/* roulang page: index */
:root {
            --bg-deep: #060609;
            --bg-primary: #0b0b14;
            --bg-secondary: #111120;
            --bg-card: rgba(16, 16, 32, 0.75);
            --bg-card-hover: rgba(22, 22, 44, 0.88);
            --bg-nav: rgba(8, 8, 18, 0.92);
            --text-primary: #eeeef5;
            --text-secondary: #b0b0c8;
            --text-muted: #7878a0;
            --accent: #e8a840;
            --accent-glow: #f0c060;
            --accent-deep: #c07820;
            --accent-subtle: rgba(232, 168, 64, 0.12);
            --border-subtle: rgba(255, 255, 255, 0.07);
            --border-card: rgba(255, 255, 255, 0.10);
            --border-accent: rgba(232, 168, 64, 0.35);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 60px rgba(232, 168, 64, 0.10);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --container-max: 1240px;
            --header-height: 64px;
        }

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

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-glow);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-display);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: var(--bg-nav);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.50);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
            height: 100%;
        }
        .header-logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: #0b0b14;
            letter-spacing: -0.02em;
        }
        .header-logo-text {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .header-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }
        .header-nav a.active {
            color: var(--accent-glow);
            background: var(--accent-subtle);
            font-weight: 600;
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: #0b0b14;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 22px rgba(232, 168, 64, 0.30);
            color: #0b0b14;
        }
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            font-size: 1.3rem;
            transition: all var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.04);
        }
        @media (max-width: 768px) {
            .header-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--bg-nav);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                gap: 2px;
                padding: 12px 20px;
                border-bottom: 1px solid var(--border-subtle);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-smooth);
                z-index: 999;
            }
            .header-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .header-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-cta .btn-nav-cta {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 520px) {
            .header-logo-text {
                font-size: 1rem;
            }
            .header-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.78rem;
            }
        }

        /* ===== HERO ===== */
        .hero-section {
            padding-top: var(--header-height);
            min-height: 88vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 40px 28px;
        }
        .hero-content {
            z-index: 2;
            padding-right: 20px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: var(--accent-subtle);
            color: var(--accent-glow);
            border: 1px solid var(--border-accent);
            margin-bottom: 22px;
        }
        .hero-badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-glow);
            animation: pulse-dot 1.6s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.6); }
        }
        .hero-title {
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.15;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-glow), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.12rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
            max-width: 460px;
            line-height: 1.7;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: #0b0b14;
            transition: all var(--transition-fast);
            box-shadow: 0 8px 28px rgba(232, 168, 64, 0.22);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(232, 168, 64, 0.35);
            color: #0b0b14;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            border: 1.5px solid var(--border-card);
            color: var(--text-primary);
            transition: all var(--transition-fast);
        }
        .btn-outline-light:hover {
            border-color: var(--accent);
            background: var(--accent-subtle);
            color: var(--accent-glow);
        }
        .hero-visual {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual-inner {
            width: 100%;
            aspect-ratio: 4 / 3;
            border-radius: var(--radius-xl);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-glow), var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .hero-visual-inner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6,6,9,0.1) 0%, rgba(6,6,9,0.45) 100%);
            border-radius: var(--radius-xl);
            pointer-events: none;
        }
        .hero-stats-row {
            display: flex;
            gap: 28px;
            margin-top: 18px;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            align-items: baseline;
            gap: 6px;
        }
        .hero-stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-glow);
            letter-spacing: -0.02em;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
            .hero-content {
                padding-right: 0;
                order: 1;
            }
            .hero-visual {
                order: 0;
            }
            .hero-visual-inner {
                aspect-ratio: 16 / 9;
                max-height: 380px;
            }
            .hero-desc {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-btns {
                justify-content: center;
            }
            .hero-stats-row {
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .hero-section {
                min-height: auto;
                padding-bottom: 20px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-num {
                font-size: 1.4rem;
            }
        }

