/* roulang page: index */
:root {
            --primary: #1a2e4a;
            --primary-dark: #0d1b2a;
            --accent: #d4a853;
            --accent-hover: #c0973e;
            --bg: #f7f6f2;
            --bg-dark: #111c28;
            --text: #1a1a2e;
            --text-light: #5a6575;
            --border: #e8e4dc;
            --shadow: 0 20px 60px rgba(15, 30, 50, 0.08);
            --radius: 16px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }

        button {
            cursor: pointer;
            border: none;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(232, 228, 220, .8);
            transition: box-shadow .3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(13, 27, 42, .08);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: #0d1b2a;
            display: flex;
            align-items: center;
            gap: 6px;
            letter-spacing: -0.5px;
        }

        .logo i {
            color: #d4a853;
            font-size: 1.2rem;
        }

        .logo span {
            background: linear-gradient(135deg, #d4a853, #a3762a);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-links a {
            padding: 10px 18px;
            font-size: .95rem;
            font-weight: 500;
            color: #4a5568;
            border-radius: 10px;
            position: relative;
        }

        .nav-links a:hover {
            color: #0d1b2a;
            background: rgba(13, 27, 42, .05);
        }

        .nav-links a.active {
            color: #0d1b2a;
            font-weight: 700;
            background: rgba(13, 27, 42, .06);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 2px;
            background: #d4a853;
            border-radius: 2px;
        }

        .btn-cta-nav {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #0d1b2a;
            color: #fff;
            font-weight: 600;
            font-size: .9rem;
            padding: 10px 22px;
            border-radius: 12px;
            transition: all .3s ease;
        }

        .btn-cta-nav:hover {
            background: #d4a853;
            box-shadow: 0 8px 30px rgba(212, 168, 83, .35);
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            font-size: 1.4rem;
            color: #0d1b2a;
            padding: 6px;
            border-radius: 8px;
        }

        .mobile-toggle:focus {
            outline: 2px solid #d4a853;
            outline-offset: 2px;
        }

        @media (max-width: 768px) {
            .nav-links,
            .btn-cta-nav {
                display: none;
            }
            .mobile-toggle {
                display: inline-flex;
            }
            .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: #fff;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 20px 40px rgba(13, 27, 42, .1);
                gap: 6px;
            }
            .nav-links.open a {
                padding: 12px 16px;
            }
            .nav-links.open a.active::after {
                display: none;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background-size: cover;
            background-position: center;
            min-height: 620px;
            display: flex;
            align-items: center;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(7, 15, 26, 0.92) 0%, rgba(13, 27, 42, 0.78) 45%, rgba(13, 27, 42, 0.45) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 100px 0;
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 83, 0.15);
            border: 1px solid rgba(212, 168, 83, 0.35);
            color: #d4a853;
            font-size: .82rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
        }

        .hero-badge i {
            font-size: .7rem;
        }

        .hero h1 {
            color: #fff;
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }

        .hero h1 span {
            color: #d4a853;
        }

        .hero-desc {
            color: rgba(255, 255, 255, .85);
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 520px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: .95rem;
            padding: 14px 28px;
            border-radius: 14px;
            transition: all .3s ease;
        }

        .btn-gold {
            background: #d4a853;
            color: #0d1b2a;
            box-shadow: 0 8px 30px rgba(212, 168, 83, .35);
        }

        .btn-gold:hover {
            background: #c0973e;
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(212, 168, 83, .45);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .6);
        }

        .btn-outline-light:hover {
            border-color: #d4a853;
            color: #d4a853;
            background: rgba(212, 168, 83, .08);
        }

        @media (max-width: 768px) {
            .hero {
                min-height: 500px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-content {
                padding: 60px 0;
            }
        }

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

        .section-alt {
            background: #fff;
        }

        .section-dark {
            background: #0d1b2a;
            color: #fff;
        }

        .section-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            font-size: .78rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: #d4a853;
            margin-bottom: 12px;
            background: rgba(212, 168, 83, 0.1);
            padding: 4px 14px;
            border-radius: 50px;
        }

        .section-header h2 {
            font-size: 2.1rem;
            font-weight: 800;
            line-height: 1.3;
            color: #0d1b2a;
            margin-bottom: 16px;
        }

        .section-header p {
            color: #5a6575;
            font-size: 1rem;
            line-height: 1.7;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-dark .section-header p {
            color: rgba(255, 255, 255, .7);
        }

        .section-dark .section-tag {
            background: rgba(212, 168, 83, 0.15);
        }

        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
        }

        /* ===== 数据指标 ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .metric-card {
            background: #fff;
            border-radius: 20px;
            padding: 32px 24px;
            text-align: center;
            border: 1px solid rgba(232, 228, 220, .8);
            transition: all .3s ease;
        }

        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 48px rgba(13, 27, 42, .1);
            border-color: rgba(212, 168, 83, .3);
        }

        .metric-number {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.1;
            background: linear-gradient(135deg, #0d1b2a, #3a5a7a);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .metric-label {
            color: #5a6575;
            font-size: .88rem;
            margin-top: 8px;
        }

        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 品牌优势 ===== */
        .adv-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .adv-image {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 24px 80px rgba(13, 27, 42, .2);
        }

        .adv-image img {
            width: 100%;
            height: 460px;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .adv-image:hover img {
            transform: scale(1.03);
        }

        .adv-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 27, 42, .3), transparent 60%);
        }

