/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --bg-primary: #070b17;
            --bg-secondary: #0e1527;
            --bg-card: #141d33;
            --bg-card-hover: #1a2642;
            --bg-elevated: #1c2a47;
            --color-gold: #f0b429;
            --color-gold-light: #fcd34d;
            --color-gold-dark: #d4940f;
            --color-cyan: #06b6d4;
            --color-cyan-light: #22d3ee;
            --color-accent: #e94560;
            --color-accent-light: #f0627a;
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --border-color: #1e293b;
            --border-light: #2a3a5c;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(240, 180, 41, 0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --nav-blur: 20px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::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(--text-primary);
            background: var(--bg-primary);
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            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 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-primary);
        }
        ::selection {
            background: var(--color-gold);
            color: var(--bg-primary);
        }
        :focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 4px;
            border-radius: 4px;
        }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / 悬浮胶囊导航 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: var(--max-width);
            background: rgba(7, 11, 23, 0.72);
            backdrop-filter: blur(var(--nav-blur));
            -webkit-backdrop-filter: blur(var(--nav-blur));
            border: 1px solid rgba(240, 180, 41, 0.08);
            border-radius: var(--radius-full);
            padding: 0 8px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.04);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(7, 11, 23, 0.88);
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            padding: 0 12px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            transition: opacity var(--transition);
        }
        .logo:hover {
            opacity: 0.88;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--bg-primary);
            font-weight: 900;
            flex-shrink: 0;
        }
        .logo span {
            background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a {
            padding: 8px 20px;
            border-radius: var(--radius-full);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--color-gold);
            background: rgba(240, 180, 41, 0.10);
            box-shadow: inset 0 0 0 1px rgba(240, 180, 41, 0.12);
        }
        .nav-cta {
            padding: 8px 24px !important;
            background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark)) !important;
            color: var(--bg-primary) !important;
            font-weight: 600 !important;
            border-radius: var(--radius-full) !important;
            box-shadow: 0 4px 16px rgba(240, 180, 41, 0.25) !important;
            transition: all var(--transition) !important;
        }
        .nav-cta:hover {
            transform: translateY(-1px) !important;
            box-shadow: 0 8px 28px rgba(240, 180, 41, 0.35) !important;
            background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold)) !important;
            color: var(--bg-primary) !important;
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.10);
        }

        @media (max-width: 768px) {
            .site-header {
                top: 12px;
                border-radius: var(--radius-lg);
                padding: 0 4px;
            }
            .header-inner {
                height: 60px;
            }
            .logo {
                font-size: 18px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 8px;
                right: 8px;
                background: rgba(7, 11, 23, 0.96);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                border: 1px solid var(--border-color);
                border-radius: var(--radius-lg);
                padding: 12px;
                flex-direction: column;
                gap: 4px;
                box-shadow: var(--shadow-lg);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .nav-cta {
                text-align: center;
                margin-top: 4px;
            }
            .nav-toggle {
                display: flex;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 24px 80px;
            background: var(--bg-primary);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.35;
            z-index: 0;
            transform: scale(1.05);
            transition: transform 0.6s ease;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(7, 11, 23, 0.30) 0%, var(--bg-primary) 80%);
            z-index: 1;
        }
        .hero-glow {
            position: absolute;
            top: 15%;
            left: 50%;
            width: 800px;
            height: 800px;
            transform: translateX(-50%);
            background: radial-gradient(circle, rgba(240, 180, 41, 0.06) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px 6px 8px;
            background: rgba(240, 180, 41, 0.08);
            border: 1px solid rgba(240, 180, 41, 0.15);
            border-radius: var(--radius-full);
            font-size: 13px;
            color: var(--color-gold-light);
            margin-bottom: 28px;
            letter-spacing: 0.3px;
        }
        .hero-badge i {
            font-size: 10px;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(240, 180, 41, 0.15);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .hero-title {
            font-size: clamp(36px, 7vw, 68px);
            font-weight: 900;
            line-height: 1.08;
            letter-spacing: -1.5px;
            margin-bottom: 24px;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold), var(--color-gold-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: clamp(16px, 2.2vw, 22px);
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 640px;
            margin: 0 auto 40px;
            font-weight: 400;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            align-items: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 17px;
            border-radius: var(--radius-full);
            box-shadow: 0 8px 32px rgba(240, 180, 41, 0.30);
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 48px rgba(240, 180, 41, 0.40);
            background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 17px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px 48px;
            justify-content: center;
            margin-top: 56px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }
        .hero-stat-number .gold {
            color: var(--color-gold);
        }
        .hero-stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 2px;
            letter-spacing: 0.5px;
        }

