/* roulang page: index */
:root {
            --primary: #2C6E8F;
            --primary-hover: #1F5570;
            --primary-light: #E8F1F6;
            --accent: #C4A265;
            --bg: #F6F9FB;
            --card-bg: #FFFFFF;
            --text: #17313D;
            --text-secondary: #526878;
            --text-muted: #7B8D9A;
            --border: #E1E9EF;
            --shadow-card: 0 10px 30px rgba(23, 49, 61, 0.08);
            --shadow-hover: 0 20px 40px rgba(23, 49, 61, 0.12);
            --radius: 12px;
            --radius-lg: 16px;
            --radius-sm: 8px;
            --footer-bg: #12212B;
            --footer-text: #C4D1DA;
            --transition: 0.25s 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;
            font-size: 16px;
            line-height: 1.7;
            background-color: var(--bg);
            color: var(--text);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            border-radius: 10px;
            padding: 0.75rem 1.75rem;
            font-size: 0.95rem;
            line-height: 1.4;
            cursor: pointer;
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #fff;
        }
        .btn-primary:hover,
        .btn-primary:focus-visible {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(44, 110, 143, 0.25);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-secondary:hover,
        .btn-secondary:focus-visible {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }
        .btn-light {
            background-color: #fff;
            color: var(--primary);
        }
        .btn-light:hover,
        .btn-light:focus-visible {
            background-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(255, 255, 255, 0.2);
        }
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1rem;
        }
        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            letter-spacing: -0.01em;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #3D8BA8);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.85rem;
            font-weight: 900;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-link {
            display: flex;
            align-items: center;
            padding: 0.6rem 1rem;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: all var(--transition);
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 0.4rem;
        }
        .mobile-menu {
            display: none;
            padding: 1rem 0 1.25rem;
            border-top: 1px solid var(--border);
            background: #fff;
            flex-direction: column;
            gap: 0.5rem;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            padding: 0.75rem 1rem;
            font-size: 1rem;
        }
        .mobile-menu .btn {
            margin-top: 0.5rem;
            width: 100%;
        }

        @media (max-width: 1023px) {
            .main-nav {
                display: none;
            }
            .header-cta .btn {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
        }

        /* Hero */
        .hero {
            position: relative;
            background: linear-gradient(145deg, #E8F1F6 0%, #F6F9FB 70%, #FFFFFF 100%);
            overflow: hidden;
            padding: 5rem 0 4rem;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(196, 162, 101, 0.12);
            z-index: 0;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(44, 110, 143, 0.06);
            z-index: 0;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 3rem;
            align-items: center;
        }
        .hero-content {
            max-width: 620px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--border);
            border-radius: 100px;
            padding: 0.35rem 0.9rem;
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 1.5rem;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text);
            letter-spacing: -0.02em;
            margin-bottom: 1.2rem;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }
        .hero-trust {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .hero-trust span {
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        .hero-trust i {
            color: var(--accent);
            font-size: 0.8rem;
        }
        .hero-visual {
            position: relative;
        }
        .hero-visual img {
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(23, 49, 61, 0.12);
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .hero-float-card {
            position: absolute;
            bottom: -20px;
            left: -20px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            padding: 1rem 1.25rem;
            max-width: 220px;
            border-left: 4px solid var(--accent);
        }
        .hero-float-card .fc-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.2rem;
        }
        .hero-float-card .fc-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        @media (max-width: 1023px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .hero {
                padding: 3rem 0;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 640px) {
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-float-card {
                position: static;
                margin-top: 1rem;
            }
        }

        /* 信任条 */
        .trust-bar {
            padding: 2.5rem 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
        }
        .trust-bar-inner {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .trust-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-align: center;
            letter-spacing: 0.05em;
        }
        .trust-logos {
            display: flex;
            justify-content: center;
            gap: 2rem;
            flex-wrap: wrap;
            align-items: center;
            opacity: 0.7;
        }
        .trust-logos span {
            font-size: 1.1rem;
            font-weight: 700;
            color: #93A7B4;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        @media (max-width: 640px) {
            .trust-logos {
                gap: 1rem;
            }
            .trust-logos span {
                font-size: 0.9rem;
            }
        }

        /* 通用板块 */
        .section {
            padding: 4.5rem 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-header {
            text-align: left;
            margin-bottom: 2.5rem;
            max-width: 640px;
        }
        .section-header.centered {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-eyebrow {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 0.5rem;
            letter-spacing: 0.03em;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }
        .section-header p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media (max-width: 640px) {
            .section {
                padding: 3rem 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

