/* roulang page: index */
:root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --accent: #e94560;
            --accent-hover: #d13652;
            --accent-glow: rgba(233, 69, 96, 0.25);
            --gold: #f0a500;
            --gold-light: #f8c94e;
            --surface: #ffffff;
            --surface-alt: #f8fafc;
            --surface-dark: #0f0f1a;
            --text: #1e1e2e;
            --text-soft: #4a4a5e;
            --text-muted: #7c7c94;
            --text-inverse: #f1f1f5;
            --border: #e4e4ed;
            --border-light: #f0f0f5;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 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);
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            --container-max: 1240px;
            --container-narrow: 860px;
            --nav-height: 68px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        *,
        *::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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--surface-alt);
            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 {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
        }

        p {
            margin: 0;
        }

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

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

        .container--narrow {
            max-width: var(--container-narrow);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 26, 46, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-lg);
            background: rgba(26, 26, 46, 0.99);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: #ffffff;
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #ff6b81);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            color: #fff;
            box-shadow: 0 4px 14px var(--accent-glow);
        }

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

        .header-nav a {
            display: flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 20px;
            color: #cfcfe0;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .header-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.07);
        }

        .header-nav a.active {
            color: #ffffff;
            background: rgba(233, 69, 96, 0.2);
            font-weight: 600;
        }

        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

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

        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 22px;
            padding: 7px 16px;
            gap: 8px;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .header-search:focus-within {
            background: rgba(255, 255, 255, 0.13);
            border-color: rgba(255, 255, 255, 0.25);
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.04);
        }

        .header-search input {
            background: transparent;
            border: none;
            color: #fff;
            font-size: 0.9rem;
            width: 150px;
            transition: width var(--transition);
        }

        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .header-search input:focus {
            width: 200px;
        }

        .header-search .search-icon {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
            padding: 10px 22px;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px var(--accent-glow);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 22px rgba(233, 69, 96, 0.4);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn-lg {
            padding: 13px 32px;
            border-radius: 26px;
            font-size: 1rem;
            letter-spacing: -0.01em;
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            color: #1a1a2e;
            font-weight: 700;
            box-shadow: 0 4px 18px rgba(240, 165, 0, 0.35);
        }

        .btn-gold:hover {
            box-shadow: 0 8px 28px rgba(240, 165, 0, 0.5);
            transform: translateY(-2px);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            color: #fff;
            font-size: 1.4rem;
            padding: 6px;
            border-radius: var(--radius-sm);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #0a0a1a 0%, #1a1a2e 35%, #16213e 70%, #0f0f1a 100%);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            mix-blend-mode: overlay;
        }

        .hero-particles {
            position: absolute;
            inset: 0;
            z-index: 1;
            pointer-events: none;
            background: radial-gradient(ellipse at 30% 50%, rgba(233, 69, 96, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(240, 165, 0, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 60% 80%, rgba(100, 140, 255, 0.06) 0%, transparent 50%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
            padding: 80px 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(233, 69, 96, 0.15);
            border: 1px solid rgba(233, 69, 96, 0.3);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 0.85rem;
            color: #ff8a9e;
            font-weight: 500;
            margin-bottom: 20px;
            animation: fadeInUp 0.6s ease;
        }

        .hero-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(233, 69, 96, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(233, 69, 96, 0);
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-title {
            font-size: clamp(2.4rem, 4.5vw, 3.4rem);
            font-weight: 900;
            color: #ffffff;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: 18px;
            animation: fadeInUp 0.6s ease 0.1s both;
        }

        .hero-title .accent {
            background: linear-gradient(135deg, var(--accent), #ff6b81, #ff8a9e);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: #c8c8dc;
            line-height: 1.8;
            margin-bottom: 32px;
            animation: fadeInUp 0.6s ease 0.2s both;
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            animation: fadeInUp 0.6s ease 0.3s both;
        }

        .hero-stats {
            display: flex;
            gap: 36px;
            margin-top: 40px;
            animation: fadeInUp 0.6s ease 0.35s both;
        }

        .hero-stat {
            text-align: center;
        }

        .hero-stat .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .hero-stat .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 2px;
        }

        /* Sections */
        .section {
            padding: var(--section-gap) 0;
        }