        @media (max-width: 640px) {
            .hero {
                min-height: 80vh;
                padding: 100px 16px 60px;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-sub {
                font-size: 15px;
                margin-bottom: 32px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
                padding: 14px 24px;
                font-size: 15px;
            }
            .hero-stats {
                gap: 20px 32px;
                margin-top: 40px;
                padding-top: 28px;
            }
            .hero-stat-number {
                font-size: 22px;
            }
        }

        /* ===== Section通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--bg-secondary);
        }
        .section-darker {
            background: var(--bg-primary);
        }
        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 52px;
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--color-gold);
            margin-bottom: 12px;
            padding: 4px 16px;
            border: 1px solid rgba(240, 180, 41, 0.15);
            border-radius: var(--radius-full);
            background: rgba(240, 180, 41, 0.04);
        }
        .section-title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            letter-spacing: -0.8px;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 640px) {
            .section {
                padding: 52px 0;
            }
            .section-header {
                margin-bottom: 36px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-desc {
                font-size: 15px;
            }
        }

        /* ===== 优势板块 ===== */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .advantage-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .advantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-gold), var(--color-cyan));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .advantage-card:hover::before {
            opacity: 1;
        }
        .advantage-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .advantage-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 24px;
            background: rgba(240, 180, 41, 0.08);
            color: var(--color-gold);
            transition: all var(--transition);
        }
        .advantage-card:hover .advantage-icon {
            background: rgba(240, 180, 41, 0.15);
            transform: scale(1.05);
        }
        .advantage-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .advantage-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        @media (max-width: 1024px) {
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .advantages-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .advantage-card {
                padding: 24px 18px;
            }
        }

        /* ===== 热门游戏推荐 ===== */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .game-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            cursor: pointer;
            aspect-ratio: 4 / 3;
        }
        .game-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .game-card:hover img {
            transform: scale(1.06);
        }
        .game-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(7, 11, 23, 0.85) 0%, rgba(7, 11, 23, 0.10) 50%, transparent 70%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px 20px;
            transition: background var(--transition);
        }
        .game-card:hover .game-card-overlay {
            background: linear-gradient(0deg, rgba(7, 11, 23, 0.90) 0%, rgba(7, 11, 23, 0.20) 50%, transparent 70%);
        }
        .game-card-tag {
            display: inline-block;
            padding: 3px 12px;
            font-size: 11px;
            font-weight: 600;
            border-radius: var(--radius-full);
            background: rgba(240, 180, 41, 0.15);
            color: var(--color-gold-light);
            margin-bottom: 10px;
            width: fit-content;
            backdrop-filter: blur(4px);
            letter-spacing: 0.5px;
        }
        .game-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .game-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            max-width: 90%;
        }
        .game-card .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-gold);
            opacity: 0;
            transform: translateY(8px);
            transition: all var(--transition);
        }
        .game-card:hover .btn-ghost {
            opacity: 1;
            transform: translateY(0);
        }

        @media (max-width: 900px) {
            .games-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 520px) {
            .games-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .game-card {
                aspect-ratio: 16 / 9;
            }
            .game-card-overlay {
                padding: 16px 14px;
            }
            .game-card h3 {
                font-size: 17px;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 36px 20px 32px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
        }
        .stat-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .stat-icon {
            font-size: 32px;
            color: var(--color-gold);
            margin-bottom: 16px;
            opacity: 0.8;
        }
        .stat-number {
            font-size: 36px;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-number .gold {
            color: var(--color-gold);
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .stat-card .stat-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: #34d399;
            margin-top: 10px;
            padding: 2px 12px;
            background: rgba(52, 211, 153, 0.08);
            border-radius: var(--radius-full);
        }

        @media (max-width: 900px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 28px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 24px 12px 20px;
            }
            .stat-number {
                font-size: 24px;
            }
            .stat-icon {
                font-size: 24px;
                margin-bottom: 10px;
            }
        }

