/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #00d4ff;
            --primary-dark: #0099cc;
            --primary-glow: rgba(0, 212, 255, 0.25);
            --secondary: #7c3aed;
            --secondary-glow: rgba(124, 58, 237, 0.25);
            --accent: #ff6b6b;
            --accent-glow: rgba(255, 107, 107, 0.2);
            --bg-dark: #0a0a1a;
            --bg-card: #12122a;
            --bg-card-hover: #1a1a3a;
            --bg-nav: #0d0d24;
            --bg-section-alt: #0f0f25;
            --text-primary: #ffffff;
            --text-secondary: #c8c8e0;
            --text-muted: #707090;
            --border-color: #2a2a4a;
            --border-glow: rgba(0, 212, 255, 0.15);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(0, 212, 255, 0.06);
            --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.08);
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

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

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

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: #66e5ff;
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            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;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        ul {
            list-style: none;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(13, 13, 36, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 212, 255, 0.12);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
            transition: background var(--transition);
        }

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

        .site-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
            position: relative;
        }
        .site-logo::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
            opacity: 0.6;
        }
        .site-logo:hover {
            background: linear-gradient(135deg, #66e5ff 0%, #a78bfa 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
        }

        .main-nav a i {
            font-size: 1rem;
            opacity: 0.7;
        }

        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(0, 212, 255, 0.06);
        }

        .main-nav a.active {
            color: var(--primary);
            background: rgba(0, 212, 255, 0.08);
            box-shadow: inset 0 -2px 0 var(--primary), 0 0 20px rgba(0, 212, 255, 0.08);
        }

        .main-nav a.active i {
            color: var(--primary);
            opacity: 1;
        }

        .nav-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 10px 24px !important;
            border-radius: var(--radius-sm) !important;
            box-shadow: 0 4px 20px rgba(0, 212, 255, 0.2);
            transition: all var(--transition) !important;
        }
        .nav-cta i {
            color: #fff !important;
            opacity: 1 !important;
        }
        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 30px rgba(0, 212, 255, 0.35) !important;
            color: #fff !important;
            background: linear-gradient(135deg, #66e5ff 0%, #a78bfa 100%) !important;
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: transparent;
            border: none;
            cursor: pointer;
        }
        .menu-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .menu-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: calc(var(--header-height) + 40px) 24px 80px;
            background: var(--bg-dark);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.3;
            z-index: 1;
            mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.2) 100%);
            -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.2) 100%);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 40%, rgba(0, 212, 255, 0.06) 0%, transparent 70%),
                radial-gradient(ellipse at 80% 60%, rgba(124, 58, 237, 0.04) 0%, transparent 60%);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 820px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            background: rgba(0, 212, 255, 0.08);
            border: 1px solid rgba(0, 212, 255, 0.2);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--primary);
            margin-bottom: 24px;
            animation: fadeInDown 0.8s ease;
        }
        .hero-badge i {
            font-size: 0.75rem;
            animation: pulse 2s infinite;
        }

        .hero-title {
            font-size: clamp(2.8rem, 8vw, 4.8rem);
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #ffffff 30%, var(--primary) 70%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: fadeInUp 0.8s ease 0.1s both;
        }

        .hero-subtitle {
            font-size: clamp(1.05rem, 2vw, 1.3rem);
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
            animation: fadeInUp 0.8s ease 0.2s both;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            animation: fadeInUp 0.8s ease 0.3s both;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: #fff;
            box-shadow: 0 4px 24px rgba(0, 212, 255, 0.2);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 40px rgba(0, 212, 255, 0.35);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.2);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(0, 212, 255, 0.06);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 60px;
            animation: fadeInUp 0.8s ease 0.4s both;
        }

        .hero-stat {
            text-align: center;
        }
        .hero-stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 4px 16px;
            background: rgba(0, 212, 255, 0.06);
            border: 1px solid rgba(0, 212, 255, 0.12);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 关于板块 ===== */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .about-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }
        .about-image::after {
            content: '';
            position: absolute;
            inset: 0;
            border: 1px solid rgba(0, 212, 255, 0.08);
            border-radius: var(--radius-lg);
            pointer-events: none;
        }

        .about-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .about-text p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.8;
        }
        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 24px;
        }
        .about-feature {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 16px;
            background: rgba(0, 212, 255, 0.04);
            border: 1px solid rgba(0, 212, 255, 0.08);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .about-feature i {
            color: var(--primary);
            font-size: 1rem;
        }

