/* roulang page: index */
:root {
            --primary: #0F1419;
            --primary-light: #1A1F26;
            --accent: #C8A44E;
            --accent-hover: #D9B85C;
            --accent-soft: rgba(200, 164, 78, 0.12);
            --text: #E8E6E3;
            --text-strong: #FFFFFF;
            --text-muted: #8B939D;
            --text-weak: #5F6874;
            --bg-page: #0A0E13;
            --bg-card: #151A21;
            --bg-card-hover: #1C222B;
            --bg-elevated: #1E2430;
            --border: #252B34;
            --border-light: #313946;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
            --shadow: 0 4px 20px rgba(0,0,0,0.45);
            --shadow-lg: 0 8px 40px rgba(0,0,0,0.55);
            --shadow-glow: 0 0 40px rgba(200,164,78,0.08);
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1260px;
            --nav-height: 64px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-page);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button, input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul, ol {
            list-style: none;
        }
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* Container */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 20, 25, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(15, 20, 25, 0.96);
            box-shadow: var(--shadow);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .nav-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-strong);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition);
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--accent);
        }
        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0F1419;
            font-weight: 900;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .nav-center {
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .nav-link {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-link:hover {
            color: var(--text);
            background: rgba(255,255,255,0.04);
        }
        .nav-link.active {
            color: var(--accent);
            background: var(--accent-soft);
            font-weight: 600;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 8px 16px;
            transition: all var(--transition);
            min-width: 180px;
        }
        .nav-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200,164,78,0.08);
        }
        .nav-search i {
            color: var(--text-weak);
            font-size: 0.85rem;
        }
        .nav-search input {
            background: transparent;
            color: var(--text);
            width: 100%;
            font-size: 0.875rem;
        }
        .nav-search input::placeholder {
            color: var(--text-weak);
        }
        .btn-nav-cta {
            background: var(--accent);
            color: #0F1419;
            padding: 9px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.875rem;
            white-space: nowrap;
            transition: all var(--transition);
            cursor: pointer;
            letter-spacing: 0.01em;
        }
        .btn-nav-cta:hover {
            background: var(--accent-hover);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }
        .btn-nav-cta:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--text);
            cursor: pointer;
            font-size: 1.3rem;
            transition: background var(--transition);
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            background: rgba(255,255,255,0.06);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-page);
            z-index: 999;
            padding: 24px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            padding: 14px 16px;
            font-size: 1rem;
            border-radius: var(--radius);
        }
        .mobile-menu .btn-nav-cta {
            margin-top: 12px;
            text-align: center;
            padding: 13px 24px;
            font-size: 0.95rem;
        }
        @media (max-width: 860px) {
            .nav-center { display: none; }
            .nav-search { display: none; }
            .btn-nav-cta.desktop-only { display: none; }
            .mobile-toggle { display: flex; }
            .nav-right { gap: 6px; }
        }
        @media (min-width: 861px) {
            .mobile-menu { display: none !important; }
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--primary);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,14,19,0.55) 0%, rgba(10,14,19,0.78) 40%, rgba(10,14,19,0.94) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-soft);
            border: 1px solid rgba(200,164,78,0.25);
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--text-strong);
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
        }
        .hero-title .accent-word {
            color: var(--accent);
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 540px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        @media (max-width: 768px) {
            .hero-section { min-height: 460px; }
            .hero-content { padding: 56px 0; }
            .hero-title { font-size: 2.1rem; }
            .hero-desc { font-size: 1rem; }
        }
        @media (max-width: 520px) {
            .hero-title { font-size: 1.7rem; }
            .hero-desc { font-size: 0.9rem; }
            .hero-actions { flex-direction: column; }
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.01em;
            white-space: nowrap;
            text-align: center;
        }
        .btn-primary {
            background: var(--accent);
            color: #0F1419;
            box-shadow: 0 2px 12px rgba(200,164,78,0.25);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 24px rgba(200,164,78,0.35);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 1px 6px rgba(200,164,78,0.2);
        }
        .btn-outline {
            background: transparent;
            color: var(--text);
            border: 1.5px solid var(--border-light);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-soft);
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-lg {
            padding: 15px 36px;
            font-size: 1.05rem;
            border-radius: 30px;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.825rem;
            border-radius: 22px;
        }