        .section--alt {
            background: var(--surface);
        }

        .section--dark {
            background: var(--surface-dark);
            color: var(--text-inverse);
        }

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

        .section-header .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-size: clamp(1.6rem, 2.8vw, 2.2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text);
        }

        .section--dark .section-header h2 {
            color: #fff;
        }

        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-top: 8px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .section--dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.55);
        }

        /* Feature Grid */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--gold));
            opacity: 0;
            transition: opacity var(--transition);
            border-radius: 0 0 6px 6px;
        }

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

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            background: linear-gradient(135deg, rgba(233, 69, 96, 0.1), rgba(240, 165, 0, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.4rem;
            color: var(--accent);
            transition: all var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            box-shadow: 0 6px 20px var(--accent-glow);
            transform: scale(1.06);
        }

        .feature-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }

        .feature-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Category Cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .category-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .category-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

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

        .category-card .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 14px;
            letter-spacing: 0.03em;
        }

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

        .category-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .category-card .card-body .card-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--accent);
            transition: gap var(--transition);
        }

        .card-link:hover {
            gap: 10px;
        }

        /* Content List */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .content-list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--surface);
            border-radius: var(--radius);
            padding: 18px 22px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .content-list-item .item-thumb {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: #eef0f5;
        }

        .content-list-item .item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .content-list-item .item-info {
            flex: 1;
            min-width: 0;
        }

        .content-list-item .item-info h4 {
            font-size: 0.98rem;
            font-weight: 600;
            margin-bottom: 3px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .content-list-item .item-info .item-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .content-list-item .item-arrow {
            color: var(--text-muted);
            transition: color var(--transition);
            flex-shrink: 0;
        }

        .content-list-item:hover .item-arrow {
            color: var(--accent);
        }

        .no-content {
            text-align: center;
            padding: 48px 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border);
        }

        /* Stats Bar */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .stats-bar .stat-item {
            text-align: center;
            padding: 28px 20px;
            position: relative;
        }

        .stats-bar .stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--border-light);
        }

        .stats-bar .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.02em;
        }

        .stats-bar .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 0.98rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition);
            color: var(--text);
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question .faq-icon {
            font-size: 0.75rem;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(150deg, #1a1a2e 0%, #16213e 50%, #0a0a1a 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 40% 60%, rgba(233, 69, 96, 0.18) 0%, transparent 55%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 60px 20px;
        }

        .cta-inner h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            color: #fff;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 1rem;
            margin-bottom: 28px;
        }

        /* Footer */
        .site-footer {
            background: #0d0d1a;
            color: rgba(255, 255, 255, 0.6);
            padding: 40px 0 28px;
            font-size: 0.88rem;
        }

        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .footer-brand {
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
            font-size: 0.85rem;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.35);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar .stat-item:nth-child(2)::after {
                display: none;
            }
            .header-search input {
                width: 100px;
            }
            .header-search input:focus {
                width: 140px;
            }
            .hero-stats {
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
            }
            .header-nav.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(26, 26, 46, 0.98);
                backdrop-filter: blur(16px);
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                z-index: 999;
            }
            .header-nav.mobile-open a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                width: 100%;
                justify-content: center;
            }
            .header-actions .btn-outline {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-search input {
                width: 80px;
            }
            .header-search input:focus {
                width: 110px;
            }
            .hero {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-content {
                padding: 40px 0;
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
            }
            .content-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .content-list-item .item-thumb {
                width: 100%;
                height: 140px;
            }
            .hero-stats {
                gap: 16px;
                flex-wrap: wrap;
            }
            .section {
                padding: var(--section-gap-sm) 0;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: 1fr;
            }
            .stats-bar .stat-item::after {
                display: none;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .header-search {
                display: none;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-stats {
                gap: 10px;
            }
            .hero-stat .stat-num {
                font-size: 1.4rem;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #242450;
            --color-accent: #f0a500;
            --color-accent-hover: #d49400;
            --color-accent-light: #fff3d6;
            --color-bg: #f8f9fb;
            --color-bg-alt: #eef1f7;
            --color-white: #ffffff;
            --color-text: #1e1e2a;
            --color-text-secondary: #5a5d6e;
            --color-text-muted: #8b8fa3;
            --color-border: #e2e5ee;
            --color-border-light: #eef0f5;
            --color-success: #22c55e;
            --color-danger: #ef4444;
            --color-card-shadow: 0 2px 12px rgba(26, 26, 46, 0.06);
            --color-card-shadow-hover: 0 8px 30px rgba(26, 26, 46, 0.12);
            --color-card-shadow-lg: 0 4px 24px rgba(26, 26, 46, 0.08);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-mono: "SF Mono", "Fira Code", "Consolas", "Monaco", monospace;
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1200px;
            --max-width-article: 820px;
            --nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            letter-spacing: 0.01em;
        }

