/* roulang page: index */
:root {
            --brand-black: #101418;
            --brand-orange: #FF4D2E;
            --brand-orange-dark: #D93A1E;
            --brand-lime: #B8F33A;
            --silver-gray: #EDF0F2;
            --warm-white: #F7F8FA;
            --card-border: #E6E9ED;
            --text-primary: #101418;
            --text-secondary: #3D444B;
            --text-muted: #6B7480;
            --card-shadow-hover: 0 8px 24px rgba(16, 20, 24, 0.08);
            --radius-card: 8px;
            --radius-btn: 7px;
            --radius-badge: 6px;
            --section-padding: 72px 0;
            --section-padding-mobile: 40px 0;
            --container-max: 1180px;
            --transition-fast: 0.22s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Source Han Sans SC', 'Noto Sans CJK SC', 'Microsoft YaHei', 'system-ui', -apple-system, 'Segoe UI', sans-serif;
            --font-heading: 'Source Han Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
            --heading-weight: 800;
            --body-line-height: 1.78;
            --heading-line-height: 1.28;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: var(--body-line-height);
            color: var(--text-primary);
            background-color: var(--warm-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--brand-orange);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--brand-orange-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(255, 77, 46, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: var(--section-padding);
            position: relative;
        }

        .section-sm {
            padding: 48px 0;
            position: relative;
        }

        .section-dark {
            background-color: var(--brand-black);
            color: #F5F7F8;
        }

        .section-light {
            background-color: var(--warm-white);
        }

        .section-silver {
            background-color: var(--silver-gray);
        }

        .section-subtitle {
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-orange);
            margin-bottom: 12px;
            display: inline-block;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: var(--heading-weight);
            line-height: var(--heading-line-height);
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }
        .section-dark .section-desc {
            color: #B8BFC5;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            font-family: inherit;
            line-height: 1;
            padding: 0 24px;
            height: 46px;
            border-radius: var(--radius-btn);
            border: 2px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background-color: var(--brand-orange);
            color: #FFFFFF;
            border-color: var(--brand-orange);
        }
        .btn-primary:hover {
            background-color: var(--brand-orange-dark);
            border-color: var(--brand-orange-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 77, 46, 0.28);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline-color: rgba(255, 77, 46, 0.35);
        }

        .btn-outline-dark {
            background-color: transparent;
            color: var(--brand-black);
            border-color: var(--brand-black);
        }
        .btn-outline-dark:hover {
            background-color: var(--brand-black);
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .btn-outline-white {
            background-color: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.55);
        }
        .btn-outline-white:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .btn-sm {
            height: 38px;
            padding: 0 18px;
            font-size: 13px;
            border-radius: 6px;
        }
        .btn-lg {
            height: 52px;
            padding: 0 30px;
            font-size: 16px;
            border-radius: 8px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .badge-live {
            background-color: var(--brand-orange);
            color: #FFFFFF;
        }
        .badge-upcoming {
            background-color: var(--silver-gray);
            color: var(--text-secondary);
        }
        .badge-finished {
            background-color: #D5D9DD;
            color: #5A626A;
        }
        .badge-lime {
            background-color: var(--brand-lime);
            color: var(--brand-black);
        }
        .badge-outline {
            background-color: transparent;
            border: 1px solid var(--card-border);
            color: var(--text-secondary);
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: #FFFFFF;
            box-shadow: 0 1px 0 rgba(16, 20, 24, 0.06);
            transition: box-shadow var(--transition-smooth), background var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(16, 20, 24, 0.1);
            background-color: #FFFFFF;
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 14px 0;
            transition: padding var(--transition-smooth);
            flex-wrap: wrap;
        }
        .scrolled .header-brand-row {
            padding: 10px 0;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--brand-orange) 0%, #D93A1E 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.5px;
            flex-shrink: 0;
            transition: width var(--transition-smooth), height var(--transition-smooth), font-size var(--transition-smooth);
        }
        .scrolled .header-logo-icon {
            width: 34px;
            height: 34px;
            font-size: 17px;
            border-radius: 7px;
        }
        .header-logo-text {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 800;
            color: var(--brand-black);
            letter-spacing: -0.02em;
            line-height: 1.2;
            transition: font-size var(--transition-smooth);
        }
        .scrolled .header-logo-text {
            font-size: 18px;
        }
        .header-logo-text span {
            color: var(--brand-orange);
        }

        .header-search {
            flex: 1;
            max-width: 360px;
            min-width: 160px;
            position: relative;
        }
        .header-search input {
            width: 100%;
            height: 40px;
            padding: 0 16px 0 40px;
            border: 1px solid #DDE2E6;
            border-radius: 6px;
            font-size: 14px;
            color: var(--text-primary);
            background-color: #FBFCFD;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            appearance: none;
        }
        .header-search input::placeholder {
            color: #9AA3AC;
        }
        .header-search input:focus {
            border-color: var(--brand-orange);
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.12);
            outline: none;
        }
        .header-search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: #9AA3AC;
            font-size: 14px;
            pointer-events: none;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .header-user-link {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .header-user-link:hover {
            color: var(--brand-orange);
        }
        .header-divider {
            width: 1px;
            height: 22px;
            background-color: #DDE2E6;
        }

        .header-channel-row {
            border-top: 1px solid #EEF0F2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: all var(--transition-smooth);
            overflow: hidden;
        }
        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .header-nav-links::-webkit-scrollbar {
            display: none;
        }
        .header-nav-links li {
            flex-shrink: 0;
        }
        .header-nav-links a {
            display: block;
            padding: 12px 16px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .header-nav-links a:hover {
            color: var(--brand-orange);
            border-bottom-color: var(--brand-orange);
        }
        .header-nav-links a.active {
            color: var(--brand-orange);
            border-bottom-color: var(--brand-orange);
            font-weight: 600;
        }

        .scrolled .header-channel-row {
            border-top: none;
            padding: 0;
        }
        .scrolled .header-nav-links a {
            padding: 10px 14px;
            font-size: 13.5px;
        }

        .header-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--brand-black);
            padding: 6px;
            border-radius: 6px;
            line-height: 1;
        }
        .header-mobile-toggle:hover {
            background-color: var(--silver-gray);
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #FFFFFF;
            z-index: 998;
            padding: 80px 24px 32px;
            overflow-y: auto;
            box-shadow: 0 8px 30px rgba(0,0,0,0.12);
        }
        .mobile-menu-panel.open {
            display: block;
        }
        .mobile-menu-panel .mobile-nav-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
        }
        .mobile-menu-panel .mobile-nav-links a {
            display: block;
            padding: 16px 8px;
            font-size: 17px;
            font-weight: 500;
            color: var(--text-primary);
            border-bottom: 1px solid #EEF0F2;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }
        .mobile-menu-panel .mobile-nav-links a:hover {
            color: var(--brand-orange);
            padding-left: 14px;
        }
        .mobile-menu-panel .mobile-nav-links a.active {
            color: var(--brand-orange);
            font-weight: 600;
        }
        .mobile-menu-close {
            position: absolute;
            top: 18px;
            right: 20px;
            background: none;
            border: none;
            font-size: 28px;
            color: var(--text-primary);
            line-height: 1;
            padding: 6px;
            border-radius: 6px;
        }
        .mobile-menu-close:hover {
            background-color: var(--silver-gray);
        }

        /* ============ HERO (裂变邀请首屏) ============ */
        .hero-section {
            background-color: var(--brand-black);
            color: #F5F7F8;
            padding: 140px 0 80px;
            position: relative;
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/af7373c3f14340ed.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            pointer-events: none;
        }
        .hero-container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 48px;
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 20px;
            background-color: rgba(184, 243, 58, 0.12);
            border: 1px solid rgba(184, 243, 58, 0.3);
            color: var(--brand-lime);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 44px;
            font-weight: 800;
            line-height: 1.18;
            color: #FFFFFF;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .hero-title .highlight {
            color: var(--brand-orange);
        }
        .hero-desc {
            font-size: 16.5px;
            line-height: 1.85;
            color: #C8CED4;
            max-width: 520px;
            margin-bottom: 28px;
        }
        .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .hero-progress-wrap {
            max-width: 380px;
        }
        .hero-progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: #B8BFC5;
            margin-bottom: 8px;
            font-weight: 500;
        }
        .hero-progress-label .progress-strong {
            color: var(--brand-lime);
            font-weight: 700;
        }
        .hero-progress-bar {
            width: 100%;
            height: 10px;
            border-radius: 10px;
            background-color: rgba(255, 255, 255, 0.12);
            overflow: hidden;
        }
        .hero-progress-fill {
            height: 100%;
            width: 62%;
            border-radius: 10px;
            background: linear-gradient(90deg, var(--brand-orange) 0%, #FF7A3D 60%, var(--brand-lime) 100%);
            transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        .hero-reward-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: #E8ECEE;
            margin-top: 14px;
            font-weight: 500;
        }
        .hero-reward-tag i {
            color: var(--brand-lime);
        }

        .hero-panel {
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            padding: 24px 26px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .hero-panel-title {
            font-size: 14px;
            font-weight: 600;
            color: #B8BFC5;
            margin-bottom: 16px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .hero-rank-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-rank-item:last-child {
            border-bottom: none;
        }
        .hero-rank-name {
            font-size: 14px;
            color: #E8ECEE;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .hero-rank-name .rank-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }
        .dot-live {
            background-color: var(--brand-orange);
            box-shadow: 0 0 0 4px rgba(255, 77, 46, 0.2);
        }
        .dot-lime {
            background-color: var(--brand-lime);
            box-shadow: 0 0 0 4px rgba(184, 243, 58, 0.2);
        }
        .dot-gray {
            background-color: #9AA3AC;
        }
        .hero-rank-value {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
        }
        .hero-rank-change {
            font-size: 13px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }
        .change-up {
            color: var(--brand-lime);
        }
        .change-down {
            color: var(--brand-orange);
        }

        /* ============ 实时数据速览条 ============ */
        .live-strip-section {
            background-color: #FFFFFF;
            border-bottom: 1px solid #EEF0F2;
            padding: 0;
        }
        .live-strip-inner {
            display: flex;
            align-items: center;
            gap: 0;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: #D5D9DD transparent;
            padding: 0;
        }
        .live-strip-label {
            flex-shrink: 0;
            padding: 16px 20px 16px 0;
            font-size: 13px;
            font-weight: 700;
            color: var(--brand-orange);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
            letter-spacing: 0.04em;
            position: sticky;
            left: 0;
            background: #FFFFFF;
            z-index: 5;
        }
        .live-strip-items {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
            padding: 8px 0;
        }
        .live-strip-card {
            background-color: var(--warm-white);
            border: 1px solid #E6E9ED;
            border-radius: 6px;
            padding: 8px 14px;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            font-size: 13px;
            transition: border-color var(--transition-fast);
        }
        .live-strip-card:hover {
            border-color: var(--brand-orange);
        }
        .live-strip-card .match-name {
            font-weight: 600;
            color: var(--text-primary);
        }
        .live-strip-card .match-time {
            color: var(--text-muted);
            font-size: 12px;
        }
        .live-strip-card .match-index {
            font-weight: 700;
            color: var(--brand-orange);
        }

        /* ============ 问题陈述 ============ */
        .problem-section {
            background-color: var(--warm-white);
        }
        .problem-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .problem-text .section-title {
            margin-bottom: 20px;
        }
        .problem-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
        }
        .problem-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            font-size: 15px;
            color: var(--text-secondary);
            border-bottom: 1px dashed #E6E9ED;
        }
        .problem-list li:last-child {
            border-bottom: none;
        }
        .problem-list .problem-icon {
            width: 24px;
            height: 24px;
            border-radius: 6px;
            background-color: rgba(255, 77, 46, 0.1);
            color: var(--brand-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
        }
        .problem-visual {
            background-color: #FFFFFF;
            border: 1px solid #E6E9ED;
            border-radius: 12px;
            padding: 28px 26px;
            box-shadow: 0 4px 16px rgba(16,20,24,0.04);
        }
        .problem-visual-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .problem-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .problem-bar .bar-label {
            font-size: 13px;
            color: var(--text-secondary);
            width: 90px;
            flex-shrink: 0;
        }
        .problem-bar .bar-track {
            flex: 1;
            height: 8px;
            border-radius: 8px;
            background-color: #EDF0F2;
            overflow: hidden;
        }
        .problem-bar .bar-fill {
            height: 100%;
            border-radius: 8px;
            background: linear-gradient(90deg, #E6E0DD, #FF4D2E);
            transition: width 1s ease;
        }

        /* ============ 操作演示 ============ */
        .demo-section {
            background-color: #FFFFFF;
        }
        .demo-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 16px;
        }
        .demo-step-card {
            background-color: var(--warm-white);
            border: 1px solid #E6E9ED;
            border-radius: 10px;
            padding: 26px 22px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition-fast);
            position: relative;
        }
        .demo-step-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
            border-color: #DDE2E6;
        }
        .demo-step-number {
            font-size: 14px;
            font-weight: 700;
            color: var(--brand-orange);
            letter-spacing: 0.06em;
        }
        .demo-step-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .demo-step-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ============ 结果预览 ============ */
        .preview-section {
            background-color: var(--brand-black);
            color: #F5F7F8;
        }
        .preview-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 48px;
            align-items: center;
        }
        .preview-text .section-title {
            color: #FFFFFF;
        }
        .preview-text .section-desc {
            color: #B8BFC5;
        }
        .preview-metrics {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .preview-metric {
            text-align: left;
        }
        .preview-metric-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--brand-lime);
            line-height: 1.2;
        }
        .preview-metric-label {
            font-size: 13px;
            color: #9AA3AC;
            margin-top: 4px;
        }
        .preview-panel {
            background-color: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 24px 26px;
        }
        .preview-panel-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }
        .preview-panel-row:last-child {
            border-bottom: none;
        }
        .preview-panel-name {
            font-size: 14px;
            color: #C8CED4;
            font-weight: 500;
        }
        .preview-panel-val {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .preview-panel-val .trend {
            font-size: 13px;
            font-weight: 600;
        }

        /* ============ 常见卡住点 / FAQ ============ */
        .faq-section {
            background-color: var(--warm-white);
        }
        .faq-accordion .accordion {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .faq-accordion .accordion-item {
            margin-bottom: 10px;
            border: 1px solid #E6E9ED;
            border-radius: 8px;
            overflow: hidden;
            background-color: #FFFFFF;
        }
        .faq-accordion .accordion-title {
            display: block;
            padding: 16px 20px;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text-primary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            cursor: pointer;
            position: relative;
            transition: background var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .faq-accordion .accordion-title:hover {
            background-color: #FBFCFD;
        }
        .faq-accordion .accordion-title::after {
            content: '+';
            position: absolute;
            right: 18px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 20px;
            font-weight: 400;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
        }
        .faq-accordion .accordion-item.is-active .accordion-title::after {
            content: '−';
        }
        .faq-accordion .accordion-content {
            padding: 0 20px 16px;
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.75;
            display: none;
        }
        .faq-accordion .accordion-item.is-active .accordion-content {
            display: block;
        }
        .faq-accordion .accordion-content p {
            margin-bottom: 8px;
        }