        /* Section */
        .section {
            padding: 72px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-strong);
            letter-spacing: -0.015em;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section { padding: 48px 0; }
            .section-title { font-size: 1.65rem; }
            .section-header { margin-bottom: 32px; }
        }
        @media (max-width: 520px) {
            .section-title { font-size: 1.4rem; }
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }
        @media (max-width: 520px) {
            .cards-grid { grid-template-columns: 1fr; gap: 16px; }
        }

        /* Feature Card */
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition-slow);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 100px;
            height: 100px;
            background: var(--accent);
            opacity: 0.03;
            border-radius: 50%;
            transition: all var(--transition-slow);
        }
        .feature-card:hover {
            border-color: var(--border-light);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }
        .feature-card:hover::before {
            opacity: 0.06;
            transform: scale(1.4);
        }
        .feature-card .card-icon {
            width: 50px;
            height: 50px;
            background: var(--accent-soft);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.3rem;
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* Category Entry Card */
        .category-entry {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 24px;
        }
        .category-main-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 340px;
            cursor: pointer;
            transition: all var(--transition-slow);
            border: 1px solid var(--border);
        }
        .category-main-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border-light);
        }
        .category-main-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            z-index: 0;
            transition: transform var(--transition-slow);
        }
        .category-main-card:hover img {
            transform: scale(1.04);
        }
        .category-main-card .cat-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(10,14,19,0.92) 0%, rgba(10,14,19,0.3) 60%, rgba(10,14,19,0.1) 100%);
            z-index: 1;
        }
        .category-main-card .cat-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 2;
            padding: 28px;
        }
        .category-main-card .cat-tag {
            display: inline-block;
            background: var(--accent);
            color: #0F1419;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }
        .category-main-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 4px;
        }
        .category-main-card p {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
        }
        .category-side-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px;
            transition: all var(--transition-slow);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .category-side-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .category-side-card .side-card-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: var(--radius);
            margin-bottom: 8px;
        }
        .category-side-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-strong);
        }
        .category-side-card p {
            font-size: 0.825rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        @media (max-width: 860px) {
            .category-entry {
                grid-template-columns: 1fr 1fr;
            }
            .category-main-card {
                grid-column: 1 / -1;
                min-height: 260px;
            }
        }
        @media (max-width: 520px) {
            .category-entry {
                grid-template-columns: 1fr;
            }
            .category-main-card { min-height: 220px; }
            .category-side-card .side-card-img { height: 110px; }
        }

        /* News List */
        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 20px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .news-card .news-thumb {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-card:hover .news-thumb {
            transform: scale(1.03);
        }
        .news-card .news-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-card .news-category-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .news-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-strong);
            line-height: 1.45;
        }
        .news-card .news-excerpt {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
            flex: 1;
        }
        .news-card .news-meta {
            font-size: 0.78rem;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 4px;
        }
        .news-empty {
            text-align: center;
            padding: 48px 20px;
            color: var(--text-muted);
            font-size: 1rem;
            grid-column: 1 / -1;
        }
        @media (max-width: 520px) {
            .news-list { grid-template-columns: 1fr; }
            .news-card .news-thumb { height: 170px; }
        }

        /* Stats */
        .stats-section {
            background: var(--primary-light);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item {
            padding: 20px;
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        @media (max-width: 768px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .stat-number { font-size: 2.2rem; }
        }
        @media (max-width: 520px) {
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stat-number { font-size: 1.8rem; }
        }