        .adv-tag {
            position: absolute;
            left: 20px;
            bottom: 20px;
            z-index: 2;
            background: #d4a853;
            color: #0d1b2a;
            font-size: .82rem;
            font-weight: 700;
            padding: 8px 16px;
            border-radius: 50px;
        }

        .adv-list {
            margin-top: 28px;
            display: grid;
            gap: 14px;
        }

        .adv-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }

        .adv-item-icon {
            width: 40px;
            height: 40px;
            min-width: 40px;
            background: rgba(212, 168, 83, .12);
            color: #a3762a;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .9rem;
        }

        .adv-item h4 {
            font-weight: 700;
            font-size: 1rem;
            color: #0d1b2a;
            margin-bottom: 2px;
        }

        .adv-item p {
            font-size: .88rem;
            color: #5a6575;
            line-height: 1.6;
        }

        @media (max-width: 900px) {
            .adv-wrap {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .adv-image img {
                height: 300px;
            }
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .category-card {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            background: #fff;
            box-shadow: 0 4px 24px rgba(13, 27, 42, .06);
            transition: all .3s ease;
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 56px rgba(13, 27, 42, .12);
        }

        .category-card-img {
            height: 190px;
            overflow: hidden;
            position: relative;
        }

        .category-card-img img {
            width: 100%;
            height: 100%;
            transition: transform .5s ease;
        }

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

        .category-card-body {
            padding: 28px 24px 24px;
        }

        .category-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #0d1b2a;
        }

        .category-card-body p {
            font-size: .9rem;
            color: #5a6575;
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: .88rem;
            color: #a3762a;
        }

        .category-link:hover {
            color: #0d1b2a;
            gap: 10px;
        }

        @media (max-width: 900px) {
            .category-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }
        }

        /* ===== 最新信息列表 ===== */
        .latest-wrap {
            display: grid;
            gap: 16px;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: #fff;
            border: 1px solid rgba(232, 228, 220, .8);
            border-radius: 16px;
            padding: 18px 24px;
            transition: all .3s ease;
        }

        .news-item:hover {
            box-shadow: 0 12px 40px rgba(13, 27, 42, .08);
            border-color: rgba(212, 168, 83, .3);
            transform: translateX(4px);
        }

        .news-cat {
            background: rgba(13, 27, 42, .06);
            color: #0d1b2a;
            font-size: .75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
            white-space: nowrap;
        }

        .news-title {
            flex: 1;
            font-size: .98rem;
            font-weight: 600;
            color: #0d1b2a;
            line-height: 1.5;
        }

        .news-item:hover .news-title {
            color: #a3762a;
        }

        .news-desc {
            flex: 1.4;
            font-size: .85rem;
            color: #5a6575;
            line-height: 1.5;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .news-time {
            font-size: .8rem;
            color: #9aa3af;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: #5a6575;
            background: #fff;
            border-radius: 20px;
            border: 1px dashed #d4a853;
            font-size: .95rem;
        }

        @media (max-width: 768px) {
            .news-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 16px 18px;
            }
            .news-desc {
                flex-basis: 100%;
                -webkit-line-clamp: 2;
            }
            .news-time {
                margin-left: auto;
            }
        }

        /* ===== 用户口碑 ===== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 20px;
            padding: 28px;
            transition: all .3s ease;
        }

        .review-card:hover {
            background: rgba(255, 255, 255, .07);
            transform: translateY(-4px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, .2);
        }

        .review-stars {
            color: #d4a853;
            font-size: .8rem;
            margin-bottom: 14px;
            letter-spacing: 2px;
        }

        .review-card p {
            color: rgba(255, 255, 255, .75);
            font-size: .92rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .review-user img {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            object-fit: cover;
        }

        .review-user-name {
            font-weight: 600;
            font-size: .9rem;
            color: #fff;
        }

        .review-user-role {
            font-size: .78rem;
            color: rgba(255, 255, 255, .5);
        }

        @media (max-width: 900px) {
            .review-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }
        }

        /* ===== 流程 ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .process-step {
            position: relative;
            background: #fff;
            border-radius: 20px;
            padding: 36px 24px 28px;
            text-align: center;
            box-shadow: 0 4px 20px rgba(13, 27, 42, .05);
        }

        .process-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            background: #0d1b2a;
            color: #d4a853;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
        }

        .process-step h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 6px;
            color: #0d1b2a;
        }

        .process-step p {
            font-size: .84rem;
            color: #5a6575;
            line-height: 1.6;
        }

        @media (max-width: 900px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .process-grid {
                grid-template-columns: 1fr;
                max-width: 360px;
                margin: 0 auto;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: grid;
            gap: 14px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid rgba(232, 228, 220, .8);
            border-radius: 16px;
            overflow: hidden;
            transition: box-shadow .3s ease;
        }

        .faq-item:hover {
            box-shadow: 0 8px 30px rgba(13, 27, 42, .06);
        }

        .faq-item summary {
            padding: 20px 24px;
            font-weight: 600;
            font-size: .95rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
            color: #0d1b2a;
        }

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

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: .8rem;
            color: #a3762a;
            transition: transform .3s ease;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item[open] {
            border-color: rgba(212, 168, 83, .4);
        }

        .faq-item .faq-body {
            padding: 0 24px 20px;
            color: #5a6575;
            font-size: .9rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0d1b2a 0%, #152840 100%);
            position: relative;
            overflow: hidden;
            border-radius: 28px;
            padding: 72px 40px;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(212, 168, 83, .08);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(212, 168, 83, .05);
        }

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

        .cta-inner h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, .7);
            font-size: 1rem;
            max-width: 480px;
            margin: 0 auto 32px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a1420;
            color: rgba(255, 255, 255, .6);
            padding: 60px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

