/* roulang page: index */
:root {
            --bg-deep: #060B17;
            --bg-surface: #0D1829;
            --glass-bg: rgba(13, 24, 41, 0.72);
            --glass-border: rgba(148, 190, 255, 0.18);
            --text-main: #E8EEF7;
            --text-secondary: rgba(232, 238, 247, 0.62);
            --accent-cyan: #00E2FF;
            --accent-cyan-hover: #23C4E0;
            --accent-gold: #F6B84B;
            --accent-gold-deep: #D99E30;
            --danger: #FF5A5A;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.28);
            --shadow-glow: 0 12px 48px rgba(0, 226, 255, 0.12);
            --spacing-section: 80px;
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            background: var(--bg-deep);
            color: var(--text-main);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--accent-cyan-hover);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container-custom {
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }
        .section-wrapper {
            padding: var(--spacing-section) 0;
        }
        @media (max-width: 768px) {
            .section-wrapper {
                padding: 60px 0;
            }
        }
        .section-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 36px;
        }
        .section-line {
            width: 4px;
            height: 20px;
            border-radius: 4px;
            background: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(0, 226, 255, 0.5);
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0;
            letter-spacing: 0.5px;
            color: var(--text-main);
        }
        .section-sub {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0 0 0 auto;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 22px;
            }
            .section-sub {
                display: none;
            }
        }

        /* ===== 导航栏 ===== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 72px;
            z-index: 1050;
            background: rgba(6, 11, 23, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--glass-border);
        }
        .site-nav::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-gold), transparent);
            z-index: 1;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .brand-link {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .brand-badge {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 226, 255, 0.08);
            box-shadow: 0 0 10px rgba(0, 226, 255, 0.2);
        }
        .brand-badge i {
            font-size: 13px;
            color: var(--accent-cyan);
        }
        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.9);
            letter-spacing: 0.5px;
        }
        .brand-text .brand-cyan {
            color: var(--accent-cyan);
            font-weight: 800;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: rgba(232, 238, 247, 0.82);
            text-decoration: none;
            padding: 8px 2px;
            position: relative;
            transition: color 0.3s ease;
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0%;
            height: 2px;
            background: var(--accent-cyan);
            transition: width 0.3s ease;
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 226, 255, 0.5);
        }
        .nav-links a:hover {
            color: var(--accent-cyan);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links .active {
            color: var(--accent-cyan);
            text-shadow: 0 0 12px rgba(0, 226, 255, 0.5);
        }
        .nav-links .active::after {
            width: 100%;
            box-shadow: 0 0 12px rgba(0, 226, 255, 0.6);
        }
        .nav-cta {
            height: 40px;
            padding: 8px 22px;
            border-radius: 36px;
            border: none;
            background: linear-gradient(135deg, var(--accent-cyan), #00B4D8);
            color: #06121D;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(0, 226, 255, 0.2);
            cursor: pointer;
        }
        .nav-cta:hover {
            box-shadow: 0 0 24px rgba(0, 226, 255, 0.35);
            filter: brightness(1.1);
            transform: translateY(-2px);
        }
        .nav-cta:active {
            filter: brightness(0.9);
            transform: translateY(0);
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 24px;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
        }
        .navbar-toggler-custom:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 226, 255, 0.2);
        }
        .mobile-menu {
            position: fixed;
            top: 72px;
            left: 0;
            width: 100%;
            background: #0A1424;
            z-index: 1040;
            padding: 24px;
            border-bottom: 2px solid var(--accent-cyan);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
            display: none;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu .menu-item {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            font-weight: 500;
            color: rgba(232, 238, 247, 0.82);
            text-decoration: none;
            border-bottom: 1px solid rgba(148, 190, 255, 0.08);
            transition: color 0.3s ease, padding-left 0.3s ease;
        }
        .mobile-menu .menu-item:last-child {
            border-bottom: none;
        }
        .mobile-menu .menu-item:hover,
        .mobile-menu .menu-item.active {
            color: var(--accent-cyan);
            padding-left: 8px;
        }
        .mobile-menu .menu-cta {
            margin-top: 20px;
            width: 100%;
            justify-content: center;
        }
        @media (max-width: 991px) {
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .navbar-toggler-custom {
                display: inline-flex;
                align-items: center;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            height: 100vh;
            min-height: 640px;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            display: flex;
            align-items: center;
            margin-top: 72px;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(6, 11, 23, 0.95) 15%, rgba(6, 11, 23, 0.6) 55%, rgba(6, 11, 23, 0.45) 100%);
        }
        @media (max-width: 768px) {
            .hero-overlay {
                background: linear-gradient(180deg, rgba(6, 11, 23, 0.7) 0%, rgba(6, 11, 23, 0.9) 70%, rgba(6, 11, 23, 0.96) 100%);
            }
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 660px;
            padding: 0 24px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            letter-spacing: 3px;
            color: var(--accent-cyan);
            font-weight: 500;
            margin-bottom: 20px;
        }
        .hero-tag i {
            font-size: 12px;
        }
        .hero-title {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin: 0 0 18px 0;
            letter-spacing: 0.5px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 28px;
            }
        }
        .hero-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(232, 238, 247, 0.78);
            margin-bottom: 36px;
            max-width: 540px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-cyan) 0%, #00B4D8 100%);
            color: #06121D;
            border: none;
            border-radius: 36px;
            padding: 12px 32px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .btn-primary-custom:hover {
            box-shadow: 0 0 24px rgba(0, 226, 255, 0.35);
            filter: brightness(1.1);
            transform: translateY(-2px);
            color: #06121D;
        }
        .btn-primary-custom:active {
            filter: brightness(0.9);
            transform: translateY(0);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 226, 255, 0.06);
            border: 1px solid rgba(0, 226, 255, 0.4);
            color: var(--accent-cyan);
            border-radius: 36px;
            padding: 10px 24px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .btn-outline-custom:hover {
            background: rgba(0, 226, 255, 0.15);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            transform: translateY(-2px);
            box-shadow: 0 0 16px rgba(0, 226, 255, 0.15);
        }
        .hero-scroll {
            position: absolute;
            bottom: 28px;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 4px;
            border-radius: 4px;
            background: rgba(0, 226, 255, 0.5);
            box-shadow: 0 0 12px rgba(0, 226, 255, 0.4);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .hero-scroll:hover {
            background: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(0, 226, 255, 0.7);
        }
        .hero-orbit {
            position: absolute;
            right: 6%;
            bottom: 16%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 226, 255, 0.25) 0%, rgba(246, 184, 75, 0.08) 45%, transparent 70%);
            border: 1px solid rgba(148, 190, 255, 0.12);
            pointer-events: none;
            z-index: 1;
        }
        @media (max-width: 768px) {
            .hero-orbit {
                display: none;
            }
            .hero-section {
                height: 80vh;
            }
        }