        /* 卖点三连 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.75rem;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(44, 110, 143, 0.2);
        }
        .feature-num {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            opacity: 0.25;
            line-height: 1;
            position: absolute;
            top: 1.2rem;
            right: 1.2rem;
            font-family: 'PingFang SC', sans-serif;
            transition: all var(--transition);
        }
        .feature-card:hover .feature-num {
            opacity: 0.6;
            transform: scale(1.05);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(44, 110, 143, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 1.25rem;
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.6rem;
        }
        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        .feature-arrow {
            position: absolute;
            top: 50%;
            right: -14px;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: 1.2rem;
            z-index: 2;
        }
        @media (max-width: 1023px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .feature-arrow {
                display: none;
            }
        }

        /* 场景演�示 */
        .scenario-grid {
            display: grid;
            grid-template-columns: 0.95fr 1.05fr;
            gap: 3rem;
            align-items: center;
        }
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .step-item {
            display: flex;
            gap: 1.25rem;
            padding: 1.5rem 1.25rem;
            border-radius: var(--radius);
            transition: all var(--transition);
            position: relative;
            border-left: 3px solid transparent;
        }
        .step-item:hover,
        .step-item.active {
            background: var(--primary-light);
            border-left-color: var(--primary);
        }
        .step-num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 700;
        }
        .step-item:nth-child(2) .step-num {
            background: #3D8BA8;
        }
        .step-item:nth-child(3) .step-num {
            background: #E8A87C;
        }
        .step-item:nth-child(4) .step-num {
            background: var(--accent);
        }
        .step-content {
            flex: 1;
        }
        .step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.25rem;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .scenario-visual {
            position: relative;
        }
        .scenario-visual img {
            border-radius: 20px;
            box-shadow: var(--shadow-card);
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .scenario-float {
            position: absolute;
            top: 1.5rem;
            right: -1rem;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            padding: 0.9rem 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.7rem;
            max-width: 200px;
        }
        .scenario-float i {
            color: var(--accent);
            font-size: 1.2rem;
        }
        .scenario-float span {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text);
        }
        @media (max-width: 1023px) {
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        @media (max-width: 640px) {
            .scenario-visual img {
                height: 260px;
            }
            .scenario-float {
                position: static;
                margin-top: 1rem;
            }
        }

        /* 社会认同 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
            margin-bottom: 3.5rem;
        }
        .stat-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2rem 1rem;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 0.3rem;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
        .testimonial-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .testimonial-card .quote-icon {
            color: var(--accent);
            opacity: 0.3;
            font-size: 2rem;
            margin-bottom: 0.75rem;
        }
        .testimonial-card .quote-text {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        .testimonial-person {
            display: flex;
            align-items: center;
            gap: 0.85rem;
        }
        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 700;
        }
        .testimonial-person .t-name {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
        }
        .testimonial-person .t-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        @media (max-width: 1023px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 最新资讯 */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .news-card {
            display: flex;
            gap: 1.25rem;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 1.25rem;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            align-items: center;
        }
        .news-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .news-thumb {
            width: 140px;
            height: 110px;
            border-radius: var(--radius);
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }
        .news-body {
            flex: 1;
            min-width: 0;
        }
        .news-cat {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(196, 162, 101, 0.1);
            padding: 0.15rem 0.6rem;
            border-radius: 100px;
            margin-bottom: 0.4rem;
        }
        .news-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.3rem;
            line-height: 1.45;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
        }
        .news-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            margin-bottom: 0.5rem;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .news-meta a {
            color: var(--primary);
            font-weight: 600;
        }
        .news-meta a:hover {
            color: var(--primary-hover);
        }
        .empty-state {
            border: 2px dashed var(--border);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            text-align: center;
            color: var(--text-muted);
            background: #fff;
        }
        .empty-state i {
            font-size: 1.8rem;
            color: var(--text-muted);
            opacity: 0.4;
            margin-bottom: 0.5rem;
            display: block;
        }
        @media (max-width: 640px) {
            .news-card {
                flex-direction: column;
                align-items: stretch;
            }
            .news-thumb {
                width: 100%;
                height: 160px;
            }
        }

        /* CTA横幅 */
        .cta-banner {
            background: linear-gradient(135deg, #2C6E8F 0%, #1F5570 60%, #3D8BA8 100%);
            border-radius: 24px;
            padding: 3.5rem 3rem;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            border: 3px solid rgba(255, 255, 255, 0.1);
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 10%;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .cta-copy h2 {
            font-size: 1.8rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.5rem;
        }
        .cta-copy p {
            font-size: 1rem;
            opacity: 0.9;
            max-width: 500px;
        }
        .cta-banner .btn-light {
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .cta-banner {
                padding: 2.5rem 1.5rem;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-copy h2 {
                font-size: 1.4rem;
            }
        }