        /* ===== SECTION COMMON ===== */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 550px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section {
                padding: 50px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== FEATURES ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .feature-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card), 0 0 40px rgba(232, 168, 64, 0.06);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--accent-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 18px;
            color: var(--accent-glow);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .feature-card {
                padding: 24px 18px;
            }
        }

        /* ===== CATEGORY ENTRY ===== */
        .category-entry-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: stretch;
        }
        .category-entry-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .category-entry-card:hover {
            border-color: var(--border-accent);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .category-entry-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            border-bottom: 1px solid var(--border-subtle);
        }
        .category-entry-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .category-entry-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
        }
        .category-entry-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .category-entry-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--accent);
            margin-top: auto;
            transition: gap var(--transition-fast);
        }
        .category-entry-link:hover {
            gap: 10px;
            color: var(--accent-glow);
        }
        @media (max-width: 768px) {
            .category-entry-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }

        /* ===== NEWS LIST ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 16px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }
        .news-item:hover {
            border-color: var(--border-accent);
            background: var(--bg-card-hover);
            transform: translateX(3px);
        }
        .news-item-thumb {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            border: 1px solid var(--border-subtle);
        }
        .news-item-info {
            flex: 1;
            min-width: 0;
        }
        .news-item-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-item-info .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .news-item-arrow {
            flex-shrink: 0;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .news-item:hover .news-item-arrow {
            color: var(--accent);
        }
        .news-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        @media (max-width: 520px) {
            .news-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px;
            }
            .news-item-thumb {
                width: 48px;
                height: 48px;
            }
            .news-item-info h4 {
                font-size: 0.9rem;
            }
        }

        /* ===== STATS STRIP ===== */
        .stats-strip {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .stat-block {
            text-align: center;
            padding: 24px 32px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            min-width: 140px;
            transition: all var(--transition-fast);
        }
        .stat-block:hover {
            border-color: var(--border-accent);
            box-shadow: var(--shadow-card);
        }
        .stat-block .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-glow);
            letter-spacing: -0.02em;
        }
        .stat-block .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        @media (max-width: 520px) {
            .stat-block {
                min-width: 110px;
                padding: 16px 18px;
            }
            .stat-block .stat-num {
                font-size: 1.6rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-card);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-glow);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all var(--transition-fast);
            color: var(--text-muted);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            border-color: var(--accent);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            text-align: center;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(232, 168, 64, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: clamp(1.8rem, 3.2vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-subtle);
            padding: 40px 0 28px;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            justify-content: space-between;
            align-items: center;
        }
        .footer-brand {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
        }
        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-glow);
        }
        .footer-copy {
            width: 100%;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border-subtle);
        }
        @media (max-width: 520px) {
            .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 16px;
            }
            .footer-links {
                justify-content: center;
            }
        }

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

/* roulang page: article */
:root {
            --color-primary: #d4a44a;
            --color-primary-hover: #e0b85c;
            --color-primary-glow: rgba(212, 164, 74, 0.25);
            --color-primary-subtle: rgba(212, 164, 74, 0.08);
            --color-bg-deep: #080810;
            --color-bg: #0c0c1a;
            --color-surface: #12122a;
            --color-surface-elevated: #181835;
            --color-surface-card: #14142c;
            --color-border: #1e1e3c;
            --color-border-light: #2a2a4a;
            --color-text: #e8e8f2;
            --color-text-heading: #ffffff;
            --color-text-muted: #8a8aa8;
            --color-text-weak: #5e5e80;
            --color-tag-bg: rgba(212, 164, 74, 0.12);
            --color-tag-text: #d4a44a;
            --color-overlay: rgba(8, 8, 16, 0.75);
            --color-overlay-heavy: rgba(8, 8, 16, 0.88);
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius: 14px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --radius-full: 9999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.55);
            --shadow-gold: 0 4px 24px rgba(212, 164, 74, 0.12);
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.35);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --max-width: 1240px;
            --max-width-narrow: 820px;
            --header-height: 64px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg-deep);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

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

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        .container-narrow {
            max-width: var(--max-width-narrow);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(12, 12, 26, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            transition: background var(--transition), border-color var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .header-logo {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--color-text-heading);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