        /* ===== 服务 / 分类卡片 ===== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 32px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-glow);
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: -1px;
            left: -1px;
            right: -1px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .service-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 212, 255, 0.2);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 212, 255, 0.06);
            background: var(--bg-card-hover);
        }
        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(0, 212, 255, 0.08);
            color: var(--primary);
            font-size: 1.4rem;
            margin-bottom: 20px;
            transition: all var(--transition);
        }
        .service-card:hover .service-icon {
            background: rgba(0, 212, 255, 0.15);
            box-shadow: 0 0 30px rgba(0, 212, 255, 0.1);
        }

        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .service-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .service-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(124, 58, 237, 0.12);
            color: var(--secondary);
            border: 1px solid rgba(124, 58, 237, 0.15);
        }

        /* ===== 最新资讯列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .news-card {
            display: flex;
            flex-direction: column;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-glow);
        }
        .news-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 212, 255, 0.15);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 212, 255, 0.05);
        }

        .news-card-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .news-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .news-card-image img {
            transform: scale(1.05);
        }
        .news-card-image .news-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(8px);
            color: var(--primary);
            border: 1px solid rgba(0, 212, 255, 0.15);
        }
        .news-card-image .news-date {
            position: absolute;
            bottom: 12px;
            right: 12px;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 0.75rem;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(8px);
            color: var(--text-secondary);
        }

        .news-card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text-primary);
            transition: color var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card:hover .news-card-body h3 {
            color: var(--primary);
        }
        .news-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }
        .news-card-body .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
        }
        .news-card-body .news-meta i {
            margin-right: 4px;
            font-size: 0.75rem;
        }

        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            background: var(--bg-card);
            border: 1px dashed var(--border-color);
            border-radius: var(--radius);
        }
        .news-empty i {
            font-size: 2.4rem;
            margin-bottom: 16px;
            opacity: 0.4;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .stat-card {
            text-align: center;
            padding: 36px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            transition: all var(--transition);
            box-shadow: var(--shadow-glow);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 212, 255, 0.15);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(0, 212, 255, 0.06);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }
        .stat-icon {
            font-size: 1.6rem;
            color: var(--primary);
            opacity: 0.3;
            margin-bottom: 12px;
        }

        /* ===== 特色流程 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            padding: 32px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            transition: all var(--transition);
            position: relative;
            box-shadow: var(--shadow-glow);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 212, 255, 0.15);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(0, 212, 255, 0.06);
        }
        .feature-step {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--primary);
            background: rgba(0, 212, 255, 0.08);
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            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(0, 212, 255, 0.12);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 18px 24px;
            background: transparent;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: color var(--transition);
        }
        .faq-question i {
            font-size: 0.9rem;
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-question:hover {
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.04) 0%, rgba(124, 58, 237, 0.04) 100%);
            border-top: 1px solid rgba(0, 212, 255, 0.06);
            border-bottom: 1px solid rgba(0, 212, 255, 0.06);
            text-align: center;
            padding: 80px 0;
        }

        .cta-section h2 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 540px;
            margin: 0 auto 32px;
        }
        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-nav);
            border-top: 1px solid rgba(0, 212, 255, 0.06);
            padding: 48px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .site-logo {
            font-size: 1.4rem;
            display: inline-block;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 1rem;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: rgba(0, 212, 255, 0.1);
            border-color: rgba(0, 212, 255, 0.2);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .about-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .about-image img {
                height: 300px;
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }

            .menu-toggle {
                display: flex;
            }

            .main-nav {
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                flex-direction: column;
                gap: 4px;
                padding: 16px 24px 24px;
                background: rgba(13, 13, 36, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid rgba(0, 212, 255, 0.08);
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.35s ease;
                pointer-events: none;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 20px;
                font-size: 1rem;
            }
            .main-nav a.nav-cta {
                margin-top: 8px;
                text-align: center;
                justify-content: center;
            }

            .hero {
                min-height: 90vh;
                padding-top: calc(var(--header-height) + 30px);
                padding-bottom: 60px;
            }
            .hero-title {
                font-size: clamp(2.2rem, 10vw, 3.2rem);
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat-num {
                font-size: 1.8rem;
            }