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }

        .container--narrow {
            max-width: var(--max-width-article);
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 20px rgba(26, 26, 46, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: var(--spacing-md);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-accent), #e69500);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

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

        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .header-nav a:hover {
            color: var(--color-primary);
            background: rgba(26, 26, 46, 0.04);
        }

        .header-nav a.active {
            color: var(--color-primary);
            background: rgba(26, 26, 46, 0.07);
            font-weight: 600;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-shrink: 0;
        }

        .btn-header-search {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            font-size: 1.1rem;
        }

        .btn-header-search:hover {
            background: rgba(26, 26, 46, 0.06);
            color: var(--color-primary);
        }

        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--color-accent), #e69500);
            color: #fff;
            font-weight: 600;
            font-size: 0.93rem;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: 0 2px 10px rgba(240, 165, 0, 0.25);
        }

        .btn-header-cta:hover {
            background: linear-gradient(135deg, var(--color-accent-hover), #c88000);
            box-shadow: 0 4px 18px rgba(240, 165, 0, 0.4);
            transform: translateY(-1px);
        }

        .btn-mobile-menu {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-full);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            color: var(--color-text);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .btn-mobile-menu span {
            display: block;
            width: 22px;
            height: 2px;
            background: currentColor;
            border-radius: 2px;
            transition: all var(--transition);
            transform-origin: center;
        }

        .btn-mobile-menu.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .btn-mobile-menu.open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .btn-mobile-menu.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            z-index: 999;
            flex-direction: column;
            padding: var(--spacing-md);
            gap: 8px;
            overflow-y: auto;
        }

        .mobile-nav-overlay.open {
            display: flex;
        }

        .mobile-nav-overlay a {
            display: block;
            padding: 14px 20px;
            border-radius: var(--radius);
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .mobile-nav-overlay a:hover,
        .mobile-nav-overlay a.active {
            background: rgba(26, 26, 46, 0.06);
            color: var(--color-primary);
            font-weight: 600;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background: var(--color-primary-light);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: var(--spacing-2xl) 0;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.82) 0%, rgba(26, 26, 46, 0.6) 100%);
            z-index: 1;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .page-banner-content {
            text-align: center;
            color: #fff;
        }

        .page-banner-content h1 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.02em;
        }

        .page-banner-content .banner-subtitle {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.78);
            font-weight: 400;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: var(--spacing-sm) 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.875rem;
            color: var(--color-text-muted);
        }

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

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

        .breadcrumb .sep {
            color: var(--color-border);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 300px;
        }

        /* Article Layout */
        .article-main {
            flex: 1;
            padding: var(--spacing-xl) 0 var(--spacing-2xl);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: var(--spacing-xl);
            align-items: start;
        }

        /* Article Content */
        .article-content-area {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--color-card-shadow);
            overflow: hidden;
        }

        .article-cover {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            background: var(--color-bg-alt);
        }

        .article-body {
            padding: var(--spacing-lg) var(--spacing-xl);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-md);
            font-size: 0.875rem;
            color: var(--color-text-muted);
        }

        .article-meta .meta-category {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            background: var(--color-accent-light);
            color: #b87800;
            font-weight: 600;
            font-size: 0.82rem;
            transition: all var(--transition-fast);
        }

        .article-meta .meta-category:hover {
            background: #ffe4b0;
            color: #8a5a00;
        }

        .article-meta .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-border);
        }

        .article-body h1.article-title {
            font-size: 1.85rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-primary);
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.015em;
        }

        .article-body .article-text {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }

        .article-body .article-text h2 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-top: var(--spacing-lg);
            margin-bottom: var(--spacing-sm);
            color: var(--color-primary);
        }

        .article-body .article-text h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-xs);
            color: var(--color-text);
        }

        .article-body .article-text p {
            margin-bottom: var(--spacing-sm);
        }

        .article-body .article-text ul,
        .article-body .article-text ol {
            margin-bottom: var(--spacing-sm);
            padding-left: 1.5em;
        }

        .article-body .article-text ul {
            list-style: disc;
        }

        .article-body .article-text ol {
            list-style: decimal;
        }

        .article-body .article-text li {
            margin-bottom: 6px;
        }

        .article-body .article-text blockquote {
            border-left: 4px solid var(--color-accent);
            padding: var(--spacing-sm) var(--spacing-md);
            margin: var(--spacing-md) 0;
            background: var(--color-accent-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #7a5500;
            font-style: italic;
        }

        .article-body .article-text img {
            border-radius: var(--radius);
            margin: var(--spacing-md) 0;
        }

        .article-body .article-text code {
            background: var(--color-bg-alt);
            padding: 2px 8px;
            border-radius: 4px;
            font-family: var(--font-mono);
            font-size: 0.9em;
        }

        .article-body .article-text pre {
            background: var(--color-primary);
            color: #e0e0e0;
            padding: var(--spacing-md);
            border-radius: var(--radius);
            overflow-x: auto;
            margin: var(--spacing-md) 0;
            font-family: var(--font-mono);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .article-footer-meta {
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--color-border-light);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 0.875rem;
            color: var(--color-text-muted);
        }

        .article-footer-meta .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .article-footer-meta .tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            background: var(--color-bg-alt);
            color: var(--color-text-secondary);
            font-size: 0.82rem;
            transition: all var(--transition-fast);
        }

        .article-footer-meta .tag:hover {
            background: var(--color-border);
            color: var(--color-primary);
        }

        /* Sidebar */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }

        .sidebar-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--color-card-shadow);
            padding: var(--spacing-md);
        }

        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.01em;
        }

        .sidebar-related-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .sidebar-related-item {
            display: flex;
            gap: var(--spacing-sm);
            padding: var(--spacing-xs);
            border-radius: var(--radius);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }

        .sidebar-related-item:hover {
            background: var(--color-bg);
        }

        .sidebar-related-thumb {
            width: 72px;
            height: 54px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-bg-alt);
        }

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

        .sidebar-related-info .related-title {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .sidebar-related-item:hover .related-title {
            color: var(--color-accent);
        }

        .sidebar-related-info .related-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            text-align: center;
        }

        .sidebar-cta h3 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 6px;
        }

        .sidebar-cta p {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--spacing-sm);
            line-height: 1.5;
        }

        .sidebar-cta .btn-sidebar-cta {
            display: inline-block;
            padding: 10px 24px;
            border-radius: var(--radius-full);
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
        }

        .sidebar-cta .btn-sidebar-cta:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(240, 165, 0, 0.4);
            transform: translateY(-1px);
        }

        /* Not Found State */
        .not-found-area {
            text-align: center;
            padding: var(--spacing-3xl) var(--spacing-md);
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--color-card-shadow);
        }

        .not-found-icon {
            font-size: 4rem;
            margin-bottom: var(--spacing-md);
            display: block;
        }

        .not-found-area h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
        }

        .not-found-area p {
            color: var(--color-text-secondary);
            margin-bottom: var(--spacing-md);
            font-size: 1.05rem;
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
        }

        .btn-back-home:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 18px rgba(240, 165, 0, 0.35);
            transform: translateY(-1px);
        }

        /* Related Posts Section */
        .related-posts-section {
            padding: var(--spacing-xl) 0 var(--spacing-2xl);
        }

        .related-posts-section .section-heading {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.015em;
        }

        .related-posts-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .related-post-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--color-card-shadow);
            transition: all var(--transition);
        }

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

        .related-post-card img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            background: var(--color-bg-alt);
        }

        .related-post-card .card-body {
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
        }

        .related-post-card .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 6px;
        }

        .related-post-card .card-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .related-post-card:hover .card-title {
            color: var(--color-accent);
        }

        .related-post-card .card-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 8px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.85);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: auto;
        }

