/* roulang page: index */
:root {
            --bg-primary: #070C18;
            --bg-secondary: #0B1220;
            --bg-card: #0E1626;
            --brand-blue: #2E6BFF;
            --accent-red: #FF3D81;
            --accent-cyan: #00D3FF;
            --success: #2EE6A8;
            --warning: #FF9F43;
            --text-primary: rgba(255, 255, 255, 0.92);
            --text-secondary: rgba(255, 255, 255, 0.65);
            --text-muted: rgba(255, 255, 255, 0.42);
            --border-light: rgba(255, 255, 255, 0.08);
            --border-medium: rgba(255, 255, 255, 0.12);
            --radius-card: 22px;
            --radius-btn: 50px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 40px rgba(46, 107, 255, 0.18);
            --font-primary: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-num: 'DIN Alternate', 'Barlow Condensed', 'Roboto Condensed', sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-primary);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            padding-top: 80px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, border-color .25s ease, background-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .capsule-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: 92%;
            max-width: 1200px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            background: rgba(10, 15, 30, 0.7);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            z-index: 1050;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #2E6BFF, #00D3FF);
            border-radius: 8px;
            font-size: 14px;
            color: #fff;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .nav-menu .nav-item {
            margin: 0 4px;
        }
        .nav-menu .nav-link {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: all .3s ease;
        }
        .nav-menu .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--accent-cyan);
            box-shadow: 0 0 8px var(--accent-cyan);
            transition: width .3s ease;
        }
        .nav-menu .nav-link:hover {
            color: var(--accent-cyan);
        }
        .nav-menu .nav-link:hover::after {
            width: 60%;
        }
        .nav-menu .nav-link.active {
            background: rgba(46, 107, 255, 0.25);
            color: #fff;
        }
        .nav-menu .nav-link.active::after {
            display: none;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 26px;
            border-radius: 50px;
            background: linear-gradient(135deg, #2E6BFF, #00D3FF);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 0 20px rgba(46, 107, 255, 0.35);
            transition: all .3s ease;
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            box-shadow: 0 0 28px rgba(46, 107, 255, 0.6);
            transform: translateY(-1px);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            cursor: pointer;
            align-items: center;
            transition: background .3s;
        }
        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all .3s ease;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .hero-section {
            position: relative;
            min-height: calc(100vh - 80px);
            display: flex;
            align-items: center;
            padding: 80px 0 100px;
            background:
                radial-gradient(ellipse at 18% 20%, rgba(46, 107, 255, 0.22), transparent 55%),
                radial-gradient(ellipse at 85% 85%, rgba(255, 61, 129, 0.12), transparent 50%),
                radial-gradient(ellipse at 65% 25%, rgba(0, 211, 255, 0.1), transparent 40%),
                linear-gradient(180deg, rgba(7, 12, 24, 0.85), rgba(7, 12, 24, 0.95)),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 180px;
            background: linear-gradient(to bottom, transparent, var(--bg-primary));
            z-index: 1;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: repeating-linear-gradient(90deg, transparent, transparent 24px, rgba(0, 211, 255, 0.04) 24px, rgba(0, 211, 255, 0.04) 25px);
            pointer-events: none;
            z-index: 0;
        }
        .hero-container {
            position: relative;
            z-index: 2;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 7fr 6fr;
            gap: 48px;
            align-items: center;
        }
        .hero-cover {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            background: #0D1628;
        }
        .hero-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(7, 12, 24, 0.75), transparent 45%);
        }
        .live-badge {
            position: absolute;
            top: 18px;
            left: 18px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: var(--accent-red);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            border-radius: 6px;
            z-index: 2;
            animation: livePulse 2s ease-in-out infinite;
        }
        .live-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #fff;
            animation: dotBlink 1s ease-in-out infinite;
        }
        @keyframes dotBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }
        @keyframes livePulse {
            0%,
            100% {
                box-shadow: 0 0 12px rgba(255, 61, 129, 0.5);
            }
            50% {
                box-shadow: 0 0 28px rgba(255, 61, 129, 0.8);
            }
        }
        .hero-info {
            padding: 20px 0;
        }
        .hero-info h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .hero-info h1 .highlight {
            background: linear-gradient(135deg, #4C8DFF, #00D3FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            margin-bottom: 30px;
            line-height: 1.6;
        }
        .countdown {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .countdown-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 14px 18px;
            text-align: center;
            min-width: 72px;
            backdrop-filter: blur(8px);
        }
        .countdown-item .num {
            font-family: var(--font-num);
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            line-height: 1;
            display: block;
            font-variant-numeric: tabular-nums;
        }
        .countdown-item .label {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 6px;
            display: block;
            letter-spacing: 1.5px;
        }
        .countdown-sep {
            font-size: 24px;
            color: var(--accent-cyan);
            font-weight: 700;
            text-shadow: 0 0 12px rgba(0, 211, 255, 0.7);
            line-height: 1;
            padding-bottom: 18px;
        }
        .highlights {
            margin-bottom: 32px;
            padding-left: 0;
        }
        .highlight-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 10px 0;
            position: relative;
        }
        .highlight-item::before {
            content: '';
            position: absolute;
            left: 7px;
            top: 34px;
            width: 1px;
            height: calc(100% - 24px);
            background: rgba(255, 255, 255, 0.12);
        }
        .highlight-item:last-child::before {
            display: none;
        }
        .highlight-dot {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
            margin-top: 4px;
        }
        .highlight-dot.red {
            background: var(--accent-red);
            box-shadow: 0 0 10px rgba(255, 61, 129, 0.6);
        }
        .highlight-dot.cyan {
            background: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(0, 211, 255, 0.5);
        }
        .highlight-num {
            font-family: var(--font-num);
            font-size: 11px;
            color: var(--text-muted);
            font-variant-numeric: tabular-nums;
        }
        .highlight-text {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.5;
        }
        .remind-form {
            display: flex;
            gap: 10px;
            margin-bottom: 16px;
            align-items: center;
            flex-wrap: wrap;
        }
        .remind-form .form-input-wrap {
            flex: 1;
            min-width: 200px;
        }
        .remind-form input {
            width: 100%;
            height: 48px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            padding: 0 18px;
            color: #fff;
            font-size: 14px;
            transition: all .3s ease;
        }
        .remind-form input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .remind-form input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 4px rgba(0, 211, 255, 0.15);
        }
        .btn-remind {
            height: 48px;
            padding: 0 28px;
            border-radius: 50px;
            background: linear-gradient(135deg, #2E6BFF, #00D3FF);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all .3s ease;
            box-shadow: 0 0 20px rgba(46, 107, 255, 0.35);
            white-space: nowrap;
        }
        .btn-remind:hover {
            box-shadow: 0 0 30px rgba(46, 107, 255, 0.6), 0 0 40px rgba(0, 211, 255, 0.2);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-remind:active {
            transform: scale(0.97);
        }
        .btn-remind.success {
            background: linear-gradient(135deg, var(--success), #1FB88E);
            box-shadow: 0 0 20px rgba(46, 230, 168, 0.4);
        }
        .form-tip {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-watch {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            border-radius: 50px;
            background: linear-gradient(135deg, #FF3D81, #FF6B6B);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(255, 61, 129, 0.35);
            transition: all .3s ease;
        }
        .btn-watch:hover {
            box-shadow: 0 0 30px rgba(255, 61, 129, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 30px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all .3s ease;
        }
        .btn-ghost:hover {
            border-color: var(--brand-blue);
            color: #fff;
            background: rgba(46, 107, 255, 0.1);
        }