        /* ============ 成功路径 ============ */
        .success-section {
            background-color: #FFFFFF;
        }
        .success-timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 36px;
            margin-top: 20px;
        }
        .success-timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background-color: #E6E9ED;
        }
        .success-timeline-item {
            position: relative;
            padding: 16px 0 16px 20px;
            border-bottom: 1px solid #F0F2F4;
        }
        .success-timeline-item:last-child {
            border-bottom: none;
        }
        .success-timeline-dot {
            position: absolute;
            left: -32px;
            top: 22px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: var(--brand-orange);
            border: 3px solid #FFFFFF;
            box-shadow: 0 0 0 2px var(--brand-orange);
        }
        .success-timeline-item .timeline-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .success-timeline-item .timeline-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ============ 品牌介绍 ============ */
        .brand-intro-section {
            background-color: var(--silver-gray);
        }
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 0.95fr 1.05fr;
            gap: 48px;
            align-items: center;
        }
        .brand-intro-image {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 6px 20px rgba(16, 20, 24, 0.08);
        }
        .brand-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .brand-intro-text .section-title {
            margin-bottom: 18px;
        }
        .brand-intro-body {
            font-size: 15.5px;
            line-height: 1.82;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        .brand-intro-stat {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 18px;
        }
        .brand-stat-item {
            text-align: left;
        }
        .brand-stat-value {
            font-size: 26px;
            font-weight: 800;
            color: var(--brand-orange);
            line-height: 1.2;
        }
        .brand-stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ============ 新闻中心 ============ */
        .news-section {
            background-color: #FFFFFF;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            margin-top: 8px;
        }
        .news-item {
            display: grid;
            grid-template-columns: 90px 1fr auto;
            gap: 20px;
            align-items: start;
            padding: 20px 0;
            border-bottom: 1px solid #EEF0F2;
            transition: background var(--transition-fast);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background-color: #FBFCFD;
        }
        .news-date {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            padding-top: 3px;
            letter-spacing: 0.02em;
        }
        .news-body .news-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-body .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 6px;
        }
        .news-more {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--brand-orange);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition-fast), color var(--transition-fast);
        }
        .news-more:hover {
            gap: 9px;
            color: var(--brand-orange-dark);
        }

        /* ============ 卖点三连（编号差异卡） ============ */
        .features-section {
            background-color: var(--warm-white);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            margin-top: 12px;
        }
        .feature-num-card {
            background-color: #FFFFFF;
            border: 1px solid #E6E9ED;
            border-radius: 10px;
            padding: 26px 24px;
            position: relative;
            transition: all var(--transition-fast);
        }
        .feature-num-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
            border-color: #DDE2E6;
        }
        .feature-num {
            font-size: 40px;
            font-weight: 800;
            color: #E6E9ED;
            line-height: 1;
            margin-bottom: 12px;
            letter-spacing: -0.03em;
        }
        .feature-num-card:hover .feature-num {
            color: rgba(255, 77, 46, 0.15);
        }
        .feature-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: rgba(255, 77, 46, 0.08);
            color: var(--brand-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 14px;
        }
        .feature-num-card .feature-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .feature-num-card .feature-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ============ 对比差异 ============ */
        .compare-section {
            background-color: var(--brand-black);
            color: #F5F7F8;
        }
        .compare-section .section-title {
            color: #FFFFFF;
        }
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 12px;
        }
        .compare-card {
            border-radius: 12px;
            padding: 28px 26px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .compare-card-old {
            background-color: rgba(255, 255, 255, 0.04);
        }
        .compare-card-new {
            background-color: rgba(255, 77, 46, 0.1);
            border-color: rgba(255, 77, 46, 0.3);
            box-shadow: 0 0 30px rgba(255, 77, 46, 0.08);
        }
        .compare-card-header {
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-card-old .compare-card-header {
            color: #9AA3AC;
        }
        .compare-card-new .compare-card-header {
            color: var(--brand-lime);
        }
        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            font-size: 14px;
            color: #C8CED4;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .compare-list li:last-child {
            border-bottom: none;
        }
        .compare-list li i {
            font-size: 14px;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .compare-card-old .compare-list li i {
            color: #6B7480;
        }
        .compare-card-new .compare-list li {
            color: #E8ECEE;
        }
        .compare-card-new .compare-list li i {
            color: var(--brand-lime);
        }

        /* ============ 社会认同 ============ */
        .social-proof-section {
            background-color: #FFFFFF;
        }
        .proof-metrics-bar {
            display: flex;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            padding: 32px 0;
            border-top: 1px solid #EEF0F2;
            border-bottom: 1px solid #EEF0F2;
            margin-top: 12px;
        }
        .proof-metric {
            text-align: center;
            flex: 1;
            min-width: 140px;
        }
        .proof-metric-value {
            font-size: 38px;
            font-weight: 800;
            color: var(--brand-orange);
            line-height: 1.15;
            letter-spacing: -0.02em;
        }
        .proof-metric-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ============ 特色工具 ============ */
        .tools-section {
            background-color: var(--warm-white);
        }
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 12px;
        }
        .tool-card {
            background-color: #FFFFFF;
            border: 1px solid #E6E9ED;
            border-radius: 10px;
            padding: 22px 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-fast);
        }
        .tool-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }
        .tool-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background-color: rgba(184, 243, 58, 0.12);
            color: #5A7A1A;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            flex-shrink: 0;
        }
        .tool-info .tool-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 5px;
        }
        .tool-info .tool-desc {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ============ 优惠阶梯 ============ */
        .pricing-section {
            background-color: #FFFFFF;
        }
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 16px;
            align-items: stretch;
        }
        .pricing-card {
            background-color: var(--warm-white);
            border: 1px solid #E6E9ED;
            border-radius: 12px;
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-fast);
            position: relative;
        }
        .pricing-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
        }
        .pricing-card.featured {
            border-color: var(--brand-orange);
            box-shadow: 0 0 24px rgba(255, 77, 46, 0.1);
        }
        .pricing-card .pricing-tag {
            position: absolute;
            top: -10px;
            right: 20px;
            background-color: var(--brand-orange);
            color: #FFFFFF;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.04em;
        }
        .pricing-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .pricing-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .pricing-perk-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            flex: 1;
        }
        .pricing-perk-list li {
            font-size: 13.5px;
            color: var(--text-secondary);
            padding: 6px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }
        .pricing-perk-list li i {
            color: var(--brand-orange);
            font-size: 13px;
            margin-top: 2px;
            flex-shrink: 0;
        }

        /* ============ 话题标签云 ============ */
        .tags-section {
            background-color: var(--silver-gray);
        }
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }
        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 24px;
            background-color: #FFFFFF;
            border: 1px solid #E6E9ED;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .tag-item:hover {
            border-color: var(--brand-orange);
            color: var(--brand-orange);
            background-color: #FFF8F6;
            transform: translateY(-1px);
        }
        .tag-item .tag-count {
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* ============ 安全体系 ============ */
        .security-section {
            background-color: #FFFFFF;
        }
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: 12px;
        }
        .security-card {
            text-align: center;
            padding: 24px 16px;
            border-radius: 10px;
            background-color: var(--warm-white);
            border: 1px solid #E6E9ED;
            transition: all var(--transition-fast);
        }
        .security-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }
        .security-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: rgba(184, 243, 58, 0.1);
            color: #5A7A1A;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 12px;
        }
        .security-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 5px;
        }
        .security-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ============ 订阅 CTA ============ */
        .subscribe-section {
            background-color: var(--brand-black);
            color: #F5F7F8;
        }
        .subscribe-inner {
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }
        .subscribe-text .section-title {
            color: #FFFFFF;
        }
        .subscribe-text .section-desc {
            color: #B8BFC5;
            margin-bottom: 0;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 180px;
            height: 46px;
            padding: 0 16px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 6px;
            background-color: rgba(255, 255, 255, 0.06);
            color: #FFFFFF;
            font-size: 14px;
            transition: border-color var(--transition-fast);
        }
        .subscribe-form input::placeholder {
            color: #8A939C;
        }
        .subscribe-form input:focus {
            border-color: var(--brand-orange);
            outline: none;
        }

        /* ============ 底部固定转化条 ============ */
        .bottom-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 950;
            background-color: #FFFFFF;
            border-top: 1px solid #E6E9ED;
            box-shadow: 0 -4px 16px rgba(16, 20, 24, 0.08);
            padding: 10px 20px;
            display: none;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: transform 0.3s ease;
            min-height: 60px;
        }
        .bottom-sticky-bar .sticky-text {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .bottom-sticky-bar .sticky-close {
            background: none;
            border: none;
            font-size: 18px;
            color: var(--text-muted);
            padding: 4px 8px;
            border-radius: 4px;
            line-height: 1;
        }
        .bottom-sticky-bar .sticky-close:hover {
            background-color: var(--silver-gray);
            color: var(--text-primary);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background-color: var(--brand-black);
            color: #9AA3AC;
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .footer-logo {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .footer-brand .footer-logo span {
            color: var(--brand-orange);
        }
        .footer-brand .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #8A939C;
            max-width: 300px;
        }
        .footer-column-title {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: #9AA3AC;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #6B7480;
        }
        .footer-bottom a {
            color: #9AA3AC;
        }
        .footer-bottom a:hover {
            color: #FFFFFF;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .section {
                padding: 56px 0;
            }
            .section-sm {
                padding: 36px 0;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-title {
                font-size: 36px;
            }
            .hero-section {
                padding: 120px 0 60px;
                min-height: auto;
            }
            .brand-intro-grid,
            .preview-grid,
            .problem-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .demo-steps {
                grid-template-columns: 1fr 1fr;
            }
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: 1fr 1fr;
            }
            .subscribe-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .header-search {
                max-width: 220px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-sm {
                padding: 28px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .hero-title {
                font-size: 29px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-section {
                padding: 100px 0 44px;
            }
            .header-search {
                display: none;
            }
            .header-user-link {
                font-size: 13px;
            }
            .header-divider {
                display: none;
            }
            .header-channel-row {
                display: flex;
            }
            .header-nav-links a {
                padding: 10px 12px;
                font-size: 13px;
            }
            .demo-steps {
                grid-template-columns: 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
            .news-item {
                grid-template-columns: 70px 1fr;
                gap: 14px;
            }
            .news-more {
                grid-column: 2;
            }
            .proof-metrics-bar {
                gap: 16px;
            }
            .proof-metric {
                min-width: 100px;
            }
            .proof-metric-value {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .bottom-sticky-bar {
                display: flex;
            }
            .mobile-menu-panel .mobile-nav-links {
                padding-top: 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .container-wide {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 25px;
            }
            .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-cta-row .btn {
                width: 100%;
            }
            .header-brand-row {
                gap: 12px;
                padding: 10px 0;
            }
            .header-logo-text {
                font-size: 17px;
            }
            .header-logo-icon {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }
            .header-actions .header-user-link {
                display: none;
            }
            .header-nav-links a {
                padding: 9px 10px;
                font-size: 12.5px;
            }
            .brand-stat-item {
                min-width: 80px;
            }
            .brand-stat-value {
                font-size: 22px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                width: 100%;
            }
            .bottom-sticky-bar {
                padding: 8px 14px;
                gap: 10px;
            }
            .bottom-sticky-bar .sticky-text {
                font-size: 12px;
            }
        }

/* roulang page: category3 */
:root {
            --brand-black: #101418;
            --brand-orange: #FF4D2E;
            --brand-orange-dark: #D93A1E;
            --brand-lime: #B8F33A;
            --silver-gray: #EDF0F2;
            --warm-white: #F7F8FA;
            --card-border: #E6E9ED;
            --text-primary: #101418;
            --text-secondary: #3D444B;
            --text-muted: #6B7480;
            --card-shadow-hover: 0 8px 24px rgba(16, 20, 24, 0.08);
            --radius-card: 8px;
            --radius-btn: 7px;
            --radius-badge: 6px;
            --section-padding: 72px 0;
            --section-padding-mobile: 40px 0;
            --container-max: 1180px;
            --transition-fast: 0.22s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Source Han Sans SC', 'Noto Sans CJK SC', 'Microsoft YaHei', 'system-ui', -apple-system, 'Segoe UI', sans-serif;
            --font-heading: 'Source Han Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
            --heading-weight: 800;
            --body-line-height: 1.78;
            --heading-line-height: 1.28;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: var(--body-line-height);
            color: var(--text-primary);
            background-color: var(--warm-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 0;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--brand-orange);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--brand-orange-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(255, 77, 46, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: var(--section-padding);
            position: relative;
        }

        .section-sm {
            padding: 48px 0;
            position: relative;
        }

        .section-dark {
            background-color: var(--brand-black);
            color: #F5F7F8;
        }

        .section-light {
            background-color: var(--warm-white);
        }

        .section-silver {
            background-color: var(--silver-gray);
        }

        .section-subtitle {
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-orange);
            margin-bottom: 12px;
            display: inline-block;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: var(--heading-weight);
            line-height: var(--heading-line-height);
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-dark .section-desc {
            color: #B8BFC5;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            font-family: inherit;
            line-height: 1;
            padding: 0 24px;
            height: 46px;
            border-radius: var(--radius-btn);
            border: 2px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background-color: var(--brand-orange);
            color: #FFFFFF;
            border-color: var(--brand-orange);
        }

        .btn-primary:hover {
            background-color: var(--brand-orange-dark);
            border-color: var(--brand-orange-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 77, 46, 0.28);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline-color: rgba(255, 77, 46, 0.35);
        }

        .btn-outline-dark {
            background-color: transparent;
            color: var(--brand-black);
            border-color: var(--brand-black);
        }

        .btn-outline-dark:hover {
            background-color: var(--brand-black);
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .btn-outline-white {
            background-color: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.55);
        }

        .btn-outline-white:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: #FFFFFF;
            box-shadow: 0 1px 0 rgba(16, 20, 24, 0.06);
            transition: box-shadow var(--transition-fast);
        }

        .site-header.is-scrolled {
            box-shadow: 0 4px 18px rgba(16, 20, 24, 0.1);
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 14px 0;
            flex-wrap: wrap;
        }

        .header-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 22px;
            color: var(--brand-black);
            line-height: 1;
            letter-spacing: -0.01em;
        }

        .header-logo .logo-accent {
            color: var(--brand-orange);
            display: inline-block;
            background-color: var(--brand-black);
            border-radius: 4px;
            padding: 4px 8px;
            font-size: 15px;
            line-height: 1;
            color: #FFFFFF;
            letter-spacing: 0.06em;
        }

        .header-logo:hover {
            color: var(--brand-black);
        }

        .header-search {
            flex: 1 1 280px;
            max-width: 440px;
            display: flex;
            align-items: center;
            position: relative;
        }

        .header-search input {
            width: 100%;
            height: 40px;
            border: 1px solid var(--card-border);
            border-radius: 6px;
            padding: 0 40px 0 16px;
            font-size: 14px;
            color: var(--text-primary);
            background-color: var(--warm-white);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .header-search input:focus {
            border-color: var(--brand-orange);
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.12);
            outline: none;
        }

        .header-search button {
            position: absolute;
            right: 4px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: var(--text-muted);
            font-size: 15px;
            padding: 8px;
            transition: color var(--transition-fast);
        }

        .header-search button:hover {
            color: var(--brand-orange);
        }

        .header-user-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header-user-actions .btn {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        .btn-text-link {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 4px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast);
        }

        .btn-text-link:hover {
            color: var(--brand-orange);
        }

        .header-channel-row {
            border-top: 1px solid #EEF0F2;
            background-color: #FFFFFF;
            transition: all var(--transition-smooth);
        }

        .header-channel-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .header-nav-links::-webkit-scrollbar {
            display: none;
        }

        .header-nav-links li {
            flex-shrink: 0;
        }

        .header-nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 14px 0;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.01em;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }

        .header-nav-links a:hover {
            color: var(--brand-orange);
        }

        .header-nav-links a.active {
            color: var(--brand-orange);
            border-bottom-color: var(--brand-orange);
            font-weight: 600;
        }