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

        .footer-brand p {
            font-size: .85rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h5 {
            color: #fff;
            font-weight: 600;
            font-size: .9rem;
            margin-bottom: 18px;
        }

        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: .85rem;
            color: rgba(255, 255, 255, .5);
            transition: color .25s, padding-left .25s;
        }

        .footer-col a:hover {
            color: #d4a853;
            padding-left: 6px;
        }

        .footer-bottom {
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: .78rem;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-section {
                padding: 50px 24px;
            }
            .cta-inner h2 {
                font-size: 1.6rem;
            }
        }

        /* ===== 细节 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity .6s ease, transform .6s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        :focus-visible {
            outline: 3px solid rgba(212, 168, 83, .5);
            outline-offset: 2px;
        }

        ::selection {
            background: rgba(212, 168, 83, .25);
        }

/* roulang page: article */
:root {
            --primary: #16294d;
            --primary-dark: #0c1a33;
            --primary-light: #2a4a7f;
            --accent: #c9a227;
            --accent-light: #e3bd4b;
            --accent-dark: #a8841b;
            --bg: #f6f8fb;
            --surface: #ffffff;
            --text: #1e293b;
            --text-light: #64748b;
            --border: #e2e8f0;
            --radius: 18px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(15, 40, 80, 0.07);
            --shadow-lg: 0 14px 44px rgba(15, 40, 80, 0.12);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航栏 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(22, 41, 77, 0.95);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }

        .logo i {
            color: var(--accent);
            font-size: 26px;
        }

        .logo span {
            color: var(--accent-light);
        }

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

        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
        }

        .nav-links a:hover,
        .nav-links a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .nav-links a.active {
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: var(--transition);
        }

        .btn-gold {
            background: linear-gradient(135deg, #d4a853, #b8912e);
            color: #0c1a33;
            box-shadow: 0 4px 16px rgba(201, 162, 39, 0.3);
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 162, 39, 0.4);
        }

        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .btn-outline-brand {
            border: 2px solid var(--primary-light);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline-brand:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .btn-solid-brand {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 18px rgba(22, 41, 77, 0.25);
        }

        .btn-solid-brand:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(22, 41, 77, 0.3);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 20px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

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

        /* ===== 文章 Hero ===== */
        .article-hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 88px 0 72px;
            color: #fff;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 20, 40, 0.72), rgba(10, 20, 40, 0.55), rgba(10, 20, 40, 0.78));
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 22px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
        }

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

        .breadcrumb i {
            font-size: 11px;
        }

        .hero-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(201, 162, 39, 0.22);
            border: 1px solid rgba(201, 162, 39, 0.45);
            color: var(--accent-light);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .hero-title {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            max-width: 860px;
            letter-spacing: 0.5px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        /* ===== 文章主体 ===== */
        .article-section {
            padding: 56px 0 64px;
        }

        .article-grid {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 40px;
            align-items: start;
        }

        .article-card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .article-body-content {
            padding: 44px 48px;
        }

        .article-body-content h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 36px 0 16px;
            color: var(--primary);
        }

        .article-body-content h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 28px 0 12px;
            color: var(--primary);
        }

        .article-body-content p {
            margin-bottom: 18px;
            color: #334155;
            font-size: 15.5px;
            line-height: 1.9;
        }

        .article-body-content img {
            border-radius: 14px;
            margin: 28px 0;
            box-shadow: 0 6px 22px rgba(15, 40, 80, 0.1);
        }

        .article-body-content ul,
        .article-body-content ol {
            margin: 18px 0 24px 22px;
            color: #334155;
            font-size: 15.5px;
        }

        .article-body-content li {
            margin-bottom: 8px;
        }

        .article-body-content blockquote {
            border-left: 4px solid var(--accent);
            background: #faf8f2;
            padding: 18px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
            color: #475569;
            font-style: italic;
        }

        .article-body-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14.5px;
        }

        .article-body-content th {
            background: var(--primary);
            color: #fff;
            padding: 12px 14px;
            text-align: left;
            font-weight: 600;
        }

        .article-body-content td {
            padding: 11px 14px;
            border-bottom: 1px solid var(--border);
        }

        /* ===== 未找到 ===== */
        .not-found {
            text-align: center;
            padding: 80px 30px;
        }

        .not-found .icon-lg {
            font-size: 64px;
            color: #cbd5e1;
            margin-bottom: 20px;
        }

        .not-found h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .not-found p {
            color: var(--text-light);
            margin-bottom: 28px;
        }

        /* ===== 侧边栏 ===== */
        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 26px;
            margin-bottom: 20px;
        }

        .sidebar-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .sidebar-info-item {
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 14px;
        }

        .sidebar-info-item:last-child {
            border-bottom: none;
        }

        .sidebar-info-item .label {
            color: var(--text-light);
        }

        .sidebar-info-item .value {
            font-weight: 600;
            color: var(--text);
        }

        .sidebar-nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 14px;
            border-radius: 12px;
            margin-bottom: 8px;
            background: var(--bg);
            transition: var(--transition);
        }

        .sidebar-nav-item:hover {
            background: rgba(201, 162, 39, 0.08);
            transform: translateX(4px);
        }

        .sidebar-nav-item .icon-box {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }

        .sidebar-nav-item .text {
            flex: 1;
        }

        .sidebar-nav-item .text strong {
            display: block;
            font-size: 14.5px;
            color: var(--text);
        }

        .sidebar-nav-item .text small {
            font-size: 12px;
            color: var(--text-light);
        }