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

        .header-logo .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
            box-shadow: 0 0 12px var(--color-primary-glow);
            flex-shrink: 0;
        }

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

        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .header-nav a:hover {
            color: var(--color-text);
            background: rgba(255, 255, 255, 0.04);
        }

        .header-nav a.active {
            color: var(--color-primary);
            background: var(--color-primary-subtle);
            font-weight: 600;
        }

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

        /* ========== MAIN ========== */
        .page-main {
            flex: 1;
            padding-top: var(--header-height);
        }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--color-bg);
        }

        .article-banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 0;
        }

        .article-banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    var(--color-overlay-heavy) 0%,
                    rgba(12, 12, 26, 0.7) 40%,
                    var(--color-bg-deep) 100%);
            z-index: 1;
        }

        .article-banner-glow {
            position: absolute;
            top: -60px;
            right: -80px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 164, 74, 0.08) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

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

        .article-banner-content .container-narrow {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

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

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

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

        .article-breadcrumb .sep {
            color: var(--color-text-weak);
            font-size: 0.7rem;
        }

        .article-breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
            pointer-events: none;
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .article-category-tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            letter-spacing: 0.02em;
        }

        .article-date {
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        .article-banner-title {
            font-size: 2.5rem;
            font-weight: 900;
            line-height: 1.25;
            color: var(--color-text-heading);
            letter-spacing: -0.015em;
        }

        /* ========== ARTICLE BODY ========== */
        .article-body-section {
            padding: 50px 0 60px;
            background: var(--color-bg-deep);
        }

        .article-body-card {
            background: var(--color-surface-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            box-shadow: var(--shadow-card);
        }

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

        .article-body-card .article-content h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin: 36px 0 16px;
            letter-spacing: -0.01em;
        }

        .article-body-card .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-text-heading);
            margin: 28px 0 12px;
        }

        .article-body-card .article-content p {
            margin-bottom: 16px;
        }

        .article-body-card .article-content ul,
        .article-body-card .article-content ol {
            margin: 12px 0 16px 20px;
        }

        .article-body-card .article-content li {
            margin-bottom: 8px;
        }

        .article-body-card .article-content img {
            border-radius: var(--radius);
            margin: 20px 0;
        }

        .article-body-card .article-content blockquote {
            border-left: 3px solid var(--color-primary);
            padding: 14px 20px;
            margin: 20px 0;
            background: var(--color-primary-subtle);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text);
            font-style: italic;
        }

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

        .article-body-card .article-content a:hover {
            color: var(--color-primary-hover);
        }

        /* NOT FOUND */
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
        }

        .article-not-found .nf-icon {
            font-size: 4rem;
            margin-bottom: 18px;
            opacity: 0.6;
        }

        .article-not-found h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 10px;
        }

        .article-not-found p {
            color: var(--color-text-muted);
            margin-bottom: 24px;
        }

        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #1a1a0a;
            transition: all var(--transition);
            box-shadow: var(--shadow-gold);
        }

        .btn-back:hover {
            background: var(--color-primary-hover);
            box-shadow: 0 6px 28px rgba(212, 164, 74, 0.2);
            transform: translateY(-1px);
        }

        /* ========== RECOMMENDED ========== */
        .recommended-section {
            padding: 50px 0 70px;
            background: var(--color-bg-deep);
        }

        .recommended-section .section-label {
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .recommended-section .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-text-heading);
            margin-bottom: 32px;
            letter-spacing: -0.01em;
        }

        .recommended-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

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

        .recommended-card:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .recommended-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }

        .recommended-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .recommended-card-body .card-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.03em;
        }

        .recommended-card-body .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-heading);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .recommended-card-body .card-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .recommended-card-body .card-date {
            font-size: 0.78rem;
            color: var(--color-text-weak);
            margin-top: 4px;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 60px 0 70px;
            background: var(--color-bg);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -120px;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 700px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 164, 74, 0.04) 0%, transparent 65%);
            pointer-events: none;
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 620px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text-heading);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-inner p {
            color: var(--color-text-muted);
            font-size: 1.05rem;
            margin-bottom: 28px;
            line-height: 1.6;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 700;
            background: var(--color-primary);
            color: #1a1a08;
            letter-spacing: 0.01em;
            transition: all var(--transition);
            box-shadow: var(--shadow-gold);
        }