        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--brand-black);
            padding: 8px;
            line-height: 1;
        }

        .mobile-menu {
            display: none;
            background-color: #FFFFFF;
            border-top: 1px solid #EEF0F2;
            padding: 12px 20px 20px;
        }

        .mobile-menu ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            border-bottom: 1px solid #F0F2F4;
        }

        .mobile-menu a.active {
            color: var(--brand-orange);
            font-weight: 600;
        }

        .mobile-menu a:hover {
            color: var(--brand-orange);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background-color: #FFFFFF;
            border-bottom: 1px solid #EEF0F2;
            padding: 10px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: #C4C9CF;
            font-size: 12px;
        }

        .breadcrumb a {
            color: var(--text-muted);
        }

        .breadcrumb a:hover {
            color: var(--brand-orange);
        }

        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* Page H1 section */
        .page-heading {
            background-color: #FFFFFF;
            padding: 32px 0 20px;
            border-bottom: 1px solid #EEF0F2;
        }

        .page-heading h1 {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: var(--heading-weight);
            line-height: 1.25;
            color: var(--text-primary);
            margin: 0 0 8px;
            letter-spacing: -0.01em;
        }

        .page-heading .page-sub {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.8;
        }

        /* Filter chips */
        .filter-chips {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: 20px;
            background-color: var(--warm-white);
            border: 1px solid var(--card-border);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--brand-orange);
            color: var(--brand-orange);
        }

        .filter-chip.is-active {
            background-color: var(--brand-black);
            border-color: var(--brand-black);
            color: #FFFFFF;
        }

        /* Ranking cards */
        .ranking-card {
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            padding: 20px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: all var(--transition-fast);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .ranking-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            border-color: #D8DDE2;
        }

        .rank-number {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--brand-black);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            line-height: 1;
        }

        .rank-number.rank-top1 {
            background-color: var(--brand-orange);
        }

        .rank-number.rank-top2 {
            background-color: #C0392B;
        }

        .rank-number.rank-top3 {
            background-color: #A8641F;
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-info h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
            line-height: 1.35;
        }

        .rank-info p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0 0 10px;
        }

        .rank-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-muted);
        }

        .rank-meta .badge-value {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 4px;
        }

        .badge-up {
            background-color: rgba(184, 243, 58, 0.2);
            color: #3B5A08;
        }

        .badge-down {
            background-color: rgba(255, 77, 46, 0.15);
            color: var(--brand-orange-dark);
        }

        .badge-stable {
            background-color: #F0F2F4;
            color: var(--text-muted);
        }

        .rank-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 8px;
            background-color: var(--warm-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--brand-orange);
            margin-top: 2px;
        }

        /* List card grid */
        .rankings-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        /* Featured card */
        .featured-cover-card {
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: all var(--transition-fast);
        }

        .featured-cover-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }

        .featured-cover-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .featured-cover-body {
            padding: 20px;
            flex: 1;
        }

        .featured-cover-body h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .featured-cover-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* Rules / info blocks */
        .rules-block {
            background-color: #FFFFFF;
            border-left: 4px solid var(--brand-orange);
            border-radius: 4px;
            padding: 20px 24px;
            margin-bottom: 16px;
        }

        .rules-block h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text-primary);
        }

        .rules-block p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* Player mini card */
        .player-mini-card {
            display: flex;
            align-items: center;
            gap: 14px;
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            padding: 14px;
            transition: all var(--transition-fast);
            height: 100%;
        }

        .player-mini-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }

        .player-avatar {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background-color: var(--brand-black);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
        }

        .player-mini-info {
            flex: 1;
            min-width: 0;
        }

        .player-mini-info h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 3px;
            color: var(--text-primary);
        }

        .player-mini-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        /* CTA subscription */
        .subscribe-box {
            background: var(--brand-black);
            border-radius: 12px;
            padding: 36px 32px;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .subscribe-box h2 {
            font-size: 24px;
            font-weight: 800;
            margin: 0 0 6px;
            color: #FFFFFF;
        }

        .subscribe-box p {
            font-size: 15px;
            color: #B8BFC5;
            margin: 0;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }

        .subscribe-form input {
            height: 46px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 6px;
            background-color: rgba(255, 255, 255, 0.06);
            padding: 0 16px;
            font-size: 14px;
            color: #FFFFFF;
            min-width: 240px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }

        .subscribe-form input::placeholder {
            color: #8A9198;
        }

        .subscribe-form input:focus {
            border-color: var(--brand-orange);
            background-color: rgba(255, 255, 255, 0.1);
            outline: none;
        }

        /* History entry */
        .history-entry-card {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 20px;
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            margin-bottom: 10px;
            transition: all var(--transition-fast);
        }

        .history-entry-card:hover {
            box-shadow: var(--card-shadow-hover);
            border-color: #D8DDE2;
        }

        .history-entry-card .entry-date {
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            background-color: var(--warm-white);
            padding: 4px 10px;
            border-radius: 4px;
        }

        .history-entry-card .entry-title {
            flex: 1;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
        }

        /* Footer */
        .site-footer {
            background-color: var(--brand-black);
            color: #B8BFC5;
            padding: 56px 0 20px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-logo {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .footer-logo span {
            color: var(--brand-orange);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.75;
            color: #8A9198;
            max-width: 320px;
            margin: 0;
        }

        .footer-column-title {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: #B8BFC5;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #6B7480;
        }

        .footer-bottom a {
            color: #6B7480;
        }

        .footer-bottom a:hover {
            color: #FFFFFF;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header-nav-links {
                gap: 18px;
            }
            .header-nav-links a {
                font-size: 14px;
            }
            .rankings-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .header-brand-row {
                gap: 12px;
            }
            .header-search {
                order: 3;
                flex: 1 1 100%;
                max-width: 100%;
            }
            .header-user-actions {
                gap: 6px;
            }
            .header-user-actions .btn-text-link {
                padding: 6px;
                font-size: 13px;
            }
            .hamburger-toggle {
                display: inline-block;
            }
            .header-channel-row {
                display: none;
            }
            .mobile-menu.is-open {
                display: block;
            }
            .section {
                padding: var(--section-padding-mobile);
            }
            .section-sm {
                padding: 32px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .page-heading h1 {
                font-size: 28px;
            }
            .rankings-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .subscribe-box {
                padding: 24px 20px;
            }
            .subscribe-form {
                width: 100%;
            }
            .subscribe-form input {
                flex: 1;
                min-width: 0;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .ranking-card {
                padding: 16px;
            }
            .filter-chips {
                gap: 6px;
            }
            .filter-chip {
                padding: 5px 12px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .header-logo {
                font-size: 18px;
            }
            .header-logo .logo-accent {
                font-size: 13px;
                padding: 3px 6px;
            }
            .page-heading {
                padding: 24px 0 16px;
            }
            .page-heading h1 {
                font-size: 24px;
            }
            .page-heading .page-sub {
                font-size: 14px;
            }
            .btn {
                height: 40px;
                padding: 0 16px;
                font-size: 13px;
            }
            .rank-number {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .rank-icon {
                width: 40px;
                height: 40px;
                font-size: 18px;
            }
            .featured-cover-card img {
                height: 160px;
            }
        }

/* roulang page: category1 */
:root {
        --brand-black: #101418;
        --brand-orange: #FF4D2E;
        --brand-orange-dark: #D93A1E;
        --brand-lime: #B8F33A;
        --silver-gray: #EDF0F2;
        --warm-white: #F7F8FA;
        --card-border: #E6E9ED;
        --text-primary: #101418;
        --text-secondary: #3D444B;
        --text-muted: #6B7480;
        --card-shadow-hover: 0 8px 24px rgba(16, 20, 24, 0.08);
        --radius-card: 8px;
        --radius-btn: 7px;
        --radius-badge: 6px;
        --section-padding: 72px 0;
        --section-padding-mobile: 40px 0;
        --container-max: 1180px;
        --transition-fast: 0.22s ease;
        --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Source Han Sans SC', 'Noto Sans CJK SC', 'Microsoft YaHei', 'system-ui', -apple-system, 'Segoe UI', sans-serif;
        --font-heading: 'Source Han Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
        --heading-weight: 800;
        --body-line-height: 1.78;
        --heading-line-height: 1.28;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: var(--body-line-height);
        color: var(--text-primary);
        background-color: var(--warm-white);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
        padding-bottom: 0;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }
    a {
        color: var(--brand-orange);
        text-decoration: none;
        transition: color var(--transition-fast), opacity var(--transition-fast);
    }
    a:hover {
        color: var(--brand-orange-dark);
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
        outline: 3px solid rgba(255, 77, 46, 0.35);
        outline-offset: 2px;
        border-radius: 4px;
    }
    button {
        cursor: pointer;
        font-family: inherit;
    }
    input,
    select,
    textarea {
        font-family: inherit;
        font-size: inherit;
    }
    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 20px;
    }
    .container-wide {
        max-width: 1320px;
        margin: 0 auto;
        padding: 0 20px;
    }
    .section {
        padding: var(--section-padding);
        position: relative;
    }
    .section-sm {
        padding: 48px 0;
        position: relative;
    }
    .section-dark {
        background-color: var(--brand-black);
        color: #F5F7F8;
    }
    .section-light {
        background-color: var(--warm-white);
    }
    .section-silver {
        background-color: var(--silver-gray);
    }
    .section-subtitle {
        font-size: 14px;
        font-weight: 600;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--brand-orange);
        margin-bottom: 12px;
        display: inline-block;
    }
    .section-title {
        font-family: var(--font-heading);
        font-size: 30px;
        font-weight: var(--heading-weight);
        line-height: var(--heading-line-height);
        color: var(--text-primary);
        margin-bottom: 16px;
        letter-spacing: -0.01em;
    }
    .section-desc {
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-secondary);
        max-width: 720px;
        margin-bottom: 32px;
    }
    .section-dark .section-title {
        color: #FFFFFF;
    }
    .section-dark .section-desc {
        color: #B8BFC5;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 15px;
        font-weight: 600;
        font-family: inherit;
        line-height: 1;
        padding: 0 24px;
        height: 46px;
        border-radius: var(--radius-btn);
        border: 2px solid transparent;
        transition: all var(--transition-fast);
        white-space: nowrap;
        letter-spacing: 0.02em;
    }
    .btn-primary {
        background-color: var(--brand-orange);
        color: #FFFFFF;
        border-color: var(--brand-orange);
    }
    .btn-primary:hover {
        background-color: var(--brand-orange-dark);
        border-color: var(--brand-orange-dark);
        color: #FFFFFF;
        transform: translateY(-1px);
        box-shadow: 0 6px 18px rgba(255, 77, 46, 0.28);
    }
    .btn-primary:active {
        transform: translateY(0);
        box-shadow: none;
    }
    .btn-primary:focus-visible {
        outline-color: rgba(255, 77, 46, 0.35);
    }
    .btn-outline-dark {
        background-color: transparent;
        color: var(--brand-black);
        border-color: var(--brand-black);
    }
    .btn-outline-dark:hover {
        background-color: var(--brand-black);
        color: #FFFFFF;
        transform: translateY(-1px);
    }
    .btn-outline-white {
        background-color: transparent;
        color: #FFFFFF;
        border-color: rgba(255, 255, 255, 0.55);
    }
    .btn-outline-white:hover {
        background-color: rgba(255, 255, 255, 0.12);
        border-color: #FFFFFF;
        color: #FFFFFF;
        transform: translateY(-1px);
    }
    .btn-sm {
        height: 38px;
        padding: 0 18px;
        font-size: 13px;
    }

    /* Header / Navigation */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 80;
        background: #FFFFFF;
        border-bottom: 1px solid #E6E9ED;
        transition: box-shadow var(--transition-fast), transform var(--transition-fast);
    }
    .site-header.scrolled {
        box-shadow: 0 4px 20px rgba(16, 20, 24, 0.08);
    }
    .header-brand-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 0;
        gap: 20px;
        flex-wrap: wrap;
    }
    .header-logo {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-family: var(--font-heading);
        font-weight: var(--heading-weight);
        font-size: 24px;
        color: var(--brand-black);
        letter-spacing: -0.02em;
        white-space: nowrap;
    }
    .header-logo span {
        color: var(--brand-orange);
    }
    .header-logo:hover {
        color: var(--brand-black);
    }
    .header-search-wrap {
        flex: 1;
        max-width: 360px;
        min-width: 200px;
        position: relative;
    }
    .header-search-wrap input {
        width: 100%;
        height: 40px;
        border: 1px solid var(--card-border);
        border-radius: 22px;
        padding: 0 42px 0 18px;
        font-size: 14px;
        color: var(--text-primary);
        background: var(--warm-white);
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    .header-search-wrap input:focus {
        outline: none;
        border-color: var(--brand-orange);
        box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.12);
    }
    .header-search-wrap button {
        position: absolute;
        right: 6px;
        top: 50%;
        transform: translateY(-50%);
        width: 32px;
        height: 32px;
        border: none;
        background: none;
        color: var(--text-muted);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: color var(--transition-fast);
    }
    .header-search-wrap button:hover {
        color: var(--brand-orange);
    }
    .header-auth {
        display: flex;
        align-items: center;
        gap: 10px;
        white-space: nowrap;
    }
    .header-auth a {
        font-size: 14px;
        font-weight: 500;
        color: var(--text-secondary);
        transition: color var(--transition-fast);
    }
    .header-auth a:hover {
        color: var(--brand-orange);
    }
    .header-auth .divider {
        width: 1px;
        height: 16px;
        background: var(--card-border);
    }
    .header-channel-row {
        border-top: 1px solid #EEF1F3;
        background: #FFFFFF;
    }
    .header-nav-links {
        display: flex;
        align-items: center;
        gap: 4px;
        list-style: none;
        margin: 0;
        padding: 0;
        flex-wrap: wrap;
    }
    .header-nav-links li a {
        display: inline-block;
        padding: 14px 16px;
        font-size: 15px;
        font-weight: 600;
        color: var(--text-secondary);
        border-bottom: 2px solid transparent;
        transition: all var(--transition-fast);
        letter-spacing: 0.01em;
    }
    .header-nav-links li a:hover {
        color: var(--brand-orange);
        background: var(--warm-white);
    }
    .header-nav-links li a.active {
        color: var(--brand-orange);
        border-bottom-color: var(--brand-orange);
    }
    .header-hamburger {
        display: none;
        background: none;
        border: none;
        font-size: 24px;
        color: var(--brand-black);
        padding: 8px;
        transition: color var(--transition-fast);
    }
    .header-hamburger:hover {
        color: var(--brand-orange);
    }
    .mobile-menu {
        display: none;
        background: #FFFFFF;
        border-top: 1px solid var(--card-border);
        padding: 12px 0;
    }
    .mobile-menu.open {
        display: block;
    }
    .mobile-menu ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .mobile-menu ul li a {
        display: block;
        padding: 12px 20px;
        font-size: 15px;
        font-weight: 600;
        color: var(--text-secondary);
        border-left: 3px solid transparent;
        transition: all var(--transition-fast);
    }
    .mobile-menu ul li a:hover,
    .mobile-menu ul li a.active {
        color: var(--brand-orange);
        background: var(--warm-white);
        border-left-color: var(--brand-orange);
    }

    /* Breadcrumb */
    .breadcrumb-strip {
        background: #1A1F24;
        padding: 16px 0;
    }
    .breadcrumb-nav {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: #B8BFC5;
        flex-wrap: wrap;
    }
    .breadcrumb-nav a {
        color: #B8BFC5;
        transition: color var(--transition-fast);
    }
    .breadcrumb-nav a:hover {
        color: var(--brand-lime);
    }
    .breadcrumb-nav .sep {
        color: #5C636B;
        font-size: 11px;
    }
    .breadcrumb-nav .current {
        color: #FFFFFF;
        font-weight: 600;
    }