        /* 页脚 */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 4rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 3rem;
        }
        .footer-brand .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.75rem;
        }
        .footer-brand p {
            font-size: 0.85rem;
            opacity: 0.7;
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }
        .footer-contact-row {
            display: flex;
            gap: 1rem;
            font-size: 0.85rem;
            opacity: 0.8;
        }
        .footer-contact-row a:hover {
            color: #fff;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1.1rem;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--footer-text);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-col .footer-contact-list li {
            font-size: 0.88rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-col .footer-contact-list li i {
            color: var(--accent);
            width: 18px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.5rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-size: 0.8rem;
            opacity: 0.6;
            flex-wrap: wrap;
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }
        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* 底部固定转化条 */
        .fix-bar {
            position: fixed;
            bottom: 1rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 40;
            background: rgba(255, 255, 255, 0.96);
            border-radius: 100px;
            box-shadow: 0 10px 40px rgba(23, 49, 61, 0.18);
            border: 1px solid var(--border);
            padding: 0.7rem 1rem 0.7rem 1.5rem;
            display: flex;
            align-items: center;
            gap: 1.25rem;
            max-width: 720px;
            width: calc(100% - 2rem);
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
            opacity: 0;
            pointer-events: none;
            transform: translateX(-50%) translateY(30px);
        }
        .fix-bar.visible {
            opacity: 1;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .fix-bar-text {
            font-size: 0.9rem;
            color: var(--text);
            font-weight: 600;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .fix-bar-text span {
            color: var(--primary);
        }
        .fix-bar-action {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        .fix-bar-close {
            background: none;
            border: none;
            color: var(--text-muted);
            font-size: 1.1rem;
            cursor: pointer;
            padding: 0.3rem;
            border-radius: 50%;
            transition: all var(--transition);
        }
        .fix-bar-close:hover {
            background: var(--primary-light);
            color: var(--text);
        }
        @media (max-width: 600px) {
            .fix-bar {
                bottom: 0;
                left: 0;
                transform: none;
                width: 100%;
                border-radius: 0;
                border-left: none;
                border-right: none;
                border-bottom: none;
                padding: 0.75rem 1rem;
                justify-content: space-between;
            }
            .fix-bar.visible {
                transform: none;
            }
            .fix-bar-text {
                font-size: 0.8rem;
            }
        }

        /* FAQ（预留模块） */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(44, 110, 143, 0.3);
        }
        .faq-button {
            width: 100%;
            background: none;
            border: none;
            padding: 1.25rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            text-align: left;
        }
        .faq-button i {
            color: var(--accent);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-button i {
            transform: rotate(180deg);
        }
        .faq-content {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-content {
            display: block;
        }

        /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-up {
            animation: fadeInUp 0.6s ease both;
        }
        .delay-1 {
            animation-delay: 0.15s;
        }
        .delay-2 {
            animation-delay: 0.3s;
        }
        .delay-3 {
            animation-delay: 0.45s;
        }
        body {
            padding-bottom: 70px;
        }
        @media (max-width: 600px) {
            body {
                padding-bottom: 80px;
            }
        }

/* roulang page: category1 */
:root {
            --brand: #2C6E8F;
            --brand-dark: #1F5570;
            --brand-light: #E8F1F6;
            --gold: #C4A265;
            --ink: #17313D;
            --ink-light: #526878;
            --ink-weak: #7B8D9A;
            --line: #E1E9EF;
            --page-bg: #F6F9FB;
            --footer-bg: #12212B;
            --card-shadow: 0 10px 30px rgba(23, 49, 61, 0.08);
            --card-shadow-hover: 0 18px 40px rgba(23, 49, 61, 0.14);
        }

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

        html {
            scroll-behavior: smooth
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            color: var(--ink);
            background: var(--page-bg);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease
        }

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

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: #fff;
            border-bottom: 1px solid var(--line);
            height: 72px;
            display: flex;
            align-items: center;
            transition: box-shadow .2s ease
        }

        .site-header.scrolled {
            box-shadow: 0 6px 20px rgba(23, 49, 61, .06)
        }

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

        .site-logo {
            display: flex;
            align-items: center;
            gap: .5rem;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.5px;
            flex-shrink: 0
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--brand);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(44, 110, 143, .25)
        }