        .btn-cta:hover {
            background: var(--color-primary-hover);
            box-shadow: 0 8px 32px rgba(212, 164, 74, 0.25);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg);
            border-top: 1px solid var(--color-border);
            padding: 40px 0 30px;
        }

        .footer-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 20px;
        }

        .footer-brand {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-heading);
            letter-spacing: -0.01em;
        }

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

        .footer-links a {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-copy {
            font-size: 0.82rem;
            color: var(--color-text-weak);
            text-align: center;
            padding-top: 16px;
            border-top: 1px solid var(--color-border);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .recommended-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .article-banner-title {
                font-size: 2rem;
            }

            .article-body-card {
                padding: 32px 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 56px;
            }

            .container {
                padding: 0 16px;
            }

            .container-narrow {
                padding: 0 16px;
            }

            .header-nav {
                gap: 2px;
            }

            .header-nav a {
                padding: 6px 12px;
                font-size: 0.82rem;
            }

            .header-logo {
                font-size: 1.1rem;
            }

            .article-banner {
                min-height: 300px;
            }

            .article-banner-content {
                padding: 40px 0 32px;
            }

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

            .article-body-section {
                padding: 30px 0 40px;
            }

            .article-body-card {
                padding: 24px 18px;
                border-radius: var(--radius);
            }

            .article-body-card .article-content {
                font-size: 0.98rem;
                line-height: 1.75;
            }

            .recommended-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .recommended-section .section-title {
                font-size: 1.4rem;
            }

            .cta-inner h2 {
                font-size: 1.5rem;
            }

            .cta-inner p {
                font-size: 0.95rem;
            }

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

            .footer-links {
                justify-content: center;
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .header-logo {
                font-size: 1rem;
            }

            .header-logo .logo-dot {
                width: 7px;
                height: 7px;
            }

            .header-nav a {
                padding: 5px 10px;
                font-size: 0.78rem;
            }

            .article-banner {
                min-height: 240px;
            }

            .article-banner-title {
                font-size: 1.3rem;
            }

            .article-banner-content {
                padding: 28px 0 24px;
            }

            .article-body-card {
                padding: 18px 14px;
                border-radius: var(--radius-sm);
            }

            .article-body-card .article-content {
                font-size: 0.92rem;
            }

            .article-meta-row {
                gap: 8px;
            }

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

            .article-date {
                font-size: 0.75rem;
            }

            .btn-cta {
                padding: 12px 24px;
                font-size: 0.9rem;
            }

            .btn-back {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #7C3AED;
            --color-primary-light: #9B5DE5;
            --color-primary-dark: #5B21B6;
            --color-accent: #F97316;
            --color-accent-light: #FB923C;
            --color-accent-glow: rgba(249, 115, 22, 0.35);
            --color-bg: #0A0812;
            --color-bg-alt: #100D1A;
            --color-surface: #1A1628;
            --color-surface-hover: #221E35;
            --color-surface-card: #1E1A2E;
            --color-text: #EDE9F6;
            --color-text-heading: #F5F1FF;
            --color-muted: #9B95A8;
            --color-muted-light: #B8B2C4;
            --color-border: #2D283A;
            --color-border-light: #3D3750;
            --color-success: #10B981;
            --color-gold: #F59E0B;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
            --shadow: 0 4px 16px rgba(0,0,0,0.35);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.45);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.55);
            --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.2);
            --shadow-accent-glow: 0 0 30px rgba(249, 115, 22, 0.25);
            --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1240px;
            --nav-height: 64px;
        }

        /* ========== 基础 Reset ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

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

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

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

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

        button {
            cursor: pointer;
        }

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-text-heading);
        }

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

        /* ========== Header / 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--nav-height);
            background: rgba(10, 8, 18, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(45, 40, 58, 0.6);
            transition: background var(--transition), border-color var(--transition);
        }