        /* ===== 最新资讯 ===== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .news-item {
            display: flex;
            gap: 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition);
        }
        .news-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .news-thumb {
            width: 120px;
            min-height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-elevated);
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-info .news-cat {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--color-gold);
            background: rgba(240, 180, 41, 0.08);
            padding: 2px 10px;
            border-radius: var(--radius-full);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }
        .news-info h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-info h3 a {
            color: var(--text-primary);
            transition: color var(--transition);
        }
        .news-info h3 a:hover {
            color: var(--color-gold);
        }
        .news-info .news-excerpt {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-meta i {
            margin-right: 4px;
            font-size: 11px;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            color: var(--text-muted);
            font-size: 15px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }
        .news-empty i {
            font-size: 32px;
            margin-bottom: 12px;
            opacity: 0.4;
            display: block;
        }

        @media (max-width: 768px) {
            .news-list {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-item {
                flex-direction: column;
                padding: 16px;
            }
            .news-thumb {
                width: 100%;
                height: 160px;
            }
            .news-info h3 {
                font-size: 15px;
            }
        }

        /* ===== 游戏标签 ===== */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .tag-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--color-gold);
            color: var(--color-gold);
            transform: translateY(-2px);
            box-shadow: 0 4px 20px rgba(240, 180, 41, 0.10);
        }
        .tag-item i {
            font-size: 12px;
            color: var(--color-gold);
        }
        .tag-item .tag-count {
            font-size: 11px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.04);
            padding: 0 8px;
            border-radius: var(--radius-full);
            font-weight: 600;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: none;
            text-align: left;
            cursor: pointer;
            transition: background var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--color-gold);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        @media (max-width: 640px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                font-size: 13px;
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: var(--bg-secondary);
            overflow: hidden;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.10;
            z-index: 0;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.8px;
        }
        .cta-inner p {
            font-size: 17px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .cta-inner .btn-primary {
            font-size: 18px;
            padding: 18px 48px;
        }

        @media (max-width: 640px) {
            .cta-section {
                padding: 52px 0;
            }
            .cta-inner .btn-primary {
                width: 100%;
                justify-content: center;
                padding: 14px 24px;
                font-size: 16px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-color);
            padding: 52px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand .logo {
            font-size: 20px;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--color-gold);
        }
        .footer-col ul li a i {
            font-size: 10px;
            color: var(--color-gold);
            opacity: 0.5;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--color-gold);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 15px;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--color-gold);
            border-color: var(--color-gold);
            color: var(--bg-primary);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 动画辅助 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 滚动进度条 (装饰) ===== */
        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            width: 0%;
            height: 2px;
            background: linear-gradient(90deg, var(--color-gold), var(--color-cyan));
            z-index: 2000;
            transition: width 0.1s linear;
        }

        /* ===== Particle dots (装饰) ===== */
        .bg-dots {
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle, rgba(240, 180, 41, 0.06) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
            z-index: 0;
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #00cec9;
            --secondary-dark: #00b5b0;
            --accent: #fd79a8;
            --bg-dark: #0a0a1a;
            --bg-card: #111128;
            --bg-card-hover: #1a1a3e;
            --bg-section: #0d0d22;
            --bg-body: #080818;
            --text-white: #f0f0f8;
            --text-light: #c8c8e0;
            --text-muted: #8888aa;
            --border-color: #2a2a5a;
            --border-light: #3a3a6a;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(108, 92, 231, 0.1);
            --shadow-hover: 0 16px 48px rgba(108, 92, 231, 0.25), 0 0 0 1px rgba(108, 92, 231, 0.3);
            --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-white);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-white); }
        p { margin-bottom: 1rem; color: var(--text-light); }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 820px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 背景装饰 ===== */
        body::before {
            content: '';
            position: fixed;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at 20% 30%, rgba(108,92,231,0.08) 0%, transparent 50%),
                        radial-gradient(ellipse at 80% 70%, rgba(0,206,201,0.05) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(10, 10, 26, 0.82);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border-bottom: 1px solid rgba(108, 92, 231, 0.15);
            transition: var(--transition);
        }
        .site-header:hover { border-color: rgba(108, 92, 231, 0.3); }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo:hover { color: var(--secondary); }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            font-size: 1.2rem;
            color: #fff;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(108,92,231,0.4);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            position: relative;
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
        }
        .main-nav a:hover { color: var(--text-white); background: rgba(108,92,231,0.12); }
        .main-nav a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 16px rgba(108,92,231,0.35);
        }
        .main-nav a.active::after { display: none; }
        .main-nav a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            padding: 8px 22px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(108,92,231,0.3);
        }
        .main-nav a.nav-cta:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 28px rgba(108,92,231,0.45);
        }
        .main-nav a.nav-cta i { margin-right: 6px; }
        .nav-toggle {
            display: none;
            background: transparent;
            color: var(--text-white);
            font-size: 1.5rem;
            padding: 8px 12px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover { background: rgba(108,92,231,0.15); }