        /* ===== 横滑片库 ===== */
        .carousel-row {
            display: flex;
            flex-wrap: nowrap;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            gap: 20px;
            padding: 24px 24px 32px;
            scrollbar-width: thin;
            scrollbar-color: rgba(0, 226, 255, 0.3) transparent;
        }
        .carousel-row::-webkit-scrollbar {
            height: 6px;
        }
        .carousel-row::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.04);
            border-radius: 4px;
        }
        .carousel-row::-webkit-scrollbar-thumb {
            background: rgba(0, 226, 255, 0.3);
            border-radius: 4px;
        }
        .carousel-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            backdrop-filter: blur(16px);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .carousel-card:hover {
            border-color: rgba(148, 190, 255, 0.38);
            box-shadow: var(--shadow-glow);
        }
        .carousel-card .cover-wrap {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            position: relative;
        }
        .carousel-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .carousel-card:hover .cover-wrap img {
            transform: scale(1.03);
        }
        .carousel-card-body {
            padding: 16px 16px 20px;
        }
        .carousel-card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 6px;
        }
        .carousel-card-meta {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .carousel-card-meta .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-cyan);
            display: inline-block;
        }
        .carousel-more {
            flex: 0 0 200px;
            scroll-snap-align: start;
            background: transparent;
            border: 2px dashed rgba(0, 226, 255, 0.4);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 8px;
            color: var(--accent-cyan);
            font-size: 15px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            min-height: 180px;
        }
        .carousel-more:hover {
            border-style: solid;
            background: rgba(0, 226, 255, 0.06);
            box-shadow: 0 0 20px rgba(0, 226, 255, 0.1);
            color: var(--accent-cyan);
        }
        .carousel-more i {
            font-size: 20px;
        }
        @media (max-width: 768px) {
            .carousel-card {
                flex: 0 0 200px;
            }
            .carousel-more {
                flex: 0 0 140px;
            }
        }

        /* ===== 热播推荐 ===== */
        .hot-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            backdrop-filter: blur(16px);
            transition: all 0.3s ease;
            height: 100%;
        }
        .hot-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-glow);
            border-color: rgba(148, 190, 255, 0.38);
        }
        .hot-card .cover-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .hot-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .hot-card:hover .cover-wrap img {
            transform: scale(1.03);
        }
        .hot-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent-gold);
            color: #1A1205;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 8px;
            box-shadow: 0 0 12px rgba(246, 184, 75, 0.4);
            letter-spacing: 0.5px;
        }
        .hot-card-body {
            padding: 20px 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .hot-card-body h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0;
            line-height: 1.4;
        }
        .hot-card-body p {
            font-size: 13px;
            line-height: 1.6;
            color: var(--text-secondary);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 10px;
        }
        .hot-rating {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--accent-gold);
            font-weight: 600;
        }
        .hot-rating i {
            font-size: 12px;
        }
        .hot-link {
            font-size: 13px;
            color: var(--accent-cyan);
            font-weight: 500;
            text-decoration: none;
            transition: opacity 0.3s ease;
        }
        .hot-link:hover {
            opacity: 0.8;
            color: var(--accent-cyan);
        }