        .section-block {
            padding: 90px 0;
        }
        .section-title-wrap {
            margin-bottom: 48px;
            text-align: center;
        }
        .section-title-wrap .eyebrow {
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 4px;
            color: var(--accent-cyan);
            margin-bottom: 8px;
            font-weight: 600;
        }
        .section-title-wrap h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .section-title-wrap .divider {
            display: inline-block;
            width: 60px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--brand-blue), var(--accent-cyan));
        }

        .news-section {
            background: var(--bg-secondary);
            position: relative;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 960px;
            margin: 0 auto;
        }
        .news-card {
            display: flex;
            gap: 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 18px;
            transition: all .3s ease;
            align-items: stretch;
        }
        .news-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .news-thumb {
            width: 200px;
            min-height: 132px;
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.04);
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 4px 0;
        }
        .news-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
            transition: color .3s;
        }
        .news-card:hover .news-body h3 {
            color: var(--accent-cyan);
        }
        .news-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-meta .news-cat {
            display: inline-block;
            padding: 3px 12px;
            background: rgba(46, 107, 255, 0.2);
            color: #fff;
            border-radius: 6px;
            font-size: 11px;
            font-weight: 500;
        }
        .news-meta .news-more {
            margin-left: auto;
            color: var(--accent-cyan);
            font-size: 13px;
            font-weight: 500;
            transition: all .3s;
        }
        .news-card:hover .news-more {
            letter-spacing: 1px;
        }
        .empty-state {
            padding: 60px 30px;
            text-align: center;
            color: var(--text-muted);
            border: 1px dashed rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            max-width: 640px;
            margin: 0 auto;
        }
        .empty-state i {
            font-size: 56px;
            opacity: 0.4;
            margin-bottom: 16px;
            display: block;
        }
        .empty-state p {
            font-size: 14px;
            color: var(--text-muted);
        }

        .business-section {
            background: var(--bg-primary);
        }
        .split-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            padding: 40px 0 80px;
        }
        .split-card.reverse .split-media {
            order: 2;
        }
        .split-media {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
            aspect-ratio: 4 / 3;
            background: #0D1628;
        }
        .split-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .split-content .tag-line {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 3px;
            text-transform: uppercase;
            margin-bottom: 12px;
            display: inline-block;
        }
        .split-content h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            line-height: 1.3;
        }
        .split-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .split-feature-list {
            list-style: none;
            padding: 0;
        }
        .split-feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
            font-size: 15px;
            color: var(--text-primary);
        }
        .split-feature-list li i {
            color: var(--accent-cyan);
            width: 20px;
            text-align: center;
        }

        .stats-section {
            background: var(--bg-secondary);
            padding: 70px 0;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item .stat-num {
            font-family: var(--font-num);
            font-size: 42px;
            font-weight: 700;
            color: var(--accent-cyan);
            line-height: 1.2;
            display: block;
            text-shadow: 0 0 20px rgba(0, 211, 255, 0.3);
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        .brand-section {
            padding: 70px 0;
            background: var(--bg-primary);
        }
        .brand-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            align-items: center;
            max-width: 1100px;
            margin: 0 auto;
        }
        .brand-tag {
            padding: 14px 34px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-light);
            border-radius: 50px;
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            transition: all .3s ease;
            cursor: default;
        }
        .brand-tag:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--accent-cyan);
            border-color: rgba(0, 211, 255, 0.3);
            transform: scale(1.03);
        }

        .faq-section {
            background: var(--bg-secondary);
            position: relative;
        }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-list {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            backdrop-filter: blur(10px);
            overflow: hidden;
        }
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 20px 26px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            background: transparent;
            transition: background .3s;
            text-align: left;
            width: 100%;
        }
        .faq-question:hover,
        .faq-question.open {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-question .faq-plus {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: transform .4s, color .3s, border-color .3s, background .3s;
            font-size: 18px;
            color: var(--text-secondary);
        }
        .faq-question:hover .faq-plus {
            color: var(--accent-cyan);
            border-color: rgba(0, 211, 255, 0.4);
            transform: rotate(90deg);
        }
        .faq-question.open .faq-plus {
            transform: rotate(135deg);
            color: var(--accent-cyan);
            border-color: rgba(0, 211, 255, 0.4);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 26px;
            transition: max-height .4s ease, padding .4s ease;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0 26px 20px;
        }

        .cta-section {
            padding: 70px 0;
            background: var(--bg-primary);
        }
        .cta-banner {
            position: relative;
            border-radius: 24px;
            padding: 70px 60px;
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.25), rgba(0, 211, 255, 0.12) 55%, rgba(255, 61, 129, 0.15));
            border: 1px solid rgba(255, 255, 255, 0.1);
            overflow: hidden;
            text-align: center;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 211, 255, 0.2), transparent 70%);
            pointer-events: none;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 61, 129, 0.18), transparent 70%);
            pointer-events: none;
        }
        .cta-banner h2 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn-watch {
            position: relative;
            z-index: 1;
        }

        .site-footer {
            background: #050810;
            border-top: 1px solid var(--border-light);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .brand-icon {
            width: 30px;
            height: 30px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color .3s, padding-left .3s;
        }
        .footer-col ul li a:hover {
            color: var(--accent-cyan);
            padding-left: 6px;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 14px;
        }
        .footer-contact li i {
            color: var(--accent-cyan);
            width: 18px;
            text-align: center;
            margin-top: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }

        @media (max-width: 1199px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-cover {
                max-width: 680px;
                margin: 0 auto;
                width: 100%;
            }
            .hero-info {
                text-align: center;
            }
            .hero-info .countdown {
                justify-content: center;
            }
            .hero-info .highlights {
                max-width: 520px;
                margin-left: auto;
                margin-right: auto;
                text-align: left;
            }
            .remind-form {
                max-width: 520px;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
        }
        @media (max-width: 991px) {
            body {
                padding-top: 70px;
            }
            .capsule-nav {
                height: 56px;
                top: 12px;
                padding: 0 16px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: 80px;
                left: 50%;
                transform: translateX(-50%) translateY(-10px);
                flex-direction: column;
                align-items: stretch;
                width: 92%;
                max-width: 360px;
                background: rgba(10, 15, 30, 0.95);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border: 1px solid rgba(255, 255, 255, 0.12);
                border-radius: 20px;
                padding: 14px;
                gap: 4px;
                opacity: 0;
                visibility: hidden;
                transition: all .35s ease;
                z-index: 1049;
                pointer-events: none;
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
            }
            .nav-menu.open {
                opacity: 1;
                visibility: visible;
                transform: translateX(-50%) translateY(0);
                pointer-events: auto;
            }
            .nav-menu .nav-link {
                display: block;
                text-align: center;
                padding: 12px 20px;
            }
            .btn-nav-cta {
                display: none;
            }
            .split-card {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .split-card.reverse .split-media {
                order: 0;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 767px) {
            .hero-info h1 {
                font-size: 30px;
            }
            .countdown-item {
                padding: 10px 14px;
                min-width: 56px;
            }
            .countdown-item .num {
                font-size: 26px;
            }
            .section-block {
                padding: 60px 0;
            }
            .section-title-wrap h2 {
                font-size: 26px;
            }
            .news-card {
                flex-direction: column;
                padding: 14px;
            }
            .news-thumb {
                width: 100%;
                height: 180px;
            }
            .cta-banner {
                padding: 50px 24px;
            }
            .cta-banner h2 {
                font-size: 26px;
            }
        }
        @media (max-width: 575px) {
            .container-custom {
                padding: 0 16px;
            }
            .countdown {
                justify-content: center;
                gap: 5px;
            }
            .countdown-item {
                padding: 8px 10px;
                min-width: 48px;
                border-radius: 10px;
            }
            .countdown-item .num {
                font-size: 22px;
            }
            .countdown-item .label {
                font-size: 10px;
            }
            .countdown-sep {
                font-size: 18px;
                padding-bottom: 16px;
            }
            .remind-form {
                flex-direction: column;
                gap: 10px;
            }
            .remind-form .btn-remind {
                width: 100%;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn-watch,
            .hero-actions .btn-ghost {
                width: 100%;
                justify-content: center;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .stat-item .stat-num {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                padding-bottom: 12px;
            }
            .section-title-wrap .eyebrow {
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #070C18;
            --bg-secondary: #0B1220;
            --brand-blue: #2E6BFF;
            --accent-red: #FF3D81;
            --accent-cyan: #00D3FF;
            --success: #2EE6A8;
            --text-main: rgba(255, 255, 255, 0.92);
            --text-secondary: rgba(255, 255, 255, 0.65);
            --text-weak: rgba(255, 255, 255, 0.42);
            --border-color: rgba(255, 255, 255, 0.10);
            --radius-card: 22px;
            --radius-btn: 50px;
            --radius-input: 12px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-glass: 0 8px 40px rgba(46, 107, 255, 0.18);
            --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", 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-main);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s;
        }
        a:hover {
            color: var(--accent-cyan);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, #2E6BFF, #00D3FF);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(46, 107, 255, 0.45);
            transition: all .3s;
        }
        .btn-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(46, 107, 255, 0.6);
            color: #fff;
        }
        .btn-main:active {
            transform: scale(0.97);
        }
        .btn-border {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--text-main);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all .3s;
            white-space: nowrap;
        }
        .btn-border:hover {
            border-color: var(--brand-blue);
            color: var(--accent-cyan);
            transform: translateY(-1px);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 16px;
        }
        .capsule-nav {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            height: 60px;
            padding: 0 24px;
            border-radius: 50px;
            background: rgba(10, 15, 30, 0.7);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-right: 36px;
        }
        .nav-brand:hover {
            color: #fff;
        }
        .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, #2E6BFF, #00D3FF);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #fff;
            box-shadow: 0 0 12px rgba(0, 211, 255, 0.4);
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 24px;
            margin: 0;
            padding: 0;
            flex: 1;
            align-items: center;
        }
        .nav-link {
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 20px;
            border-radius: 50px;
            transition: all .3s;
            position: relative;
        }
        .nav-link:hover {
            color: var(--accent-cyan);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            transition: width .3s;
        }
        .nav-link:hover::after {
            width: 60%;
        }
        .nav-link.active {
            color: #fff;
            background: rgba(46, 107, 255, 0.25);
            box-shadow: inset 0 0 0 1px rgba(46, 107, 255, 0.2);
        }
        .nav-link.active::after {
            display: none;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: 50px;
            background: linear-gradient(135deg, #2E6BFF, #00D3FF);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 0 16px rgba(46, 107, 255, 0.4);
            transition: all .3s;
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 24px rgba(0, 211, 255, 0.55);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all .3s;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Hero ===== */
        .category-hero {
            min-height: 72vh;
            display: flex;
            align-items: center;
            padding: 160px 0 80px;
            background: linear-gradient(135deg, rgba(7, 12, 24, 0.95) 10%, rgba(7, 12, 24, 0.75) 45%, rgba(7, 12, 24, 0.45) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            position: relative;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-primary), transparent);
            pointer-events: none;
        }
        .category-hero-content {
            max-width: 720px;
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 61, 129, 0.15);
            border: 1px solid rgba(255, 61, 129, 0.3);
            color: var(--accent-red);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }
        .category-hero h1 {
            font-size: 46px;
            font-weight: 700;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 16px;
        }
        .category-hero p {
            font-size: 18px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 520px;
        }