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

        .nav-link {
            font-size: .95rem;
            font-weight: 500;
            color: var(--ink-light);
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            transition: color .2s ease
        }

        .nav-link:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 0;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
            transition: width .25s ease
        }

        .nav-link:hover {
            color: var(--brand)
        }

        .nav-link:hover:after {
            width: 100%
        }

        .nav-link.active {
            color: var(--brand);
            font-weight: 600
        }

        .nav-link.active:after {
            width: 100%
        }

        .header-cta {
            flex-shrink: 0
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: .95rem;
            font-weight: 600;
            border-radius: 10px;
            padding: 12px 28px;
            transition: all .2s ease;
            border: 2px solid transparent;
            line-height: 1.4;
            white-space: nowrap
        }

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

        .btn-primary {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 4px 14px rgba(44, 110, 143, .22)
        }

        .btn-primary:hover {
            background: var(--brand-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(44, 110, 143, .28)
        }

        .btn-primary:active {
            transform: translateY(0)
        }

        .btn-outline {
            background: transparent;
            color: var(--brand);
            border-color: var(--brand)
        }

        .btn-outline:hover {
            background: rgba(44, 110, 143, .08);
            transform: translateY(-2px)
        }

        .btn-white {
            background: #fff;
            color: var(--brand);
            box-shadow: 0 4px 16px rgba(0, 0, 0, .12)
        }

        .btn-white:hover {
            background: var(--brand-light);
            transform: translateY(-2px)
        }

        .mobile-menu-btn {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--ink);
            border: 1px solid var(--line);
            background: #fff;
            transition: all .2s ease
        }

        .mobile-menu-btn:hover {
            border-color: var(--brand);
            color: var(--brand)
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--line);
            padding: 1rem 1.25rem 1.5rem;
            box-shadow: 0 10px 30px rgba(23, 49, 61, .08)
        }

        .mobile-menu.open {
            display: block
        }

        .mobile-menu .main-nav {
            flex-direction: column;
            align-items: stretch;
            gap: 0
        }

        .mobile-menu .nav-link {
            padding: 14px 8px;
            border-bottom: 1px solid var(--line);
            font-size: 1rem
        }

        .mobile-menu .nav-link:last-of-type {
            border-bottom: none
        }

        .mobile-menu .nav-link:after {
            display: none
        }

        .mobile-menu .btn {
            margin-top: 14px;
            width: 100%
        }

        @media (max-width:768px) {
            .desktop-nav {
                display: none
            }
            .mobile-menu-btn {
                display: flex
            }
        }

        @media (min-width:769px) {
            .mobile-menu,
            .mobile-menu-btn {
                display: none !important
            }
        }

        /* ===== Hero ===== */
        .page-hero {
            background: linear-gradient(135deg, #E8F1F6 0%, #F6F9FB 70%, #fff 100%);
            padding: 4rem 0 4.5rem;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(225, 233, 239, .6)
        }

        .page-hero:before {
            content: '';
            position: absolute;
            right: -120px;
            top: -120px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(196, 162, 101, .18) 0%, transparent 65%);
            border-radius: 50%
        }

        .page-hero:after {
            content: '';
            position: absolute;
            left: -80px;
            bottom: -160px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(44, 110, 143, .10) 0%, transparent 60%);
            border-radius: 50%
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 3rem
        }

        .hero-text {
            flex: 1 1 420px
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: #fff;
            border: 1px solid var(--line);
            color: var(--brand);
            font-size: .85rem;
            font-weight: 500;
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 1.5rem;
            box-shadow: 0 2px 8px rgba(23, 49, 61, .04)
        }

        .hero-badge i {
            color: var(--gold)
        }

        .hero-text h1 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--ink);
            margin-bottom: 1.25rem;
            letter-spacing: -0.5px
        }

        .hero-text h1 span {
            color: var(--brand)
        }

        .hero-sub {
            font-size: 1.05rem;
            color: var(--ink-light);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 520px
        }

        .hero-ctas {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 1.5rem
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            color: var(--ink-weak);
            font-size: .88rem
        }

        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: .4rem
        }

        .hero-trust i {
            color: var(--gold)
        }

        .hero-visual {
            flex: 1 1 380px;
            position: relative
        }

        .hero-img {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(23, 49, 61, .12);
            position: relative;
            aspect-ratio: 4/3;
            background: #fff
        }

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

        .hero-float-card {
            position: absolute;
            bottom: 22px;
            left: -18px;
            background: #fff;
            border-radius: 14px;
            box-shadow: 0 10px 30px rgba(23, 49, 61, .12);
            padding: 12px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            border: 1px solid var(--line)
        }