        /* Highlight */
        .highlight-row {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 56px;
        }
        .highlight-row:last-child { margin-bottom: 0; }
        .highlight-row.reverse {
            flex-direction: row-reverse;
        }
        .highlight-img-wrap {
            flex: 0 0 48%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            position: relative;
        }
        .highlight-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16 / 11;
            transition: transform var(--transition-slow);
        }
        .highlight-img-wrap:hover img {
            transform: scale(1.03);
        }
        .highlight-text {
            flex: 1;
        }
        .highlight-text .hl-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .highlight-text h3 {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .highlight-text p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .highlight-text .hl-metrics {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hl-metric {
            text-align: center;
            min-width: 60px;
        }
        .hl-metric .hl-val {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
        }
        .hl-metric .hl-lbl {
            font-size: 0.75rem;
            color: var(--text-weak);
        }
        @media (max-width: 860px) {
            .highlight-row, .highlight-row.reverse {
                flex-direction: column;
                gap: 24px;
            }
            .highlight-img-wrap { flex: 0 0 auto; width: 100%; }
            .highlight-text h3 { font-size: 1.35rem; }
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item summary {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-strong);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            transition: color var(--transition);
        }
        .faq-item summary:hover {
            color: var(--accent);
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.75rem;
            color: var(--text-weak);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary {
            color: var(--accent);
            border-bottom: 1px solid var(--border);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-item .faq-answer {
            padding: 18px 22px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: var(--primary-light);
            border-top: 1px solid var(--border);
            text-align: center;
            padding: 72px 0;
        }
        .cta-section .section-title {
            font-size: 2rem;
        }
        .cta-section .section-subtitle {
            margin-bottom: 28px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            border-top: 1px solid var(--border);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-weak);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* Animations */
        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(24px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .animate-fade-up {
            animation: fadeUp 0.6s ease-out forwards;
        }

        /* Scrollbar */
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: var(--bg-page); }
        ::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--text-weak); }

/* roulang page: article */
:root {
            --color-primary: #1a1f2e;
            --color-primary-light: #252d3f;
            --color-accent: #c9a96e;
            --color-accent-hover: #d4b87a;
            --color-accent-light: #f5efe0;
            --color-red: #c0392b;
            --color-red-light: #fdecea;
            --color-bg: #ffffff;
            --color-bg-alt: #f5f6f8;
            --color-bg-dark: #0f1923;
            --color-text: #1a1a1a;
            --color-text-secondary: #6b7280;
            --color-text-light: #9ca3af;
            --color-text-on-dark: #e5e7eb;
            --color-border: #e5e7eb;
            --color-border-light: #f0f1f3;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);
            --max-width: 1200px;
            --content-width: 720px;
            --header-height: 68px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        button, input {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.97);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.01em;
        }

        .nav-logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, #2c3a5a 100%);
            color: var(--color-accent);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-center {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }

        .nav-link.active {
            color: var(--color-primary);
            background: var(--color-accent-light);
            font-weight: 600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--color-bg-alt);
            border: 1px solid var(--color-border);
            border-radius: 24px;
            padding: 7px 15px;
            transition: all var(--transition-fast);
            width: 190px;
        }

        .nav-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201,169,110,0.12);
            background: #fff;
        }

        .nav-search i {
            color: var(--color-text-light);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.88rem;
            color: var(--color-text);
            width: 100%;
        }

        .nav-search input::placeholder {
            color: var(--color-text-light);
        }

        .btn-nav-cta {
            padding: 9px 20px;
            border-radius: 24px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 2px solid var(--color-primary);
        }

        .btn-nav-cta:hover {
            background: #252d3f;
            border-color: #252d3f;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-nav-cta:active {
            transform: translateY(0);
        }

        .mobile-toggle {
            display: none;
            font-size: 1.3rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 8px;
            box-shadow: var(--shadow-lg);
            z-index: 999;
        }

        .mobile-menu.active {
            display: flex;
        }

        .mobile-menu .nav-link {
            padding: 12px 16px;
            font-size: 1rem;
        }

        .desktop-only {
            display: inline-flex;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border-light);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--color-text-light);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
            max-width: 360px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* Article Hero Banner */
        .article-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: flex-end;
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                rgba(15,25,35,0.55) 0%,
                rgba(15,25,35,0.75) 40%,
                rgba(15,25,35,0.92) 100%);
            z-index: 1;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 30% 20%, rgba(201,169,110,0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 60%, rgba(255,255,255,0.03) 0%, transparent 50%);
            z-index: 1;
        }

        .article-hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 48px 0 40px;
            color: #fff;
        }

        .article-hero-content .container {
            max-width: var(--content-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(201,169,110,0.2);
            border: 1px solid rgba(201,169,110,0.35);
            color: var(--color-accent);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 18px;
        }

        .article-hero h1 {
            font-size: 2.25rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
            color: #fff;
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.75);
        }

        .article-meta-row time {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta-row i {
            font-size: 0.8rem;
            opacity: 0.7;
        }

