/* roulang page: index */
:root {
            --bg-primary: #070D1A;
            --bg-secondary: #0B1322;
            --bg-footer: #050A14;
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.12);
            --accent-primary: #00E5FF;
            --accent-secondary: #FFB84D;
            --text-primary: #EAF2FF;
            --text-secondary: #A7B4CC;
            --text-muted: #64748B;
            --success: #34D399;
            --warning: #FBBF24;
            --error: #F87171;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --radius-badge: 999px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.35);
            --shadow-btn-primary: 0 0 24px rgba(0, 229, 255, 0.35);
            --border-divider: rgba(255, 255, 255, 0.08);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "DIN Alternate", "Bahnschrift", "Roboto Mono", monospace;
            --container-max: 1280px;
            --spacing-section-desktop: 96px;
            --spacing-section-tablet: 64px;
            --spacing-section-mobile: 48px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        img {
            max-width: 100%;
            display: block;
            height: auto;
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
            color: inherit;
        }

        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        ul {
            list-style: none;
        }

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

        .section {
            padding-top: var(--spacing-section-desktop);
            padding-bottom: var(--spacing-section-desktop);
        }

        .section-alt {
            background-color: var(--bg-secondary);
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-sub {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 560px;
        }

        /* ---------- 按钮 ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            font-weight: 600;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .btn:active {
            transform: scale(0.98);
        }

        .btn:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 2px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #00E5FF 0%, #0055FF 100%);
            color: #0B1322;
            box-shadow: var(--shadow-btn-primary);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 32px rgba(0, 229, 255, 0.5);
        }

        .btn-secondary {
            background: rgba(0, 229, 255, 0.08);
            color: var(--accent-primary);
            border: 1px solid rgba(0, 229, 255, 0.5);
        }

        .btn-secondary:hover {
            background: rgba(0, 229, 255, 0.15);
            border-color: var(--accent-primary);
        }

        .btn-sm {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        /* ---------- 徽章 ---------- */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
        }

        .badge-live {
            background: rgba(248, 113, 113, 0.15);
            color: #F87171;
        }

        .badge-live::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #F87171;
            display: inline-block;
            animation: pulse-dot 1.5s infinite;
        }

        .badge-warning {
            background: rgba(255, 184, 77, 0.15);
            color: var(--accent-secondary);
        }

        .badge-tag {
            background: rgba(0, 229, 255, 0.08);
            color: var(--accent-primary);
            border: 1px solid rgba(0, 229, 255, 0.3);
        }

        .badge-end {
            background: rgba(100, 116, 139, 0.2);
            color: var(--text-muted);
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
        }

        /* ---------- Header ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 13, 26, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-divider);
        }

        .header-top {
            height: 64px;
            display: flex;
            align-items: center;
        }

        .header-top .container {
            display: flex;
            align-items: center;
            gap: 24px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, #00E5FF 0%, #0055FF 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: #0B1322;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .header-search {
            flex: 1;
            max-width: 320px;
            margin-left: auto;
            position: relative;
        }

        .header-search input {
            width: 100%;
            height: 40px;
            padding: 0 40px 0 14px;
            border-radius: var(--radius-input);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid transparent;
            color: var(--text-primary);
            font-size: 14px;
            transition: all 0.2s ease;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-search input:focus {
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
            background: rgba(255, 255, 255, 0.09);
        }

        .header-search .search-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            pointer-events: none;
            opacity: 0.5;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-input);
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .header-nav {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            background: rgba(11, 19, 34, 0.8);
        }

        .header-nav .container {
            display: flex;
            align-items: center;
            min-height: 48px;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            padding: 4px 0;
            width: 100%;
        }

        .nav-tabs::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            height: 40px;
            padding: 0 18px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all 0.2s ease;
            position: relative;
        }

        .nav-tab:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-primary);
        }

        .nav-tab.active {
            background: rgba(0, 229, 255, 0.15);
            color: var(--accent-primary);
            font-weight: 600;
        }

        .nav-tab.active::after {
            content: "";
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent-primary);
        }

        /* ---------- Hero ---------- */
        .hero {
            position: relative;
            min-height: 72vh;
            display: flex;
            align-items: center;
            background-image: url("/assets/images/backpic/back-1.webp");
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(7, 13, 26, 0.92) 0%, rgba(7, 13, 26, 0.65) 100%);
            z-index: 1;
        }

        .hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url("data:image/svg+xml,%3Csvg width='36' height='36' viewBox='0 0 36 36' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M36 0H0V36H36V0Z' fill='none' stroke='rgba(255,255,255,0.03)' stroke-width='1'/%3E%3C/svg%3E");
            z-index: 1;
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 48px;
            align-items: center;
            padding-top: 56px;
            padding-bottom: 56px;
        }

        .hero-content {
            padding-right: 16px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 184, 77, 0.12);
            border: 1px solid rgba(255, 184, 77, 0.25);
            color: var(--accent-secondary);
            padding: 6px 14px;
            border-radius: var(--radius-badge);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .hero-badge::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-secondary);
            display: inline-block;
            animation: pulse-dot 1.8s infinite;
        }

        .hero h1 {
            font-size: clamp(36px, 5vw, 48px);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
            color: var(--text-primary);
        }

        .hero h1 .accent {
            color: var(--accent-primary);
        }

        .hero-sub {
            font-size: 17px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.6;
            max-width: 480px;
        }

        .hero-points {
            margin-bottom: 32px;
            display: grid;
            gap: 10px;
        }

        .hero-points li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .hero-points li::before {
            content: "✓";
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(0, 229, 255, 0.15);
            color: var(--accent-primary);
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* ---------- 直播预告卡 ---------- */
        .live-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .live-card__cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-secondary);
        }

        .live-card__cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .live-card:hover .live-card__cover img {
            transform: scale(1.03);
        }

        .live-card__cover .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }

        .live-card__body {
            padding: 20px;
        }

        .countdown-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 12px;
            text-align: center;
            letter-spacing: 0.04em;
        }

        .countdown-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 8px;
            margin-bottom: 18px;
        }

        .countdown-item {
            background: rgba(0, 229, 255, 0.08);
            border: 1px solid rgba(0, 229, 255, 0.15);
            border-radius: 10px;
            padding: 10px 4px;
            text-align: center;
            transition: background 0.2s ease;
        }

        .countdown-item .num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--accent-primary);
            line-height: 1.1;
            display: block;
        }

        .countdown-item .unit {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
            display: block;
        }

        .subscribe-form {
            display: flex;
            gap: 8px;
            margin-top: 4px;
        }

        .subscribe-form input {
            flex: 1;
            height: 42px;
            padding: 0 14px;
            border-radius: var(--radius-input);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid transparent;
            color: var(--text-primary);
            font-size: 14px;
            transition: all 0.2s ease;
            min-width: 0;
        }

        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }

        .subscribe-form input:focus {
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
        }

        .form-feedback {
            font-size: 13px;
            margin-top: 8px;
            min-height: 20px;
        }

        .form-feedback.success {
            color: var(--success);
        }

        .form-feedback.error {
            color: var(--error);
        }

        .live-card__footer {
            display: flex;
            gap: 8px;
            padding: 14px 20px;
            border-top: 1px solid var(--border-divider);
            background: rgba(255, 255, 255, 0.02);
        }

        /* ---------- 最新信息 CMS ---------- */
        .cms-section {
            background: var(--bg-primary);
        }

        .cms-layout {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 24px;
            align-items: start;
        }

        .cms-list {
            display: grid;
            gap: 16px;
        }

        .cms-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.25s ease;
        }

        .cms-item:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: var(--shadow-card-hover);
        }

        .cms-item__link {
            display: flex;
            gap: 16px;
            padding: 14px;
            align-items: center;
        }

        .cms-item__thumb {
            width: 120px;
            height: 80px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-secondary);
        }

        .cms-item__thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .cms-item__body {
            flex: 1;
            min-width: 0;
        }

        .cms-item__tag {
            display: inline-block;
            font-size: 12px;
            color: var(--accent-primary);
            background: rgba(0, 229, 255, 0.08);
            padding: 2px 8px;
            border-radius: 4px;
            margin-bottom: 6px;
        }

        .cms-item__title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 4px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .cms-item__summary {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            margin-bottom: 6px;
        }

        .cms-item__meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .cms-item__read {
            margin-left: auto;
            color: var(--accent-primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.2s ease;
        }

        .cms-item:hover .cms-item__read {
            gap: 8px;
        }

        .cms-empty {
            grid-column: 1 / -1;
            background: var(--glass-bg);
            border: 1px dashed var(--glass-border);
            border-radius: var(--radius-card);
            padding: 48px 24px;
            text-align: center;
            color: var(--text-secondary);
        }

        .cms-empty__icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: rgba(0, 229, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(0, 229, 255, 0.2);
        }

        .cms-empty p {
            font-size: 15px;
            color: var(--text-secondary);
        }

        /* ---------- 平台功能 ---------- */
        .features-list {
            display: grid;
            border-top: 1px solid var(--border-divider);
        }

        .feature-row {
            display: grid;
            grid-template-columns: 100px 1fr 1fr;
            align-items: center;
            gap: 24px;
            padding: 28px 0;
            border-bottom: 1px solid var(--border-divider);
            transition: background 0.2s ease;
        }