        .sidebar-nav-item .arrow {
            color: #cbd5e1;
            font-size: 13px;
        }

        .advantage-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 14px;
            color: #475569;
        }

        .advantage-list li i {
            color: var(--accent);
            margin-top: 4px;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 56px 0 64px;
        }

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

        .section-head .eyebrow {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 4px;
        }

        .section-head .title {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .section-head .sub {
            color: var(--text-light);
            font-size: 14px;
        }

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

        .related-card {
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .related-card .body {
            padding: 24px;
        }

        .related-card .body h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .related-card .body p {
            font-size: 13.5px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .related-card .body .link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .related-card .body .link:hover {
            gap: 9px;
            color: var(--primary);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0c1a33, #1e3a5f, #16294d);
            padding: 72px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            width: 480px;
            height: 480px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 162, 39, 0.15), transparent 65%);
            top: -180px;
            right: -80px;
        }

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

        .cta-section h2 {
            font-size: clamp(26px, 3.6vw, 38px);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            max-width: 680px;
            margin: 0 auto 32px;
            font-size: 15px;
        }

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

        /* ===== FAQ ===== */
        .faq-section {
            padding: 64px 0 72px;
            background: var(--bg);
        }

        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-bottom: 14px;
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 26px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-question i {
            color: var(--accent);
            transition: transform 0.3s;
            font-size: 14px;
        }

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

        .faq-answer {
            padding: 0 26px 20px;
            color: #475569;
            font-size: 14.5px;
            line-height: 1.8;
            display: none;
        }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0b1424;
            color: #94a3b8;
            padding: 56px 0 30px;
        }

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

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 420px;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            padding: 5px 0;
            color: #94a3b8;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: #64748b;
        }

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

            .sidebar-sticky {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
                margin-top: 0;
            }

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

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

            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(12, 26, 51, 0.98);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px 24px;
                gap: 4px;
                transform: translateY(-120%);
                transition: transform 0.4s ease;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }

            .nav-links.open {
                transform: translateY(0);
            }

            .nav-links a {
                width: 100%;
                justify-content: flex-start;
                padding: 12px 14px;
                border-radius: 10px;
            }

            .nav-cta .btn-header-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .article-hero {
                padding: 64px 0 50px;
            }

            .article-body-content {
                padding: 28px 24px;
            }

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

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

            .sidebar-sticky {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }

            .hero-meta {
                flex-direction: column;
                gap: 8px;
            }

            .article-body-content {
                padding: 20px 18px;
            }

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

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

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

        /* ===== 焦点可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(201, 162, 39, 0.5);
            outline-offset: 2px;
        }

/* roulang page: category1 */
:root {
            --primary: #c19a5b;
            --primary-dark: #a47e3f;
            --primary-light: #dcc493;
            --ink: #0f1c2e;
            --ink-soft: #16273d;
            --warm: #f7f5f1;
            --white: #ffffff;
            --muted: #6b7280;
            --border: #ebe6dd;
            --radius: 20px;
            --radius-sm: 12px;
            --shadow: 0 20px 40px rgba(15, 28, 46, 0.08);
            --shadow-lg: 0 24px 60px rgba(15, 28, 46, 0.15);
            --container: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
            background: var(--white);
            color: var(--ink);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all .3s ease;
        }

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

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 24px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.32rem;
            font-weight: 800;
            color: var(--ink);
            white-space: nowrap;
        }

        .logo i {
            color: var(--primary);
            font-size: 1.45rem;
        }

        .logo span {
            color: var(--primary);
        }

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

        .nav-links a {
            padding: .55rem 1.15rem;
            border-radius: 999px;
            font-size: .93rem;
            font-weight: 500;
            color: #4b5563;
            transition: background .3s, color .3s;
        }

        .nav-links a:hover {
            background: #f3f0eb;
            color: var(--ink);
        }

        .nav-links a.active {
            background: var(--ink);
            color: #fff;
        }

        .nav-cta,
        .btn-primary {
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: linear-gradient(135deg, #d4af6a 0%, #b58a45 100%);
            color: #fff;
            font-weight: 600;
            font-size: .94rem;
            padding: .72rem 1.5rem;
            border-radius: 999px;
            box-shadow: 0 8px 20px rgba(193, 154, 91, .35);
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .nav-cta:hover,
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(193, 154, 91, .48);
        }

        .btn-primary:focus-visible,
        .btn-ghost:focus-visible,
        .nav-links a:focus-visible,
        .mobile-toggle:focus-visible {
            outline: 3px solid rgba(193, 154, 91, .5);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            border: 1.5px solid rgba(255, 255, 255, .55);
            color: #fff;
            padding: .72rem 1.6rem;
            border-radius: 999px;
            font-weight: 600;
            transition: background .3s, border-color .3s, transform .3s;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .14);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: #f3f0eb;
            color: var(--ink);
            font-size: 1.15rem;
            transition: background .3s;
        }

        .mobile-toggle:hover {
            background: #eae5dd;
        }

        @media (max-width: 1023px) {
            .nav-links {
                position: absolute;
                top: calc(100% + 8px);
                left: 16px;
                right: 16px;
                display: none;
                flex-direction: column;
                align-items: stretch;
                background: #fff;
                border-radius: 20px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border);
                padding: 14px;
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                border-radius: 14px;
            }
        }

        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none;
            }
        }