        .site-header.scrolled {
            background: rgba(10, 8, 18, 0.95);
            border-bottom-color: var(--color-border);
            box-shadow: 0 2px 20px rgba(0,0,0,0.4);
        }

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

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-heading);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

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

        .header-nav a {
            position: relative;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .header-nav a:hover {
            color: var(--color-text);
            background: rgba(255,255,255,0.04);
        }

        .header-nav a.active {
            color: var(--color-text-heading);
            background: rgba(124, 58, 237, 0.18);
            font-weight: 600;
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            padding: 9px 22px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 10px rgba(124, 58, 237, 0.3);
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 18px rgba(124, 58, 237, 0.45);
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 110;
            flex-shrink: 0;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            border-radius: 2px;
            background: var(--color-text);
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== 页面 Banner ========== */
        .page-banner {
            position: relative;
            margin-top: var(--nav-height);
            min-height: 420px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(
                180deg,
                rgba(10, 8, 18, 0.55) 0%,
                rgba(10, 8, 18, 0.7) 40%,
                rgba(10, 8, 18, 0.92) 100%
            );
            z-index: 1;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 55%;
            height: 100%;
            background: linear-gradient(
                90deg,
                rgba(124, 58, 237, 0.25) 0%,
                rgba(124, 58, 237, 0.08) 50%,
                transparent 100%
            );
            z-index: 1;
            pointer-events: none;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            width: 100%;
            padding: 50px 0;
        }

        .banner-text {
            flex: 1;
            max-width: 620px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-muted-light);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

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

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

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

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

        .banner-text h1 {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            line-height: 1.15;
        }

        .banner-text h1 .highlight {
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .banner-desc {
            font-size: 1.1rem;
            color: var(--color-muted-light);
            line-height: 1.7;
            max-width: 500px;
        }

        .banner-stats {
            display: flex;
            gap: 40px;
            flex-shrink: 0;
            z-index: 2;
        }

        .banner-stat-item {
            text-align: center;
            padding: 28px 32px;
            background: rgba(26, 22, 40, 0.7);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-xl);
            border: 1px solid rgba(45, 40, 58, 0.6);
            min-width: 130px;
        }

        .banner-stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-accent-light);
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .banner-stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--color-muted);
            margin-top: 6px;
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 72px 0;
        }

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

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.015em;
            margin-bottom: 12px;
        }

        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-muted);
            max-width: 560px;
            margin: 0 auto;
        }

        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            background: rgba(124, 58, 237, 0.15);
            color: var(--color-primary-light);
            margin-bottom: 16px;
        }

        /* ========== 筛选区 ========== */
        .filter-section {
            padding: 0 0 32px 0;
        }

        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .filter-search {
            flex: 1;
            min-width: 240px;
            position: relative;
        }

        .filter-search input {
            width: 100%;
            padding: 13px 18px 13px 44px;
            border-radius: 28px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            color: var(--color-text);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .filter-search input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12);
            background: var(--color-surface-hover);
        }

        .filter-search .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-muted);
            font-size: 1rem;
            pointer-events: none;
        }

        .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-tag {
            padding: 8px 18px;
            border-radius: 22px;
            font-size: 0.88rem;
            font-weight: 500;
            border: 1px solid var(--color-border);
            color: var(--color-muted);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--color-border-light);
            color: var(--color-text);
            background: rgba(255,255,255,0.03);
        }

        .filter-tag.active {
            background: rgba(124, 58, 237, 0.2);
            border-color: var(--color-primary);
            color: var(--color-primary-light);
            font-weight: 600;
        }

        /* ========== 游戏卡片网格 ========== */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .game-card {
            background: var(--color-surface-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition);
            cursor: pointer;
            position: relative;
        }

        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--color-border-light);
            background: var(--color-surface-hover);
        }

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

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

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

        .game-card .card-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(
                180deg,
                transparent 40%,
                rgba(10, 8, 18, 0.7) 100%
            );
            pointer-events: none;
        }