        /* ===== 主题专区 ===== */
        .zone-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(16px);
            transition: all 0.3s ease;
        }
        .zone-card::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            opacity: 0.2;
            background: radial-gradient(circle, var(--zone-glow, var(--accent-cyan)), transparent 70%);
            pointer-events: none;
        }
        .zone-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-glow);
            border-color: rgba(148, 190, 255, 0.38);
        }
        .zone-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid rgba(0, 226, 255, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--accent-cyan);
            margin-bottom: 18px;
            background: rgba(0, 226, 255, 0.06);
        }
        .zone-card h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .zone-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        .zone-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--accent-cyan);
            text-decoration: none;
            transition: all 0.3s ease;
            padding: 8px 18px;
            border: 1px solid rgba(0, 226, 255, 0.35);
            border-radius: 36px;
            background: rgba(0, 226, 255, 0.04);
        }
        .zone-link:hover {
            background: rgba(0, 226, 255, 0.12);
            color: var(--accent-cyan);
            border-color: var(--accent-cyan);
        }

        /* ===== 资讯列表 ===== */
        .news-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 16px;
            transition: all 0.3s ease;
        }
        .news-card:hover {
            border-color: rgba(148, 190, 255, 0.35);
            box-shadow: var(--shadow-glow);
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
        }
        .news-date {
            flex-shrink: 0;
            width: 90px;
            font-size: 13px;
            color: var(--text-secondary);
            padding-top: 4px;
            transition: color 0.3s ease;
        }
        .news-main {
            flex: 1;
            min-width: 0;
        }
        .news-title {
            display: block;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-decoration: none;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: color 0.3s ease;
        }
        .news-title:hover {
            color: var(--accent-cyan);
        }
        .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-badge {
            flex-shrink: 0;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 24px;
            background: rgba(0, 226, 255, 0.12);
            color: var(--accent-cyan);
            white-space: nowrap;
            margin-top: 2px;
        }
        .news-card:hover .news-date {
            color: var(--accent-cyan);
        }
        .news-card:hover .news-title {
            color: var(--accent-cyan);
        }
        .news-empty {
            padding: 48px 24px;
            text-align: center;
            border: 2px dashed rgba(148, 190, 255, 0.2);
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.02);
            color: var(--text-secondary);
            font-size: 15px;
        }
        .news-empty i {
            font-size: 24px;
            margin-right: 8px;
            opacity: 0.6;
        }
        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-date {
                width: auto;
            }
            .news-title {
                white-space: normal;
                -webkit-line-clamp: 2;
                display: -webkit-box;
                -webkit-box-orient: vertical;
            }
            .news-summary {
                white-space: normal;
                -webkit-line-clamp: 2;
                display: -webkit-box;
                -webkit-box-orient: vertical;
            }
            .news-badge {
                margin-top: 4px;
            }
        }

        /* ===== FAQ ===== */
        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: rgba(13, 24, 41, 0.6);
            border: 1px solid rgba(148, 190, 255, 0.15);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }
        .faq-item:hover {
            border-color: rgba(148, 190, 255, 0.3);
        }
        .faq-header {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            background: none;
            border: none;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            cursor: pointer;
            text-align: left;
            transition: color 0.3s ease;
        }
        .faq-header:hover {
            color: var(--accent-cyan);
        }
        .faq-header .faq-icon {
            font-size: 16px;
            color: var(--accent-cyan);
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-header .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item.open .faq-header {
            color: var(--accent-cyan);
        }
        .faq-body {
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            display: none;
        }
        .faq-item.open .faq-body {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-banner {
            position: relative;
            border-radius: 24px;
            background: linear-gradient(135deg, rgba(0, 226, 255, 0.08) 0%, rgba(6, 11, 23, 0.6) 60%, rgba(246, 184, 75, 0.1) 100%);
            border-top: 1px solid rgba(0, 226, 255, 0.4);
            padding: 60px 48px;
            overflow: hidden;
            text-align: center;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .cta-banner::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
        }
        .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-content h2 {
            font-size: 30px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.95);
            margin-bottom: 12px;
        }
        .cta-content p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 28px;
        }
        .btn-gold-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-deep));
            color: #1A1205;
            border: none;
            border-radius: 36px;
            padding: 14px 48px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(246, 184, 75, 0.25);
        }
        .btn-gold-custom:hover {
            box-shadow: 0 0 28px rgba(246, 184, 75, 0.35);
            transform: translateY(-3px);
            color: #1A1205;
            filter: brightness(1.05);
        }
        .btn-gold-custom:active {
            transform: translateY(-1px);
            filter: brightness(0.95);
        }
        @media (max-width: 768px) {
            .cta-banner {
                padding: 40px 24px;
            }
            .cta-content h2 {
                font-size: 24px;
            }
        }

