/* roulang page: index */
:root {
            --brand-dark: #0b1120;
            --brand-deep: #0f1a2e;
            --brand-card: #131f33;
            --brand-card-hover: #1a2a42;
            --brand-border: #24344d;
            --brand-border-light: #35496b;
            --brand-gold: #f0a83a;
            --brand-gold-hover: #d9902a;
            --brand-gold-light: #fbd38d;
            --brand-text: #e6edf5;
            --brand-text-muted: #8ea3bf;
            --brand-radius: 18px;
            --brand-radius-sm: 10px;
            --brand-radius-lg: 28px;
            --brand-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
            --brand-glow: 0 0 50px rgba(240, 168, 58, 0.10);
            --header-h: 80px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background: var(--brand-dark);
            color: var(--brand-text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

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

        /* 导航 */
        .navbar {
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-h);
            background: rgba(11, 17, 32, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(36, 52, 77, 0.6);
        }

        .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            background: linear-gradient(135deg, #fbd38d 0%, #f0a83a 50%, #d9902a 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(19, 31, 51, 0.72);
            border: 1px solid var(--brand-border);
            border-radius: 50px;
            padding: 5px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--brand-text-muted);
            white-space: nowrap;
            transition: all 0.28s ease;
        }

        .nav-link i {
            font-size: 0.85rem;
            opacity: 0.8;
        }

        .nav-link:hover {
            color: var(--brand-text);
            background: rgba(240, 168, 58, 0.08);
        }

        .nav-link.active {
            color: #0b1120;
            background: linear-gradient(135deg, #fbd38d, #f0a83a);
            box-shadow: 0 4px 18px rgba(240, 168, 58, 0.25);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 50px;
            background: rgba(240, 168, 58, 0.12);
            border: 1px solid rgba(240, 168, 58, 0.35);
            color: var(--brand-gold-light);
            font-size: 0.92rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all 0.3s ease;
        }

        .nav-cta:hover {
            background: rgba(240, 168, 58, 0.22);
            border-color: rgba(240, 168, 58, 0.55);
            box-shadow: 0 0 24px rgba(240, 168, 58, 0.15);
            transform: translateY(-1px);
        }

        .nav-cta i {
            font-size: 0.85rem;
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--brand-border);
            color: var(--brand-text);
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            background: rgba(19, 31, 51, 0.7);
            transition: all 0.3s ease;
        }

        .menu-toggle:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: var(--header-h);
            left: 0;
            right: 0;
            background: rgba(11, 17, 32, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--brand-border);
            padding: 18px 24px 24px;
        }

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

        .mobile-menu .nav-link {
            display: flex;
            width: 100%;
            padding: 13px 18px;
            border-radius: 14px;
            margin-bottom: 6px;
        }

        .mobile-menu .nav-link.active {
            color: #0b1120;
        }

        .mobile-menu .nav-cta {
            display: flex;
            width: 100%;
            justify-content: center;
            margin-top: 8px;
            border-radius: 14px;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 17, 32, 0.75) 0%, rgba(11, 17, 32, 0.55) 50%, rgba(11, 17, 32, 0.88) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding-top: 70px;
            padding-bottom: 90px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 18px;
            border-radius: 40px;
            background: rgba(240, 168, 58, 0.12);
            border: 1px solid rgba(240, 168, 58, 0.3);
            color: var(--brand-gold-light);
            font-size: 0.9rem;
            font-weight: 500;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            margin-bottom: 28px;
        }

        .hero-badge i {
            font-size: 0.8rem;
            color: var(--brand-gold);
        }

        .hero-title {
            font-size: clamp(2.6rem, 6vw, 4.6rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #fbd38d 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 20px;
        }

        .hero-subtitle {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: rgba(226, 232, 240, 0.85);
            max-width: 680px;
            margin: 0 auto 38px;
            line-height: 1.7;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 13px 30px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .btn i {
            font-size: 0.9rem;
        }

        .btn-primary {
            background: linear-gradient(135deg, #fbd38d, #f0a83a);
            color: #0b1120;
            box-shadow: 0 8px 30px rgba(240, 168, 58, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 40px rgba(240, 168, 58, 0.4);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--brand-text);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(240, 168, 58, 0.4);
            color: var(--brand-gold-light);
            transform: translateY(-2px);
        }

        /* 通用板块 */
        .section {
            padding: 90px 0;
        }

        .section-alt {
            background: var(--brand-deep);
        }

        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-gold);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 14px;
        }

        .section-tag i {
            font-size: 0.7rem;
        }

        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--brand-text-muted);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* 数据面板 */
        .stats-panel {
            position: relative;
            z-index: 5;
            margin-top: -46px;
            background: linear-gradient(160deg, rgba(19, 31, 51, 0.98), rgba(15, 26, 46, 0.98));
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-lg);
            box-shadow: var(--brand-shadow);
            padding: 32px 28px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

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

        .stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 56px;
            background: var(--brand-border);
        }

        .stat-number {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 800;
            background: linear-gradient(135deg, #fbd38d, #f0a83a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.3;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--brand-text-muted);
            margin-top: 6px;
        }

        /* 核心优势卡片 */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius);
            overflow: hidden;
            transition: all 0.35s ease;
        }

        .feature-card:hover {
            border-color: rgba(240, 168, 58, 0.4);
            transform: translateY(-6px);
            box-shadow: var(--brand-glow), 0 16px 40px rgba(0, 0, 0, 0.25);
        }

        .feature-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .feature-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .feature-card:hover .feature-card-img img {
            transform: scale(1.06);
        }

        .feature-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11, 17, 32, 0.6) 100%);
        }

        .feature-card-body {
            padding: 26px 24px 32px;
        }

        .feature-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(240, 168, 58, 0.12);
            border: 1px solid rgba(240, 168, 58, 0.28);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-gold);
            font-size: 1.1rem;
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .feature-card p {
            color: var(--brand-text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
        }

