/* roulang page: index */
:root {
            --bg-main: #0A0F1E;
            --bg-deep: #060914;
            --primary: #1B6DFF;
            --secondary: #00D9FF;
            --accent: #8B7BFF;
            --amber: #FFB454;
            --text-primary: #EEF3FF;
            --text-secondary: #A6B0D3;
            --text-disabled: #5E6A8D;
            --border: rgba(255, 255, 255, 0.10);
            --card-border: rgba(255, 255, 255, 0.12);
            --card-bg: rgba(255, 255, 255, 0.04);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.22);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-num: 'DIN Alternate', 'Bahnschrift', system-ui, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-cn);
            background: var(--bg-main);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            display: block;
            max-width: 100%;
            border: 0;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        :focus {
            outline: none;
        }
        :focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
            border-radius: 5px;
        }
        .container {
            max-width: 1240px;
            margin-inline: auto;
            padding-inline: 24px;
        }
        .section-gap {
            padding-block: 88px;
        }
        .section-title-line {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 44px;
            flex-wrap: wrap;
        }
        .section-title-line .eyebrow {
            font-size: 13px;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 6px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .section-title-line h2 {
            font-size: clamp(1.5rem, 2.6vw, 2.2rem);
            line-height: 1.3;
            font-weight: 700;
            margin: 0;
        }
        .section-title-line p {
            margin: 10px 0 0;
            color: var(--text-secondary);
            max-width: 540px;
            font-size: 15px;
        }
        .font-num {
            font-family: var(--font-num);
            letter-spacing: 0.02em;
        }

        /* 导航 */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 15, 30, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid transparent;
            transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
        }
        .main-header.scrolled {
            background: rgba(6, 9, 20, 0.88);
            border-bottom-color: rgba(255, 255, 255, 0.06);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            height: 70px;
        }
        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 11px;
            background: linear-gradient(135deg, #1B6DFF, #00D9FF);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 18px rgba(0, 217, 255, 0.25);
            color: #fff;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 1.16rem;
            font-weight: 700;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .logo-text small {
            display: block;
            font-size: 0.62rem;
            color: var(--text-secondary);
            font-weight: 400;
            letter-spacing: 0.08em;
            margin-top: -2px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 0;
            margin: 0;
            list-style: none;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 18px;
            border-radius: 999px;
            color: #C7D0E8;
            font-size: 15px;
            font-weight: 500;
            border: 1px solid transparent;
            transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-link.active {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(0, 217, 255, 0.35);
            color: #fff;
            box-shadow: 0 0 18px rgba(0, 217, 255, 0.10);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .search-box {
            position: relative;
        }
        .search-box input {
            width: 170px;
            height: 38px;
            border: 1px solid rgba(255, 255, 255, 0.14);
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            border-radius: 999px;
            padding: 0 36px 0 15px;
            font-size: 14px;
            transition: all 0.2s ease;
        }
        .search-box input::placeholder {
            color: #6E7AA9;
        }
        .search-box input:focus {
            border-color: rgba(0, 217, 255, 0.6);
            background: rgba(255, 255, 255, 0.07);
            box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.12);
        }
        .search-box svg {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #6E7AA9;
            pointer-events: none;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            min-height: 40px;
            padding: 0 20px;
            transition: all 0.2s ease;
            border: 1px solid transparent;
            cursor: pointer;
        }
        .btn-primary {
            background: linear-gradient(90deg, #1B6DFF, #00D9FF);
            color: #fff;
            box-shadow: 0 4px 22px rgba(0, 120, 255, 0.25);
        }
        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: 0 6px 28px rgba(0, 200, 255, 0.32);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #DDE6FF;
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: rgba(255, 255, 255, 0.28);
        }
        .btn-lg {
            min-height: 48px;
            padding: 0 30px;
            border-radius: 14px;
            font-size: 16px;
        }
        .btn-sm {
            min-height: 36px;
            padding: 0 16px;
            border-radius: 10px;
            font-size: 13px;
        }
        .btn-amber {
            background: rgba(255, 180, 84, 0.14);
            border: 1px solid rgba(255, 180, 84, 0.35);
            color: #FFB454;
        }
        .btn-amber:hover {
            background: rgba(255, 180, 84, 0.22);
            border-color: rgba(255, 180, 84, 0.5);
        }
        .nav-toggle {
            display: none;
        }
        .mobile-menu {
            display: none;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background-color: #070B17;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(7, 11, 23, 0.97) 10%, rgba(7, 11, 23, 0.75) 55%, rgba(7, 11, 23, 0.42) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 78% 20%, rgba(0, 217, 255, 0.14), transparent 36%),
                radial-gradient(circle at 10% 90%, rgba(139, 123, 255, 0.12), transparent 30%);
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding-block: 70px 60px;
        }
        .hero-inner {
            max-width: 820px;
        }
        .hero-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(0, 217, 255, 0.22);
            color: var(--secondary);
            font-size: 14px;
            margin-bottom: 24px;
        }
        .hero-pill .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
            box-shadow: 0 0 8px var(--secondary);
            display: inline-block;
        }
        .hero h1 {
            font-size: clamp(1.9rem, 4.5vw, 3.4rem);
            line-height: 1.22;
            margin: 0 0 22px;
            font-weight: 800;
            letter-spacing: 0.01em;
        }
        .hero h1 .highlight {
            background: linear-gradient(120deg, #cfe9ff, #00D9FF);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-subtitle {
            font-size: 16px;
            color: #C1CBEB;
            max-width: 560px;
            margin-bottom: 34px;
        }
        .hero-cta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-quick-info {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-top: 50px;
            flex-wrap: wrap;
        }
        .hero-quick-info-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .hero-quick-info-item svg {
            color: var(--secondary);
            flex-shrink: 0;
        }
        .hero-floating-card {
            position: absolute;
            right: 40px;
            top: 50%;
            transform: translateY(-50%);
            width: 310px;
            z-index: 2;
            border-radius: 20px;
            padding: 26px;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.04));
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
        }
        .hero-floating-card .card-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-floating-card .card-item:last-child {
            border-bottom: 0;
        }
        .hero-floating-card .card-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 217, 255, 0.12);
            color: #00D9FF;
            border: 1px solid rgba(0, 217, 255, 0.2);
            flex-shrink: 0;
        }
        .hero-floating-card .card-label {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.3;
        }
        .hero-floating-card .card-value {
            font-size: 15px;
            color: #fff;
            font-weight: 600;
        }

        /* 状态栏 */
        .status-bar {
            background: rgba(6, 9, 20, 0.6);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            border-top: 1px solid rgba(255, 255, 255, 0.03);
        }
        .status-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            min-height: 56px;
            flex-wrap: wrap;
            padding-block: 10px;
        }
        .status-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .status-item strong {
            color: #DFE7FF;
            font-weight: 600;
        }
        .status-divider {
            width: 1px;
            height: 16px;
            background: rgba(255, 255, 255, 0.12);
        }
        .status-item .hot-tag {
            font-size: 12px;
            border-radius: 5px;
            padding: 2px 8px;
            background: rgba(255, 180, 84, 0.12);
            border: 1px solid rgba(255, 180, 84, 0.25);
            color: #FFB454;
            margin-left: 4px;
        }

        /* 玻璃体卡片通用 */
        .glass-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03) 60%, rgba(255, 255, 255, 0.05));
            border: 1px solid rgba(255, 255, 255, 0.11);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 18px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.20);
        }
        .glass-hover {
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
        }
        .glass-hover:hover {
            transform: translateY(-3px);
            border-color: rgba(0, 217, 255, 0.32);
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 217, 255, 0.10);
        }

        .section-head-center {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-head-center h2 {
            margin: 0 0 10px;
        }

        /* 服务层级阶梯 */
        .tier-row {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            align-items: center;
        }
        .tier-card {
            padding: 34px 28px;
            border-radius: 20px;
            position: relative;
            overflow: hidden;
            min-height: 310px;
        }
        .tier-card.featured {
            min-height: 370px;
            border: 1px solid rgba(0, 217, 255, 0.4);
            box-shadow: 0 0 38px rgba(0, 217, 255, 0.10), 0 12px 42px rgba(0, 0, 0, 0.3);
            background: linear-gradient(145deg, rgba(27, 109, 255, 0.18), rgba(0, 217, 255, 0.06) 55%, rgba(255, 255, 255, 0.05)), #0E1524;
        }
        .tier-card.featured::before {
            content: '';
            position: absolute;
            top: -32px;
            right: -32px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 217, 255, 0.25), transparent 70%);
        }
        .tier-card .tier-badge {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.05em;
            padding: 5px 12px;
            border-radius: 999px;
            display: inline-block;
            margin-bottom: 16px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: var(--accent);
        }
        .tier-card.featured .tier-badge {
            background: rgba(0, 217, 255, 0.16);
            border-color: rgba(0, 217, 255, 0.4);
            color: #00D9FF;
        }
        .tier-card h3 {
            font-size: 1.4rem;
            margin: 0 0 10px;
            font-weight: 700;
        }
        .tier-card .tier-desc {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 20px;
            line-height: 1.7;
        }
        .tier-card ul {
            padding: 0;
            margin: 0;
            list-style: none;
        }
        .tier-card li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 10px;
            font-size: 14px;
            color: #C8D1EE;
        }
        .tier-card li svg {
            width: 17px;
            height: 17px;
            flex-shrink: 0;
            margin-top: 3px;
            color: var(--secondary);
        }

        /* 分类卡片区 */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .category-cards {
            display: block;
            border-radius: 20px;
            overflow: hidden;
            position: relative;
            min-height: 330px;
            display: flex;
            align-items: flex-end;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
            background-color: #0B101F;
            background-size: cover;
            background-position: center;
        }
        .category-cards::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(6, 9, 20, 0.95) 0%, rgba(6, 9, 20, 0.65) 50%, rgba(6, 9, 20, 0.3) 100%);
        }
        .category-cards:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 217, 255, 0.4);
            box-shadow: 0 16px 44px rgba(0, 0, 0, 0.35);
        }
        .category-card-content {
            position: relative;
            padding: 28px 26px;
            width: 100%;
        }
        .category-card-content h3 {
            font-size: 1.3rem;
            margin: 0 0 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .category-card-content h3 svg {
            width: 20px;
            height: 20px;
        }
        .category-card-content p {
            color: #BFCAE8;
            font-size: 14px;
            margin: 0 0 14px;
            max-width: 260px;
            line-height: 1.6;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: #00D9FF;
            font-size: 14px;
            font-weight: 600;
        }
        .card-link:hover {
            color: #7AE9FF;
        }