        /* ===== 文章 Banner ===== */
        .article-banner {
            position: relative;
            margin-top: var(--header-height);
            padding: 100px 0 80px;
            background: linear-gradient(135deg, rgba(10,10,26,0.92), rgba(17,17,40,0.88)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            border-bottom: 1px solid var(--border-color);
            text-align: center;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-body), transparent);
            pointer-events: none;
        }
        .article-banner .container-narrow {
            position: relative;
            z-index: 2;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a { color: var(--primary-light); }
        .article-breadcrumb a:hover { color: var(--secondary); }
        .article-breadcrumb i { font-size: 0.65rem; color: var(--text-muted); }
        .article-category-badge {
            display: inline-block;
            padding: 4px 16px;
            background: linear-gradient(135deg, rgba(108,92,231,0.2), rgba(0,206,201,0.15));
            border: 1px solid rgba(108,92,231,0.3);
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .article-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-white);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-meta i { margin-right: 6px; color: var(--primary-light); }
        .article-meta span { display: inline-flex; align-items: center; }

        /* ===== 文章正文 ===== */
        .article-main {
            padding: 60px 0 80px;
            position: relative;
            z-index: 1;
        }
        .article-content {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 48px 52px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
        }
        .article-content .featured-image {
            margin: -48px -52px 40px -52px;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            overflow: hidden;
            max-height: 420px;
            object-fit: cover;
            width: calc(100% + 104px);
        }
        .article-content .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-light);
        }
        .article-body p { margin-bottom: 1.5rem; }
        .article-body h2, .article-body h3 {
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--text-white);
        }
        .article-body h2 { font-size: 1.6rem; border-bottom: 1px solid var(--border-color); padding-bottom: 10px; }
        .article-body h3 { font-size: 1.3rem; }
        .article-body ul, .article-body ol {
            margin: 1rem 0 1.5rem 1.5rem;
            color: var(--text-light);
        }
        .article-body ul li { list-style: disc; margin-bottom: 0.4rem; }
        .article-body ol li { list-style: decimal; margin-bottom: 0.4rem; }
        .article-body a { color: var(--secondary); text-decoration: underline; }
        .article-body a:hover { color: var(--primary-light); }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.5rem 0;
            background: rgba(108,92,231,0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-card);
        }
        .article-body code {
            background: rgba(108,92,231,0.12);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--secondary);
        }
        .article-body pre {
            background: var(--bg-dark);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            overflow-x: auto;
            border: 1px solid var(--border-color);
            margin: 1.5rem 0;
        }
        .article-body pre code { background: transparent; padding: 0; color: var(--text-light); }

        /* ===== 文章标签 ===== */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
        }
        .article-tags .tag {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(108,92,231,0.1);
            border: 1px solid rgba(108,92,231,0.2);
            border-radius: 100px;
            font-size: 0.8rem;
            color: var(--primary-light);
            font-weight: 500;
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: rgba(108,92,231,0.2);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== 文章导航（上下篇） ===== */
        .article-pagination {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid var(--border-color);
        }
        .article-pagination a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            color: var(--text-light);
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
            flex: 1;
            max-width: 48%;
        }
        .article-pagination a:hover {
            border-color: var(--primary);
            background: var(--bg-card-hover);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }
        .article-pagination a.pagination-prev { text-align: left; }
        .article-pagination a.pagination-next { text-align: right; flex-direction: row-reverse; }
        .article-pagination a i { font-size: 1rem; color: var(--primary-light); flex-shrink: 0; }
        .article-pagination .pagination-label { display: block; font-size: 0.75rem; color: var(--text-muted); margin-bottom: 2px; }
        .article-pagination .pagination-title { display: block; font-weight: 600; color: var(--text-white); }

