/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f1923;
            --primary-light: #1a2a3a;
            --primary-medium: #152233;
            --accent: #ff4655;
            --accent-hover: #ff5f6d;
            --accent-soft: rgba(255, 70, 85, 0.12);
            --gold: #f0b90b;
            --gold-hover: #f5c82e;
            --gold-soft: rgba(240, 185, 11, 0.1);
            --text: #ece8e1;
            --text-muted: #8b978f;
            --text-dim: #5a6a6a;
            --border: #2a3a4a;
            --border-light: #3a4a5a;
            --card-bg: #1a2a3a;
            --card-hover: #1f3245;
            --overlay: rgba(0, 0, 0, 0.7);
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.2);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --container-width: 1200px;
            --nav-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);
            background: var(--primary);
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--gold); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--gold-hover); }
        a:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; border-radius: 4px; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button { cursor: pointer; background: none; }
        button:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; border-radius: 4px; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
        h1 { font-size: 2.8rem; letter-spacing: -0.02em; }
        h2 { font-size: 2.2rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.4rem; }
        h4 { font-size: 1.1rem; }
        p { color: var(--text-muted); }

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

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(15, 25, 35, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(42, 58, 74, 0.5);
            transition: background var(--transition);
        }
        .site-header.scrolled {
            background: rgba(15, 25, 35, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent), var(--gold));
            border-radius: var(--radius-xs);
            font-size: 1.2rem;
            color: #fff;
        }
        .logo span { color: var(--gold); }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-xs);
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a i { font-size: 0.85rem; }
        .nav-links a:hover {
            color: var(--text);
            background: var(--accent-soft);
        }
        .nav-links a.active {
            color: var(--text);
            background: var(--accent-soft);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--accent), #d6303f);
            color: #fff !important;
            border-radius: var(--radius-xs);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(255, 70, 85, 0.3);
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 70, 85, 0.45);
            background: linear-gradient(135deg, var(--accent-hover), #e04050);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            color: var(--text);
            font-size: 1.4rem;
            border-radius: var(--radius-xs);
            transition: background var(--transition);
        }
        .nav-toggle:hover { background: var(--accent-soft); }

        /* ===== Hero Section ===== */
        .hero {
            position: relative;
            padding: 140px 0 80px;
            min-height: 85vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: linear-gradient(160deg, #0a121c 0%, #152233 40%, #0f1923 100%);
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 70, 85, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(240, 185, 11, 0.06), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero .container { position: relative; z-index: 2; }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .hero-content { max-width: 600px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: var(--gold-soft);
            border: 1px solid rgba(240, 185, 11, 0.2);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--gold);
            font-weight: 600;
            margin-bottom: 24px;
        }
        .hero-badge i { font-size: 0.75rem; }
        .hero h1 { font-size: 3.2rem; margin-bottom: 20px; }
        .hero h1 .highlight { background: linear-gradient(135deg, var(--gold), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero p {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 520px;
            line-height: 1.8;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            background: linear-gradient(135deg, var(--accent), #d6303f);
            color: #fff !important;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(255, 70, 85, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(255, 70, 85, 0.5);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            background: transparent;
            color: var(--text) !important;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1.05rem;
            transition: all var(--transition);
        }
        .btn-secondary:hover {
            border-color: var(--gold);
            color: var(--gold) !important;
            background: var(--gold-soft);
            transform: translateY(-3px);
        }
        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-card-showcase {
            width: 100%;
            max-width: 480px;
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 32px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            backdrop-filter: blur(10px);
        }
        .hero-card-showcase .card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }
        .hero-card-showcase .card-header h4 { font-size: 1rem; color: var(--text); }
        .hero-card-showcase .card-header .tag {
            padding: 4px 12px;
            background: var(--accent-soft);
            color: var(--accent);
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .hero-game-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .hero-game-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .hero-game-item:hover {
            background: var(--card-hover);
            border-color: var(--border);
            transform: translateX(4px);
        }
        .hero-game-item .game-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-xs);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .hero-game-item .game-icon.icon-rpg { background: linear-gradient(135deg, #6c5ce7, #a29bfe); }
        .hero-game-item .game-icon.icon-action { background: linear-gradient(135deg, #e17055, #fab1a0); }
        .hero-game-item .game-icon.icon-strategy { background: linear-gradient(135deg, #00b894, #55efc4); }
        .hero-game-item .game-icon.icon-casual { background: linear-gradient(135deg, #fdcb6e, #ffeaa7); }
        .hero-game-item .game-info { flex: 1; }
        .hero-game-item .game-info .name { font-weight: 600; font-size: 0.95rem; color: var(--text); }
        .hero-game-item .game-info .meta { font-size: 0.8rem; color: var(--text-dim); }
        .hero-game-item .game-rank { font-weight: 700; color: var(--gold); font-size: 0.85rem; }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--primary-light);
        }
        .section-darker {
            background: #0c1520;
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-header h2 { margin-bottom: 12px; }
        .section-header p {
            max-width: 620px;
            margin: 0 auto;
            color: var(--text-muted);
            font-size: 1.05rem;
        }
        .section-header .sub-label {
            display: inline-block;
            padding: 4px 16px;
            background: var(--accent-soft);
            color: var(--accent);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        /* ===== Features Section ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 36px 28px;
            border: 1px solid var(--border);
            transition: all var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            border-color: var(--accent);
            transform: translateY(-6px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
        }
        .feature-card .icon-wrap {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
        }
        .feature-card .icon-wrap.blue { background: linear-gradient(135deg, #3b82f6, #60a5fa); }
        .feature-card .icon-wrap.red { background: linear-gradient(135deg, var(--accent), #ff7b8a); }
        .feature-card .icon-wrap.gold { background: linear-gradient(135deg, var(--gold), #f5c82e); }
        .feature-card h3 { margin-bottom: 10px; font-size: 1.2rem; }
        .feature-card p { font-size: 0.95rem; line-height: 1.7; }

        /* ===== Games / Cards Grid ===== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .game-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .game-card:hover {
            transform: translateY(-6px);
            border-color: var(--gold);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
        }
        .game-card .card-banner {
            height: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.4rem;
            position: relative;
        }
        .game-card .card-banner.bg1 { background: linear-gradient(135deg, #2d1b69, #6c5ce7); }
        .game-card .card-banner.bg2 { background: linear-gradient(135deg, #c0392b, #e17055); }
        .game-card .card-banner.bg3 { background: linear-gradient(135deg, #0e6655, #00b894); }
        .game-card .card-banner.bg4 { background: linear-gradient(135deg, #b7950b, #fdcb6e); }
        .game-card .card-banner .badge {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 3px 12px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            border-radius: 50px;
            font-size: 0.7rem;
            color: var(--text);
            font-weight: 600;
        }
        .game-card .card-body {
            padding: 20px;
        }
        .game-card .card-body h4 { font-size: 1.05rem; margin-bottom: 6px; }
        .game-card .card-body .genre {
            font-size: 0.8rem;
            color: var(--text-dim);
            margin-bottom: 10px;
        }
        .game-card .card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .game-card .card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 20px 18px;
        }
        .game-card .card-footer .rating {
            color: var(--gold);
            font-size: 0.85rem;
            font-weight: 600;
        }
        .game-card .card-footer .rating i { margin-right: 4px; }
        .game-card .card-footer .play-btn {
            padding: 6px 18px;
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            transition: all var(--transition);
        }
        .game-card .card-footer .play-btn:hover {
            background: var(--accent-hover);
            transform: scale(1.05);
        }

        /* ===== Latest News / CMS List ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 24px;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .news-item:hover {
            border-color: var(--accent);
            background: var(--card-hover);
            transform: translateX(4px);
        }
        .news-item .news-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-xs);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
            background: var(--accent-soft);
            color: var(--accent);
        }
        .news-item .news-content { flex: 1; min-width: 0; }
        .news-item .news-content .news-title {
            font-weight: 600;
            color: var(--text);
            font-size: 1rem;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-content .news-title a { color: var(--text); }
        .news-item .news-content .news-title a:hover { color: var(--gold); }
        .news-item .news-content .news-meta {
            font-size: 0.8rem;
            color: var(--text-dim);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .news-item .news-content .news-meta span { display: flex; align-items: center; gap: 4px; }
        .news-item .news-content .news-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-dim);
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border: 1px dashed var(--border);
        }
        .news-empty i { font-size: 2rem; margin-bottom: 12px; display: block; }

        /* ===== Category Section ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .category-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .category-card:hover {
            border-color: var(--gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
        }
        .category-card .cat-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 14px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
        }
        .category-card .cat-icon.c1 { background: linear-gradient(135deg, #6c5ce7, #a29bfe); }
        .category-card .cat-icon.c2 { background: linear-gradient(135deg, #00cec9, #81ecec); }
        .category-card .cat-icon.c3 { background: linear-gradient(135deg, #fd79a8, #fab1c0); }
        .category-card .cat-icon.c4 { background: linear-gradient(135deg, #fdcb6e, #ffeaa7); color: #6b5b2e; }
        .category-card h4 { font-size: 1.05rem; margin-bottom: 4px; }
        .category-card p { font-size: 0.85rem; color: var(--text-dim); }

        /* ===== Stats Section ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 16px;
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .stat-card:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
        }
        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--gold), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 6px;
        }
        .stat-card .stat-label { font-size: 0.95rem; color: var(--text-muted); font-weight: 500; }
        .stat-card .stat-icon { font-size: 1.6rem; color: var(--text-dim); margin-bottom: 12px; }

        /* ===== Reviews Section ===== */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .review-card:hover {
            border-color: var(--gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
        }
        .review-card .review-stars { color: var(--gold); margin-bottom: 12px; font-size: 0.9rem; }
        .review-card .review-text {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }
        .review-card .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .review-card .review-author .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
        }
        .review-card .review-author .avatar.a1 { background: linear-gradient(135deg, #6c5ce7, #a29bfe); }
        .review-card .review-author .avatar.a2 { background: linear-gradient(135deg, #00b894, #55efc4); }
        .review-card .review-author .avatar.a3 { background: linear-gradient(135deg, #fd79a8, #fab1c0); }
        .review-card .review-author .info .name { font-weight: 600; font-size: 0.9rem; color: var(--text); }
        .review-card .review-author .info .role { font-size: 0.78rem; color: var(--text-dim); }

        /* ===== FAQ Section ===== */
        .faq-grid {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--border-light); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            transition: background var(--transition);
            user-select: none;
        }
        .faq-question:hover { background: var(--accent-soft); }
        .faq-question i { color: var(--gold); transition: transform var(--transition); font-size: 0.85rem; }
        .faq-question.active i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.4s ease;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            padding: 0 24px 20px;
            max-height: 300px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #0f1923, #1a2a3a);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .cta-box {
            text-align: center;
            padding: 60px 40px;
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 70, 85, 0.06), transparent 70%);
            border-radius: 50%;
        }
        .cta-box h2 { margin-bottom: 12px; font-size: 2rem; }
        .cta-box p { max-width: 520px; margin: 0 auto 28px; font-size: 1.05rem; }
        .cta-box .btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a121c;
            padding: 48px 0 24px;
            border-top: 1px solid var(--border);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo { margin-bottom: 14px; }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-dim);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            color: var(--text);
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            padding: 4px 0;
            font-size: 0.88rem;
            color: var(--text-dim);
            transition: all var(--transition);
        }
        .footer-col a:hover { color: var(--gold); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-dim);
        }
        .footer-bottom .social-links {
            display: flex;
            gap: 12px;
        }
        .footer-bottom .social-links a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dim);
            transition: all var(--transition);
        }
        .footer-bottom .social-links a:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: var(--gold-soft);
        }

        /* ===== Scroll to Top ===== */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 20px rgba(255, 70, 85, 0.35);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: all var(--transition);
            z-index: 999;
        }
        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .scroll-top:hover {
            background: var(--accent-hover);
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(255, 70, 85, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .hero h1 { font-size: 2.6rem; }
            .hero-grid { gap: 40px; }
            .cards-grid { grid-template-columns: repeat(2, 1fr); }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .reviews-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }

        @media (max-width: 768px) {
            :root { --nav-height: 64px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .section { padding: 56px 0; }
            .hero { padding: 100px 0 56px; min-height: auto; }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1rem; }
            .hero-grid { grid-template-columns: 1fr; gap: 32px; }
            .hero-visual { order: -1; }
            .hero-card-showcase { max-width: 100%; padding: 20px; }
            .features-grid { grid-template-columns: 1fr; gap: 20px; }
            .cards-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .category-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
            .reviews-grid { grid-template-columns: 1fr; gap: 16px; }
            .news-item { flex-direction: column; align-items: flex-start; gap: 12px; padding: 16px; }
            .nav-links { display: none; }
            .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(15, 25, 35, 0.98);
                backdrop-filter: blur(20px);
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
            }
            .nav-links.open a { padding: 12px 16px; width: 100%; }
            .nav-links.open a.active::after { display: none; }
            .nav-links.open a.active { background: var(--accent-soft); border-radius: var(--radius-xs); }
            .nav-links.open .nav-cta { margin-top: 8px; justify-content: center; }
            .nav-toggle { display: flex; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-box { padding: 40px 20px; }
            .cta-box h2 { font-size: 1.6rem; }
            .faq-question { padding: 14px 18px; font-size: 0.95rem; }
            .scroll-top { bottom: 20px; right: 20px; width: 42px; height: 42px; font-size: 1rem; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            h1 { font-size: 1.7rem; }
            h2 { font-size: 1.4rem; }
            .hero h1 { font-size: 1.8rem; }
            .hero-btns { flex-direction: column; }
            .btn-primary, .btn-secondary { justify-content: center; padding: 14px 24px; }
            .cards-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
            .stat-card { padding: 20px 12px; }
            .stat-card .stat-number { font-size: 2rem; }
            .hero-card-showcase { padding: 16px; }
            .hero-game-item { padding: 10px 12px; }
            .news-item { padding: 14px; }
            .game-card .card-banner { height: 100px; }
            .section-header { margin-bottom: 32px; }
            .footer-grid { gap: 20px; }
            .review-card { padding: 20px; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --secondary-light: #fdcb6e;
            --accent: #00cec9;
            --bg-body: #0a0a1a;
            --bg-card: #14142a;
            --bg-card-hover: #1c1c3a;
            --bg-section-alt: #0f0f24;
            --bg-hero: linear-gradient(135deg, #0a0a1a 0%, #1a1a3a 50%, #0a0a1a 100%);
            --text-primary: #f0f0f8;
            --text-secondary: #b0b0d0;
            --text-weak: #7a7a9a;
            --border-color: rgba(108, 92, 231, 0.25);
            --border-light: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(108, 92, 231, 0.15);
            --shadow-lg: 0 16px 56px rgba(108, 92, 231, 0.25);
            --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.12);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', 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-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 4px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: transparent;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
        }
        h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
        }
        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.6rem);
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.8rem);
        }
        h4 {
            font-size: clamp(1rem, 1.8vw, 1.3rem);
        }
        p {
            color: var(--text-secondary);
            margin-bottom: 0.8rem;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .text-center {
            text-align: center;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary-light);
            background: rgba(108, 92, 231, 0.15);
            padding: 6px 18px;
            border-radius: 50px;
            margin-bottom: 16px;
            border: 1px solid rgba(108, 92, 231, 0.2);
        }
        .section-title {
            margin-bottom: 12px;
        }
        .section-sub {
            max-width: 640px;
            color: var(--text-weak);
            font-size: 1.05rem;
            margin: 0 auto 48px auto;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 2px solid transparent;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 92, 231, 0.35);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border-color: var(--border-color);
        }
        .btn-secondary:hover {
            background: rgba(108, 92, 231, 0.1);
            border-color: var(--primary-light);
            color: var(--primary-light);
            transform: translateY(-2px);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-secondary);
            border-color: transparent;
            padding: 8px 16px;
        }
        .btn-ghost:hover {
            color: var(--primary-light);
            background: rgba(108, 92, 231, 0.08);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }
        .btn .fa-arrow-right {
            transition: transform var(--transition);
        }
        .btn:hover .fa-arrow-right {
            transform: translateX(4px);
        }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: rgba(108, 92, 231, 0.18);
            color: var(--primary-light);
            border: 1px solid rgba(108, 92, 231, 0.2);
        }
        .badge-hot {
            background: rgba(253, 121, 168, 0.2);
            color: var(--secondary);
            border-color: rgba(253, 121, 168, 0.25);
        }
        .badge-new {
            background: rgba(0, 206, 201, 0.2);
            color: var(--accent);
            border-color: rgba(0, 206, 201, 0.25);
        }
        .badge-top {
            background: rgba(253, 203, 110, 0.2);
            color: var(--secondary-light);
            border-color: rgba(253, 203, 110, 0.25);
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            z-index: 1000;
            background: rgba(10, 10, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            transition: opacity var(--transition);
        }
        .logo:hover {
            opacity: 0.9;
            color: var(--text-primary);
        }
        .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: 12px;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
        }
        .logo span {
            color: var(--primary-light);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.92rem;
            padding: 8px 18px;
            border-radius: 50px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-links a.active {
            color: #fff;
            background: rgba(108, 92, 231, 0.25);
            border: 1px solid rgba(108, 92, 231, 0.3);
        }
        .nav-links a.active::after {
            display: none;
        }
        .nav-links a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--secondary)) !important;
            color: #fff !important;
            font-weight: 700 !important;
            padding: 10px 24px !important;
            border: none !important;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(108, 92, 231, 0.45) !important;
            background: linear-gradient(135deg, var(--primary-dark), var(--secondary)) !important;
            color: #fff !important;
        }
        .nav-cta:active {
            transform: translateY(0);
        }
        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--text-primary);
            padding: 6px 10px;
            background: transparent;
            border: none;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ===== Hero ===== */
        .hero-guide {
            padding: 160px 0 80px 0;
            background: var(--bg-hero);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }
        .hero-guide::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.12), transparent 70%);
            pointer-events: none;
        }
        .hero-guide::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(253, 121, 168, 0.08), transparent 70%);
            pointer-events: none;
        }
        .hero-guide .container {
            position: relative;
            z-index: 1;
        }
        .hero-flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
        }
        .hero-text {
            flex: 1 1 55%;
        }
        .hero-text .badge {
            margin-bottom: 20px;
        }
        .hero-text h1 {
            font-size: clamp(2.4rem, 5vw, 3.8rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 40%, var(--primary-light) 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-text p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .hero-visual {
            flex: 0 0 38%;
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        .hero-card-stack {
            width: 100%;
            max-width: 380px;
            background: rgba(20, 20, 42, 0.7);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-lg);
        }
        .hero-card-stack .stack-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .hero-card-stack .stack-item:last-child {
            border-bottom: none;
        }
        .stack-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }
        .stack-icon.purple {
            background: linear-gradient(135deg, #6c5ce7, #a29bfe);
        }
        .stack-icon.pink {
            background: linear-gradient(135deg, #fd79a8, #e84393);
        }
        .stack-icon.teal {
            background: linear-gradient(135deg, #00cec9, #00b894);
        }
        .stack-icon.orange {
            background: linear-gradient(135deg, #fdcb6e, #e17055);
        }
        .stack-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .stack-info span {
            font-size: 0.8rem;
            color: var(--text-weak);
        }

        /* ===== 分类标签 ===== */
        .tag-filter {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-bottom: 48px;
        }
        .tag-filter .tag-btn {
            padding: 10px 24px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            transition: all var(--transition);
            cursor: pointer;
        }
        .tag-filter .tag-btn:hover {
            background: rgba(108, 92, 231, 0.12);
            border-color: rgba(108, 92, 231, 0.3);
            color: var(--text-primary);
        }
        .tag-filter .tag-btn.active {
            background: rgba(108, 92, 231, 0.2);
            border-color: var(--primary);
            color: var(--primary-light);
        }
        .tag-filter .tag-btn i {
            margin-right: 6px;
            font-size: 0.8rem;
        }

        /* ===== 攻略卡片网格 ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            border-color: rgba(108, 92, 231, 0.3);
            box-shadow: 0 16px 48px rgba(108, 92, 231, 0.12);
            background: var(--bg-card-hover);
        }
        .guide-card-image {
            position: relative;
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: linear-gradient(135deg, #1a1a3a, #2a1a3a);
        }
        .guide-card-image .placeholder-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: rgba(255, 255, 255, 0.06);
            background: linear-gradient(135deg, #1c1c3a, #2c1c3a);
        }
        .guide-card-image .placeholder-img i {
            font-size: 3.5rem;
        }
        .guide-card-image .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            font-size: 0.75rem;
            padding: 4px 12px;
            background: rgba(10, 10, 26, 0.7);
            backdrop-filter: blur(6px);
            border-color: transparent;
        }
        .guide-card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card-body .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-weak);
            margin-bottom: 10px;
        }
        .guide-card-body .meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .guide-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .guide-card-body h3 a {
            color: var(--text-primary);
            transition: color var(--transition);
        }
        .guide-card-body h3 a:hover {
            color: var(--primary-light);
        }
        .guide-card-body p {
            font-size: 0.9rem;
            color: var(--text-weak);
            margin-bottom: 16px;
            flex: 1;
        }
        .guide-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--border-light);
        }
        .guide-card-footer .tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .guide-card-footer .tags .mini-tag {
            font-size: 0.7rem;
            padding: 2px 10px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-weak);
            border: 1px solid var(--border-light);
        }
        .guide-card-footer .read-btn {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-light);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .guide-card-footer .read-btn:hover {
            gap: 10px;
            color: var(--secondary);
        }

        /* ===== 热门攻略排行 ===== */
        .rank-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--bg-card);
            padding: 18px 22px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .rank-item:hover {
            border-color: rgba(108, 92, 231, 0.25);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }
        .rank-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            background: rgba(108, 92, 231, 0.15);
            color: var(--primary-light);
            flex-shrink: 0;
        }
        .rank-num.top1 {
            background: rgba(253, 203, 110, 0.25);
            color: var(--secondary-light);
        }
        .rank-num.top2 {
            background: rgba(0, 206, 201, 0.2);
            color: var(--accent);
        }
        .rank-num.top3 {
            background: rgba(253, 121, 168, 0.2);
            color: var(--secondary);
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-info span {
            font-size: 0.8rem;
            color: var(--text-weak);
        }
        .rank-hot {
            font-size: 0.8rem;
            color: var(--text-weak);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .rank-hot i {
            color: var(--secondary);
        }

        /* ===== 分类入口 ===== */
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .cat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 20px 28px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .cat-card:hover {
            transform: translateY(-6px);
            border-color: rgba(108, 92, 231, 0.3);
            box-shadow: 0 12px 40px rgba(108, 92, 231, 0.1);
            background: var(--bg-card-hover);
        }
        .cat-card .cat-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
            margin: 0 auto 16px;
        }
        .cat-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .cat-card p {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-bottom: 16px;
        }
        .cat-card .badge {
            font-size: 0.75rem;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.2);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            cursor: pointer;
            background: transparent;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-question i {
            font-size: 0.85rem;
            color: var(--text-weak);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.12), rgba(253, 121, 168, 0.08));
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.08), transparent 70%);
            pointer-events: none;
        }
        .cta-block h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            margin-bottom: 12px;
        }
        .cta-block p {
            max-width: 520px;
            margin: 0 auto 32px;
            color: var(--text-weak);
        }
        .cta-block .btn {
            font-size: 1.05rem;
            padding: 14px 40px;
        }

        /* ===== 分页 ===== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 48px;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .pagination a:hover {
            border-color: rgba(108, 92, 231, 0.3);
            color: var(--primary-light);
            background: rgba(108, 92, 231, 0.08);
        }
        .pagination .active-page {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .pagination .prev,
        .pagination .next {
            width: auto;
            padding: 0 18px;
            border-radius: 50px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #08081a;
            border-top: 1px solid var(--border-light);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-weak);
            padding: 5px 0;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 6px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 28px;
            border-top: 1px solid var(--border-light);
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-weak);
            margin: 0;
        }
        .social-links {
            display: flex;
            gap: 12px;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-light);
            color: var(--text-weak);
            font-size: 1rem;
            transition: all var(--transition);
        }
        .social-links a:hover {
            background: rgba(108, 92, 231, 0.15);
            border-color: rgba(108, 92, 231, 0.3);
            color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .hero-visual {
                flex: 0 0 42%;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
            .section-padding {
                padding: 56px 0;
            }
            .header-inner {
                padding: 0 18px;
            }
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                flex-direction: column;
                background: rgba(10, 10, 26, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                padding: 20px 18px 28px;
                border-bottom: 1px solid var(--border-light);
                transform: translateY(-110%);
                opacity: 0;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                gap: 6px;
                box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                pointer-events: none;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 20px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .nav-links a.nav-cta {
                text-align: center;
                margin-top: 8px;
            }
            .nav-toggle {
                display: block;
            }
            .hero-flex {
                flex-direction: column;
                gap: 32px;
            }
            .hero-text {
                text-align: center;
            }
            .hero-text p {
                margin: 0 auto 28px;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-visual {
                flex: 1 1 100%;
                width: 100%;
            }
            .hero-card-stack {
                max-width: 100%;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .rank-list {
                grid-template-columns: 1fr;
            }
            .cat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-block {
                padding: 40px 24px;
            }
            .tag-filter {
                gap: 8px;
            }
            .tag-filter .tag-btn {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .pagination a,
            .pagination span {
                width: 36px;
                height: 36px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 520px) {
            .hero-guide {
                padding: 130px 0 56px 0;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .cat-grid {
                grid-template-columns: 1fr;
            }
            .guide-card-body {
                padding: 18px 18px 20px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
            .cta-block h2 {
                font-size: 1.4rem;
            }
            .hero-card-stack {
                padding: 22px 18px;
            }
            .stack-info h4 {
                font-size: 0.85rem;
            }
            .rank-item {
                padding: 14px 16px;
                gap: 12px;
            }
            .rank-info h4 {
                font-size: 0.85rem;
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
    :root {
        --primary: #6C5CE7;
        --primary-dark: #5A4BD1;
        --primary-light: #A29BFE;
        --primary-bg: rgba(108, 92, 231, 0.08);
        --secondary: #00CEC9;
        --secondary-dark: #00B5B0;
        --secondary-light: #81ECEC;
        --accent: #FD79A8;
        --bg: #F8F9FA;
        --bg-alt: #EDEDF0;
        --bg-dark: #2D3436;
        --card-bg: #FFFFFF;
        --text: #2D3436;
        --text-light: #636E72;
        --text-lighter: #B2BEC3;
        --border: #DFE6E9;
        --border-light: #F0F0F5;
        --radius: 12px;
        --radius-sm: 8px;
        --radius-lg: 16px;
        --radius-xl: 20px;
        --shadow: 0 4px 20px rgba(0,0,0,0.08);
        --shadow-sm: 0 2px 10px rgba(0,0,0,0.05);
        --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
        --shadow-hover: 0 14px 50px rgba(108,92,231,0.15);
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        --max-width: 1200px;
        --header-height: 72px;
    }

    /* ===== Reset / Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 16px; }
    body {
        font-family: var(--font);
        color: var(--text);
        background: var(--bg);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }
    a { color: var(--primary); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--primary-dark); }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
    h1 { font-size: 2.4rem; letter-spacing: -0.02em; }
    h2 { font-size: 2rem; letter-spacing: -0.01em; }
    h3 { font-size: 1.4rem; }
    h4 { font-size: 1.2rem; }
    p { margin-bottom: 1rem; color: var(--text-light); }
    .container {
        width: 100%;
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 24px;
    }
    section { padding: 80px 0; }
    .section-title {
        text-align: center;
        margin-bottom: 48px;
    }
    .section-title h2 {
        position: relative;
        display: inline-block;
        margin-bottom: 12px;
    }
    .section-title h2::after {
        content: '';
        display: block;
        width: 60px;
        height: 4px;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        border-radius: 4px;
        margin: 12px auto 0;
    }
    .section-title p {
        font-size: 1.1rem;
        color: var(--text-light);
        max-width: 600px;
        margin: 0 auto;
    }

    /* ===== 按钮 ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: 50px;
        font-size: 1rem;
        font-weight: 600;
        border: none;
        cursor: pointer;
        transition: var(--transition);
        background: var(--primary);
        color: #fff;
        text-decoration: none;
        box-shadow: 0 4px 15px rgba(108,92,231,0.35);
    }
    .btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(108,92,231,0.4); color: #fff; }
    .btn:active { transform: translateY(0); }
    .btn-outline {
        background: transparent;
        color: var(--primary);
        border: 2px solid var(--primary);
        box-shadow: none;
    }
    .btn-outline:hover { background: var(--primary); color: #fff; box-shadow: 0 4px 15px rgba(108,92,231,0.3); }
    .btn-sm { padding: 8px 20px; font-size: 0.9rem; }
    .btn-lg { padding: 16px 36px; font-size: 1.1rem; }
    .btn-secondary { background: var(--secondary); box-shadow: 0 4px 15px rgba(0,206,201,0.35); }
    .btn-secondary:hover { background: var(--secondary-dark); box-shadow: 0 8px 30px rgba(0,206,201,0.4); }

    /* ===== 徽章 / 标签 ===== */
    .badge {
        display: inline-block;
        padding: 4px 14px;
        border-radius: 50px;
        font-size: 0.8rem;
        font-weight: 600;
        background: var(--primary-bg);
        color: var(--primary);
        transition: var(--transition);
    }
    .badge-primary { background: var(--primary); color: #fff; }
    .badge-secondary { background: rgba(0,206,201,0.15); color: var(--secondary-dark); }
    .badge-hot { background: rgba(253,121,168,0.15); color: var(--accent); }
    .badge-sm { padding: 2px 10px; font-size: 0.7rem; }

    /* ===== 卡片 ===== */
    .card {
        background: var(--card-bg);
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        overflow: hidden;
        transition: var(--transition);
        border: 1px solid var(--border-light);
    }
    .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
    .card-body { padding: 24px; }
    .card-body h3 { margin-bottom: 8px; font-size: 1.15rem; }
    .card-body p { font-size: 0.95rem; color: var(--text-light); margin-bottom: 12px; }
    .card-meta { display: flex; align-items: center; gap: 16px; font-size: 0.85rem; color: var(--text-lighter); }
    .card-meta i { margin-right: 4px; }

    /* ===== Header / 导航 ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: var(--header-height);
        background: rgba(255,255,255,0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border-light);
        z-index: 1000;
        transition: var(--transition);
        box-shadow: 0 2px 20px rgba(0,0,0,0.04);
    }
    .site-header.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.08); }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--text);
        text-decoration: none;
    }
    .logo span { color: var(--primary); }
    .logo .logo-icon {
        width: 40px;
        height: 40px;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.2rem;
    }
    .nav-links { display: flex; align-items: center; gap: 8px; }
    .nav-links a {
        padding: 8px 18px;
        border-radius: 50px;
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--text-light);
        text-decoration: none;
        transition: var(--transition);
        position: relative;
    }
    .nav-links a:hover { color: var(--primary); background: var(--primary-bg); }
    .nav-links a.active { color: var(--primary); background: var(--primary-bg); font-weight: 600; }
    .nav-links a.active::after { display: none; }
    .nav-links a.nav-cta {
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
        padding: 10px 24px;
        font-weight: 600;
        box-shadow: 0 4px 15px rgba(108,92,231,0.3);
    }
    .nav-links a.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(108,92,231,0.4); background: linear-gradient(135deg, var(--primary-dark), var(--primary)); }
    .nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text); cursor: pointer; padding: 8px; border-radius: var(--radius-sm); transition: var(--transition); }
    .nav-toggle:hover { background: var(--bg-alt); }

    /* ===== 文章页样式 ===== */
    .article-page { padding-top: var(--header-height); }

    /* 文章头部 */
    .article-header {
        background: linear-gradient(135deg, #2D3436 0%, #1a1a2e 50%, #16213e 100%);
        padding: 80px 0 60px;
        position: relative;
        overflow: hidden;
    }
    .article-header::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 600px;
        height: 600px;
        background: radial-gradient(circle, rgba(108,92,231,0.15) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }
    .article-header::after {
        content: '';
        position: absolute;
        bottom: -30%;
        left: -10%;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(0,206,201,0.1) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }
    .article-header .container { position: relative; z-index: 2; }
    .article-breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.9rem;
        color: rgba(255,255,255,0.6);
        margin-bottom: 24px;
    }
    .article-breadcrumb a { color: rgba(255,255,255,0.7); }
    .article-breadcrumb a:hover { color: #fff; }
    .article-breadcrumb i { font-size: 0.7rem; }
    .article-header .badge {
        background: rgba(108,92,231,0.3);
        color: #fff;
        border: 1px solid rgba(255,255,255,0.1);
        margin-bottom: 16px;
        display: inline-block;
    }
    .article-header h1 {
        color: #fff;
        font-size: 2.6rem;
        font-weight: 800;
        line-height: 1.25;
        max-width: 900px;
        margin-bottom: 20px;
        letter-spacing: -0.02em;
    }
    .article-meta-bar {
        display: flex;
        flex-wrap: wrap;
        gap: 24px;
        align-items: center;
        color: rgba(255,255,255,0.7);
        font-size: 0.95rem;
    }
    .article-meta-bar i { margin-right: 6px; color: rgba(255,255,255,0.5); }
    .article-meta-bar .author-avatar {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 0.85rem;
        font-weight: 700;
        margin-right: 8px;
    }
    .article-meta-bar .meta-item { display: flex; align-items: center; }

    /* 文章正文 */
    .article-body-section { padding: 60px 0 40px; }
    .article-layout {
        display: grid;
        grid-template-columns: 1fr 300px;
        gap: 48px;
        align-items: start;
    }
    .article-main {
        background: var(--card-bg);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow);
        padding: 48px;
        border: 1px solid var(--border-light);
    }
    .article-main .article-content {
        font-size: 1.05rem;
        line-height: 1.9;
        color: var(--text);
    }
    .article-main .article-content p { margin-bottom: 1.4rem; color: var(--text); }
    .article-main .article-content h2, 
    .article-main .article-content h3 { margin-top: 2rem; margin-bottom: 1rem; }
    .article-main .article-content ul, 
    .article-main .article-content ol { margin-bottom: 1.4rem; padding-left: 1.5rem; }
    .article-main .article-content ul li { list-style: disc; margin-bottom: 0.4rem; color: var(--text); }
    .article-main .article-content ol li { list-style: decimal; margin-bottom: 0.4rem; color: var(--text); }
    .article-main .article-content img { border-radius: var(--radius); margin: 1.5rem 0; box-shadow: var(--shadow); }
    .article-main .article-content blockquote {
        border-left: 4px solid var(--primary);
        padding: 16px 24px;
        margin: 1.5rem 0;
        background: var(--primary-bg);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        font-style: italic;
        color: var(--text-light);
    }
    .article-main .article-content a { color: var(--primary); text-decoration: underline; }

    /* 文章标签与分享 */
    .article-footer-bar {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        margin-top: 40px;
        padding-top: 24px;
        border-top: 1px solid var(--border);
    }
    .article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
    .article-tags .tag {
        padding: 6px 16px;
        border-radius: 50px;
        background: var(--bg);
        color: var(--text-light);
        font-size: 0.85rem;
        font-weight: 500;
        transition: var(--transition);
        border: 1px solid var(--border-light);
    }
    .article-tags .tag:hover { background: var(--primary-bg); color: var(--primary); border-color: var(--primary-light); }
    .article-share { display: flex; align-items: center; gap: 10px; }
    .article-share span { font-size: 0.9rem; color: var(--text-light); font-weight: 500; }
    .article-share a {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--bg);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-light);
        transition: var(--transition);
        border: 1px solid var(--border-light);
    }
    .article-share a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }

    /* 侧边栏 */
    .article-sidebar {
        display: flex;
        flex-direction: column;
        gap: 32px;
    }
    .sidebar-card {
        background: var(--card-bg);
        border-radius: var(--radius);
        padding: 28px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
    }
    .sidebar-card h4 {
        font-size: 1.1rem;
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .sidebar-card h4 i { color: var(--primary); }
    .sidebar-list { display: flex; flex-direction: column; gap: 12px; }
    .sidebar-list a {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 12px 0;
        border-bottom: 1px solid var(--border-light);
        transition: var(--transition);
    }
    .sidebar-list a:last-child { border-bottom: none; }
    .sidebar-list a:hover { padding-left: 8px; }
    .sidebar-list .s-thumb {
        width: 60px;
        height: 60px;
        border-radius: var(--radius-sm);
        background: var(--bg-alt);
        flex-shrink: 0;
        overflow: hidden;
    }
    .sidebar-list .s-thumb img { width: 100%; height: 100%; object-fit: cover; }
    .sidebar-list .s-info { flex: 1; min-width: 0; }
    .sidebar-list .s-info h5 { font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; line-height: 1.4; }
    .sidebar-list .s-info span { font-size: 0.8rem; color: var(--text-lighter); }
    .sidebar-cta {
        text-align: center;
        padding: 32px 24px;
        background: linear-gradient(135deg, var(--primary-bg), rgba(0,206,201,0.05));
        border-radius: var(--radius);
        border: 1px solid rgba(108,92,231,0.1);
    }
    .sidebar-cta h4 { color: var(--text); margin-bottom: 8px; }
    .sidebar-cta p { font-size: 0.9rem; margin-bottom: 16px; }

    /* 空文章状态 */
    .article-empty {
        text-align: center;
        padding: 80px 24px;
    }
    .article-empty i { font-size: 4rem; color: var(--text-lighter); margin-bottom: 24px; }
    .article-empty h2 { color: var(--text-light); margin-bottom: 12px; }
    .article-empty p { color: var(--text-lighter); margin-bottom: 24px; }

    /* 相关文章 */
    .related-section { background: var(--bg-alt); padding: 80px 0; }
    .related-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
    .related-card {
        background: var(--card-bg);
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        border: 1px solid var(--border-light);
    }
    .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .related-card .rc-img {
        width: 100%;
        aspect-ratio: 16/9;
        background: var(--bg-alt);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-lighter);
        font-size: 2rem;
        overflow: hidden;
    }
    .related-card .rc-img img { width: 100%; height: 100%; object-fit: cover; }
    .related-card .rc-body { padding: 20px; }
    .related-card .rc-body h4 { font-size: 1.05rem; margin-bottom: 8px; }
    .related-card .rc-body h4 a { color: var(--text); }
    .related-card .rc-body h4 a:hover { color: var(--primary); }
    .related-card .rc-body p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .related-card .rc-meta { font-size: 0.8rem; color: var(--text-lighter); display: flex; gap: 12px; }

    /* CTA 区域 */
    .cta-section {
        background: linear-gradient(135deg, #2D3436 0%, #1a1a2e 50%, #16213e 100%);
        padding: 80px 0;
        text-align: center;
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0; bottom: 0;
        background: radial-gradient(circle at 30% 50%, rgba(108,92,231,0.12) 0%, transparent 60%),
                    radial-gradient(circle at 70% 50%, rgba(0,206,201,0.08) 0%, transparent 60%);
        pointer-events: none;
    }
    .cta-section .container { position: relative; z-index: 2; }
    .cta-section h2 { color: #fff; font-size: 2.4rem; margin-bottom: 16px; }
    .cta-section p { color: rgba(255,255,255,0.7); font-size: 1.1rem; max-width: 600px; margin: 0 auto 32px; }
    .cta-section .btn-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

    /* ===== 页脚 ===== */
    .site-footer {
        background: #1a1a2e;
        color: rgba(255,255,255,0.8);
        padding: 60px 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.8fr 1fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .footer-brand .logo { color: #fff; margin-bottom: 16px; display: inline-flex; }
    .footer-brand .logo span { color: var(--primary-light); }
    .footer-brand p { font-size: 0.95rem; color: rgba(255,255,255,0.6); line-height: 1.7; max-width: 360px; }
    .footer-col h5 { color: #fff; font-size: 1rem; margin-bottom: 20px; font-weight: 600; }
    .footer-col a {
        display: block;
        color: rgba(255,255,255,0.6);
        font-size: 0.9rem;
        padding: 6px 0;
        transition: var(--transition);
    }
    .footer-col a:hover { color: var(--primary-light); padding-left: 6px; }
    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 24px 0;
        flex-wrap: wrap;
        gap: 16px;
    }
    .footer-bottom p { font-size: 0.85rem; color: rgba(255,255,255,0.4); margin: 0; }
    .social-links { display: flex; gap: 12px; }
    .social-links a {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(255,255,255,0.06);
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(255,255,255,0.6);
        transition: var(--transition);
        font-size: 1.1rem;
    }
    .social-links a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
        .article-layout { grid-template-columns: 1fr; }
        .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        .related-grid { grid-template-columns: repeat(2, 1fr); }
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        .article-header h1 { font-size: 2.2rem; }
    }
    @media (max-width: 768px) {
        .nav-links { display: none; }
        .nav-links.open { display: flex; flex-direction: column; position: absolute; top: var(--header-height); left: 0; width: 100%; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); padding: 16px 24px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); gap: 4px; }
        .nav-links a { width: 100%; padding: 12px 16px; border-radius: var(--radius-sm); }
        .nav-links a.nav-cta { margin-top: 8px; text-align: center; }
        .nav-toggle { display: block; }
        .article-header { padding: 60px 0 40px; }
        .article-header h1 { font-size: 1.8rem; }
        .article-main { padding: 28px; }
        .article-meta-bar { gap: 16px; font-size: 0.85rem; }
        .article-footer-bar { flex-direction: column; align-items: flex-start; gap: 16px; }
        .article-sidebar { grid-template-columns: 1fr; }
        .related-grid { grid-template-columns: 1fr; }
        section { padding: 60px 0; }
        .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        .footer-bottom { flex-direction: column; text-align: center; }
        .cta-section h2 { font-size: 1.8rem; }
        .section-title h2 { font-size: 1.6rem; }
    }
    @media (max-width: 520px) {
        .container { padding: 0 16px; }
        .article-header h1 { font-size: 1.5rem; }
        .article-main { padding: 20px; }
        .article-main .article-content { font-size: 0.95rem; }
        .btn { padding: 10px 22px; font-size: 0.9rem; }
        .logo { font-size: 1.2rem; }
        .logo .logo-icon { width: 34px; height: 34px; font-size: 1rem; }
    }