    /* Category Hero */
    .category-hero {
        background-color: var(--brand-black);
        padding: 56px 0 48px;
        position: relative;
        overflow: hidden;
    }
    .category-hero::after {
        content: '';
        position: absolute;
        top: -80px;
        right: -80px;
        width: 320px;
        height: 320px;
        background: radial-gradient(circle, rgba(255, 77, 46, 0.18) 0%, transparent 70%);
        pointer-events: none;
    }
    .category-hero h1 {
        font-family: var(--font-heading);
        font-size: 38px;
        font-weight: var(--heading-weight);
        color: #FFFFFF;
        line-height: 1.25;
        margin-bottom: 14px;
        letter-spacing: -0.01em;
        position: relative;
        z-index: 1;
    }
    .category-hero .hero-desc {
        font-size: 16px;
        line-height: 1.7;
        color: #B8BFC5;
        max-width: 640px;
        margin-bottom: 0;
        position: relative;
        z-index: 1;
    }
    .category-hero .hero-meta-strip {
        display: flex;
        gap: 28px;
        margin-top: 24px;
        position: relative;
        z-index: 1;
        flex-wrap: wrap;
    }
    .hero-meta-strip .meta-item {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    .hero-meta-strip .meta-value {
        font-size: 22px;
        font-weight: 800;
        color: var(--brand-lime);
        font-family: var(--font-heading);
    }
    .hero-meta-strip .meta-label {
        font-size: 13px;
        color: #8E969E;
    }

    /* Filter bar */
    .filter-bar {
        background: #FFFFFF;
        border-bottom: 1px solid var(--card-border);
        padding: 14px 0;
        position: relative;
        z-index: 10;
    }
    .filter-bar .filter-group {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
    }
    .filter-bar .filter-label {
        font-size: 13px;
        font-weight: 600;
        color: var(--text-muted);
        letter-spacing: 0.05em;
        text-transform: uppercase;
    }
    .filter-chip {
        display: inline-flex;
        align-items: center;
        padding: 7px 16px;
        font-size: 13px;
        font-weight: 500;
        color: var(--text-secondary);
        background: var(--warm-white);
        border: 1px solid var(--card-border);
        border-radius: 20px;
        transition: all var(--transition-fast);
        white-space: nowrap;
        cursor: pointer;
    }
    .filter-chip:hover {
        border-color: var(--brand-orange);
        color: var(--brand-orange);
        background: #FFF7F5;
    }
    .filter-chip.active {
        background: var(--brand-orange);
        color: #FFFFFF;
        border-color: var(--brand-orange);
    }

    /* Match cards */
    .match-card {
        background: #FFFFFF;
        border: 1px solid var(--card-border);
        border-radius: var(--radius-card);
        padding: 20px;
        transition: all var(--transition-fast);
        position: relative;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .match-card:hover {
        box-shadow: var(--card-shadow-hover);
        transform: translateY(-3px);
        border-color: #D5DAE0;
    }
    .match-card .match-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
    }
    .match-card .league-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 12px;
        font-weight: 600;
        color: var(--text-secondary);
        background: var(--silver-gray);
        padding: 4px 12px;
        border-radius: var(--radius-badge);
        letter-spacing: 0.03em;
    }
    .match-card .match-status {
        font-size: 12px;
        font-weight: 700;
        padding: 4px 10px;
        border-radius: var(--radius-badge);
        letter-spacing: 0.04em;
        text-transform: uppercase;
    }
    .match-status.live {
        background: var(--brand-orange);
        color: #FFFFFF;
    }
    .match-status.upcoming {
        background: var(--silver-gray);
        color: var(--text-secondary);
    }
    .match-status.finished {
        background: #E2E5E8;
        color: #6B7480;
    }
    .match-card .match-teams {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
    }
    .match-card .team {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 6px;
        flex: 1;
    }
    .match-card .team-logo {
        width: 44px;
        height: 44px;
        background: var(--silver-gray);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        font-size: 14px;
        color: var(--text-muted);
    }
    .match-card .team-name {
        font-size: 14px;
        font-weight: 700;
        color: var(--text-primary);
        text-align: center;
        line-height: 1.3;
    }
    .match-card .match-score {
        font-family: var(--font-heading);
        font-size: 26px;
        font-weight: 800;
        color: var(--text-primary);
        white-space: nowrap;
        letter-spacing: -0.02em;
    }
    .match-card .match-time {
        font-size: 12px;
        color: var(--text-muted);
        text-align: center;
    }
    .match-card .match-divider {
        border: none;
        border-top: 1px dashed #E6E9ED;
        margin: 0;
    }
    .match-card .index-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
    }
    .match-card .index-label {
        font-size: 12px;
        color: var(--text-muted);
        white-space: nowrap;
    }
    .match-card .index-value {
        font-size: 14px;
        font-weight: 700;
        color: var(--text-primary);
    }
    .match-card .index-value.up {
        color: #3A8C1F;
    }
    .match-card .index-value.down {
        color: var(--brand-orange);
    }

    /* Featured deep card */
    .featured-deep-card {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0;
        background: #FFFFFF;
        border: 1px solid var(--card-border);
        border-radius: var(--radius-card);
        overflow: hidden;
        transition: all var(--transition-fast);
    }
    .featured-deep-card:hover {
        box-shadow: var(--card-shadow-hover);
    }
    .featured-deep-card .featured-image {
        position: relative;
        min-height: 280px;
        background-size: cover;
        background-position: center;
    }
    .featured-deep-card .featured-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        position: absolute;
        top: 0;
        left: 0;
    }
    .featured-deep-card .featured-image::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 40%;
        background: linear-gradient(to top, rgba(16,20,24,0.5), transparent);
        pointer-events: none;
    }
    .featured-deep-card .featured-body {
        padding: 30px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 14px;
    }
    .featured-deep-card .featured-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 12px;
        font-weight: 700;
        color: var(--brand-orange);
        letter-spacing: 0.06em;
        text-transform: uppercase;
    }
    .featured-deep-card .featured-title {
        font-family: var(--font-heading);
        font-size: 22px;
        font-weight: 800;
        color: var(--text-primary);
        line-height: 1.35;
    }
    .featured-deep-card .featured-desc {
        font-size: 15px;
        line-height: 1.75;
        color: var(--text-secondary);
    }

    /* League tags cloud */
    .league-tag-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    .league-cloud-tag {
        display: inline-flex;
        align-items: center;
        padding: 10px 20px;
        font-size: 14px;
        font-weight: 600;
        color: var(--text-secondary);
        background: #FFFFFF;
        border: 1px solid var(--card-border);
        border-radius: 24px;
        transition: all var(--transition-fast);
        cursor: pointer;
    }
    .league-cloud-tag:hover {
        border-color: var(--brand-orange);
        color: var(--brand-orange);
        background: #FFF7F5;
        transform: translateY(-2px);
    }
    .league-cloud-tag .tag-count {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 24px;
        height: 24px;
        margin-left: 8px;
        padding: 0 6px;
        font-size: 12px;
        font-weight: 700;
        background: var(--silver-gray);
        color: var(--text-secondary);
        border-radius: 12px;
    }

    /* Ranking preview */
    .ranking-preview-card {
        background: #FFFFFF;
        border: 1px solid var(--card-border);
        border-radius: var(--radius-card);
        padding: 22px;
        display: flex;
        align-items: center;
        gap: 16px;
        transition: all var(--transition-fast);
    }
    .ranking-preview-card:hover {
        box-shadow: var(--card-shadow-hover);
        transform: translateY(-2px);
    }
    .ranking-preview-card .rank-num {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: var(--font-heading);
        font-weight: 800;
        font-size: 16px;
        color: var(--text-secondary);
        background: var(--silver-gray);
        border-radius: 8px;
        flex-shrink: 0;
    }
    .ranking-preview-card .rank-num.top1 {
        background: var(--brand-orange);
        color: #FFFFFF;
    }
    .ranking-preview-card .rank-num.top2 {
        background: #F5B042;
        color: #FFFFFF;
    }
    .ranking-preview-card .rank-num.top3 {
        background: #D18A3A;
        color: #FFFFFF;
    }
    .ranking-preview-card .rank-info {
        flex: 1;
        min-width: 0;
    }
    .ranking-preview-card .rank-name {
        font-size: 15px;
        font-weight: 700;
        color: var(--text-primary);
        line-height: 1.3;
    }
    .ranking-preview-card .rank-detail {
        font-size: 13px;
        color: var(--text-muted);
        margin-top: 2px;
    }
    .ranking-preview-card .rank-value {
        font-size: 18px;
        font-weight: 800;
        color: var(--brand-orange);
        font-family: var(--font-heading);
        white-space: nowrap;
    }

    /* Data steps */
    .data-step {
        display: flex;
        gap: 18px;
        align-items: flex-start;
    }
    .data-step .step-indicator {
        width: 42px;
        height: 42px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: var(--font-heading);
        font-weight: 800;
        font-size: 17px;
        background: var(--brand-black);
        color: var(--brand-lime);
        border-radius: 8px;
        flex-shrink: 0;
    }
    .data-step .step-content h3 {
        font-family: var(--font-heading);
        font-size: 17px;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 6px;
        line-height: 1.35;
    }
    .data-step .step-content p {
        font-size: 14px;
        line-height: 1.7;
        color: var(--text-secondary);
        margin-bottom: 0;
    }

    /* FAQ Section */
    .faq-accordion {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .faq-accordion .accordion-item {
        border-bottom: 1px solid var(--card-border);
    }
    .faq-accordion .accordion-title {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 20px 0;
        font-size: 16px;
        font-weight: 700;
        color: var(--text-primary);
        cursor: pointer;
        transition: color var(--transition-fast);
    }
    .faq-accordion .accordion-title:hover {
        color: var(--brand-orange);
    }
    .faq-accordion .accordion-title .faq-icon {
        width: 28px;
        height: 28px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--silver-gray);
        border-radius: 50%;
        font-size: 12px;
        color: var(--text-muted);
        flex-shrink: 0;
        transition: all var(--transition-fast);
    }
    .faq-accordion .accordion-title[aria-expanded="true"] .faq-icon {
        background: var(--brand-orange);
        color: #FFFFFF;
        transform: rotate(45deg);
    }
    .faq-accordion .accordion-content {
        padding: 0 0 20px;
        font-size: 15px;
        line-height: 1.75;
        color: var(--text-secondary);
        display: none;
    }
    .faq-accordion .accordion-content.is-active {
        display: block;
    }

    /* Related topic cards */
    .related-topic-card {
        display: block;
        background: #FFFFFF;
        border: 1px solid var(--card-border);
        border-radius: var(--radius-card);
        overflow: hidden;
        transition: all var(--transition-fast);
    }
    .related-topic-card:hover {
        box-shadow: var(--card-shadow-hover);
        transform: translateY(-3px);
    }
    .related-topic-card .topic-image {
        height: 140px;
        background-size: cover;
        background-position: center;
        position: relative;
    }
    .related-topic-card .topic-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        position: absolute;
        top: 0;
        left: 0;
    }
    .related-topic-card .topic-body {
        padding: 18px 20px;
    }
    .related-topic-card .topic-title {
        font-size: 16px;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 6px;
        line-height: 1.35;
    }
    .related-topic-card .topic-desc {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.6;
        margin-bottom: 0;
    }

    /* Subscribe CTA */
    .subscribe-cta {
        background: var(--brand-black);
        border-radius: 12px;
        padding: 36px 40px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 30px;
        flex-wrap: wrap;
    }
    .subscribe-cta .cta-text h3 {
        font-family: var(--font-heading);
        font-size: 24px;
        font-weight: 800;
        color: #FFFFFF;
        margin-bottom: 8px;
        line-height: 1.35;
    }
    .subscribe-cta .cta-text p {
        font-size: 14px;
        color: #B8BFC5;
        margin-bottom: 0;
        line-height: 1.7;
    }
    .subscribe-cta .cta-form {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
        flex: 1;
        max-width: 420px;
    }
    .subscribe-cta .cta-form input {
        flex: 1;
        min-width: 180px;
        height: 46px;
        padding: 0 18px;
        border: 1px solid rgba(255,255,255,0.2);
        border-radius: var(--radius-btn);
        background: rgba(255,255,255,0.08);
        color: #FFFFFF;
        font-size: 14px;
        transition: all var(--transition-fast);
    }
    .subscribe-cta .cta-form input::placeholder {
        color: #8E969E;
    }
    .subscribe-cta .cta-form input:focus {
        outline: none;
        border-color: var(--brand-orange);
        background: rgba(255,255,255,0.14);
        box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.2);
    }

    /* Footer */
    .site-footer {
        background: var(--brand-black);
        color: #B8BFC5;
        padding-top: 56px;
        padding-bottom: 24px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.2fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand .footer-logo {
        font-family: var(--font-heading);
        font-weight: var(--heading-weight);
        font-size: 24px;
        color: #FFFFFF;
        margin-bottom: 14px;
        letter-spacing: -0.02em;
    }
    .footer-brand .footer-logo span {
        color: var(--brand-orange);
    }
    .footer-desc {
        font-size: 14px;
        line-height: 1.7;
        color: #8E969E;
        max-width: 320px;
        margin-bottom: 0;
    }
    .footer-column-title {
        font-size: 14px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 16px;
        letter-spacing: 0.04em;
        text-transform: uppercase;
    }
    .footer-links {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-links li {
        margin-bottom: 10px;
    }
    .footer-links li a {
        font-size: 14px;
        color: #8E969E;
        transition: color var(--transition-fast);
    }
    .footer-links li a:hover {
        color: var(--brand-lime);
    }
    .footer-bottom {
        border-top: 1px solid #2A3036;
        padding-top: 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 13px;
        color: #6B7480;
    }
    .footer-bottom a {
        color: #6B7480;
        transition: color var(--transition-fast);
    }
    .footer-bottom a:hover {
        color: var(--brand-lime);
    }

    /* Section spacing helpers */
    .section-gap-lg {
        margin-top: 18px;
    }

    /* Responsive */
    @media screen and (max-width: 1024px) {
        .header-brand-row {
            padding: 12px 0;
        }
        .header-nav-links li a {
            padding: 12px 12px;
            font-size: 14px;
        }
        .category-hero h1 {
            font-size: 32px;
        }
        .section {
            padding: 56px 0;
        }
        .section-title {
            font-size: 26px;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
    }
    @media screen and (max-width: 768px) {
        .header-search-wrap {
            display: none;
        }
        .header-auth {
            display: none;
        }
        .header-hamburger {
            display: block;
        }
        .header-channel-row {
            display: none;
        }
        .mobile-menu {
            display: none;
        }
        .mobile-menu.open {
            display: block;
        }
        .category-hero {
            padding: 40px 0 36px;
        }
        .category-hero h1 {
            font-size: 28px;
        }
        .category-hero .hero-meta-strip {
            gap: 18px;
        }
        .hero-meta-strip .meta-value {
            font-size: 18px;
        }
        .section {
            padding: 40px 0;
        }
        .section-title {
            font-size: 24px;
        }
        .section-desc {
            font-size: 15px;
        }
        .featured-deep-card {
            grid-template-columns: 1fr;
        }
        .featured-deep-card .featured-image {
            min-height: 200px;
        }
        .subscribe-cta {
            padding: 28px 24px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
    }
    @media screen and (max-width: 520px) {
        .container {
            padding: 0 16px;
        }
        .container-wide {
            padding: 0 16px;
        }
        .header-logo {
            font-size: 20px;
        }
        .category-hero h1 {
            font-size: 24px;
        }
        .section-title {
            font-size: 22px;
        }
        .btn {
            height: 42px;
            padding: 0 18px;
            font-size: 14px;
        }
        .match-card {
            padding: 16px;
        }
        .match-card .match-score {
            font-size: 22px;
        }
        .subscribe-cta {
            padding: 22px 18px;
            flex-direction: column;
            align-items: flex-start;
        }
        .subscribe-cta .cta-form {
            max-width: 100%;
            width: 100%;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
    }