        /* 分类入口 */
        .category-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .category-card {
            position: relative;
            border-radius: var(--brand-radius);
            overflow: hidden;
            border: 1px solid var(--brand-border);
            background: var(--brand-card);
            transition: all 0.35s ease;
            min-height: 300px;
            display: flex;
            flex-direction: column;
        }

        .category-card:hover {
            border-color: rgba(240, 168, 58, 0.35);
            transform: translateY(-4px);
            box-shadow: var(--brand-glow);
        }

        .category-card-bg {
            height: 170px;
            overflow: hidden;
            position: relative;
        }

        .category-card-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .category-card:hover .category-card-bg img {
            transform: scale(1.05);
        }

        .category-card-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, var(--brand-card) 100%);
        }

        .category-card-body {
            padding: 0 26px 30px;
            flex: 1;
            display: flex;
            flex-direction: column;
            margin-top: -28px;
            position: relative;
            z-index: 2;
        }

        .category-card-body h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .category-card-body p {
            color: var(--brand-text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
            flex: 1;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--brand-gold);
            font-weight: 600;
            font-size: 0.95rem;
            margin-top: 18px;
            transition: gap 0.3s ease;
        }

        .category-link:hover {
            gap: 14px;
        }

        /* 最新资讯 */
        .latest-section {
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
        }

        .latest-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 17, 32, 0.92), rgba(11, 17, 32, 0.97));
            z-index: 1;
        }

        .latest-section .container {
            position: relative;
            z-index: 2;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 860px;
            margin: 0 auto;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 24px;
            background: rgba(19, 31, 51, 0.85);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius);
            padding: 22px 28px;
            transition: all 0.3s ease;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .news-item:hover {
            border-color: rgba(240, 168, 58, 0.35);
            background: rgba(26, 42, 66, 0.9);
            transform: translateX(6px);
            box-shadow: var(--brand-glow);
        }

        .news-category {
            flex-shrink: 0;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(240, 168, 58, 0.12);
            border: 1px solid rgba(240, 168, 58, 0.25);
            color: var(--brand-gold-light);
            font-size: 0.8rem;
            font-weight: 500;
            white-space: nowrap;
        }

        .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-content h3 {
            font-size: 1.08rem;
            font-weight: 600;
            margin-bottom: 4px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .news-content p {
            color: var(--brand-text-muted);
            font-size: 0.9rem;
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .news-meta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 16px;
            color: var(--brand-text-muted);
            font-size: 0.85rem;
        }

        .news-meta i {
            margin-right: 5px;
            font-size: 0.75rem;
        }

        .news-empty {
            text-align: center;
            padding: 60px 30px;
            color: var(--brand-text-muted);
            font-size: 1.1rem;
            background: rgba(19, 31, 51, 0.6);
            border: 1px dashed var(--brand-border);
            border-radius: var(--brand-radius);
        }

        /* 流程步骤 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }

        .step-card {
            position: relative;
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius);
            padding: 32px 24px 28px;
            transition: all 0.3s ease;
        }

        .step-card:hover {
            border-color: rgba(240, 168, 58, 0.3);
            transform: translateY(-4px);
            box-shadow: var(--brand-glow);
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, #fbd38d, #f0a83a);
            color: #0b1120;
            font-size: 1.2rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            box-shadow: 0 8px 20px rgba(240, 168, 58, 0.2);
        }

        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .step-card p {
            color: var(--brand-text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
        }

        .step-card::after {
            content: '';
            position: absolute;
            top: 50%;
            right: -16px;
            width: 14px;
            height: 2px;
            background: var(--brand-border);
        }

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

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(240, 168, 58, 0.25);
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 22px 28px;
            cursor: pointer;
            font-size: 1.05rem;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--brand-gold-light);
        }

        .faq-item summary .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid var(--brand-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--brand-gold);
            flex-shrink: 0;
            transition: transform 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
        }

        .faq-item details[open] summary .faq-icon {
            transform: rotate(45deg);
            background: rgba(240, 168, 58, 0.12);
            border-color: rgba(240, 168, 58, 0.4);
        }

        .faq-answer {
            padding: 0 28px 24px;
            color: var(--brand-text-muted);
            font-size: 0.96rem;
            line-height: 1.7;
            border-top: 1px solid transparent;
        }

        .faq-item details[open] .faq-answer {
            border-top-color: var(--brand-border);
            padding-top: 18px;
        }

        /* CTA */
        .cta-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            padding: 90px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 17, 32, 0.9), rgba(11, 17, 32, 0.96));
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
            background: rgba(19, 31, 51, 0.72);
            border: 1px solid rgba(240, 168, 58, 0.2);
            border-radius: var(--brand-radius-lg);
            padding: 56px 48px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--brand-shadow);
        }

        .cta-content h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-content p {
            color: var(--brand-text-muted);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* 页脚 */
        .footer {
            background: #080d18;
            border-top: 1px solid rgba(36, 52, 77, 0.5);
            padding: 60px 0 30px;
        }

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

        .footer-brand .logo-text {
            font-size: 1.4rem;
            margin-bottom: 14px;
            display: inline-block;
        }

        .footer-brand p {
            color: var(--brand-text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 18px;
            color: var(--brand-text);
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            color: var(--brand-text-muted);
            font-size: 0.92rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
        }

        .footer-col ul a i {
            font-size: 0.7rem;
        }

        .footer-col ul a:hover {
            color: var(--brand-gold);
            padding-left: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(36, 52, 77, 0.5);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            color: var(--brand-text-muted);
            font-size: 0.85rem;
        }

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

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

        /* 焦点 */
        a:focus-visible,
        button:focus-visible,
        details summary:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 3px;
            border-radius: 8px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .feature-grid {
                gap: 20px;
            }
            .steps-grid {
                gap: 20px;
            }
            .step-card::after {
                right: -12px;
                width: 10px;
            }
        }