        /* ===== 页脚 ===== */
        .footer-section {
            background: #04070F;
            border-top: 1px solid rgba(148, 190, 255, 0.15);
            padding: 60px 0 0;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-brand .brand-link {
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            max-width: 320px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(232, 238, 247, 0.6);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-contact div {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(232, 238, 247, 0.6);
        }
        .footer-contact i {
            color: var(--accent-cyan);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(148, 190, 255, 0.08);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
        }
        .footer-icp {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
        }
        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 通用工具 ===== */
        .text-cyan {
            color: var(--accent-cyan);
        }
        .text-gold {
            color: var(--accent-gold);
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mt-40 {
            margin-top: 40px;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .pagination-group {
            display: flex;
            gap: 8px;
            justify-content: center;
            margin-top: 24px;
        }
        .pagination-group .page-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.6);
            background: transparent;
            border: 1px solid rgba(148, 190, 255, 0.2);
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        .pagination-group .page-btn:hover {
            background: rgba(0, 226, 255, 0.12);
            color: var(--accent-cyan);
        }
        .pagination-group .page-btn.active {
            background: var(--accent-cyan);
            color: #06121D;
            border-color: var(--accent-cyan);
            font-weight: 700;
        }

/* roulang page: category1 */
:root {
            --bg-primary: #060B17;
            --bg-surface: #0D1829;
            --glass-bg: rgba(13, 24, 41, 0.72);
            --glass-border: rgba(148, 190, 255, 0.18);
            --text-primary: #E8EEF7;
            --text-secondary: rgba(232, 238, 247, 0.62);
            --accent-cyan: #00E2FF;
            --accent-cyan-hover: #23C4E0;
            --accent-amber: #F6B84B;
            --accent-amber-dark: #D99E30;
            --danger: #FF5A5A;
            --radius-card: 16px;
            --radius-btn: 36px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.28);
            --shadow-cyan: 0 0 24px rgba(0, 226, 255, 0.35);
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .3s;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
        }
        ul {
            list-style: none;
        }
        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Navbar ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(6, 11, 23, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(148, 190, 255, 0.12);
            height: 72px;
        }
        .site-nav::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, #00E2FF, #F6B84B, transparent);
            z-index: 1;
        }
        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }
        .brand-link {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-badge {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1.5px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 14px;
            box-shadow: 0 0 12px rgba(0, 226, 255, 0.25);
        }
        .brand-text {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: rgba(232, 238, 247, 0.9);
            white-space: nowrap;
        }
        .brand-cyan {
            color: var(--accent-cyan);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .nav-links li a {
            color: rgba(232, 238, 247, 0.82);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            transition: color .3s;
        }
        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            transition: width .3s;
            box-shadow: 0 0 8px rgba(0, 226, 255, 0.5);
        }
        .nav-links li a:hover {
            color: var(--accent-cyan);
        }
        .nav-links li a:hover::after {
            width: 100%;
        }
        .nav-links li a.active {
            color: var(--accent-cyan);
            text-shadow: 0 0 12px rgba(0, 226, 255, 0.5);
        }
        .nav-links li a.active::after {
            width: 100%;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 40px;
            padding: 0 22px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, #00E2FF, #00B4D8);
            color: #06121D;
            font-size: 15px;
            font-weight: 600;
            transition: all .3s;
            flex-shrink: 0;
        }
        .nav-cta:hover {
            box-shadow: 0 0 24px rgba(0, 226, 255, 0.35);
            filter: brightness(1.1);
            transform: translateY(-2px);
            color: #06121D;
        }
        .nav-cta:active {
            filter: brightness(0.9);
            transform: translateY(0);
        }
        .navbar-toggler-custom {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid rgba(148, 190, 255, 0.3);
            color: #E8EEF7;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            background: transparent;
        }