/* roulang page: category2 */
:root {
            --brand-black: #101418;
            --brand-orange: #FF4D2E;
            --brand-orange-dark: #D93A1E;
            --brand-lime: #B8F33A;
            --silver-gray: #EDF0F2;
            --warm-white: #F7F8FA;
            --card-border: #E6E9ED;
            --text-primary: #101418;
            --text-secondary: #3D444B;
            --text-muted: #6B7480;
            --card-shadow-hover: 0 8px 24px rgba(16, 20, 24, 0.08);
            --radius-card: 8px;
            --radius-btn: 7px;
            --radius-badge: 6px;
            --section-padding: 72px 0;
            --section-padding-mobile: 40px 0;
            --container-max: 1180px;
            --transition-fast: 0.22s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Source Han Sans SC', 'Noto Sans CJK SC', 'Microsoft YaHei', 'system-ui', -apple-system, 'Segoe UI', sans-serif;
            --font-heading: 'Source Han Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
            --heading-weight: 800;
            --body-line-height: 1.78;
            --heading-line-height: 1.28;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: var(--body-line-height);
            color: var(--text-primary);
            background-color: var(--warm-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 0;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--brand-orange);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--brand-orange-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(255, 77, 46, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: var(--section-padding);
            position: relative;
        }

        .section-sm {
            padding: 48px 0;
            position: relative;
        }

        .section-dark {
            background-color: var(--brand-black);
            color: #F5F7F8;
        }

        .section-light {
            background-color: var(--warm-white);
        }

        .section-silver {
            background-color: var(--silver-gray);
        }

        .section-subtitle {
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-orange);
            margin-bottom: 12px;
            display: inline-block;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: var(--heading-weight);
            line-height: var(--heading-line-height);
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-dark .section-desc {
            color: #B8BFC5;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            font-family: inherit;
            line-height: 1;
            padding: 0 24px;
            height: 46px;
            border-radius: var(--radius-btn);
            border: 2px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            text-decoration: none;
        }

        .btn-primary {
            background-color: var(--brand-orange);
            color: #FFFFFF;
            border-color: var(--brand-orange);
        }

        .btn-primary:hover {
            background-color: var(--brand-orange-dark);
            border-color: var(--brand-orange-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 77, 46, 0.28);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline-color: rgba(255, 77, 46, 0.35);
        }

        .btn-outline-dark {
            background-color: transparent;
            color: var(--brand-black);
            border-color: var(--brand-black);
        }

        .btn-outline-dark:hover {
            background-color: var(--brand-black);
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .btn-outline-white {
            background-color: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.55);
        }

        .btn-outline-white:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .btn-sm {
            height: 38px;
            padding: 0 16px;
            font-size: 13px;
        }

        .btn-lg {
            height: 52px;
            padding: 0 32px;
            font-size: 16px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--card-border);
            transition: all var(--transition-smooth);
        }

        .site-header.is-scrolled {
            box-shadow: 0 4px 24px rgba(16, 20, 24, 0.08);
            border-bottom-color: #D8DCE0;
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
            border-bottom: 1px solid #F0F2F4;
            transition: all var(--transition-smooth);
        }

        .site-header.is-scrolled .header-brand-row {
            padding: 8px 0;
            border-bottom-color: transparent;
        }

        .header-logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 24px;
            color: var(--brand-black);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .header-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--brand-orange);
            color: #FFFFFF;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-card);
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .header-logo .logo-mark span {
            font-size: 22px;
        }

        .header-logo .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--brand-black);
            line-height: 1.2;
        }

        .header-logo .logo-text em {
            font-style: normal;
            color: var(--brand-orange);
        }

        .header-brand-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            background-color: var(--silver-gray);
            border-radius: 30px;
            padding: 0 16px;
            height: 42px;
            min-width: 260px;
            max-width: 340px;
            flex: 1;
            border: 1px solid transparent;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .header-search:focus-within {
            border-color: var(--brand-orange);
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.12);
            background-color: #FFFFFF;
        }

        .header-search i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 10px;
        }

        .header-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--text-primary);
            width: 100%;
            padding: 0;
            height: 100%;
            box-shadow: none;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-user-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 8px 14px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .header-user-link:hover {
            background-color: var(--silver-gray);
            color: var(--text-primary);
        }

        .header-user-link i {
            font-size: 16px;
            color: var(--text-muted);
        }

        .header-channel-row {
            display: block;
            transition: all var(--transition-smooth);
        }

        .site-header.is-scrolled .header-channel-row {
            border-top: 1px solid #F0F2F4;
        }

        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .header-nav-links::-webkit-scrollbar {
            display: none;
        }

        .header-nav-links li {
            flex-shrink: 0;
        }

        .header-nav-links a {
            display: block;
            padding: 12px 18px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            border-bottom: 3px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .header-nav-links a:hover {
            color: var(--text-primary);
            background-color: #F8F9FA;
            border-bottom-color: #D8DCE0;
        }

        .header-nav-links a.active {
            color: var(--brand-orange);
            border-bottom-color: var(--brand-orange);
            background-color: #FFF8F6;
        }

        .header-nav-links a.active:hover {
            color: var(--brand-orange-dark);
            border-bottom-color: var(--brand-orange-dark);
        }

        .header-hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--brand-black);
            padding: 6px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-btn);
            transition: background-color var(--transition-fast);
        }

        .header-hamburger:hover {
            background-color: var(--silver-gray);
        }

        .mobile-menu-panel {
            display: none;
            background-color: #FFFFFF;
            border-top: 1px solid var(--card-border);
            padding: 12px 20px 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }

        .mobile-menu-panel.is-open {
            max-height: 560px;
            padding: 12px 20px 20px;
        }

        .mobile-menu-panel .header-search {
            min-width: 0;
            max-width: none;
            width: 100%;
            margin-bottom: 16px;
        }

        .mobile-menu-panel .header-nav-links {
            flex-direction: column;
            align-items: stretch;
            gap: 0;
            overflow-x: visible;
        }

        .mobile-menu-panel .header-nav-links a {
            padding: 14px 12px;
            border-bottom: 1px solid #F0F2F4;
            border-radius: var(--radius-btn);
            font-size: 16px;
        }

        .mobile-menu-panel .header-nav-links a:last-child {
            border-bottom: none;
        }

        .mobile-menu-panel .header-nav-links a.active {
            background-color: #FFF8F6;
            border-bottom-color: #F0F2F4;
        }

        /* Hero */
        .hero-section {
            background-color: var(--brand-black);
            color: #FFFFFF;
            padding: 56px 0 72px;
            position: relative;
            overflow: hidden;
            border-bottom: 4px solid var(--brand-orange);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: url('/assets/images/af7373c3f14340ed.webp') center/cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(16, 20, 24, 0.85), transparent);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-left {
            padding-right: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(255, 77, 46, 0.18);
            color: #FF8A6F;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 30px;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
            border: 1px solid rgba(255, 77, 46, 0.3);
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--brand-lime);
            display: inline-block;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }

        .hero-title .highlight {
            color: var(--brand-orange);
            position: relative;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 4px;
            background-color: var(--brand-lime);
            border-radius: 2px;
            opacity: 0.6;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.85;
            color: #C5CCD2;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-form-box {
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            padding: 24px;
            max-width: 520px;
            backdrop-filter: blur(8px);
        }

        .hero-form-box .form-label {
            font-size: 14px;
            font-weight: 600;
            color: #D0D6DC;
            margin-bottom: 12px;
            display: block;
        }

        .hero-form-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .hero-form-row input {
            flex: 1;
            min-width: 180px;
            height: 48px;
            background-color: #FFFFFF;
            border: 1px solid #D8DCE0;
            border-radius: var(--radius-btn);
            padding: 0 16px;
            font-size: 14px;
            color: var(--text-primary);
            box-shadow: none;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .hero-form-row input:focus {
            border-color: var(--brand-orange);
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.2);
        }

        .hero-form-row .btn {
            height: 48px;
            flex-shrink: 0;
        }

        .hero-form-note {
            font-size: 12px;
            color: #8A949C;
            margin-top: 10px;
            display: block;
        }

        .hero-right {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-data-panel {
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            padding: 24px;
        }

        .hero-data-panel .panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .hero-data-panel .panel-title {
            font-size: 14px;
            font-weight: 700;
            color: #E8ECEF;
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-data-panel .panel-title .live-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--brand-lime);
            display: inline-block;
            box-shadow: 0 0 0 4px rgba(184, 243, 58, 0.2);
        }

        .hero-data-panel .panel-meta {
            font-size: 12px;
            color: #8A949C;
        }

        .hero-match-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-match-item:last-child {
            border-bottom: none;
        }

        .hero-match-item .match-info {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .hero-match-item .match-name {
            font-size: 14px;
            font-weight: 700;
            color: #F0F3F5;
        }

        .hero-match-item .match-league {
            font-size: 12px;
            color: #8A949C;
        }

        .hero-match-item .match-status {
            font-size: 12px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 30px;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .status-live {
            background-color: var(--brand-orange);
            color: #FFFFFF;
        }

        .status-upcoming {
            background-color: rgba(255, 255, 255, 0.12);
            color: #C5CCD2;
        }

        .status-up {
            color: var(--brand-lime);
            font-size: 13px;
            font-weight: 700;
        }

        /* Ticker Section */
        .ticker-section {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--card-border);
            padding: 0;
            overflow: hidden;
            position: relative;
        }

        .ticker-wrapper {
            display: flex;
            align-items: center;
            padding: 0;
        }

        .ticker-label {
            background-color: var(--brand-orange);
            color: #FFFFFF;
            font-size: 13px;
            font-weight: 700;
            padding: 14px 20px;
            letter-spacing: 0.06em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .ticker-label .live-dot-sm {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: #FFFFFF;
            display: inline-block;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        .ticker-track {
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            gap: 24px;
            padding: 12px 20px;
            flex: 1;
            background-color: #FFFFFF;
        }

        .ticker-track::-webkit-scrollbar {
            display: none;
        }

        .ticker-item {
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            font-size: 13px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .ticker-item .ticker-name {
            font-weight: 600;
            color: var(--text-primary);
        }

        .ticker-item .ticker-change-up {
            color: #16A34A;
            font-weight: 700;
            font-size: 12px;
        }

        .ticker-item .ticker-change-down {
            color: var(--brand-orange);
            font-weight: 700;
            font-size: 12px;
        }

        .ticker-item .ticker-time {
            color: var(--text-muted);
            font-size: 12px;
        }

        .ticker-item .ticker-badge {
            font-size: 11px;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 30px;
        }

        .ticker-badge.live {
            background-color: #FFF0ED;
            color: var(--brand-orange);
        }

        .ticker-badge.scheduled {
            background-color: var(--silver-gray);
            color: var(--text-muted);
        }

        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background-color: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: 12px;
            padding: 28px;
            position: relative;
            transition: all var(--transition-fast);
            box-shadow: 0 1px 4px rgba(16, 20, 24, 0.04);
        }

        .feature-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
            border-color: #D8DCE0;
        }

        .feature-card .feature-number {
            font-family: var(--font-heading);
            font-size: 44px;
            font-weight: 800;
            color: #F0F2F4;
            line-height: 1;
            position: absolute;
            top: 20px;
            right: 24px;
            letter-spacing: -0.02em;
            user-select: none;
        }

        .feature-card .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 20px;
            background-color: #FFF0ED;
            color: var(--brand-orange);
        }

        .feature-card:nth-child(2) .feature-icon {
            background-color: #F0F9E8;
            color: #4D7C0F;
        }

        .feature-card:nth-child(3) .feature-icon {
            background-color: #EDF2F7;
            color: #2B4C6F;
        }

        .feature-card .feature-title {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .feature-card .feature-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0;
        }

        /* Brand Intro */
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }

        .brand-intro-image {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 32px rgba(16, 20, 24, 0.1);
        }

        .brand-intro-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .brand-intro-text .section-title {
            margin-bottom: 18px;
        }

        .brand-intro-text p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-secondary);
            margin-bottom: 14px;
        }

        /* Scene Demo */
        .scene-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            counter-reset: scene-counter;
        }

        .scene-step {
            background-color: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: 12px;
            padding: 28px;
            position: relative;
            counter-increment: scene-counter;
            transition: all var(--transition-fast);
        }

        .scene-step:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
        }

        .scene-step::before {
            content: counter(scene-counter);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--brand-orange);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 16px;
        }

        .scene-step .scene-step-title {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .scene-step .scene-step-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0;
        }

        /* Social Proof */
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .proof-item {
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-fast);
        }

        .proof-item:hover {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .proof-item .proof-number {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .proof-item .proof-number em {
            font-style: normal;
            font-size: 18px;
            color: var(--brand-lime);
            margin-left: 2px;
        }

        .proof-item .proof-label {
            font-size: 13px;
            color: #A8B0B7;
            letter-spacing: 0.04em;
        }

        /* Comparison */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: stretch;
        }

        .comparison-card {
            border-radius: 12px;
            padding: 32px;
            transition: all var(--transition-fast);
        }

        .comparison-card.old-way {
            background-color: var(--silver-gray);
            border: 1px solid #D8DCE0;
        }

        .comparison-card.new-way {
            background-color: var(--brand-black);
            border: 2px solid var(--brand-orange);
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }

        .comparison-card.new-way::after {
            content: 'JJB';
            position: absolute;
            bottom: -16px;
            right: -8px;
            font-family: var(--font-heading);
            font-size: 80px;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .comparison-card .comparison-title {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .comparison-card.old-way .comparison-title {
            color: var(--text-primary);
        }

        .comparison-card.new-way .comparison-title {
            color: #FFFFFF;
        }

        .comparison-card .comparison-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .comparison-card .comparison-list li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            font-size: 14px;
            line-height: 1.7;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .comparison-card.new-way .comparison-list li {
            border-bottom-color: rgba(255, 255, 255, 0.1);
            color: #D0D6DC;
        }

        .comparison-card .comparison-list li:last-child {
            border-bottom: none;
        }

        .comparison-card .comparison-list li i {
            font-size: 14px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .comparison-card.old-way .comparison-list li i {
            color: #8A949C;
        }

        .comparison-card.new-way .comparison-list li i {
            color: var(--brand-lime);
        }

        /* News Section */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: grid;
            grid-template-columns: 90px 1fr auto;
            gap: 24px;
            align-items: start;
            padding: 20px 0;
            border-bottom: 1px solid var(--card-border);
            transition: all var(--transition-fast);
        }

        .news-item:hover {
            background-color: #FDFDFE;
            padding-left: 12px;
            border-radius: 4px;
        }

        .news-item .news-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            background-color: var(--silver-gray);
            border-radius: 8px;
            padding: 10px 8px;
            min-width: 78px;
        }

        .news-item .news-date .date-day {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
        }

        .news-item .news-date .date-month {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.06em;
        }