        @media (max-width: 900px) {
            .desktop-nav {
                display: none !important;
            }
            .menu-toggle {
                display: flex;
            }
            .desktop-cta {
                display: none !important;
            }
            .stats-panel {
                grid-template-columns: repeat(2, 1fr);
                margin-top: -70px;
                padding: 24px;
            }
            .stat-item:nth-child(2)::after {
                display: none;
            }
            .stat-item:nth-child(3) {
                border-top: 1px solid var(--brand-border);
                padding-top: 24px;
            }
            .stat-item:nth-child(4) {
                border-top: 1px solid var(--brand-border);
                padding-top: 24px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                max-width: 520px;
                margin: 0 auto;
            }
            .category-grid {
                grid-template-columns: 1fr;
                max-width: 560px;
                margin: 0 auto;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .step-card::after {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 640px) {
            .section {
                padding: 64px 0;
            }
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .hero {
                background-attachment: scroll;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
                padding: 0 10px;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                max-width: 300px;
            }
            .stats-panel {
                grid-template-columns: 1fr 1fr;
                margin-top: -55px;
                padding: 20px 14px;
                gap: 12px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-label {
                font-size: 0.82rem;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 18px;
            }
            .news-content h3 {
                white-space: normal;
                font-size: 1rem;
            }
            .news-content p {
                white-space: normal;
            }
            .news-meta {
                width: 100%;
                justify-content: space-between;
                font-size: 0.8rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .step-card {
                padding: 26px 22px 24px;
            }
            .cta-content {
                padding: 40px 24px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .cta-buttons .btn {
                width: 100%;
                max-width: 280px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .faq-item summary {
                padding: 18px 20px;
                font-size: 1rem;
            }
            .faq-answer {
                padding: 0 20px 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }

        @media (max-width: 480px) {
            .logo-text {
                font-size: 1.1rem;
            }
            .hero-title {
                font-size: 1.9rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #f0a83a;
            --primary-dark: #d98c1f;
            --bg-dark: #0d0f1a;
            --bg-card: #1a1e2e;
            --text-main: #e8e6e3;
            --text-weak: #9a9aa7;
            --border: rgba(255, 255, 255, 0.08);
            --radius: 16px;
            --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        /* Header */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(13, 15, 26, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
        }

        .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .logo-text {
            display: inline-flex;
            align-items: center;
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
            transition: opacity 0.25s;
        }

        .logo-text:hover {
            opacity: 0.85;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-weak);
            border: 1px solid transparent;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-link i {
            font-size: 0.85rem;
            transition: transform 0.25s ease;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.08);
        }

        .nav-link:hover i {
            transform: translateY(-1px);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(240, 168, 58, 0.14);
            border-color: rgba(240, 168, 58, 0.35);
            box-shadow: 0 0 20px rgba(240, 168, 58, 0.12);
        }

        .nav-link.active i {
            color: var(--primary);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 0.92rem;
            font-weight: 600;
            color: #111522;
            background: linear-gradient(135deg, #f5b94e, #e8961e);
            box-shadow: 0 4px 20px rgba(240, 168, 58, 0.35);
            transition: all 0.3s ease;
            white-space: nowrap;
            border: none;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 28px rgba(240, 168, 58, 0.45);
            color: #111522;
        }

        .nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(240, 168, 58, 0.3);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 8px 12px;
            color: #fff;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.25s;
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

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

        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 16px 24px 24px;
            gap: 8px;
            background: rgba(13, 15, 26, 0.98);
            border-top: 1px solid var(--border);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link {
            border-radius: 12px;
            padding: 12px 16px;
        }

        .mobile-menu .nav-cta {
            justify-content: center;
            margin-top: 8px;
        }

        /* Footer */
        .footer {
            background: #0d0f1a;
            border-top: 1px solid var(--border);
            padding: 70px 0 32px;
        }

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

        .footer-brand .logo-text {
            font-size: 1.35rem;
            margin-bottom: 16px;
            display: inline-flex;
        }

        .footer-brand p {
            color: var(--text-weak);
            font-size: 0.92rem;
            line-height: 1.8;
            max-width: 380px;
            margin-top: 14px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-col a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-weak);
            font-size: 0.9rem;
            transition: all 0.25s;
        }

        .footer-col a i {
            font-size: 0.75rem;
            color: var(--primary);
            transition: transform 0.25s;
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-col a:hover i {
            transform: translateX(3px);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 28px;
            border-top: 1px solid var(--border);
            font-size: 0.85rem;
            color: var(--text-weak);
        }

        /* Hero */
        .category-hero {
            position: relative;
            padding: 160px 0 90px;
            background: linear-gradient(135deg, #0d0f1a 0%, #1a1e2e 55%, #2a220f 100%);
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to bottom, transparent, #0d0f1a);
            z-index: 1;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 18px;
            border-radius: 999px;
            background: rgba(240, 168, 58, 0.12);
            border: 1px solid rgba(240, 168, 58, 0.3);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
        }

        .category-hero h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
            max-width: 720px;
        }

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

        .category-hero p {
            font-size: 1.1rem;
            color: var(--text-weak);
            max-width: 620px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #f5b94e, #e8961e);
            color: #111522;
            padding: 14px 30px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.95rem;
            box-shadow: 0 4px 24px rgba(240, 168, 58, 0.3);
            transition: all 0.3s ease;
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(240, 168, 58, 0.4);
            color: #111522;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            transition: all 0.3s ease;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(240, 168, 58, 0.4);
            color: var(--primary);
        }

        /* Section */
        .section {
            padding: 80px 0;
        }

        .section-dark {
            background: #111522;
        }

        .section-header {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(240, 168, 58, 0.1);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
            border: 1px solid rgba(240, 168, 58, 0.2);
        }

        .section-header h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }

        .section-header p {
            color: var(--text-weak);
            font-size: 1.02rem;
            line-height: 1.8;
        }