        .footer-inner {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-md);
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            padding: 6px 12px;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
        }

        .footer-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing-sm);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            text-align: center;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr 280px;
                gap: var(--spacing-md);
            }

            .article-body {
                padding: var(--spacing-md) var(--spacing-lg);
            }

            .article-body h1.article-title {
                font-size: 1.55rem;
            }

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

            .page-banner {
                padding: var(--spacing-xl) 0;
            }

            .page-banner-content h1 {
                font-size: 1.6rem;
            }
        }

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

            .btn-header-search {
                display: none;
            }

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

            .btn-header-cta {
                padding: 8px 16px;
                font-size: 0.85rem;
            }

            .article-layout {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .article-sidebar {
                position: static;
                top: auto;
            }

            .article-body {
                padding: var(--spacing-md);
            }

            .article-body h1.article-title {
                font-size: 1.4rem;
            }

            .article-body .article-text {
                font-size: 1rem;
            }

            .sidebar-related-list {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-xs);
            }

            .sidebar-related-item {
                flex-direction: column;
            }

            .sidebar-related-thumb {
                width: 100%;
                height: auto;
                aspect-ratio: 16/9;
            }

            .related-posts-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .page-banner {
                padding: var(--spacing-lg) 0;
            }

            .page-banner-content h1 {
                font-size: 1.35rem;
            }

            .breadcrumb .current {
                max-width: 160px;
            }

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

            .footer-links {
                justify-content: center;
            }

            :root {
                --nav-height: 60px;
            }
        }

        @media (max-width: 520px) {
            .article-body {
                padding: var(--spacing-sm);
            }

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

            .article-meta {
                gap: 8px;
                font-size: 0.8rem;
            }

            .page-banner-content h1 {
                font-size: 1.2rem;
            }

            .sidebar-related-list {
                grid-template-columns: 1fr;
            }

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

            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }

            .btn-header-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #5B3CC4;
            --color-primary-dark: #4A2FA8;
            --color-primary-light: #7C5FE0;
            --color-accent: #FF5E57;
            --color-accent-dark: #E04842;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F8F7FC;
            --color-bg-dark: #1a1a2e;
            --color-text: #1a1a2e;
            --color-text-secondary: #5a5a72;
            --color-text-muted: #8a8a9e;
            --color-border: #e8e6f0;
            --color-border-light: #f0eef6;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-white: #FFFFFF;
            --color-card-shadow: rgba(91, 60, 196, 0.06);
            --color-card-hover-shadow: rgba(91, 60, 196, 0.14);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --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, 0.11);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        *,
        *::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);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--color-primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        ul,
        ol {
            list-style: none;
        }

        input {
            font-family: inherit;
            outline: none;
        }

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

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 100%;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

        .header-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

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

        .header-nav a:hover {
            color: var(--color-primary);
            background: rgba(91, 60, 196, 0.06);
        }

        .header-nav a.active {
            color: var(--color-primary);
            background: rgba(91, 60, 196, 0.1);
            font-weight: 600;
        }

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

        .btn-search-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .btn-search-icon:hover {
            background: rgba(91, 60, 196, 0.08);
            color: var(--color-primary);
            border-color: var(--color-border);
        }

        .btn-header-cta {
            padding: 9px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(91, 60, 196, 0.28);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-header-cta:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 16px rgba(91, 60, 196, 0.38);
            transform: translateY(-1px);
        }

        .btn-header-cta:active {
            transform: translateY(0);
            box-shadow: 0 1px 4px rgba(91, 60, 196, 0.22);
        }

        .btn-mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--color-bg-alt);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border: 1px solid var(--color-border);
            flex-shrink: 0;
        }

        .btn-mobile-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-normal);
            pointer-events: none;
        }

        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: var(--header-height);
            right: 0;
            width: 280px;
            max-width: 85vw;
            bottom: 0;
            background: var(--color-white);
            z-index: 1001;
            padding: 20px;
            transform: translateX(100%);
            transition: transform var(--transition-normal);
            box-shadow: -4px 0 20px rgba(0, 0, 0, 0.12);
            overflow-y: auto;
        }