        /* ===== 内容区 ===== */
        .section-main {
            padding: 90px 0 70px;
            background: var(--bg-primary);
        }
        .info-block {
            display: flex;
            gap: 28px;
            align-items: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 30px;
            margin-bottom: 24px;
            transition: all .35s;
        }
        .info-block:hover {
            border-color: rgba(0, 211, 255, 0.4);
            box-shadow: var(--shadow-glass);
            transform: translateY(-2px);
        }
        .info-block.reverse {
            flex-direction: row-reverse;
        }
        .info-text {
            flex: 1;
        }
        .info-text h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            padding-left: 14px;
        }
        .info-text h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 2px;
            background: linear-gradient(180deg, var(--brand-blue), var(--accent-cyan));
        }
        .info-text p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .info-points {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .point-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--accent-cyan);
            background: rgba(0, 211, 255, 0.08);
            padding: 6px 14px;
            border-radius: 50px;
            border: 1px solid rgba(0, 211, 255, 0.15);
        }
        .info-image {
            width: 240px;
            flex-shrink: 0;
        }
        .info-image img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* ===== 侧栏卡 ===== */
        .sidebar-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            backdrop-filter: blur(12px);
            position: sticky;
            top: 100px;
        }
        .sidebar-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            text-align: center;
        }
        .service-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .service-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .service-list li:last-child {
            border-bottom: none;
        }
        .service-list li i {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(46, 107, 255, 0.15);
            color: var(--accent-cyan);
            font-size: 15px;
            flex-shrink: 0;
        }
        .service-list .svc-label {
            font-size: 13px;
            color: var(--text-weak);
            flex: 1;
        }
        .service-list .svc-value {
            font-size: 14px;
            color: var(--text-main);
            font-weight: 600;
            text-align: right;
        }

        /* ===== 数据统计 ===== */
        .section-stats {
            padding: 60px 0;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 36px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            transition: all .3s;
        }
        .stat-item:hover {
            border-color: rgba(0, 211, 255, 0.4);
            box-shadow: 0 0 30px rgba(0, 211, 255, 0.1);
        }
        .stat-number {
            font-size: 42px;
            font-weight: 700;
            color: var(--accent-cyan);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        /* ===== 日程表 ===== */
        .section-schedule {
            padding: 90px 0;
            background: var(--bg-primary);
        }
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--text-secondary);
        }
        .schedule-list {
            max-width: 880px;
            margin: 0 auto;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 24px 28px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 18px;
            margin-bottom: 16px;
            border: 1px solid var(--border-color);
            transition: all .3s;
        }
        .schedule-item:hover {
            border-color: rgba(0, 211, 255, 0.4);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
            transform: translateX(4px);
        }
        .schedule-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 84px;
            padding: 12px 16px;
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.15), rgba(0, 211, 255, 0.1));
            border-radius: 14px;
            border: 1px solid rgba(0, 211, 255, 0.2);
        }
        .date-day {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            line-height: 1.1;
        }
        .date-month {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .schedule-info {
            flex: 1;
        }
        .schedule-info h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .schedule-info p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ===== FAQ ===== */
        .section-faq {
            padding: 90px 0;
            background: var(--bg-secondary);
        }
        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }
        .accordion {
            --bs-accordion-bg: transparent;
            --bs-accordion-border-width: 0;
            --bs-accordion-border-radius: var(--radius-card);
        }
        .accordion-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            border-radius: 18px !important;
            margin-bottom: 14px;
            overflow: hidden;
        }
        .accordion-item:last-child {
            margin-bottom: 0;
        }
        .accordion-header {
            border-radius: 0;
        }
        .accordion-button {
            background: transparent;
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            box-shadow: none;
            border-radius: 0;
        }
        .accordion-button:hover {
            color: var(--accent-cyan);
        }
        .accordion-button:not(.collapsed) {
            background: rgba(0, 211, 255, 0.05);
            color: var(--accent-cyan);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
        }
        .accordion-button::after {
            content: '+';
            background-image: none;
            font-size: 22px;
            font-weight: 400;
            color: var(--text-secondary);
            transform: none;
            width: auto;
            height: auto;
            transition: transform .3s;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(135deg);
            color: var(--accent-cyan);
        }
        .accordion-body {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            padding: 0 24px 22px;
        }

        /* ===== 订阅 ===== */
        .section-subscribe {
            padding: 80px 0 0;
            background: var(--bg-primary);
        }
        .subscribe-card {
            text-align: center;
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.08), rgba(0, 211, 255, 0.06));
            border: 1px solid rgba(0, 211, 255, 0.2);
            border-radius: var(--radius-card);
            padding: 52px 48px;
            backdrop-filter: blur(12px);
        }
        .subscribe-card h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .subscribe-card p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 28px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto;
        }
        .subscribe-form input {
            flex: 1;
            height: 50px;
            border-radius: var(--radius-input);
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            padding: 0 18px;
            font-size: 15px;
            transition: all .3s;
        }
        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .subscribe-form input:focus {
            outline: none;
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 4px rgba(0, 211, 255, 0.15);
        }