        .game-card .card-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 5px 12px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 700;
            background: rgba(249, 115, 22, 0.9);
            color: #fff;
            letter-spacing: 0.03em;
            z-index: 3;
        }

        .game-card .card-rating {
            position: absolute;
            bottom: 12px;
            left: 12px;
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            z-index: 3;
            background: rgba(0,0,0,0.55);
            padding: 4px 10px;
            border-radius: 14px;
        }

        .game-card .card-rating .star {
            color: var(--color-gold);
            font-size: 0.75rem;
        }

        .game-card .card-body {
            padding: 20px;
        }

        .game-card .card-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(124, 58, 237, 0.15);
            color: var(--color-primary-light);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .game-card .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text-heading);
            line-height: 1.3;
        }

        .game-card .card-desc {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .game-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--color-border);
        }

        .game-card .card-players {
            font-size: 0.8rem;
            color: var(--color-muted);
        }

        .game-card .card-players strong {
            color: var(--color-text);
            font-weight: 600;
        }

        .game-card .card-btn {
            padding: 7px 16px;
            border-radius: 18px;
            font-size: 0.82rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
        }

        .game-card:hover .card-btn {
            box-shadow: 0 4px 16px rgba(124, 58, 237, 0.5);
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
        }

        /* ========== 排行榜区块 ========== */
        .ranking-section {
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }

        .ranking-item:hover {
            border-color: var(--color-border-light);
            background: var(--color-surface-hover);
            transform: translateX(4px);
        }

        .ranking-item.rank-top {
            border-color: rgba(245, 158, 11, 0.3);
            background: rgba(245, 158, 11, 0.04);
        }

        .rank-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            flex-shrink: 0;
            background: var(--color-surface-hover);
            color: var(--color-muted);
        }

        .ranking-item.rank-top .rank-number {
            background: linear-gradient(135deg, #F59E0B, #F97316);
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }

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

        .rank-info .rank-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text-heading);
        }

        .rank-info .rank-tag {
            font-size: 0.78rem;
            color: var(--color-muted);
            margin-top: 2px;
        }

        .rank-hot-badge {
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(249, 115, 22, 0.12);
            color: var(--color-accent-light);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .rank-arrow {
            color: var(--color-muted);
            font-size: 1.2rem;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }

        .ranking-item:hover .rank-arrow {
            transform: translateX(3px);
            color: var(--color-text);
        }

        /* ========== 特色推荐 ========== */
        .featured-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: stretch;
        }

        .featured-main {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            min-height: 380px;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            border: 1px solid var(--color-border);
        }

        .featured-main::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(
                180deg,
                transparent 20%,
                rgba(10, 8, 18, 0.85) 100%
            );
            z-index: 1;
        }

        .featured-main-content {
            position: relative;
            z-index: 2;
            padding: 32px;
            width: 100%;
        }

        .featured-main-content .feat-badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            margin-bottom: 12px;
        }

        .featured-main-content h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .featured-main-content p {
            color: var(--color-muted-light);
            font-size: 0.95rem;
            max-width: 400px;
        }

        .featured-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .featured-side-item {
            flex: 1;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 22px;
            background: var(--color-surface-card);
            transition: all var(--transition-fast);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .featured-side-item:hover {
            border-color: var(--color-border-light);
            background: var(--color-surface-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .featured-side-item .fsi-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            background: rgba(124, 58, 237, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }

        .featured-side-item .fsi-info h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .featured-side-item .fsi-info span {
            font-size: 0.82rem;
            color: var(--color-muted);
        }

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

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

        .faq-item:hover {
            border-color: var(--color-border-light);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-heading);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(255,255,255,0.02);
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(124, 58, 237, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-primary-light);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: rgba(249, 115, 22, 0.2);
            color: var(--color-accent-light);
        }

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

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

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--color-muted-light);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
            text-align: center;
        }

        .cta-card {
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(249, 115, 22, 0.08));
            border: 1px solid var(--color-border);
            border-radius: var(--radius-2xl);
            padding: 56px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(124, 58, 237, 0.12);
            pointer-events: none;
        }