        /* ========== Category Hero ========== */
        .category-hero {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            margin-top: 72px;
            padding: 60px 0;
            overflow: hidden;
        }
        .category-hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
        }
        .category-hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(6, 11, 23, 0.94) 15%, rgba(6, 11, 23, 0.72) 55%, rgba(6, 11, 23, 0.55) 100%);
        }
        .category-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-nav {
            font-size: 13px;
            color: rgba(232, 238, 247, 0.5);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-nav a {
            color: rgba(232, 238, 247, 0.5);
        }
        .breadcrumb-nav a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb-nav span {
            color: rgba(232, 238, 247, 0.8);
        }
        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            color: #E8EEF7;
        }
        .category-hero .category-desc {
            max-width: 720px;
            font-size: 15px;
            line-height: 1.75;
            color: rgba(232, 238, 247, 0.72);
            margin-bottom: 0;
        }

        /* ========== Section ========== */
        .section-block {
            padding: 80px 0;
        }
        .section-heading {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 40px;
            position: relative;
            padding-left: 16px;
        }
        .section-heading::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 4px;
            height: 20px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(0, 226, 255, 0.4);
        }

        /* ========== Category Cards ========== */
        .category-cards-section {
            padding: 80px 0;
        }
        .category-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all .35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 48px rgba(0, 226, 255, 0.12);
            border-color: rgba(148, 190, 255, 0.38);
        }
        .category-card .card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }
        .category-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .category-card:hover .card-cover img {
            transform: scale(1.05);
        }
        .category-card .card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card .card-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #E8EEF7;
        }
        .category-card .card-body p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(232, 238, 247, 0.62);
            margin-bottom: 16px;
            flex: 1;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-cyan);
            transition: all .3s;
        }
        .card-link:hover {
            color: #fff;
            text-shadow: 0 0 8px rgba(0, 226, 255, 0.5);
        }
        .card-link i {
            font-size: 12px;
            transition: transform .3s;
        }
        .card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== Feature Strip ========== */
        .feature-strip {
            padding: 60px 0;
            background: rgba(13, 24, 41, 0.4);
            border-top: 1px solid rgba(148, 190, 255, 0.08);
            border-bottom: 1px solid rgba(148, 190, 255, 0.08);
        }
        .feature-item {
            text-align: center;
            padding: 24px 16px;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            border: 1.5px solid rgba(0, 226, 255, 0.4);
            background: rgba(0, 226, 255, 0.06);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 20px;
            margin-bottom: 16px;
            box-shadow: 0 0 20px rgba(0, 226, 255, 0.1);
        }
        .feature-item h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            color: #E8EEF7;
        }
        .feature-item p {
            font-size: 14px;
            color: rgba(232, 238, 247, 0.62);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 80px 0;
        }
        .accordion-item {
            background: rgba(13, 24, 41, 0.6);
            border: 1px solid rgba(148, 190, 255, 0.15);
            border-radius: 14px !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-button {
            background: transparent;
            color: #E8EEF7;
            font-size: 15px;
            font-weight: 500;
            padding: 20px 24px;
            box-shadow: none;
        }
        .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--accent-cyan);
        }
        .accordion-button:focus {
            box-shadow: none;
        }
        .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 22px;
            font-weight: 300;
            color: rgba(232, 238, 247, 0.62);
            display: flex;
            align-items: center;
            justify-content: center;
            width: auto;
            height: auto;
            transition: transform .3s;
            font-family: sans-serif;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--accent-cyan);
        }
        .accordion-body {
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.7;
            color: rgba(232, 238, 247, 0.62);
        }

        /* ========== CTA Banner ========== */
        .cta-banner {
            padding: 80px 0;
        }
        .cta-banner-inner {
            position: relative;
            background: linear-gradient(135deg, rgba(0, 226, 255, 0.08), rgba(6, 11, 23, 0.6) 60%, rgba(246, 184, 75, 0.1)), url('/assets/images/backpic/back-2.webp') center / cover;
            border-radius: 24px;
            padding: 60px 40px;
            text-align: center;
            border-top: 1px solid rgba(0, 226, 255, 0.3);
            overflow: hidden;
        }
        .cta-banner-inner h2 {
            font-size: 28px;
            font-weight: 700;
            color: rgba(232, 238, 247, 0.95);
            margin-bottom: 12px;
        }
        .cta-banner-inner p {
            font-size: 15px;
            color: rgba(232, 238, 247, 0.65);
            margin-bottom: 24px;
        }
        .btn-amber {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 48px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, #F6B84B, #D99E30);
            color: #1A1205;
            font-size: 15px;
            font-weight: 600;
            transition: all .3s;
            border: none;
        }
        .btn-amber:hover {
            box-shadow: 0 0 28px rgba(246, 184, 75, 0.35);
            transform: translateY(-2px);
            color: #1A1205;
        }
        .btn-amber:active {
            transform: translateY(0);
            filter: brightness(0.9);
        }