        .mobile-menu-panel.open {
            transform: translateX(0);
        }

        .mobile-menu-panel a {
            display: block;
            padding: 13px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            margin-bottom: 4px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            background: rgba(91, 60, 196, 0.08);
            color: var(--color-primary);
        }

        .mobile-menu-panel .mobile-cta {
            margin-top: 16px;
            display: block;
            text-align: center;
            padding: 13px;
            border-radius: var(--radius-full);
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(160deg, #1a1a2e 0%, #2d2458 40%, #3b2d6e 100%);
            padding: 60px 0;
            overflow: hidden;
            min-height: 260px;
            display: flex;
            align-items: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            mix-blend-mode: overlay;
            pointer-events: none;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 94, 87, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 40%, rgba(91, 60, 196, 0.2) 0%, transparent 55%);
            pointer-events: none;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }

        .banner-breadcrumb a:hover {
            color: #fff;
        }

        .banner-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.45);
        }

        .banner-breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }

        .page-banner h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
            line-height: 1.25;
        }

        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 600px;
            line-height: 1.6;
        }

        .banner-stats-row {
            display: flex;
            gap: 28px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.95rem;
            font-weight: 500;
        }

        .banner-stat-item .stat-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .banner-stat-item .stat-dot.hot {
            background: var(--color-accent);
            box-shadow: 0 0 8px rgba(255, 94, 87, 0.6);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        .banner-stat-item .stat-dot.new {
            background: var(--color-success);
            box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 6px rgba(255, 94, 87, 0.4);
            }
            50% {
                box-shadow: 0 0 16px rgba(255, 94, 87, 0.75);
            }
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-content {
            flex: 1;
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }

        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 550px;
            margin: 0 auto;
        }

        /* ========== FILTER TAGS ========== */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 36px;
        }

        .filter-tag {
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: var(--color-bg-alt);
            border: 1.5px solid transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            user-select: none;
        }

        .filter-tag:hover {
            color: var(--color-primary);
            background: rgba(91, 60, 196, 0.06);
            border-color: rgba(91, 60, 196, 0.2);
        }

        .filter-tag.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(91, 60, 196, 0.25);
        }

        /* ========== GAME CARDS GRID ========== */
        .game-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

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

        .game-card-image-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #f0eef6;
        }

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

        .game-card:hover .game-card-image-wrap img {
            transform: scale(1.06);
        }

        .game-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            color: #fff;
            z-index: 2;
            letter-spacing: 0.01em;
        }

        .game-card-badge.hot {
            background: var(--color-accent);
        }

        .game-card-badge.new {
            background: var(--color-success);
        }

        .game-card-badge.top {
            background: var(--color-warning);
            color: #1a1a2e;
        }

        .game-card-rating {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.65);
            color: #fff;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .game-card-rating .star {
            color: #f59e0b;
            font-size: 0.75rem;
        }

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

        .game-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }

        .game-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }

        .game-card-tag {
            font-size: 0.78rem;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            background: rgba(91, 60, 196, 0.07);
            color: var(--color-primary);
            font-weight: 500;
        }

        .game-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            flex: 1;
            margin-bottom: 14px;
        }

        .game-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        .game-card-players {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .game-card-players .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-success);
            flex-shrink: 0;
        }

        .btn-card-play {
            padding: 7px 18px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff;
            transition: all var(--transition-fast);
            box-shadow: 0 1px 4px rgba(91, 60, 196, 0.2);
        }

        .btn-card-play:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 3px 12px rgba(91, 60, 196, 0.32);
            transform: translateY(-1px);
        }

        /* ========== RANKING SECTION ========== */
        .ranking-list {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .ranking-num {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
            color: #fff;
        }

        .ranking-num.gold {
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
        }
        .ranking-num.silver {
            background: linear-gradient(135deg, #9ca3af, #b0b7c3);
        }
        .ranking-num.bronze {
            background: linear-gradient(135deg, #d97706, #e5a34d);
        }
        .ranking-num.default-num {
            background: #e8e6f0;
            color: var(--color-text-secondary);
        }

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

        .ranking-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 2px;
        }

        .ranking-info .ranking-type {
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        .ranking-heat {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            white-space: nowrap;
        }

        .ranking-heat .fire-icon {
            display: inline-block;
            margin-right: 2px;
        }