        /* ===== CTA ===== */
        .section-cta {
            padding: 60px 0 90px;
            background: var(--bg-primary);
        }
        .cta-banner {
            background: linear-gradient(135deg, #0A1630 0%, #102A4C 45%, #0A1630 100%);
            border-radius: 24px;
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(46, 107, 255, 0.2);
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(0, 211, 255, 0.22), transparent 70%);
            top: -80px;
            right: -80px;
            border-radius: 50%;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(255, 61, 129, 0.15), transparent 70%);
            bottom: -60px;
            left: -40px;
            border-radius: 50%;
        }
        .cta-banner h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn-main {
            position: relative;
            z-index: 1;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #050810;
            padding: 70px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-logo:hover {
            color: var(--accent-cyan);
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: all .3s;
        }
        .footer-col ul a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .footer-contact i {
            color: var(--accent-cyan);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 22px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 12px;
            color: var(--text-weak);
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1200px) {
            .category-hero {
                min-height: 60vh;
            }
            .info-block {
                flex-direction: column;
            }
            .info-block.reverse {
                flex-direction: column;
            }
            .info-image {
                width: 100%;
            }
            .info-image img {
                height: 220px;
            }
        }
        @media (max-width: 991px) {
            .capsule-nav {
                height: 60px;
            }
            .nav-menu {
                position: absolute;
                top: 68px;
                left: 16px;
                right: 16px;
                flex-direction: column;
                background: rgba(10, 15, 30, 0.95);
                backdrop-filter: blur(16px);
                border-radius: 20px;
                border: 1px solid rgba(255, 255, 255, 0.1);
                padding: 16px;
                gap: 6px;
                display: none;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-item {
                width: 100%;
                text-align: center;
            }
            .nav-link {
                display: block;
                padding: 10px 20px;
            }
            .btn-nav-cta {
                margin-left: auto;
            }
            .nav-toggle {
                display: flex;
                margin-left: 10px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .schedule-item {
                flex-wrap: wrap;
            }
            .schedule-date {
                min-width: 70px;
            }
            .cta-banner {
                padding: 48px 28px;
            }
        }
        @media (max-width: 576px) {
            .container-custom {
                padding: 0 16px;
            }
            .category-hero {
                min-height: 55vh;
                padding: 120px 0 60px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero p {
                font-size: 15px;
            }
            .section-main,
            .section-schedule,
            .section-faq {
                padding: 60px 0;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form .btn-main {
                width: 100%;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .schedule-item {
                flex-direction: column;
                text-align: center;
                gap: 14px;
            }
            .schedule-date {
                flex-direction: row;
                gap: 8px;
                justify-content: center;
                padding: 10px 20px;
            }
            .schedule-info p {
                font-size: 13px;
            }
            .cta-banner h2 {
                font-size: 24px;
            }
            .cta-banner p {
                font-size: 14px;
            }
            .btn-border {
                width: 100%;
            }
            .info-block {
                padding: 22px;
            }
            .info-text h2 {
                font-size: 20px;
            }
            .info-image img {
                height: 180px;
            }
            .sidebar-card {
                padding: 24px 20px;
                position: static;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #070C18;
            --bg-secondary: #0B1220;
            --bg-card: rgba(255,255,255,0.04);
            --brand-blue: #2E6BFF;
            --accent-red: #FF3D81;
            --accent-cyan: #00D3FF;
            --text-main: rgba(255,255,255,0.92);
            --text-muted: rgba(255,255,255,0.65);
            --text-weak: rgba(255,255,255,0.42);
            --border-soft: rgba(255,255,255,0.08);
            --border-medium: rgba(255,255,255,0.12);
            --radius-card: 20px;
            --radius-input: 12px;
            --radius-pill: 50px;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.3);
            --shadow-hover: 0 8px 40px rgba(46,107,255,0.18);
            --shadow-glow-blue: 0 0 20px rgba(46,107,255,0.45);
            --shadow-glow-cyan: 0 0 20px rgba(0,211,255,0.35);
            --shadow-glow-red: 0 0 20px rgba(255,61,129,0.4);
            --font-main: "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
            --font-num: "DIN Alternate","Barlow Condensed","Arial Narrow",sans-serif;
            --container-wide: 1280px;
            --section-gap: 96px;
            --transition-base: all .28s ease;
        }

        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-main);
            background-color: var(--bg-primary);
            color: var(--text-main);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        img { max-width: 100%; display: block; }
        ul, ol { list-style: none; }
        button, input, select, textarea { font-family: inherit; }

        .container-custom {
            max-width: var(--container-wide);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 576px) {
            .container-custom { padding: 0 16px; }
        }

        /* ============ 悬浮胶囊导航 ============ */
        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            display: flex;
            justify-content: center;
            padding: 0 16px;
            pointer-events: none;
        }
        .capsule-nav {
            pointer-events: auto;
            width: 100%;
            max-width: 1200px;
            height: 60px;
            background: rgba(10,15,30,0.72);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 50px;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 8px 30px rgba(0,0,0,0.35);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: #fff;
            box-shadow: var(--shadow-glow-blue);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 26px;
            margin: 0;
            padding: 0;
        }
        .nav-item .nav-link {
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 20px;
            border-radius: 50px;
            position: relative;
            transition: var(--transition-base);
        }
        .nav-item .nav-link:hover {
            color: var(--accent-cyan);
        }
        .nav-item .nav-link.active {
            color: #fff;
            background: rgba(46,107,255,0.25);
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--brand-blue), var(--accent-cyan));
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 50px;
            transition: var(--transition-base);
            box-shadow: 0 0 14px rgba(46,107,255,0.3);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-glow-blue);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 10px;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition-base);
        }

        @media (max-width: 991px) {
            .nav-menu {
                position: absolute;
                top: 70px;
                left: 16px;
                right: 16px;
                flex-direction: column;
                align-items: flex-start;
                background: rgba(10,15,30,0.92);
                -webkit-backdrop-filter: blur(18px);
                backdrop-filter: blur(18px);
                border: 1px solid var(--border-medium);
                border-radius: 24px;
                padding: 20px;
                gap: 14px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-10px);
                transition: var(--transition-base);
            }
            .nav-menu.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }
            .btn-nav-cta { display: none; }
            .nav-toggle {
                display: flex;
                margin-left: auto;
            }
            .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
            .nav-toggle.active span:nth-child(2) { opacity: 0; }
            .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
            .nav-brand { font-size: 18px; }
        }

        /* ============ 文章 Hero 横幅 ============ */
        .article-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            padding: 130px 0 64px;
            background-image: linear-gradient(90deg, rgba(7,12,24,0.95) 0%, rgba(7,12,24,0.65) 60%, rgba(7,12,24,0.4) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-soft);
            margin-top: 0;
        }
        .article-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, var(--bg-primary) 100%);
            pointer-events: none;
        }
        .article-hero .container-custom {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 20px;
        }
        .breadcrumb-wrap a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .breadcrumb-wrap a:hover { color: var(--accent-cyan); }
        .breadcrumb-wrap .sep {
            color: var(--text-weak);
            margin: 0 4px;
        }
        .breadcrumb-wrap .current {
            color: var(--text-weak);
            max-width: 420px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            display: inline-block;
        }

        .article-heading {
            max-width: 900px;
            padding-bottom: 12px;
        }
        .article-title {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin: 0 0 18px;
            letter-spacing: 0.01em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-meta .badge-cat {
            background: rgba(46,107,255,0.25);
            color: #fff;
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
        }