        .page-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 116px 0 100px;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 28, 46, .82) 0%, rgba(15, 28, 46, .58) 55%, rgba(15, 28, 46, .86) 100%);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .13);
            border: 1px solid rgba(255, 255, 255, .24);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            color: #fff;
            padding: .48rem 1.25rem;
            border-radius: 999px;
            font-size: .86rem;
            margin-bottom: 1.5rem;
            letter-spacing: .05em;
        }

        .page-hero h1 {
            font-size: clamp(2.1rem, 5vw, 3.1rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }

        .page-hero p {
            max-width: 680px;
            margin: 1.25rem auto 2rem;
            color: rgba(255, 255, 255, .86);
            font-size: 1.08rem;
        }

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

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 64px;
            border-top: 1px solid rgba(255, 255, 255, .2);
            padding-top: 40px;
        }

        @media (max-width: 768px) {
            .hero-stats {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .page-hero {
                padding: 84px 0 64px;
            }
        }

        .stat .num {
            display: block;
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .stat .label {
            color: rgba(255, 255, 255, .72);
            font-size: .88rem;
        }

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

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(193, 154, 91, .12);
            color: var(--primary-dark);
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: .08em;
            padding: .3rem 1.05rem;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: clamp(1.7rem, 3vw, 2.3rem);
            font-weight: 800;
            color: var(--ink);
            line-height: 1.3;
        }

        .section-head p {
            color: #6b7280;
            margin-top: 12px;
            font-size: 1.02rem;
        }

        .section-head.light h2 {
            color: #fff;
        }

        .section-head.light p {
            color: rgba(255, 255, 255, .65);
        }

        .section-head.light .section-tag {
            background: rgba(255, 255, 255, .12);
            color: #fff;
        }

        .bg-warm {
            background: var(--warm);
        }

        .bg-ink {
            background: var(--ink);
        }

        .score-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 34px 30px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: transform .35s ease, box-shadow .35s ease;
            text-align: center;
        }

        .score-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .score-card .score {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.1;
            background: linear-gradient(135deg, #d4af6a, #a47e3f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .score-stars {
            color: var(--primary);
            font-size: 1.1rem;
            margin: 10px 0 6px;
            letter-spacing: 4px;
        }

        .score-progress {
            height: 8px;
            background: #f0ece5;
            border-radius: 99px;
            overflow: hidden;
            margin: 18px 0 12px;
        }

        .score-progress span {
            display: block;
            height: 100%;
            background: linear-gradient(90deg, #d4af6a, #a47e3f);
            border-radius: 99px;
        }

        .card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: 0 6px 20px rgba(15, 28, 46, .05);
            transition: transform .35s ease, box-shadow .35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(15, 28, 46, .85);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            color: #fff;
            font-size: .76rem;
            padding: .28rem .8rem;
            border-radius: 999px;
            letter-spacing: .03em;
        }

        .card-body {
            padding: 24px;
            flex: 1;
        }

        .card-body h3 {
            font-size: 1.12rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .card-body h3 a:hover {
            color: var(--primary-dark);
        }

        .card-body p {
            color: #6b7280;
            font-size: .92rem;
            line-height: 1.6;
        }

        .card-meta {
            display: flex;
            gap: 16px;
            padding: 16px 24px;
            border-top: 1px solid #f0ece5;
            color: #9ca3af;
            font-size: .83rem;
        }

        .flow-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 24px;
        }

        @media (max-width: 1024px) {
            .flow-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 640px) {
            .flow-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
        }

        .flow-step {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 20px;
            padding: 28px 18px;
            text-align: center;
            transition: background .3s, transform .3s;
        }

        .flow-step:hover {
            background: rgba(255, 255, 255, .12);
            transform: translateY(-4px);
        }

        .flow-step .icon {
            width: 54px;
            height: 54px;
            margin: 0 auto 16px;
            border-radius: 16px;
            background: linear-gradient(135deg, #d4af6a, #a47e3f);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 10px 20px rgba(193, 154, 91, .35);
        }

        .flow-step .step-num {
            font-size: .78rem;
            color: #d4af6a;
            font-weight: 700;
            letter-spacing: .12em;
        }

        .flow-step h3 {
            color: #fff;
            font-size: 1rem;
            margin: 8px 0 6px;
            font-weight: 700;
        }

        .flow-step p {
            color: rgba(255, 255, 255, .6);
            font-size: .84rem;
            line-height: 1.55;
        }

        .criteria-list {
            display: grid;
            gap: 14px;
        }

        .criteria-item {
            display: flex;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 20px 22px;
            transition: border-color .3s, box-shadow .3s, transform .3s;
        }

        .criteria-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
            transform: translateX(4px);
        }

        .criteria-item .crit-icon {
            flex-shrink: 0;
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: rgba(193, 154, 91, .12);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
        }

        .criteria-item h4 {
            font-size: 1rem;
            font-weight: 700;
        }

        .criteria-item p {
            font-size: .87rem;
            color: #6b7280;
            margin-top: 4px;
            line-height: 1.5;
        }

        .faq-list {
            display: grid;
            gap: 14px;
            text-align: left;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            overflow: hidden;
            transition: box-shadow .3s, border-color .3s;
        }

        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow);
        }

        .faq-item summary {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            cursor: pointer;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            list-style: none;
            color: var(--ink);
        }

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

        .faq-item summary i {
            transition: transform .3s ease;
            color: var(--primary);
            flex-shrink: 0;
        }

        .faq-item[open] summary i {
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            padding: 0 24px 20px;
            color: #6b7280;
            font-size: .95rem;
            line-height: 1.7;
        }

        .cta-section {
            position: relative;
            padding: 100px 0;
            background-size: cover;
            background-position: center;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 28, 46, .92), rgba(22, 39, 61, .84));
        }