        /* Article Body Section */
        .article-body-section {
            padding: 48px 0 60px;
            background: var(--color-bg);
        }

        .article-body-section .container {
            max-width: var(--content-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Summary Card */
        .article-summary-card {
            background: #fff;
            border-left: 4px solid var(--color-accent);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 24px 28px;
            margin-bottom: 36px;
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .article-summary-card::before {
            content: '"';
            position: absolute;
            top: -18px;
            left: 16px;
            font-size: 5rem;
            color: var(--color-accent);
            opacity: 0.2;
            font-family: Georgia, serif;
            line-height: 1;
            pointer-events: none;
        }

        .article-summary-card .summary-label {
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        .article-summary-card p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            position: relative;
            z-index: 1;
        }

        /* Highlights tags */
        .article-highlights {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
        }

        .highlight-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 7px 15px;
            background: var(--color-accent-light);
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            color: #7a6320;
            white-space: nowrap;
        }

        .highlight-tag i {
            font-size: 0.7rem;
            color: var(--color-accent);
        }

        /* Article Content */
        .article-content {
            font-size: 1.08rem;
            line-height: 1.9;
            color: var(--color-text);
        }

        .article-content p {
            margin-bottom: 1.5em;
        }

        .article-content h2 {
            font-size: 1.55rem;
            font-weight: 700;
            margin: 2em 0 0.8em;
            color: var(--color-primary);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-border-light);
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 1.6em 0 0.6em;
            color: var(--color-primary);
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.8em 0;
            box-shadow: var(--shadow-md);
            width: 100%;
        }

        .article-content blockquote {
            margin: 2em 0;
            padding: 20px 28px;
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            border-radius: var(--radius-md);
            font-style: italic;
            position: relative;
        }

        .article-content blockquote::before {
            content: '\201C';
            position: absolute;
            top: -8px;
            left: 16px;
            font-size: 3.5rem;
            color: var(--color-accent);
            opacity: 0.5;
            font-family: Georgia, serif;
            line-height: 1;
        }

        .article-content ul, .article-content ol {
            margin: 1.2em 0;
            padding-left: 1.6em;
        }

        .article-content ul {
            list-style: disc;
        }

        .article-content ol {
            list-style: decimal;
        }

        .article-content li {
            margin-bottom: 0.5em;
        }

        .article-content strong {
            color: var(--color-primary);
            font-weight: 650;
        }

        .article-content a {
            color: var(--color-accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: #a8872e;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8em 0;
            font-size: 0.95rem;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .article-content table th {
            background: var(--color-primary);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }

        .article-content table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--color-border-light);
            background: #fff;
        }

        .article-content table tr:nth-child(even) td {
            background: var(--color-bg-alt);
        }

        /* Not Found State */
        .not-found-section {
            padding: 80px 0 100px;
            text-align: center;
            background: var(--color-bg);
        }

        .not-found-icon {
            font-size: 5rem;
            color: var(--color-text-light);
            margin-bottom: 20px;
            opacity: 0.6;
        }

        .not-found-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .not-found-section p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            border: 2px solid var(--color-primary);
        }

        .btn-back:hover {
            background: #252d3f;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* More Reviews Section */
        .more-reviews {
            padding: 56px 0 70px;
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border-light);
        }

        .more-reviews .section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .more-reviews .section-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .more-reviews .section-header p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
        }

        .review-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }

        .review-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }

        .review-card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .review-card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .review-card-tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        .review-card h3 {
            font-size: 1.05rem;
            font-weight: 650;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .review-card p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }

        .review-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-accent);
            transition: gap var(--transition-fast);
        }

        .review-card .card-link:hover {
            gap: 9px;
        }

        /* CTA Section */
        .cta-section {
            padding: 56px 0;
            background: var(--color-primary);
            text-align: center;
        }

        .cta-section h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .cta-section p {
            color: rgba(255,255,255,0.75);
            margin-bottom: 24px;
            font-size: 1rem;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            background: var(--color-accent);
            color: var(--color-primary);
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            border: none;
        }

        .btn-cta:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201,169,110,0.35);
        }

        /* Footer */
        .site-footer {
            background: #0f1923;
            color: rgba(255,255,255,0.7);
            padding: 52px 0 0;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 650;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.6);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.45);
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.5);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .article-hero {
                min-height: 300px;
            }