        .feature-row:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .feature-num {
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

        .feature-row:hover .feature-num {
            color: var(--accent-primary);
        }

        .feature-title {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color 0.2s ease;
        }

        .feature-row:hover .feature-title {
            color: var(--accent-primary);
        }

        .feature-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ---------- 观看指引 ---------- */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .step-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            position: relative;
            transition: all 0.25s ease;
        }

        .step-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 255, 0.3);
            box-shadow: var(--shadow-card-hover);
        }

        .step-num {
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 800;
            color: rgba(0, 229, 255, 0.12);
            line-height: 1;
            margin-bottom: 16px;
            display: block;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ---------- FAQ ---------- */
        .faq-list {
            max-width: 800px;
            display: grid;
            gap: 12px;
        }

        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color 0.2s ease;
        }

        .faq-item:hover {
            border-color: rgba(0, 229, 255, 0.2);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 0 20px;
            min-height: 56px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: color 0.2s ease;
        }

        .faq-question:hover {
            color: var(--accent-primary);
        }

        .faq-icon {
            width: 20px;
            height: 20px;
            position: relative;
            flex-shrink: 0;
            transition: transform 0.25s ease;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--accent-primary);
            border-radius: 2px;
            transition: all 0.25s ease;
        }

        .faq-icon::before {
            width: 16px;
            height: 2px;
            left: 2px;
            top: 9px;
        }

        .faq-icon::after {
            width: 2px;
            height: 16px;
            left: 9px;
            top: 2px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease;
        }

        .faq-answer_inner {
            padding: 0 20px 18px;
            font-size: 14px;
            line-height: 1.6;
            color: var(--text-secondary);
            border-top: 1px solid var(--border-divider);
            padding-top: 14px;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            position: relative;
            overflow: hidden;
        }

        .cta-banner {
            position: relative;
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.08) 0%, rgba(0, 85, 255, 0.12) 100%);
            border: 1px solid rgba(0, 229, 255, 0.2);
            border-radius: 20px;
            padding: 56px 48px;
            text-align: center;
            overflow: hidden;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(0, 229, 255, 0.08);
            filter: blur(80px);
            top: -80px;
            right: -40px;
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .cta-banner p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 56px;
            padding-bottom: 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 320px;
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-col ul {
            display: grid;
            gap: 8px;
        }

        .footer-col a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color 0.2s ease;
        }

        .footer-col a:hover {
            color: var(--accent-primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom .icp {
            color: var(--text-muted);
        }

        /* ---------- 空态 ---------- */
        .cms-empty {
            background: var(--glass-bg);
            border: 1px dashed rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 56px 24px;
            text-align: center;
        }

        .cms-empty__icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: rgba(0, 229, 255, 0.08);
            border: 1px solid rgba(0, 229, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .cms-empty__icon::before,
        .cms-empty__icon::after {
            content: "";
            position: absolute;
            border-radius: 50%;
            border: 1px solid rgba(0, 229, 255, 0.2);
        }

        .cms-empty__icon::before {
            width: 32px;
            height: 32px;
        }

        .cms-empty__icon::after {
            width: 48px;
            height: 48px;
        }

        .cms-empty h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .cms-empty p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 1199px) {
            .hero .container {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .cms-layout {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section {
                padding-top: var(--spacing-section-mobile);
                padding-bottom: var(--spacing-section-mobile);
            }

            .section-title {
                font-size: 26px;
            }

            .header-top {
                height: 60px;
            }

            .header-top .container {
                gap: 12px;
            }

            .logo-text {
                font-size: 15px;
            }

            .header-search {
                display: none;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .header-actions .btn-primary {
                padding: 0 16px;
                font-size: 14px;
                height: 40px;
            }

            .header-nav {
                display: none;
            }

            .header-nav.mobile-open {
                display: block;
                border-top: 1px solid rgba(255, 255, 255, 0.05);
                padding-top: 8px;
                padding-bottom: 8px;
            }

            .header-nav.mobile-open .nav-tabs {
                flex-wrap: nowrap;
                overflow-x: auto;
            }

            .hero {
                min-height: 60vh;
            }

            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-top: 40px;
                padding-bottom: 40px;
            }

            .hero-content {
                padding-right: 0;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-sub {
                font-size: 15px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .countdown-item .num {
                font-size: 22px;
            }

            .countdown-item {
                padding: 8px 2px;
            }

            .countdown-grid {
                gap: 6px;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form .btn {
                width: 100%;
            }

            .cms-item__link {
                flex-direction: column;
                align-items: flex-start;
            }

            .cms-item__thumb {
                width: 100%;
                height: auto;
                aspect-ratio: 16 / 7;
            }

            .cms-item__read {
                margin-left: 0;
            }

            .feature-row {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 24px 0;
            }

            .feature-num {
                font-size: 14px;
            }

            .feature-title {
                font-size: 18px;
            }

            .feature-desc {
                font-size: 14px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .cta-banner {
                padding: 40px 20px;
            }

            .cta-banner h2 {
                font-size: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (min-width: 768px) and (max-width: 1199px) {
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }

            .steps-grid .step-card:last-child {
                grid-column: 1 / -1;
            }
        }

/* roulang page: article */
:root {
        --bg-primary: #070D1A;
        --bg-secondary: #0B1322;
        --glass-bg: rgba(255, 255, 255, 0.05);
        --glass-border: rgba(255, 255, 255, 0.12);
        --accent-primary: #00E5FF;
        --accent-secondary: #FFB84D;
        --text-primary: #EAF2FF;
        --text-secondary: #A7B4CC;
        --text-muted: #64748B;
        --success: #34D399;
        --warning: #FBBF24;
        --danger: #F87171;
        --radius-card: 14px;
        --radius-btn: 10px;
        --radius-input: 8px;
        --radius-badge: 999px;
        --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.25);
        --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.35);
        --shadow-btn-primary: 0 0 24px rgba(0, 229, 255, 0.35);
        --space-section: 96px;
        --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        --font-mono: "DIN Alternate", "Bahnschrift", "Roboto Mono", monospace;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-cn);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text-primary);
        background-color: var(--bg-primary);
        background-image: radial-gradient(circle at 85% 10%, rgba(0, 229, 255, 0.08) 0, rgba(0, 229, 255, 0) 420px),
            linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
        background-size: auto, 80px 80px, 80px 80px;
        background-attachment: fixed;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }

    a {
        color: var(--accent-primary);
        text-decoration: none;
        transition: color 0.2s ease;
    }

    a:hover {
        color: #66edff;
    }

    a:focus-visible {
        outline: 2px solid var(--accent-primary);
        outline-offset: 2px;
        border-radius: 4px;
    }

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

    button {
        font-family: inherit;
        border: none;
        background: none;
        cursor: pointer;
        transition: all 0.2s ease;
    }

    button:focus-visible {
        outline: 2px solid var(--accent-primary);
        outline-offset: 2px;
    }

    input {
        font-family: inherit;
        border: none;
        background: none;
        outline: none;
    }

    .container {
        max-width: 1280px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    /* ===== Header ===== */
    .site-header {
        background: rgba(7, 13, 26, 0.92);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        position: sticky;
        top: 0;
        z-index: 1000;
    }

    .header-top {
        height: 64px;
        display: flex;
        align-items: center;
    }

    .header-top .container {
        display: flex;
        align-items: center;
        gap: 24px;
        width: 100%;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .logo-icon {
        width: 36px;
        height: 36px;
        background: linear-gradient(135deg, #00E5FF, #0099CC);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: 800;
        color: #070D1A;
        box-shadow: 0 0 16px rgba(0, 229, 255, 0.3);
    }

    .logo-text {
        font-size: 20px;
        font-weight: 700;
        color: var(--text-primary);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .header-search {
        flex: 1;
        max-width: 420px;
        height: 40px;
        display: flex;
        align-items: center;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-input);
        padding: 0 14px;
        gap: 8px;
        transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .header-search:focus-within {
        border-color: var(--accent-primary);
        box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12);
    }

    .header-search input {
        flex: 1;
        color: var(--text-primary);
        font-size: 14px;
        background: transparent;
        height: 100%;
    }

    .header-search input::placeholder {
        color: var(--text-muted);
    }

    .header-search .search-icon {
        display: flex;
        align-items: center;
        flex-shrink: 0;
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 14px;
        margin-left: auto;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 48px;
        padding: 0 24px;
        border-radius: var(--radius-btn);
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s ease;
        text-decoration: none;
        line-height: 1;
    }

    .btn-primary {
        background: linear-gradient(135deg, #00E5FF, #0099CC);
        color: #070D1A;
        box-shadow: var(--shadow-btn-primary);
        border: none;
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 0 32px rgba(0, 229, 255, 0.5);
        color: #070D1A;
    }

    .btn-primary:active {
        transform: scale(0.98);
    }

    .btn-outline {
        background: transparent;
        border: 1px solid var(--accent-primary);
        color: var(--accent-primary);
    }

    .btn-outline:hover {
        background: rgba(0, 229, 255, 0.1);
        color: #66edff;
        transform: translateY(-2px);
    }