        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, .7);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 44px;
        }

        .footer-brand .logo {
            color: #fff;
            font-size: 1.3rem;
        }

        .footer-brand p {
            margin-top: 16px;
            max-width: 380px;
            font-size: .92rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, .6);
        }

        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .footer-col a {
            display: block;
            padding: 6px 0;
            color: rgba(255, 255, 255, .6);
            font-size: .92rem;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: .86rem;
            color: rgba(255, 255, 255, .45);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1e3a8a;
            --primary-light: #3b82f6;
            --accent: #f59e0b;
            --bg: #f8fafc;
            --dark: #0f172a;
            --text: #334155;
            --muted: #64748b;
            --border: #e2e8f0;
            --white: #ffffff;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all .3s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 90px 0;
        }
        .section-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 52px;
        }
        .section-header .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(30, 58, 138, .08);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            letter-spacing: -.5px;
        }
        .section-header p {
            margin-top: 14px;
            font-size: 16px;
            color: var(--muted);
        }
        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            border: 2px solid transparent;
            transition: all .3s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(30, 58, 138, .25);
        }
        .btn-primary:hover {
            background: #1e40af;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(30, 58, 138, .32);
        }
        .btn-outline {
            border-color: rgba(255, 255, 255, .8);
            color: #fff;
            background: rgba(255, 255, 255, .08);
            backdrop-filter: blur(4px);
        }
        .btn-outline:hover {
            background: #fff;
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--primary);
        }
        .btn-light:hover {
            background: #f1f5f9;
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, .18);
        }
        .btn:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(59, 130, 246, .6);
            outline-offset: 2px;
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--dark);
            flex-shrink: 0;
        }
        .logo i {
            color: var(--accent);
            font-size: 26px;
        }
        .logo span {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 14px;
            color: var(--text);
        }
        .nav-links a:hover {
            background: #f1f5f9;
            color: var(--dark);
        }
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(30, 58, 138, .25);
        }
        .nav-cta {
            padding: 10px 24px;
            font-size: 14px;
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--dark);
            border: 1px solid var(--border);
            background: #fff;
        }
        /* Page Banner */
        .page-banner {
            position: relative;
            padding: 110px 0 90px;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(15, 23, 42, .92) 0%, rgba(15, 23, 42, .72) 50%, rgba(30, 58, 138, .35) 100%);
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, .25);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 24px;
            color: #fff;
        }
        .banner-badge i {
            color: var(--accent);
        }
        .page-banner h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .page-banner h1 span {
            color: #93c5fd;
        }
        .page-banner p {
            font-size: 17px;
            color: rgba(255, 255, 255, .88);
            max-width: 620px;
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .banner-stats {
            display: flex;
            gap: 36px;
            margin-top: 50px;
            padding-top: 36px;
            border-top: 1px solid rgba(255, 255, 255, .18);
        }
        .banner-stat {
            display: flex;
            flex-direction: column;
        }
        .banner-stat strong {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
        }
        .banner-stat span {
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            margin-top: 2px;
        }
        /* Process */
        .process-section {
            background: var(--white);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .process-card {
            position: relative;
            padding: 36px 28px 30px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            text-align: center;
            transition: all .35s ease;
        }
        .process-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .process-num {
            position: absolute;
            top: 18px;
            right: 20px;
            font-size: 44px;
            font-weight: 800;
            color: rgba(30, 58, 138, .07);
            line-height: 1;
        }
        .process-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 76px;
            height: 76px;
            border-radius: 22px;
            background: linear-gradient(135deg, rgba(30, 58, 138, .1), rgba(59, 130, 246, .08));
            color: var(--primary);
            font-size: 28px;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .process-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .process-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }
        .process-line {
            display: none;
        }
        /* Services */
        .services-section {
            background: var(--bg);
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 26px;
        }
        .service-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all .35s ease;
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        .service-media {
            position: relative;
            height: 170px;
            overflow: hidden;
        }
        .service-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .service-card:hover .service-media img {
            transform: scale(1.06);
        }
        .service-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, .45));
        }
        .service-icon {
            position: absolute;
            left: 20px;
            bottom: -22px;
            z-index: 3;
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 6px 16px rgba(30, 58, 138, .35);
            border: 3px solid #fff;
        }
        .service-tag {
            position: absolute;
            right: 14px;
            top: 14px;
            z-index: 4;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            background: rgba(15, 23, 42, .55);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, .18);
        }
        .service-body {
            padding: 36px 24px 26px;
            flex: 1;
        }
        .service-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .service-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }
        .service-link {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            transition: gap .3s ease;
        }
        .service-link:hover {
            gap: 10px;
            color: var(--primary-light);
        }
        /* Metrics */
        .metrics-section {
            background: var(--dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .metrics-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover;
            opacity: .12;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
            z-index: 1;
        }
        .metric-item {
            text-align: center;
            padding: 30px 20px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
            backdrop-filter: blur(6px);
            transition: all .35s ease;
        }
        .metric-item:hover {
            background: rgba(255, 255, 255, .08);
            transform: translateY(-4px);
        }
        .metric-value {
            font-size: 46px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            background: linear-gradient(135deg, #fff, #93c5fd);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .metric-label {
            font-size: 16px;
            font-weight: 600;
            color: rgba(255, 255, 255, .9);
            margin-top: 8px;
        }
        .metric-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
            margin-top: 6px;
        }
        /* Promise */
        .promise-section {
            background: var(--white);
        }
        .promise-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .promise-image {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            min-height: 360px;
            background: url('/assets/images/backpic/back-1.png') center/cover;
            box-shadow: var(--shadow-lg);
        }
        .promise-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 58, 138, .6), rgba(15, 23, 42, .2));
        }
        .promise-image-text {
            position: absolute;
            bottom: 28px;
            left: 28px;
            z-index: 2;
            color: #fff;
        }
        .promise-image-text h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .promise-image-text p {
            font-size: 14px;
            opacity: .85;
        }
        .promise-content h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.3;
            letter-spacing: -.5px;
            margin-bottom: 14px;
        }
        .promise-content>p {
            color: var(--muted);
            margin-bottom: 36px;
        }
        .promise-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .promise-item {
            padding: 24px;
            border-radius: var(--radius-sm);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: all .3s ease;
        }
        .promise-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow);
        }
        .promise-item i {
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .promise-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }
        .promise-item p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }
        /* FAQ */
        .faq-section {
            background: var(--bg);
        }
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all .3s ease;
        }
        .faq-item.active {
            border-color: var(--primary-light);
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            width: 100%;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            transition: all .3s ease;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 16px;
            color: var(--primary);
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 240px;
        }
        .faq-answer p {
            padding: 0 24px 24px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
        }
        /* CTA */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background: linear-gradient(120deg, #0f172a, #1e3a8a);
            color: #fff;
            text-align: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover;
            opacity: .15;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            letter-spacing: -.5px;
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            margin: 0 auto 36px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        /* Footer */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .75);
            padding: 70px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 60px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand .logo {
            color: #fff;
            font-size: 22px;
            margin-bottom: 16px;
        }
        .footer-brand .logo span {
            color: #93c5fd;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            line-height: 1.8;
            max-width: 340px;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
        }
        .footer-col a:hover {
            color: #fff;
            padding-left: 6px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 26px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
            flex-wrap: wrap;
            gap: 10px;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .promise-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .promise-image {
                min-height: 300px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 65px 0;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .page-banner {
                padding: 80px 0 60px;
                background-attachment: scroll;
            }
            .page-banner h1 {
                font-size: 32px;
            }
            .page-banner p {
                font-size: 15px;
            }
            .banner-stats {
                flex-wrap: wrap;
                gap: 20px;
            }
            .nav-links {
                position: fixed;
                top: 76px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: #fff;
                padding: 20px;
                gap: 8px;
                box-shadow: 0 20px 40px rgba(15, 23, 42, .12);
                transform: translateY(-130%);
                transition: transform .35s ease;
                display: flex;
                align-items: stretch;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-links a {
                padding: 14px 20px;
                border-radius: 12px;
                justify-content: center;
                font-size: 15px;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .promise-list {
                grid-template-columns: 1fr;
            }
            .page-banner h1 {
                font-size: 28px;
            }
            .banner-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .banner-actions .btn {
                justify-content: center;
            }
            .section-header h2 {
                font-size: 25px;
            }
            .cta-section h2 {
                font-size: 27px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1e3a5f;
            --primary-light: #2d5f8b;
            --primary-dark: #122a45;
            --accent: #d4a574;
            --accent-light: #e8c9ab;
            --accent-dark: #b8895c;
            --bg: #f8f7f4;
            --bg-deep: #122a45;
            --text: #1a2332;
            --text-light: #5a6b7a;
            --border: #e8e4de;
            --shadow-sm: 0 2px 8px rgba(30, 58, 95, 0.06);
            --shadow: 0 8px 24px rgba(30, 58, 95, 0.08);
            --shadow-lg: 0 16px 40px rgba(30, 58, 95, 0.14);
            --radius: 16px;
            --radius-sm: 10px;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        input,
        textarea {
            font: inherit;
            border: none;
            outline: none;
        }