        .news-item .news-body {
            min-width: 0;
        }

        .news-item .news-title {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-item .news-summary {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0 0 10px;
        }

        .news-item .news-readmore {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-orange);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .news-item .news-readmore:hover {
            color: var(--brand-orange-dark);
            gap: 8px;
        }

        /* Rankings Preview */
        .ranking-preview-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .ranking-card {
            background-color: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: 12px;
            padding: 24px;
            transition: all var(--transition-fast);
        }

        .ranking-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
        }

        .ranking-card .ranking-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .ranking-card .ranking-title {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .ranking-card .ranking-badge {
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 30px;
            background-color: #FFF0ED;
            color: var(--brand-orange);
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid #F0F2F4;
        }

        .ranking-item:last-child {
            border-bottom: none;
        }

        .ranking-item .rank-pos {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 800;
            color: var(--text-muted);
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }

        .ranking-item:nth-child(2) .rank-pos {
            color: var(--brand-orange);
        }

        .ranking-item .rank-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            flex: 1;
        }

        .ranking-item .rank-score {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-secondary);
        }

        /* Tools Section */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .tool-card {
            background-color: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: 10px;
            padding: 22px;
            text-align: left;
            transition: all var(--transition-fast);
        }

        .tool-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
            border-color: #D8DCE0;
        }

        .tool-card .tool-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            background-color: #F0F9E8;
            color: #4D7C0F;
            margin-bottom: 14px;
        }

        .tool-card:nth-child(2) .tool-icon {
            background-color: #FFF0ED;
            color: var(--brand-orange);
        }

        .tool-card:nth-child(3) .tool-icon {
            background-color: #EDF2F7;
            color: #2B4C6F;
        }

        .tool-card:nth-child(4) .tool-icon {
            background-color: #FEF3C7;
            color: #92400E;
        }

        .tool-card .tool-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .tool-card .tool-desc {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-muted);
            margin: 0;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #D8DCE0;
        }

        .faq-item .faq-question {
            padding: 18px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            font-family: inherit;
            transition: all var(--transition-fast);
        }

        .faq-item .faq-question:hover {
            background-color: #FDFDFE;
        }

        .faq-item .faq-question .faq-toggle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--silver-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-muted);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .faq-item.is-open .faq-question .faq-toggle {
            background-color: var(--brand-orange);
            color: #FFFFFF;
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 20px;
        }

        .faq-item.is-open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-item .faq-answer p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin: 0;
            padding-top: 12px;
            border-top: 1px solid #F0F2F4;
        }

        /* Guarantee Bar */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background-color: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: 10px;
            padding: 20px;
            transition: all var(--transition-fast);
        }

        .guarantee-item:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }

        .guarantee-item .guarantee-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            background-color: #F0F9E8;
            color: #4D7C0F;
            flex-shrink: 0;
        }

        .guarantee-item .guarantee-text h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 4px;
        }

        .guarantee-item .guarantee-text p {
            font-size: 13px;
            line-height: 1.65;
            color: var(--text-muted);
            margin: 0;
        }

        /* Download CTA */
        .download-cta {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .download-cta .download-text .section-title {
            color: #FFFFFF;
        }

        .download-cta .download-text .section-desc {
            color: #B8BFC5;
        }

        .download-cta .download-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Subscribe CTA */
        .subscribe-box {
            background-color: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: 16px;
            padding: 48px;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
            box-shadow: 0 4px 20px rgba(16, 20, 24, 0.05);
        }

        .subscribe-box .subscribe-title {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .subscribe-box .subscribe-desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            line-height: 1.75;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            height: 48px;
            border: 1px solid #D8DCE0;
            border-radius: var(--radius-btn);
            padding: 0 16px;
            font-size: 14px;
            color: var(--text-primary);
            box-shadow: none;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .subscribe-form input:focus {
            border-color: var(--brand-orange);
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.15);
        }

        .subscribe-form .btn {
            height: 48px;
            flex-shrink: 0;
        }

        /* Footer */
        .site-footer {
            background-color: var(--brand-black);
            color: #A8B0B7;
            padding: 48px 0 0;
            border-top: 4px solid var(--brand-orange);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-logo span {
            color: var(--brand-orange);
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.75;
            color: #8A949C;
            margin: 0;
            max-width: 340px;
        }

        .footer-column-title {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            font-size: 13px;
            color: #A8B0B7;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            font-size: 12px;
            color: #6B7480;
            flex-wrap: wrap;
            gap: 10px;
        }

        .footer-bottom a {
            color: #8A949C;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #FFFFFF;
        }

        /* Mobile Sticky CTA */
        .mobile-sticky-cta {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background-color: rgba(16, 20, 24, 0.95);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 10px 16px;
            backdrop-filter: blur(8px);
        }

        .mobile-sticky-cta .sticky-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .mobile-sticky-cta .sticky-text {
            font-size: 13px;
            color: #D0D6DC;
            font-weight: 600;
        }

        .mobile-sticky-cta .btn {
            height: 40px;
            padding: 0 18px;
            font-size: 13px;
        }

        .mobile-sticky-cta .sticky-close {
            background: none;
            border: none;
            color: #8A949C;
            font-size: 18px;
            padding: 4px;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .mobile-sticky-cta .sticky-close:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-left {
                padding-right: 0;
            }

            .hero-title {
                font-size: 34px;
            }

            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .comparison-grid {
                grid-template-columns: 1fr;
            }

            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .download-cta {
                grid-template-columns: 1fr;
            }

            .brand-intro-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-brand-row {
                padding: 10px 0;
                gap: 12px;
            }

            .header-logo .logo-text {
                font-size: 18px;
            }

            .header-logo .logo-mark {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }

            .header-brand-actions .header-search {
                display: none;
            }

            .header-hamburger {
                display: flex;
            }

            .header-channel-row {
                display: none;
            }

            .mobile-menu-panel {
                display: block;
            }

            .hero-section {
                padding: 40px 0 56px;
            }

            .hero-title {
                font-size: 28px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .feature-grid {
                grid-template-columns: 1fr;
            }

            .scene-steps {
                grid-template-columns: 1fr;
            }

            .proof-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .proof-item .proof-number {
                font-size: 28px;
            }

            .ranking-preview-grid {
                grid-template-columns: 1fr;
            }

            .tools-grid {
                grid-template-columns: 1fr;
            }

            .guarantee-grid {
                grid-template-columns: 1fr;
            }

            .news-item {
                grid-template-columns: 64px 1fr;
                gap: 16px;
            }

            .news-item .news-date {
                min-width: 56px;
                padding: 8px 4px;
            }

            .news-item .news-date .date-day {
                font-size: 18px;
            }

            .news-item .news-body {
                grid-column: 2;
            }

            .news-item .news-readmore {
                grid-column: 2;
            }

            .section {
                padding: var(--section-padding-mobile);
            }

            .section-title {
                font-size: 24px;
            }

            .subscribe-box {
                padding: 32px 20px;
            }

            .mobile-sticky-cta {
                display: block;
            }

            body.has-sticky-cta {
                padding-bottom: 64px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding-bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
            }

            .hero-badge {
                font-size: 11px;
                padding: 4px 10px;
            }

            .hero-form-row {
                flex-direction: column;
            }

            .hero-form-row input {
                min-width: 0;
                width: 100%;
            }

            .hero-form-row .btn {
                width: 100%;
            }

            .proof-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .proof-item {
                padding: 20px 12px;
            }

            .proof-item .proof-number {
                font-size: 24px;
            }

            .ticker-label {
                font-size: 11px;
                padding: 10px 12px;
            }

            .feature-card {
                padding: 20px;
            }

            .feature-card .feature-number {
                font-size: 32px;
                top: 14px;
                right: 16px;
            }
        }

/* roulang page: category5 */
:root {
            --brand-black: #101418;
            --brand-orange: #FF4D2E;
            --brand-orange-dark: #D93A1E;
            --brand-lime: #B8F33A;
            --silver-gray: #EDF0F2;
            --warm-white: #F7F8FA;
            --card-border: #E6E9ED;
            --text-primary: #101418;
            --text-secondary: #3D444B;
            --text-muted: #6B7480;
            --card-shadow-hover: 0 8px 24px rgba(16, 20, 24, 0.08);
            --radius-card: 8px;
            --radius-btn: 7px;
            --radius-badge: 6px;
            --section-padding: 72px 0;
            --section-padding-mobile: 40px 0;
            --container-max: 1180px;
            --transition-fast: 0.22s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Source Han Sans SC', 'Noto Sans CJK SC', 'Microsoft YaHei', 'system-ui', -apple-system, 'Segoe UI', sans-serif;
            --font-heading: 'Source Han Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
            --heading-weight: 800;
            --body-line-height: 1.78;
            --heading-line-height: 1.28;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: var(--body-line-height);
            color: var(--text-primary);
            background-color: var(--warm-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--brand-orange);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--brand-orange-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(255, 77, 46, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section {
            padding: var(--section-padding);
            position: relative;
        }
        .section-sm {
            padding: 48px 0;
            position: relative;
        }
        .section-dark {
            background-color: var(--brand-black);
            color: #F5F7F8;
        }
        .section-light {
            background-color: var(--warm-white);
        }
        .section-silver {
            background-color: var(--silver-gray);
        }
        .section-subtitle {
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-orange);
            margin-bottom: 12px;
            display: inline-block;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: var(--heading-weight);
            line-height: var(--heading-line-height);
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 760px;
            margin-bottom: 32px;
        }
        .section-dark .section-title {
            color: #FFFFFF;
        }
        .section-dark .section-desc {
            color: #B8BFC5;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            font-family: inherit;
            line-height: 1;
            padding: 0 24px;
            height: 46px;
            border-radius: var(--radius-btn);
            border: 2px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-primary {
            background-color: var(--brand-orange);
            color: #FFFFFF;
            border-color: var(--brand-orange);
        }
        .btn-primary:hover {
            background-color: var(--brand-orange-dark);
            border-color: var(--brand-orange-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 77, 46, 0.28);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-outline-dark {
            background-color: transparent;
            color: var(--brand-black);
            border-color: var(--brand-black);
        }
        .btn-outline-dark:hover {
            background-color: var(--brand-black);
            color: #FFFFFF;
            transform: translateY(-1px);
        }
        .btn-outline-white {
            background-color: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.55);
        }
        .btn-outline-white:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-1px);
        }
        .btn-sm {
            height: 38px;
            padding: 0 16px;
            font-size: 13px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            box-shadow: 0 1px 10px rgba(16, 20, 24, 0.06);
            transition: box-shadow var(--transition-fast), background var(--transition-fast);
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 14px 0;
            border-bottom: 1px solid #EDF0F2;
            transition: padding var(--transition-fast);
        }
        .header-brand-left {
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
        }
        .header-logo {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            transition: font-size var(--transition-fast);
        }
        .header-logo span {
            color: var(--brand-orange);
        }
        .header-logo:hover {
            color: var(--text-primary);
        }
        .header-search {
            flex: 1;
            max-width: 420px;
            min-width: 220px;
            position: relative;
        }
        .header-search input {
            width: 100%;
            height: 40px;
            border: 1px solid #D9DDE3;
            border-radius: 6px;
            padding: 0 14px 0 36px;
            background: #F9FAFB;
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
        }
        .header-search input:focus {
            border-color: var(--brand-orange);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.12);
        }
        .header-search i {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #929DAA;
            font-size: 14px;
            pointer-events: none;
        }
        .header-brand-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 6px;
            border: 1px solid #E1E5E9;
            background: #FFFFFF;
            color: #3D444B;
            transition: all var(--transition-fast);
        }
        .header-icon-btn:hover {
            border-color: var(--brand-orange);
            color: var(--brand-orange);
        }
        .header-menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid #E1E5E9;
            background: #FFFFFF;
            border-radius: 6px;
            color: #101418;
            font-size: 18px;
            align-items: center;
            justify-content: center;
        }
        .header-channel-row {
            border-top: 1px solid #F0F2F4;
            transition: all var(--transition-fast);
        }
        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .header-nav-links li {
            margin: 0;
        }
        .header-nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 14px 12px;
            font-size: 15px;
            font-weight: 600;
            color: #3D444B;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .header-nav-links a::after {
            content: "";
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 0;
            height: 3px;
            background: var(--brand-orange);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-fast);
        }
        .header-nav-links a:hover {
            color: var(--brand-orange);
        }
        .header-nav-links a.active {
            color: var(--brand-orange);
        }
        .header-nav-links a.active::after {
            transform: scaleX(1);
        }
        .site-header.is-scrolled .header-brand-row {
            padding: 8px 0;
            border-bottom: 1px solid #EDF0F2;
        }
        .site-header.is-scrolled .header-channel-row {
            background: #FFFFFF;
            box-shadow: 0 1px 8px rgba(16, 20, 24, 0.04);
        }
        .site-header.is-scrolled .header-logo {
            font-size: 20px;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 18px 0 6px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--brand-orange);
        }
        .breadcrumb li + li::before {
            content: "/";
            color: #B8BFC5;
        }

        /* Category Intro */
        .category-intro {
            padding: 28px 0 20px;
        }
        .category-intro h1 {
            font-family: var(--font-heading);
            font-size: 40px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-primary);
            margin: 0 0 16px;
            letter-spacing: -0.01em;
        }
        .category-intro p {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 860px;
            margin: 0;
        }

        /* Filter Tags */
        .filter-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding: 8px 0 28px;
        }
        .filter-tags .tag-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-right: 4px;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 36px;
            padding: 0 14px;
            border-radius: 999px;
            background: #FFFFFF;
            border: 1px solid #D9DDE3;
            color: #3D444B;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .filter-chip:hover {
            border-color: var(--brand-orange);
            color: var(--brand-orange);
        }
        .filter-chip.active {
            background: var(--brand-black);
            border-color: var(--brand-black);
            color: #FFFFFF;
        }

        /* Cards Grid */
        .team-player-grid {
            gap: 24px;
        }
        .team-player-card {
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            padding: 22px;
            transition: all var(--transition-fast);
            height: 100%;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .team-player-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-shadow-hover);
        }
        .tp-card-top {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 16px;
        }
        .tp-avatar {
            width: 64px;
            height: 64px;
            border-radius: 8px;
            background: var(--silver-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 24px;
            font-weight: 700;
            flex-shrink: 0;
            overflow: hidden;
        }
        .tp-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 8px;
        }
        .tp-card-info {
            min-width: 0;
        }
        .tp-card-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.3;
        }
        .tp-card-role {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .tp-card-role i {
            color: var(--brand-orange);
            font-size: 12px;
        }
        .tp-card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }
        .tp-meta-badge {
            display: inline-flex;
            align-items: center;
            height: 26px;
            padding: 0 10px;
            border-radius: var(--radius-badge);
            background: #F3F5F6;
            color: #3D444B;
            font-size: 12px;
            font-weight: 600;
        }
        .tp-meta-badge.orange {
            background: rgba(255, 77, 46, 0.1);
            color: var(--brand-orange);
        }
        .tp-card-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 14px;
            flex: 1;
        }
        .tp-card-action {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            border-top: 1px solid #F0F2F4;
            padding-top: 14px;
            font-size: 13px;
        }
        .tp-card-stats {
            color: var(--text-muted);
            display: flex;
            gap: 12px;
        }
        .tp-card-stats span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .tp-card-stats i {
            color: var(--brand-orange);
            font-size: 12px;
        }
        .tp-card-link {
            font-weight: 700;
            color: var(--brand-orange);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .tp-card-link i {
            transition: transform var(--transition-fast);
        }
        .tp-card-link:hover i {
            transform: translateX(4px);
        }