    .btn-outline:active {
        transform: scale(0.98);
    }

    .btn-sm {
        height: 36px;
        padding: 0 18px;
        font-size: 14px;
        border-radius: 8px;
    }

    .btn-lg {
        height: 52px;
        padding: 0 36px;
        font-size: 16px;
    }

    .menu-toggle {
        display: none;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .menu-toggle:hover {
        background: rgba(255, 255, 255, 0.12);
    }

    .header-nav {
        border-top: 1px solid rgba(255, 255, 255, 0.04);
        background: rgba(11, 19, 34, 0.5);
    }

    .nav-tabs {
        display: flex;
        align-items: center;
        gap: 4px;
        padding: 4px 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .nav-tabs::-webkit-scrollbar {
        display: none;
    }

    .nav-tab {
        display: inline-flex;
        align-items: center;
        height: 40px;
        padding: 0 20px;
        border-radius: var(--radius-badge);
        font-size: 14px;
        font-weight: 500;
        color: var(--text-secondary);
        white-space: nowrap;
        transition: background 0.2s ease, color 0.2s ease;
        text-decoration: none;
        border: 1px solid transparent;
    }

    .nav-tab:hover {
        background: rgba(255, 255, 255, 0.08);
        color: var(--text-primary);
    }

    .nav-tab.active {
        background: rgba(0, 229, 255, 0.15);
        color: var(--accent-primary);
        border-color: rgba(0, 229, 255, 0.2);
        font-weight: 600;
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb {
        padding: 24px 0 0;
        font-size: 14px;
        color: var(--text-muted);
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
    }

    .breadcrumb a {
        color: var(--text-secondary);
        text-decoration: none;
        transition: color 0.2s ease;
    }

    .breadcrumb a:hover {
        color: var(--accent-primary);
    }

    .breadcrumb .sep {
        color: var(--text-muted);
        opacity: 0.6;
    }

    .breadcrumb .current {
        color: var(--text-secondary);
        max-width: 320px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /* ===== Article Section ===== */
    .article-section {
        padding: 48px 0 var(--space-section);
    }

    .article-header {
        max-width: 860px;
        margin: 0 auto 48px;
        text-align: center;
    }

    .article-header .article-category-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        height: 28px;
        padding: 0 16px;
        border-radius: var(--radius-badge);
        font-size: 13px;
        font-weight: 500;
        color: var(--accent-primary);
        background: rgba(0, 229, 255, 0.1);
        border: 1px solid rgba(0, 229, 255, 0.2);
        margin-bottom: 24px;
    }

    .article-header h1 {
        font-size: clamp(28px, 4vw, 40px);
        line-height: 1.3;
        font-weight: 700;
        color: var(--text-primary);
        letter-spacing: -0.5px;
        margin-bottom: 20px;
    }

    .article-meta {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 24px;
        flex-wrap: wrap;
        font-size: 14px;
        color: var(--text-muted);
    }

    .article-meta .meta-item {
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .article-meta .meta-dot {
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: var(--text-muted);
        opacity: 0.5;
    }

    .article-meta a {
        color: var(--text-secondary);
        text-decoration: none;
        transition: color 0.2s ease;
    }

    .article-meta a:hover {
        color: var(--accent-primary);
    }

    .article-content-wrap {
        max-width: 860px;
        margin: 0 auto;
    }

    .article-body {
        max-width: 760px;
        margin: 0 auto;
        font-size: 16px;
        line-height: 1.85;
        color: var(--text-secondary);
    }

    .article-body h2 {
        font-size: 26px;
        font-weight: 700;
        color: var(--text-primary);
        line-height: 1.35;
        margin: 40px 0 20px;
        padding-top: 8px;
    }

    .article-body h3 {
        font-size: 20px;
        font-weight: 600;
        color: var(--text-primary);
        line-height: 1.4;
        margin: 32px 0 16px;
    }

    .article-body p {
        margin-bottom: 24px;
    }

    .article-body a {
        color: var(--accent-primary);
        text-decoration: underline;
        text-underline-offset: 4px;
        text-decoration-color: rgba(0, 229, 255, 0.4);
        transition: text-decoration-color 0.2s ease;
    }

    .article-body a:hover {
        text-decoration-color: var(--accent-primary);
    }

    .article-body img {
        margin: 32px 0;
        border-radius: 12px;
        box-shadow: var(--shadow-card);
    }

    .article-body blockquote {
        border-left: 3px solid var(--accent-primary);
        background: rgba(0, 229, 255, 0.06);
        padding: 20px 24px;
        margin: 28px 0;
        border-radius: 0 10px 10px 0;
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.7;
    }

    .article-body blockquote p:last-child {
        margin-bottom: 0;
    }

    .article-body ul,
    .article-body ol {
        margin: 0 0 24px;
        padding-left: 24px;
    }

    .article-body li {
        margin-bottom: 10px;
    }

    .article-body ul li::marker {
        color: var(--accent-primary);
    }

    .article-body ol li::marker {
        color: var(--accent-primary);
        font-weight: 600;
    }

    .article-body figure {
        margin: 32px 0;
    }

    .article-body figcaption {
        font-size: 14px;
        color: var(--text-muted);
        text-align: center;
        margin-top: 10px;
    }

    .article-body code {
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.1);
        padding: 2px 8px;
        border-radius: 6px;
        font-size: 14px;
        color: var(--accent-primary);
    }

    .article-body pre {
        background: rgba(11, 19, 34, 0.9);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 10px;
        padding: 24px;
        overflow-x: auto;
        margin: 28px 0;
        font-size: 14px;
        line-height: 1.6;
    }

    .article-body pre code {
        background: none;
        border: none;
        padding: 0;
        color: var(--text-primary);
    }

    /* ===== Tags ===== */
    .article-tags {
        max-width: 760px;
        margin: 48px auto 0;
        padding-top: 32px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
    }

    .article-tags .tag-label {
        font-size: 14px;
        color: var(--text-muted);
    }

    .tag {
        display: inline-flex;
        align-items: center;
        height: 30px;
        padding: 0 14px;
        border-radius: var(--radius-badge);
        font-size: 13px;
        color: var(--text-secondary);
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        transition: all 0.2s ease;
        text-decoration: none;
    }

    .tag:hover {
        color: var(--accent-primary);
        border-color: rgba(0, 229, 255, 0.3);
        background: rgba(0, 229, 255, 0.08);
    }

    /* ===== Related Posts ===== */
    .related-section {
        padding: 0 0 var(--space-section);
        position: relative;
    }

    .related-section .container {
        max-width: 1080px;
    }

    .related-header {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        margin-bottom: 32px;
        gap: 16px;
    }

    .related-header h2 {
        font-size: 28px;
        font-weight: 700;
        color: var(--text-primary);
        line-height: 1.3;
    }

    .related-header .related-desc {
        font-size: 14px;
        color: var(--text-muted);
    }

    .related-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .related-card {
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-card);
        padding: 18px;
        transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        text-decoration: none;
        display: block;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

    .related-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-card-hover);
        border-color: rgba(0, 229, 255, 0.35);
    }

    .related-card .card-thumb {
        border-radius: 10px;
        overflow: hidden;
        background: var(--bg-secondary);
        margin-bottom: 14px;
    }

    .related-card .card-thumb img {
        width: 100%;
        aspect-ratio: 16 / 10;
        object-fit: cover;
        transition: transform 0.35s ease;
        border-radius: 10px;
    }

    .related-card:hover .card-thumb img {
        transform: scale(1.04);
    }

    .related-card .card-tag {
        display: inline-flex;
        align-items: center;
        height: 22px;
        padding: 0 10px;
        font-size: 12px;
        border-radius: var(--radius-badge);
        color: var(--accent-primary);
        background: rgba(0, 229, 255, 0.08);
        border: 1px solid rgba(0, 229, 255, 0.15);
        margin-bottom: 10px;
    }

    .related-card h3 {
        font-size: 17px;
        font-weight: 600;
        color: var(--text-primary);
        line-height: 1.5;
        margin-bottom: 8px;
        transition: color 0.2s ease;
    }

    .related-card:hover h3 {
        color: var(--accent-primary);
    }

    .related-card .card-summary {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.6;
        margin-bottom: 12px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .related-card .card-meta {
        font-size: 12px;
        color: var(--text-muted);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    /* ===== CTA Banner ===== */
    .cta-section {
        padding-bottom: var(--space-section);
    }

    .cta-banner {
        background: linear-gradient(135deg, rgba(0, 229, 255, 0.12) 0%, rgba(0, 153, 204, 0.06) 50%, transparent 100%),
            var(--bg-secondary);
        border-radius: 20px;
        border: 1px solid rgba(0, 229, 255, 0.15);
        padding: 56px 64px;
        position: relative;
        overflow: hidden;
        text-align: center;
    }

    .cta-banner::before {
        content: "";
        position: absolute;
        top: -40px;
        right: -40px;
        width: 260px;
        height: 260px;
        background: radial-gradient(circle, rgba(0, 229, 255, 0.18) 0%, transparent 70%);
        pointer-events: none;
    }

    .cta-banner h2 {
        font-size: 30px;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 14px;
        position: relative;
        z-index: 1;
    }