        /* ============ 正文阅读区 ============ */
        .article-body-section {
            background: var(--bg-primary);
            padding: 64px 0 80px;
            position: relative;
        }
        .article-container {
            max-width: 850px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-main);
        }
        .article-content p {
            margin-bottom: 24px;
            color: rgba(255,255,255,0.88);
        }
        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 40px 0 18px;
            padding-left: 14px;
            border-left: 4px solid var(--brand-blue);
            line-height: 1.4;
            color: #fff;
        }
        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 30px 0 14px;
            padding-left: 12px;
            border-left: 4px solid var(--accent-cyan);
            line-height: 1.4;
            color: #fff;
        }
        .article-content img {
            border-radius: var(--radius-card);
            margin: 28px 0;
            box-shadow: var(--shadow-card);
        }
        .article-content blockquote {
            border-left: 3px solid var(--accent-cyan);
            background: rgba(0,211,255,0.06);
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            color: var(--text-muted);
            margin: 28px 0;
            font-size: 15px;
        }
        .article-content blockquote p { margin-bottom: 0; color: var(--text-muted); }
        .article-content code {
            background: rgba(255,255,255,0.08);
            padding: 3px 8px;
            border-radius: 6px;
            font-size: 14px;
            color: var(--accent-cyan);
        }
        .article-content pre {
            background: rgba(10,15,30,0.9);
            border: 1px solid var(--border-medium);
            border-radius: 12px;
            padding: 20px;
            overflow-x: auto;
            margin: 28px 0;
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-main);
        }
        .article-content pre code { background: none; padding: 0; color: inherit; }
        .article-content ul,
        .article-content ol {
            margin: 20px 0 24px;
            padding-left: 24px;
            color: rgba(255,255,255,0.88);
        }
        .article-content ul li,
        .article-content ol li {
            margin-bottom: 10px;
            padding-left: 4px;
        }
        .article-content a {
            color: var(--accent-cyan);
            border-bottom: 1px solid rgba(0,211,255,0.3);
        }
        .article-content a:hover {
            color: #fff;
            border-color: var(--accent-cyan);
        }

        /* 标签 */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--border-soft);
        }
        .article-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-medium);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .article-tags .tag:hover {
            color: #fff;
            border-color: var(--accent-cyan);
            background: rgba(0,211,255,0.08);
        }

        /* 上一篇 / 下一篇 */
        .article-pager {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 44px;
        }
        .pager-link {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: var(--transition-base);
        }
        .pager-link:hover {
            border-color: var(--accent-cyan);
            background: rgba(46,107,255,0.08);
            transform: translateY(-3px);
        }
        .pager-link.next { align-items: flex-end; text-align: right; }
        .pager-link span {
            font-size: 12px;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }
        .pager-link strong {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
        }
        .pager-link:hover strong { color: var(--accent-cyan); }
        .pager-link i { font-size: 14px; color: var(--accent-cyan); }

        /* ============ 未找到 ============ */
        .not-found-section {
            background: var(--bg-primary);
            padding: 120px 0;
        }
        .not-found-card {
            max-width: 560px;
            margin: 0 auto;
            text-align: center;
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 60px 40px;
        }
        .not-found-card i {
            font-size: 56px;
            color: var(--text-weak);
            margin-bottom: 20px;
        }
        .not-found-card h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .not-found-card p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 28px;
        }
        .not-found-card .btn-glow {
            background: linear-gradient(135deg, var(--brand-blue), var(--accent-cyan));
            border: none;
            color: #fff;
            font-weight: 600;
            padding: 12px 36px;
            border-radius: 50px;
            box-shadow: var(--shadow-glow-blue);
            transition: var(--transition-base);
            display: inline-block;
        }
        .not-found-card .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(46,107,255,0.6);
            color: #fff;
        }

        /* ============ 相关推荐 ============ */
        .related-section {
            background: var(--bg-secondary);
            padding: var(--section-gap) 0;
            position: relative;
            overflow: hidden;
        }
        .related-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -120px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(46,107,255,0.12), transparent 70%);
            pointer-events: none;
        }
        .section-head {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 40px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin: 0;
            letter-spacing: 0.01em;
        }
        .section-head .section-sub {
            font-size: 12px;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 0.18em;
            position: relative;
            padding-left: 18px;
        }
        .section-head .section-sub::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            width: 10px;
            height: 1px;
            background: var(--accent-cyan);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-hover);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card-body {
            padding: 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 10px;
            transition: var(--transition-base);
        }
        .related-card-body h3:hover { color: var(--accent-cyan); }
        .related-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-body .read-more {
            margin-top: auto;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition-base);
        }
        .related-card-body .read-more:hover {
            color: #fff;
            gap: 10px;
        }

        /* ============ 订阅 CTA ============ */
        .subscribe-section {
            background: var(--bg-primary);
            padding: var(--section-gap) 0;
            position: relative;
            overflow: hidden;
        }
        .subscribe-section::before {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0,211,255,0.1), transparent 70%);
            pointer-events: none;
        }
        .cta-banner {
            background: linear-gradient(135deg, #102A5C 0%, #071A3A 40%, #0A2E52 100%);
            border: 1px solid rgba(0,211,255,0.2);
            border-radius: 24px;
            padding: 60px 48px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 36px;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::after {
            content: "";
            position: absolute;
            right: -30px;
            top: -30px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(0,211,255,0.2), transparent 70%);
            pointer-events: none;
        }
        .cta-banner .cta-text {
            flex: 1 1 360px;
            position: relative;
            z-index: 2;
        }
        .cta-banner .cta-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-banner .cta-text p {
            color: var(--text-muted);
            font-size: 15px;
            margin: 0;
        }
        .subscribe-form {
            flex: 1 1 340px;
            display: flex;
            gap: 12px;
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1 1 220px;
            height: 50px;
            border-radius: 12px;
            border: 1px solid var(--border-medium);
            background: rgba(255,255,255,0.07);
            color: #fff;
            padding: 0 16px;
            font-size: 14px;
            transition: var(--transition-base);
            outline: none;
        }
        .subscribe-form input::placeholder {
            color: rgba(255,255,255,0.35);
        }
        .subscribe-form input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 4px rgba(0,211,255,0.15);
        }
        .subscribe-form .btn-subscribe {
            height: 50px;
            background: linear-gradient(135deg, var(--brand-blue), var(--accent-cyan));
            border: none;
            border-radius: 50px;
            padding: 0 30px;
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            box-shadow: var(--shadow-glow-blue);
        }
        .subscribe-form .btn-subscribe:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 30px rgba(46,107,255,0.6);
            color: #fff;
        }
        .subscribe-form .btn-subscribe:active {
            transform: scale(0.97);
        }
        .cta-note {
            display: block;
            width: 100%;
            font-size: 12px;
            color: var(--text-weak);
            margin-top: 8px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #050810;
            border-top: 1px solid var(--border-soft);
            padding: 70px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 21px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-col ul {
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul a {
            color: var(--text-muted);
            font-size: 14px;
            transition: var(--transition-base);
        }
        .footer-col ul a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 14px;
        }
        .footer-contact i {
            color: var(--accent-cyan);
            font-size: 14px;
            width: 20px;
            text-align: center;
        }
        .footer-bottom {
            text-align: center;
            padding: 22px 0;
            font-size: 12px;
            color: var(--text-weak);
        }
        .footer-bottom p {
            margin: 0;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 991px) {
            :root { --section-gap: 72px; }
            .article-hero { min-height: 380px; padding: 110px 0 48px; }
            .article-title { font-size: 32px; }
            .related-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .cta-banner { padding: 44px 32px; }
        }
        @media (max-width: 767px) {
            :root { --section-gap: 60px; }
            .article-hero { min-height: 320px; padding: 100px 0 40px; }
            .article-title { font-size: 28px; line-height: 1.35; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .article-pager { grid-template-columns: 1fr; }
            .article-container { padding: 0 16px; }
            .cta-banner { padding: 36px 24px; flex-direction: column; align-items: flex-start; }
            .subscribe-form { width: 100%; }
            .subscribe-form .btn-subscribe { flex: 1; justify-content: center; }
            .breadcrumb-wrap .current { max-width: 200px; }
            .section-head h2 { font-size: 24px; }
        }
        @media (max-width: 520px) {
            .capsule-nav { height: 56px; padding: 0 14px; }
            .nav-brand { font-size: 16px; }
            .brand-icon { width: 30px; height: 30px; font-size: 13px; }
            .article-title { font-size: 24px; }
            .article-meta { gap: 12px; font-size: 13px; }
            .related-card img { height: 160px; }
            .cta-banner .cta-text h2 { font-size: 22px; }
            .footer-bottom { font-size: 11px; }
        }