        /* Cover Card */
        .cover-feature-card {
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(16, 20, 24, 0.04);
            height: 100%;
        }
        .cover-feature-media {
            position: relative;
            aspect-ratio: 16 / 7;
            background: var(--silver-gray);
            overflow: hidden;
        }
        .cover-feature-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .cover-feature-card:hover .cover-feature-media img {
            transform: scale(1.03);
        }
        .cover-feature-badge {
            position: absolute;
            left: 18px;
            top: 18px;
            background: var(--brand-orange);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 12px;
            border-radius: var(--radius-badge);
        }
        .cover-feature-body {
            padding: 24px;
        }
        .cover-feature-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.35;
            margin-bottom: 10px;
        }
        .cover-feature-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        /* Data Snapshot */
        .data-snapshot {
            background: var(--brand-black);
            color: #F5F7F8;
            border-radius: var(--radius-card);
            padding: 28px;
            height: 100%;
        }
        .data-snapshot-title {
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .data-snapshot-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .data-snapshot-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 14px;
        }
        .data-snapshot-list li:last-child {
            border-bottom: 0;
        }
        .data-snapshot-list .ds-label {
            color: #B8BFC5;
        }
        .data-snapshot-list .ds-value {
            color: #FFFFFF;
            font-weight: 700;
            white-space: nowrap;
        }
        .ds-value.lime {
            color: var(--brand-lime);
        }
        .ds-value.orange {
            color: var(--brand-orange);
        }

        /* Timeline */
        .timeline-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .timeline-item {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid #E6E9ED;
            position: relative;
        }
        .timeline-item:last-child {
            border-bottom: 0;
        }
        .timeline-dot {
            flex-shrink: 0;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--brand-orange);
            margin-top: 8px;
        }
        .timeline-content {
            flex: 1;
        }
        .timeline-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 4px;
        }
        .timeline-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .timeline-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* FAQ */
        .faq-section {
            background: var(--silver-gray);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: 0 4px 14px rgba(16, 20, 24, 0.05);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            background: #FFFFFF;
            border: 0;
            width: 100%;
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--brand-orange);
        }
        .faq-question i {
            flex-shrink: 0;
            color: var(--brand-orange);
            font-size: 16px;
            transition: transform var(--transition-fast);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            background: #FBFCFD;
        }
        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        /* CTA Subscribe */
        .cta-subscribe {
            background: var(--brand-black);
            color: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 40px;
            display: flex;
            flex-direction: column;
            gap: 22px;
            align-items: center;
            text-align: center;
        }
        .cta-subscribe-title {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.3;
            color: #FFFFFF;
        }
        .cta-subscribe-desc {
            font-size: 16px;
            color: #B8BFC5;
            max-width: 620px;
            line-height: 1.8;
        }
        .cta-subscribe-form {
            display: flex;
            gap: 12px;
            width: 100%;
            max-width: 520px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-subscribe-form input {
            flex: 1;
            min-width: 240px;
            height: 48px;
            border-radius: var(--radius-btn);
            border: 1px solid #2B3239;
            background: #1B2127;
            color: #FFFFFF;
            padding: 0 18px;
            font-size: 15px;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .cta-subscribe-form input:focus {
            border-color: var(--brand-orange);
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.2);
        }
        .cta-subscribe-form input::placeholder {
            color: #7A858E;
        }

        /* Footer */
        .site-footer {
            background: var(--brand-black);
            color: #B8BFC5;
            padding: 56px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
        }
        .footer-logo {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-logo span {
            color: var(--brand-orange);
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #929DAA;
            max-width: 340px;
            margin-bottom: 0;
        }
        .footer-column-title {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: #929DAA;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: #7A858E;
        }
        .footer-bottom a {
            color: #7A858E;
        }
        .footer-bottom a:hover {
            color: #FFFFFF;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header-brand-row {
                flex-wrap: wrap;
            }
            .header-search {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
            }
            .section {
                padding: 56px 0;
            }
            .team-player-grid {
                gap: 18px;
            }
        }
        @media (max-width: 768px) {
            .header-brand-row {
                padding: 12px 0;
            }
            .header-menu-toggle {
                display: inline-flex;
            }
            .header-search {
                display: none;
            }
            .header-channel-row {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #FFFFFF;
                box-shadow: 0 10px 20px rgba(16, 20, 24, 0.08);
                padding: 12px 0;
            }
            .header-channel-row.is-open {
                display: block;
            }
            .header-nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
            }
            .header-nav-links a {
                padding: 14px 20px;
                border-bottom: 1px solid #F0F2F4;
            }
            .header-nav-links a::after {
                display: none;
            }
            .header-nav-links a.active {
                background: #FFF1ED;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .category-intro h1 {
                font-size: 30px;
            }
            .cover-feature-media {
                aspect-ratio: 16 / 9;
            }
            .cta-subscribe {
                padding: 28px 20px;
            }
            .cta-subscribe-title {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .team-player-card {
                padding: 18px;
            }
            .tp-card-top {
                gap: 10px;
            }
            .tp-card-name {
                font-size: 16px;
            }
        }
        @media (max-width: 520px) {
            .header-logo {
                font-size: 20px;
            }
            .header-brand-actions .btn-outline-dark {
                padding: 0 14px;
                height: 38px;
                font-size: 13px;
            }
            .category-intro h1 {
                font-size: 26px;
            }
            .filter-tags {
                gap: 8px;
            }
            .filter-chip {
                height: 32px;
                padding: 0 12px;
                font-size: 12px;
            }
            .cta-subscribe-form input {
                min-width: 100%;
            }
            .cta-subscribe-form .btn {
                width: 100%;
            }
        }

/* roulang page: category6 */
:root {
            --brand-black: #101418;
            --brand-orange: #FF4D2E;
            --brand-orange-dark: #D93A1E;
            --brand-lime: #B8F33A;
            --silver-gray: #EDF0F2;
            --warm-white: #F7F8FA;
            --card-border: #E6E9ED;
            --text-primary: #101418;
            --text-secondary: #3D444B;
            --text-muted: #6B7480;
            --card-shadow-hover: 0 8px 24px rgba(16, 20, 24, 0.08);
            --radius-card: 8px;
            --radius-btn: 7px;
            --radius-badge: 6px;
            --section-padding: 72px 0;
            --section-padding-mobile: 40px 0;
            --container-max: 1180px;
            --transition-fast: 0.22s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Source Han Sans SC', 'Noto Sans CJK SC', 'Microsoft YaHei', 'system-ui', -apple-system, 'Segoe UI', sans-serif;
            --font-heading: 'Source Han Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
            --heading-weight: 800;
            --body-line-height: 1.78;
            --heading-line-height: 1.28;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: var(--body-line-height);
            color: var(--text-primary);
            background-color: var(--warm-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--brand-orange);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--brand-orange-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(255, 77, 46, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: var(--section-padding);
            position: relative;
        }

        .section-sm {
            padding: 48px 0;
            position: relative;
        }

        .section-dark {
            background-color: var(--brand-black);
            color: #F5F7F8;
        }

        .section-light {
            background-color: var(--warm-white);
        }

        .section-silver {
            background-color: var(--silver-gray);
        }

        .section-subtitle {
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-orange);
            margin-bottom: 12px;
            display: inline-block;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: var(--heading-weight);
            line-height: var(--heading-line-height);
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-dark .section-desc {
            color: #B8BFC5;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            font-family: inherit;
            line-height: 1;
            padding: 0 24px;
            height: 46px;
            border-radius: var(--radius-btn);
            border: 2px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background-color: var(--brand-orange);
            color: #FFFFFF;
            border-color: var(--brand-orange);
        }

        .btn-primary:hover {
            background-color: var(--brand-orange-dark);
            border-color: var(--brand-orange-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 77, 46, 0.28);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline-color: rgba(255, 77, 46, 0.35);
        }

        .btn-outline-dark {
            background-color: transparent;
            color: var(--brand-black);
            border-color: var(--brand-black);
        }

        .btn-outline-dark:hover {
            background-color: var(--brand-black);
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .btn-outline-white {
            background-color: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.55);
        }

        .btn-outline-white:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            box-shadow: 0 1px 0 rgba(16, 20, 24, 0.06);
            transition: box-shadow var(--transition-smooth), background var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(16, 20, 24, 0.08);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 16px 0;
            border-bottom: 1px solid var(--card-border);
            transition: padding var(--transition-smooth), border-color var(--transition-smooth);
        }

        .site-header.scrolled .header-brand-row {
            padding: 10px 0;
            border-bottom-color: transparent;
        }

        .header-logo {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 800;
            color: var(--brand-black);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .header-logo span {
            color: var(--brand-orange);
        }

        .header-search {
            flex: 1;
            max-width: 420px;
            display: flex;
            align-items: center;
            gap: 0;
            background: var(--silver-gray);
            border-radius: 8px;
            padding: 0 14px;
            height: 42px;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
        }

        .header-search:focus-within {
            background: #FFFFFF;
            border-color: var(--brand-orange);
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.12);
        }

        .header-search i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 10px;
        }

        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 14px;
            color: var(--text-primary);
            height: 100%;
            outline: none;
            font-family: inherit;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-user-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            white-space: nowrap;
        }

        .header-user-actions a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .header-user-actions a:hover {
            color: var(--brand-orange);
        }

        .header-user-actions .user-divider {
            width: 1px;
            height: 16px;
            background: var(--card-border);
        }

        .header-channel-row {
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .header-channel-row::-webkit-scrollbar {
            display: none;
        }

        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            min-width: max-content;
        }

        .header-nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 12px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .header-nav-links li a:hover {
            color: var(--brand-black);
            background: var(--silver-gray);
            border-radius: 6px 6px 0 0;
        }

        .header-nav-links li a.active {
            color: var(--brand-orange);
            font-weight: 600;
            border-bottom-color: var(--brand-orange);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--brand-black);
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: var(--silver-gray);
        }

        /* Breadcrumb */
        .breadcrumb-nav {
            padding: 16px 0;
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb-nav a:hover {
            color: var(--brand-orange);
        }

        .breadcrumb-nav .separator {
            color: #C7CDD3;
        }

        .breadcrumb-nav .current {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* Page H1 */
        .page-header {
            padding: 32px 0 40px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--card-border);
        }

        .page-header h1 {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: var(--heading-weight);
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .page-header .h1-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 760px;
        }

        /* Help Cards */
        .help-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

        .help-card {
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            padding: 24px;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-fast);
            position: relative;
        }

        .help-card:hover {
            border-color: #D3D9DF;
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
        }

        .help-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: #FFF0EB;
            color: var(--brand-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .help-card h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .help-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex: 1;
        }

        .help-card .help-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 14px;
            border-top: 1px solid var(--card-border);
        }

        .help-card .help-meta i {
            margin-right: 4px;
        }

        .help-tag {
            display: inline-block;
            padding: 4px 10px;
            background: var(--silver-gray);
            color: var(--text-secondary);
            font-size: 12px;
            font-weight: 500;
            border-radius: 20px;
            margin-right: 8px;
            margin-bottom: 8px;
        }

        .help-tag:hover {
            background: #DDE1E6;
            color: var(--text-primary);
        }

        /* Featured Help Article */
        .help-featured {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            overflow: hidden;
            padding: 0;
            transition: all var(--transition-fast);
        }

        .help-featured:hover {
            box-shadow: var(--card-shadow-hover);
            border-color: #D3D9DF;
        }

        .help-featured-img {
            height: 100%;
            min-height: 280px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .help-featured-img .overlay-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--brand-orange);
            color: #FFFFFF;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
        }

        .help-featured-content {
            padding: 32px;
            display: flex;
            flex-direction: column;
        }

        .help-featured-content h2 {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .help-featured-content p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .help-featured-content .btn {
            align-self: flex-start;
        }

        /* Terminology Cards */
        .term-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .term-card {
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            padding: 22px;
            transition: all var(--transition-fast);
        }

        .term-card:hover {
            border-color: #D3D9DF;
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }

        .term-card .term-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .term-card .term-name i {
            color: var(--brand-orange);
            font-size: 14px;
        }

        .term-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* Safety Cards */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .safety-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 24px;
            border-left: 4px solid var(--brand-lime);
            border: 1px solid var(--card-border);
            border-left-width: 4px;
            transition: all var(--transition-fast);
        }

        .safety-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }

        .safety-card .safety-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: #F5FBE8;
            color: #589B0E;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 14px;
        }

        .safety-card h3 {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .safety-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* FAQ Accordion */
        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
        }

        .accordion-item {
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .accordion-item:hover {
            border-color: #D3D9DF;
        }

        .accordion-title {
            background: #FFFFFF;
            color: var(--text-primary);
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition-fast);
        }

        .accordion-title:hover {
            background: var(--silver-gray);
        }

        .accordion-title .accordion-icon {
            font-size: 14px;
            color: var(--brand-orange);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 16px;
        }

        .accordion-title[aria-expanded="true"] .accordion-icon {
            transform: rotate(180deg);
        }

        .accordion-content {
            background: #FFFFFF;
            padding: 0 22px 20px;
            border-top: 1px solid var(--card-border);
            display: none;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        .accordion-content.is-active {
            display: block;
        }

        .accordion-content p {
            margin: 16px 0 0;
        }

        /* Download Install */
        .download-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .download-card {
            background: var(--brand-black);
            border-radius: var(--radius-card);
            padding: 28px;
            color: #FFFFFF;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-fast);
        }

        .download-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(16, 20, 24, 0.25);
        }

        .download-card .download-icon {
            font-size: 28px;
            color: var(--brand-lime);
            margin-bottom: 16px;
        }

        .download-card h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }

        .download-card p {
            font-size: 14px;
            color: #B8BFC5;
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }

        .download-card .btn-outline-white {
            align-self: flex-start;
            font-size: 14px;
            height: 40px;
            padding: 0 18px;
        }

        /* Contact/CTA */
        .contact-cta {
            background: var(--brand-black);
            border-radius: 12px;
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            color: #FFFFFF;
            flex-wrap: wrap;
        }

        .contact-cta h2 {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
        }

        .contact-cta p {
            font-size: 15px;
            color: #B8BFC5;
            margin: 0;
            max-width: 420px;
        }

        .contact-cta .btn-primary {
            flex-shrink: 0;
        }

        /* Footer */
        .site-footer {
            background-color: var(--brand-black);
            color: #C7CDD3;
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-logo {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .footer-logo span {
            color: var(--brand-orange);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #A0A8B0;
            max-width: 320px;
            margin: 0;
        }

        .footer-column-title {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: #A0A8B0;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--brand-lime);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: #8A93A0;
        }

        .footer-bottom a {
            color: #8A93A0;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--brand-lime);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .help-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .help-featured {
                grid-template-columns: 1fr;
            }
            .help-featured-img {
                min-height: 220px;
            }
            .safety-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .header-search {
                display: none;
            }
            .header-user-actions .user-divider {
                display: none;
            }
            .header-user-actions a:first-child {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-channel-row {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #FFFFFF;
                box-shadow: 0 8px 24px rgba(16, 20, 24, 0.12);
                border-top: 1px solid var(--card-border);
            }
            .header-channel-row.is-open {
                display: block;
            }
            .header-nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 8px 16px;
                min-width: unset;
            }
            .header-nav-links li a {
                display: flex;
                padding: 14px 8px;
                border-radius: 6px;
                border-bottom: none;
                font-size: 15px;
            }
            .header-nav-links li a.active {
                border-bottom: none;
                background: #FFF0EB;
                color: var(--brand-orange);
            }
            .page-header h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .help-grid {
                grid-template-columns: 1fr;
            }
            .term-grid {
                grid-template-columns: 1fr;
            }
            .safety-grid {
                grid-template-columns: 1fr;
            }
            .download-grid {
                grid-template-columns: 1fr;
            }
            .contact-cta {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px;
            }
            .contact-cta .btn-primary {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .header-brand-row {
                padding: 12px 0;
            }
            .header-logo {
                font-size: 20px;
            }
            .header-user-actions a {
                font-size: 13px;
            }
            .page-header {
                padding: 24px 0 32px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .help-card {
                padding: 20px;
            }
            .help-featured-content {
                padding: 22px;
            }
            .contact-cta h2 {
                font-size: 19px;
            }
            .section {
                padding: var(--section-padding-mobile);
            }
            .section-sm {
                padding: 32px 0;
            }
        }