    .cta-banner p {
        font-size: 16px;
        color: var(--text-secondary);
        max-width: 560px;
        margin: 0 auto 30px;
        line-height: 1.6;
        position: relative;
        z-index: 1;
    }

    .cta-banner .btn {
        position: relative;
        z-index: 1;
    }

    .cta-banner .btn-outline {
        margin-left: 12px;
    }

    /* ===== Article Empty ===== */
    .article-empty {
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-card);
        padding: 64px 40px;
        text-align: center;
        max-width: 640px;
        margin: 60px auto 0;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

    .article-empty .empty-icon {
        width: 72px;
        height: 72px;
        margin: 0 auto 24px;
        border-radius: 50%;
        background: rgba(0, 229, 255, 0.08);
        border: 1px solid rgba(0, 229, 255, 0.2);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .article-empty h2 {
        font-size: 22px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 12px;
    }

    .article-empty p {
        font-size: 15px;
        color: var(--text-muted);
        margin-bottom: 28px;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: #050A14;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding-top: 64px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 48px;
        padding-bottom: 48px;
    }

    .footer-brand .logo {
        margin-bottom: 16px;
    }

    .footer-brand p {
        font-size: 14px;
        color: var(--text-muted);
        max-width: 320px;
        line-height: 1.7;
    }

    .footer-col h4 {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 16px;
    }

    .footer-col ul {
        list-style: none;
    }

    .footer-col li {
        margin-bottom: 10px;
    }

    .footer-col a {
        font-size: 14px;
        color: var(--text-secondary);
        text-decoration: none;
        transition: color 0.2s ease;
    }

    .footer-col a:hover {
        color: var(--accent-primary);
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding: 24px 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
        font-size: 13px;
        color: var(--text-muted);
    }

    .footer-bottom .icp {
        color: var(--text-muted);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1199px) {
        .header-search {
            max-width: 320px;
        }
    }

    @media (max-width: 1024px) {
        .header-top .container {
            gap: 14px;
        }

        .header-search {
            max-width: 220px;
        }

        .related-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .footer-grid {
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
        }
    }

    @media (max-width: 768px) {
        :root {
            --space-section: 64px;
        }

        .container {
            padding-left: 16px;
            padding-right: 16px;
        }

        .header-top {
            height: 56px;
        }

        .logo-text {
            font-size: 17px;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 15px;
        }

        .header-search {
            display: none;
        }

        .header-actions .btn-sm {
            display: none;
        }

        .menu-toggle {
            display: inline-flex;
        }

        .header-nav {
            display: none;
        }

        .header-nav.open {
            display: block;
        }

        .nav-tabs {
            padding: 8px 0;
        }

        .nav-tab {
            height: 36px;
            padding: 0 16px;
            font-size: 13px;
        }

        .breadcrumb {
            padding-top: 16px;
            font-size: 13px;
            gap: 6px;
        }

        .breadcrumb .current {
            max-width: 180px;
        }

        .article-section {
            padding: 32px 0 var(--space-section);
        }

        .article-header {
            margin-bottom: 32px;
        }

        .article-header h1 {
            font-size: 24px;
            line-height: 1.35;
        }

        .article-meta {
            gap: 12px;
            font-size: 13px;
        }

        .article-body {
            font-size: 15px;
            line-height: 1.8;
        }

        .article-body h2 {
            font-size: 22px;
            margin-top: 28px;
        }

        .article-tags {
            gap: 8px;
            margin-top: 32px;
        }

        .related-grid {
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .related-section .related-header {
            flex-direction: column;
            align-items: flex-start;
            margin-bottom: 20px;
        }

        .related-header h2 {
            font-size: 22px;
        }

        .related-card {
            padding: 16px;
        }

        .cta-banner {
            padding: 40px 20px;
        }

        .cta-banner h2 {
            font-size: 24px;
        }

        .cta-banner p {
            font-size: 15px;
        }

        .cta-banner .btn-outline {
            margin-left: 0;
            margin-top: 12px;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }

        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }

        .footer-bottom .icp {
            margin-top: 4px;
        }
    }

    @media (max-width: 520px) {
        .logo-text {
            font-size: 15px;
        }

        .article-header h1 {
            font-size: 21px;
        }

        .article-meta {
            flex-wrap: wrap;
        }

        .article-meta .meta-dot {
            display: none;
        }

        .article-body {
            font-size: 14px;
        }

        .related-grid {
            grid-template-columns: 1fr;
        }

        .cta-banner {
            padding: 32px 16px;
            border-radius: 16px;
        }
    }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --bg-deep: #070D1A;
            --bg-secondary: #0B1322;
            --cyan: #00E5FF;
            --amber: #FFB84D;
            --text-main: #EAF2FF;
            --text-secondary: #A7B4CC;
            --text-weak: #64748B;
            --success: #34D399;
            --warning: #FBBF24;
            --error: #F87171;
            --border: rgba(255, 255, 255, 0.08);
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.12);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.35);
            --shadow-btn: 0 0 24px rgba(0, 229, 255, 0.35);
            --container: 1280px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "DIN Alternate", "Bahnschrift", "Roboto Mono", monospace;
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-deep);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--cyan);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: #73F0FF;
        }

        img {
            max-width: 100%;
            display: block;
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        input,
        textarea {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            line-height: 1;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, #00E5FF 0%, #2563EB 100%);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(0, 229, 255, 0.5);
            color: #fff;
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(0, 229, 255, 0.6);
            color: var(--cyan);
        }

        .btn-outline:hover {
            background: rgba(0, 229, 255, 0.08);
            border-color: var(--cyan);
            color: var(--cyan);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn-sm {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        .btn:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 2px;
        }

        /* ===== Header ===== */
        .site-header {
            position: relative;
            z-index: 100;
            background: rgba(7, 13, 26, 0.96);
            border-bottom: 1px solid var(--border);
            backdrop-filter: blur(14px);
        }

        .header-top {
            height: 64px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #00E5FF, #2563EB);
            border-radius: 10px;
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.3);
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.02em;
        }

        .header-search {
            position: relative;
            width: 240px;
            flex-shrink: 0;
        }

        .header-search input {
            width: 100%;
            height: 40px;
            padding: 0 40px 0 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-input);
            font-size: 14px;
            color: var(--text-main);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .header-search input::placeholder {
            color: var(--text-weak);
        }

        .header-search input:focus {
            outline: none;
            border-color: var(--cyan);
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.2);
        }

        .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            pointer-events: none;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .header-nav {
            height: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .header-nav .container {
            height: 100%;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .header-nav .container::-webkit-scrollbar {
            display: none;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 100%;
            min-width: max-content;
        }

        .nav-tab {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 10px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-tab:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-main);
        }

        .nav-tab.active {
            background: rgba(0, 229, 255, 0.15);
            color: var(--cyan);
            font-weight: 600;
        }

        .nav-tab.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: -4px;
            height: 2px;
            background: var(--cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
        }

        /* ===== Category Hero ===== */
        .hero-category {
            position: relative;
            min-height: 34vh;
            display: flex;
            align-items: flex-end;
            padding: 64px 0 48px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .hero-category::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(7, 13, 26, 0.92) 0%, rgba(7, 13, 26, 0.75) 60%, rgba(7, 13, 26, 0.6) 100%);
            z-index: 1;
        }

        .hero-category::after {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 44px 44px;
            z-index: 1;
        }

        .hero-category .container {
            position: relative;
            z-index: 2;
        }

        .hero-category .breadcrumb {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .hero-category .breadcrumb a {
            color: var(--text-secondary);
        }

        .hero-category .breadcrumb a:hover {
            color: var(--cyan);
        }

        .hero-category .breadcrumb .sep {
            color: var(--text-weak);
        }

        .hero-category .breadcrumb .current {
            color: var(--cyan);
        }

        .hero-category .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            background: rgba(255, 184, 77, 0.15);
            border: 1px solid rgba(255, 184, 77, 0.4);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            color: var(--amber);
            margin-bottom: 16px;
        }

        .hero-category h1 {
            font-size: clamp(30px, 4vw, 42px);
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .hero-category .subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.6;
        }

        /* ===== Intro Section ===== */
        .section {
            padding: 96px 0;
        }

        .section-alt {
            background-color: var(--bg-secondary);
        }

        .section-head {
            margin-bottom: 48px;
        }

        .section-head .section-tag {
            display: inline-block;
            padding: 4px 14px;
            border: 1px solid rgba(0, 229, 255, 0.4);
            border-radius: 999px;
            font-size: 12px;
            color: var(--cyan);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .section-head h2 {
            font-size: clamp(24px, 3vw, 32px);
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--text-main);
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.6;
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 56px;
            align-items: center;
        }

        .intro-image {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card);
        }

        .intro-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(7, 13, 26, 0.5) 100%);
            border-radius: var(--radius-card);
        }

        .intro-image .image-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(7, 13, 26, 0.8);
            border: 1px solid rgba(0, 229, 255, 0.4);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 12px;
            color: var(--cyan);
            backdrop-filter: blur(8px);
        }

        .intro-content .lead {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 16px;
            line-height: 1.5;
        }

        .intro-content .desc {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .step-list {
            margin-bottom: 32px;
        }

        .step-list li {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .step-list li:last-child {
            border-bottom: none;
        }