        /* Guide Cards */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 32px 28px;
            position: relative;
            overflow: hidden;
            transition: all 0.35s ease;
        }

        .guide-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), transparent);
            opacity: 0;
            transition: opacity 0.35s;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
            border-color: rgba(240, 168, 58, 0.25);
        }

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

        .guide-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(240, 168, 58, 0.2), rgba(240, 168, 58, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 22px;
            font-size: 1.3rem;
            color: var(--primary);
            border: 1px solid rgba(240, 168, 58, 0.2);
        }

        .guide-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: #fff;
        }

        .guide-card p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.7;
        }

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

        .step-item {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border);
            border-radius: 18px;
            transition: all 0.3s ease;
        }

        .step-item:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(240, 168, 58, 0.25);
            transform: translateY(-4px);
        }

        .step-number {
            width: 48px;
            height: 48px;
            margin: 0 auto 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(240, 168, 58, 0.15);
            border: 1px solid rgba(240, 168, 58, 0.35);
            border-radius: 50%;
            color: var(--primary);
            font-weight: 800;
            font-size: 1.1rem;
        }

        .step-item h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: #fff;
        }

        .step-item p {
            font-size: 0.86rem;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* Content list */
        .content-list-section {
            background: #111522;
        }

        .content-list {
            max-width: 920px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .content-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 22px 26px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .content-item:hover {
            border-color: rgba(240, 168, 58, 0.3);
            transform: translateX(6px);
            background: rgba(26, 30, 46, 0.95);
        }

        .content-date {
            flex-shrink: 0;
            text-align: center;
            padding: 8px 14px;
            background: rgba(240, 168, 58, 0.1);
            border-radius: 12px;
            border: 1px solid rgba(240, 168, 58, 0.15);
            min-width: 64px;
        }

        .content-date .day {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .content-date .month {
            font-size: 0.7rem;
            color: var(--text-weak);
            letter-spacing: 1px;
        }

        .content-info {
            flex: 1;
        }

        .content-info h3 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
            transition: color 0.25s;
        }

        .content-item:hover .content-info h3 {
            color: var(--primary);
        }

        .content-info p {
            font-size: 0.82rem;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .content-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 0.72rem;
            background: rgba(240, 168, 58, 0.12);
            color: var(--primary);
            border: 1px solid rgba(240, 168, 58, 0.2);
            white-space: nowrap;
        }

        /* FAQ */
        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 0;
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: rgba(240, 168, 58, 0.25);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 22px 26px;
            background: none;
            border: none;
            color: #fff;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            text-align: left;
            transition: all 0.25s;
        }

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

        .faq-question .faq-icon {
            margin-left: auto;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: rgba(240, 168, 58, 0.15);
            color: var(--primary);
            font-size: 0.7rem;
            transition: transform 0.35s;
            flex-shrink: 0;
        }

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

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

        .faq-answer-inner {
            padding: 0 26px 22px;
            color: var(--text-weak);
            font-size: 0.92rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        /* CTA */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13, 15, 26, 0.86);
        }

        .cta-wrapper {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-wrapper h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }

        .cta-wrapper p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-wrapper {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .desktop-nav,
            .desktop-cta {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .navbar-inner {
                height: 64px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .category-hero {
                padding: 130px 0 60px;
            }
            .section {
                padding: 56px 0;
            }
            .content-item {
                flex-direction: row;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .steps-wrapper {
                grid-template-columns: 1fr;
            }
            .content-date {
                min-width: 56px;
                padding: 6px 10px;
            }
            .content-info p {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: article */
:root {
        --color-bg: #0b1120;
        --color-bg-alt: #111a2e;
        --color-card: rgba(255, 255, 255, 0.03);
        --color-border: rgba(255, 255, 255, 0.08);
        --color-text: rgba(255, 255, 255, 0.88);
        --color-text-muted: rgba(255, 255, 255, 0.55);
        --color-accent: #f0a83a;
        --color-accent-hover: #d4942e;
        --color-accent-rgb: 240, 168, 58;
        --radius: 14px;
        --radius-sm: 8px;
        --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
        --transition: all 0.3s ease;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        background: var(--color-bg);
        color: var(--color-text);
        line-height: 1.7;
        overflow-x: hidden;
    }

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

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

    button {
        font-family: inherit;
    }

    .container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 1.5rem;
    }

    /* ===== NAVBAR ===== */
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(10, 14, 23, 0.94);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }

    .navbar-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 72px;
        gap: 1rem;
    }

    .logo-text {
        font-size: 1.3rem;
        font-weight: 800;
        color: #fff;
        display: inline-flex;
        align-items: center;
        letter-spacing: 0.01em;
        white-space: nowrap;
    }

    .logo-text i {
        color: var(--color-accent);
        font-size: 1.4rem;
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 2rem;
    }

    .nav-link {
        color: rgba(255, 255, 255, 0.68);
        font-size: 0.95rem;
        font-weight: 500;
        padding: 0.5rem 0.15rem;
        border-bottom: 2px solid transparent;
        display: inline-flex;
        align-items: center;
        gap: 0.45rem;
        white-space: nowrap;
        transition: color 0.3s ease, border-color 0.3s ease;
    }

    .nav-link:hover {
        color: var(--color-accent);
        border-bottom-color: var(--color-accent);
    }

    .nav-link.active {
        color: var(--color-accent);
        border-bottom-color: var(--color-accent);
    }

    .nav-cta {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        background: linear-gradient(135deg, #f0a83a, #dd942e);
        color: #0b1120;
        font-weight: 700;
        font-size: 0.9rem;
        padding: 0.6rem 1.25rem;
        border-radius: var(--radius-sm);
        box-shadow: 0 4px 16px rgba(var(--color-accent-rgb), 0.25);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        white-space: nowrap;
    }

    .nav-cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(var(--color-accent-rgb), 0.35);
        color: #0b1120;
    }

    .menu-toggle {
        display: none;
        background: none;
        border: none;
        color: #fff;
        font-size: 1.5rem;
        cursor: pointer;
        padding: 0.25rem 0.5rem;
        border-radius: var(--radius-sm);
    }

    .menu-toggle:hover {
        background: rgba(255, 255, 255, 0.06);
    }

    .mobile-menu {
        display: none;
        padding: 1rem 1.5rem 1.5rem;
        background: rgba(10, 14, 23, 0.98);
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .mobile-menu.open {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
    }

    .mobile-menu .nav-link {
        padding: 0.65rem 0;
        border-bottom: none;
        font-size: 1.05rem;
    }

    .mobile-menu .nav-cta {
        margin-top: 0.5rem;
        justify-content: center;
        text-align: center;
    }

    /* ===== ARTICLE HERO ===== */
    .article-hero {
        position: relative;
        padding: 140px 0 72px;
        background-image: url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        background-color: #0b1120;
    }

    .article-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to bottom, rgba(11, 17, 32, 0.82), rgba(11, 17, 32, 0.65) 50%, rgba(11, 17, 32, 0.94));
    }

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

    .breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 0.5rem;
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.55);
        margin-bottom: 1.25rem;
    }

    .breadcrumb a {
        color: rgba(255, 255, 255, 0.7);
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
    }

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

    .breadcrumb .sep {
        color: rgba(255, 255, 255, 0.3);
    }

    .hero-tag {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        background: rgba(var(--color-accent-rgb), 0.15);
        color: var(--color-accent);
        border: 1px solid rgba(var(--color-accent-rgb), 0.3);
        padding: 0.3rem 0.9rem;
        border-radius: 100px;
        font-size: 0.8rem;
        font-weight: 600;
        margin-bottom: 1rem;
    }

    .article-hero h1 {
        font-size: 2.4rem;
        font-weight: 800;
        line-height: 1.3;
        color: #fff;
        max-width: 840px;
        letter-spacing: 0.01em;
    }

    .hero-meta {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 1.5rem;
        margin-top: 1.25rem;
    }

    .hero-meta span {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        color: rgba(255, 255, 255, 0.65);
        font-size: 0.85rem;
    }

    .hero-meta i {
        color: var(--color-accent);
    }

    /* ===== MAIN CONTENT ===== */
    .article-main {
        padding: 56px 0 0;
        background: var(--color-bg);
    }

    .content-grid {
        display: grid;
        grid-template-columns: 1fr 340px;
        gap: 2.5rem;
        align-items: start;
    }

    .article-body-wrap {
        background: rgba(255, 255, 255, 0.02);
        border: 1px solid var(--color-border);
        border-radius: var(--radius);
        padding: 2.5rem;
        box-shadow: var(--shadow);
    }

    .article-content {
        font-size: 1.05rem;
        line-height: 1.85;
        color: rgba(255, 255, 255, 0.85);
    }

    .article-content h2,
    .article-content h3,
    .article-content h4 {
        color: #fff;
        font-weight: 700;
        margin-top: 2rem;
        margin-bottom: 1rem;
        line-height: 1.4;
    }

    .article-content h2 {
        font-size: 1.55rem;
        border-left: 4px solid var(--color-accent);
        padding-left: 0.85rem;
    }

    .article-content h3 {
        font-size: 1.25rem;
    }

    .article-content p {
        margin-bottom: 1.25rem;
    }

    .article-content ul,
    .article-content ol {
        margin: 1rem 0;
        padding-left: 1.5rem;
    }

    .article-content li {
        margin-bottom: 0.5rem;
    }

    .article-content li::marker {
        color: var(--color-accent);
    }

    .article-content a {
        color: var(--color-accent);
        text-decoration: underline;
        text-underline-offset: 3px;
    }

    .article-content blockquote {
        border-left: 3px solid var(--color-accent);
        padding: 1rem 1.25rem;
        margin: 1.5rem 0;
        background: rgba(var(--color-accent-rgb), 0.05);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        color: rgba(255, 255, 255, 0.7);
        font-style: italic;
    }

    .article-content img {
        border-radius: 12px;
        margin: 1.5rem 0;
        box-shadow: var(--shadow);
    }

    .article-content table {
        width: 100%;
        border-collapse: collapse;
        margin: 1.5rem 0;
    }

    .article-content table th,
    .article-content table td {
        border: 1px solid var(--color-border);
        padding: 0.75rem 1rem;
        text-align: left;
    }

    .article-content table th {
        background: rgba(255, 255, 255, 0.04);
        font-weight: 600;
        color: #fff;
    }

    .post-bottom-info {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 1rem;
        margin-top: 2rem;
        padding-top: 1.5rem;
        border-top: 1px solid var(--color-border);
    }

    .post-bottom-info .tag-item {
        display: inline-flex;
        align-items: center;
        gap: 0.3rem;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid var(--color-border);
        padding: 0.3rem 0.8rem;
        border-radius: 100px;
        font-size: 0.8rem;
        color: rgba(255, 255, 255, 0.65);
    }

    /* ===== SIDEBAR ===== */
    .sidebar {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
        position: sticky;
        top: 90px;
    }

    .side-card {
        background: rgba(255, 255, 255, 0.025);
        border: 1px solid var(--color-border);
        border-radius: var(--radius);
        padding: 1.5rem;
        transition: border-color 0.3s ease, box-shadow 0.3s ease;
    }

    .side-card:hover {
        border-color: rgba(var(--color-accent-rgb), 0.2);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    }

    .side-card h3 {
        display: flex;
        align-items: center;
        gap: 0.6rem;
        font-size: 1.1rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 1.25rem;
    }

    .side-card h3 i {
        color: var(--color-accent);
    }

    .side-card h3::after {
        content: '';
        flex: 1;
        height: 1px;
        background: var(--color-border);
        margin-left: 0.5rem;
    }

    .side-about-img {
        border-radius: 10px;
        margin-bottom: 1rem;
        width: 100%;
        object-fit: cover;
        height: 120px;
    }

    .side-about-text {
        font-size: 0.875rem;
        color: rgba(255, 255, 255, 0.65);
        line-height: 1.75;
    }

    .related-list {
        list-style: none;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
    }

    .related-list li {
        border-left: 2px solid var(--color-border);
        padding-left: 0.75rem;
        transition: border-color 0.3s ease;
    }

    .related-list li:hover {
        border-left-color: var(--color-accent);
    }

    .related-list a {
        font-size: 0.875rem;
        color: rgba(255, 255, 255, 0.75);
        line-height: 1.5;
        display: block;
    }

    .related-list a:hover {
        color: var(--color-accent);
    }

    .related-list .r-date {
        font-size: 0.75rem;
        color: rgba(255, 255, 255, 0.4);
        margin-top: 0.15rem;
    }

    .quick-links {
        display: flex;
        flex-direction: column;
        gap: 0.6rem;
    }

    .quick-links a {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.6rem 0.9rem;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-sm);
        font-size: 0.9rem;
        color: rgba(255, 255, 255, 0.8);
        transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
    }

    .quick-links a:hover {
        background: rgba(var(--color-accent-rgb), 0.08);
        border-color: rgba(var(--color-accent-rgb), 0.3);
        color: var(--color-accent);
    }

    .quick-links a i {
        color: var(--color-accent);
        font-size: 0.85rem;
    }

    /* ===== NOT FOUND ===== */
    .not-found-box {
        text-align: center;
        padding: 4rem 2rem;
        background: rgba(255, 255, 255, 0.02);
        border: 1px solid var(--color-border);
        border-radius: var(--radius);
    }

    .not-found-box .nf-icon {
        font-size: 3.5rem;
        color: var(--color-accent);
        margin-bottom: 1rem;
        opacity: 0.7;
    }

    .not-found-box h2 {
        font-size: 1.6rem;
        color: #fff;
        margin-bottom: 0.75rem;
    }

    .not-found-box p {
        color: rgba(255, 255, 255, 0.6);
        margin-bottom: 1.5rem;
        font-size: 0.95rem;
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        background: linear-gradient(135deg, #f0a83a, #dd942e);
        color: #0b1120;
        font-weight: 700;
        font-size: 0.95rem;
        padding: 0.75rem 1.75rem;
        border-radius: var(--radius-sm);
        box-shadow: 0 4px 16px rgba(var(--color-accent-rgb), 0.25);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 28px rgba(var(--color-accent-rgb), 0.35);
        color: #0b1120;
    }

    /* ===== STATS STRIP ===== */
    .stats-strip {
        padding: 48px 0;
        margin-top: 56px;
        background: var(--color-bg-alt);
        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);
    }

    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
        text-align: center;
    }

    .stat-item .stat-num {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--color-accent);
        line-height: 1.2;
    }

    .stat-item .stat-label {
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.55);
        margin-top: 0.35rem;
    }

    /* ===== FAQ ===== */
    .faq-section {
        padding: 72px 0;
        background: var(--color-bg);
    }

    .section-head {
        text-align: center;
        margin-bottom: 40px;
    }

    .section-head .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        color: var(--color-accent);
        font-size: 0.9rem;
        font-weight: 600;
        letter-spacing: 0.05em;
        margin-bottom: 0.75rem;
    }

    .section-head h2 {
        font-size: 2.2rem;
        font-weight: 800;
        color: #fff;
        line-height: 1.3;
    }

    .section-head p {
        color: rgba(255, 255, 255, 0.55);
        margin-top: 0.75rem;
        max-width: 640px;
        margin-left: auto;
        margin-right: auto;
        font-size: 0.95rem;
    }

    .faq-list {
        max-width: 820px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 0.85rem;
    }

    .faq-item {
        background: rgba(255, 255, 255, 0.025);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-sm);
        overflow: hidden;
        transition: border-color 0.3s ease;
    }

    .faq-item:hover {
        border-color: rgba(var(--color-accent-rgb), 0.15);
    }

    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        width: 100%;
        background: none;
        border: none;
        padding: 1.1rem 1.25rem;
        font-size: 1rem;
        font-weight: 600;
        color: rgba(255, 255, 255, 0.88);
        cursor: pointer;
        text-align: left;
        transition: color 0.3s ease;
    }

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

    .faq-question .faq-icon {
        flex-shrink: 0;
        color: var(--color-accent);
        transition: transform 0.3s ease;
        font-size: 0.85rem;
        width: 24px;
        height: 24px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: rgba(var(--color-accent-rgb), 0.1);
    }

    .faq-question.open .faq-icon {
        transform: rotate(180deg);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
    }

    .faq-answer-inner {
        padding: 0 1.25rem 1.25rem;
        font-size: 0.925rem;
        color: rgba(255, 255, 255, 0.65);
        line-height: 1.8;
    }

    /* ===== CTA ===== */
    .cta-section {
        position: relative;
        padding: 80px 0;
        background-image: url('/assets/images/backpic/back-3.png');
        background-size: cover;
        background-position: center;
        background-color: #0b1120;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to right, rgba(11, 17, 32, 0.9), rgba(11, 17, 32, 0.75));
    }

    .cta-section .container {
        position: relative;
        z-index: 2;
        text-align: center;
        max-width: 760px;
    }

    .cta-section h2 {
        font-size: 2.2rem;
        font-weight: 800;
        color: #fff;
        margin-bottom: 1rem;
        line-height: 1.3;
    }

    .cta-section p {
        color: rgba(255, 255, 255, 0.7);
        font-size: 1rem;
        line-height: 1.8;
        margin-bottom: 2rem;
    }

    .cta-btns {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .btn-light {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        background: #fff;
        color: #0b1120;
        font-weight: 700;
        font-size: 0.95rem;
        padding: 0.8rem 2rem;
        border-radius: var(--radius-sm);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    }

    .btn-light:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 28px rgba(255, 255, 255, 0.2);
        color: #0b1120;
    }

    .btn-outline-light {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        background: transparent;
        color: #fff;
        font-weight: 600;
        font-size: 0.95rem;
        padding: 0.75rem 1.75rem;
        border-radius: var(--radius-sm);
        border: 1.5px solid rgba(255, 255, 255, 0.3);
        transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
    }

    .btn-outline-light:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
        transform: translateY(-3px);
        background: rgba(var(--color-accent-rgb), 0.05);
    }

    /* ===== FOOTER ===== */
    .footer {
        background: #0a0d16;
        border-top: 1px solid var(--color-border);
        padding: 56px 0 24px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 2.5rem;
        margin-bottom: 2rem;
    }

    .footer-brand .logo-text {
        margin-bottom: 1rem;
        font-size: 1.2rem;
    }

    .footer-brand p {
        color: rgba(255, 255, 255, 0.5);
        font-size: 0.875rem;
        line-height: 1.75;
        max-width: 320px;
    }

    .footer-col h4 {
        color: #fff;
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 1rem;
    }

    .footer-col ul {
        list-style: none;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 0.65rem;
    }

    .footer-col ul a {
        color: rgba(255, 255, 255, 0.55);
        font-size: 0.875rem;
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
    }

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

    .footer-col ul a i {
        font-size: 0.75rem;
        color: var(--color-accent);
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding-top: 1.25rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 0.75rem;
        font-size: 0.8rem;
        color: rgba(255, 255, 255, 0.35);
    }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 1024px) {
        .content-grid {
            grid-template-columns: 1fr;
        }

        .sidebar {
            position: static;
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }

        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
    }

    @media (max-width: 768px) {
        .desktop-nav,
        .desktop-cta {
            display: none !important;
        }

        .menu-toggle {
            display: block;
        }

        .mobile-menu {
            display: none;
        }

        .mobile-menu.open {
            display: flex;
        }

        .navbar-inner {
            min-height: 64px;
        }

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

        .logo-text i {
            font-size: 1.2rem;
        }

        .article-hero {
            padding: 110px 0 50px;
        }

        .article-hero h1 {
            font-size: 1.7rem;
        }

        .hero-meta {
            gap: 1rem;
        }

        .article-body-wrap {
            padding: 1.5rem;
        }

        .article-content {
            font-size: 0.95rem;
        }

        .article-content h2 {
            font-size: 1.3rem;
        }

        .section-head h2 {
            font-size: 1.7rem;
        }

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

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

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

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

        .cta-section h2 {
            font-size: 1.7rem;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding: 0 1rem;
        }

        .article-hero h1 {
            font-size: 1.45rem;
        }

        .breadcrumb {
            font-size: 0.78rem;
        }

        .article-body-wrap {
            padding: 1.25rem;
            border-radius: 10px;
        }

        .stats-grid {
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        .cta-btns {
            flex-direction: column;
        }

        .cta-btns .btn-light,
        .cta-btns .btn-outline-light {
            width: 100%;
            justify-content: center;
        }

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

/* roulang page: category2 */
:root {
            --primary: #f0a83a;
            --primary-dark: #d18e1f;
            --deep: #0b1220;
            --deep-light: #111c33;
            --deep-lighter: #182644;
            --text-main: #e8edf7;
            --text-weak: #93a1b8;
            --border-soft: rgba(240, 168, 58, 0.15);
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 50px rgba(0, 0, 0, 0.5);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: var(--deep);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
        }

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

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

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

        input, select, textarea {
            font-family: inherit;
            outline: none;
        }

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

        /* ── 导航栏 ── */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(11, 18, 32, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(240, 168, 58, 0.15);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.45);
        }

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

        .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            white-space: nowrap;
        }

        .logo-text i {
            color: var(--primary);
            font-size: 1.35rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 18px;
            border-radius: 999px;
            color: var(--text-weak);
            font-size: 0.92rem;
            font-weight: 500;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }

        .nav-link i {
            font-size: 0.9rem;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(240, 168, 58, 0.1);
            border-color: rgba(240, 168, 58, 0.25);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(240, 168, 58, 0.12);
            border-color: rgba(240, 168, 58, 0.35);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 22px;
            border-radius: 999px;
            background: linear-gradient(135deg, #f0a83a, #e8922c);
            color: #0b1220;
            font-size: 0.9rem;
            font-weight: 700;
            border: none;
            box-shadow: 0 4px 20px rgba(240, 168, 58, 0.35);
            transition: all 0.25s ease;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(240, 168, 58, 0.5);
            color: #0b1220;
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(240, 168, 58, 0.12);
            color: var(--primary);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(240, 168, 58, 0.25);
        }

        .mobile-menu {
            display: none;
            padding: 12px 24px 20px;
            background: rgba(11, 18, 32, 0.98);
            border-top: 1px solid rgba(240, 168, 58, 0.12);
        }

        .mobile-menu .nav-link {
            display: flex;
            width: 100%;
            padding: 13px 16px;
            border-radius: 10px;
            margin-bottom: 6px;
            font-size: 1rem;
        }

        .mobile-menu .nav-cta {
            display: flex;
            width: 100%;
            justify-content: center;
            margin-top: 8px;
            padding: 12px 22px;
        }

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

        /* ── Hero 内页横幅 ── */
        .page-hero {
            position: relative;
            padding: 140px 0 80px;
            background-image: linear-gradient(rgba(11, 18, 32, 0.82), rgba(11, 18, 32, 0.9)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            border-bottom: 1px solid var(--border-soft);
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(transparent, var(--deep));
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240, 168, 58, 0.12);
            border: 1px solid rgba(240, 168, 58, 0.3);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

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

        .page-hero p {
            font-size: 1.05rem;
            color: var(--text-weak);
            max-width: 640px;
            line-height: 1.8;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
        }

        .hero-stat .label {
            font-size: 0.82rem;
            color: var(--text-weak);
        }

        /* ── 板块通用 ── */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--deep-light);
            border-top: 1px solid rgba(240, 168, 58, 0.08);
            border-bottom: 1px solid rgba(240, 168, 58, 0.08);
        }

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

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-weak);
            max-width: 640px;
            margin: 0 auto;
            font-size: 1rem;
        }

        /* ── 服务保障卡片 ── */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: linear-gradient(145deg, var(--deep-lighter), var(--deep-light));
            border: 1px solid rgba(240, 168, 58, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), transparent);
            opacity: 0.5;
            transition: opacity 0.3s;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(240, 168, 58, 0.35);
        }

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

        .service-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(240, 168, 58, 0.15);
            border: 1px solid rgba(240, 168, 58, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .service-card p {
            color: var(--text-weak);
            font-size: 0.9rem;
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            background: rgba(240, 168, 58, 0.1);
            border: 1px solid rgba(240, 168, 58, 0.2);
            border-radius: 999px;
            font-size: 0.75rem;
            color: rgba(240, 168, 58, 0.9);
            font-weight: 500;
        }

        /* ── 保障流程时间线 ── */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-step {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
        }

        .process-step:hover {
            border-color: rgba(240, 168, 58, 0.4);
            background: rgba(240, 168, 58, 0.05);
            transform: translateY(-4px);
        }

        .step-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), #d18e1f);
            color: #0b1220;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(240, 168, 58, 0.3);
        }

        .process-step h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .process-step p {
            color: var(--text-weak);
            font-size: 0.85rem;
            line-height: 1.65;
        }

        /* ── 数据保障模块 ── */
        .assurance-panel {
            background: linear-gradient(135deg, rgba(240, 168, 58, 0.08), rgba(240, 168, 58, 0.02));
            border: 1px solid rgba(240, 168, 58, 0.2);
            border-radius: 20px;
            padding: 40px;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .assurance-panel h3 {
            font-size: 1.4rem;
            color: #fff;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .assurance-panel p {
            color: var(--text-weak);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .assurance-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .assurance-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: #c9d3e5;
            font-size: 0.92rem;
        }

        .assurance-list li i {
            color: var(--primary);
            margin-top: 4px;
            font-size: 0.8rem;
        }

        .assurance-metrics {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .metric-card {
            background: rgba(11, 18, 32, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            text-align: center;
        }

        .metric-card .value {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--primary);
        }

        .metric-card .unit {
            font-size: 0.75rem;
            color: var(--text-weak);
            margin-top: 4px;
        }

        /* ── 资讯卡片 ── */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--deep-light);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(240, 168, 58, 0.3);
        }

        .news-cover {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .news-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-card:hover .news-cover img {
            transform: scale(1.06);
        }

        .news-body {
            padding: 20px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--text-weak);
            margin-bottom: 10px;
        }

        .news-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .news-body p {
            font-size: 0.85rem;
            color: var(--text-weak);
            line-height: 1.65;
        }

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

        .faq-item {
            background: var(--deep-light);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.3s;
        }

        .faq-item:hover {
            border-color: rgba(240, 168, 58, 0.3);
        }

        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            color: #e8edf7;
        }

        .faq-question i {
            color: var(--primary);
            font-size: 0.85rem;
            transition: transform 0.3s;
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--text-weak);
            font-size: 0.9rem;
            line-height: 1.75;
            padding-top: 0;
            padding-bottom: 0;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 22px;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        /* ── CTA ── */
        .cta-section {
            position: relative;
            padding: 70px 0;
            background-image: linear-gradient(rgba(11, 18, 32, 0.85), rgba(11, 18, 32, 0.9)), url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            text-align: center;
        }

        .cta-section h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: var(--text-weak);
            max-width: 560px;
            margin: 0 auto 30px;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, #f0a83a, #e8922c);
            color: #0b1220;
            padding: 14px 36px;
            border-radius: 999px;
            font-size: 1rem;
            font-weight: 700;
            box-shadow: 0 8px 30px rgba(240, 168, 58, 0.35);
            transition: all 0.3s ease;
        }

        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(240, 168, 58, 0.5);
            color: #0b1220;
        }

        .cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 999px;
            border: 1px solid rgba(240, 168, 58, 0.4);
            color: var(--primary);
            font-weight: 600;
            margin-left: 14px;
            transition: all 0.3s;
        }

        .cta-secondary:hover {
            background: rgba(240, 168, 58, 0.1);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ── 页脚 ── */
        .footer {
            background: #070d1a;
            border-top: 1px solid rgba(240, 168, 58, 0.1);
            padding: 64px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 44px;
        }

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

        .footer-brand p {
            color: var(--text-weak);
            font-size: 0.88rem;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }

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

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

        .footer-col ul li a {
            color: var(--text-weak);
            font-size: 0.88rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.25s;
        }

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

        .footer-col ul li a i {
            font-size: 0.7rem;
            color: var(--primary);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: #67748c;
            font-size: 0.8rem;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* ── 响应式 ── */
        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .assurance-panel {
                grid-template-columns: 1fr;
                padding: 32px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }

            .desktop-nav,
            .desktop-cta {
                display: none !important;
            }

            .menu-toggle {
                display: flex;
            }

            .page-hero {
                padding: 110px 0 60px;
                background-attachment: scroll;
            }

            .section {
                padding: 56px 0;
            }

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

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

            .assurance-panel {
                padding: 24px;
            }

            .assurance-metrics {
                gap: 12px;
            }

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

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

            .hero-stats {
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

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

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

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

            .cta-secondary {
                margin-left: 0;
                margin-top: 14px;
            }

            .cta-section .cta-btns {
                display: flex;
                flex-direction: column;
                align-items: center;
            }

            .hero-stat .num {
                font-size: 1.4rem;
            }
        }

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