            .section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }

            .services-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .about-features {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 24px 16px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .news-card-image {
                height: 160px;
            }
            .news-card-body {
                padding: 16px 18px 20px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.88rem;
            }
            .faq-answer.open {
                padding: 0 16px 16px;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-buttons .btn {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #f0c040;
            --primary-glow: rgba(240, 192, 64, 0.35);
            --primary-dark: #d4a830;
            --accent: #ff6b35;
            --accent-glow: rgba(255, 107, 53, 0.3);
            --bg-dark: #0b0d17;
            --bg-dark2: #12142a;
            --bg-card: #1a1d3a;
            --bg-card-hover: #22264a;
            --text-main: #f0f2fa;
            --text-weak: #9aa0c8;
            --text-muted: #6b71a0;
            --border-color: rgba(240, 192, 64, 0.15);
            --border-glow: rgba(240, 192, 64, 0.3);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(240, 192, 64, 0.06);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(240, 192, 64, 0.15);
            --shadow-btn: 0 0 20px rgba(240, 192, 64, 0.25);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container: 1200px;
            --nav-height: 72px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-dark);
            min-height: 100vh;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: #fff;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 10px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(11, 13, 23, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-logo i {
            color: var(--primary);
            font-size: 1.4rem;
        }
        .site-logo span {
            background: linear-gradient(135deg, var(--primary), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo:hover {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-xs);
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-weak);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            position: relative;
        }
        .main-nav a i {
            font-size: 0.85rem;
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(240, 192, 64, 0.08);
        }
        .main-nav a.active {
            color: #fff;
            background: rgba(240, 192, 64, 0.12);
            box-shadow: inset 0 -2px 0 var(--primary), 0 0 20px rgba(240, 192, 64, 0.08);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2px;
            background: var(--primary);
            border-radius: 4px;
            box-shadow: 0 0 12px var(--primary-glow);
        }
        .main-nav a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #0b0d17;
            font-weight: 700;
            padding: 8px 24px;
            border-radius: 30px;
            box-shadow: 0 0 20px rgba(240, 192, 64, 0.2);
            transition: all var(--transition);
        }
        .main-nav a.nav-cta:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 0 32px rgba(240, 192, 64, 0.4);
            color: #0b0d17;
        }
        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-xs);
            transition: background var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(240, 192, 64, 0.1);
        }

        /* ===== 移动端导航 ===== */
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(11, 13, 23, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 8px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6);
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .main-nav a.nav-cta {
                text-align: center;
                margin-top: 8px;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                background: rgba(240, 192, 64, 0.15);
                border-left: 3px solid var(--primary);
            }
        }

        /* ===== 页面 Hero / Banner ===== */
        .category-hero {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark2) 50%, #0f1128 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(240, 192, 64, 0.08), transparent 70%);
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: rgba(240, 192, 64, 0.12);
            border: 1px solid rgba(240, 192, 64, 0.25);
            color: var(--primary);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .category-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 16px;
        }
        .category-hero h1 span {
            background: linear-gradient(135deg, var(--primary), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero p {
            font-size: 1.15rem;
            color: var(--text-weak);
            max-width: 700px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 24px;
        }
        .hero-stats .stat-item {
            text-align: center;
        }
        .hero-stats .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
            line-height: 1.2;
        }
        .hero-stats .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .category-hero {
                padding: 120px 0 60px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stats .stat-num {
                font-size: 1.5rem;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .section-header h2 i {
            color: var(--primary);
            margin-right: 8px;
        }
        .section-header p {
            color: var(--text-weak);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-header .accent-line {
            width: 60px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
            margin: 16px auto 0;
            box-shadow: 0 0 20px var(--primary-glow);
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .section-header p {
                font-size: 0.95rem;
            }
        }

        /* ===== 分类筛选标签 ===== */
        .filter-tabs {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 40px;
        }
        .filter-tabs .filter-btn {
            padding: 8px 24px;
            border-radius: 30px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-weak);
            font-weight: 500;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition);
        }
        .filter-tabs .filter-btn:hover {
            border-color: var(--primary);
            color: #fff;
            background: rgba(240, 192, 64, 0.08);
        }
        .filter-tabs .filter-btn.active {
            background: var(--primary);
            color: #0b0d17;
            border-color: var(--primary);
            box-shadow: 0 0 24px var(--primary-glow);
            font-weight: 700;
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 600px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }

        /* ===== 事件卡片 ===== */
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-6px);
            border-color: rgba(240, 192, 64, 0.3);
            box-shadow: var(--shadow-hover);
            background: var(--bg-card-hover);
        }
        .event-card .card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: var(--bg-dark2);
        }
        .event-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .event-card:hover .card-img img {
            transform: scale(1.05);
        }
        .event-card .card-img .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #0b0d17;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 14px;
            border-radius: 30px;
            letter-spacing: 0.5px;
            box-shadow: 0 0 16px rgba(240, 192, 64, 0.3);
        }
        .event-card .card-img .card-date {
            position: absolute;
            bottom: 14px;
            right: 14px;
            background: rgba(11, 13, 23, 0.75);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 0.8rem;
            padding: 4px 14px;
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .event-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-body .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .event-card .card-body .card-tags span {
            background: rgba(240, 192, 64, 0.08);
            border: 1px solid rgba(240, 192, 64, 0.12);
            color: var(--primary);
            font-size: 0.7rem;
            padding: 2px 12px;
            border-radius: 30px;
            font-weight: 500;
        }
        .event-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .event-card .card-body p {
            color: var(--text-weak);
            font-size: 0.9rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .event-card .card-body .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 12px;
            border-top: 1px solid rgba(240, 192, 64, 0.06);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .event-card .card-body .card-meta i {
            margin-right: 4px;
        }
        .event-card .card-body .card-meta a {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition);
        }
        .event-card .card-body .card-meta a:hover {
            color: #fff;
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .event-card .card-img {
                height: 160px;
            }
            .event-card .card-body {
                padding: 16px 18px 20px;
            }
            .event-card .card-body h3 {
                font-size: 1rem;
            }
        }

        /* ===== 精选赛事板块（大图+列表混合） ===== */
        .featured-event {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .featured-event:hover {
            border-color: rgba(240, 192, 64, 0.2);
            box-shadow: var(--shadow-hover);
        }
        .featured-event .feat-img {
            height: 100%;
            min-height: 320px;
            background: var(--bg-dark2);
            overflow: hidden;
        }
        .featured-event .feat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .featured-event:hover .feat-img img {
            transform: scale(1.03);
        }
        .featured-event .feat-body {
            padding: 36px 36px 36px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-event .feat-body .feat-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 16px;
            border-radius: 30px;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            width: fit-content;
            box-shadow: 0 0 16px rgba(255, 107, 53, 0.3);
        }
        .featured-event .feat-body h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .featured-event .feat-body p {
            color: var(--text-weak);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .featured-event .feat-body .feat-stats {
            display: flex;
            gap: 24px;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .featured-event .feat-body .feat-stats i {
            color: var(--primary);
            margin-right: 6px;
        }
        .featured-event .feat-body .feat-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #0b0d17;
            font-weight: 700;
            padding: 12px 32px;
            border-radius: 30px;
            width: fit-content;
            box-shadow: 0 0 24px rgba(240, 192, 64, 0.2);
            transition: all var(--transition);
        }
        .featured-event .feat-body .feat-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 40px rgba(240, 192, 64, 0.35);
            color: #0b0d17;
        }
        @media (max-width: 1024px) {
            .featured-event {
                grid-template-columns: 1fr;
            }
            .featured-event .feat-img {
                min-height: 240px;
                height: 240px;
            }
            .featured-event .feat-body {
                padding: 24px 28px 32px;
            }
            .featured-event .feat-body h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 600px) {
            .featured-event .feat-body {
                padding: 18px 20px 24px;
            }
            .featured-event .feat-body h3 {
                font-size: 1.1rem;
            }
            .featured-event .feat-body .feat-stats {
                flex-wrap: wrap;
                gap: 12px;
            }
        }