        .step-num {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--cyan);
            min-width: 36px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 229, 255, 0.08);
            border-radius: 6px;
            border: 1px solid rgba(0, 229, 255, 0.2);
            margin-top: 4px;
        }

        .step-text .step-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 2px;
        }

        .step-text .step-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== Entry Cards ===== */
        .entry-cards-section {
            padding: 96px 0 48px;
            overflow: hidden;
        }

        .entry-cards-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            max-width: 960px;
            margin: 0 auto;
        }

        .entry-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 32px 32px 36px;
            backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            position: relative;
        }

        .entry-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 229, 255, 0.45);
            box-shadow: var(--shadow-card-hover);
        }

        .entry-card.lift-up {
            transform: translateY(-20px);
        }

        .entry-card.lift-up:hover {
            transform: translateY(-26px);
        }

        .entry-card .card-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            margin-bottom: 18px;
            font-size: 20px;
            font-weight: 700;
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.25);
            color: var(--cyan);
        }

        .entry-card .card-icon.amber {
            background: rgba(255, 184, 77, 0.12);
            border-color: rgba(255, 184, 77, 0.3);
            color: var(--amber);
        }

        .entry-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .entry-card p {
            font-size: 14px;
            line-height: 1.65;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .entry-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--cyan);
        }

        .entry-card .card-link svg {
            transition: transform var(--transition);
        }

        .entry-card .card-link:hover svg {
            transform: translateX(4px);
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            padding: 96px 0;
            position: relative;
        }

        .cta-inner {
            position: relative;
            max-width: 960px;
            margin: 0 auto;
            padding: 56px 48px;
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.1) 0%, rgba(37, 99, 235, 0.12) 100%);
            border: 1px solid rgba(0, 229, 255, 0.3);
            border-radius: 24px;
            overflow: hidden;
            text-align: center;
            box-shadow: 0 0 60px rgba(0, 229, 255, 0.08);
        }

        .cta-inner::before {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(0, 229, 255, 0.15);
            filter: blur(80px);
            bottom: -80px;
            right: -60px;
            pointer-events: none;
        }

        .cta-inner h2 {
            font-size: clamp(22px, 3vw, 30px);
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cta-inner p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }

        .cta-inner .btn {
            position: relative;
            z-index: 2;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #050A14;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-weak);
            max-width: 380px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--cyan);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0 28px;
            font-size: 13px;
            color: var(--text-weak);
        }

        .icp {
            color: var(--text-weak);
            font-style: none;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .intro-grid {
                gap: 40px;
            }
        }

        @media (max-width: 991px) {
            .section {
                padding: 72px 0;
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .intro-image {
                max-width: 560px;
            }

            .header-search {
                width: 180px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section {
                padding: 56px 0;
            }

            .header-top .container {
                gap: 10px;
            }

            .logo-text {
                font-size: 15px;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 16px;
            }

            .header-search {
                display: none;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .header-nav {
                display: none;
                height: auto;
                max-height: 320px;
                overflow-y: auto;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                background: rgba(11, 19, 34, 0.98);
                backdrop-filter: blur(14px);
            }

            .header-nav.open {
                display: block;
            }

            .header-nav .container {
                padding: 12px 16px;
                overflow-x: auto;
                scrollbar-width: thin;
            }

            .nav-tabs {
                gap: 8px;
                min-width: max-content;
                padding-bottom: 4px;
            }

            .hero-category {
                min-height: 44vh;
                padding: 48px 0 36px;
            }

            .hero-category h1 {
                font-size: 28px;
            }

            .hero-category .subtitle {
                font-size: 14px;
            }

            .entry-cards-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .entry-card.lift-up {
                transform: none;
            }

            .entry-card.lift-up:hover {
                transform: translateY(-6px);
            }

            .cta-banner {
                padding: 56px 0;
            }

            .cta-inner {
                padding: 40px 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }

            .btn {
                height: 44px;
                padding: 0 20px;
            }
        }

        @media (max-width: 480px) {
            .logo-text {
                font-size: 14px;
                max-width: 160px;
                line-height: 1.2;
            }

            .btn-sm {
                height: 36px;
                padding: 0 14px;
                font-size: 13px;
            }

            .hero-category {
                min-height: 50vh;
            }

            .intro-content .lead {
                font-size: 16px;
            }

            .step-list li {
                gap: 12px;
            }

            .step-num {
                min-width: 30px;
                font-size: 13px;
            }

            .entry-card {
                padding: 24px 20px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #070D1A;
            --bg-secondary: #0B1322;
            --bg-glass: rgba(255, 255, 255, 0.05);
            --bg-glass-border: rgba(255, 255, 255, 0.12);
            --accent: #00E5FF;
            --accent-amber: #FFB84D;
            --text-primary: #EAF2FF;
            --text-secondary: #A7B4CC;
            --text-muted: #64748B;
            --success: #34D399;
            --warning: #FBBF24;
            --error: #F87171;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(0, 229, 255, 0.35);
            --container-width: 1280px;
            --space-section: 96px;
            --space-section-tablet: 64px;
            --space-section-mobile: 48px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "DIN Alternate", "Bahnschrift", "Roboto Mono", monospace;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body { font-family: var(--font-sans); background: var(--bg-primary); color: var(--text-primary); line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased; }
        a { color: inherit; text-decoration: none; }
        img { max-width: 100%; display: block; }
        button, input { font-family: inherit; border: none; outline: none; }
        ul, ol { list-style: none; }

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

        /* ===== 按钮 ===== */
        .btn { display: inline-flex; align-items: center; justify-content: center; height: 48px; padding: 0 26px; border-radius: var(--radius-btn); font-size: 15px; font-weight: 600; cursor: pointer; transition: all .25s ease; text-align: center; white-space: nowrap; }
        .btn-primary { background: linear-gradient(135deg, #00E5FF, #2563EB); color: #fff; box-shadow: var(--shadow-glow); }
        .btn-primary:hover { box-shadow: 0 0 30px rgba(0, 229, 255, 0.5); transform: translateY(-1px); }
        .btn-primary:active { transform: scale(0.98); }
        .btn-primary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
        .btn-outline { background: transparent; border: 1px solid var(--accent); color: var(--accent); }
        .btn-outline:hover { background: rgba(0, 229, 255, 0.08); box-shadow: 0 0 16px rgba(0, 229, 255, 0.15); transform: translateY(-1px); }
        .btn-outline:active { transform: scale(0.98); }
        .btn-outline:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
        .btn-sm { height: 40px; padding: 0 18px; font-size: 14px; border-radius: 8px; }

        /* ===== Header ===== */
        .site-header { position: sticky; top: 0; z-index: 100; background: rgba(7, 13, 26, 0.88); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
        .header-top { height: 64px; }
        .header-top .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 100%; }
        .logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: 0.3px; color: var(--text-primary); }
        .logo-icon { width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #00E5FF, #1D4ED8); color: #fff; border-radius: 9px; font-size: 16px; font-weight: 900; box-shadow: 0 0 18px rgba(0, 229, 255, 0.25); flex-shrink: 0; }
        .logo-text { font-size: 17px; }
        .header-search { position: relative; width: 240px; }
        .header-search input { width: 100%; height: 40px; background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.10); border-radius: 8px; padding: 0 38px 0 14px; color: var(--text-primary); font-size: 14px; transition: border-color .2s, box-shadow .2s; }
        .header-search input::placeholder { color: var(--text-muted); }
        .header-search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15); }
        .search-icon { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); display: flex; pointer-events: none; }
        .header-actions { display: flex; align-items: center; gap: 12px; }
        .menu-toggle { display: none; background: none; border: none; color: var(--text-primary); cursor: pointer; padding: 6px; border-radius: 6px; transition: background .2s; }
        .menu-toggle:hover { background: rgba(255, 255, 255, 0.08); }
        .header-nav { border-top: 1px solid rgba(255, 255, 255, 0.05); }
        .nav-tabs { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; padding: 5px 0; }
        .nav-tabs::-webkit-scrollbar { display: none; }
        .nav-tab { display: inline-flex; align-items: center; height: 40px; padding: 0 22px; border-radius: 999px; background: transparent; color: var(--text-secondary); font-size: 14px; font-weight: 500; white-space: nowrap; position: relative; transition: background .2s, color .2s; }
        .nav-tab:hover { background: rgba(255, 255, 255, 0.08); color: var(--text-primary); }
        .nav-tab.active { background: rgba(0, 229, 255, 0.13); color: var(--accent); }
        .nav-tab.active::after { content: ""; position: absolute; left: 22px; right: 22px; bottom: 3px; height: 2px; background: var(--accent); border-radius: 2px; box-shadow: 0 0 8px rgba(0, 229, 255, 0.5); }
        .nav-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: 999px; }