        /* ===== 相关文章 ===== */
        .related-section {
            padding: 60px 0 80px;
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
        }
        .related-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .related-section .section-title h2 {
            font-size: 1.8rem;
            font-weight: 700;
        }
        .related-section .section-title p {
            color: var(--text-muted);
            font-size: 1rem;
            margin-top: 8px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .related-card:hover {
            border-color: rgba(108,92,231,0.3);
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .card-img {
            height: 180px;
            overflow: hidden;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .related-card:hover .card-img img { transform: scale(1.06); }
        .related-card .card-body {
            padding: 20px 22px;
        }
        .related-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }
        .related-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 22px;
            border-top: 1px solid var(--border-color);
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .related-card .card-meta .cat { color: var(--primary-light); font-weight: 500; }

        /* ===== CTA 区块 ===== */
        .article-cta {
            padding: 70px 0;
            background: linear-gradient(135deg, rgba(108,92,231,0.08), rgba(0,206,201,0.06));
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
        }
        .article-cta h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .article-cta p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 32px;
            font-size: 1.05rem;
        }
        .article-cta .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            text-decoration: none;
        }
        .btn i { font-size: 1rem; }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 20px rgba(108,92,231,0.35);
        }
        .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(108,92,231,0.5); color: #fff; }
        .btn-secondary {
            background: transparent;
            color: var(--text-white);
            border: 1px solid var(--border-color);
        }
        .btn-secondary:hover { background: rgba(108,92,231,0.1); border-color: var(--primary); color: var(--text-white); transform: translateY(-3px); }
        .btn-outline {
            background: transparent;
            color: var(--primary-light);
            border: 1px solid rgba(108,92,231,0.3);
        }
        .btn-outline:hover { background: rgba(108,92,231,0.12); border-color: var(--primary); color: var(--text-white); transform: translateY(-2px); }

        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 40px;
        }
        .not-found-box i {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            display: block;
        }
        .not-found-box h2 {
            font-size: 2rem;
            margin-bottom: 16px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .site-footer .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { margin-bottom: 16px; font-size: 1.2rem; }
        .footer-brand p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 18px;
            color: var(--text-white);
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-col ul li a i { font-size: 0.65rem; color: var(--primary-light); }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--secondary); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .article-content { padding: 36px 32px; }
            .article-content .featured-image { margin: -36px -32px 32px -32px; width: calc(100% + 64px); }
            .article-banner h1 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .main-nav { display: none; }
            .nav-toggle { display: block; }
            .main-nav.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10,10,26,0.96);
                backdrop-filter: blur(20px);
                padding: 16px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 20px 40px rgba(0,0,0,0.6);
            }
            .main-nav.open a { width: 100%; text-align: center; padding: 12px 18px; }
            .article-banner { padding: 80px 0 60px; }
            .article-banner h1 { font-size: 1.7rem; }
            .article-content { padding: 28px 20px; border-radius: var(--radius-md); }
            .article-content .featured-image { margin: -28px -20px 24px -20px; width: calc(100% + 40px); max-height: 260px; }
            .article-meta { gap: 12px; font-size: 0.8rem; }
            .related-grid { grid-template-columns: 1fr; }
            .article-pagination { flex-direction: column; }
            .article-pagination a { max-width: 100%; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .article-cta h2 { font-size: 1.5rem; }
            .article-cta .cta-buttons { flex-direction: column; align-items: center; }
            .article-body { font-size: 1rem; }
        }
        @media (max-width: 520px) {
            .article-banner h1 { font-size: 1.4rem; }
            .article-content { padding: 20px 16px; }
            .article-content .featured-image { margin: -20px -16px 20px -16px; width: calc(100% + 32px); max-height: 200px; }
            .article-banner { padding: 60px 0 40px; }
            .article-main { padding: 40px 0 60px; }
            .related-section { padding: 40px 0 60px; }
            .article-cta { padding: 50px 0; }
            .article-cta h2 { font-size: 1.3rem; }
            .btn { padding: 12px 26px; font-size: 0.85rem; }
            .header-inner { padding: 0 16px; }
            .container { padding: 0 16px; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0b1a2e;
            --primary-light: #1a3a5c;
            --primary-dark: #060e18;
            --accent: #f0a500;
            --accent-light: #ffc107;
            --accent-dark: #c98800;
            --bg-body: #f4f6f9;
            --bg-white: #ffffff;
            --bg-dark: #0b1a2e;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a5568;
            --text-muted: #8899aa;
            --text-light: #f0f4f8;
            --border-color: #e2e8f0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 40px 80px rgba(0, 0, 0, 0.18);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-primary);
        }
        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2.2rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 通用组件 ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .section-title p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
        }
        .section-title .title-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 4px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: 2px solid transparent;
            background: var(--accent);
            color: var(--primary-dark);
        }
        .btn:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 165, 0, 0.35);
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            border-color: var(--accent);
            color: var(--accent);
        }
        .btn-outline:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-light);
        }
        .btn-primary:hover {
            background: var(--primary-light);
            color: var(--text-light);
            box-shadow: 0 8px 24px rgba(11, 26, 46, 0.3);
        }