        .cta-card h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            font-size: 1.05rem;
            color: var(--color-muted-light);
            max-width: 550px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }

        .btn-cta-large {
            display: inline-block;
            padding: 14px 38px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--color-accent), #EA580C);
            color: #fff;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 20px rgba(249, 115, 22, 0.4);
            position: relative;
            z-index: 1;
            letter-spacing: 0.02em;
        }

        .btn-cta-large:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(249, 115, 22, 0.55);
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 28px;
        }

        .footer-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text-heading);
            letter-spacing: 0.02em;
        }

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

        .footer-links a {
            font-size: 0.9rem;
            color: var(--color-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-copy {
            font-size: 0.82rem;
            color: var(--color-muted);
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .games-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .featured-block {
                grid-template-columns: 1fr;
            }
            .featured-main {
                min-height: 280px;
            }
            .banner-stats {
                gap: 20px;
            }
            .banner-stat-item {
                padding: 20px 22px;
                min-width: 100px;
            }
            .banner-stat-item .stat-number {
                font-size: 2rem;
            }
            .banner-text h1 {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: flex;
            }
            .header-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 8, 18, 0.97);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition);
                pointer-events: none;
                z-index: 99;
            }
            .header-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .header-nav a {
                width: 100%;
                text-align: center;
                padding: 12px 18px;
                font-size: 1.05rem;
                border-radius: var(--radius);
            }
            .header-actions {
                display: none;
            }
            .header-actions.mobile-visible {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                padding: 12px 20px;
                background: rgba(10, 8, 18, 0.97);
                backdrop-filter: blur(20px);
                border-top: 1px solid var(--color-border);
                z-index: 99;
                justify-content: center;
            }
            .page-banner {
                min-height: 340px;
            }
            .banner-content {
                flex-direction: column;
                text-align: center;
                gap: 24px;
                padding: 36px 0;
            }
            .banner-text {
                max-width: 100%;
            }
            .banner-text h1 {
                font-size: 2rem;
            }
            .banner-desc {
                margin: 0 auto;
            }
            .banner-stats {
                justify-content: center;
                gap: 16px;
            }
            .banner-stat-item {
                padding: 16px 18px;
                min-width: 90px;
            }
            .banner-stat-item .stat-number {
                font-size: 1.6rem;
            }
            .games-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .game-card .card-body {
                padding: 14px;
            }
            .game-card .card-title {
                font-size: 1rem;
            }
            .game-card .card-desc {
                font-size: 0.8rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
            .cta-card {
                padding: 36px 22px;
            }
            .cta-card h2 {
                font-size: 1.5rem;
            }
            .ranking-item {
                padding: 14px 16px;
                gap: 10px;
            }
            .rank-number {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-search {
                min-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .games-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .page-banner {
                min-height: 280px;
            }
            .banner-text h1 {
                font-size: 1.65rem;
            }
            .banner-desc {
                font-size: 0.9rem;
            }
            .banner-stats {
                gap: 10px;
                flex-wrap: wrap;
            }
            .banner-stat-item {
                padding: 14px 16px;
                min-width: 75px;
                border-radius: var(--radius);
            }
            .banner-stat-item .stat-number {
                font-size: 1.35rem;
            }
            .banner-stat-item .stat-label {
                font-size: 0.72rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .section-header h2 {
                font-size: 1.45rem;
            }
            .featured-main {
                min-height: 220px;
            }
            .featured-main-content {
                padding: 20px;
            }
            .featured-main-content h3 {
                font-size: 1.2rem;
            }
            .cta-card {
                padding: 28px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-card h2 {
                font-size: 1.3rem;
            }
            .btn-cta-large {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
            .footer-inner {
                flex-direction: column;
                align-items: center;
                text-align: center;
                gap: 20px;
            }
            .footer-links {
                justify-content: center;
            }
            .ranking-item {
                flex-wrap: wrap;
            }
            .rank-hot-badge {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
            .filter-tags {
                gap: 6px;
            }
            .filter-tag {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
        }