        /* 对比表格 */
        .table-wrapper {
            overflow-x: auto;
            border-radius: 18px;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015));
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.16);
            padding: 6px;
        }
        .compare-table {
            width: 100%;
            min-width: 800px;
            border-collapse: separate;
            border-spacing: 0;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 18px;
            text-align: center;
            font-size: 14px;
            vertical-align: middle;
        }
        .compare-table th {
            font-weight: 600;
            color: #DCE5FF;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
        }
        .compare-table td {
            color: #BCC6E4;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .compare-table tr:last-child td {
            border-bottom: 0;
        }
        .compare-table td:first-child {
            text-align: left;
            font-weight: 500;
            color: #E6EDFF;
        }
        .compare-table tr:hover td {
            background: rgba(255, 255, 255, 0.025);
        }
        .compare-table .col-featured {
            background: rgba(0, 217, 255, 0.05);
            border-left: 1px solid rgba(0, 217, 255, 0.15);
            border-right: 1px solid rgba(0, 217, 255, 0.15);
            color: #E7F6FF;
        }
        .compare-table th.col-featured {
            background: rgba(0, 217, 255, 0.10);
        }
        .compare-table .check-icon {
            color: #00D9FF;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .compare-table .dash {
            color: #67708F;
        }
        .plan-name {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
        }
        .plan-pop {
            display: inline-block;
            background: rgba(255, 180, 84, 0.15);
            border: 1px solid rgba(255, 180, 84, 0.35);
            color: var(--amber);
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 999px;
            margin-left: 6px;
        }

        /* 限时入口 */
        .flash-cta {
            position: relative;
            overflow: hidden;
            border-radius: 22px;
            border: 1px solid rgba(255, 180, 84, 0.22);
            background: linear-gradient(90deg, rgba(255, 180, 84, 0.10), rgba(6, 9, 20, 0.4) 45%, rgba(6, 9, 20, 0.6)), linear-gradient(135deg, #0c1428, #0a0f1e);
            box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
            padding: 40px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
        }
        .flash-cta::before {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 180, 84, 0.16), transparent 65%);
        }
        .flash-cta .flash-title {
            font-size: 1.55rem;
            font-weight: 700;
            margin: 0 0 8px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .flash-cta .flash-desc {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 420px;
        }
        .flash-cta .countdown-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 18px;
        }
        .countdown-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 14px;
            min-width: 70px;
            padding: 14px 10px;
            text-align: center;
        }
        .countdown-item .num {
            font-family: var(--font-num);
            font-size: 1.7rem;
            color: #FFB454;
            line-height: 1.1;
            font-weight: 700;
            text-shadow: 0 0 18px rgba(255, 180, 84, 0.35);
        }
        .countdown-item .label {
            font-size: 11px;
            color: var(--text-secondary);
            letter-spacing: 0.12em;
            margin-top: 4px;
        }
        .flash-sep {
            font-size: 1.4rem;
            color: rgba(255, 180, 84, 0.6);
            font-family: var(--font-num);
            font-weight: 300;
        }

        /* 表单 */
        .contact-section {
            background-color: #0c1222;
            background-image: radial-gradient(circle at 10% 40%, rgba(27, 109, 255, 0.10), transparent 38%), radial-gradient(circle at 90% 0%, rgba(139, 123, 255, 0.08), transparent 40%);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .contact-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 48px;
        }
        .contact-info h2 {
            font-size: clamp(1.6rem, 2.6vw, 2.2rem);
            margin: 0 0 14px;
        }
        .contact-info>p {
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .contact-meta-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }
        .contact-meta-item:last-child {
            border-bottom: 0;
        }
        .contact-meta-item .meta-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(27, 109, 255, 0.12);
            border: 1px solid rgba(27, 109, 255, 0.22);
            color: var(--primary);
            flex-shrink: 0;
        }
        .contact-meta-item .meta-title {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .contact-meta-item .meta-value {
            color: #E4EBFF;
            font-weight: 600;
            font-size: 15px;
        }
        .contact-form-panel {
            border-radius: 20px;
            padding: 36px 36px;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03) 80%), rgba(10, 15, 30, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.26);
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-label {
            display: block;
            font-size: 13px;
            color: #C0CBF0;
            margin-bottom: 7px;
            font-weight: 500;
        }
        .form-input,
        .form-textarea {
            width: 100%;
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.045);
            border-radius: 12px;
            padding: 12px 15px;
            color: #EEF3FF;
            font-size: 15px;
            transition: all 0.2s ease;
        }
        .form-input::placeholder,
        .form-textarea::placeholder {
            color: #6E7AA9;
        }
        .form-input:focus,
        .form-textarea:focus {
            border-color: rgba(0, 217, 255, 0.6);
            background: rgba(255, 255, 255, 0.07);
            box-shadow: 0 0 0 4px rgba(0, 217, 255, 0.10);
        }
        .form-textarea {
            min-height: 110px;
            resize: vertical;
        }
        .submit-line {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .submit-tip {
            font-size: 12px;
            color: var(--text-disabled);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* CMS 资讯区 */
        .news-area {
            background: var(--bg-main);
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .news-featured-card {
            border-radius: 20px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.10);
            display: flex;
            flex-direction: column;
            transition: all 0.2s ease;
        }
        .news-featured-card:hover {
            border-color: rgba(0, 217, 255, 0.35);
            transform: translateY(-2px);
        }
        .news-featured-cover {
            height: 240px;
            background-color: #101827;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .news-featured-cover::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(6, 9, 20, 0.8), transparent 50%);
        }
        .news-featured-body {
            padding: 26px 26px 30px;
            position: relative;
        }
        .news-badge {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(27, 109, 255, 0.16);
            border: 1px solid rgba(27, 109, 255, 0.32);
            color: #8CB8FF;
            margin-bottom: 12px;
        }
        .news-featured-body h3 {
            font-size: 1.3rem;
            line-height: 1.4;
            margin: 0 0 10px;
        }
        .news-featured-body .news-summary {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-disabled);
            flex-wrap: wrap;
        }
        .news-list-panel {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-list-item {
            display: flex;
            gap: 16px;
            align-items: center;
            padding: 14px 16px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.025);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.2s ease;
        }
        .news-list-item:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(0, 217, 255, 0.3);
            transform: translateX(2px);
        }
        .news-list-item .thumb {
            width: 64px;
            height: 64px;
            border-radius: 12px;
            background-size: cover;
            background-position: center;
            background-color: #141b2e;
            flex-shrink: 0;
        }
        .news-list-item .list-content {
            flex: 1;
            min-width: 0;
        }
        .news-list-item .list-content h3 {
            font-size: 15px;
            margin: 0 0 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item .list-summary {
            font-size: 13px;
            color: var(--text-secondary);
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 6px;
        }
        .news-list-item .meta-mini {
            font-size: 12px;
            color: var(--text-disabled);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .news-empty {
            border: 1px dashed rgba(255, 255, 255, 0.14);
            border-radius: 20px;
            padding: 50px;
            text-align: center;
            color: var(--text-disabled);
            font-size: 15px;
            background: rgba(255, 255, 255, 0.02);
        }

        /* FAQ */
        .faq-layout {
            display: grid;
            grid-template-columns: 0.75fr 1.25fr;
            gap: 40px;
        }
        .faq-intro h2 {
            font-size: clamp(1.6rem, 2.6vw, 2.2rem);
            margin: 0 0 14px;
        }
        .faq-intro p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            line-height: 1.8;
            font-size: 15px;
        }
        .faq-intro .btn {
            margin-right: 12px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: rgba(255, 255, 255, 0.025);
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.2s ease;
        }
        .faq-item.active {
            background: rgba(255, 255, 255, 0.045);
            border-color: rgba(0, 217, 255, 0.30);
            box-shadow: 0 0 30px rgba(0, 217, 255, 0.05);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            background: transparent;
            border: 0;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 22px;
            cursor: pointer;
            min-height: 52px;
            text-align: left;
            transition: color 0.2s ease;
        }
        .faq-question:hover {
            color: #fff;
        }
        .faq-question .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
        }
        .faq-item.active .faq-arrow {
            transform: rotate(45deg);
            background: rgba(0, 217, 255, 0.14);
            border-color: rgba(0, 217, 255, 0.40);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.28s ease;
        }
        .faq-answer-inner {
            padding: 0 22px 22px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        /* 页脚 */
        .site-footer {
            background: #060914;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-inner {
            padding-block: 56px 26px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.7fr 0.7fr 1fr;
            gap: 36px;
        }
        .footer-brand .logo-text {
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-top: 14px;
            max-width: 260px;
            line-height: 1.7;
        }
        .footer-col h4 {
            color: #DFE7FF;
            font-size: 15px;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: #00D9FF;
        }
        .footer-subscribe form {
            display: flex;
            gap: 8px;
            margin-top: 10px;
            max-width: 280px;
        }
        .footer-subscribe .form-input {
            height: 40px;
            border-radius: 10px;
            font-size: 14px;
            flex: 1;
            padding: 0 13px;
        }
        .footer-copyright {
            margin-top: 44px;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            justify-content: space-between;
            gap: 12px;
            color: #5E6A8D;
            font-size: 13px;
            flex-wrap: wrap;
        }
        .footer-copyright a {
            color: #7684B5;
        }
        .footer-copyright a:hover {
            color: #AAB9F5;
        }
        .footer-domain {
            font-family: var(--font-num);
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .header-actions .search-box {
                display: none;
            }
            .hero-floating-card {
                display: none;
            }
            .hero {
                min-height: 540px;
            }
            .tier-row {
                grid-template-columns: 1fr;
                max-width: 560px;
                margin-inline: auto;
                gap: 20px;
            }
            .tier-card,
            .tier-card.featured {
                min-height: 0;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
            }
            .contact-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 62px;
            }
            .hero {
                min-height: 520px;
            }
            .hero-content {
                padding-block: 54px 34px;
            }
            .section-gap {
                padding-block: 58px;
            }
            .section-title-line {
                margin-bottom: 30px;
            }
            .header-actions .btn-header {
                display: none;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 26px;
            }
            .footer-copyright {
                flex-direction: column;
                align-items: flex-start;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .flash-cta {
                padding: 26px 20px;
            }
            .countdown-item {
                min-width: 60px;
            }
            .mobile-menu {
                display: block;
                position: fixed;
                top: 62px;
                left: 0;
                right: 0;
                background: rgba(6, 9, 20, 0.98);
                backdrop-filter: blur(18px);
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding: 12px 20px 20px;
                z-index: 99;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-6px);
                transition: all 0.2s ease;
            }
            .mobile-menu.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }
            .mobile-menu a {
                display: block;
                padding: 13px 14px;
                border-radius: 10px;
                color: #DCE6FF;
                font-size: 16px;
                font-weight: 500;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .mobile-menu a:last-child {
                border-bottom: 0;
            }
            .mobile-menu a.active,
            .mobile-menu a:hover {
                background: rgba(255, 255, 255, 0.04);
            }
            .status-divider {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .btn-lg {
                min-height: 44px;
                padding: 0 20px;
                font-size: 15px;
            }
            .hero-quick-info {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .hero-quick-info-item {
                width: 100%;
            }
            .category-card-content h3 {
                font-size: 1.1rem;
            }
        }