        /* ===== 赛程列表（时间线风格） ===== */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            padding: 18px 24px;
            transition: all var(--transition);
            cursor: default;
        }
        .schedule-item:hover {
            border-color: rgba(240, 192, 64, 0.2);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }
        .schedule-item .s-time {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            min-width: 70px;
        }
        .schedule-item .s-info {
            flex: 1;
        }
        .schedule-item .s-info .s-title {
            font-weight: 600;
            color: #fff;
            font-size: 1rem;
        }
        .schedule-item .s-info .s-sub {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .schedule-item .s-status {
            background: rgba(240, 192, 64, 0.1);
            border: 1px solid rgba(240, 192, 64, 0.15);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 30px;
            white-space: nowrap;
        }
        .schedule-item .s-status.live {
            background: rgba(255, 107, 53, 0.15);
            border-color: rgba(255, 107, 53, 0.3);
            color: var(--accent);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.2);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(255, 107, 53, 0);
            }
        }
        @media (max-width: 600px) {
            .schedule-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 16px;
            }
            .schedule-item .s-time {
                min-width: auto;
                font-size: 1rem;
            }
            .schedule-item .s-info .s-title {
                font-size: 0.9rem;
            }
            .schedule-item .s-status {
                font-size: 0.7rem;
                padding: 3px 12px;
            }
        }

        /* ===== 数据/统计块 ===== */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
        }
        .data-strip .data-item {
            text-align: center;
            padding: 8px 4px;
        }
        .data-strip .data-item .data-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .data-strip .data-item .data-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .data-strip .data-item .data-icon {
            font-size: 1.6rem;
            color: var(--primary);
            opacity: 0.5;
            margin-bottom: 6px;
        }
        @media (max-width: 768px) {
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 24px 16px;
            }
            .data-strip .data-item .data-num {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 400px) {
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 22px 26px;
            transition: all var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: rgba(240, 192, 64, 0.2);
            background: var(--bg-card-hover);
        }
        .faq-item .faq-q {
            font-weight: 600;
            color: #fff;
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item .faq-q i {
            color: var(--primary);
            font-size: 0.9rem;
        }
        .faq-item .faq-a {
            color: var(--text-weak);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 10px;
            padding-left: 26px;
            border-left: 2px solid rgba(240, 192, 64, 0.15);
        }
        @media (max-width: 768px) {
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .faq-item {
                padding: 16px 18px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark2), #0f1128);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.06;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 64px 24px;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-weak);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-section .cta-btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #0b0d17;
            font-weight: 700;
            padding: 14px 40px;
            border-radius: 30px;
            font-size: 1rem;
            box-shadow: 0 0 30px rgba(240, 192, 64, 0.2);
            transition: all var(--transition);
        }
        .cta-section .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 48px rgba(240, 192, 64, 0.35);
            color: #0b0d17;
        }
        .cta-section .cta-btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            font-weight: 700;
            padding: 12px 36px;
            border-radius: 30px;
            font-size: 1rem;
            transition: all var(--transition);
        }
        .cta-section .cta-btn-outline:hover {
            background: var(--primary);
            color: #0b0d17;
            transform: translateY(-3px);
            box-shadow: 0 0 32px rgba(240, 192, 64, 0.2);
        }
        @media (max-width: 600px) {
            .cta-section .container {
                padding: 48px 16px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section .cta-btn,
            .cta-section .cta-btn-outline {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark2);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 28px;
        }
        .site-footer .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .site-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-brand .site-logo i {
            color: var(--primary);
        }
        .footer-brand .site-logo span {
            background: linear-gradient(135deg, var(--primary), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            color: var(--text-weak);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
            border-radius: 4px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            color: var(--text-weak);
            font-size: 0.9rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }
        .footer-col ul li a i {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            color: var(--text-muted);
            font-size: 1.2rem;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            color: var(--primary);
            transform: translateY(-2px);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer .container {
                padding: 0 16px;
            }
        }

        /* ===== 翻页 ===== */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-xs);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-weak);
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .pagination a:hover {
            border-color: var(--primary);
            color: #fff;
            background: rgba(240, 192, 64, 0.08);
        }
        .pagination .active-page {
            background: var(--primary);
            color: #0b0d17;
            border-color: var(--primary);
            font-weight: 700;
            box-shadow: 0 0 20px var(--primary-glow);
        }
        .pagination .page-dots {
            background: transparent;
            border: none;
            color: var(--text-muted);
        }