        /* ===== Hero ===== */
        .cat-hero { position: relative; min-height: 34vh; display: flex; align-items: center; padding: 64px 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; overflow: hidden; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
        .cat-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(7, 13, 26, 0.92) 35%, rgba(7, 13, 26, 0.55) 100%); }
        .cat-hero::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px); background-size: 40px 40px; pointer-events: none; }
        .cat-hero-content { position: relative; z-index: 2; max-width: 720px; }
        .eyebrow-badge { display: inline-flex; align-items: center; gap: 8px; padding: 5px 14px; background: rgba(255, 184, 77, 0.12); border: 1px solid rgba(255, 184, 77, 0.35); color: var(--accent-amber); border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: 0.8px; }
        .cat-hero h1 { font-size: clamp(36px, 5vw, 46px); line-height: 1.25; margin: 18px 0 14px; color: var(--text-primary); letter-spacing: 1px; }
        .cat-hero p { font-size: 17px; color: var(--text-secondary); line-height: 1.75; max-width: 620px; }
        .cat-hero-actions { display: flex; gap: 16px; margin-top: 30px; flex-wrap: wrap; }

        /* ===== Section ===== */
        .section { padding: var(--space-section) 0; }
        .section-alt { background: var(--bg-secondary); border-top: 1px solid rgba(255, 255, 255, 0.04); border-bottom: 1px solid rgba(255, 255, 255, 0.04); }
        .section-head { max-width: 640px; margin-bottom: 52px; }
        .section-tag { display: inline-block; padding: 4px 14px; background: rgba(0, 229, 255, 0.08); border: 1px solid rgba(0, 229, 255, 0.25); color: var(--accent); border-radius: 999px; font-size: 12px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 14px; }
        .section-head h2 { font-size: clamp(28px, 3vw, 34px); line-height: 1.3; margin-bottom: 12px; color: var(--text-primary); }
        .section-head p { color: var(--text-secondary); font-size: 15px; line-height: 1.6; }

        /* ===== 时间线 ===== */
        .timeline-section { background: var(--bg-primary); }
        .timeline { position: relative; max-width: 800px; margin: 0 auto; }
        .timeline::before { content: ""; position: absolute; top: 10px; bottom: 10px; left: 23px; width: 1px; background: linear-gradient(to bottom, rgba(0, 229, 255, 0.5), rgba(0, 229, 255, 0.06)); }
        .timeline-item { position: relative; padding: 0 0 36px 64px; }
        .timeline-item:last-child { padding-bottom: 0; }
        .timeline-dot { position: absolute; left: 23px; top: 30px; transform: translateX(-50%); width: 12px; height: 12px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 14px rgba(0, 229, 255, 0.55); }
        .timeline-dot::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 1px solid rgba(0, 229, 255, 0.25); animation: pulseDot 2s ease-out infinite; }
        @keyframes pulseDot { 0% { transform: scale(0.7); opacity: 0.8; } 100% { transform: scale(1.5); opacity: 0; } }
        .timeline-index { font-family: var(--font-mono); font-size: 30px; font-weight: 700; color: rgba(0, 229, 255, 0.25); line-height: 1; margin-bottom: 4px; letter-spacing: -1px; }
        .timeline-content { background: var(--bg-glass); border: 1px solid var(--bg-glass-border); border-radius: var(--radius-card); padding: 24px 28px; backdrop-filter: blur(14px); transition: border-color .25s, transform .25s, box-shadow .25s; }
        .timeline-content:hover { border-color: rgba(0, 229, 255, 0.45); transform: translateX(4px); box-shadow: var(--shadow-card); }
        .timeline-content h3 { font-size: 19px; margin-bottom: 8px; color: var(--text-primary); font-weight: 700; }
        .timeline-content p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; }

        /* ===== 直播预告卡片 ===== */
        .schedule-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .schedule-card { background: var(--bg-glass); border: 1px solid var(--bg-glass-border); border-radius: var(--radius-card); overflow: hidden; backdrop-filter: blur(14px); transition: transform .25s, border-color .25s, box-shadow .25s; display: flex; flex-direction: column; }
        .schedule-card:hover { transform: translateY(-4px); border-color: rgba(0, 229, 255, 0.4); box-shadow: var(--shadow-card-hover); }
        .schedule-cover { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
        .schedule-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
        .schedule-card:hover .schedule-cover img { transform: scale(1.04); }
        .schedule-cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(7, 13, 26, 0.45), transparent 60%); }
        .badge-live { position: absolute; top: 12px; left: 12px; z-index: 2; }
        .badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 13px; border-radius: 999px; font-size: 12px; font-weight: 700; }
        .badge-amber { background: rgba(255, 184, 77, 0.15); border: 1px solid rgba(255, 184, 77, 0.4); color: var(--accent-amber); }
        .badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-amber); animation: pulseDot 1.2s ease-in-out infinite; }
        .schedule-info { padding: 22px; display: flex; flex-direction: column; flex: 1; }
        .schedule-date { font-family: var(--font-mono); font-size: 13px; color: var(--text-muted); letter-spacing: 0.4px; margin-bottom: 10px; }
        .schedule-info h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); line-height: 1.4; }
        .schedule-info > p { color: var(--text-secondary); font-size: 14px; line-height: 1.55; margin-bottom: 16px; flex: 1; }
        .link-more { color: var(--accent); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; transition: gap .2s ease; padding: 4px 0; }
        .link-more:hover { gap: 12px; }
        .link-more:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
        .schedule-note { margin-top: 28px; text-align: center; color: var(--text-muted); font-size: 14px; }

        /* ===== 订阅 ===== */
        .subscribe-section { background: var(--bg-secondary); position: relative; overflow: hidden; }
        .subscribe-section::after { content: ""; position: absolute; top: -120px; right: -120px; width: 340px; height: 340px; background: radial-gradient(circle, rgba(0, 229, 255, 0.10), transparent 70%); pointer-events: none; }
        .subscribe-panel { display: flex; align-items: center; justify-content: space-between; gap: 40px; background: var(--bg-glass); border: 1px solid var(--bg-glass-border); border-radius: var(--radius-card); padding: 40px 44px; backdrop-filter: blur(14px); position: relative; z-index: 2; }
        .subscribe-info h2 { font-size: 26px; font-weight: 700; margin-bottom: 10px; color: var(--text-primary); }
        .subscribe-info p { color: var(--text-secondary); font-size: 15px; line-height: 1.6; max-width: 420px; }
        .subscribe-form { display: flex; gap: 12px; min-width: 440px; }
        .subscribe-form input { flex: 1; height: 48px; background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.10); border-radius: var(--radius-input); padding: 0 16px; color: var(--text-primary); font-size: 14px; transition: border-color .2s, box-shadow .2s; }
        .subscribe-form input::placeholder { color: var(--text-muted); }
        .subscribe-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15); }
        .subscribe-form .btn { flex-shrink: 0; }
        .form-message { margin-top: 12px; font-size: 14px; min-height: 20px; }
        .form-message.success { color: var(--success); }
        .form-message.error { color: var(--error); }

        /* ===== FAQ ===== */
        .faq-list { max-width: 780px; margin: 0 auto; }
        .faq-item { border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
        .faq-item:first-child { border-top: 1px solid rgba(255, 255, 255, 0.08); }
        .faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 20px 8px; background: none; color: var(--text-primary); font-size: 16px; font-weight: 600; cursor: pointer; text-align: left; transition: color .2s; }
        .faq-question:hover { color: var(--accent); }
        .faq-question:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: 6px; }
        .faq-icon { width: 22px; height: 22px; border-radius: 50%; background: rgba(0, 229, 255, 0.08); border: 1px solid rgba(0, 229, 255, 0.2); position: relative; flex-shrink: 0; transition: transform .25s ease; }
        .faq-icon::before, .faq-icon::after { content: ""; position: absolute; top: 50%; left: 50%; background: var(--accent); transition: transform .25s ease; }
        .faq-icon::before { width: 10px; height: 1.5px; transform: translate(-50%, -50%); }
        .faq-icon::after { width: 1.5px; height: 10px; transform: translate(-50%, -50%); }
        .faq-item.active .faq-icon { transform: rotate(45deg); background: rgba(0, 229, 255, 0.15); }
        .faq-item.active .faq-question { color: var(--accent); }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
        .faq-answer p { padding: 0 8px 20px; color: var(--text-secondary); font-size: 14px; line-height: 1.65; }

        /* ===== CTA ===== */
        .cta-banner { position: relative; padding: 64px 0; text-align: center; overflow: hidden; background: var(--bg-primary); border-top: 1px solid rgba(255, 255, 255, 0.06); border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
        .cta-banner::before { content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 700px; height: 300px; background: radial-gradient(ellipse, rgba(0, 229, 255, 0.08), transparent 70%); pointer-events: none; }
        .cta-banner .container { position: relative; z-index: 2; }
        .cta-banner h2 { font-size: 30px; font-weight: 800; margin-bottom: 14px; color: var(--text-primary); }
        .cta-banner p { color: var(--text-secondary); font-size: 15px; margin-bottom: 26px; }
        .cta-banner .btn { min-width: 180px; }

        /* ===== Footer ===== */
        .site-footer { background: #050A14; border-top: 1px solid rgba(255, 255, 255, 0.06); padding: 64px 0 24px; margin-top: 0; }
        .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
        .footer-brand .logo { margin-bottom: 16px; }
        .footer-brand p { color: var(--text-muted); font-size: 14px; line-height: 1.7; max-width: 360px; }
        .footer-col h4 { font-size: 15px; font-weight: 700; margin-bottom: 16px; color: var(--text-primary); }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul a { color: var(--text-secondary); font-size: 14px; transition: color .2s; }
        .footer-col ul a:hover { color: var(--accent); }
        .footer-bottom { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid rgba(255, 255, 255, 0.06); padding-top: 20px; color: var(--text-muted); font-size: 13px; }
        .footer-bottom .icp { color: var(--text-muted); }

        /* ===== 响应式 ===== */
        @media (max-width: 1199px) {
            .schedule-grid { grid-template-columns: repeat(3, 1fr); }
            .subscribe-form { min-width: 0; width: 100%; }
            .subscribe-panel { flex-direction: column; align-items: flex-start; gap: 24px; }
        }
        @media (max-width: 1024px) {
            .container { padding: 0 20px; }
            .header-search { width: 180px; }
            .schedule-grid { grid-template-columns: repeat(2, 1fr); }
            .section { padding: var(--space-section-tablet) 0; }
        }
        @media (max-width: 767px) {
            .container { padding: 0 16px; }
            .header-search { display: none; }
            .header-top .btn-sm { display: none; }
            .menu-toggle { display: flex; }
            .header-nav { display: none; }
            .header-nav.open { display: block; }
            .nav-tabs { flex-wrap: nowrap; overflow-x: auto; }
            .cat-hero { min-height: auto; padding: 48px 0 56px; }
            .cat-hero h1 { font-size: 30px; }
            .cat-hero p { font-size: 15px; }
            .cat-hero-actions { flex-direction: column; width: 100%; }
            .cat-hero-actions .btn { width: 100%; }
            .section { padding: var(--space-section-mobile) 0; }
            .section-head { margin-bottom: 36px; }
            .section-head h2 { font-size: 26px; }
            .timeline::before { left: 15px; }
            .timeline-dot { left: 15px; }
            .timeline-item { padding-left: 46px; }
            .timeline-index { font-size: 26px; }
            .timeline-content { padding: 18px 20px; }
            .schedule-grid { grid-template-columns: 1fr; gap: 18px; }
            .schedule-info h3 { font-size: 17px; }
            .subscribe-panel { padding: 28px 22px; }
            .subscribe-info h2 { font-size: 22px; }
            .subscribe-form { flex-direction: column; }
            .subscribe-form .btn { width: 100%; }
            .cta-banner { padding: 48px 0; }
            .cta-banner h2 { font-size: 24px; }
            .cta-banner .btn { width: 100%; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
        }
        @media (min-width: 768px) {
            .header-nav { display: block !important; }
        }

/* roulang page: category3 */
:root {
        --bg-deep: #070D1A;
        --bg-panel: #0B1322;
        --glass-bg: rgba(255, 255, 255, 0.05);
        --glass-border: rgba(255, 255, 255, 0.12);
        --cyan: #00E5FF;
        --amber: #FFB84D;
        --text-main: #EAF2FF;
        --text-sub: #A7B4CC;
        --text-dim: #64748B;
        --success: #34D399;
        --warning: #FBBF24;
        --danger: #F87171;
        --radius-card: 14px;
        --radius-btn: 10px;
        --radius-input: 8px;
        --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.25);
        --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.35);
        --glow-cyan: 0 0 24px rgba(0, 229, 255, 0.35);
        --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        --font-num: "DIN Alternate", "Bahnschrift", "Roboto Mono", monospace;
        --content-width: 1280px;
        --gutter: 24px;
        --section-space: 96px;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-cn);
        background-color: var(--bg-deep);
        color: var(--text-main);
        font-size: 16px;
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }

    ul,
    ol {
        list-style: none;
    }

    a {
        color: var(--cyan);
        text-decoration: none;
        transition: color 0.2s ease;
    }

    a:hover {
        color: #66efff;
    }

    img {
        max-width: 100%;
        display: block;
    }

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

    button {
        cursor: pointer;
    }

    .container {
        max-width: var(--content-width);
        margin: 0 auto;
        padding-left: var(--gutter);
        padding-right: var(--gutter);
    }

    .section {
        padding: var(--section-space) 0;
    }

    .section-head {
        margin-bottom: 40px;
        max-width: 720px;
    }

    .section-head h2 {
        font-size: 32px;
        font-weight: 700;
        line-height: 1.3;
        letter-spacing: 0.5px;
        margin-bottom: 12px;
        color: var(--text-main);
    }

    .section-head p {
        font-size: 16px;
        color: var(--text-sub);
        line-height: 1.75;
    }

    /* ---------- Header ---------- */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(7, 13, 26, 0.92);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .header-top {
        height: 64px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .header-top .container {
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
    }

    .logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .logo-icon {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, #00E5FF, #3B82F6);
        border-radius: 10px;
        font-size: 18px;
        font-weight: 800;
        color: #070D1A;
        font-family: var(--font-num);
        box-shadow: 0 0 18px rgba(0, 229, 255, 0.3);
    }

    .logo-text {
        font-size: 20px;
        font-weight: 700;
        color: var(--text-main);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .header-search {
        position: relative;
        width: 240px;
        flex-shrink: 0;
    }

    .header-search input {
        width: 100%;
        height: 40px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-input);
        padding: 0 38px 0 14px;
        color: var(--text-main);
        font-size: 14px;
        transition: border-color 0.2s, box-shadow 0.2s;
    }

    .header-search input::placeholder {
        color: var(--text-dim);
    }

    .header-search input:focus {
        border-color: var(--cyan);
        box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.2);
    }

    .search-icon {
        position: absolute;
        right: 12px;
        top: 50%;
        transform: translateY(-50%);
        pointer-events: none;
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }

    .header-nav {
        height: 48px;
        background: rgba(11, 19, 34, 0.75);
    }

    .nav-tabs {
        display: flex;
        align-items: center;
        gap: 4px;
        height: 48px;
        overflow-x: auto;
        scrollbar-width: none;
        white-space: nowrap;
    }

    .nav-tabs::-webkit-scrollbar {
        display: none;
    }

    .nav-tab {
        height: 40px;
        line-height: 40px;
        padding: 0 18px;
        border-radius: 999px;
        font-size: 15px;
        color: var(--text-sub);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: background 0.2s, color 0.2s;
        position: relative;
        flex-shrink: 0;
    }

    .nav-tab:hover {
        background: rgba(255, 255, 255, 0.08);
        color: var(--text-main);
    }

    .nav-tab.active {
        background: rgba(0, 229, 255, 0.15);
        color: var(--cyan);
    }

    .nav-tab.active::after {
        content: "";
        position: absolute;
        left: 18px;
        right: 18px;
        bottom: -5px;
        height: 2px;
        background: var(--cyan);
        border-radius: 2px;
        box-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
    }

    .menu-toggle {
        display: none;
        width: 40px;
        height: 40px;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.1);
        align-items: center;
        justify-content: center;
    }

    .menu-toggle:focus-visible {
        outline: 2px solid var(--cyan);
        outline-offset: 2px;
    }

    /* ---------- Buttons ---------- */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        height: 48px;
        padding: 0 26px;
        border-radius: var(--radius-btn);
        font-size: 15px;
        font-weight: 600;
        line-height: 1;
        transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s, background 0.2s;
        white-space: nowrap;
        cursor: pointer;
    }

    .btn:active {
        transform: scale(0.98);
    }

    .btn:focus-visible {
        outline: 2px solid var(--cyan);
        outline-offset: 2px;
    }

    .btn-primary {
        background: linear-gradient(135deg, #00E5FF, #2563EB);
        color: #070D1A;
        box-shadow: var(--glow-cyan);
        border: 1px solid rgba(255, 255, 255, 0.15);
    }

    .btn-primary:hover {
        box-shadow: 0 0 32px rgba(0, 229, 255, 0.45);
        color: #070D1A;
        transform: translateY(-1px);
    }

    .btn-ghost {
        background: transparent;
        border: 1px solid rgba(0, 229, 255, 0.5);
        color: var(--cyan);
    }

    .btn-ghost:hover {
        background: rgba(0, 229, 255, 0.12);
        border-color: var(--cyan);
        color: var(--cyan);
        transform: translateY(-1px);
    }

    .btn-sm {
        height: 40px;
        padding: 0 18px;
        font-size: 14px;
    }

    /* ---------- Page Hero ---------- */
    .page-hero {
        position: relative;
        min-height: 36vh;
        display: flex;
        align-items: center;
        padding: 72px 0 64px;
        background-color: var(--bg-panel);
        overflow: hidden;
    }

    .page-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-3.webp');
        background-size: cover;
        background-position: center;
        opacity: 0.4;
    }

    .page-hero::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(7, 13, 26, 0.92) 0%, rgba(7, 13, 26, 0.72) 50%, rgba(7, 13, 26, 0.55) 100%);
    }

    .page-hero .container {
        position: relative;
        z-index: 2;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(255, 184, 77, 0.15);
        border: 1px solid rgba(255, 184, 77, 0.4);
        color: var(--amber);
        font-size: 13px;
        font-weight: 600;
        padding: 6px 14px;
        border-radius: 999px;
        margin-bottom: 18px;
        letter-spacing: 0.5px;
    }

    .page-hero h1 {
        font-size: clamp(36px, 5vw, 48px);
        line-height: 1.3;
        font-weight: 800;
        color: var(--text-main);
        margin-bottom: 16px;
        letter-spacing: 1px;
    }