/* roulang page: category2 */
:root {
            --bg-dark: #070C18;
            --bg-alt: #0B1220;
            --primary: #2E6BFF;
            --accent-red: #FF3D81;
            --accent-cyan: #00D3FF;
            --text-main: rgba(255, 255, 255, 0.92);
            --text-sub: rgba(255, 255, 255, 0.65);
            --text-muted: rgba(255, 255, 255, 0.42);
            --border-light: rgba(255, 255, 255, 0.10);
            --radius-xl: 24px;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 8px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-glow-primary: 0 0 20px rgba(46, 107, 255, 0.45);
            --shadow-glow-cyan: 0 0 20px rgba(0, 211, 255, 0.35);
            --transition-base: all 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        ul {
            list-style: none;
        }
        button,
        input {
            font-family: inherit;
            border: none;
            background: none;
        }

        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== 悬浮胶囊导航 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1050;
            display: flex;
            justify-content: center;
            pointer-events: none;
        }
        .capsule-nav {
            pointer-events: auto;
            width: 94%;
            max-width: 1200px;
            height: 60px;
            background: rgba(10, 15, 30, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 50px;
            display: flex;
            align-items: center;
            padding: 0 24px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            transition: var(--transition-base);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
            margin-right: 36px;
            white-space: nowrap;
        }
        .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            box-shadow: var(--shadow-glow-primary);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }
        .nav-item {
            display: flex;
        }
        .nav-link {
            color: var(--text-sub);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 20px;
            border-radius: 50px;
            position: relative;
            transition: var(--transition-base);
        }
        .nav-link:hover {
            color: var(--accent-cyan);
        }
        .nav-link::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--accent-cyan);
            box-shadow: 0 0 8px rgba(0, 211, 255, 0.6);
            transition: width 0.3s ease;
        }
        .nav-link:hover::after {
            width: 40%;
        }
        .nav-link.active {
            background: rgba(46, 107, 255, 0.25);
            color: #fff;
        }
        .nav-link.active::after {
            display: none;
        }
        .btn-nav-cta {
            margin-left: 20px;
            background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            box-shadow: var(--shadow-glow-primary);
            transition: var(--transition-base);
        }
        .btn-nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 24px rgba(0, 211, 255, 0.45);
            color: #fff;
        }
        .btn-nav-cta:active {
            transform: scale(0.97);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-light);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            margin-left: 12px;
        }
        .nav-toggle span {
            width: 18px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition-base);
        }

        /* ===== 分类页 Hero ===== */
        .cat-hero {
            position: relative;
            min-height: 74vh;
            display: flex;
            align-items: center;
            padding: 140px 0 90px;
            overflow: hidden;
            background: var(--bg-dark);
        }
        .cat-hero-bg {
            position: absolute;
            inset: 0;
            background-position: center;
            background-size: cover;
            z-index: 0;
        }
        .cat-hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(7, 12, 24, 0.96) 0%, rgba(7, 12, 24, 0.82) 40%, rgba(7, 12, 24, 0.45) 100%);
        }
        .cat-hero-content {
            position: relative;
            z-index: 2;
        }
        .cat-hero-inner {
            max-width: 640px;
        }
        .cat-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, rgba(255, 61, 129, 0.85), rgba(46, 107, 255, 0.85));
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 20px;
            box-shadow: 0 0 18px rgba(255, 61, 129, 0.35);
        }
        .cat-hero h1 {
            font-size: 46px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }
        .cat-hero-sub {
            font-size: 17px;
            color: var(--text-sub);
            line-height: 1.9;
            margin-bottom: 32px;
        }
        .cat-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .btn-main {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 50px;
            box-shadow: var(--shadow-glow-primary);
            transition: var(--transition-base);
        }
        .btn-main:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: 0 0 24px rgba(0, 211, 255, 0.55);
            color: #fff;
        }
        .btn-main:active {
            transform: scale(0.97);
        }
        .btn-glass {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-main);
            font-size: 15px;
            font-weight: 500;
            padding: 14px 32px;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            transition: var(--transition-base);
        }
        .btn-glass:hover {
            border-color: var(--primary);
            color: #fff;
            background: rgba(46, 107, 255, 0.12);
        }

        /* ===== 数据统计横条 ===== */
        .cat-stats {
            background: var(--bg-alt);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            padding: 44px 0;
        }
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            padding: 20px 10px;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
        }
        .stat-item:last-child {
            border-right: none;
        }
        .stat-num {
            font-family: "DIN Alternate", "Barlow Condensed", sans-serif;
            font-size: 42px;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 1px;
            text-shadow: 0 0 20px rgba(0, 211, 255, 0.3);
            display: block;
            line-height: 1.15;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-sub);
            margin-top: 6px;
            display: block;
        }