        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--accent);
            color: var(--primary-dark);
            letter-spacing: 0.3px;
        }
        .badge-soft {
            background: rgba(240, 165, 0, 0.12);
            color: var(--accent-dark);
        }
        .badge-primary {
            background: var(--primary);
            color: var(--text-light);
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid var(--border-color);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(240, 165, 0, 0.2);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .card-body {
            padding: 24px;
        }
        .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .card-body p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 14px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .card-body .card-meta i {
            color: var(--accent);
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 26, 46, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--header-height);
            transition: background var(--transition);
        }
        .site-header .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .site-header .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-light);
            text-decoration: none;
            letter-spacing: -0.5px;
        }
        .site-header .logo:hover {
            color: var(--accent-light);
        }
        .site-header .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 10px;
            font-weight: 800;
            font-size: 1.2rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            transition: all var(--transition);
            position: relative;
        }
        .main-nav a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.08);
        }
        .main-nav a.active {
            color: var(--primary-dark);
            background: var(--accent);
            font-weight: 600;
        }
        .main-nav a.active:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
        }
        .main-nav a.nav-cta {
            background: rgba(240, 165, 0, 0.15);
            color: var(--accent-light);
            border: 1px solid rgba(240, 165, 0, 0.25);
            padding: 8px 24px;
            font-weight: 600;
        }
        .main-nav a.nav-cta:hover {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.6rem;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-toggle:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: 2px;
        }

        /* ===== Hero Banner ===== */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--primary-dark);
            overflow: hidden;
            padding: 80px 24px;
        }
        .category-hero .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            pointer-events: none;
        }
        .category-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 26, 46, 0.85) 0%, rgba(11, 26, 46, 0.4) 100%);
            pointer-events: none;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .category-hero .hero-content .hero-badge {
            display: inline-block;
            padding: 6px 22px;
            border-radius: 40px;
            background: rgba(240, 165, 0, 0.18);
            color: var(--accent-light);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            border: 1px solid rgba(240, 165, 0, 0.2);
        }
        .category-hero .hero-content h1 {
            font-size: 3.2rem;
            color: var(--text-light);
            margin-bottom: 16px;
            font-weight: 800;
            letter-spacing: -1px;
        }
        .category-hero .hero-content h1 span {
            color: var(--accent);
        }
        .category-hero .hero-content p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            line-height: 1.6;
        }
        .category-hero .hero-content .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 分类简介 ===== */
        .intro-section {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
        }
        .intro-section .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .intro-section .intro-text h2 {
            font-size: 2rem;
            margin-bottom: 16px;
        }
        .intro-section .intro-text p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 12px;
        }
        .intro-section .intro-text .intro-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .intro-section .intro-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .intro-section .intro-image img {
            width: 100%;
            height: auto;
            display: block;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        /* ===== 游戏卡片网格 ===== */
        .games-section {
            background: var(--bg-body);
        }
        .games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .games-grid .game-card .card-img-wrap {
            position: relative;
            overflow: hidden;
        }
        .games-grid .game-card .card-img-wrap .game-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 700;
            background: rgba(0, 0, 0, 0.6);
            color: var(--text-light);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .games-grid .game-card .card-img-wrap .game-rating {
            position: absolute;
            bottom: 14px;
            right: 14px;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(0, 0, 0, 0.65);
            color: var(--accent-light);
            backdrop-filter: blur(4px);
        }
        .games-grid .game-card .card-body h3 {
            font-size: 1.15rem;
        }
        .games-grid .game-card .card-body .game-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 12px;
        }
        .games-grid .game-card .card-body .game-tags span {
            padding: 2px 12px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(240, 165, 0, 0.08);
            color: var(--accent-dark);
        }
        .games-grid .game-card .card-body .game-btn {
            margin-top: 16px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            background: var(--primary);
            color: var(--text-light);
            transition: all var(--transition);
        }
        .games-grid .game-card .card-body .game-btn:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ===== 特色板块 ===== */
        .features-section {
            background: var(--bg-white);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .features-grid .feature-card {
            text-align: center;
            padding: 40px 28px;
            border-radius: var(--radius-md);
            background: var(--bg-body);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .features-grid .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(240, 165, 0, 0.2);
        }
        .features-grid .feature-card .feature-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 20px;
            font-size: 1.8rem;
            background: var(--primary);
            color: var(--accent);
        }
        .features-grid .feature-card h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        .features-grid .feature-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ===== 统计/数据板块 ===== */
        .stats-section {
            background: var(--primary);
            color: var(--text-light);
            padding: 70px 0;
        }
        .stats-section .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }
        .stats-section .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .stats-section .stat-item .stat-label {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }
        .stats-section .stat-item .stat-icon {
            font-size: 2rem;
            color: rgba(240, 165, 0, 0.3);
            margin-bottom: 8px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-white);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            background: var(--bg-body);
        }
        .faq-item:hover {
            border-color: rgba(240, 165, 0, 0.2);
        }
        .faq-question {
            width: 100%;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            text-align: left;
            gap: 12px;
        }
        .faq-question i {
            color: var(--accent);
            font-size: 1.1rem;
            transition: transform var(--transition);
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-question:hover {
            background: rgba(240, 165, 0, 0.04);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }
        .faq-answer p {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.1;
            pointer-events: none;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-section .cta-content h2 {
            font-size: 2.2rem;
            color: var(--text-light);
            margin-bottom: 14px;
        }
        .cta-section .cta-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
        }
        .cta-section .cta-content .btn {
            font-size: 1.1rem;
            padding: 14px 42px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-light);
            text-decoration: none;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 10px;
            font-weight: 800;
            font-size: 1.1rem;
        }
        .site-footer .footer-brand p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
            line-height: 1.6;
        }
        .site-footer .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .site-footer .footer-col ul li a i {
            font-size: 0.6rem;
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .games-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-section .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .intro-section .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .intro-section .intro-image {
                order: -1;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .category-hero .hero-content h1 {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .section-padding {
                padding: 56px 0;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(11, 26, 46, 0.98);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                box-shadow: var(--shadow-lg);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 18px;
                font-size: 1rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .main-nav a.nav-cta {
                margin-top: 6px;
                text-align: center;
                justify-content: center;
            }
            .nav-toggle {
                display: block;
            }
            .category-hero {
                min-height: 320px;
                padding: 60px 20px;
            }
            .category-hero .hero-content h1 {
                font-size: 2rem;
            }
            .category-hero .hero-content p {
                font-size: 1rem;
            }
            .games-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-section .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .stats-section .stat-item .stat-number {
                font-size: 2rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .cta-section .cta-content h2 {
                font-size: 1.6rem;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 14px 18px;
            }
            .faq-answer {
                padding: 0 18px 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero .hero-content h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-content .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .category-hero .hero-content .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-section .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .games-grid .game-card .card-body {
                padding: 16px;
            }
            .features-grid .feature-card {
                padding: 28px 20px;
            }
            .btn {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .site-header .logo {
                font-size: 1.15rem;
            }
            .site-header .logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
        }

        /* ===== 工具类 ===== */
        .text-center {
            text-align: center;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }