/* roulang page: index */
:root {
            --bg-primary: #0B1020;
            --bg-card: #0F1628;
            --bg-footer: #080D18;
            --bg-input: #0D1428;
            --text-primary: #E8ECF4;
            --text-secondary: #93A5C0;
            --text-muted: #5B6880;
            --accent-gold: #E2A45A;
            --accent-gold-hover: #f0b56e;
            --accent-teal: #4FA9A0;
            --status-green: #37B87A;
            --error-red: #E26A5A;
            --border-card: rgba(255, 255, 255, 0.06);
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-badge: 999px;
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.45);
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--accent-gold-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 96px 0;
        }
        .section-head {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .section-tag .star {
            font-size: 14px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-gold {
            background: var(--accent-gold);
            color: #1a1206;
            border: 1px solid var(--accent-gold);
        }
        .btn-gold:hover {
            background: var(--accent-gold-hover);
            color: #1a1206;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(226, 164, 90, 0.25);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(232, 236, 244, 0.4);
        }
        .btn-outline:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            transform: translateY(-2px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            font-size: 13px;
            font-weight: 500;
            background: rgba(79, 169, 160, 0.12);
            color: var(--accent-teal);
            border: 1px solid rgba(79, 169, 160, 0.3);
        }
        .badge-gold {
            background: rgba(226, 164, 90, 0.1);
            color: var(--accent-gold);
            border: 1px solid rgba(226, 164, 90, 0.3);
        }
        .badge-green {
            background: rgba(55, 184, 122, 0.12);
            color: var(--status-green);
            border: 1px solid rgba(55, 184, 122, 0.3);
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }
        .card:hover {
            border-color: rgba(226, 164, 90, 0.55);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 16, 32, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }
        .site-logo .logo-icon {
            flex-shrink: 0;
        }
        .site-logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .site-logo .logo-text strong {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }
        .site-logo .logo-text small {
            font-size: 11px;
            color: var(--accent-gold);
            letter-spacing: 0.18em;
            text-transform: uppercase;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }
        .main-nav a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            color: var(--text-secondary);
            text-decoration: none;
            border-radius: 6px;
            transition: all 0.2s ease;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: width 0.25s ease;
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 24px;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .status-pill {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 5px 14px;
            border-radius: var(--radius-badge);
            background: rgba(55, 184, 122, 0.08);
            border: 1px solid rgba(55, 184, 122, 0.25);
            font-size: 13px;
            color: var(--status-green);
            white-space: nowrap;
        }
        .status-pill .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--status-green);
            position: relative;
        }
        .status-pill .dot::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 2px solid rgba(55, 184, 122, 0.4);
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% {
                transform: scale(0.8);
                opacity: 1;
            }
            70% {
                transform: scale(1.4);
                opacity: 0;
            }
            100% {
                opacity: 0;
            }
        }
        .countdown-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 5px 14px;
            border-radius: var(--radius-badge);
            background: #0d1117;
            border: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .countdown-pill i {
            color: var(--accent-gold);
            font-size: 12px;
        }
        .countdown-pill .time {
            font-family: monospace;
            font-variant-numeric: tabular-nums;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--accent-gold);
        }
        .header-cta {
            padding: 8px 20px;
            font-size: 14px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .hamburger span {
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: var(--bg-primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 99;
            padding: 16px 24px 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        }
        .mobile-nav.open {
            display: block;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            text-decoration: none;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .mobile-nav a.active {
            color: var(--accent-gold);
        }
        .hero {
            position: relative;
            padding: 120px 0 100px;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 16, 32, 0.95) 20%, rgba(11, 16, 32, 0.8) 60%, rgba(11, 16, 32, 0.6) 100%);
            z-index: 0;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(232, 236, 244, 0.06) 1px, transparent 1px);
            background-size: 28px 28px;
            z-index: 1;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-grid {
            display: flex;
            align-items: center;
            gap: 60px;
        }
        .hero-left {
            flex: 1.2;
        }
        .hero-right {
            flex: 1;
            position: relative;
        }
        .hero-right .orbit {
            position: absolute;
            top: 50%;
            left: 50%;
            width: 120%;
            height: 120%;
            transform: translate(-50%, -50%);
            pointer-events: none;
        }
        .hero-right img {
            border-radius: var(--radius-card);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(226, 164, 90, 0.1);
            border: 1px solid rgba(226, 164, 90, 0.25);
            color: var(--accent-gold);
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }
        .hero h1 .gold {
            color: var(--accent-gold);
        }
        .hero .lead {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .hero-keywords {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-keywords .keyword-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            border: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 13px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.02);
        }
        .hero-keywords .keyword-pill .dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--accent-gold);
        }
        .stats {
            padding: 40px 0;
            background: var(--bg-card);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .stats-grid {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .stat-item {
            text-align: center;
            flex: 1;
            min-width: 140px;
            padding: 16px 12px;
        }
        .stat-item .num {
            font-size: 38px;
            font-weight: 800;
            color: var(--accent-gold);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }
        .stat-item .label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        .features {
            padding: 96px 0;
        }
        .feature-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 24px;
            margin-bottom: 24px;
        }
        .feature-large {
            padding: 32px;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .feature-large::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background: url('/assets/images/coverpic/cover-3.png') right center/cover no-repeat;
            opacity: 0.15;
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
        }
        .feature-large .card-body {
            position: relative;
            z-index: 1;
        }
        .feature-large h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .feature-large p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
            max-width: 70%;
        }
        .feature-large .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--accent-gold);
            text-decoration: none;
            font-weight: 600;
        }
        .feature-stacks {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .feature-half {
            flex: 1;
            padding: 24px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .feature-half .icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(226, 164, 90, 0.1);
            border: 1px solid rgba(226, 164, 90, 0.2);
            font-size: 20px;
            color: var(--accent-gold);
        }
        .feature-half h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .feature-half p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .feature-wide {
            padding: 28px;
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .feature-wide .icon {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(226, 164, 90, 0.1);
            border: 1px solid rgba(226, 164, 90, 0.2);
            font-size: 22px;
            color: var(--accent-gold);
        }
        .feature-wide h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .feature-wide p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .scenarios {
            padding: 96px 0;
            background: var(--bg-card);
        }
        .scenario-block {
            display: flex;
            align-items: center;
            gap: 60px;
            margin-bottom: 80px;
        }
        .scenario-block:last-child {
            margin-bottom: 0;
        }
        .scenario-block.reverse {
            flex-direction: row-reverse;
        }
        .scenario-img {
            flex: 1;
            position: relative;
        }
        .scenario-img img {
            border-radius: var(--radius-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
        }
        .scenario-img::after {
            content: '';
            position: absolute;
            border: 1px solid rgba(226, 164, 90, 0.2);
            border-radius: var(--radius-card);
            top: -12px;
            left: -12px;
            right: 12px;
            bottom: 12px;
            z-index: -1;
        }
        .scenario-text {
            flex: 1;
        }
        .scenario-text .tag {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-gold);
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }
        .scenario-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .scenario-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .scenario-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .scenario-text ul li {
            padding: 6px 0;
            font-size: 15px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .scenario-text ul li::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--accent-gold);
            border-radius: 2px;
            flex-shrink: 0;
            transform: rotate(45deg);
        }
        .cases {
            padding: 96px 0;
        }
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .case-card {
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .case-cover {
            height: 160px;
            overflow: hidden;
            position: relative;
        }
        .case-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .case-card:hover .case-cover img {
            transform: scale(1.04);
        }
        .case-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .case-body .meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }
        .case-body .meta .company {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .case-body .meta .industry {
            font-size: 12px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            padding: 3px 10px;
            border-radius: var(--radius-badge);
        }
        .case-body .result {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-gold);
            font-variant-numeric: tabular-nums;
            margin-bottom: 8px;
        }
        .case-body .quote {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
        }
        .pricing {
            padding: 96px 0;
            background: var(--bg-card);
        }
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: stretch;
        }
        .price-card {
            padding: 36px 30px;
            display: flex;
            flex-direction: column;
            position: relative;
            text-align: center;
        }
        .price-card.featured {
            border: 2px solid rgba(226, 164, 90, 0.5);
            transform: scale(1.04);
            background: linear-gradient(180deg, rgba(226, 164, 90, 0.04) 0%, rgba(11, 16, 32, 1) 60%);
        }
        .price-card.featured .featured-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent-gold);
            color: #1a1206;
            font-size: 12px;
            font-weight: 700;
            padding: 3px 16px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.04em;
        }
        .price-card .plan-name {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .price-card .price {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent-gold);
            font-variant-numeric: tabular-nums;
            line-height: 1.3;
            margin-bottom: 4px;
        }
        .price-card .price-period {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .price-card .desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .price-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
            text-align: left;
            flex: 1;
        }
        .price-card ul li {
            padding: 7px 0;
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .price-card ul li i {
            color: var(--accent-gold);
            font-size: 13px;
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }
        .price-card .btn {
            width: 100%;
        }
        .news {
            padding: 96px 0;
        }
        .news-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .news-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .news-links {
            display: flex;
            gap: 16px;
        }
        .news-links a {
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.2s;
    }
        .news-links a:hover {
            color: var(--accent-gold);
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .news-item {
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-item .badge {
            align-self: flex-start;
        }
        .news-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.6;
        }
        .news-item h3 a {
            color: inherit;
            text-decoration: none;
        }
        .news-item h3 a:hover {
            color: var(--accent-gold);
        }
        .news-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item time {
            font-size: 13px;
            color: var(--text-muted);
            font-variant-numeric: tabular-nums;
        }
        .empty-tip {
            text-align: center;
            padding: 48px 0;
            font-size: 16px;
            color: var(--text-muted);
        }
        .faq {
            padding: 96px 0;
            background: var(--bg-card);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-primary);
            border: 1px solid var(--border-card);
            border-radius: 12px;
            margin-bottom: 12px;
            transition: border-color 0.3s;
            overflow: hidden;
        }
        .faq-item.active {
            border-color: rgba(226, 164, 90, 0.4);
        }
        .faq-q {
            padding: 18px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            user-select: none;
        }
        .faq-q .icon {
            font-size: 18px;
            color: var(--accent-gold);
            transition: transform 0.3s;
            flex-shrink: 0;
        }
        .faq-item.active .faq-q .icon {
            transform: rotate(45deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 24px;
        }
        .faq-item.active .faq-a {
            max-height: 300px;
            padding-bottom: 20px;
        }
        .faq-a p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .cta {
            padding: 80px 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            position: relative;
            text-align: center;
        }
        .cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 16, 32, 0.92) 0%, rgba(11, 16, 32, 0.82) 100%);
        }
        .cta .container {
            position: relative;
            z-index: 1;
        }
        .cta h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .cta p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta .btn {
            font-size: 16px;
            padding: 14px 36px;
        }
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(226, 164, 90, 0.2);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .footer-brand .logo-text small {
            color: var(--accent-gold);
            font-size: 12px;
            letter-spacing: 0.14em;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            padding: 6px 0;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer-col ul a:hover {
            color: var(--accent-gold);
        }
        .footer-contact p {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 0;
            line-height: 1.7;
        }
        .footer-contact i {
            color: var(--accent-gold);
            width: 22px;
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }
        @media (max-width: 1024px) {
            .section {
                padding: 72px 0;
            }
            .hero {
                padding: 80px 0;
            }
            .hero-grid {
                flex-direction: column;
                gap: 40px;
            }
            .hero-left {
                text-align: center;
            }
            .hero .lead {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-cta {
                justify-content: center;
            }
            .hero-keywords {
                justify-content: center;
            }
            .feature-layout {
                grid-template-columns: 1fr;
            }
            .feature-row {
                grid-template-columns: 1fr;
            }
            .cases-grid {
                grid-template-columns: 1fr 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }
            .price-card.featured {
                transform: scale(1.02);
            }
            .scenario-block,
            .scenario-block.reverse {
                flex-direction: column;
                gap: 32px;
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-actions .status-pill,
            .header-actions .countdown-pill {
                display: none;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 640px) {
            .section {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .contain,
            .container {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero .lead {
                font-size: 15px;
            }
            .stats-grid {
                gap: 12px;
            }
            .stat-item .num {
                font-size: 28px;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .header-cta {
                display: none;
            }
            .feature-large {
                padding: 24px;
            }
            .feature-large p {
                max-width: 100%;
            }
            .feature-wide {
                flex-direction: column;
                text-align: center;
            }
            .scenario-text h3 {
                font-size: 20px;
            }
            .news-head {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta h2 {
                font-size: 24px;
            }
            .footer-grid {
                gap: 24px;
            }
            .countdown-pill .time {
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B1020;
            --bg-card: #0F1628;
            --bg-footer: #080D18;
            --bg-input: #0D1428;
            --text-primary: #E8ECF4;
            --text-secondary: #93A5C0;
            --text-muted: #5B6880;
            --accent-gold: #E2A45A;
            --accent-teal: #4FA9A0;
            --success: #37B87A;
            --danger: #E26A5A;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-hover: rgba(226, 164, 90, 0.55);
            --border-input: rgba(255, 255, 255, 0.12);
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-tag: 999px;
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.45);
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --space-desktop: 96px;
            --space-tablet: 72px;
            --space-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg-primary);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease;
        }

        a:hover,
        a:focus {
            color: var(--accent-gold);
        }

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

        ul {
            list-style: none;
        }

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

        .row {
            max-width: 1200px;
            margin: 0 auto;
        }

        .row .columns {
            padding-left: 15px;
            padding-right: 15px;
        }

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 16, 32, 0.92);
            border-bottom: 1px solid var(--border-subtle);
            backdrop-filter: blur(12px);
        }

        .header-inner {
            display: flex;
            align-items: center;
            height: 72px;
            gap: 24px;
            position: relative;
        }

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

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .logo-text strong {
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: 16px;
        }

        .main-nav a {
            position: relative;
            font-size: 15px;
            color: var(--text-secondary);
            padding: 8px 2px;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s ease;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold);
        }

        .main-nav a.active::after {
            width: 100%;
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
            flex-shrink: 0;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--success);
            border: 1px solid rgba(55, 184, 122, 0.3);
            background: rgba(55, 184, 122, 0.08);
            border-radius: var(--radius-tag);
            padding: 4px 14px;
            white-space: nowrap;
        }

        .status-badge i {
            font-size: 8px;
            animation: pulse 1.8s infinite;
        }

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

        .countdown {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #0D1428;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-tag);
            padding: 5px 14px;
            font-size: 13px;
            color: var(--text-primary);
            font-variant-numeric: tabular-nums;
            white-space: nowrap;
        }

        .countdown i {
            color: var(--accent-gold);
            font-size: 10px;
        }

        .mobile-down-bar {
            display: none;
            text-align: center;
            padding: 6px 24px;
            background: #0D1428;
            border-top: 1px solid var(--border-subtle);
            font-size: 13px;
            color: var(--text-primary);
            font-variant-numeric: tabular-nums;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.4px;
            transition: all 0.3s ease;
            cursor: pointer;
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent-gold);
            color: #0B1020;
        }

        .btn-primary:hover {
            background: #f0b170;
            color: #0B1020;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(226, 164, 90, 0.25);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(232, 236, 244, 0.4);
            color: var(--text-primary);
        }

        .btn-outline:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 14px 42px;
            font-size: 17px;
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.04);
            margin-left: auto;
        }

        .category-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 110px 0 80px;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 16, 32, 0.92) 0%, rgba(11, 16, 32, 0.72) 55%, rgba(11, 16, 32, 0.65) 100%);
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--accent-gold);
            background: rgba(226, 164, 90, 0.12);
            border: 1px solid rgba(226, 164, 90, 0.3);
            border-radius: var(--radius-tag);
            padding: 5px 16px;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero-badge i {
            font-size: 10px;
        }

        .category-hero h1 {
            font-size: 40px;
            line-height: 1.3;
            font-weight: 700;
            max-width: 680px;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 620px;
            margin-bottom: 30px;
            line-height: 1.8;
        }

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

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 18px;
            border-radius: var(--radius-tag);
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(15, 22, 40, 0.6);
            font-size: 14px;
            color: var(--text-secondary);
        }

        .tag i {
            font-size: 6px;
            color: var(--accent-gold);
        }

        .stats-bar {
            padding: 50px 0;
            border-bottom: 1px solid var(--border-subtle);
            background: rgba(15, 22, 40, 0.5);
        }

        .stat-item {
            text-align: center;
            padding: 20px 10px;
        }

        .stat-num {
            display: block;
            font-size: 38px;
            font-weight: 700;
            color: var(--accent-gold);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            letter-spacing: 0.6px;
        }

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

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--accent-gold);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: 30px;
            line-height: 1.4;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-secondary);
        }

        .guide-section {
            background: linear-gradient(rgba(15, 22, 40, 0.4) 0%, rgba(11, 16, 32, 1) 100%);
        }

        .guide-grid {
            align-items: center;
        }

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

        .guide-text h3 {
            font-size: 22px;
            margin-bottom: 16px;
            line-height: 1.5;
        }

        .guide-text p {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .guide-text ul li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 12px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .list-square {
            width: 8px;
            height: 8px;
            background: var(--accent-gold);
            border-radius: 2px;
            display: inline-block;
            margin-top: 10px;
            flex-shrink: 0;
        }

        .steps-section {
            background: var(--bg-primary);
        }

        .steps-grid .columns {
            display: flex;
        }

        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 36px 30px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            width: 100%;
            position: relative;
            overflow: hidden;
        }

        .step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .step-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .step-card:hover::before {
            opacity: 1;
        }

        .step-num {
            display: inline-block;
            font-size: 42px;
            font-weight: 800;
            color: rgba(226, 164, 90, 0.22);
            line-height: 1;
            margin-bottom: 18px;
            font-variant-numeric: tabular-nums;
        }

        .step-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .step-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .faq-section {
            background: rgba(15, 22, 40, 0.45);
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .faq-item.active {
            border-color: var(--border-hover);
            box-shadow: 0 0 0 1px rgba(226, 164, 90, 0.15), 0 12px 32px rgba(0, 0, 0, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 28px;
            font-size: 16px;
            color: var(--text-primary);
            font-weight: 500;
            text-align: left;
            transition: color 0.3s ease;
        }

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

        .faq-question i {
            font-size: 14px;
            color: var(--accent-gold);
            transition: transform 0.4s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 28px;
        }

        .faq-item.active .faq-answer {
            max-height: 320px;
            padding: 0 28px 24px;
        }

        .faq-answer p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 16px;
        }

        .recommend-section {
            background: var(--bg-primary);
        }

        .recommend-grid .columns {
            display: flex;
        }

        .rec-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 0;
            overflow: hidden;
            width: 100%;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
        }

        .rec-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .rec-card img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            border-radius: 0;
        }

        .rec-card-body {
            padding: 22px 24px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .rec-cat {
            display: inline-block;
            font-size: 13px;
            color: var(--accent-gold);
            background: rgba(226, 164, 90, 0.1);
            border-radius: var(--radius-tag);
            padding: 3px 12px;
            align-self: flex-start;
            margin-bottom: 12px;
        }

        .rec-card h3 {
            font-size: 18px;
            margin-bottom: 8px;
            line-height: 1.5;
            color: var(--text-primary);
        }

        .rec-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex-grow: 1;
        }

        .rec-more {
            margin-top: 16px;
            font-size: 14px;
            color: var(--accent-gold);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .cta-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            text-align: center;
            padding: 96px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(8, 13, 24, 0.86);
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 32px;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .cta-section p {
            font-size: 17px;
            color: var(--text-secondary);
            margin-bottom: 36px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(226, 164, 90, 0.35);
            padding: 64px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }

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

        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
            margin-top: 8px;
        }

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

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

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: all 0.3s ease;
        }

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

        .footer-contact p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--accent-gold);
            width: 16px;
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 14px;
        }

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

        .footer-bottom a:hover {
            color: var(--accent-gold);
        }

        @media (max-width: 1100px) {
            .main-nav {
                gap: 18px;
                margin-left: 8px;
            }
            .countdown {
                display: none;
            }
            .mobile-down-bar {
                display: block;
            }
        }

        @media (max-width: 900px) {
            .header-inner {
                gap: 16px;
            }
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(11, 16, 32, 0.98);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 12px 24px 20px;
                border-bottom: 1px solid var(--border-hover);
                display: none;
                z-index: 999;
                margin-left: 0;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                display: block;
                width: 100%;
                padding: 12px 0;
                font-size: 16px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .main-nav a::after {
                display: none;
            }
            .header-tools {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .category-hero {
                padding: 80px 0 56px;
            }
            .category-hero h1 {
                font-size: 34px;
            }
            .stats-bar .columns {
                margin-bottom: 10px;
            }
            .stat-num {
                font-size: 32px;
            }
            .guide-grid .columns {
                margin-bottom: 32px;
            }
            .steps-grid .columns {
                margin-bottom: 20px;
            }
            .recommend-grid .columns {
                margin-bottom: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 18px;
            }
            section {
                padding-top: var(--space-mobile);
                padding-bottom: var(--space-mobile);
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .stat-num {
                font-size: 28px;
            }
            .step-card {
                padding: 28px 22px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 20px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section p {
                font-size: 15px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .hero-tags {
                gap: 8px;
            }
            .tag {
                padding: 4px 12px;
                font-size: 13px;
            }
            .btn-lg {
                padding: 12px 32px;
                font-size: 15px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0B1020;
            --bg-card: #0F1628;
            --bg-footer: #080D18;
            --bg-input: #0D1428;
            --text-primary: #E8ECF4;
            --text-secondary: #93A5C0;
            --text-muted: #5B6880;
            --accent: #E2A45A;
            --accent-hover: #EDB76F;
            --aux: #4FA9A0;
            --success: #37B87A;
            --error: #E26A5A;
            --border-color: rgba(255,255,255,0.06);
            --border-hover: rgba(226,164,90,0.55);
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-badge: 999px;
            --shadow-card: 0 12px 32px rgba(0,0,0,0.35);
            --shadow-hover: 0 16px 40px rgba(0,0,0,0.45);
            --section-gap: 96px;
            --section-gap-md: 72px;
            --section-gap-sm: 48px;
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(1px 1px at 20% 30%, rgba(232,236,244,0.15), transparent),
                radial-gradient(1px 1px at 80% 20%, rgba(232,236,244,0.1), transparent),
                radial-gradient(1px 1px at 40% 70%, rgba(232,236,244,0.12), transparent),
                radial-gradient(1.5px 1.5px at 70% 80%, rgba(226,164,90,0.15), transparent),
                radial-gradient(1px 1px at 90% 60%, rgba(232,236,244,0.1), transparent);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.8;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: color .3s, border-color .3s, background .3s; }
        ul, ol { list-style: none; }
        button { font-family: inherit; }
        input, textarea { font-family: inherit; }

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

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            cursor: pointer;
            border: none;
            text-decoration: none;
            transition: all .3s ease;
            letter-spacing: 0.5px;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--accent);
            color: #0B1020;
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(226,164,90,0.25);
            color: #0B1020;
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(232,236,244,0.4);
        }
        .btn-secondary:hover,
        .btn-secondary:focus {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-sm { padding: 8px 20px; font-size: 14px; }
        .btn-lg { padding: 16px 40px; font-size: 17px; }

        /* ===== 顶栏导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11,16,32,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: box-shadow .3s, background .3s;
        }
        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(0,0,0,0.45);
            background: rgba(11,16,32,0.97);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon { display: flex; align-items: center; }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
            color: #FFFFFF;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
            margin: 0 auto;
        }
        .main-nav a {
            font-size: 15px;
            color: var(--text-secondary);
            padding: 26px 0 24px;
            position: relative;
            letter-spacing: 0.5px;
            transition: color .3s;
            white-space: nowrap;
        }
        .main-nav a:hover { color: var(--text-primary); }
        .main-nav a.active { color: var(--accent); }
        .main-nav a.active::after,
        .main-nav a:hover::after {
            content: '';
            position: absolute;
            bottom: 18px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .main-nav a:hover::after { background: rgba(226,164,90,0.4); }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--success);
            background: rgba(55,184,122,0.12);
            padding: 6px 14px;
            border-radius: var(--radius-badge);
            border: 1px solid rgba(55,184,122,0.3);
            white-space: nowrap;
        }
        .status-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            position: relative;
        }
        .status-badge .dot::after {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 50%;
            border: 2px solid rgba(55,184,122,0.5);
            animation: pulse 1.6s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(0.6); opacity: 1; }
            100% { transform: scale(1.8); opacity: 0; }
        }
        .countdown-pill {
            font-size: 13px;
            color: #FFFFFF;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-badge);
            padding: 6px 16px;
            font-variant-numeric: tabular-nums;
            white-space: nowrap;
        }
        .nav-toggle {
            display: none;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 8px;
            width: 42px;
            height: 42px;
            color: var(--text-primary);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: border-color .3s, color .3s;
        }
        .nav-toggle:hover { border-color: var(--accent); color: var(--accent); }

        .mobile-countdown { display: none; }

        /* ===== 文章页主体 ===== */
        .article-wrap {
            padding: 32px 0 0;
            position: relative;
        }
        .breadcrumb {
            max-width: 760px;
            margin: 24px auto 8px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
            padding: 0 8px;
        }
        .breadcrumb a { color: var(--text-secondary); transition: color .3s; }
        .breadcrumb a:hover { color: var(--accent); }
        .breadcrumb .sep { color: var(--text-muted); }
        .breadcrumb .current {
            color: var(--text-secondary);
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-header {
            max-width: 760px;
            margin: 40px auto 32px;
            padding: 0 8px;
            position: relative;
        }
        .article-badge {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(226,164,90,0.12);
            border: 1px solid rgba(226,164,90,0.3);
            padding: 4px 16px;
            border-radius: var(--radius-badge);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .article-title {
            font-size: 34px;
            line-height: 1.4;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 22px;
            letter-spacing: 0.5px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-meta .meta-item i { color: var(--accent); font-size: 14px; }
        .article-meta .meta-time { font-variant-numeric: tabular-nums; }

        .article-content {
            max-width: 760px;
            margin: 0 auto 32px;
            padding: 0 8px;
            font-size: 16px;
            line-height: 1.9;
            color: #C6D0E0;
        }
        .article-content p { margin-bottom: 24px; }
        .article-content h2 {
            font-size: 26px;
            color: #FFFFFF;
            margin: 56px 0 20px;
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 20px;
            color: #FFFFFF;
            margin: 40px 0 16px;
            padding-left: 14px;
            border-left: 3px solid var(--accent);
            line-height: 1.5;
        }
        .article-content h4 {
            font-size: 17px;
            color: var(--text-primary);
            margin: 32px 0 12px;
        }
        .article-content img {
            border-radius: 12px;
            margin: 32px 0;
            box-shadow: var(--shadow-card);
        }
        .article-content a {
            color: var(--accent);
            border-bottom: 1px solid rgba(226,164,90,0.3);
            transition: border-color .3s;
        }
        .article-content a:hover { border-color: var(--accent); }
        .article-content blockquote {
            background: rgba(226,164,90,0.06);
            border-left: 4px solid var(--accent);
            padding: 20px 24px;
            border-radius: 0 10px 10px 0;
            margin: 32px 0;
            color: var(--text-secondary);
            font-style: normal;
        }
        .article-content ul,
        .article-content ol { margin: 24px 0; padding-left: 24px; }
        .article-content ul li {
            position: relative;
            padding-left: 16px;
            margin-bottom: 10px;
        }
        .article-content ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 7px;
            height: 7px;
            background: var(--accent);
            transform: rotate(45deg);
        }
        .article-content ol { list-style: decimal; }
        .article-content ol li { margin-bottom: 10px; padding-left: 4px; }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 32px 0;
            font-size: 14px;
            display: block;
            overflow-x: auto;
        }
        .article-content table th {
            background: #0D1428;
            color: var(--text-primary);
            font-weight: 600;
            text-align: left;
        }
        .article-content table th,
        .article-content table td {
            padding: 12px 16px;
            border: 1px solid rgba(255,255,255,0.08);
            white-space: nowrap;
        }
        .article-content code {
            background: rgba(226,164,90,0.12);
            color: var(--accent);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 14px;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
        }
        .article-content pre {
            background: #080D18;
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 10px;
            padding: 24px;
            overflow-x: auto;
            margin: 32px 0;
        }
        .article-content pre code {
            background: none;
            color: var(--text-primary);
            padding: 0;
            font-size: 14px;
            line-height: 1.7;
        }
        .article-content hr {
            border: none;
            border-top: 1px solid rgba(255,255,255,0.08);
            margin: 40px 0;
        }

        /* ===== 文章页脚 ===== */
        .article-footer {
            max-width: 760px;
            margin: 0 auto 64px;
            padding: 32px 8px 0;
            border-top: 1px solid var(--border-color);
        }
        .article-tags {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .article-tags .tag {
            font-size: 13px;
            color: var(--text-secondary);
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            padding: 6px 18px;
            border-radius: var(--radius-badge);
            transition: all .3s;
        }
        .article-tags .tag:hover {
            color: var(--accent);
            border-color: rgba(226,164,90,0.5);
            background: rgba(226,164,90,0.06);
        }
        .article-pager {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .pager-item {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            transition: all .3s;
        }
        .pager-item:hover {
            color: var(--accent);
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }
        .pager-item i { font-size: 13px; }

        /* ===== 内容未找到 ===== */
        .not-found {
            max-width: 560px;
            margin: 60px auto 100px;
            text-align: center;
            padding: 48px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }
        .not-found .not-found-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: var(--accent);
            background: rgba(226,164,90,0.1);
            border: 1px solid rgba(226,164,90,0.25);
            border-radius: 50%;
        }
        .not-found h2 { font-size: 28px; color: #FFFFFF; margin-bottom: 12px; }
        .not-found p { color: var(--text-secondary); margin-bottom: 28px; }

        /* ===== 相关推荐 ===== */
        .related-section {
            max-width: 1200px;
            margin: 0 auto 96px;
            padding-top: 16px;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            gap: 16px;
            flex-wrap: wrap;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-label .star { color: var(--accent); font-size: 14px; }
        .section-head h2 {
            font-size: 30px;
            color: #FFFFFF;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .section-more {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color .3s;
            white-space: nowrap;
        }
        .section-more:hover { color: var(--accent); }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px;
            transition: all .3s;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(226,164,90,0.55);
            box-shadow: var(--shadow-hover);
            background: #111A30;
        }
        .related-card .card-cat {
            font-size: 12px;
            font-weight: 600;
            color: var(--aux);
            letter-spacing: 1px;
            margin-bottom: 12px;
        }
        .related-card h4 {
            font-size: 17px;
            font-weight: 600;
            color: #FFFFFF;
            line-height: 1.5;
            margin-bottom: 10px;
            transition: color .3s;
        }
        .related-card:hover h4 { color: var(--accent); }
        .related-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .related-card .card-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: auto;
            padding-top: 16px;
            font-variant-numeric: tabular-nums;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .related-card .card-date i { font-size: 12px; }

        /* ===== CTA 区 ===== */
        .cta-section {
            position: relative;
            padding: 96px 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11,16,32,0.88), rgba(8,13,24,0.92));
        }
        .cta-inner { position: relative; z-index: 1; }
        .cta-inner h2 {
            font-size: 32px;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .cta-inner p {
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 32px;
            font-size: 16px;
            line-height: 1.8;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(226,164,90,0.25);
            padding-top: 72px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand .logo { margin-bottom: 16px; }
        .footer-brand .logo-text { font-size: 20px; }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h4,
        .footer-contact h4 {
            font-size: 16px;
            color: #FFFFFF;
            margin-bottom: 20px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .footer-col ul li { margin-bottom: 12px; }
        .footer-col ul li a,
        .footer-contact p {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color .3s;
        }
        .footer-col ul li a:hover { color: var(--accent); }
        .footer-contact p { margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
        .footer-contact p i { color: var(--accent); font-size: 14px; width: 16px; text-align: center; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .main-nav { gap: 16px; }
            .main-nav a { font-size: 14px; }
            .header-actions .status-badge { display: none; }
            .countdown-pill { font-size: 12px; padding: 6px 12px; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .cta-section { padding: 72px 0; }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                height: auto;
                padding: 14px 0;
                gap: 8px 16px;
            }
            .header-actions { margin-left: auto; }
            .countdown-pill { display: none; }
            .nav-toggle { display: inline-flex; order: 3; margin-left: auto; }
            .main-nav {
                display: none;
                order: 4;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 4px 0 16px;
                gap: 4px;
            }
            .main-nav.open { display: flex; }
            .main-nav a {
                padding: 12px 8px;
                font-size: 15px;
                border-bottom: 1px solid rgba(255,255,255,0.04);
            }
            .main-nav a.active::after,
            .main-nav a:hover::after { display: none; }
            .main-nav a.active { color: var(--accent); background: rgba(226,164,90,0.06); border-radius: 6px; padding-left: 12px; }
            .mobile-countdown {
                display: block;
                text-align: center;
                font-size: 13px;
                color: var(--text-primary);
                background: rgba(255,255,255,0.06);
                border: 1px solid rgba(255,255,255,0.1);
                border-radius: 6px;
                padding: 8px 12px;
                margin-bottom: 12px;
                font-variant-numeric: tabular-nums;
            }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .article-title { font-size: 28px; }
            .article-wrap { padding-top: 16px; }
            .related-grid { grid-template-columns: 1fr; }
            .related-section { margin-bottom: 72px; }
            .cta-section { padding: 56px 0; }
            .cta-inner h2 { font-size: 26px; }
            .section-head h2 { font-size: 26px; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 18px; }
            .header-inner { gap: 8px 12px; }
            .logo-text { font-size: 17px; }
            .header-actions .btn-sm { padding: 8px 14px; font-size: 13px; }
            .article-title { font-size: 24px; }
            .article-meta { gap: 12px; flex-direction: column; align-items: flex-start; }
            .article-pager { flex-direction: column; }
            .pager-item { justify-content: center; }
            .cta-inner h2 { font-size: 22px; }
            .cta-inner p { font-size: 14px; }
            .breadcrumb .current { max-width: 160px; }
            .not-found { margin: 40px auto 64px; padding: 32px 20px; }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0B1020;
            --bg-card: #0F1628;
            --bg-deep: #080D18;
            --bg-input: #0D1428;
            --text-primary: #E8ECF4;
            --text-secondary: #93A5C0;
            --text-muted: #5B6880;
            --accent: #E2A45A;
            --accent-hover: #EDB573;
            --cyan: #4FA9A0;
            --green: #37B87A;
            --red: #E26A5A;
            --border-card: rgba(255, 255, 255, 0.06);
            --border-hover: rgba(226, 164, 90, 0.55);
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-badge: 999px;
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.45);
            --space-section: 96px;
            --space-section-tablet: 72px;
            --space-section-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color .25s ease, border-color .25s ease;
        }

        a:hover,
        a:focus {
            color: var(--accent);
        }

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

        ul,
        ol {
            list-style: none;
        }

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

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

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

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            letter-spacing: 2px;
            color: var(--accent);
            text-transform: uppercase;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .section-tag::before {
            content: "✦";
            color: var(--accent);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.5px;
        }

        .section-desc {
            margin-top: 14px;
            font-size: 16px;
            color: var(--text-secondary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all .3s ease;
            line-height: 1.5;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--accent);
            color: #1a1a1a;
            box-shadow: 0 4px 18px rgba(226, 164, 90, 0.25);
        }

        .btn-primary:hover,
        .btn-primary:focus-visible {
            background: var(--accent-hover);
            color: #1a1a1a;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(226, 164, 90, 0.4);
        }

        .btn-secondary {
            border-color: rgba(232, 236, 244, 0.4);
            color: var(--text-primary);
            background: transparent;
        }

        .btn-secondary:hover,
        .btn-secondary:focus-visible {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            font-size: 13px;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .badge-green {
            background: rgba(55, 184, 122, 0.12);
            color: var(--green);
            border-color: rgba(55, 184, 122, 0.3);
        }

        .badge-gold {
            background: rgba(226, 164, 90, 0.1);
            color: var(--accent);
            border-color: rgba(226, 164, 90, 0.3);
        }

        .card-bg {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
        }

        .card-bg:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(11, 16, 32, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            background: rgba(8, 13, 24, 0.97);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

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

        .logo-icon svg {
            display: block;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-sub {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
            line-height: 1.4;
        }

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

        .main-nav a {
            position: relative;
            padding: 8px 16px;
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            border-radius: 6px;
            transition: color .25s ease;
        }

        .main-nav a:hover,
        .main-nav a:focus-visible {
            color: var(--accent);
        }

        .main-nav a.active {
            color: var(--accent);
        }

        .main-nav a.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--green);
            background: rgba(55, 184, 122, 0.08);
            border-radius: var(--radius-badge);
            padding: 5px 14px;
            border: 1px solid rgba(55, 184, 122, 0.25);
            white-space: nowrap;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--green);
            position: relative;
            flex-shrink: 0;
        }

        .status-dot::after {
            content: "";
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            background: rgba(55, 184, 122, 0.3);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% {
                transform: scale(0.8);
                opacity: 1;
            }
            100% {
                transform: scale(1.6);
                opacity: 0;
            }
        }

        .countdown-pill {
            background: #131a2e;
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            font-size: 13px;
            border-radius: var(--radius-badge);
            padding: 6px 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
            font-variant-numeric: tabular-nums;
        }

        .countdown-pill span {
            color: var(--accent);
            font-weight: 700;
            letter-spacing: 1px;
        }

        .nav-cta {
            padding: 9px 20px;
            font-size: 14px;
        }

        .hamburger {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            justify-content: center;
            align-items: center;
            cursor: pointer;
            background: var(--bg-card);
            color: var(--text-primary);
            font-size: 18px;
            transition: all .25s ease;
        }

        .hamburger:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(8, 13, 24, 0.98);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 16px 24px 24px;
            z-index: 999;
            backdrop-filter: blur(16px);
        }

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

        .mobile-nav a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: color .25s ease;
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--accent);
        }

        .mobile-nav a:last-child {
            border-bottom: none;
        }

        /* ========== Hero ========== */
        .page-hero {
            position: relative;
            padding: 180px 0 100px;
            background: linear-gradient(180deg, rgba(11, 16, 32, 0.87) 0%, rgba(11, 16, 32, 0.94) 100%), url('/assets/images/backpic/back-1.webp') no-repeat center center / cover;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            border: 1px solid rgba(226, 164, 90, 0.12);
            border-radius: 50%;
            top: -140px;
            right: -100px;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .hero-content h1 em {
            font-style: normal;
            color: var(--accent);
        }

        .hero-content p {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 30px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 28px;
        }

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

        .hero-badges .badge {
            background: rgba(255, 255, 255, 0.03);
            border-color: rgba(255, 255, 255, 0.1);
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .hero-badges .badge::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid rgba(226, 164, 90, 0.2);
            box-shadow: var(--shadow-card);
        }

        .hero-visual img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        .hero-visual::before {
            content: "+";
            position: absolute;
            top: 20px;
            left: 20px;
            color: rgba(226, 164, 90, 0.5);
            font-size: 22px;
            line-height: 1;
        }

        .hero-visual::after {
            content: "+";
            position: absolute;
            bottom: 20px;
            right: 20px;
            color: rgba(226, 164, 90, 0.5);
            font-size: 22px;
            line-height: 1;
        }

        .hero-visual-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 48px 20px 16px;
            background: linear-gradient(180deg, transparent, rgba(8, 13, 24, 0.92));
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* ========== Stats Bar ========== */
        .stats-bar {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            background: #0D1322;
            padding: 40px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 38px;
            font-weight: 700;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .stat-label {
            margin-top: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* ========== Access Types ========== */
        .access-types {
            background: var(--bg-primary);
        }

        .access-card {
            position: relative;
            height: 100%;
            padding: 36px 28px;
            overflow: hidden;
        }

        .access-card .card-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: rgba(226, 164, 90, 0.08);
            border: 1px solid rgba(226, 164, 90, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 22px;
        }

        .access-card h3 {
            font-size: 21px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .access-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .access-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 18px;
            font-size: 14px;
            color: var(--accent);
            font-weight: 500;
        }

        .access-card .card-link i {
            transition: transform .25s ease;
        }

        .access-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== Steps ========== */
        .steps-section {
            background: #0D1322;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .step-item {
            position: relative;
            padding: 36px 24px 30px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            transition: all .3s ease;
        }

        .step-item:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .step-num {
            font-size: 42px;
            font-weight: 700;
            color: transparent;
            -webkit-text-stroke: 1px rgba(226, 164, 90, 0.4);
            font-variant-numeric: tabular-nums;
            margin-bottom: 16px;
            line-height: 1;
        }

        .step-item h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }

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

        .step-item::after {
            content: "→";
            position: absolute;
            top: 46px;
            right: -22px;
            color: rgba(226, 164, 90, 0.5);
            font-size: 18px;
            z-index: 2;
        }

        .step-item:last-child::after {
            display: none;
        }

        /* ========== Security ========== */
        .security-section {
            background: var(--bg-primary);
        }

        .security-wrap {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 60px;
            align-items: center;
        }

        .security-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: var(--shadow-card);
        }

        .security-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .security-points {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .security-point {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all .3s ease;
        }

        .security-point:hover {
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }

        .security-point i {
            font-size: 22px;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .security-point h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

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

        /* ========== FAQ ========== */
        .faq-section {
            background: #0D1322;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            margin-bottom: 14px;
            transition: all .3s ease;
        }

        .faq-item:hover {
            border-color: rgba(226, 164, 90, 0.35);
        }

        .faq-item.active {
            border-color: rgba(226, 164, 90, 0.55);
            background: rgba(226, 164, 90, 0.03);
        }

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 22px 26px;
            background: none;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            cursor: pointer;
            text-align: left;
            transition: color .25s ease;
        }

        .faq-question:hover,
        .faq-item.active .faq-question {
            color: var(--accent);
        }

        .faq-toggle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: var(--accent);
            flex-shrink: 0;
            transition: transform .3s ease;
        }

        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
            border-color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .3s ease;
        }

        .faq-answer-inner {
            padding: 0 26px 22px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ========== Cross Recommend ========== */
        .recommend-section {
            background: var(--bg-primary);
        }

        .recommend-card {
            height: 100%;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
        }

        .recommend-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .recommend-card img {
            width: 100%;
            height: 190px;
            object-fit: cover;
        }

        .recommend-body {
            padding: 24px 26px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .recommend-body h3 {
            font-size: 19px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .recommend-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .recommend-body .btn {
            align-self: flex-start;
            padding: 8px 20px;
            font-size: 14px;
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            padding: 96px 0;
            background: linear-gradient(180deg, rgba(11, 16, 32, 0.9), rgba(11, 16, 32, 0.95)), url('/assets/images/backpic/back-2.webp') no-repeat center center / cover;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 17px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(226, 164, 90, 0.3);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 18px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 360px;
        }

        .footer-col h4,
        .footer-contact h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

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

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color .25s ease;
        }

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

        .footer-contact p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 10px;
        }

        .footer-contact p i {
            color: var(--accent);
            margin-right: 8px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }

            .countdown-pill,
            .status-badge {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-nav {
                display: none;
            }

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

            .page-hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-visual img {
                height: 280px;
            }

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

            .step-item::after {
                display: none;
            }

            .security-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }

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

        @media (max-width: 768px) {
            .section {
                padding: var(--space-section-tablet) 0;
            }

            .section-title {
                font-size: 24px;
            }

            .page-hero {
                padding: 140px 0 60px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

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

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

            .faq-question {
                font-size: 15px;
                padding: 18px 20px;
            }

            .faq-answer-inner {
                padding: 0 20px 18px;
            }

            .cta-section {
                padding: 64px 0;
            }

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

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .logo-text {
                font-size: 16px;
            }

            .nav-cta {
                display: none;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

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

            .hero-badges {
                flex-direction: column;
                align-items: flex-start;
            }

            .section-title {
                font-size: 22px;
            }

            .security-points {
                grid-template-columns: 1fr;
            }

            .page-hero h1 {
                font-size: 26px;
            }

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

/* roulang page: category2 */
:root {
            --bg-body: #0B1020;
            --bg-card: #0F1628;
            --bg-dark: #080D18;
            --bg-input: #0D1428;
            --text-main: #E8ECF4;
            --text-secondary: #93A5C0;
            --text-muted: #5B6880;
            --gold: #E2A45A;
            --teal: #4FA9A0;
            --green: #37B87A;
            --red: #E26A5A;
            --border: rgba(255, 255, 255, 0.06);
            --border-hover: rgba(226, 164, 90, 0.55);
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.45);
            --space-section-desktop: 96px;
            --space-section-tablet: 72px;
            --space-section-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .22s;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ========== Header ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: 72px;
            background: rgba(11, 16, 32, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            transition: background .35s, box-shadow .35s;
        }

        .site-header.scrolled {
            background: rgba(8, 13, 24, 0.96);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .header-inner {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--text-main);
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .main-nav a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 15px;
            color: var(--text-secondary);
            border-radius: 8px;
            position: relative;
            transition: color .25s, background .25s;
        }

        .main-nav a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }

        .main-nav a.active {
            color: var(--gold);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 1px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 4px 12px;
            background: rgba(55, 184, 122, 0.12);
            border: 1px solid rgba(55, 184, 122, 0.3);
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--green);
            white-space: nowrap;
        }

        .status-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--green);
            animation: pulse 1.6s infinite;
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(55, 184, 122, 0.55);
            }
            70% {
                box-shadow: 0 0 0 7px rgba(55, 184, 122, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(55, 184, 122, 0);
            }
        }

        .countdown-pill {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--text-main);
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.4px;
            white-space: nowrap;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            font-size: 20px;
        }

        .nav-toggle.active {
            background: rgba(255, 255, 255, 0.05);
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            border: 1px solid transparent;
            transition: background .25s, color .25s, transform .25s, box-shadow .25s, border-color .25s;
        }

        .btn-primary {
            background: var(--gold);
            color: #1A1206;
        }

        .btn-primary:hover {
            background: #EFB872;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(226, 164, 90, 0.25);
        }

        .btn-secondary {
            background: transparent;
            border-color: rgba(232, 236, 244, 0.4);
            color: var(--text-main);
        }

        .btn-secondary:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

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

        .btn:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            padding: 180px 0 96px;
            background-size: cover;
            background-position: center;
            isolation: isolate;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(11, 16, 32, 0.96) 0%, rgba(11, 16, 32, 0.82) 50%, rgba(11, 16, 32, 0.55) 100%);
            z-index: -1;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
            background-size: 28px 28px;
            opacity: 0.35;
            z-index: -1;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
            align-items: center;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border: 1px solid rgba(226, 164, 90, 0.4);
            border-radius: var(--radius-pill);
            background: rgba(226, 164, 90, 0.08);
            color: var(--gold);
            font-size: 13px;
            letter-spacing: 2px;
            margin-bottom: 20px;
        }

        .hero h1 {
            font-size: 42px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-panel {
            position: relative;
            background: rgba(15, 22, 40, 0.86);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(8px);
        }

        .hero-panel::before {
            content: '';
            position: absolute;
            width: 60px;
            height: 60px;
            top: -12px;
            left: -12px;
            border-left: 1px solid rgba(226, 164, 90, 0.3);
            border-top: 1px solid rgba(226, 164, 90, 0.3);
            border-radius: 6px;
        }

        .panel-header {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .panel-header::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--green);
            flex-shrink: 0;
        }

        .status-panel ul li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-main);
        }

        .status-panel ul li:last-child {
            border-bottom: none;
        }

        .status-panel ul li em {
            margin-left: auto;
            font-style: normal;
            font-size: 13px;
            color: var(--green);
        }

        .status-panel ul li .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .dot.ok {
            background: var(--green);
        }

        .dot.warn {
            background: var(--gold);
        }

        /* ========== Stats ========== */
        .stats-strip {
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            background: #0D1428;
            padding: 40px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .stat-num {
            font-size: 34px;
            font-weight: 800;
            color: var(--gold);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            letter-spacing: 1px;
        }

        /* ========== Section ========== */
        .section {
            padding: var(--space-section-desktop) 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--gold);
            font-size: 14px;
            letter-spacing: 3px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .section-tag::before {
            content: '✦';
            font-size: 16px;
        }

        .section-head h2 {
            font-size: 30px;
            line-height: 1.4;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ========== Site Cards ========== */
        .site-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .site-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: transform .3s, border-color .3s, box-shadow .3s;
        }

        .site-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }

        .site-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(226, 164, 90, 0.1);
            border-radius: 12px;
            color: var(--gold);
            font-size: 20px;
            margin-bottom: 18px;
        }

        .site-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .site-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .site-status {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
        }

        .site-status.ok {
            color: var(--green);
            background: rgba(55, 184, 122, 0.1);
            border: 1px solid rgba(55, 184, 122, 0.25);
        }

        .site-status.maintain {
            color: var(--gold);
            background: rgba(226, 164, 90, 0.1);
            border: 1px solid rgba(226, 164, 90, 0.25);
        }

        /* ========== Guide ========== */
        .guide-section {
            background: #0D1428;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .guide-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .guide-text .section-tag {
            margin-bottom: 8px;
        }

        .guide-text h2 {
            font-size: 30px;
            line-height: 1.4;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .guide-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-top: 8px;
        }

        .guide-text ul {
            margin-top: 20px;
        }

        .guide-text ul li {
            position: relative;
            padding-left: 22px;
            color: var(--text-secondary);
            margin-bottom: 14px;
            font-size: 15px;
            line-height: 1.8;
        }

        .guide-text ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 11px;
            width: 8px;
            height: 8px;
            background: var(--gold);
            border-radius: 1px;
        }

        .guide-media img {
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        /* ========== Assurance ========== */
        .assure-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .assure-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px;
            transition: transform .3s, border-color .3s, box-shadow .3s;
        }

        .assure-item:hover {
            transform: translateY(-3px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }

        .assure-item i {
            font-size: 24px;
            color: var(--gold);
            margin-top: 4px;
            flex-shrink: 0;
        }

        .assure-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

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

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

        .related-card {
            display: block;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform .3s, border-color .3s, box-shadow .3s;
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }

        .related-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .related-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin: 18px 20px 8px;
        }

        .related-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0 20px 20px;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #0D1428;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .3s, background .3s;
        }

        .faq-item.active {
            border-color: var(--border-hover);
            background: rgba(226, 164, 90, 0.04);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            gap: 20px;
            transition: color .25s;
        }

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

        .faq-question::after {
            content: '+';
            font-size: 24px;
            font-weight: 400;
            color: var(--gold);
            flex-shrink: 0;
            transition: transform .3s;
            line-height: 1;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }

        .faq-answer p {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background-size: cover;
            background-position: center;
            isolation: isolate;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 16, 32, 0.88) 0%, rgba(8, 13, 24, 0.96) 100%);
            z-index: -1;
        }

        .cta-inner {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .cta-inner p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 32px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid rgba(226, 164, 90, 0.3);
            padding: 64px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 40px;
        }

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

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-col h4,
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }

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

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color .2s;
        }

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

        .footer-contact p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 10px;
        }

        .footer-contact p i {
            color: var(--gold);
            margin-right: 8px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .header-inner {
                height: auto;
                flex-wrap: wrap;
                padding: 14px 24px;
                gap: 10px;
            }

            .site-header {
                height: auto;
            }

            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                background: var(--bg-dark);
                border: 1px solid var(--border);
                border-radius: 12px;
                padding: 16px;
                gap: 4px;
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav a {
                width: 100%;
            }

            .main-nav a.active::after {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .countdown-pill {
                display: none;
            }

            .hero {
                padding: 160px 0 72px;
            }

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }

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

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

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

        @media (max-width: 768px) {
            .section {
                padding: var(--space-section-tablet) 0;
            }

            .hero {
                padding: 140px 0 56px;
            }

            .hero h1 {
                font-size: 34px;
            }

            .hero-subtitle {
                font-size: 16px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 20px;
            }

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

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

            .status-badge {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: var(--space-section-mobile) 0;
            }

            .hero {
                padding: 120px 0 48px;
            }

            .hero h1 {
                font-size: 30px;
            }

            .hero-actions {
                flex-direction: column;
            }

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

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

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

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

            .guide-text h2 {
                font-size: 24px;
            }

            .cta-inner h2 {
                font-size: 26px;
            }

            .header-tools .btn-sm {
                padding: 8px 12px;
                font-size: 13px;
                white-space: nowrap;
            }

            .logo-text {
                font-size: 16px;
            }
        }

        @media (max-width: 400px) {
            .header-tools {
                gap: 8px;
            }

            .header-tools .btn-sm {
                padding: 8px 10px;
                font-size: 12px;
            }
        }