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

        /* ===== Header / Nav ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 0 rgba(30, 58, 95, 0.04);
        }

        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            gap: 10px;
            letter-spacing: 0.5px;
        }

        .logo i {
            color: var(--accent);
            font-size: 1.7rem;
            filter: drop-shadow(0 2px 4px rgba(212, 165, 116, 0.3));
        }

        .logo span {
            color: var(--accent-dark);
            font-weight: 700;
        }

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

        .nav-links a {
            padding: 9px 20px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            border: 1px solid transparent;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(30, 58, 95, 0.06);
            border-color: rgba(30, 58, 95, 0.1);
            transform: translateY(-1px);
        }

        .nav-links a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 6px 16px rgba(30, 58, 95, 0.25);
        }

        .nav-links a.active:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
            color: #fff;
            box-shadow: 0 8px 20px rgba(30, 58, 95, 0.3);
        }

        .nav-cta {
            background: var(--accent) !important;
            color: var(--primary) !important;
            font-weight: 700 !important;
            border-color: transparent !important;
            box-shadow: 0 4px 14px rgba(212, 165, 116, 0.4);
            margin-left: 6px;
        }

        .nav-cta:hover {
            background: var(--accent-light) !important;
            transform: translateY(-2px) !important;
            box-shadow: 0 8px 20px rgba(212, 165, 116, 0.5) !important;
            color: var(--primary) !important;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--bg);
            color: var(--primary);
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: var(--border);
        }

        /* ===== Hero ===== */
        .page-hero {
            background: linear-gradient(rgba(18, 42, 69, 0.82), rgba(18, 42, 69, 0.65)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 96px 0 80px;
            position: relative;
            color: #fff;
        }

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

        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.22);
            backdrop-filter: blur(8px);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: #f0e6d6;
            letter-spacing: 0.3px;
            margin-bottom: 20px;
            font-weight: 500;
        }

        .page-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
            max-width: 720px;
        }

        .page-hero h1 .highlight {
            color: var(--accent-light);
        }

        .page-hero p.lead {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 640px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .hero-stat {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            padding: 14px 24px;
            border-radius: 14px;
            text-align: center;
            min-width: 130px;
        }

        .hero-stat strong {
            display: block;
            font-size: 1.7rem;
            color: #fff;
            font-weight: 800;
            line-height: 1.2;
        }

        .hero-stat span {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.75);
        }

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

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
            line-height: 1.2;
            border: 1px solid transparent;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(30, 58, 95, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(30, 58, 95, 0.35);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 6px 18px rgba(212, 165, 116, 0.35);
        }

        .btn-accent:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(212, 165, 116, 0.45);
        }

        .btn-ghost {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
            backdrop-filter: blur(4px);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn:focus-visible {
            outline: 3px solid rgba(212, 165, 116, 0.5);
            outline-offset: 3px;
        }

        /* ===== Section ===== */
        .section {
            padding: 84px 0;
        }

        .section-alt {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-deep {
            background: var(--bg-deep);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

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

        .section-header .eyebrow {
            display: inline-block;
            background: rgba(212, 165, 116, 0.15);
            color: var(--accent-dark);
            padding: 5px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-header h2 {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text);
            letter-spacing: -0.5px;
        }

        .section-header p {
            color: var(--text-light);
            margin-top: 14px;
            font-size: 1.05rem;
        }

        .section-deep .section-header h2 {
            color: #fff;
        }

        .section-deep .section-header p {
            color: rgba(255, 255, 255, 0.8);
        }

        /* ===== Stats Card ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--primary));
            opacity: 0.6;
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .stat-card .icon {
            width: 54px;
            height: 54px;
            background: rgba(212, 165, 116, 0.12);
            color: var(--accent-dark);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin: 0 auto 16px;
        }

        .stat-card strong {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            display: block;
        }

        .stat-card span {
            font-size: 0.88rem;
            color: var(--text-light);
            margin-top: 4px;
            display: block;
        }

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

        .review-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 28px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .review-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(212, 165, 116, 0.4);
        }

        .review-card .stars {
            color: #f5b942;
            font-size: 0.9rem;
            letter-spacing: 2px;
        }

        .review-card .quote {
            font-size: 1rem;
            color: var(--text);
            line-height: 1.8;
            flex: 1;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .review-user .avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .review-user .name {
            font-weight: 600;
            font-size: 0.95rem;
        }

        .review-user .role {
            font-size: 0.82rem;
            color: var(--text-light);
        }

        /* ===== Rating Bars ===== */
        .rating-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px 48px;
            max-width: 860px;
            margin: 0 auto;
        }

        .rating-item {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .rating-item .label {
            display: flex;
            justify-content: space-between;
            font-weight: 600;
            font-size: 0.95rem;
        }

        .rating-item .label span:last-child {
            color: var(--primary);
            font-weight: 800;
        }

        .rating-track {
            height: 8px;
            background: #eef0f2;
            border-radius: 12px;
            overflow: hidden;
        }

        .rating-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 12px;
            transition: width 1s ease;
        }

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

        .story-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .story-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .story-card .cover {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

        .story-card:hover .cover img {
            transform: scale(1.04);
        }

        .story-card .cover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.25));
        }

        .story-body {
            padding: 24px;
        }

        .story-body .tag {
            display: inline-block;
            background: rgba(212, 165, 116, 0.12);
            color: var(--accent-dark);
            padding: 3px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .story-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .story-body p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== Timeline ===== */
        .timeline {
            max-width: 720px;
            margin: 0 auto;
            position: relative;
            padding-left: 32px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: rgba(212, 165, 116, 0.4);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 32px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -29px;
            top: 8px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 0 0 4px rgba(212, 165, 116, 0.25);
        }

        .timeline-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .timeline-item p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(212, 165, 116, 0.4);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
        }

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

        .faq-item summary .icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(212, 165, 116, 0.15);
            color: var(--accent-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item[open] summary .icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-item .answer {
            padding: 0 24px 20px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            padding: 80px 0;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(212, 165, 116, 0.18), transparent 60%);
            border-radius: 50%;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            font-size: 1.02rem;
        }

        .cta-btns {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

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

        .footer-brand .logo span {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 360px;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.62);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: var(--transition);
        }

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

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== Focus ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(212, 165, 116, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

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

        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 16px;
                flex-wrap: wrap;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 12px 0 4px;
                border-top: 1px solid var(--border);
                margin-top: 8px;
            }

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

            .nav-links a {
                border-radius: 10px;
                padding: 12px 16px;
                text-align: center;
            }

            .nav-cta {
                margin-left: 0;
                margin-top: 4px;
            }

            .page-hero {
                padding: 64px 0 52px;
            }

            .hero-stats {
                gap: 14px;
            }

            .hero-stat {
                min-width: 100px;
                padding: 10px 16px;
            }

            .section {
                padding: 60px 0;
            }

            .section-header {
                margin-bottom: 40px;
            }

            .rating-list {
                grid-template-columns: 1fr;
                gap: 20px;
            }

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

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

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

            .reviews-grid,
            .stories-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .page-hero h1 {
                font-size: 1.9rem;
            }

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

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

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

            .cta-btns .btn {
                width: 100%;
            }

            .logo {
                font-size: 1.2rem;
            }

            .stat-card strong {
                font-size: 1.7rem;
            }
        }