/* roulang page: category4 */
:root {
            --brand-black: #101418;
            --brand-orange: #FF4D2E;
            --brand-orange-dark: #D93A1E;
            --brand-lime: #B8F33A;
            --silver-gray: #EDF0F2;
            --warm-white: #F7F8FA;
            --card-border: #E6E9ED;
            --text-primary: #101418;
            --text-secondary: #3D444B;
            --text-muted: #6B7480;
            --card-shadow-hover: 0 8px 24px rgba(16, 20, 24, 0.08);
            --radius-card: 8px;
            --radius-btn: 7px;
            --radius-badge: 6px;
            --section-padding: 72px 0;
            --section-padding-mobile: 40px 0;
            --container-max: 1180px;
            --transition-fast: 0.22s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Source Han Sans SC', 'Noto Sans CJK SC', 'Microsoft YaHei', 'system-ui', -apple-system, 'Segoe UI', sans-serif;
            --font-heading: 'Source Han Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
            --heading-weight: 800;
            --body-line-height: 1.78;
            --heading-line-height: 1.28;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: var(--body-line-height);
            color: var(--text-primary);
            background-color: var(--warm-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--brand-orange);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--brand-orange-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(255, 77, 46, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: var(--section-padding);
            position: relative;
        }

        .section-sm {
            padding: 48px 0;
            position: relative;
        }

        .section-dark {
            background-color: var(--brand-black);
            color: #F5F7F8;
        }

        .section-light {
            background-color: var(--warm-white);
        }

        .section-silver {
            background-color: var(--silver-gray);
        }

        .section-subtitle {
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-orange);
            margin-bottom: 12px;
            display: inline-block;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: var(--heading-weight);
            line-height: var(--heading-line-height);
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-dark .section-desc {
            color: #B8BFC5;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            font-family: inherit;
            line-height: 1;
            padding: 0 24px;
            height: 46px;
            border-radius: var(--radius-btn);
            border: 2px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            background: none;
        }

        .btn-primary {
            background-color: var(--brand-orange);
            color: #FFFFFF;
            border-color: var(--brand-orange);
        }

        .btn-primary:hover {
            background-color: var(--brand-orange-dark);
            border-color: var(--brand-orange-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 77, 46, 0.28);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline-color: rgba(255, 77, 46, 0.35);
        }

        .btn-outline-dark {
            background-color: transparent;
            color: var(--brand-black);
            border-color: var(--brand-black);
        }

        .btn-outline-dark:hover {
            background-color: var(--brand-black);
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .btn-outline-white {
            background-color: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.55);
        }

        .btn-outline-white:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .btn-sm {
            height: 38px;
            padding: 0 16px;
            font-size: 14px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            border-bottom: 1px solid var(--card-border);
            transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }

        .site-header .header-top {
            background: #FFFFFF;
            border-bottom: 1px solid rgba(230, 233, 237, 0.7);
            transition: padding var(--transition-smooth), background var(--transition-smooth);
        }

        .site-header .header-top-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 12px 0;
            flex-wrap: wrap;
            transition: padding var(--transition-smooth);
        }

        .header-logo {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 800;
            color: var(--brand-black);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 2px;
            transition: font-size var(--transition-smooth);
        }

        .header-logo span {
            color: var(--brand-orange);
        }

        .header-logo:hover {
            color: var(--brand-black);
        }

        .header-search {
            flex: 1;
            max-width: 360px;
            display: flex;
            align-items: center;
            position: relative;
            transition: max-width var(--transition-smooth);
        }

        .header-search input {
            width: 100%;
            height: 42px;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-btn);
            padding: 0 48px 0 16px;
            font-size: 14px;
            color: var(--text-primary);
            background-color: var(--warm-white);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-search input:focus {
            border-color: var(--brand-orange);
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.12);
            outline: none;
            background-color: #FFFFFF;
        }

        .header-search button {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: var(--text-muted);
            font-size: 16px;
            padding: 8px;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: color var(--transition-fast);
        }

        .header-search button:hover {
            color: var(--brand-orange);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            white-space: nowrap;
        }

        .header-action-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 10px;
            border-radius: 4px;
            transition: all var(--transition-fast);
        }

        .header-action-link:hover {
            color: var(--brand-orange);
            background-color: rgba(255, 77, 46, 0.06);
        }

        .header-help-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: 4px;
            transition: all var(--transition-fast);
        }

        .header-help-link i {
            font-size: 15px;
            color: var(--brand-orange);
        }

        .header-help-link:hover {
            color: var(--brand-orange);
            background-color: rgba(255, 77, 46, 0.06);
        }

        .header-burger {
            display: none;
            background: none;
            border: 1px solid var(--card-border);
            border-radius: 6px;
            width: 42px;
            height: 42px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            padding: 0;
            transition: border-color var(--transition-fast);
        }

        .header-burger:hover {
            border-color: var(--brand-orange);
        }

        .header-burger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--brand-black);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .header-burger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .header-burger.active span:nth-child(2) {
            opacity: 0;
        }

        .header-burger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .header-channel-row {
            background: #FFFFFF;
            border-top: 1px solid rgba(230, 233, 237, 0.5);
            transition: padding var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .header-channel-row .container {
            padding: 0 20px;
        }

        .header-nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .header-nav-links::-webkit-scrollbar {
            display: none;
        }

        .header-nav-links li {
            flex-shrink: 0;
        }

        .header-nav-links a {
            display: block;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 14px 16px;
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .header-nav-links a:hover {
            color: var(--brand-orange);
            border-bottom-color: rgba(255, 77, 46, 0.35);
        }

        .header-nav-links a.active {
            color: var(--brand-orange);
            border-bottom-color: var(--brand-orange);
            font-weight: 600;
        }

        .site-header.scrolled .header-top-inner {
            padding: 8px 0;
        }

        .site-header.scrolled .header-logo {
            font-size: 20px;
        }

        .site-header.scrolled .header-search {
            max-width: 280px;
        }

        .site-header.scrolled .header-channel-row .header-nav-links a {
            padding: 10px 14px;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(16, 20, 24, 0.07);
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 18px 0;
            background: #FFFFFF;
            border-bottom: 1px solid var(--card-border);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li + li::before {
            content: '/';
            color: #C2C9D1;
            font-size: 13px;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--brand-orange);
        }

        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* Category Header */
        .category-header {
            padding: 48px 0 32px;
            background: var(--warm-white);
            border-bottom: 1px solid var(--card-border);
        }

        .category-header-inner {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .category-header h1 {
            font-family: var(--font-heading);
            font-size: 38px;
            font-weight: var(--heading-weight);
            line-height: 1.2;
            color: var(--brand-black);
            margin: 0;
            letter-spacing: -0.02em;
        }

        .category-header .cat-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 760px;
            margin: 0;
        }

        .cat-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--text-muted);
        }

        .cat-meta .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--brand-lime);
            animation: pulse-dot 1.6s ease-in-out infinite;
            display: inline-block;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.45; transform: scale(0.8); }
        }

        /* Live Cards */
        .live-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 20px;
        }

        .live-card {
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .live-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(255, 77, 46, 0.2);
        }

        .live-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .live-card-league {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
        }

        .live-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 10px;
            border-radius: var(--radius-badge);
            white-space: nowrap;
        }

        .live-status.live {
            background-color: var(--brand-orange);
            color: #FFFFFF;
        }

        .live-status.live::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: #FFFFFF;
            animation: pulse-dot 1.4s ease-in-out infinite;
        }

        .live-status.upcoming {
            background-color: var(--silver-gray);
            color: var(--text-primary);
        }

        .live-status.ended {
            background-color: #E4E7EA;
            color: var(--text-muted);
        }

        .live-card-matchup {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: var(--brand-black);
        }

        .live-card-teams {
            display: flex;
            align-items: center;
            gap: 14px;
            font-weight: 600;
        }

        .live-card-vs {
            font-size: 14px;
            font-weight: 700;
            color: var(--brand-orange);
            letter-spacing: 0.06em;
            flex-shrink: 0;
        }

        .live-card-time {
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .live-card-time i {
            font-size: 13px;
            color: var(--brand-orange);
        }

        .live-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding-top: 12px;
            border-top: 1px solid var(--card-border);
        }

        .live-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .live-card-tags .tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-muted);
            background: var(--silver-gray);
            padding: 3px 8px;
            border-radius: 4px;
        }

        .live-card .btn {
            flex-shrink: 0;
        }

        /* Schedule Scroll */
        .schedule-scroll {
            display: flex;
            gap: 14px;
            overflow-x: auto;
            padding: 8px 4px 20px;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: #C2C9D1 transparent;
        }

        .schedule-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .schedule-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .schedule-scroll::-webkit-scrollbar-thumb {
            background: #C2C9D1;
            border-radius: 4px;
        }

        .schedule-item {
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            padding: 16px 18px;
            min-width: 200px;
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: all var(--transition-fast);
        }

        .schedule-item:hover {
            border-color: rgba(255, 77, 46, 0.3);
            box-shadow: 0 4px 14px rgba(16, 20, 24, 0.05);
        }

        .schedule-item .sched-time {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-orange);
        }

        .schedule-item .sched-matchup {
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-black);
        }

        .schedule-item .sched-league {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Tags Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud .tag {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            padding: 8px 16px;
            border-radius: 20px;
            transition: all var(--transition-fast);
            cursor: default;
        }

        .tag-cloud .tag:hover {
            border-color: var(--brand-orange);
            color: var(--brand-orange);
            background-color: rgba(255, 77, 46, 0.04);
        }

        .tag-cloud .tag.hot {
            background-color: var(--brand-orange);
            color: #FFFFFF;
            border-color: var(--brand-orange);
        }

        /* Stats Strip */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 16px;
        }

        .stat-block {
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            padding: 18px 16px;
            text-align: center;
            transition: all var(--transition-fast);
        }

        .stat-block:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }

        .stat-number {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 800;
            color: var(--brand-orange);
            line-height: 1.1;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* Caster Cards */
        .caster-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 18px;
        }

        .caster-card {
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            padding: 18px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition-fast);
        }

        .caster-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(255, 77, 46, 0.2);
        }

        .caster-avatar {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--brand-black);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .caster-info .caster-name {
            font-weight: 600;
            color: var(--brand-black);
            font-size: 15px;
        }

        .caster-info .caster-role {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* Guide Steps */
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 18px;
        }

        .guide-step {
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: all var(--transition-fast);
            position: relative;
        }

        .guide-step:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }

        .guide-step-number {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 800;
            color: var(--brand-orange);
            line-height: 1;
            margin-bottom: 10px;
            display: inline-block;
        }

        .guide-step-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--brand-black);
            margin-bottom: 8px;
        }

        .guide-step-desc {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
        }

        /* Subscribe Form */
        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            height: 48px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-btn);
            padding: 0 16px;
            font-size: 15px;
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.06);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }

        .subscribe-form input:focus {
            border-color: var(--brand-orange);
            box-shadow: 0 0 0 3px rgba(255, 77, 46, 0.22);
            outline: none;
            background-color: rgba(255, 255, 255, 0.1);
        }

        /* Accordion Custom */
        .accordion-section {
            max-width: 780px;
            margin: 0 auto;
        }

        .accordion-section .accordion {
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            background: #FFFFFF;
        }

        .accordion-section .accordion-item {
            border-bottom: 1px solid var(--card-border);
        }

        .accordion-section .accordion-item:last-child {
            border-bottom: none;
        }

        .accordion-section .accordion-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 16px 20px;
            background: #FFFFFF;
            border: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all var(--transition-fast);
        }

        .accordion-section .accordion-title:hover {
            color: var(--brand-orange);
            background-color: rgba(255, 77, 46, 0.03);
        }

        .accordion-section .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 700;
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .accordion-section .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
            color: var(--brand-orange);
        }

        .accordion-section .accordion-content {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            padding: 0 20px 18px;
            border: none;
            background: #FFFFFF;
        }

        /* Related Cards */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 18px;
        }

        .related-card {
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            padding: 22px 18px;
            text-align: left;
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .related-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(255, 77, 46, 0.25);
        }

        .related-card .related-icon {
            font-size: 24px;
            color: var(--brand-orange);
            margin-bottom: 4px;
        }

        .related-card .related-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--brand-black);
        }

        .related-card .related-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .related-card .related-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-orange);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 6px;
            transition: gap var(--transition-fast);
        }

        .related-card .related-link:hover {
            gap: 10px;
            color: var(--brand-orange-dark);
        }

        /* Footer */
        .site-footer {
            background-color: var(--brand-black);
            color: #C5CBD1;
            padding: 56px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
            display: inline-flex;
            align-items: center;
            gap: 2px;
        }

        .footer-logo span {
            color: var(--brand-orange);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #9CA6AF;
            max-width: 320px;
        }

        .footer-column-title {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: #9CA6AF;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--brand-orange);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: #7A848E;
        }

        .footer-bottom a {
            color: #7A848E;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--brand-orange);
        }

        /* Mobile bottom spacing for potential fixed bars */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .footer-brand {
                grid-column: 1 / -1;
                max-width: 480px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 48px 0;
            }

            .section {
                padding: var(--section-padding);
            }

            .section-sm {
                padding: 32px 0;
            }

            .section-title {
                font-size: 25px;
            }

            .category-header {
                padding: 32px 0 24px;
            }

            .category-header h1 {
                font-size: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-brand {
                grid-column: auto;
                max-width: 100%;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 640px) {
            .header-top-inner {
                padding: 10px 0;
                gap: 10px;
                flex-wrap: nowrap;
            }

            .header-logo {
                font-size: 20px;
            }

            .header-search {
                display: none;
            }

            .header-actions {
                display: none;
            }

            .header-burger {
                display: flex;
            }

            .header-channel-row {
                display: none;
                padding: 8px 0;
                border-top: 1px solid var(--card-border);
            }

            .header-channel-row.open {
                display: block;
            }

            .header-nav-links {
                flex-direction: column;
                gap: 2px;
                padding: 4px 0;
            }

            .header-nav-links a {
                padding: 12px 0;
                border-bottom: none;
                font-size: 15px;
            }

            .header-nav-links a.active {
                color: var(--brand-orange);
                font-weight: 700;
            }

            .live-grid {
                grid-template-columns: 1fr;
            }

            .live-card-matchup {
                font-size: 18px;
            }

            .schedule-item {
                min-width: 160px;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form input {
                width: 100%;
                min-width: 0;
            }

            .subscribe-form .btn {
                width: 100%;
            }

            .guide-steps {
                grid-template-columns: 1fr;
            }

            .caster-grid {
                grid-template-columns: 1fr;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 420px) {
            .category-header h1 {
                font-size: 24px;
            }

            .live-card-footer {
                flex-direction: column;
                align-items: flex-start;
            }

            .live-card-footer .btn {
                width: 100%;
            }
        }