    .page-hero p {
        font-size: 17px;
        color: var(--text-sub);
        max-width: 640px;
        line-height: 1.75;
        margin-bottom: 28px;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }

    /* ---------- Breadcrumb ---------- */
    .breadcrumb {
        padding: 20px 24px 0;
        font-size: 14px;
        color: var(--text-dim);
    }

    .breadcrumb a {
        color: var(--text-sub);
        transition: color 0.2s;
    }

    .breadcrumb a:hover {
        color: var(--cyan);
    }

    .breadcrumb span {
        margin: 0 8px;
        color: var(--text-dim);
    }

    /* ---------- Info Panel ---------- */
    .info-panel {
        display: grid;
        grid-template-columns: 220px 1fr;
        border-radius: var(--radius-card);
        border: 1px solid var(--glass-border);
        background: var(--glass-bg);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        overflow: hidden;
        box-shadow: var(--shadow-card);
    }

    .panel-tag {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 20px 24px;
        font-size: 15px;
        font-weight: 600;
        color: var(--cyan);
        background: rgba(255, 255, 255, 0.03);
        border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        border-right: 1px solid rgba(255, 255, 255, 0.07);
    }

    .panel-tag::before {
        content: "";
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--cyan);
        box-shadow: 0 0 8px rgba(0, 229, 255, 0.6);
        flex-shrink: 0;
    }

    .panel-desc {
        padding: 20px 24px;
        font-size: 15px;
        color: var(--text-main);
        line-height: 1.7;
        border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        background: rgba(255, 255, 255, 0.01);
    }

    .info-panel > :last-child {
        border-bottom: none;
    }

    .info-section + .info-section {
        padding-top: 0;
    }

    .info-alt .info-panel {
        border-color: rgba(0, 229, 255, 0.18);
    }

    .info-alt .panel-tag {
        color: var(--amber);
        background: rgba(255, 184, 77, 0.04);
    }

    .info-alt .panel-tag::before {
        background: var(--amber);
        box-shadow: 0 0 8px rgba(255, 184, 77, 0.6);
    }

    /* ---------- Steps ---------- */
    .steps-section {
        background: var(--bg-panel);
    }

    .steps-wrap {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .step-item {
        padding: 32px 28px;
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: var(--radius-card);
        transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
    }

    .step-item:hover {
        transform: translateY(-4px);
        border-color: rgba(0, 229, 255, 0.4);
        box-shadow: var(--shadow-hover);
    }

    .step-num {
        display: block;
        font-family: var(--font-num);
        font-size: 30px;
        font-weight: 700;
        color: var(--cyan);
        margin-bottom: 18px;
        letter-spacing: 1px;
        opacity: 0.8;
    }

    .step-item h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 10px;
        line-height: 1.4;
    }

    .step-item p {
        font-size: 14px;
        color: var(--text-sub);
        line-height: 1.7;
    }

    /* ---------- FAQ ---------- */
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
    }

    .faq-item {
        border: 1px solid rgba(255, 255, 255, 0.08);
        background: rgba(255, 255, 255, 0.03);
        border-radius: var(--radius-card);
        margin-bottom: 14px;
        overflow: hidden;
        transition: border-color 0.25s;
    }

    .faq-item.active {
        border-color: rgba(0, 229, 255, 0.35);
    }

    .faq-q {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 0 24px;
        height: 56px;
        font-size: 16px;
        font-weight: 600;
        color: var(--text-main);
        text-align: left;
        background: transparent;
        transition: color 0.2s;
    }

    .faq-q:hover {
        color: var(--cyan);
    }

    .faq-icon {
        position: relative;
        width: 16px;
        height: 16px;
        flex-shrink: 0;
        transition: transform 0.25s;
    }

    .faq-icon::before,
    .faq-icon::after {
        content: "";
        position: absolute;
        background: var(--cyan);
        border-radius: 2px;
    }

    .faq-icon::before {
        width: 16px;
        height: 2px;
        top: 7px;
        left: 0;
    }

    .faq-icon::after {
        width: 2px;
        height: 16px;
        top: 0;
        left: 7px;
        transition: opacity 0.25s;
    }

    .faq-item.active .faq-icon {
        transform: rotate(45deg);
    }

    .faq-item.active .faq-icon::after {
        opacity: 0;
    }

    .faq-a {
        display: grid;
        grid-template-rows: 0fr;
        transition: grid-template-rows 0.25s ease;
        background: rgba(255, 255, 255, 0.02);
    }

    .faq-a > div {
        overflow: hidden;
    }

    .faq-a p {
        padding: 0 24px 20px;
        font-size: 14px;
        color: var(--text-sub);
        line-height: 1.7;
    }

    .faq-item.active .faq-a {
        grid-template-rows: 1fr;
    }

    /* ---------- CTA ---------- */
    .cta-section {
        padding: 0 0 var(--section-space);
    }

    .cta-banner {
        position: relative;
        border-radius: var(--radius-card);
        overflow: hidden;
        background: linear-gradient(135deg, rgba(0, 229, 255, 0.18), rgba(37, 99, 235, 0.12));
        border: 1px solid rgba(255, 255, 255, 0.1);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 32px;
        padding: 48px;
        box-shadow: var(--shadow-card);
    }

    .cta-banner::before {
        content: "";
        position: absolute;
        right: -80px;
        top: -80px;
        width: 220px;
        height: 220px;
        background: radial-gradient(circle, rgba(0, 229, 255, 0.2), transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

    .cta-banner img {
        width: 220px;
        height: 140px;
        object-fit: cover;
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.15);
        flex-shrink: 0;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    }

    .cta-content {
        flex: 1;
        position: relative;
        z-index: 1;
    }

    .cta-content h2 {
        font-size: 26px;
        font-weight: 700;
        margin-bottom: 10px;
        color: var(--text-main);
    }

    .cta-content p {
        font-size: 14px;
        color: var(--text-sub);
        line-height: 1.7;
        margin-bottom: 20px;
        max-width: 480px;
    }

    /* ---------- Footer ---------- */
    .site-footer {
        background: #050A14;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding: 64px 0 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr;
        gap: 48px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .footer-brand p {
        font-size: 14px;
        color: var(--text-sub);
        line-height: 1.75;
        margin-top: 16px;
        max-width: 380px;
    }

    .footer-col h4 {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-main);
        margin-bottom: 18px;
    }

    .footer-col ul li {
        margin-bottom: 10px;
    }

    .footer-col ul a {
        color: var(--text-sub);
        font-size: 14px;
        transition: color 0.2s, padding-left 0.2s;
    }

    .footer-col ul a:hover {
        color: var(--cyan);
        padding-left: 4px;
    }

    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 20px 0 28px;
        font-size: 13px;
        color: var(--text-dim);
    }

    .icp {
        min-width: 0;
    }

    /* ---------- Responsive ---------- */
    @media (min-width: 1200px) {
        .section {
            padding: var(--section-space) 0;
        }
    }

    @media (min-width: 768px) and (max-width: 1199px) {
        :root {
            --section-space: 64px;
        }

        .header-search {
            width: 200px;
        }

        .cta-banner {
            padding: 36px;
        }

        .cta-banner img {
            width: 180px;
            height: 120px;
        }

        .steps-wrap {
            gap: 16px;
        }

        .step-item {
            padding: 24px 20px;
        }
    }

    @media (max-width: 767px) {
        :root {
            --gutter: 16px;
            --section-space: 48px;
        }

        .header-top .container {
            gap: 10px;
        }

        .header-search {
            display: none;
        }

        .header-actions .btn {
            display: none;
        }

        .menu-toggle {
            display: flex;
        }

        .header-nav {
            height: auto;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            border-bottom: 1px solid transparent;
        }

        .header-nav.open {
            max-height: 240px;
            border-bottom-color: rgba(255, 255, 255, 0.06);
            overflow-y: auto;
        }

        .nav-tabs {
            flex-wrap: nowrap;
            overflow-x: auto;
            height: auto;
            padding: 8px 16px;
            gap: 6px;
        }

        .nav-tab {
            height: 36px;
            line-height: 36px;
            padding: 0 14px;
            font-size: 14px;
            flex-shrink: 0;
        }

        .nav-tab.active::after {
            left: 14px;
            right: 14px;
            bottom: -4px;
        }

        .page-hero {
            min-height: 60vh;
            padding: 56px 0 48px;
        }

        .page-hero h1 {
            font-size: 32px;
        }

        .page-hero p {
            font-size: 15px;
        }

        .hero-actions {
            flex-direction: column;
            align-items: stretch;
        }

        .breadcrumb {
            padding-top: 16px;
        }

        .info-panel {
            grid-template-columns: 1fr;
        }

        .panel-tag {
            border-right: none;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }

        .steps-wrap {
            grid-template-columns: 1fr;
        }

        .cta-banner {
            flex-direction: column;
            padding: 28px 20px;
            text-align: center;
        }

        .cta-banner img {
            width: 100%;
            height: auto;
            max-height: 180px;
            object-fit: cover;
        }

        .cta-content p {
            margin-left: auto;
            margin-right: auto;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }

        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
    }