/* roulang page: article */
:root {
            --bg: #0A0F1E;
            --bg-deep: #060914;
            --surface: rgba(255, 255, 255, 0.04);
            --surface-high: rgba(255, 255, 255, 0.08);
            --border: rgba(255, 255, 255, 0.10);
            --border-strong: rgba(255, 255, 255, 0.16);
            --text: #EEF3FF;
            --text-secondary: #A6B0D3;
            --text-muted: #5E6A8D;
            --primary: #1B6DFF;
            --cyan: #00D9FF;
            --purple: #8B7BFF;
            --amber: #FFB454;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.22);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Bahnschrift", "SFMono-Regular", Consolas, monospace;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            min-height: 100vh;
            position: relative;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            z-index: -1;
            pointer-events: none;
            background:
                radial-gradient(circle at 12% 8%, rgba(27, 109, 255, 0.22), transparent 40%),
                radial-gradient(circle at 86% 18%, rgba(0, 217, 255, 0.10), transparent 26%),
                radial-gradient(circle at 70% 78%, rgba(139, 123, 255, 0.08), transparent 30%);
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        ul,
        ol {
            list-style-position: inside;
        }

        button,
        input {
            font: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
            border-radius: 8px;
        }

        ::selection {
            background: rgba(0, 217, 255, 0.25);
            color: #ffffff;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 22px;
            padding-right: 22px;
        }

        .main-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 15, 30, 0.74);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background 220ms ease, box-shadow 220ms ease;
        }

        .main-header.scrolled {
            background: rgba(6, 9, 20, 0.92);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.36);
            border-bottom-color: rgba(255, 255, 255, 0.09);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            min-height: 70px;
        }

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

        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 10px;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            box-shadow: 0 0 22px rgba(0, 217, 255, 0.45);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .logo-text {
            font-size: 1.24rem;
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: 0.02em;
            color: #fff;
            white-space: nowrap;
        }

        .logo-text small {
            display: block;
            font-size: 0.62rem;
            font-weight: 400;
            color: var(--text-secondary);
            letter-spacing: 0.16em;
            margin-top: 3px;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 9px 16px;
            border-radius: 999px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid transparent;
            transition: all 180ms ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.12);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(0, 217, 255, 0.55);
            box-shadow: 0 0 0 1px rgba(0, 217, 255, 0.18), 0 0 18px rgba(0, 217, 255, 0.12);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 999px;
            padding: 8px 14px;
            max-width: 230px;
            transition: all 180ms ease;
        }

        .search-box:focus-within {
            border-color: rgba(0, 217, 255, 0.7);
            box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.10);
            background: rgba(255, 255, 255, 0.07);
        }

        .search-box svg {
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            width: 138px;
            color: var(--text);
            font-size: 13px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            border-radius: 12px;
            border: 1px solid transparent;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 18px;
            transition: all 180ms ease;
            white-space: nowrap;
            line-height: 1;
        }

        .btn-sm {
            padding: 9px 14px;
            font-size: 13px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #fff;
            border-color: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 18px rgba(27, 109, 255, 0.35);
        }

        .btn-primary:hover {
            filter: brightness(1.12);
            box-shadow: 0 0 24px rgba(0, 217, 255, 0.4);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(0.96);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.14);
            color: var(--text);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(255, 255, 255, 0.24);
            color: #fff;
        }

        .btn-header {
            padding-left: 14px;
            padding-right: 14px;
        }

        .nav-toggle {
            display: none;
            padding: 8px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.12);
        }

        .mobile-menu {
            display: none;
            padding: 4px 14px 18px;
        }

        .mobile-menu a {
            display: block;
            padding: 13px 12px;
            border-radius: 12px;
            color: var(--text-secondary);
            font-weight: 500;
            transition: all 180ms ease;
        }

        .mobile-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .mobile-menu a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            box-shadow: inset 0 0 0 1px rgba(0, 217, 255, 0.35);
        }

        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .mobile-menu.open {
                display: block;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }

            .search-box {
                max-width: 42px;
                padding-left: 10px;
                padding-right: 10px;
            }

            .search-box input {
                display: none;
            }
        }

        @media (max-width: 639px) {
            .header-inner {
                gap: 8px;
            }

            .logo-text {
                font-size: 1.05rem;
            }

            .logo-text small {
                display: none;
            }

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

        .article-page {
            padding: 30px 0 32px;
        }

        .breadcrumbs {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        .breadcrumbs a {
            color: var(--text-secondary);
            transition: color 180ms ease;
        }

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

        .breadcrumbs .sep {
            color: var(--text-muted);
        }

        .breadcrumbs .current {
            color: var(--text-secondary);
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 220px;
            white-space: nowrap;
        }

        .article-header {
            max-width: 780px;
            margin: 0 auto 26px;
        }

        .cat-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(139, 123, 255, 0.12);
            border: 1px solid rgba(139, 123, 255, 0.30);
            color: #C9BFFF;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 12px;
            transition: all 180ms ease;
        }

        .cat-pill:hover {
            background: rgba(139, 123, 255, 0.2);
            border-color: rgba(139, 123, 255, 0.45);
        }

        .article-header h1 {
            font-size: clamp(1.85rem, 4vw, 2.7rem);
            line-height: 1.3;
            font-weight: 800;
            color: #fff;
            margin: 16px 0 14px;
            letter-spacing: 0.01em;
            word-break: break-word;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px 18px;
            color: var(--text-secondary);
            font-size: 14px;
        }

        .article-meta span,
        .article-meta time {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

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

        .article-divider {
            max-width: 760px;
            margin: 0 auto 16px;
            height: 1px;
            background: linear-gradient(90deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02));
        }

        .article-body {
            max-width: 760px;
            margin: 0 auto;
            font-size: 16px;
            color: #D7DFF5;
            line-height: 1.9;
            word-break: break-word;
        }

        .article-body p {
            margin-bottom: 1.4em;
        }

        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: #fff;
            line-height: 1.45;
            margin-top: 1.7em;
            margin-bottom: 0.7em;
        }

        .article-body h2 {
            font-size: 1.55rem;
        }

        .article-body h3 {
            font-size: 1.28rem;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.2em;
            margin-bottom: 1.4em;
        }

        .article-body li {
            margin-bottom: 0.45em;
        }

        .article-body a {
            color: var(--cyan);
            border-bottom: 1px solid rgba(0, 217, 255, 0.35);
        }

        .article-body a:hover {
            color: var(--purple);
            border-bottom-color: var(--purple);
        }

        .article-body blockquote {
            border-left: 3px solid var(--primary);
            background: rgba(27, 109, 255, 0.08);
            padding: 14px 18px;
            border-radius: 0 12px 12px 0;
            margin: 1.6em 0;
            color: var(--text-secondary);
        }

        .article-body img {
            border-radius: 16px;
            margin: 1.6em 0;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6em 0;
            font-size: 14px;
            border-radius: 12px;
            overflow: hidden;
        }

        .article-body th,
        .article-body td {
            border: 1px solid var(--border);
            padding: 10px 12px;
            text-align: left;
        }

        .article-body th {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }

        .article-body pre {
            border-radius: 14px;
            border: 1px solid var(--border);
            background: #060914;
            padding: 16px;
            overflow: auto;
            margin: 1.4em 0;
            font-family: var(--font-num);
            font-size: 14px;
            color: #BFD7FF;
        }

        .article-body code {
            font-family: var(--font-num);
            background: rgba(255, 255, 255, 0.08);
            border-radius: 6px;
            padding: 2px 6px;
            font-size: 0.94em;
        }

        .empty-state {
            text-align: center;
            padding: 58px 18px;
            border: 1px dashed rgba(255, 255, 255, 0.18);
            border-radius: 18px;
            background: rgba(255, 255, 255, 0.025);
        }

        .empty-state .empty-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 16px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
        }

        .empty-state h2 {
            font-size: 1.4rem;
            color: #fff;
            margin-bottom: 8px;
        }

        .empty-state p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 18px;
        }

        .article-bottom-nav {
            max-width: 760px;
            margin: 30px auto 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .article-bottom-nav .bn-text {
            font-size: 14px;
            color: var(--text-muted);
        }

        .related-band {
            padding: 52px 0 34px;
            background: rgba(6, 9, 20, 0.54);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .section-title {
            font-size: clamp(1.45rem, 2.6vw, 2rem);
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.01em;
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
        }

        .section-title .title-line {
            display: inline-block;
            width: 40px;
            height: 2px;
            background: linear-gradient(90deg, var(--cyan), transparent);
            border-radius: 2px;
        }

        .related-lead {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 22px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }

        @media (min-width: 768px) {
            .related-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .related-card {
            display: flex;
            flex-direction: column;
            background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(10, 15, 30, 0.5));
            border: 1px solid var(--border);
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 200ms ease;
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 217, 255, 0.35);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.32);
        }

        .related-media {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
            background: #0d1428;
        }

        .related-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 400ms ease;
        }

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

        .related-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(6, 9, 20, 0.82);
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: #fff;
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 999px;
            backdrop-filter: blur(10px);
        }

        .related-card-body {
            padding: 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-card-body h3 {
            font-size: 1.15rem;
            line-height: 1.5;
            color: #fff;
            margin-bottom: 8px;
            font-weight: 700;
        }

        .related-card-body p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .related-foot {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            color: var(--text-muted);
            font-size: 12px;
        }

        .related-foot .link {
            color: var(--cyan);
            font-weight: 600;
        }

        .related-foot .link:hover {
            color: var(--purple);
        }

        .slim-cta {
            margin: 34px auto 0;
            padding: 30px 0 48px;
        }

        .slim-cta-inner {
            position: relative;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 28px 28px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 22px;
            box-shadow: var(--shadow);
        }

        .slim-cta-inner::before {
            content: "";
            position: absolute;
            width: 220px;
            height: 220px;
            right: -60px;
            top: -80px;
            background: rgba(0, 217, 255, 0.14);
            filter: blur(80px);
            pointer-events: none;
        }

        .slim-cta-copy {
            position: relative;
            z-index: 1;
        }

        .slim-cta-copy h2 {
            color: #fff;
            font-size: 1.35rem;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .slim-cta-copy p {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .slim-cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            position: relative;
            z-index: 1;
        }

        .site-footer {
            background: rgba(5, 8, 16, 0.92);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 46px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 0.8fr 1.2fr;
            gap: 26px;
        }

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 14px;
            max-width: 380px;
            margin-top: 8px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 12px;
        }

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

        .footer-col ul li {
            margin-bottom: 9px;
        }

        .footer-col ul a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: color 180ms ease;
        }

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

        .footer-subscribe form {
            display: flex;
            gap: 8px;
            margin-top: 6px;
        }

        .footer-subscribe .form-input {
            flex: 1;
            min-width: 120px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 10px 12px;
            color: var(--text);
            font-size: 14px;
            outline: none;
            transition: all 180ms ease;
        }

        .footer-subscribe .form-input:focus {
            border-color: rgba(0, 217, 255, 0.7);
            box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
        }

        .footer-subscribe .form-input::placeholder {
            color: #6E7AA9;
        }

        .footer-copyright {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 26px;
            margin-top: 34px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-domain {
            color: var(--text-secondary);
            transition: color 180ms ease;
        }