            .article-hero h1 {
                font-size: 1.75rem;
            }

            .review-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

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

            .nav-search {
                width: 140px;
            }
        }

        @media (max-width: 768px) {
            .nav-center {
                display: none;
            }

            .desktop-only {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .nav-search {
                width: 130px;
            }

            .article-hero {
                min-height: 260px;
            }

            .article-hero h1 {
                font-size: 1.45rem;
            }

            .article-hero-content {
                padding: 36px 0 28px;
            }

            .article-body-section {
                padding: 32px 0 44px;
            }

            .article-summary-card {
                padding: 18px 20px;
            }

            .article-content {
                font-size: 1rem;
            }

            .review-cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .review-card-image {
                height: 180px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .breadcrumb {
                font-size: 0.78rem;
            }

            .breadcrumb .current {
                max-width: 200px;
            }

            .article-meta-row {
                font-size: 0.82rem;
                gap: 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .header-inner {
                gap: 12px;
            }

            .nav-logo {
                font-size: 1.05rem;
            }

            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }

            .nav-search {
                width: 100px;
                padding: 6px 10px;
                gap: 4px;
            }

            .nav-search input {
                font-size: 0.78rem;
            }

            .article-hero {
                min-height: 220px;
            }

            .article-hero h1 {
                font-size: 1.25rem;
            }

            .article-hero-content {
                padding: 28px 0 20px;
            }

            .article-category-tag {
                font-size: 0.72rem;
                padding: 4px 10px;
                margin-bottom: 12px;
            }

            .article-meta-row {
                font-size: 0.76rem;
                gap: 8px;
            }

            .article-body-section {
                padding: 24px 0 36px;
            }

            .article-body-section .container {
                padding: 0 16px;
            }

            .article-summary-card {
                padding: 14px 16px;
                border-left-width: 3px;
            }

            .article-summary-card p {
                font-size: 0.92rem;
            }

            .article-content {
                font-size: 0.95rem;
                line-height: 1.8;
            }

            .article-content h2 {
                font-size: 1.25rem;
            }

            .article-content h3 {
                font-size: 1.08rem;
            }

            .cta-section h2 {
                font-size: 1.25rem;
            }

            .more-reviews .section-header h2 {
                font-size: 1.3rem;
            }

            .review-card-image {
                height: 160px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1B1F3B;
            --color-primary-light: #252B4A;
            --color-accent: #C8963E;
            --color-accent-light: #E8A840;
            --color-accent-glow: #F5C462;
            --color-bg: #FAFAF8;
            --color-bg-alt: #F2F0EC;
            --color-card: #FFFFFF;
            --color-text: #1A1A1A;
            --color-text-soft: #6B7280;
            --color-text-muted: #9CA3AF;
            --color-border: #E5E2DC;
            --color-dark-section: #111624;
            --color-dark-card: #1A1F30;
            --color-rating-star: #E8A840;
            --color-tag-football: #2563EB;
            --color-tag-basketball: #EA580C;
            --color-tag-esports: #7C3AED;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --container-max: 1200px;
            --container-narrow: 960px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 72px 0;
        }

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

        .section-lg {
            padding: 96px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            margin: 0 0 40px;
            line-height: 1.6;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .accent-line {
            display: inline-block;
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 4px;
            margin-bottom: 12px;
        }

        /* ===== HEADER ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 62px;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .nav-logo:hover {
            opacity: 0.82;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1rem;
        }

        .nav-center {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(0, 0, 0, 0.03);
        }

        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(200, 150, 62, 0.08);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--color-bg-alt);
            border: 1px solid var(--color-border);
            border-radius: 24px;
            padding: 8px 16px;
            transition: all var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.1);
            background: #fff;
        }

        .nav-search i {
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }

        .nav-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--color-text);
            width: 140px;
        }

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

        .btn-nav-cta {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 9px 20px;
            border-radius: 24px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.25);
        }

        .btn-nav-cta:hover {
            background: var(--color-accent-light);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
            transform: translateY(-1px);
        }

        .btn-nav-cta:active {
            transform: scale(0.97);
        }

        .mobile-toggle {
            display: none;
            background: none;
            font-size: 1.3rem;
            color: var(--color-primary);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 12px 20px 20px;
            background: #fff;
            border-top: 1px solid var(--color-border);
            gap: 4px;
        }