        /* ===== JSON-LD 结构化数据（隐藏） ===== */
        .json-ld {
            display: none;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-weak);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        /* ===== 额外动画 ===== */
        .fade-in-up {
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.7s ease forwards;
        }
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: article */
:root {
  --primary: #00d4ff;
  --primary-dark: #0095b6;
  --primary-glow: rgba(0, 212, 255, 0.35);
  --secondary: #7c3aed;
  --secondary-glow: rgba(124, 58, 237, 0.3);
  --accent: #10b981;
  --accent-glow: rgba(16, 185, 129, 0.25);
  --bg-body: #0a0e17;
  --bg-card: #111827;
  --bg-elevated: #1a2332;
  --bg-input: #0f1729;
  --text-primary: #f1f5f9;
  --text-body: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border-color: #1e293b;
  --border-light: #2d3a4e;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.5), 0 0 0 1px rgba(0,212,255,0.06);
  --shadow-glow: 0 0 30px rgba(0,212,255,0.12);
  --shadow-btn: 0 4px 20px rgba(0,212,255,0.25);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
  --container-w: 1280px;
  --article-w: 820px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg-body);color:var(--text-body);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:#fff;text-shadow:0 0 12px var(--primary-glow)}
button,input,textarea{font-family:inherit;font-size:inherit}
.container{width:100%;max-width:var(--container-w);margin:0 auto;padding:0 24px}
@media(max-width:768px){.container{padding:0 16px}}

/* ===== Header & Nav ===== */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(10,14,23,0.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(0,212,255,0.12);box-shadow:0 4px 30px rgba(0,0,0,0.6)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:24px}
.site-logo{font-size:1.55rem;font-weight:800;background:linear-gradient(135deg,#00d4ff,#7c3aed);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-0.5px;text-shadow:0 0 30px rgba(0,212,255,0.2)}
.site-logo:hover{-webkit-text-fill-color:transparent;filter:brightness(1.2)}
.main-nav{display:flex;align-items:center;gap:8px}
.main-nav a{position:relative;padding:8px 18px;border-radius:var(--radius-sm);font-size:0.95rem;font-weight:500;color:var(--text-muted);transition:var(--transition);white-space:nowrap}
.main-nav a i{margin-right:6px;font-size:0.9em}
.main-nav a:hover{color:#fff;background:rgba(0,212,255,0.08)}
.main-nav a.active{color:var(--primary);background:rgba(0,212,255,0.1);text-shadow:0 0 20px var(--primary-glow)}
.main-nav a.active::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60%;height:2px;background:var(--primary);border-radius:2px;box-shadow:0 0 14px var(--primary-glow)}
.main-nav .nav-cta{background:linear-gradient(135deg,#00d4ff,#7c3aed);color:#fff!important;font-weight:600;padding:8px 24px;border-radius:var(--radius-sm);box-shadow:0 0 20px rgba(0,212,255,0.2)}
.main-nav .nav-cta:hover{background:linear-gradient(135deg,#00e5ff,#8b5cf6);box-shadow:0 0 30px rgba(0,212,255,0.35);color:#fff!important;transform:translateY(-1px)}
.hamburger{display:none;background:none;border:none;color:var(--text-primary);font-size:1.6rem;cursor:pointer;padding:6px 10px;border-radius:var(--radius-sm);transition:var(--transition)}
.hamburger:hover{background:rgba(0,212,255,0.1)}
@media(max-width:768px){
  .hamburger{display:block}
  .main-nav{position:fixed;top:70px;left:0;right:0;background:rgba(10,14,23,0.98);backdrop-filter:blur(20px);flex-direction:column;padding:20px 24px;gap:4px;border-bottom:1px solid var(--border-color);transform:translateY(-120%);opacity:0;pointer-events:none;transition:var(--transition);box-shadow:0 20px 60px rgba(0,0,0,0.8)}
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .main-nav a{width:100%;padding:12px 16px;border-radius:var(--radius-md)}
  .main-nav .nav-cta{margin-top:8px;text-align:center}
}