        .footer-domain:hover {
            color: var(--cyan);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

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

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

            .slim-cta-inner {
                padding: 24px 18px;
            }

            .slim-cta-actions {
                width: 100%;
            }

            .slim-cta-actions .btn {
                flex: 1;
            }
        }

        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .related-card-body h3 {
                font-size: 1.08rem;
            }

            .breadcrumbs .current {
                max-width: 130px;
            }

            .slim-cta-actions .btn {
                width: 100%;
                flex: none;
            }
        }

/* roulang page: category1 */
:root {
            --bg: #0A0F1E;
            --bg-deep: #060914;
            --bg-soft: rgba(255, 255, 255, 0.04);
            --primary: #1B6DFF;
            --cyan: #00D9FF;
            --purple: #8B7BFF;
            --amber: #FFB454;
            --text: #EEF3FF;
            --text-ghost: #A6B0D3;
            --text-dim: #5E6A8D;
            --line: rgba(255, 255, 255, 0.10);
            --line-soft: rgba(255, 255, 255, 0.06);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-full: 999px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.22);
            --shadow-glow: 0 0 0 1px rgba(27, 109, 255, 0.35), 0 10px 30px rgba(27, 109, 255, 0.22);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-number: "DIN Alternate", "Bahnschrift", monospace;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background-color: var(--bg);
            background-image:
                radial-gradient(640px 320px at 80% -40px, rgba(27, 109, 255, 0.14), transparent 70%),
                radial-gradient(500px 300px at -10% 10%, rgba(139, 123, 255, 0.10), transparent 60%);
            color: var(--text);
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input {
            font-family: inherit;
        }

        button {
            border: 0;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .u-container {
            max-width: 1240px;
            margin-inline: auto;
            padding-inline: 24px;
        }

        .site-section {
            padding: 76px 0;
        }

        .section-header {
            max-width: 760px;
            margin-bottom: 42px;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--cyan);
            font-size: 13px;
            letter-spacing: 0.14em;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .section-eyebrow::before {
            width: 26px;
            height: 1px;
            background: var(--cyan);
            content: "";
            display: inline-block;
            opacity: 0.7;
        }

        .section-title {
            font-size: clamp(1.5rem, 2.6vw, 2.2rem);
            color: var(--text);
            letter-spacing: -0.02em;
        }

        .section-sub {
            color: var(--text-ghost);
            font-size: 16px;
            margin-top: 10px;
        }

        .text-ghost {
            color: var(--text-ghost);
        }

        .main-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 9, 20, 0.78);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--line-soft);
            transition: background 0.2s ease, box-shadow 0.2s ease;
        }

        .main-header.scrolled {
            background: rgba(4, 7, 16, 0.92);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 84px;
            gap: 18px;
        }

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

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 11px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            box-shadow: 0 0 18px rgba(27, 109, 255, 0.5);
            line-height: 0;
        }

        .logo-text {
            color: #fff;
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .logo-text small {
            display: block;
            font-size: 0.6rem;
            font-weight: 500;
            letter-spacing: 0.16em;
            color: var(--cyan);
            margin-top: 1px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            justify-content: center;
            flex: 1;
            gap: 8px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 18px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            color: var(--text-ghost);
            border: 1px solid transparent;
            transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
        }

        .nav-link:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(0, 217, 255, 0.38);
            box-shadow: inset 0 0 0 1px rgba(0, 217, 255, 0.1), 0 0 24px rgba(0, 217, 255, 0.06);
        }

        .header-actions {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 10px;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            width: 210px;
            height: 44px;
            padding: 0 16px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.09);
            transition: border-color 0.18s ease, box-shadow 0.18s ease;
        }

        .search-box input {
            flex: 1;
            min-width: 0;
            background: transparent;
            border: 0;
            outline: none;
            color: var(--text);
            font-size: 14px;
        }

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

        .search-box svg {
            color: var(--text-ghost);
            flex-shrink: 0;
        }

        .search-box:focus-within {
            border-color: rgba(0, 217, 255, 0.5);
            box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.12);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 20px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            color: var(--text);
            border: 1px solid transparent;
            transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
            white-space: nowrap;
        }

        .btn:active {
            transform: translateY(0) scale(0.99);
        }

        .btn-primary {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), #00aee8);
            box-shadow: 0 8px 20px rgba(27, 109, 255, 0.28), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(27, 109, 255, 0.36), inset 0 0 0 1px rgba(255, 255, 255, 0.1);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text);
            border-color: rgba(255, 255, 255, 0.16);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-sm {
            min-height: 40px;
            padding: 0 18px;
            font-size: 0.9rem;
        }

        .nav-toggle {
            display: none;
        }

        .mobile-menu {
            display: none;
        }

        .page-hero {
            position: relative;
            padding: 64px 0 66px;
            overflow: hidden;
            border-bottom: 1px solid var(--line-soft);
            background-color: #0d1426;
        }

        .hero-layer {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
        }

        .hero-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(6, 9, 20, 0.94) 0%, rgba(7, 12, 28, 0.90) 42%, rgba(10, 15, 30, 0.55) 100%);
        }

        .page-hero .u-container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-ghost);
            margin-bottom: 26px;
        }

        .breadcrumb a {
            color: var(--text-ghost);
            transition: color 0.16s ease;
        }

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

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            color: var(--cyan);
            font-size: 14px;
            letter-spacing: 0.12em;
            font-weight: 600;
            margin-bottom: 14px;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            background: rgba(0, 217, 255, 0.08);
            border: 1px solid rgba(0, 217, 255, 0.18);
        }

        .hero-title {
            font-size: clamp(1.9rem, 4.2vw, 3.3rem);
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: -0.03em;
            max-width: 820px;
        }

        .hero-desc {
            color: #c7d2ed;
            font-size: 16px;
            max-width: 680px;
            margin: 0;
        }

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 28px;
        }

        .mini-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 13px;
            color: var(--text);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .mini-badge svg {
            color: var(--cyan);
        }

        .hero-side-note {
            margin-top: 24px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            max-width: 400px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .hero-side-note .side-title {
            font-size: 15px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
        }

        .hero-side-note .side-text {
            font-size: 14px;
            color: var(--text-ghost);
            margin: 0;
        }

        .glass-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03));
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .picks-wrap {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 32px;
        }

        .picks-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .pick-card {
            display: grid;
            grid-template-columns: 220px minmax(0, 1fr);
            gap: 22px;
            padding: 16px;
            border-radius: var(--radius-lg);
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.025));
            border: 1px solid rgba(255, 255, 255, 0.10);
            box-shadow: var(--shadow-card);
            transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
        }

        .pick-card:hover {
            transform: translateY(-3px);
            border-color: rgba(0, 217, 255, 0.35);
            box-shadow: 0 14px 38px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 217, 255, 0.08);
        }

        .pick-thumb {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #131a2c;
            aspect-ratio: 16 / 10;
            min-height: 132px;
        }

        .pick-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .pick-content {
            display: flex;
            flex-direction: column;
            gap: 10px;
            justify-content: center;
        }

        .pick-kicker {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-ghost);
        }

        .cat-badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 12px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 600;
            color: #d9e3ff;
            background: linear-gradient(135deg, rgba(27, 109, 255, 0.32), rgba(139, 123, 255, 0.22));
            border: 1px solid rgba(27, 109, 255, 0.28);
        }

        .pick-title {
            font-size: 1.2rem;
            color: #fff;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.45;
        }

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

        .pick-summary {
            font-size: 14px;
            color: var(--text-ghost);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .pick-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--cyan);
            transition: gap 0.16s ease, color 0.16s ease;
        }

        .pick-link:hover {
            gap: 10px;
            color: #fff;
        }

        .side-stack {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .side-card {
            padding: 22px;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.025));
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-lg);
        }

        .side-card h3 {
            font-size: 1rem;
            color: #fff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .side-card h3 .ico {
            color: var(--purple);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.04);
            color: #dce5fa;
            font-size: 13px;
            transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease;
        }

        .tag-chip:hover {
            border-color: rgba(0, 217, 255, 0.45);
            color: #fff;
            background: rgba(0, 217, 255, 0.06);
        }

        .side-note-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .side-note-item {
            border-left: 2px solid rgba(0, 217, 255, 0.5);
            padding-left: 14px;
        }

        .side-note-item strong {
            display: block;
            color: #fff;
            font-size: 14px;
            margin-bottom: 4px;
        }

        .side-note-item p {
            font-size: 13px;
            color: var(--text-ghost);
            margin: 0;
        }

        .topic-section {
            background: linear-gradient(180deg, rgba(6, 9, 20, 0.7), rgba(8, 13, 27, 0.2));
        }

        .topic-tile {
            position: relative;
            height: 100%;
            padding: 28px 24px;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.18s ease, border-color 0.18s ease;
        }

        .topic-tile::after {
            position: absolute;
            width: 120px;
            height: 120px;
            right: -44px;
            top: -48px;
            border-radius: 50%;
            content: "";
            background: radial-gradient(circle, rgba(139, 123, 255, 0.28), transparent 70%);
            pointer-events: none;
        }

        .topic-tile:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 217, 255, 0.38);
        }

        .topic-icon {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 13px;
            background: linear-gradient(135deg, rgba(27, 109, 255, 0.25), rgba(0, 217, 255, 0.16));
            border: 1px solid rgba(0, 217, 255, 0.25);
            color: var(--cyan);
            margin-bottom: 18px;
        }

        .topic-tile h3 {
            font-size: 1.14rem;
            color: #fff;
            margin-bottom: 8px;
        }

        .topic-tile p {
            font-size: 14px;
            color: var(--text-ghost);
            margin: 0;
            line-height: 1.7;
        }

        .process-section {
            background: var(--bg-deep);
            border-top: 1px solid var(--line-soft);
            border-bottom: 1px solid var(--line-soft);
        }

        .process-item {
            position: relative;
            padding: 26px 22px 22px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            min-height: 165px;
        }

        .step-num {
            font-family: var(--font-number);
            font-size: 3rem;
            line-height: 1;
            font-weight: 700;
            color: transparent;
            -webkit-text-stroke: 1px rgba(0, 217, 255, 0.6);
            opacity: 0.9;
            margin-bottom: 18px;
            display: block;
        }

        .process-item h3 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 8px;
        }

        .process-item p {
            font-size: 14px;
            color: var(--text-ghost);
            margin: 0;
        }

        .faq-wrap {
            max-width: 940px;
            margin-inline: auto;
        }

        .faq-item {
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.03);
            margin-bottom: 14px;
            overflow: hidden;
            transition: background 0.16s ease, border-color 0.16s ease;
        }

        .faq-item.open {
            background: rgba(255, 255, 255, 0.045);
            border-color: rgba(0, 217, 255, 0.30);
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 20px 22px;
            text-align: left;
            background: transparent;
            color: #f0f4ff;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            min-height: 60px;
            transition: color 0.16s ease;
        }

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

        .faq-q .faq-index {
            color: var(--cyan);
            font-family: var(--font-number);
            font-size: 13px;
            opacity: 0.75;
            margin-right: 10px;
        }

        .faq-q .faq-qtext {
            flex: 1;
        }

        .faq-icon {
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--cyan);
            border: 1px solid rgba(0, 217, 255, 0.35);
            flex-shrink: 0;
            transition: transform 0.2s ease, background 0.2s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(0, 217, 255, 0.1);
        }

        .faq-a {
            display: none;
            padding: 0 22px 20px;
            color: var(--text-ghost);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item.open .faq-a {
            display: block;
        }

        .cta-strip {
            position: relative;
            background: #0d1322;
            border-top: 1px solid var(--line-soft);
            border-bottom: 1px solid var(--line-soft);
            overflow: hidden;
        }

        .cta-strip::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.26;
        }

        .cta-panel {
            position: relative;
            z-index: 1;
            padding: 56px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }

        .cta-copy {
            max-width: 640px;
        }

        .cta-copy h2 {
            font-size: clamp(1.35rem, 2.4vw, 2rem);
            color: #fff;
            margin-bottom: 8px;
        }

        .cta-copy p {
            color: var(--text-ghost);
            margin: 0;
            font-size: 15px;
        }

        .site-footer {
            background: #050912;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 54px 0 22px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
        }

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

        .footer-brand p,
        .footer-col p {
            color: var(--text-ghost);
            font-size: 14px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            color: var(--text-ghost);
            font-size: 14px;
            display: inline-flex;
            min-height: 22px;
            transition: color 0.16s ease;
        }

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

        .form-input {
            height: 44px;
            border-radius: var(--radius-md);
            padding: 0 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text);
            font-size: 14px;
            outline: none;
            width: 100%;
            margin-bottom: 10px;
            transition: border-color 0.16s ease, box-shadow 0.16s ease;
        }

        .form-input:focus {
            border-color: rgba(0, 217, 255, 0.5);
            box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.08);
        }

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

        .footer-copyright {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 40px;
            padding-top: 22px;
            color: #5E6A8D;
            font-size: 13px;
        }

        .footer-copyright a {
            color: #7d8abb;
        }

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

        @media (max-width: 1024px) {
            .picks-wrap {
                grid-template-columns: 1fr;
            }

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

            .header-inner {
                min-height: 78px;
            }
        }

        @media (max-width: 860px) {
            .nav-links {
                display: none;
            }

            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
                width: 44px;
                height: 44px;
                border-radius: 12px;
                background: rgba(255, 255, 255, 0.04);
                border: 1px solid rgba(255, 255, 255, 0.12);
                color: var(--text);
                cursor: pointer;
                flex-shrink: 0;
            }

            .search-box {
                width: 44px;
                padding: 0;
                justify-content: center;
                border-color: transparent;
                background: rgba(255, 255, 255, 0.04);
            }

            .search-box input {
                width: 0;
                padding: 0;
            }

            .mobile-menu {
                display: none;
                padding: 10px 22px 24px;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
                background: rgba(4, 7, 16, 0.96);
            }

            .mobile-menu.open {
                display: flex;
                flex-direction: column;
                gap: 8px;
            }

            .mobile-menu a {
                display: block;
                padding: 12px 16px;
                border-radius: 12px;
                color: var(--text-ghost);
                font-size: 15px;
                transition: background 0.16s ease, color 0.16s ease;
            }

            .mobile-menu a:hover,
            .mobile-menu a.active {
                color: #fff;
                background: rgba(255, 255, 255, 0.06);
            }

            .pick-card {
                grid-template-columns: 1fr;
            }

            .pick-thumb {
                aspect-ratio: 16 / 8;
            }

            .page-hero {
                padding: 48px 0 52px;
            }

            .site-section {
                padding: 54px 0;
            }
        }

        @media (max-width: 640px) {
            .u-container {
                padding-inline: 18px;
            }

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

            .footer-col h4 {
                margin-bottom: 12px;
            }

            .pick-card {
                padding: 12px;
                gap: 14px;
            }

            .pick-thumb {
                aspect-ratio: 16 / 9;
            }

            .topic-tile {
                padding: 22px 18px;
            }

            .process-item {
                min-height: 0;
                padding: 20px 18px;
            }

            .hero-title {
                font-size: clamp(1.65rem, 7vw, 2.6rem);
            }

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

            .btn-header {
                display: none;
            }

            .header-actions {
                gap: 6px;
            }

            .logo-text {
                font-size: 1.1rem;
            }

            .logo-text small {
                font-size: 0.55rem;
            }

            .site-footer {
                padding-top: 38px;
            }
        }

        @media (max-width: 380px) {
            .logo-text small {
                display: none;
            }

            .logo-text {
                font-size: 1rem;
            }
        }

/* roulang page: category3 */
:root{
        --bg-main:#0A0F1E;
        --bg-deep:#060914;
        --bg-card:rgba(255,255,255,.04);
        --bg-card-soft:rgba(255,255,255,.028);
        --border:rgba(255,255,255,.10);
        --border-soft:rgba(255,255,255,.06);
        --border-light:rgba(255,255,255,.16);
        --text-1:#EEF3FF;
        --text-2:#A6B0D3;
        --text-3:#5E6A8D;
        --primary:#1B6DFF;
        --cyan:#00D9FF;
        --purple:#8B7BFF;
        --amber:#FFB454;
        --danger:#FF5D7A;
        --radius-xs:8px;
        --radius-sm:10px;
        --radius-md:14px;
        --radius-lg:18px;
        --shadow-card:0 8px 30px rgba(0,0,0,.22);
        --transition:.19s ease;
        --font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }

    *,
    *::before,
    *::after{
        box-sizing:border-box;
    }
    html{
        scroll-behavior:smooth;
    }
    body{
        margin:0;
        background:var(--bg-main);
        color:var(--text-1);
        font-family:var(--font-family);
        font-size:15px;
        line-height:1.75;
        -webkit-font-smoothing:antialiased;
    }
    a{
        color:inherit;
        text-decoration:none;
        transition:color .19s ease;
    }
    img{
        max-width:100%;
        display:block;
    }
    button{
        font-family:inherit;
    }
    input,
    textarea{
        font-family:inherit;
    }

    .container{
        width:100%;
        max-width:1200px;
        margin:0 auto;
        padding-left:24px;
        padding-right:24px;
    }

    /* 按钮系统 */
    .btn{
        display:inline-flex;
        align-items:center;
        justify-content:center;
        gap:8px;
        height:44px;
        padding:0 22px;
        border-radius:10px;
        border:1px solid transparent;
        font-size:15px;
        font-weight:600;
        cursor:pointer;
        white-space:nowrap;
        transition:transform .19s ease,box-shadow .19s ease,background .19s ease,border-color .19s ease,color .19s ease;
        user-select:none;
    }
    .btn:focus-visible{
        outline:2px solid var(--cyan);
        outline-offset:3px;
    }
    .btn-sm{
        height:38px;
        padding:0 16px;
        font-size:14px;
        border-radius:9px;
    }
    .btn-primary{
        background:linear-gradient(135deg,#1B6DFF 0%,#00D9FF 100%);
        color:#fff;
        box-shadow:0 8px 26px rgba(27,109,255,.24),inset 0 1px 0 rgba(255,255,255,.28);
    }
    .btn-primary:hover{
        transform:translateY(-2px);
        box-shadow:0 10px 30px rgba(0,217,255,.28),inset 0 1px 0 rgba(255,255,255,.35);
    }
    .btn-primary:active{
        transform:translateY(0);
    }
    .btn-ghost{
        background:rgba(255,255,255,.05);
        border-color:rgba(255,255,255,.16);
        color:var(--text-1);
    }
    .btn-ghost:hover{
        background:rgba(255,255,255,.09);
        border-color:rgba(255,255,255,.28);
    }
    .btn-ghost:active{
        background:rgba(255,255,255,.04);
    }
    .btn-header{
        background:linear-gradient(135deg,#1B6DFF,#00D9FF);
    }

    /* 导航 */
    .main-header{
        position:sticky;
        top:0;
        z-index:60;
        height:74px;
        background:rgba(10,15,30,.74);
        backdrop-filter:blur(18px);
        -webkit-backdrop-filter:blur(18px);
        border-bottom:1px solid rgba(255,255,255,.06);
        transition:background .19s ease,box-shadow .19s ease;
    }
    .main-header.scrolled{
        background:rgba(6,9,20,.88);
        box-shadow:0 12px 36px rgba(0,0,0,.32);
    }
    .header-inner{
        display:flex;
        align-items:center;
        gap:24px;
        height:74px;
    }
    .logo-link{
        display:inline-flex;
        align-items:center;
        gap:10px;
        flex-shrink:0;
    }
    .logo-mark{
        width:36px;
        height:36px;
        display:inline-flex;
        align-items:center;
        justify-content:center;
        color:#fff;
        background:linear-gradient(135deg,#1B6DFF,#00D9FF);
        border-radius:10px;
        box-shadow:0 0 16px rgba(0,217,255,.35);
    }
    .logo-text{
        display:flex;
        flex-direction:column;
        font-size:18px;
        font-weight:700;
        color:var(--text-1);
        letter-spacing:.02em;
        line-height:1.2;
    }
    .logo-text small{
        font-size:10px;
        letter-spacing:.35em;
        color:var(--text-2);
        margin-top:3px;
        font-weight:500;
    }
    .nav-links{
        display:flex;
        list-style:none;
        margin:0;
        padding:0;
        gap:6px;
        flex:1;
    }
    .nav-links .nav-link{
        display:inline-flex;
        align-items:center;
        padding:8px 16px;
        border-radius:999px;
        border:1px solid transparent;
        color:var(--text-2);
        font-weight:500;
        white-space:nowrap;
        transition:color .19s ease,background .19s ease,border-color .19s ease;
    }
    .nav-links .nav-link:hover{
        color:var(--text-1);
        background:rgba(255,255,255,.05);
    }
    .nav-links .nav-link.active{
        color:#fff;
        background:rgba(255,255,255,.08);
        border-color:rgba(0,217,255,.28);
        box-shadow:0 0 14px rgba(0,217,255,.08);
    }
    .header-actions{
        display:flex;
        align-items:center;
        gap:8px;
        flex-shrink:0;
    }
    .search-box{
        position:relative;
        margin-right:6px;
    }
    .search-box input{
        width:180px;
        height:38px;
        padding:0 14px 0 36px;
        color:var(--text-1);
        background:rgba(255,255,255,.06);
        border:1px solid rgba(255,255,255,.10);
        border-radius:999px;
        font-size:14px;
        outline:none;
        transition:all .19s ease;
    }
    .search-box input:focus{
        border-color:rgba(0,217,255,.55);
        box-shadow:0 0 0 3px rgba(0,217,255,.12);
        width:200px;
    }
    .search-box input::-webkit-input-placeholder{
        color:#6E7AA9;
    }
    .search-box svg{
        position:absolute;
        left:13px;
        top:50%;
        transform:translateY(-50%);
        color:var(--text-2);
        pointer-events:none;
    }
    .nav-toggle{
        display:none;
    }
    .mobile-menu{
        display:none;
    }

    /* 分类页 hero */
    .cat-hero{
        position:relative;
        padding:76px 0 52px;
        background:
            linear-gradient(113deg,rgba(6,9,20,.94) 0%,rgba(6,9,20,.80) 45%,rgba(10,15,30,.62) 100%),
            url('/assets/images/backpic/back-1.png') center/cover no-repeat,
            #0A0F1E;
        border-bottom:1px solid rgba(255,255,255,.06);
        overflow:hidden;
    }
    .cat-hero::after{
        content:"";
        position:absolute;
        right:-180px;
        top:-180px;
        width:460px;
        height:460px;
        border-radius:50%;
        background:radial-gradient(circle,rgba(0,217,255,.14),transparent 68%);
        pointer-events:none;
    }
    .breadcrumb{
        display:flex;
        align-items:center;
        gap:8px;
        font-size:13px;
        color:var(--text-2);
        margin-bottom:24px;
        position:relative;
        z-index:2;
    }
    .breadcrumb a{
        color:var(--text-3);
        transition:color .19s ease;
    }
    .breadcrumb a:hover{
        color:var(--cyan);
    }
    .cat-hero-inner{
        position:relative;
        z-index:2;
        max-width:1000px;
    }
    .cat-hero h1{
        font-size:clamp(1.9rem,4.6vw,3.3rem);
        line-height:1.22;
        margin:0 0 16px;
        font-weight:800;
        letter-spacing:-.02em;
    }
    .cat-hero h1 span{
        background:linear-gradient(90deg,#1B6DFF,#00D9FF);
        -webkit-background-clip:text;
        background-clip:text;
        color:transparent;
    }
    .cat-hero-desc{
        font-size:16px;
        line-height:1.85;
        color:var(--text-2);
        max-width:680px;
        margin:0 0 30px;
    }
    .hero-keywords{
        display:flex;
        flex-wrap:wrap;
        gap:10px;
        margin-top:8px;
    }
    .hero-keywords span{
        display:inline-flex;
        align-items:center;
        min-height:28px;
        padding:0 12px;
        border:1px solid rgba(255,255,255,.12);
        border-radius:999px;
        font-size:12.5px;
        color:var(--text-2);
        background:rgba(255,255,255,.04);
    }
    .hero-actions{
        display:flex;
        flex-wrap:wrap;
        gap:12px;
        align-items:center;
        margin-top:28px;
    }

    /* 内容区域板块 */
    .section{
        padding:76px 0;
    }
    .section-deep{
        background:var(--bg-deep);
        border-top:1px solid rgba(255,255,255,.05);
        border-bottom:1px solid rgba(255,255,255,.05);
    }
    .section-head{
        display:flex;
        align-items:flex-end;
        justify-content:space-between;
        gap:20px;
        margin-bottom:34px;
    }
    .section-head h2{
        font-size:clamp(1.5rem,2.8vw,2.1rem);
        margin:0;
        line-height:1.3;
        font-weight:750;
    }
    .section-eyebrow{
        display:inline-flex;
        align-items:center;
        gap:6px;
        font-size:12px;
        color:var(--cyan);
        letter-spacing:.16em;
        text-transform:uppercase;
        margin-bottom:10px;
    }
    .section-extra{
        color:var(--text-2);
        font-size:14px;
    }

    /* 分类页主体：左主内容 + 右目录 */
    .info-layout{
        display:grid;
        grid-template-columns:minmax(0,1fr) 330px;
        gap:32px;
        align-items:start;
    }
    .info-split{
        padding:68px 0 44px;
    }
    .split-main{
        display:flex;
        flex-direction:column;
        gap:28px;
    }
    .feature-row{
        display:grid;
        grid-template-columns:270px minmax(0,1fr);
        border:1px solid var(--border-soft);
        border-radius:var(--radius-lg);
        background:linear-gradient(145deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
        overflow:hidden;
        box-shadow:var(--shadow-card);
        transition:transform .19s ease,border-color .19s ease,box-shadow .19s ease;
    }
    .feature-row:hover{
        transform:translateY(-3px);
        border-color:rgba(0,217,255,.22);
        box-shadow:0 12px 36px rgba(0,0,0,.32),0 0 20px rgba(0,217,255,.06);
    }
    .feature-media{
        position:relative;
        min-height:200px;
        overflow:hidden;
    }
    .feature-media img{
        width:100%;
        height:100%;
        object-fit:cover;
    }
    .feature-body{
        padding:26px 28px;
        display:flex;
        flex-direction:column;
    }
    .feature-tags{
        display:flex;
        gap:8px;
        flex-wrap:wrap;
        margin-bottom:12px;
    }
    .tag{
        display:inline-flex;
        align-items:center;
        min-height:24px;
        padding:2px 10px;
        border-radius:999px;
        background:rgba(139,123,255,.16);
        border:1px solid rgba(139,123,255,.15);
        font-size:12px;
        color:#C8C0FF;
        font-weight:500;
    }
    .tag-cyan{
        background:rgba(0,217,255,.12);
        border-color:rgba(0,217,255,.18);
        color:#A4E9F8;
    }
    .tag-amber{
        background:rgba(255,180,84,.12);
        border-color:rgba(255,180,84,.20);
        color:#FFD9A1;
    }
    .feature-body h3{
        font-size:20px;
        line-height:1.36;
        margin:0 0 10px;
        font-weight:700;
        color:var(--text-1);
    }
    .feature-body p{
        color:var(--text-2);
        margin:0 0 18px;
        font-size:14.5px;
        line-height:1.85;
        flex:1;
    }
    .feature-link{
        display:inline-flex;
        align-items:center;
        gap:5px;
        font-size:14px;
        color:var(--cyan);
        font-weight:600;
    }
    .feature-link:hover{
        color:#fff;
    }

    /* 右侧栏 */
    .side-panel{
        position:sticky;
        top:98px;
        display:flex;
        flex-direction:column;
        gap:18px;
    }
    .side-card{
        background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
        border:1px solid var(--border-soft);
        border-radius:var(--radius-md);
        padding:22px;
        box-shadow:0 10px 28px rgba(0,0,0,.16);
    }
    .side-card h3{
        margin:0 0 14px;
        font-size:15px;
        font-weight:700;
        padding-bottom:12px;
        border-bottom:1px solid var(--border-soft);
        display:flex;
        align-items:center;
        gap:8px;
    }
    .side-card h3 svg{
        color:var(--cyan);
    }
    .side-nav-list{
        list-style:none;
        margin:0;
        padding:0;
        display:flex;
        flex-direction:column;
        gap:3px;
    }
    .side-nav-list a{
        display:flex;
        align-items:center;
        justify-content:space-between;
        padding:9px 6px;
        border-radius:8px;
        color:var(--text-2);
        font-size:14px;
        transition:background .19s ease,color .19s ease;
    }
    .side-nav-list a:hover{
        background:rgba(255,255,255,.05);
        color:#fff;
    }
    .side-nav-list a .arrow{
        color:var(--text-3);
        opacity:0;
        transform:translateX(-4px);
        transition:all .19s ease;
    }
    .side-nav-list a:hover .arrow{
        opacity:1;
        transform:translateX(0);
        color:var(--cyan);
    }
    .side-tip{
        margin-top:14px;
        padding:13px 15px;
        border-left:3px solid var(--amber);
        background:rgba(255,180,84,.06);
        border-radius:0 8px 8px 0;
        color:var(--text-2);
        font-size:13px;
        line-height:1.8;
    }
    .rule-list{
        margin:0;
        padding:0;
        list-style:none;
        display:flex;
        flex-direction:column;
        gap:11px;
    }
    .rule-list li{
        position:relative;
        padding-left:24px;
        color:var(--text-2);
        font-size:13.5px;
        line-height:1.7;
    }
    .rule-list li::before{
        content:"";
        position:absolute;
        left:0;
        top:7px;
        width:7px;
        height:7px;
        border-radius:50%;
        background:linear-gradient(135deg,var(--cyan),var(--primary));
    }

    /* 领取步骤 */
    .steps-grid{
        display:grid;
        grid-template-columns:repeat(4,1fr);
        gap:22px;
    }
    .step-item{
        position:relative;
        padding:28px 22px 22px;
        background:linear-gradient(165deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
        border:1px solid var(--border-soft);
        border-radius:var(--radius-md);
        box-shadow:0 8px 28px rgba(0,0,0,.16);
        transition:transform .19s ease,border-color .19s ease;
    }
    .step-item:hover{
        transform:translateY(-4px);
        border-color:rgba(0,217,255,.22);
    }
    .step-num{
        font-family:"DIN Alternate","Bahnschrift",monospace;
        font-size:38px;
        line-height:1;
        font-weight:700;
        background:linear-gradient(135deg,#1B6DFF,#00D9FF);
        -webkit-background-clip:text;
        background-clip:text;
        color:transparent;
        letter-spacing:.04em;
        margin-bottom:16px;
    }
    .step-item h3{
        margin:0 0 8px;
        font-size:16px;
        font-weight:700;
        color:var(--text-1);
    }
    .step-item p{
        margin:0;
        font-size:13.5px;
        color:var(--text-2);
        line-height:1.75;
    }

    /* FAQ */
    .faq-cols{
        display:grid;
        grid-template-columns:340px minmax(0,1fr);
        gap:52px;
        align-items:start;
    }
    .faq-left h2{
        margin:0 0 14px;
        font-size:clamp(1.5rem,2.6vw,2.1rem);
        line-height:1.35;
        font-weight:750;
    }
    .faq-left p{
        color:var(--text-2);
        font-size:14.5px;
        line-height:1.8;
        margin:0 0 20px;
    }
    .faq-list{
        display:flex;
        flex-direction:column;
        gap:12px;
    }
    .faq-item{
        background:linear-gradient(160deg,rgba(255,255,255,.04),rgba(255,255,255,.012));
        border:1px solid rgba(255,255,255,.08);
        border-radius:14px;
        overflow:hidden;
        transition:border-color .19s ease,background .19s ease;
    }
    .faq-item.open{
        border-color:rgba(0,217,255,.28);
        background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
    }
    .faq-question{
        display:flex;
        align-items:center;
        justify-content:space-between;
        gap:20px;
        width:100%;
        padding:18px 22px;
        background:transparent;
        border:0;
        cursor:pointer;
        color:var(--text-1);
        font-size:15px;
        font-weight:600;
        text-align:left;
        min-height:56px;
        transition:color .19s ease;
    }
    .faq-question:hover{
        color:#fff;
    }
    .faq-arrow{
        width:28px;
        height:28px;
        flex-shrink:0;
        display:inline-flex;
        align-items:center;
        justify-content:center;
        border-radius:50%;
        border:1px solid rgba(255,255,255,.14);
        color:var(--text-2);
        transition:transform .19s ease,color .19s ease,border-color .19s ease;
    }
    .faq-item.open .faq-arrow{
        transform:rotate(180deg);
        color:var(--cyan);
        border-color:rgba(0,217,255,.4);
    }
    .faq-answer{
        max-height:0;
        overflow:hidden;
        transition:max-height .24s ease;
    }
    .faq-answer-inner{
        padding:0 22px 20px;
        color:var(--text-2);
        font-size:14px;
        line-height:1.8;   
    }

    /* CTA */
    .cta-area{
        padding:60px 0 70px;
    }
    .contact-wrap{
        position:relative;
        border-radius:24px;
        overflow:hidden;
        background:
            linear-gradient(100deg,rgba(6,9,20,.96) 0%,rgba(10,15,30,.90) 55%,rgba(16,32,64,.78)),
            url('/assets/images/backpic/back-3.webp') center/cover no-repeat,#0A0F1E;
        border:1px solid rgba(255,255,255,.10);
        box-shadow:0 20px 60px rgba(0,0,0,.36);
        isolation:isolate;
    }
    .contact-grid{
        display:grid;
        grid-template-columns:1fr 1fr;
        gap:0;
        align-items:stretch;
    }
    .contact-info{
        padding:44px 46px;
    }
    .contact-info h2{
        font-size:clamp(1.5rem,2.8vw,2rem);
        margin:0 0 20px;
        line-height:1.35;
    }
    .contact-info p{
        color:var(--text-2);
        font-size:15px;
        line-height:1.85;
        margin:0 0 26px;
    }
    .contact-chips{
        display:flex;
        flex-wrap:wrap;
        gap:10px;
    }
    .contact-chips span{
        display:inline-flex;
        align-items:center;
        gap:4px;
        padding:5px 12px;
        font-size:12.5px;
        color:var(--text-2);
        background:rgba(255,255,255,.05);
        border:1px solid rgba(255,255,255,.08);
        border-radius:999px;
    }
    .contact-form{
        background:rgba(3,6,14,.36);
        backdrop-filter:blur(8px);
        padding:44px 42px;
    }
    .form-group{
        margin-bottom:16px;
    }
    .form-group label{
        display:block;
        font-size:13px;
        color:var(--text-2);
        margin-bottom:6px;
    }
    .form-input{
        width:100%;
        height:46px;
        border-radius:10px;
        border:1px solid rgba(255,255,255,.12);
        background:rgba(255,255,255,.05);
        padding:0 15px;
        color:#fff;
        font-size:14px;
        outline:none;
        transition:border-color .19s ease,box-shadow .19s ease;
    }
    textarea.form-input{
        height:104px;
        padding:12px 15px;
        resize:vertical;
    }
    .form-input:focus{
        border-color:var(--cyan);
        box-shadow:0 0 0 3px rgba(0,217,255,.12);
    }
    .form-input::-webkit-input-placeholder{
        color:#6E7AA9;
    }
    .form-hint{
        margin-top:12px;
        font-size:12px;
        color:var(--text-3);
    }

    /* 页脚 */
    .site-footer{
        background:var(--bg-deep);
        border-top:1px solid rgba(255,255,255,.05);
        padding:62px 0 0;
    }
    .footer-inner{
        max-width:1200px;
        margin:0 auto;
        padding:0 24px;
    }
    .footer-grid{
        display:grid;
        grid-template-columns:1.6fr 1fr 1fr 1.5fr;
        gap:40px;
        padding-bottom:40px;
    }
    .footer-brand p{
        color:var(--text-2);
        font-size:14px;
        line-height:1.85;
        margin:16px 0 0;
    }
    .footer-col h4{
        color:var(--text-1);
        font-size:15px;
        margin:0 0 16px;
        font-weight:700;
    }
    .footer-col ul{
        list-style:none;
        margin:0;
        padding:0;
        display:flex;
        flex-direction:column;
        gap:10px;
    }
    .footer-col ul a{
        color:var(--text-2);
        font-size:14px;
        display:inline-block;
        padding:4px 0;
        transition:color .19s ease,transform .19s ease;
    }
    .footer-col ul a:hover{
        color:var(--cyan);
        transform:translateX(3px);
    }
    .footer-subscribe .form-input{
        width:100%;
        margin-bottom:10px;
    }
    .footer-copyright{
        display:flex;
        flex-wrap:wrap;
        align-items:center;
        justify-content:space-between;
        gap:14px;
        padding:20px 0 24px;
        border-top:1px solid rgba(255,255,255,.06);
        color:var(--text-3);
        font-size:13px;
    }
    .footer-domain{
        color:var(--text-2);
    }
    .footer-domain:hover{
        color:var(--cyan);
    }

    /* 窄描述标记 */
    .section-note{
        display:flex;
        align-items:center;
        gap:8px;
        font-size:13px;
        color:var(--text-2);
    }
    .dot{
        width:5px;
        height:5px;
        border-radius:50%;
        background:var(--cyan);
    }

    /* 响应式 */
    @media (max-width:1080px){
        .footer-grid{
            grid-template-columns:1fr 1fr;
            row-gap:34px;
        }
        .steps-grid{
            grid-template-columns:repeat(2,1fr);
        }
        .faq-cols{
            grid-template-columns:1fr;
            gap:34px;
        }
        .info-layout{
            grid-template-columns:1fr;
        }
        .side-panel{
            position:static;
            flex-direction:row;
            flex-wrap:wrap;
        }
        .side-card{
            flex:1;
            min-width:260px;
        }
    }
    @media (max-width:960px){
        .header-inner{
            gap:12px;
        }
        .nav-links{
            order:3;
            width:100%;
            position:absolute;
            top:100%;
            left:0;
            flex-direction:column;
            background:rgba(6,9,20,.97);
            padding:16px 20px;
            display:none;
            border-bottom:1px solid rgba(255,255,255,.08);
        }
        body.nav-open .nav-links{
            display:flex;
        }
        .nav-toggle{
            display:inline-flex;
        }
        .search-box{
            display:none;
        }
        .header-actions .btn-ghost{
            display:none;
        }
        .contact-grid{
            grid-template-columns:1fr;
        }
        .login-label{
            display:inline-flex;
        }
    }
    @media (max-width:760px){
        .footer-grid{
            grid-template-columns:1fr;
        }
        .cat-hero{
            padding:46px 0 40px;
        }
        .section{
            padding:50px 0;
        }
        .feature-row{
            display:grid;
            grid-template-columns:1fr;
        }
        .feature-media{
            min-height:190px;
        }
        .contact-info,.contact-form{
            padding:30px 24px;
        }
        .steps-grid{
            grid-template-columns:1fr;
        }
    }
    @media (max-width:559px){
        .container{
            padding-left:16px;
            padding-right:16px;
        }
        .hero-actions .btn{
            flex:1;
            justify-content:center;
        }
        .logo-text{
            font-size:16px;
        }
        .logo-text small{
            display:none;
        }
        .btn-header{
            padding:0 12px;
            font-size:13px;
            height:36px;
        }
        .contact-info h2{
            font-size:20px;
        }
        .footer-copyright{
            flex-direction:column;
            align-items:flex-start;
        }
    }

/* roulang page: category2 */
:root {
            --primary: #1B6DFF;
            --secondary: #00D9FF;
            --purple: #8B7BFF;
            --amber: #FFB454;
            --bg: #0A0F1E;
            --bg-deep: #060914;
            --text: #EEF3FF;
            --text-secondary: #A6B0D3;
            --muted: #5E6A8D;
            --border: rgba(255, 255, 255, 0.10);
            --border-soft: rgba(255, 255, 255, 0.06);
            --glass: rgba(255, 255, 255, 0.04);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.22);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.75;
            overflow-x: hidden;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input {
            font-family: inherit;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input::placeholder {
            color: #6E7AA9;
        }

        .container {
            width: min(100% - 2rem, 1200px);
            margin-inline: auto;
        }

        @media (min-width: 768px) {
            .container {
                width: min(100% - 4rem, 1200px);
            }
        }

        .main-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(6, 9, 20, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-soft);
        }

        .main-header.menu-open {
            background: rgba(6, 9, 20, 0.96);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            min-height: 72px;
        }

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

        .logo-mark {
            width: 36px;
            height: 36px;
            display: grid;
            place-items: center;
            border-radius: 10px;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            box-shadow: 0 0 20px rgba(0, 217, 255, 0.28);
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: 0.3px;
            color: #fff;
        }

        .logo-text small {
            display: block;
            font-size: 10px;
            font-weight: 500;
            color: #8C9AC8;
            letter-spacing: 1.8px;
            margin-top: 2px;
        }

        .nav-links {
            display: none;
            list-style: none;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: #C2CBEA;
            border: 1px solid transparent;
            transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }

        .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(0, 217, 255, 0.26);
            box-shadow: 0 0 0 1px rgba(0, 217, 255, 0.06), 0 0 18px rgba(0, 217, 255, 0.08);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .search-box {
            position: relative;
            display: none;
            align-items: center;
            width: 190px;
        }

        .search-box input {
            width: 100%;
            height: 38px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 0 12px 0 36px;
            color: #fff;
            font-size: 14px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
        }

        .search-box input:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.14);
            background: rgba(255, 255, 255, 0.06);
        }

        .search-box svg {
            position: absolute;
            left: 13px;
            pointer-events: none;
            color: var(--text-secondary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            padding: 10px 20px;
            border: 1px solid transparent;
            background: rgba(255, 255, 255, 0.04);
            color: #fff;
            transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, filter 0.2s ease;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn:hover {
            transform: translateY(-1px);
        }

        .btn:active {
            transform: translateY(0);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 14px;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #3E9CFF);
            border-color: rgba(255, 255, 255, 0.12);
            box-shadow: 0 6px 18px rgba(27, 109, 255, 0.32);
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: 0 8px 24px rgba(0, 217, 255, 0.32);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.14);
            color: #F0F4FF;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.30);
        }

        .btn-header {
            background: linear-gradient(135deg, var(--primary), #3E9CFF);
            box-shadow: 0 4px 14px rgba(27, 109, 255, 0.28);
        }

        .btn-secondary {
            background: rgba(0, 217, 255, 0.12);
            border-color: rgba(0, 217, 255, 0.32);
            color: #DDFCFF;
        }

        .btn-secondary:hover {
            background: rgba(0, 217, 255, 0.18);
            border-color: rgba(0, 217, 255, 0.55);
            box-shadow: 0 0 18px rgba(0, 217, 255, 0.14);
        }

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

        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease;
        }

        .mobile-menu.open {
            display: flex;
            max-height: 520px;
            padding-bottom: 20px;
        }

        .mobile-menu a {
            display: block;
            padding: 13px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: #C2CBEA;
            font-weight: 600;
            font-size: 15px;
        }

        .mobile-menu a.active {
            color: var(--secondary);
        }

        .mobile-menu .mobile-search {
            padding: 14px 0 4px;
        }

        .mobile-menu .mobile-search input {
            width: 100%;
            height: 40px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 0 16px;
            color: #fff;
            font-size: 14px;
        }

        .cat-hero {
            position: relative;
            padding: 76px 0 48px;
            background: var(--bg-deep);
            overflow: hidden;
        }