        /* ========== STATS SECTION ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            text-align: center;
            padding: 28px 20px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }

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

        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            margin-bottom: 4px;
            line-height: 1.1;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .stat-card .stat-icon {
            font-size: 1.6rem;
            margin-bottom: 8px;
            display: block;
        }

        /* ========== FEATURED SPOTLIGHT ========== */
        .spotlight-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .spotlight-card {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 16 / 9;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            cursor: pointer;
            background: #f0eef6;
        }

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

        .spotlight-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .spotlight-card:hover img {
            transform: scale(1.05);
        }

        .spotlight-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(26, 26, 46, 0.85) 0%, rgba(26, 26, 46, 0.3) 50%, rgba(26, 26, 46, 0.05) 100%);
            z-index: 1;
        }

        .spotlight-content {
            position: relative;
            z-index: 2;
            padding: 24px;
            color: #fff;
            width: 100%;
        }

        .spotlight-content h4 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 4px;
            letter-spacing: -0.01em;
        }

        .spotlight-content p {
            font-size: 0.9rem;
            opacity: 0.85;
            margin-bottom: 10px;
        }

        .spotlight-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(4px);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-md);
        }

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

        .faq-question:hover {
            background: rgba(91, 60, 196, 0.03);
        }

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

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-normal);
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            padding: 0 22px 18px;
            max-height: 300px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(150deg, #1a1a2e 0%, #2d2458 50%, #3b2d6e 100%);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            mix-blend-mode: overlay;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 500px;
            margin: 0 auto 28px;
        }

        .btn-cta-large {
            display: inline-block;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1.05rem;
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 6px 22px rgba(255, 94, 87, 0.35);
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .btn-cta-large:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 10px 30px rgba(255, 94, 87, 0.5);
            transform: translateY(-2px);
        }

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

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a2e;
            padding: 40px 0 24px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: auto;
        }

        .footer-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .footer-brand {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .footer-links {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.45);
            text-align: center;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .game-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .spotlight-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .header-nav a {
                padding: 7px 14px;
                font-size: 0.88rem;
            }
            :root {
                --section-gap: 56px;
                --section-gap-sm: 36px;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
            }
            .header-actions .btn-search-icon {
                display: none;
            }
            .btn-mobile-toggle {
                display: flex;
            }
            .mobile-menu-overlay {
                display: block;
            }
            .mobile-menu-panel {
                display: block;
            }
            .game-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .spotlight-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .page-banner {
                padding: 40px 0;
                min-height: 200px;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
            .banner-stats-row {
                gap: 16px;
            }
            .filter-tags {
                gap: 7px;
            }
            .filter-tag {
                padding: 7px 15px;
                font-size: 0.82rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card .stat-number {
                font-size: 1.7rem;
            }
            .cta-section h2 {
                font-size: 1.55rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .footer-inner {
                flex-direction: column;
                gap: 18px;
                align-items: center;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
                gap: 16px;
            }
            :root {
                --section-gap: 44px;
                --section-gap-sm: 30px;
                --header-height: 60px;
            }
            .game-card-body {
                padding: 14px 15px 16px;
            }
            .game-card-body h3 {
                font-size: 1rem;
            }
            .ranking-item {
                padding: 12px 14px;
                gap: 10px;
            }
            .ranking-num {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .game-cards-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .spotlight-grid {
                grid-template-columns: 1fr;
            }
            .page-banner h1 {
                font-size: 1.45rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.88rem;
            }
            .banner-stats-row {
                gap: 10px;
                font-size: 0.82rem;
            }
            .filter-tags {
                gap: 6px;
            }
            .filter-tag {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
            .btn-cta-large {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .ranking-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .ranking-heat {
                width: 100%;
                text-align: right;
            }
            .header-logo {
                font-size: 1.05rem;
            }
            .header-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .btn-header-cta {
                padding: 7px 16px;
                font-size: 0.82rem;
            }
            :root {
                --section-gap: 36px;
                --section-gap-sm: 24px;
                --header-height: 54px;
            }
            .container {
                padding: 0 14px;
            }
            .game-card-image-wrap {
                aspect-ratio: 16 / 11;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .stat-card .stat-label {
                font-size: 0.8rem;
            }
        }