/* ===== Article Hero ===== */
.article-hero{position:relative;padding:80px 0 60px;background:linear-gradient(135deg,rgba(10,14,23,0.92),rgba(17,24,39,0.88)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;border-bottom:1px solid rgba(0,212,255,0.08)}
.article-hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:80px;background:linear-gradient(to top,var(--bg-body),transparent)}
.article-hero .container{position:relative;z-index:2;max-width:var(--article-w)}
.article-breadcrumb{display:flex;align-items:center;gap:10px;font-size:0.85rem;color:var(--text-dim);margin-bottom:20px;flex-wrap:wrap}
.article-breadcrumb a{color:var(--text-muted)}
.article-breadcrumb a:hover{color:var(--primary)}
.article-breadcrumb .sep{color:var(--text-dim);font-size:0.7rem}
.article-category{display:inline-block;padding:4px 16px;border-radius:20px;font-size:0.8rem;font-weight:600;background:rgba(0,212,255,0.12);color:var(--primary);border:1px solid rgba(0,212,255,0.2);margin-bottom:16px;letter-spacing:0.3px}
.article-hero h1{font-size:2.6rem;font-weight:800;line-height:1.25;color:#fff;margin-bottom:18px;text-shadow:0 2px 30px rgba(0,0,0,0.5);letter-spacing:-0.3px}
.article-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;font-size:0.9rem;color:var(--text-muted)}
.article-meta span{display:flex;align-items:center;gap:6px}
.article-meta i{color:var(--primary);font-size:0.85rem}
@media(max-width:768px){
  .article-hero{padding:50px 0 40px}
  .article-hero h1{font-size:1.8rem}
  .article-meta{gap:12px;font-size:0.8rem}
}
@media(max-width:520px){
  .article-hero h1{font-size:1.5rem}
}

/* ===== Article Content ===== */
.article-main{padding:50px 0 60px}
.article-body{max-width:var(--article-w);margin:0 auto}
.article-featured-img{margin-bottom:36px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);border:1px solid var(--border-color)}
.article-featured-img img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-content{font-size:1.1rem;line-height:1.9;color:var(--text-body)}
.article-content p{margin-bottom:1.6em}
.article-content h2,.article-content h3,.article-content h4{color:#fff;font-weight:700;margin-top:2em;margin-bottom:0.8em;line-height:1.3}
.article-content h2{font-size:1.7rem;border-left:4px solid var(--primary);padding-left:18px;box-shadow:-4px 0 20px rgba(0,212,255,0.08)}
.article-content h3{font-size:1.35rem}
.article-content ul,.article-content ol{padding-left:1.8em;margin-bottom:1.6em}
.article-content li{margin-bottom:0.5em}
.article-content ul li::marker{color:var(--primary)}
.article-content a{color:var(--primary);border-bottom:1px solid rgba(0,212,255,0.25);padding-bottom:1px}
.article-content a:hover{color:#fff;border-color:var(--primary)}
.article-content blockquote{border-left:4px solid var(--secondary);background:rgba(124,58,237,0.08);padding:20px 28px;margin:1.8em 0;border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--text-muted);font-style:italic}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:var(--radius-md);margin:1.8em auto;box-shadow:var(--shadow-card)}
.article-content .wp-caption-text,.article-content figcaption{text-align:center;font-size:0.85rem;color:var(--text-dim);margin-top:-0.8em;margin-bottom:2em}
@media(max-width:768px){
  .article-content{font-size:1rem;line-height:1.8}
  .article-content h2{font-size:1.4rem}
  .article-content h3{font-size:1.2rem}
}

/* ===== Tags & Share ===== */
.article-footer-bar{max-width:var(--article-w);margin:40px auto 0;padding-top:30px;border-top:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.article-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.article-tags .tag-label{font-size:0.85rem;color:var(--text-dim)}
.article-tags .tag{display:inline-block;padding:4px 16px;border-radius:20px;font-size:0.8rem;font-weight:500;background:rgba(0,212,255,0.08);color:var(--text-muted);border:1px solid var(--border-light);transition:var(--transition)}
.article-tags .tag:hover{background:rgba(0,212,255,0.15);color:var(--primary);border-color:var(--primary)}
.article-share{display:flex;align-items:center;gap:8px}
.article-share span{font-size:0.85rem;color:var(--text-dim)}
.article-share a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--bg-card);color:var(--text-muted);border:1px solid var(--border-color);transition:var(--transition)}
.article-share a:hover{background:var(--primary);color:#0a0e17;border-color:var(--primary);box-shadow:0 0 20px var(--primary-glow);transform:translateY(-2px)}
@media(max-width:520px){
  .article-footer-bar{flex-direction:column;align-items:flex-start}
}