        /* ========== Back Home ========== */
        .back-home-wrapper {
            padding: 0 0 80px;
            text-align: center;
        }
        .btn-outline-cyan {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(0, 226, 255, 0.4);
            background: rgba(0, 226, 255, 0.06);
            color: var(--accent-cyan);
            font-size: 15px;
            font-weight: 500;
            transition: all .3s;
        }
        .btn-outline-cyan:hover {
            background: rgba(0, 226, 255, 0.15);
            box-shadow: 0 0 20px rgba(0, 226, 255, 0.15);
            color: var(--accent-cyan);
        }

        /* ========== Footer ========== */
        .footer-section {
            background: #04070F;
            border-top: 1px solid rgba(148, 190, 255, 0.15);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand {
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(232, 238, 247, 0.5);
            margin-top: 16px;
            max-width: 320px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #E8EEF7;
            margin-bottom: 16px;
        }
        .footer-links {
            padding: 0;
            margin: 0;
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(232, 238, 247, 0.6);
            font-size: 14px;
            transition: all .3s;
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }
        .footer-contact div {
            color: rgba(232, 238, 247, 0.6);
            font-size: 14px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact i {
            color: var(--accent-cyan);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(148, 190, 255, 0.1);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(232, 238, 247, 0.4);
        }
        .footer-icp {
            color: rgba(232, 238, 247, 0.3) !important;
        }

        /* ========== Responsive ========== */
        @media (max-width: 991px) {
            .nav-links {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .site-nav.mobile-open .nav-links {
                display: flex;
                flex-direction: column;
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #0A1424;
                padding: 24px 32px;
                gap: 16px;
                border-bottom: 2px solid var(--accent-cyan);
                z-index: 999;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .section-block,
            .category-cards-section,
            .faq-section {
                padding: 60px 0;
            }
        }

        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .category-hero {
                margin-top: 64px;
                min-height: 280px;
                padding: 40px 0;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .cta-banner-inner {
                padding: 40px 20px;
            }
            .nav-cta {
                display: none;
            }
            .cta-banner-inner h2 {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .category-hero .category-desc {
                font-size: 14px;
            }
            .section-heading {
                font-size: 22px;
            }
            .category-card .card-body {
                padding: 16px 16px 20px;
            }
            .btn-amber {
                padding: 0 32px;
                height: 44px;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #060B17;
            --bg-surface: #0D1829;
            --glass-bg: rgba(13, 24, 41, 0.72);
            --glass-border: rgba(148, 190, 255, 0.18);
            --text-primary: #E8EEF7;
            --text-secondary: rgba(232, 238, 247, 0.62);
            --accent-cyan: #00E2FF;
            --accent-cyan-hover: #23C4E0;
            --accent-amber: #F6B84B;
            --accent-amber-dark: #D99E30;
            --danger: #FF5A5A;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 12px 48px rgba(0, 226, 255, 0.12);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.75;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color .3s ease;
        }
        a:hover {
            color: var(--accent-cyan-hover);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        button {
            font-family: inherit;
        }
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 顶部霓虹线 ===== */
        .nav-topline {
            height: 2px;
            background: linear-gradient(90deg, #00E2FF, #F6B84B, transparent);
            position: relative;
            z-index: 1050;
        }

        /* ===== 导航栏 ===== */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(6, 11, 23, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(148, 190, 255, 0.12);
        }
        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .brand-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .brand-badge {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1.5px solid rgba(0, 226, 255, 0.8);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 14px;
            box-shadow: 0 0 12px rgba(0, 226, 255, 0.25);
        }
        .brand-text {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: rgba(232, 238, 247, 0.9);
            white-space: nowrap;
        }
        .brand-cyan {
            color: var(--accent-cyan);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            position: relative;
            color: rgba(232, 238, 247, 0.82);
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            padding: 8px 2px;
            transition: color .3s ease;
        }
        .nav-links li a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            transition: width .3s ease;
        }
        .nav-links li a:hover {
            color: var(--accent-cyan);
        }
        .nav-links li a:hover::after {
            width: 100%;
        }
        .nav-links li a.active {
            color: var(--accent-cyan);
            text-shadow: 0 0 12px rgba(0, 226, 255, 0.5);
        }
        .nav-links li a.active::after {
            width: 100%;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 40px;
            padding: 0 22px;
            border-radius: 36px;
            background: linear-gradient(135deg, #00E2FF 0%, #00B4D8 100%);
            color: #06121D;
            font-size: 15px;
            font-weight: 600;
            text-decoration: none;
            border: none;
            white-space: nowrap;
            transition: box-shadow .3s ease, transform .3s ease, filter .3s ease;
        }
        .nav-cta:hover {
            box-shadow: 0 0 24px rgba(0, 226, 255, 0.35);
            filter: brightness(1.1);
            transform: translateY(-2px);
            color: #06121D;
        }
        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: 1px solid rgba(148, 190, 255, 0.2);
            border-radius: 8px;
            color: var(--text-primary);
            font-size: 18px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: border-color .3s ease, color .3s ease;
        }
        .navbar-toggler-custom:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        /* ===== 文章页头部 ===== */
        .article-hero {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            padding: 100px 0 60px;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(6, 11, 23, 0.94) 20%, rgba(6, 11, 23, 0.72) 60%, rgba(6, 11, 23, 0.55) 100%);
            z-index: 1;
        }
        .article-hero .container-custom {
            position: relative;
            z-index: 2;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: rgba(232, 238, 247, 0.5);
            margin-bottom: 20px;
        }
        .breadcrumb-nav a {
            color: rgba(232, 238, 247, 0.6);
            text-decoration: none;
            transition: color .3s ease;
        }
        .breadcrumb-nav a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb-sep {
            color: rgba(232, 238, 247, 0.35);
        }
        .breadcrumb-current {
            color: rgba(232, 238, 247, 0.8);
            max-width: 380px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== 文章 TDK 区 ===== */
        .article-tdk h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            margin: 0 0 16px;
            max-width: 780px;
        }
        .article-meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            color: rgba(232, 238, 247, 0.62);
            font-size: 13px;
            margin-bottom: 20px;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item i {
            color: var(--accent-cyan);
            opacity: 0.7;
        }