        .mobile-menu .nav-link {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
        }

        .mobile-menu .btn-nav-cta {
            margin-top: 8px;
            text-align: center;
            display: block;
            border-radius: var(--radius-sm);
            padding: 12px;
        }

        @media (max-width: 768px) {
            .nav-center {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .desktop-only {
                display: none;
            }
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .mobile-menu.open {
                display: flex;
            }
            .header-inner {
                height: 56px;
            }
        }

        @media (min-width: 769px) {
            .mobile-menu {
                display: none !important;
            }
        }

        /* ===== CATEGORY HERO ===== */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(27, 31, 59, 0.78) 0%,
                    rgba(27, 31, 59, 0.88) 60%,
                    rgba(17, 22, 36, 0.94) 100%);
            z-index: 1;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 150px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.35), transparent);
            z-index: 1;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 60px 0 50px;
        }

        .category-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(200, 150, 62, 0.2);
            border: 1px solid rgba(200, 150, 62, 0.35);
            color: var(--color-accent-glow);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .category-hero-title {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin: 0 0 16px;
        }

        .category-hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 600px;
            line-height: 1.7;
            margin: 0 0 24px;
        }

        .category-hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-value {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent-glow);
            letter-spacing: -0.02em;
        }

        .hero-stat-value .star-icon {
            color: var(--color-rating-star);
            font-size: 1.3rem;
            margin-left: 2px;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        @media (max-width: 768px) {
            .category-hero {
                min-height: 340px;
            }
            .category-hero-title {
                font-size: 2rem;
            }
            .category-hero-desc {
                font-size: 0.95rem;
            }
            .category-hero-stats {
                gap: 20px;
            }
            .hero-stat-value {
                font-size: 1.5rem;
            }
            .category-hero-content {
                padding: 40px 0 36px;
            }
        }

        @media (max-width: 520px) {
            .category-hero {
                min-height: 300px;
            }
            .category-hero-title {
                font-size: 1.6rem;
            }
            .category-hero-badge {
                font-size: 0.75rem;
                padding: 4px 12px;
            }
            .hero-stat-value {
                font-size: 1.25rem;
            }
            .hero-stat-label {
                font-size: 0.75rem;
            }
        }

        /* ===== METRICS CARDS ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -30px;
            position: relative;
            z-index: 10;
        }

        .metric-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            position: relative;
        }

        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .metric-icon-wrap {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            margin-bottom: 14px;
            font-size: 1.3rem;
        }

        .metric-icon-wrap.icon-data {
            background: #EFF6FF;
            color: #2563EB;
        }
        .metric-icon-wrap.icon-analysis {
            background: #FFF7ED;
            color: #EA580C;
        }
        .metric-icon-wrap.icon-speed {
            background: #F0FDF4;
            color: #16A34A;
        }
        .metric-icon-wrap.icon-trust {
            background: #FEFCE8;
            color: #CA8A04;
        }

        .metric-card h3 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
        }

        .metric-card p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
                margin-top: -20px;
            }
            .metric-card {
                padding: 20px 16px;
            }
            .metric-card h3 {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                margin-top: -16px;
            }
            .metric-card {
                padding: 16px 12px;
                border-radius: var(--radius-md);
            }
            .metric-icon-wrap {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .metric-card h3 {
                font-size: 0.85rem;
            }
            .metric-card p {
                font-size: 0.75rem;
            }
        }

        /* ===== REVIEW ARTICLE CARDS ===== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

        .review-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: transparent;
        }

        .review-card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-bg-alt);
        }

        .review-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .review-card:hover .review-card-img img {
            transform: scale(1.06);
        }

        .review-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 14px;
            color: #fff;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .tag-football {
            background: var(--color-tag-football);
        }
        .tag-basketball {
            background: var(--color-tag-basketball);
        }
        .tag-esports {
            background: var(--color-tag-esports);
        }

        .review-card-rating-overlay {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(6px);
            color: var(--color-accent-glow);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 5px 10px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            gap: 4px;
            z-index: 2;
        }

        .review-card-rating-overlay i {
            font-size: 0.7rem;
            color: var(--color-rating-star);
        }