/* ===== CTA ===== */
.article-cta{max-width:var(--article-w);margin:40px auto 0;padding:36px 40px;background:linear-gradient(135deg,rgba(0,212,255,0.06),rgba(124,58,237,0.06));border-radius:var(--radius-lg);border:1px solid rgba(0,212,255,0.1);text-align:center}
.article-cta p{font-size:1.1rem;color:var(--text-muted);margin-bottom:18px}
.article-cta .btn-group{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 32px;border-radius:var(--radius-sm);font-weight:600;font-size:0.95rem;border:none;cursor:pointer;transition:var(--transition);text-decoration:none}
.btn-primary{background:linear-gradient(135deg,#00d4ff,#7c3aed);color:#fff;box-shadow:0 4px 20px rgba(0,212,255,0.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,212,255,0.35);color:#fff}
.btn-outline{background:transparent;color:var(--text-body);border:1px solid var(--border-light)}
.btn-outline:hover{background:rgba(0,212,255,0.08);border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
@media(max-width:520px){
  .article-cta{padding:28px 20px}
  .article-cta .btn-group{flex-direction:column;width:100%}
  .article-cta .btn{width:100%;justify-content:center}
}

/* ===== Related Posts ===== */
.related-section{padding:60px 0 70px;background:var(--bg-card);border-top:1px solid var(--border-color)}
.related-section .section-title{text-align:center;font-size:1.8rem;font-weight:700;color:#fff;margin-bottom:8px}
.related-section .section-sub{text-align:center;color:var(--text-dim);margin-bottom:40px;font-size:1rem}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.related-card{background:var(--bg-elevated);border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-color);transition:var(--transition);display:flex;flex-direction:column}
.related-card:hover{transform:translateY(-6px);border-color:rgba(0,212,255,0.2);box-shadow:0 16px 48px rgba(0,0,0,0.5),0 0 20px rgba(0,212,255,0.06)}
.related-card .rc-img{aspect-ratio:16/10;overflow:hidden;background:var(--bg-body)}
.related-card .rc-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.related-card:hover .rc-img img{transform:scale(1.05)}
.related-card .rc-body{padding:16px 18px 20px;flex:1;display:flex;flex-direction:column}
.related-card .rc-cat{font-size:0.75rem;color:var(--primary);font-weight:600;text-transform:uppercase;letter-spacing:0.5px;margin-bottom:6px}
.related-card .rc-title{font-size:0.95rem;font-weight:600;color:#fff;line-height:1.4;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .rc-title:hover{color:var(--primary)}
.related-card .rc-meta{font-size:0.78rem;color:var(--text-dim);margin-top:auto}
@media(max-width:1024px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.related-grid{grid-template-columns:1fr}}

/* ===== Not Found ===== */
.not-found-wrap{max-width:var(--article-w);margin:0 auto;padding:80px 0;text-align:center}
.not-found-wrap .nf-icon{font-size:4rem;color:var(--text-dim);margin-bottom:20px;display:block}
.not-found-wrap h2{font-size:2rem;color:#fff;margin-bottom:12px}
.not-found-wrap p{color:var(--text-muted);font-size:1.1rem;margin-bottom:28px}
.not-found-wrap .btn{margin-top:8px}

/* ===== Footer ===== */
.site-footer{background:#070b12;border-top:1px solid var(--border-color);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:40px}
.footer-brand .site-logo{font-size:1.6rem;font-weight:800;background:linear-gradient(135deg,#00d4ff,#7c3aed);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:inline-block;margin-bottom:14px}
.footer-brand p{font-size:0.92rem;color:var(--text-dim);line-height:1.7;max-width:320px}
.footer-col h4{font-size:1rem;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:0.3px}
.footer-col ul{list-style:none;padding:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:0.9rem;color:var(--text-dim);transition:var(--transition);display:inline-flex;align-items:center;gap:8px}
.footer-col ul li a:hover{color:var(--primary);padding-left:4px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:24px 0;border-top:1px solid var(--border-color);font-size:0.85rem;color:var(--text-dim);flex-wrap:wrap;gap:12px}
.footer-social{display:flex;gap:12px}
.footer-social a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--bg-card);color:var(--text-muted);border:1px solid var(--border-color);transition:var(--transition)}
.footer-social a:hover{background:var(--primary);color:#0a0e17;border-color:var(--primary);box-shadow:0 0 20px var(--primary-glow);transform:translateY(-2px)}
@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* ===== Misc Utilities ===== */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.text-center{text-align:center}
.mt-1{margin-top:1rem}
.mt-2{margin-top:2rem}
.mb-1{margin-bottom:1rem}
.mb-2{margin-bottom:2rem}

/* ===== Scrollbar ===== */
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:var(--bg-body)}
::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--text-dim)}

/* ===== Selection ===== */
::selection{background:rgba(0,212,255,0.25);color:#fff}