        .cat-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.36;
            z-index: 0;
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(100deg, rgba(6, 9, 20, 0.97) 0%, rgba(10, 15, 30, 0.62) 66%, rgba(10, 15, 30, 0.40) 100%);
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            width: 480px;
            height: 480px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 217, 255, 0.13) 0%, transparent 70%);
            top: -160px;
            right: -80px;
            z-index: 1;
            pointer-events: none;
        }

        .cat-hero-inner {
            position: relative;
            z-index: 2;
        }

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

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.64);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .hero-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: #C8F6FF;
            background: rgba(0, 217, 255, 0.1);
            border: 1px solid rgba(0, 217, 255, 0.24);
            border-radius: 999px;
            padding: 6px 14px;
            margin-bottom: 20px;
            letter-spacing: 0.4px;
        }

        .cat-hero h1 {
            font-size: clamp(2.1rem, 4.6vw, 3.4rem);
            line-height: 1.18;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: #fff;
        }

        .text-gradient {
            background: linear-gradient(100deg, #fff 0%, #8FD8FF 50%, var(--secondary) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .cat-hero p {
            max-width: 680px;
            font-size: 17px;
            color: #C8D3F0;
            margin-bottom: 28px;
        }

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

        .hero-metrics {
            margin-top: 40px;
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 14px;
            max-width: 700px;
        }

        .hero-metric {
            border-left: 2px solid rgba(0, 217, 255, 0.45);
            padding-left: 12px;
        }

        .hero-metric strong {
            display: block;
            color: #fff;
            font-size: 15px;
            font-weight: 700;
        }

        .hero-metric span {
            display: block;
            color: var(--text-secondary);
            font-size: 13px;
            margin-top: 2px;
        }

        .section-block {
            padding: clamp(54px, 8vw, 88px) 0;
        }

        .section-content {
            padding: clamp(54px, 8vw, 88px) 0 20px;
        }

        .section-heading {
            margin-bottom: 34px;
        }

        .section-heading h2 {
            font-size: clamp(1.45rem, 2.6vw, 2.1rem);
            line-height: 1.3;
            color: #fff;
            font-weight: 700;
            margin-top: 6px;
            letter-spacing: -0.2px;
        }

        .section-heading p {
            color: var(--text-secondary);
            max-width: 640px;
            margin-top: 10px;
        }

        .section-heading.center {
            text-align: center;
            max-width: 720px;
            margin-inline: auto;
        }

        .section-heading.center p {
            margin-inline: auto;
        }

        .eyebrow {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 2px;
            font-weight: 600;
            color: var(--secondary);
            text-transform: uppercase;
        }

        .glass-card {
            position: relative;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018));
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .glass-card:hover {
            transform: translateY(-2px);
            border-color: rgba(0, 217, 255, 0.30);
            box-shadow: 0 12px 34px rgba(0, 0, 0, 0.28);
        }

        .media-frame {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            background: var(--bg-deep);
            min-height: 200px;
        }

        .media-frame img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.25s ease;
        }

        .media-frame:hover img {
            transform: scale(1.01);
        }

        .check-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
            display: grid;
            gap: 10px;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: #D7DEFF;
            font-size: 15px;
        }

        .check-list li svg {
            flex-shrink: 0;
            width: 17px;
            height: 17px;
            color: var(--secondary);
            margin-top: 4px;
        }

        .stage-list {
            display: grid;
            gap: 14px;
            margin-top: 12px;
        }

        .stage-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 22px 24px;
            border-radius: var(--radius-lg);
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.018));
            border: 1px solid rgba(255, 255, 255, 0.10);
            transition: border-color 0.2s ease, background 0.2s ease;
        }

        .stage-item:hover {
            border-color: rgba(0, 217, 255, 0.30);
            background: rgba(255, 255, 255, 0.05);
        }

        .stage-num {
            font-family: "DIN Alternate", "Bahnschrift", sans-serif;
            font-size: 18px;
            font-weight: 700;
            color: var(--secondary);
            width: 34px;
            height: 34px;
            display: grid;
            place-items: center;
            border-radius: 50%;
            background: rgba(0, 217, 255, 0.10);
            border: 1px solid rgba(0, 217, 255, 0.22);
            flex-shrink: 0;
        }

        .stage-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .stage-item p {
            color: var(--text-secondary);
            font-size: 14.5px;
            margin: 0;
        }

        .type-card {
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding: 26px 24px;
            border-radius: var(--radius-lg);
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
            border: 1px solid rgba(255, 255, 255, 0.10);
            transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
            height: 100%;
        }

        .type-card:hover {
            border-color: rgba(0, 217, 255, 0.35);
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
        }

        .type-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: grid;
            place-items: center;
            color: #fff;
            background: linear-gradient(135deg, rgba(27, 109, 255, 0.35), rgba(0, 217, 255, 0.22));
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .type-card h3 {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
        }

        .type-card p {
            color: var(--text-secondary);
            font-size: 14.5px;
            margin: 0;
        }

        .type-card .type-tag {
            margin-top: auto;
            font-size: 12px;
            color: #A8DDFF;
            background: rgba(0, 217, 255, 0.08);
            border: 1px solid rgba(0, 217, 255, 0.15);
            align-self: flex-start;
            padding: 4px 10px;
            border-radius: 999px;
        }

        .sidebar-sticky {
            position: relative;
        }

        @media (min-width: 1024px) {
            .sidebar-sticky {
                position: sticky;
                top: 96px;
            }
        }

        .side-card {
            padding: 22px;
            border-radius: var(--radius-lg);
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
            border: 1px solid var(--border);
        }

        .side-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .toc-links {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .toc-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14.5px;
            padding: 10px 8px;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: color 0.2s ease, background 0.2s ease;
        }

        .toc-links a:hover {
            color: #fff;
            background: rgba(0, 217, 255, 0.05);
        }

        .toc-links a i {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: rgba(0, 217, 255, 0.6);
            display: inline-block;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud span {
            display: inline-flex;
            align-items: center;
            font-size: 13px;
            color: #B8C4F0;
            padding: 5px 12px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.10);
        }

        .side-action p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 16px;
        }

        .section-flow {
            background: rgba(255, 255, 255, 0.015);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(1, minmax(0, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        @media (min-width: 640px) {
            .process-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
        }

        @media (min-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(4, minmax(0, 1fr));
            }
        }

        .process-item {
            padding: 24px 22px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid var(--border);
        }

        .process-item:hover {
            border-color: rgba(0, 217, 255, 0.25);
            background: rgba(255, 255, 255, 0.05);
        }

        .process-num {
            font-family: "DIN Alternate", "Bahnschrift", sans-serif;
            font-size: 30px;
            line-height: 1;
            font-weight: 700;
            color: transparent;
            -webkit-text-stroke: 1px rgba(0, 217, 255, 0.7);
            background: linear-gradient(180deg, rgba(0, 217, 255, 0.8), rgba(0, 217, 255, 0.2));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .process-item h3 {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            margin: 14px 0 6px;
        }

        .process-item p {
            color: var(--text-secondary);
            font-size: 14.5px;
            margin: 0;
        }

        .faq-section {
            padding: clamp(54px, 8vw, 88px) 0;
        }

        .faq-intro h2 {
            font-size: clamp(1.45rem, 2.6vw, 2.1rem);
            color: #fff;
            font-weight: 700;
            line-height: 1.32;
            margin-top: 6px;
        }

        .faq-intro p {
            margin-top: 14px;
            color: var(--text-secondary);
            max-width: 420px;
        }

        .faq-list {
            border-top: 1px solid var(--border);
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 0;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            transition: color 0.2s ease;
        }

        .faq-question:hover {
            color: #BDEFFF;
        }

        .faq-question .faq-num {
            font-family: "DIN Alternate", "Bahnschrift", sans-serif;
            color: var(--secondary);
            font-size: 13px;
            width: 26px;
            height: 26px;
            display: grid;
            place-items: center;
            border-radius: 50%;
            background: rgba(0, 217, 255, 0.06);
            border: 1px solid rgba(0, 217, 255, 0.18);
            flex-shrink: 0;
        }

        .faq-question svg {
            margin-left: auto;
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            color: var(--text-secondary);
            transition: transform 0.25s ease, color 0.2s ease;
        }

        .faq-item.active .faq-question {
            color: #fff;
        }

        .faq-item.active .faq-question svg {
            transform: rotate(180deg);
            color: var(--secondary);
        }

        .faq-item.active .faq-question {
            background: rgba(0, 217, 255, 0.045);
            border-radius: 10px;
            padding-left: 8px;
            padding-right: 8px;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.28s ease;
        }

        .faq-answer-inner {
            padding: 0 0 20px 40px;
            color: #A9B8E0;
            font-size: 15px;
        }

        .cta-section {
            padding: clamp(40px, 6vw, 70px) 0 90px;
        }

        .cta-panel {
            position: relative;
            overflow: hidden;
            padding: 40px;
            border-radius: 22px;
            background: linear-gradient(120deg, rgba(6, 9, 20, 0.92), rgba(10, 15, 30, 0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border: 1px solid rgba(255, 255, 255, 0.10);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }

        .cta-copy h2 {
            color: #fff;
            font-size: clamp(1.4rem, 2.4vw, 2rem);
            font-weight: 700;
            line-height: 1.3;
        }

        .cta-copy p {
            color: var(--text-secondary);
            margin-top: 8px;
            max-width: 560px;
            font-size: 15px;
        }

        .cta-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            flex-shrink: 0;
        }

        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 58px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 34px;
            margin-bottom: 40px;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            }
        }

        .footer-brand p {
            color: #8190B8;
            font-size: 14px;
            max-width: 280px;
            margin-top: 10px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 8px;
        }

        .footer-col li a,
        .footer-col li {
            color: #8190B8;
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .footer-col li a:hover {
            color: var(--secondary);
        }

        .form-input {
            width: 100%;
            height: 40px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 0 14px;
            color: #fff;
            font-size: 14px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .form-input:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.14);
            outline: none;
        }

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

        .footer-copyright {
            display: flex;
            flex-direction: column;
            gap: 6px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            color: #63739E;
            font-size: 13px;
        }

        .footer-domain {
            color: #8FA0C8;
        }

        .footer-domain:hover {
            color: var(--secondary);
        }

        @media (max-width: 520px) {
            .header-inner {
                gap: 8px;
            }
            .logo-text {
                font-size: 18px;
            }
            .logo-text small {
                display: none;
            }
            .cat-hero {
                padding: 56px 0 36px;
            }
            .cat-hero p {
                font-size: 15.5px;
            }
            .hero-metrics {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .cta-panel {
                padding: 30px 22px;
            }
            .stage-item {
                padding: 18px;
            }
            .faq-question {
                font-size: 15px;
            }
            .faq-answer-inner {
                padding-left: 24px;
            }
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
            .search-box {
                display: flex;
            }
            .nav-toggle {
                display: none;
            }
        }

        .aspect-wide {
            aspect-ratio: 16/9;
        }

        .text-secondary {
            color: var(--text-secondary);
        }