        /* ===== 正文区 ===== */
        .article-body-wrap {
            padding: 60px 0 40px;
            background: var(--bg-deep);
        }
        .back-link-wrap {
            max-width: 780px;
            margin: 0 auto 24px;
        }
        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(232, 238, 247, 0.6);
            font-size: 14px;
            text-decoration: none;
            transition: color .3s ease;
        }
        .back-link:hover {
            color: var(--accent-cyan);
        }
        .article-body {
            max-width: 780px;
            margin: 0 auto;
            background: rgba(13, 24, 41, 0.6);
            border: 1px solid rgba(148, 190, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-card);
        }
        .article-body p {
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 24px;
            color: rgba(232, 238, 247, 0.88);
        }
        .article-body h2,
        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.4;
            margin: 36px 0 16px;
            color: var(--text-primary);
        }
        .article-body h2 {
            font-size: 22px;
            border-left: 4px solid var(--accent-cyan);
            padding-left: 14px;
        }
        .article-body img {
            border-radius: 16px;
            margin: 24px 0;
        }
        .article-body blockquote {
            margin: 28px 0;
            padding: 20px 24px;
            border-left: 4px solid var(--accent-cyan);
            background: rgba(0, 226, 255, 0.05);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: rgba(232, 238, 247, 0.75);
            font-size: 15px;
            line-height: 1.8;
        }
        .article-body ul,
        .article-body ol {
            margin: 20px 0;
            padding-left: 24px;
            color: rgba(232, 238, 247, 0.85);
        }
        .article-body ul li,
        .article-body ol li {
            margin-bottom: 10px;
            line-height: 1.8;
        }
        .article-body a {
            color: var(--accent-cyan);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--accent-cyan-hover);
        }
        .article-body code {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 14px;
            color: var(--accent-cyan);
        }
        .article-body table {
            width: 100%;
            margin: 24px 0;
            border-collapse: collapse;
        }
        .article-body table th,
        .article-body table td {
            border: 1px solid rgba(148, 190, 255, 0.2);
            padding: 12px 16px;
            text-align: left;
        }
        .article-body table th {
            background: rgba(0, 226, 255, 0.06);
            color: var(--text-primary);
            font-weight: 600;
        }
        .article-empty {
            text-align: center;
            padding: 80px 24px;
            color: rgba(232, 238, 247, 0.6);
        }
        .article-empty i {
            font-size: 48px;
            color: rgba(148, 190, 255, 0.25);
            margin-bottom: 20px;
        }
        .article-empty p {
            font-size: 18px;
            margin-bottom: 20px;
        }
        .article-empty a {
            display: inline-block;
            padding: 10px 28px;
            border-radius: 36px;
            background: linear-gradient(135deg, #00E2FF 0%, #00B4D8 100%);
            color: #06121D;
            font-weight: 600;
            transition: box-shadow .3s ease, transform .3s ease;
        }
        .article-empty a:hover {
            box-shadow: 0 0 24px rgba(0, 226, 255, 0.35);
            transform: translateY(-2px);
            color: #06121D;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 60px 0 80px;
            background: var(--bg-deep);
        }
        .section-heading {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 36px;
            position: relative;
            padding-left: 16px;
        }
        .section-heading::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            border-radius: 2px;
            background: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 226, 255, 0.5);
        }
        .related-list {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding: 4px 4px 20px;
        }
        .related-list::-webkit-scrollbar {
            height: 6px;
        }
        .related-list::-webkit-scrollbar-track {
            background: rgba(148, 190, 255, 0.08);
            border-radius: 3px;
        }
        .related-list::-webkit-scrollbar-thumb {
            background: rgba(0, 226, 255, 0.3);
            border-radius: 3px;
        }
        .related-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            overflow: hidden;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: border-color .3s ease, box-shadow .3s ease;
        }
        .related-card:hover {
            border-color: rgba(148, 190, 255, 0.38);
            box-shadow: var(--shadow-hover);
        }
        .related-card .card-cover {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            background: var(--bg-surface);
        }
        .related-card .card-body {
            padding: 16px 16px 20px;
        }
        .related-card .card-category {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: rgba(0, 226, 255, 0.1);
            border-radius: 20px;
            padding: 4px 12px;
            margin-bottom: 10px;
        }
        .related-card .card-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-primary);
            margin: 0 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 48px;
        }
        .related-card .card-link {
            font-size: 13px;
            color: var(--accent-cyan);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .3s ease;
        }
        .related-card .card-link:hover {
            gap: 8px;
        }