        .review-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .review-card-body h3 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .review-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            margin: 0 0 14px;
            line-height: 1.55;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .review-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 12px;
        }

        .review-card-meta .reviewer {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .review-card-meta .avatar-dot {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.65rem;
            color: var(--color-text-soft);
            border: 1px solid var(--color-border);
        }

        @media (max-width: 1024px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 520px) {
            .review-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .review-card-body h3 {
                font-size: 0.95rem;
            }
            .review-card-body p {
                font-size: 0.82rem;
            }
        }

        /* ===== RANKING LIST ===== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 16px 20px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-xs);
        }

        .ranking-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(3px);
        }

        .ranking-num {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-text-muted);
            min-width: 40px;
            text-align: center;
            flex-shrink: 0;
        }

        .ranking-item:nth-child(1) .ranking-num {
            color: var(--color-accent);
        }
        .ranking-item:nth-child(2) .ranking-num {
            color: #9CA3AF;
        }
        .ranking-item:nth-child(3) .ranking-num {
            color: #B88A5C;
        }

        .ranking-content {
            flex: 1;
            min-width: 0;
        }

        .ranking-content h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0 0 3px;
        }

        .ranking-content p {
            font-size: 0.82rem;
            color: var(--color-text-soft);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-score {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-accent);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 3px;
        }

        .ranking-score i {
            font-size: 0.75rem;
            color: var(--color-rating-star);
        }

        @media (max-width: 520px) {
            .ranking-item {
                padding: 12px 14px;
                gap: 10px;
            }
            .ranking-num {
                font-size: 1.2rem;
                min-width: 28px;
            }
            .ranking-content h4 {
                font-size: 0.9rem;
            }
            .ranking-content p {
                font-size: 0.75rem;
            }
            .ranking-score {
                font-size: 1rem;
            }
        }

        /* ===== COMPARISON TABLE ===== */
        .comparison-section {
            background: var(--color-dark-section);
            color: #fff;
            padding: 72px 0;
        }

        .comparison-section .section-title {
            color: #fff;
        }

        .comparison-section .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        .comparison-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            min-width: 700px;
        }

        .comparison-table th,
        .comparison-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.92rem;
        }

        .comparison-table th {
            background: var(--color-dark-card);
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            font-family: var(--font-heading);
            white-space: nowrap;
        }

        .comparison-table th:first-child {
            border-radius: var(--radius-md) 0 0 0;
        }

        .comparison-table th:last-child {
            border-radius: 0 var(--radius-md) 0 0;
        }

        .comparison-table td {
            color: rgba(255, 255, 255, 0.75);
        }

        .comparison-table tr:hover td {
            background: rgba(255, 255, 255, 0.025);
        }

        .comparison-score-cell {
            font-weight: 700;
            color: var(--color-accent-glow) !important;
        }

        .comparison-score-cell i {
            font-size: 0.7rem;
            color: var(--color-rating-star);
        }

        @media (max-width: 768px) {
            .comparison-section {
                padding: 48px 0;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 10px 14px;
                font-size: 0.8rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-xs);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: none;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            text-align: left;
            gap: 12px;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(0, 0, 0, 0.015);
        }

        .faq-question i {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-fast);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            text-align: center;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(200, 150, 62, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin: 0 0 12px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            margin: 0 0 28px;
        }

        .btn-cta-large {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: 28px;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 20px rgba(200, 150, 62, 0.35);
        }

        .btn-cta-large:hover {
            background: var(--color-accent-light);
            box-shadow: 0 8px 30px rgba(200, 150, 62, 0.5);
            transform: translateY(-2px);
        }

        @media (max-width: 520px) {
            .cta-section {
                padding: 44px 0;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .btn-cta-large {
                font-size: 0.9rem;
                padding: 12px 28px;
            }
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--color-dark-section);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            margin: 0 0 14px;
        }

        .footer-col p {
            font-size: 0.85rem;
            line-height: 1.65;
            margin: 0;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-glow);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a:hover {
            color: var(--color-accent-glow);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ===== BREADCRUMB ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            padding: 16px 0;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--color-border);
            font-size: 0.7rem;
        }

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

        /* ===== Utility ===== */
        .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;
        }

        .highlight-accent {
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-lg {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 28px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }