/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --bg-primary: #0a0e1a;
            --bg-secondary: #0d1117;
            --bg-card: #131a2b;
            --bg-card-hover: #1a2540;
            --bg-section-alt: #0f1522;
            --neon-primary: #00d4ff;
            --neon-secondary: #7c3aed;
            --neon-glow: rgba(0, 212, 255, 0.25);
            --neon-glow-strong: rgba(0, 212, 255, 0.45);
            --text-primary: #e8edf5;
            --text-secondary: #8892a4;
            --text-muted: #5a6478;
            --border-color: #1e2a3d;
            --border-hover: #2a3a55;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --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-neon: 0 0 20px rgba(0,212,255,0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --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; }
        body {
            font-family: var(--font-family);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
        }
        a { color: var(--neon-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: #66e5ff; text-decoration: none; }
        a:focus-visible { outline: 2px solid var(--neon-primary); outline-offset: 2px; border-radius: 2px; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-primary); }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }
        @media screen and (max-width: 768px) {
            .container { padding: 0 16px; }
        }

        /* ===== Section Spacing ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px auto;
            line-height: 1.6;
        }
        .section-title-neon {
            position: relative;
            display: inline-block;
        }
        .section-title-neon::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: var(--neon-primary);
            margin: 12px auto 0;
            border-radius: 2px;
            box-shadow: 0 0 12px var(--neon-glow);
        }
        .text-center { text-align: center; }

        /* ===== Header / Nav (暗色霓虹) ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(13, 17, 23, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--neon-primary);
            letter-spacing: 0.02em;
            text-shadow: 0 0 20px var(--neon-glow);
            transition: var(--transition);
            white-space: nowrap;
        }
        .logo:hover {
            color: #66e5ff;
            text-shadow: 0 0 30px var(--neon-glow-strong);
        }
        .logo span {
            color: var(--text-primary);
            font-weight: 300;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255,255,255,0.04);
        }
        .nav-link.active {
            color: var(--neon-primary);
            background: rgba(0,212,255,0.08);
            box-shadow: inset 0 -2px 0 var(--neon-primary), 0 0 20px var(--neon-glow);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 20%;
            right: 20%;
            height: 2px;
            background: var(--neon-primary);
            border-radius: 2px;
            box-shadow: 0 0 12px var(--neon-glow);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            background: linear-gradient(135deg, var(--neon-primary), #0099cc);
            color: #0a0e1a;
            font-weight: 700;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 0 20px var(--neon-glow);
            margin-left: 12px;
            letter-spacing: 0.02em;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 35px var(--neon-glow-strong);
            color: #0a0e1a;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 28px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle:hover span {
            background: var(--neon-primary);
        }

        /* ===== Mobile Nav ===== */
        @media screen and (max-width: 768px) {
            .nav-toggle { display: flex; }
            .nav-menu {
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(13, 17, 23, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                display: none;
                box-shadow: var(--shadow-lg);
            }
            .nav-menu.open { display: flex; }
            .nav-link {
                width: 100%;
                padding: 14px 20px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .nav-link.active::after { display: none; }
            .nav-link.active {
                background: rgba(0,212,255,0.1);
                box-shadow: inset 3px 0 0 var(--neon-primary);
            }
            .nav-cta {
                width: 100%;
                justify-content: center;
                margin-left: 0;
                margin-top: 8px;
                padding: 14px 28px;
            }
            .section { padding: 56px 0; }
            .section-title { font-size: 1.6rem; }
            .section-subtitle { font-size: 0.95rem; margin-bottom: 32px; }
        }
        @media screen and (max-width: 520px) {
            .logo { font-size: 1.15rem; }
            .section { padding: 40px 0; }
            .section-title { font-size: 1.35rem; }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border: none;
            cursor: pointer;
            letter-spacing: 0.02em;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--neon-primary), #0099cc);
            color: #0a0e1a;
            box-shadow: 0 0 25px var(--neon-glow);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 45px var(--neon-glow-strong);
            color: #0a0e1a;
        }
        .btn-outline {
            background: transparent;
            color: var(--neon-primary);
            border: 1.5px solid var(--neon-primary);
            box-shadow: 0 0 10px var(--neon-glow);
        }
        .btn-outline:hover {
            background: rgba(0,212,255,0.08);
            transform: translateY(-3px);
            box-shadow: 0 0 30px var(--neon-glow-strong);
            color: var(--neon-primary);
        }
        .btn-secondary {
            background: linear-gradient(135deg, var(--neon-secondary), #5b21b6);
            color: #fff;
            box-shadow: 0 0 20px rgba(124,58,237,0.25);
        }
        .btn-secondary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 40px rgba(124,58,237,0.4);
            color: #fff;
        }
        .btn-sm {
            padding: 10px 22px;
            font-size: 0.85rem;
        }
        .btn:focus-visible {
            outline: 2px solid var(--neon-primary);
            outline-offset: 3px;
        }

        /* ===== Hero ===== */
        .hero {
            padding: 120px 0 100px;
            background: linear-gradient(165deg, #0a0e1a 0%, #0f1a30 40%, #0a0e1a 100%);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(124,58,237,0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 1;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            background: rgba(0,212,255,0.1);
            border: 1px solid rgba(0,212,255,0.2);
            border-radius: 50px;
            color: var(--neon-primary);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
            box-shadow: 0 0 15px var(--neon-glow);
        }
        .hero-badge i { font-size: 0.75rem; }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.03em;
        }
        .hero h1 .highlight {
            color: var(--neon-primary);
            text-shadow: 0 0 30px var(--neon-glow);
        }
        .hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 520px;
            line-height: 1.7;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        .hero-visual-box {
            width: 100%;
            max-width: 480px;
            aspect-ratio: 4/3;
            background: linear-gradient(145deg, rgba(0,212,255,0.06), rgba(124,58,237,0.06));
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 40px;
            box-shadow: var(--shadow-lg), 0 0 60px rgba(0,212,255,0.04);
            position: relative;
            overflow: hidden;
        }
        .hero-visual-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(0,212,255,0.05) 0%, transparent 60%);
            pointer-events: none;
        }
        .hero-visual-icon {
            font-size: 4rem;
            color: var(--neon-primary);
            margin-bottom: 20px;
            text-shadow: 0 0 40px var(--neon-glow);
            opacity: 0.8;
        }
        .hero-visual-text {
            font-size: 1rem;
            color: var(--text-secondary);
            text-align: center;
            max-width: 280px;
            line-height: 1.6;
        }
        .hero-stats {
            display: flex;
            gap: 30px;
            margin-top: 24px;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--neon-primary);
        }
        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        @media screen and (max-width: 1024px) {
            .hero h1 { font-size: 2.6rem; }
        }
        @media screen and (max-width: 768px) {
            .hero { padding: 80px 0 60px; }
            .hero-grid { grid-template-columns: 1fr; gap: 40px; }
            .hero h1 { font-size: 2.2rem; text-align: center; }
            .hero p { max-width: 100%; text-align: center; }
            .hero-actions { justify-content: center; }
            .hero-badge { margin-left: auto; margin-right: auto; }
            .hero-visual-box { max-width: 100%; }
        }
        @media screen and (max-width: 520px) {
            .hero h1 { font-size: 1.7rem; }
            .hero p { font-size: 1rem; }
            .hero-actions { flex-direction: column; align-items: center; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .hero-stats { gap: 20px; flex-wrap: wrap; justify-content: center; }
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-md), var(--shadow-neon);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }
        .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: rgba(0,212,255,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--neon-primary);
            margin-bottom: 18px;
            box-shadow: 0 0 15px var(--neon-glow);
        }
        .card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-weight: 600;
            color: var(--neon-primary);
            font-size: 0.9rem;
        }
        .card-link i { transition: transform 0.2s; font-size: 0.8rem; }
        .card-link:hover i { transform: translateX(4px); }

        /* ===== Category Cards (large) ===== */
        .category-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--neon-primary), var(--neon-secondary));
            opacity: 0;
            transition: var(--transition);
        }
        .category-card:hover::before { opacity: 1; }
        .category-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-md), var(--shadow-neon);
            transform: translateY(-6px);
            background: var(--bg-card-hover);
        }
        .category-card .card-icon {
            width: 64px;
            height: 64px;
            font-size: 1.8rem;
            margin-bottom: 20px;
        }
        .category-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .category-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .category-card .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }

        /* ===== Tags ===== */
        .tag {
            display: inline-flex;
            padding: 4px 14px;
            background: rgba(0,212,255,0.06);
            border: 1px solid rgba(0,212,255,0.15);
            border-radius: 50px;
            font-size: 0.78rem;
            color: var(--neon-primary);
            font-weight: 500;
        }
        .tag-alt {
            background: rgba(124,58,237,0.08);
            border-color: rgba(124,58,237,0.2);
            color: #a78bfa;
        }

        /* ===== Grids ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        @media screen and (max-width: 1024px) {
            .grid-4 { grid-template-columns: 1fr 1fr; }
        }
        @media screen and (max-width: 768px) {
            .grid-2, .grid-3 { grid-template-columns: 1fr; }
            .grid-4 { grid-template-columns: 1fr 1fr; gap: 16px; }
        }
        @media screen and (max-width: 520px) {
            .grid-4 { grid-template-columns: 1fr; }
        }

        /* ===== News / CMS List ===== */
        .news-card {
            display: flex;
            gap: 24px;
            padding: 24px 28px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition);
            align-items: flex-start;
        }
        .news-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-md), var(--shadow-neon);
            transform: translateY(-3px);
            background: var(--bg-card-hover);
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            min-width: 100px;
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .news-category {
            font-size: 0.75rem;
            padding: 2px 12px;
            border-radius: 50px;
            background: rgba(0,212,255,0.08);
            color: var(--neon-primary);
            border: 1px solid rgba(0,212,255,0.15);
            font-weight: 500;
        }
        .news-body { flex: 1; }
        .news-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-body h4 a {
            color: var(--text-primary);
            transition: var(--transition);
        }
        .news-body h4 a:hover { color: var(--neon-primary); }
        .news-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-empty {
            text-align: center;
            padding: 48px 20px;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }

        @media screen and (max-width: 768px) {
            .news-card { flex-direction: column; gap: 12px; padding: 20px; }
            .news-meta { min-width: auto; }
        }

        /* ===== Stats / Numbers ===== */
        .stat-block {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .stat-block:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-md), var(--shadow-neon);
            transform: translateY(-3px);
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--neon-primary);
            line-height: 1.1;
            margin-bottom: 6px;
            text-shadow: 0 0 30px var(--neon-glow);
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        @media screen and (max-width: 520px) {
            .stat-number { font-size: 2.2rem; }
        }

        /* ===== Steps / Process ===== */
        .step-item {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            padding: 28px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .step-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-md), var(--shadow-neon);
            transform: translateY(-3px);
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--neon-primary), #0099cc);
            color: #0a0e1a;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 20px var(--neon-glow);
        }
        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .step-content p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 28px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover { color: var(--neon-primary); }
        .faq-question i {
            color: var(--neon-primary);
            transition: transform 0.3s;
            font-size: 0.9rem;
        }
        .faq-question.open i { transform: rotate(45deg); }
        .faq-answer {
            padding: 0 28px 20px 28px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(165deg, #0f1a30, #0a0e1a);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .cta-box {
            text-align: center;
            padding: 64px 40px;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-box p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        @media screen and (max-width: 520px) {
            .cta-box { padding: 40px 20px; }
            .cta-box h2 { font-size: 1.5rem; }
            .cta-actions { flex-direction: column; align-items: center; }
            .cta-actions .btn { width: 100%; justify-content: center; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            display: inline-block;
            margin-bottom: 12px;
            font-size: 1.2rem;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            max-width: 300px;
            line-height: 1.7;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--neon-primary);
            padding-left: 4px;
        }
        .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;
        }
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-social a:hover {
            border-color: var(--neon-primary);
            color: var(--neon-primary);
            box-shadow: 0 0 20px var(--neon-glow);
            transform: translateY(-2px);
        }

        @media screen and (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media screen and (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media screen and (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        }

        /* ===== Divider ===== */
        .divider {
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
            margin: 0;
        }

        /* ===== Misc ===== */
        .gap-8 { gap: 8px; }
        .gap-12 { gap: 12px; }
        .gap-16 { gap: 16px; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }
        .mb-16 { margin-bottom: 16px; }
        .mb-24 { margin-bottom: 24px; }
        .mb-32 { margin-bottom: 32px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .flex-wrap { flex-wrap: wrap; }

        /* ===== Foundation Overrides ===== */
        .row { max-width: var(--max-width); }
        .column, .columns { padding-left: 12px; padding-right: 12px; }

/* roulang page: article */
:root {
            --primary: #ff2d55;
            --primary-dark: #cc0033;
            --primary-light: #ff6b8a;
            --accent: #ffd700;
            --accent-dark: #e6c200;
            --bg-dark: #0a0a1a;
            --bg-darker: #060612;
            --bg-card: #12122a;
            --bg-card-hover: #1a1a3a;
            --text-white: #ffffff;
            --text-light: #e0e0f0;
            --text-muted: #8888aa;
            --border-color: #2a2a4a;
            --border-glow: rgba(255, 45, 85, 0.3);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
            --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }

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

        @media screen and (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            background: linear-gradient(135deg, var(--bg-darker) 0%, #0f0f2a 100%);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 20px rgba(0,0,0,0.5);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }
        .logo span {
            color: var(--primary);
            font-weight: 700;
        }
        .logo:hover {
            color: var(--text-white);
            opacity: 0.95;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 8px 4px;
            z-index: 1001;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-white);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            color: var(--text-muted);
            font-size: 14.5px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        .nav-link:hover {
            color: var(--text-white);
            background: rgba(255, 45, 85, 0.08);
        }
        .nav-link.active {
            color: var(--text-white);
            background: rgba(255, 45, 85, 0.15);
            box-shadow: inset 0 -2px 0 var(--primary);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
            box-shadow: 0 0 12px var(--primary);
        }
        .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--text-white) !important;
            padding: 8px 22px;
            border-radius: 25px;
            font-size: 13.5px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            border: 1px solid rgba(255, 45, 85, 0.3);
            box-shadow: 0 0 20px rgba(255, 45, 85, 0.15);
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 35px rgba(255, 45, 85, 0.35);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }
        .nav-cta i {
            font-size: 14px;
        }

        @media screen and (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: linear-gradient(180deg, var(--bg-darker), #0f0f2a);
                flex-direction: column;
                padding: 90px 28px 40px;
                gap: 8px;
                transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                box-shadow: -10px 0 40px rgba(0,0,0,0.6);
                border-left: 1px solid var(--border-color);
                overflow-y: auto;
                align-items: stretch;
            }
            .nav-menu.open {
                right: 0;
            }
            .nav-link {
                font-size: 16px;
                padding: 12px 16px;
                border-radius: 10px;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                background: rgba(255, 45, 85, 0.2);
                box-shadow: inset 0 0 0 1px rgba(255, 45, 85, 0.2);
            }
            .nav-cta {
                margin-top: 12px;
                justify-content: center;
                padding: 12px 20px;
            }
        }

        @media screen and (max-width: 520px) {
            .logo {
                font-size: 18px;
            }
            .nav-menu {
                width: 100%;
                right: -100%;
                padding: 80px 20px 30px;
            }
            .nav-menu.open {
                right: 0;
            }
        }

        /* ===== ARTICLE HERO ===== */
        .article-hero {
            background: linear-gradient(135deg, #0a0a1a 0%, #1a0a1a 50%, #0a0a2a 100%);
            padding: 60px 0 40px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,45,85,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,215,0,0.05) 0%, transparent 70%);
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 1;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 20px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .article-breadcrumb a {
            color: var(--text-muted);
        }
        .article-breadcrumb a:hover {
            color: var(--primary-light);
        }
        .article-breadcrumb span {
            color: var(--text-muted);
        }
        .article-breadcrumb .sep {
            color: var(--border-color);
            font-size: 10px;
        }
        .article-category-badge {
            display: inline-block;
            background: linear-gradient(135deg, rgba(255,45,85,0.2), rgba(255,45,85,0.1));
            color: var(--primary-light);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            border: 1px solid rgba(255,45,85,0.25);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .article-hero h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            max-width: 900px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13.5px;
            color: var(--text-muted);
        }
        .article-meta i {
            margin-right: 6px;
            font-size: 13px;
        }
        .article-meta span {
            display: flex;
            align-items: center;
        }

        @media screen and (max-width: 768px) {
            .article-hero {
                padding: 40px 0 30px;
            }
            .article-hero h1 {
                font-size: 26px;
            }
            .article-meta {
                gap: 12px;
                font-size: 12.5px;
            }
        }
        @media screen and (max-width: 520px) {
            .article-hero h1 {
                font-size: 22px;
            }
            .article-hero {
                padding: 30px 0 24px;
            }
        }

        /* ===== ARTICLE BODY ===== */
        .article-body-section {
            padding: 50px 0 60px;
            background: var(--bg-dark);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .article-main {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 40px;
            box-shadow: var(--shadow-md);
        }
        .article-main .featured-image {
            margin-bottom: 32px;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--bg-darker);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .article-main .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .article-main .featured-image .placeholder-icon {
            font-size: 56px;
            color: var(--border-color);
        }
        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-light);
        }
        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-white);
            margin: 36px 0 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-white);
            margin: 28px 0 12px;
        }
        .article-content p {
            margin-bottom: 18px;
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 20px 24px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(255,45,85,0.06);
            padding: 18px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }
        .article-content a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content a:hover {
            color: var(--primary);
        }
        .article-content img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content .wp-block-table,
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14.5px;
        }
        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border-color);
            padding: 12px 16px;
            text-align: left;
        }
        .article-content table th {
            background: rgba(255,45,85,0.1);
            color: var(--text-white);
            font-weight: 600;
        }
        .article-content table td {
            background: rgba(255,255,255,0.02);
        }
        .article-content code {
            background: var(--bg-darker);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 14px;
            color: var(--primary-light);
        }
        .article-content pre {
            background: var(--bg-darker);
            padding: 20px;
            border-radius: var(--radius-sm);
            overflow-x: auto;
            border: 1px solid var(--border-color);
            margin: 24px 0;
        }
        .article-content pre code {
            background: none;
            padding: 0;
            color: var(--text-light);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-tags .tag {
            display: inline-block;
            background: rgba(255,45,85,0.08);
            color: var(--primary-light);
            font-size: 12.5px;
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(255,45,85,0.15);
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: rgba(255,45,85,0.18);
            transform: translateY(-1px);
        }

        /* ===== SIDEBAR ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
            display: inline-block;
        }
        .sidebar-card .related-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card .related-list li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.04);
        }
        .sidebar-card .related-list li:last-child {
            border-bottom: none;
        }
        .sidebar-card .related-list a {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.5;
            display: block;
            transition: var(--transition);
        }
        .sidebar-card .related-list a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .sidebar-card .related-list .meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, rgba(255,45,85,0.12), rgba(255,45,85,0.04));
            border: 1px solid rgba(255,45,85,0.2);
            text-align: center;
        }
        .sidebar-cta h4 {
            border-bottom-color: var(--accent);
        }
        .sidebar-cta p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .sidebar-cta .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--text-white);
            padding: 12px 28px;
            border-radius: 25px;
            font-weight: 600;
            font-size: 14px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 20px rgba(255,45,85,0.2);
        }
        .sidebar-cta .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 35px rgba(255,45,85,0.35);
        }

        @media screen and (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sidebar-cta {
                grid-column: 1 / -1;
            }
        }
        @media screen and (max-width: 640px) {
            .article-main {
                padding: 24px 18px;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .article-content {
                font-size: 15px;
            }
            .article-content h2 {
                font-size: 20px;
            }
            .article-content h3 {
                font-size: 17px;
            }
        }

        /* ===== NOT FOUND ===== */
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
        }
        .article-not-found i {
            font-size: 64px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .article-not-found h2 {
            font-size: 28px;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .article-not-found .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--text-white);
            padding: 12px 30px;
            border-radius: 25px;
            font-weight: 600;
            transition: var(--transition);
        }
        .article-not-found .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(255,45,85,0.3);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: linear-gradient(180deg, var(--bg-darker) 0%, #050510 100%);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-color);
        }
        .footer-brand .logo {
            font-size: 20px;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 13.5px;
            color: var(--text-muted);
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 12.5px;
            color: var(--text-muted);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .footer-social a:hover {
            background: rgba(255, 45, 85, 0.15);
            color: var(--primary-light);
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 0 20px rgba(255, 45, 85, 0.15);
        }

        @media screen and (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media screen and (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer {
                padding: 36px 0 0;
            }
        }

        /* ===== UTILITIES ===== */
        .text-center { text-align: center; }
        .mt-20 { margin-top: 20px; }
        .mb-20 { margin-bottom: 20px; }
        .gap-8 { gap: 8px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

        /* ===== FOUNDATION OVERRIDES ===== */
        .site-header .container,
        .article-hero .container,
        .article-body-section .container,
        .site-footer .container {
            max-width: var(--max-width);
        }
        [class*="grid-container"] {
            max-width: var(--max-width);
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #00e5ff;
            --primary-dark: #00b8d4;
            --primary-glow: rgba(0, 229, 255, 0.25);
            --secondary: #ff6ec7;
            --secondary-dark: #e055b0;
            --bg-dark: #0a0e1a;
            --bg-card: #111827;
            --bg-card-hover: #1a2235;
            --bg-section: #0f1525;
            --bg-section-alt: #0b1120;
            --text-main: #e8edf5;
            --text-muted: #8a94a6;
            --text-dim: #5a6478;
            --border-color: rgba(0, 229, 255, 0.15);
            --border-glow: rgba(0, 229, 255, 0.25);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 30px rgba(0, 229, 255, 0.08);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --nav-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-sans);
            background: var(--bg-dark);
            color: var(--text-main);
            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(--secondary);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        ::selection {
            background: var(--primary);
            color: #000;
        }

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

        @media screen and (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 暗色霓虹导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 14, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            height: var(--nav-height);
            transition: var(--transition);
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff !important;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .logo span {
            color: var(--primary);
            text-shadow: 0 0 20px var(--primary-glow);
        }
        .logo:hover span {
            text-shadow: 0 0 30px var(--primary-glow);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            color: var(--text-muted) !important;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary);
            box-shadow: 0 0 12px var(--primary-glow);
            transition: var(--transition);
            border-radius: 2px;
        }
        .nav-link:hover {
            color: #fff !important;
            background: rgba(0, 229, 255, 0.06);
        }
        .nav-link:hover::after {
            width: 60%;
        }
        .nav-link.active {
            color: #fff !important;
            background: rgba(0, 229, 255, 0.08);
        }
        .nav-link.active::after {
            width: 70%;
        }

        .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #0a0e1a !important;
            font-weight: 700;
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            box-shadow: 0 0 20px var(--primary-glow);
            margin-left: 8px;
            letter-spacing: 0.5px;
        }
        .nav-cta i {
            font-size: 0.95rem;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 35px var(--primary-glow);
            color: #0a0e1a !important;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-main);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-toggle:hover span {
            background: var(--primary);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media screen and (max-width: 868px) {
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 24px 20px 32px;
                gap: 6px;
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
                max-height: 70vh;
                overflow-y: auto;
            }
            .nav-menu.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-link {
                padding: 12px 18px;
                font-size: 1rem;
                width: 100%;
                text-align: center;
            }
            .nav-link::after {
                display: none;
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 12px;
                justify-content: center;
                width: 100%;
                padding: 12px;
                font-size: 0.95rem;
            }
        }

        /* ===== 页面头部 ===== */
        .page-hero {
            padding: 140px 0 80px;
            background: linear-gradient(180deg, #0a0e1a 0%, var(--bg-section) 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -20%;
            width: 70%;
            height: 80%;
            background: radial-gradient(ellipse at center, rgba(0, 229, 255, 0.06), transparent 70%);
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            right: -15%;
            width: 60%;
            height: 70%;
            background: radial-gradient(ellipse at center, rgba(255, 110, 199, 0.04), transparent 70%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 60%, var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .page-hero .hero-tags {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .page-hero .hero-tags .tag {
            background: rgba(0, 229, 255, 0.08);
            color: var(--primary);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 500;
            border: 1px solid rgba(0, 229, 255, 0.12);
        }

        @media screen and (max-width: 768px) {
            .page-hero {
                padding: 120px 0 60px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: #fff;
        }
        .section-sub {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin-bottom: 48px;
            line-height: 1.7;
        }
        .section-title .highlight {
            color: var(--primary);
            text-shadow: 0 0 30px var(--primary-glow);
        }
        .text-center {
            text-align: center;
        }
        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        @media screen and (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-sub {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        @media screen and (max-width: 1024px) {
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 768px) {
            .card-grid.cols-2 {
                grid-template-columns: 1fr;
            }
            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 赛事卡片 ===== */
        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 24px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .sport-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }
        .sport-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-glow);
            transform: translateY(-4px);
            box-shadow: 0 8px 40px rgba(0, 229, 255, 0.1);
        }
        .sport-card:hover::before {
            opacity: 1;
        }
        .sport-card .card-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 16px;
            display: inline-block;
            background: rgba(0, 229, 255, 0.06);
            width: 56px;
            height: 56px;
            line-height: 56px;
            text-align: center;
            border-radius: var(--radius-sm);
        }
        .sport-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .sport-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .sport-card .card-meta {
            display: flex;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-dim);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 14px;
            margin-top: 4px;
        }
        .sport-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .sport-card .card-meta i {
            color: var(--primary);
            font-size: 0.75rem;
        }
        .sport-card .badge {
            display: inline-block;
            background: rgba(0, 229, 255, 0.1);
            color: var(--primary);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 50px;
            border: 1px solid rgba(0, 229, 255, 0.1);
            margin-top: 4px;
        }

        /* ===== 特色列表 ===== */
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }
        .feature-item {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            padding: 20px 22px;
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .feature-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-glow);
            transform: translateX(4px);
        }
        .feature-item .fi-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: rgba(0, 229, 255, 0.06);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
        }
        .feature-item .fi-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .feature-item .fi-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media screen and (max-width: 768px) {
            .feature-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 赛程表格 ===== */
        .schedule-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        .schedule-table thead {
            background: rgba(0, 229, 255, 0.04);
        }
        .schedule-table th {
            padding: 14px 20px;
            text-align: left;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border-bottom: 1px solid var(--border-color);
        }
        .schedule-table td {
            padding: 14px 20px;
            font-size: 0.9rem;
            color: var(--text-main);
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
        }
        .schedule-table tr:last-child td {
            border-bottom: none;
        }
        .schedule-table tr:hover td {
            background: rgba(0, 229, 255, 0.02);
        }
        .schedule-table .status {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
        }
        .schedule-table .status.live {
            background: rgba(255, 110, 199, 0.15);
            color: var(--secondary);
        }
        .schedule-table .status.upcoming {
            background: rgba(0, 229, 255, 0.1);
            color: var(--primary);
        }
        .schedule-table .status.finished {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-dim);
        }

        @media screen and (max-width: 768px) {
            .schedule-table {
                font-size: 0.78rem;
            }
            .schedule-table th,
            .schedule-table td {
                padding: 10px 12px;
            }
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 22px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--border-glow);
            background: var(--bg-card-hover);
        }
        .faq-item .faq-q {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .faq-item .faq-q i {
            color: var(--primary);
            font-size: 0.85rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-a {
            margin-top: 12px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }

        @media screen and (max-width: 768px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.06), rgba(255, 110, 199, 0.04));
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 60%;
            height: 100%;
            background: radial-gradient(ellipse at center, rgba(0, 229, 255, 0.04), transparent 70%);
            pointer-events: none;
        }
        .cta-block h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-block p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 540px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-block .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #0a0e1a !important;
            font-weight: 700;
            padding: 14px 34px;
            border-radius: 50px;
            font-size: 0.95rem;
            transition: var(--transition);
            box-shadow: 0 0 30px var(--primary-glow);
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 50px var(--primary-glow);
            color: #0a0e1a !important;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--text-main) !important;
            font-weight: 600;
            padding: 14px 34px;
            border-radius: 50px;
            font-size: 0.95rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary) !important;
            background: rgba(0, 229, 255, 0.04);
            transform: translateY(-3px);
        }

        @media screen and (max-width: 768px) {
            .cta-block {
                padding: 36px 24px;
            }
            .cta-block h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #070b16;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.35rem;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-dim);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            color: var(--text-dim) !important;
            font-size: 0.85rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary) !important;
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 0.82rem;
            color: var(--text-dim);
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-social {
            display: flex;
            gap: 16px;
        }
        .footer-social a {
            color: var(--text-dim) !important;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            color: var(--primary) !important;
            transform: scale(1.15);
        }

        @media screen and (max-width: 868px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media screen and (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 工具类 ===== */
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .mb-48 {
            margin-bottom: 48px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .gap-8 {
            gap: 8px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 12px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-dim);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-dim);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted) !important;
        }
        .breadcrumb a:hover {
            color: var(--primary) !important;
        }
        .breadcrumb .sep {
            color: var(--text-dim);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--primary);
        }

/* roulang page: category2 */
:root {
            --primary: #f0a500;
            --primary-dark: #d48f00;
            --primary-glow: rgba(240, 165, 0, 0.35);
            --secondary: #ff6b35;
            --accent: #00d4ff;
            --bg-dark: #0d0d12;
            --bg-card: #16161f;
            --bg-section: #111118;
            --bg-elevated: #1c1c28;
            --text-main: #f0ece4;
            --text-muted: #9a95a8;
            --text-dim: #65607a;
            --border-color: #2a2735;
            --border-glow: rgba(240, 165, 0, 0.15);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(240, 165, 0, 0.06);
            --shadow-elevated: 0 16px 48px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(240, 165, 0, 0.1);
            --shadow-glow: 0 0 30px rgba(240, 165, 0, 0.1);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }

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

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

        body {
            font-family: var(--font-body);
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.65;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }

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

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        @media screen and (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(13, 13, 18, 0.92);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            transition: background var(--transition), border-color var(--transition);
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 40px var(--primary-glow);
            transition: opacity var(--transition);
        }
        .logo:hover {
            opacity: 0.85;
            color: transparent;
        }
        .logo span {
            font-weight: 400;
            opacity: 0.7;
            background: linear-gradient(135deg, var(--text-main), var(--text-muted));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            color: var(--text-muted);
            font-size: 0.92rem;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform var(--transition);
            box-shadow: 0 0 12px var(--primary-glow);
        }
        .nav-link:hover {
            color: var(--text-main);
            background: rgba(240, 165, 0, 0.08);
        }
        .nav-link:hover::after {
            transform: translateX(-50%) scaleX(1);
        }
        .nav-link.active {
            color: var(--primary);
            background: rgba(240, 165, 0, 0.1);
        }
        .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #0d0d12 !important;
            font-weight: 700;
            font-size: 0.88rem;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            box-shadow: 0 0 20px var(--primary-glow);
            margin-left: 12px;
            letter-spacing: 0.02em;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .nav-cta i {
            font-size: 1rem;
        }
        .nav-cta:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 30px var(--primary-glow);
            color: #0d0d12 !important;
            background: linear-gradient(135deg, var(--secondary), var(--primary));
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media screen and (max-width: 868px) {
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(13, 13, 18, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 24px 20px 32px;
                gap: 6px;
                border-bottom: 2px solid var(--border-color);
                box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-menu.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-link {
                font-size: 1.05rem;
                padding: 14px 20px;
                width: 100%;
                text-align: center;
            }
            .nav-link::after {
                bottom: 4px;
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 12px;
                justify-content: center;
                width: 100%;
                padding: 14px 24px;
                font-size: 1rem;
            }
        }

        @media screen and (max-width: 480px) {
            :root {
                --header-h: 64px;
            }
            .logo {
                font-size: 1.25rem;
            }
            .nav-menu {
                padding: 16px 14px 24px;
            }
        }

        /* ===== Page Hero ===== */
        .page-hero {
            padding: 140px 0 80px;
            background: linear-gradient(160deg, #0d0d12 0%, #1a1510 40%, #0d0d12 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.08) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.06) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--text-main) 30%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero p {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .page-hero .hero-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .page-hero .hero-tags .tag {
            background: rgba(240, 165, 0, 0.12);
            border: 1px solid rgba(240, 165, 0, 0.2);
            color: var(--primary);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: all var(--transition);
        }
        .page-hero .hero-tags .tag:hover {
            background: rgba(240, 165, 0, 0.2);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        @media screen and (max-width: 768px) {
            .page-hero {
                padding: 110px 0 56px;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
        }
        @media screen and (max-width: 480px) {
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero .hero-tags .tag {
                font-size: 0.78rem;
                padding: 4px 14px;
            }
        }

        /* ===== Section Shared ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--bg-section);
        }
        .section-card {
            background: var(--bg-card);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 48px;
            line-height: 1.7;
        }
        .section-title-center {
            text-align: center;
        }
        .section-subtitle-center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
            margin: 0 auto 32px;
            box-shadow: 0 0 20px var(--primary-glow);
        }

        @media screen and (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }
        @media screen and (max-width: 480px) {
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 28px;
        }
        .card-grid-3 {
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        }
        .card-grid-2 {
            grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
        }

        .fitness-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 32px 28px;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .fitness-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .fitness-card:hover {
            transform: translateY(-6px);
            border-color: rgba(240, 165, 0, 0.25);
            box-shadow: var(--shadow-elevated);
        }
        .fitness-card:hover::before {
            opacity: 1;
        }
        .fitness-card .card-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 18px;
            display: inline-block;
            background: rgba(240, 165, 0, 0.1);
            padding: 12px;
            border-radius: var(--radius-sm);
            line-height: 1;
        }
        .fitness-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .fitness-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .fitness-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 4px;
        }
        .fitness-card .card-meta .badge {
            background: rgba(240, 165, 0, 0.1);
            border: 1px solid rgba(240, 165, 0, 0.15);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 500;
        }
        .fitness-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 8px;
            transition: gap var(--transition);
        }
        .fitness-card .card-link:hover {
            gap: 14px;
            color: var(--secondary);
        }

        @media screen and (max-width: 768px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .card-grid-2 {
                grid-template-columns: 1fr;
            }
            .card-grid-3 {
                grid-template-columns: 1fr;
            }
            .fitness-card {
                padding: 24px 20px;
            }
        }
        @media screen and (min-width: 769px) and (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ===== Plan Compare ===== */
        .compare-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .compare-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .compare-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-elevated), 0 0 40px var(--primary-glow);
            transform: scale(1.03);
        }
        .compare-card.featured .badge-popular {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #0d0d12;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .compare-card .plan-name {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .compare-card .plan-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .compare-card .plan-price {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .compare-card .plan-price span {
            font-size: 1rem;
            font-weight: 400;
            color: var(--text-muted);
        }
        .compare-card .plan-features {
            text-align: left;
            margin: 20px 0 24px;
            padding: 0;
        }
        .compare-card .plan-features li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(42, 39, 53, 0.5);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.92rem;
            color: var(--text-muted);
        }
        .compare-card .plan-features li i {
            color: var(--primary);
            width: 18px;
            font-size: 0.85rem;
        }
        .compare-card .plan-btn {
            display: inline-block;
            width: 100%;
            padding: 14px 0;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition);
            background: transparent;
            border: 2px solid var(--border-color);
            color: var(--text-main);
        }
        .compare-card .plan-btn:hover {
            border-color: var(--primary);
            background: rgba(240, 165, 0, 0.08);
            color: var(--primary);
        }
        .compare-card.featured .plan-btn {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-color: transparent;
            color: #0d0d12;
            box-shadow: 0 0 24px var(--primary-glow);
        }
        .compare-card.featured .plan-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px var(--primary-glow);
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            color: #0d0d12;
        }

        @media screen and (max-width: 768px) {
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .compare-card.featured {
                transform: scale(1);
            }
            .compare-card .plan-price {
                font-size: 2.2rem;
            }
        }

        /* ===== Content List ===== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .content-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 24px 28px;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .content-item:hover {
            border-color: rgba(240, 165, 0, 0.2);
            transform: translateX(4px);
        }
        .content-item .item-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            opacity: 0.5;
            min-width: 44px;
            line-height: 1;
            font-variant-numeric: tabular-nums;
        }
        .content-item .item-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .content-item .item-body p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
        .content-item .item-body .item-tag {
            display: inline-block;
            background: rgba(240, 165, 0, 0.1);
            color: var(--primary);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 50px;
            margin-top: 8px;
        }

        @media screen and (max-width: 768px) {
            .content-item {
                flex-direction: column;
                padding: 20px 18px;
                gap: 12px;
            }
            .content-item .item-num {
                font-size: 1.6rem;
                min-width: auto;
            }
        }

        /* ===== FAQ ===== */
        .faq-grid {
            max-width: 800px;
            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-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(240, 165, 0, 0.15);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-main);
            cursor: pointer;
            transition: background var(--transition);
            background: transparent;
            width: 100%;
            text-align: left;
            border: none;
        }
        .faq-question:hover {
            background: rgba(240, 165, 0, 0.04);
        }
        .faq-question i {
            color: var(--primary);
            transition: transform var(--transition);
            font-size: 0.9rem;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        @media screen and (max-width: 768px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.88rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(160deg, #111118 0%, #1a1510 50%, #0d0d12 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.05) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-section .cta-buttons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .cta-section .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #0d0d12 !important;
            font-weight: 700;
            font-size: 1rem;
            padding: 16px 36px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            box-shadow: 0 0 30px var(--primary-glow);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .cta-section .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px var(--primary-glow);
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            color: #0d0d12 !important;
        }
        .cta-section .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--text-main) !important;
            font-weight: 600;
            font-size: 1rem;
            padding: 16px 36px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--border-color);
            transition: all var(--transition);
        }
        .cta-section .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary) !important;
            background: rgba(240, 165, 0, 0.06);
            transform: translateY(-3px);
        }

        @media screen and (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .btn-primary,
            .cta-section .btn-secondary {
                width: 100%;
                justify-content: center;
                padding: 14px 24px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a0a0e;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            margin-bottom: 16px;
            display: inline-block;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            color: var(--text-main);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
            text-transform: uppercase;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-bottom p {
            color: var(--text-dim);
            font-size: 0.85rem;
        }
        .footer-social {
            display: flex;
            gap: 16px;
        }
        .footer-social a {
            color: var(--text-dim);
            font-size: 1.3rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid transparent;
        }
        .footer-social a:hover {
            color: var(--primary);
            background: rgba(240, 165, 0, 0.1);
            border-color: rgba(240, 165, 0, 0.2);
            transform: translateY(-3px);
        }

        @media screen and (max-width: 868px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }
        @media screen and (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer {
                padding: 40px 0 24px;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== Foundation Overrides ===== */
        .grid-container {
            max-width: var(--max-width);
            padding: 0 24px;
        }
        @media screen and (max-width: 768px) {
            .grid-container {
                padding: 0 16px;
            }
        }

        /* ===== Additional Responsive ===== */
        @media screen and (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .fitness-card h3 {
                font-size: 1.1rem;
            }
            .compare-card .plan-price {
                font-size: 1.8rem;
            }
        }