        /* ===== 板块通用 ===== */
        .cat-features,
        .cat-scenes,
        .cat-flow,
        .cat-faq,
        .cat-cta {
            padding: 90px 0;
            position: relative;
        }
        .cat-scenes {
            background: var(--bg-alt);
        }
        .cat-flow {
            background: var(--bg-dark);
        }
        .cat-faq {
            background: var(--bg-alt);
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }
        .section-eyebrow::before {
            content: "";
            width: 28px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 211, 255, 0.5);
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin: 0;
        }

        /* ===== 卖点错落图文 ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 80px;
        }
        .feature-block:last-child {
            margin-bottom: 0;
        }
        .feature-media {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .feature-media img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .feature-block:hover .feature-media img {
            transform: scale(1.03);
        }
        .feature-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(7, 12, 24, 0.55) 100%);
            pointer-events: none;
        }
        .feature-text h3 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            padding-left: 16px;
        }
        .feature-text h3::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(0, 211, 255, 0.5);
        }
        .feature-text p {
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 20px;
        }
        .feature-text ul li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-main);
            font-size: 14px;
            padding: 6px 0;
        }
        .feature-text ul li i {
            color: var(--accent-cyan);
            font-size: 13px;
        }
        .feature-reverse .feature-media {
            order: 2;
        }

        /* ===== 场景卡片 ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .scene-card {
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: var(--transition-base);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .scene-card:hover {
            border-color: rgba(0, 211, 255, 0.45);
            transform: translateY(-4px);
            box-shadow: 0 8px 40px rgba(46, 107, 255, 0.18);
            background: rgba(46, 107, 255, 0.08);
        }
        .scene-icon {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            box-shadow: var(--shadow-glow-primary);
        }
        .scene-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }
        .scene-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 流程 ===== */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .flow-step {
            position: relative;
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            padding: 36px 24px 28px;
            text-align: center;
            transition: var(--transition-base);
        }
        .flow-step:hover {
            border-color: rgba(0, 211, 255, 0.4);
            transform: translateY(-4px);
        }
        .flow-num {
            font-family: "DIN Alternate", sans-serif;
            font-size: 44px;
            font-weight: 700;
            color: rgba(0, 211, 255, 0.35);
            line-height: 1;
            position: absolute;
            top: 18px;
            right: 22px;
        }
        .flow-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 18px;
            border-radius: 50%;
            background: rgba(46, 107, 255, 0.15);
            border: 1px solid rgba(46, 107, 255, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-cyan);
        }
        .flow-step h3 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-card {
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-card:hover {
            border-color: rgba(0, 211, 255, 0.3);
        }
        .faq-card .card-header {
            background: transparent;
            border: none;
            padding: 0;
        }
        .faq-card .btn-faq {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            cursor: pointer;
        }
        .faq-card .btn-faq i {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-sub);
            transition: all 0.35s ease;
            margin-left: 16px;
        }
        .faq-card .btn-faq:hover i,
        .faq-card .btn-faq:focus i {
            color: var(--accent-cyan);
            border-color: var(--accent-cyan);
            transform: rotate(45deg);
        }
        .faq-card .card-body {
            padding: 0 28px 24px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.85;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 0;
            padding-top: 18px;
        }

        /* ===== CTA 横幅 ===== */
        .cat-cta {
            padding-top: 40px;
            padding-bottom: 90px;
        }
        .cta-banner {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background-size: cover;
            background-position: center;
            padding: 72px 60px;
            text-align: center;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(46, 107, 255, 0.88), rgba(7, 12, 24, 0.85));
        }
        .cta-banner > * {
            position: relative;
            z-index: 2;
        }
        .cta-banner h2 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
        }
        .btn-white {
            background: #fff;
            color: #0B1220;
            box-shadow: 0 0 20px rgba(255, 255, 255, 0.25);
        }
        .btn-white:hover {
            color: #0B1220;
            box-shadow: 0 0 32px rgba(255, 255, 255, 0.4);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #050810;
            padding: 64px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 44px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 330px;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-sub);
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }
        .footer-contact li i {
            color: var(--accent-cyan);
            width: 16px;
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199px) {
            .cat-hero {
                min-height: 60vh;
                padding: 120px 0 60px;
            }
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-block {
                gap: 36px;
            }
            .feature-media img {
                height: 300px;
            }
        }

        @media (max-width: 991px) {
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                background: rgba(10, 15, 30, 0.92);
                backdrop-filter: blur(18px);
                border-radius: 24px;
                border: 1px solid var(--border-light);
                padding: 20px;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 20px;
                border-radius: 14px;
                font-size: 15px;
            }
            .nav-link::after {
                display: none;
            }
            .btn-nav-cta {
                margin-left: 10px;
                padding: 10px 16px;
                font-size: 13px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .feature-block,
            .feature-block.feature-reverse {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feature-block {
                margin-bottom: 56px;
            }
            .feature-reverse .feature-media {
                order: 0;
            }
            .feature-media img {
                height: 260px;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .container-custom {
                padding: 0 20px;
            }
            .capsule-nav {
                padding: 0 18px;
            }
            .btn-nav-cta span {
                display: none;
            }
            .cat-hero {
                min-height: 50vh;
                padding: 110px 0 50px;
            }
            .cat-hero h1 {
                font-size: 32px;
            }
            .cat-hero-sub {
                font-size: 15px;
            }
            .cat-features,
            .cat-scenes,
            .cat-flow,
            .cat-faq,
            .cat-cta {
                padding: 60px 0;
            }
            .cta-banner {
                padding: 48px 24px;
            }
            .cta-banner h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 575px) {
            .nav-brand {
                font-size: 17px;
                margin-right: 10px;
            }
            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
            .btn-nav-cta {
                width: 38px;
                height: 38px;
                padding: 0;
                justify-content: center;
            }
            .btn-nav-cta i {
                margin: 0;
            }
            .stats-num {
                font-size: 32px;
            }
            .stats-row {
                gap: 10px;
            }
            .stat-item {
                padding: 16px 8px;
            }
            .stat-label {
                font-size: 12px;
            }
            .flow-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .scene-card {
                padding: 24px;
                flex-direction: column;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cat-hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .cat-hero-actions .btn-main,
            .cat-hero-actions .btn-glass {
                justify-content: center;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .feature-text h3 {
                font-size: 20px;
            }
        }