        /* ===== CTA 横幅 ===== */
        .cta-banner {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(0, 226, 255, 0.08) 0%, rgba(6, 11, 23, 0.6) 60%, rgba(246, 184, 75, 0.1) 100%);
            border-top: 1px solid rgba(0, 226, 255, 0.2);
            text-align: center;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.12;
        }
        .cta-banner .container-custom {
            position: relative;
            z-index: 2;
        }
        .cta-banner h2 {
            font-size: 30px;
            font-weight: 700;
            color: rgba(232, 238, 247, 0.95);
            margin-bottom: 12px;
        }
        .cta-banner p {
            font-size: 15px;
            color: rgba(232, 238, 247, 0.65);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .btn-amber {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 48px;
            border-radius: 36px;
            background: linear-gradient(135deg, #F6B84B, #D99E30);
            color: #1A1205;
            font-size: 15px;
            font-weight: 600;
            text-decoration: none;
            border: none;
            transition: box-shadow .3s ease, transform .3s ease, filter .3s ease;
        }
        .btn-amber:hover {
            box-shadow: 0 0 28px rgba(246, 184, 75, 0.35);
            transform: translateY(-2px);
            color: #1A1205;
        }

        /* ===== 页脚 ===== */
        .footer-section {
            background: #04070F;
            border-top: 1px solid rgba(148, 190, 255, 0.15);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .brand-link {
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(232, 238, 247, 0.55);
            line-height: 1.8;
            max-width: 320px;
            margin-top: 14px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: rgba(232, 238, 247, 0.6);
            font-size: 14px;
            text-decoration: none;
            transition: color .3s ease;
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        .footer-contact div {
            color: rgba(232, 238, 247, 0.6);
            font-size: 14px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact i {
            color: var(--accent-cyan);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(148, 190, 255, 0.1);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(232, 238, 247, 0.4);
        }
        .footer-icp {
            color: rgba(232, 238, 247, 0.3);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-container {
                height: 64px;
                padding: 0 16px;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 260px;
                height: 100vh;
                background: #0A1424;
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
                padding: 100px 32px 40px;
                transition: right .3s ease;
                box-shadow: -20px 0 50px rgba(0, 0, 0, 0.4);
                z-index: 1030;
            }
            .site-nav.nav-open .nav-links {
                right: 0;
            }
            .site-nav.nav-open .nav-links::before {
                content: '';
                position: absolute;
                top: 0;
                left: 0;
                right: 0;
                height: 2px;
                background: linear-gradient(90deg, #00E2FF, #F6B84B, transparent);
            }
            .nav-links li a {
                font-size: 16px;
            }
            .nav-cta {
                display: none;
            }
            .navbar-toggler-custom {
                display: inline-flex;
            }
            .article-hero {
                min-height: 300px;
                padding: 80px 0 40px;
            }
            .article-tdk h1 {
                font-size: 28px;
            }
            .article-body {
                padding: 28px 20px;
                border-radius: 12px;
            }
            .article-body p {
                font-size: 15px;
                line-height: 1.75;
            }
            .related-card {
                flex: 0 0 220px;
            }
            .cta-banner {
                padding: 60px 0;
            }
            .cta-banner h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .container-custom {
                padding: 0 16px;
            }
        }
        @media (max-width: 520px) {
            .article-tdk h1 {
                font-size: 24px;
            }
            .article-meta-info {
                gap: 12px;
                flex-direction: column;
            }
            .related-card {
                flex: 0 0 180px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .btn-amber {
                padding: 0 32px;
            }
        }