        .hero-float-icon {
            width: 36px;
            height: 36px;
            background: var(--brand-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            font-size: 1rem
        }

        .hero-float-text {
            font-size: .85rem;
            font-weight: 500;
            color: var(--ink)
        }

        .hero-float-text small {
            display: block;
            color: var(--ink-weak);
            font-weight: 400;
            font-size: .78rem
        }

        @media (max-width:768px) {
            .page-hero {
                padding: 2.5rem 0 3rem
            }
            .hero-float-card {
                left: 8px;
                bottom: 12px
            }
        }

        /* ===== 服务卡片 ===== */
        .services-section {
            padding: 4.5rem 0
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 3rem
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            font-size: .85rem;
            color: var(--gold);
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: .6rem
        }

        .section-head h2 {
            font-size: clamp(1.6rem, 3vw, 2.1rem);
            font-weight: 800;
            color: var(--ink);
            line-height: 1.3;
            letter-spacing: -0.5px
        }

        .section-head p {
            color: var(--ink-light);
            font-size: 1rem;
            margin-top: .8rem;
            line-height: 1.7
        }

        .service-card {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0;
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--line);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            margin-bottom: 1.5rem;
            transition: all .25s ease
        }

        .service-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px)
        }

        .service-card-img {
            flex: 1 1 380px;
            min-height: 280px;
            position: relative;
            overflow: hidden
        }

        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease
        }

        .service-card:hover .service-card-img img {
            transform: scale(1.04)
        }

        .service-card-img:after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(23, 49, 61, .18))
        }

        .service-card-content {
            flex: 1 1 420px;
            padding: 2.5rem 2.8rem
        }

        .service-tag {
            display: inline-block;
            background: rgba(196, 162, 101, .12);
            color: #9a7f45;
            font-size: .8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 1rem;
            border: 1px solid rgba(196, 162, 101, .2)
        }

        .service-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: .8rem;
            line-height: 1.4
        }

        .service-card p {
            color: var(--ink-light);
            font-size: .95rem;
            line-height: 1.75;
            margin-bottom: 1.2rem
        }

        .service-card-link {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            color: var(--brand);
            font-weight: 600;
            font-size: .92rem;
            transition: gap .2s ease
        }

        .service-card-link:hover {
            gap: .7rem;
            color: var(--brand-dark)
        }

        @media (max-width:768px) {
            .service-card-content {
                padding: 1.5rem 1.25rem 1.8rem
            }
            .service-card-img {
                min-height: 200px;
                flex-basis: 100%
            }
            .service-card-img img {
                height: 100%
            }
        }

        /* ===== 流程区 ===== */
        .process-section {
            padding: 4rem 0;
            background: #fff;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line)
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 2rem
        }

        .process-step {
            text-align: center;
            padding: 2rem 1.5rem;
            border-radius: 14px;
            background: var(--page-bg);
            border: 1px solid var(--line);
            transition: all .25s ease;
            position: relative
        }

        .process-step:hover {
            background: var(--brand-light);
            border-color: transparent;
            box-shadow: var(--card-shadow);
            transform: translateY(-3px)
        }

        .process-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
            margin-bottom: .8rem;
            display: block
        }

        .process-step h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: .5rem
        }

        .process-step p {
            font-size: .88rem;
            color: var(--ink-light);
            line-height: 1.6
        }

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

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

        /* ===== FAQ ===== */
        .faq-section {
            padding: 4.5rem 0
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 14px;
            margin-bottom: .9rem;
            overflow: hidden;
            transition: all .2s ease
        }

        .faq-item.open {
            box-shadow: var(--card-shadow);
            border-color: rgba(44, 110, 143, .2)
        }

        .faq-question {
            width: 100%;
            padding: 1.3rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--ink);
            background: none;
            text-align: left;
            transition: color .2s
        }

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

        .faq-icon {
            font-size: 1.2rem;
            color: var(--gold);
            flex-shrink: 0;
            transition: transform .25s ease
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 1.5rem;
            color: var(--ink-light);
            font-size: .95rem;
            line-height: 1.75;
            transition: max-height .3s ease, padding .25s ease;
            background: var(--page-bg)
        }

        .faq-item.open .faq-answer {
            max-height: 600px;
            padding: 1.2rem 1.5rem 1.5rem;
            border-top: 1px solid var(--line)
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 1rem 0 4.5rem
        }

        .cta-banner {
            background: var(--brand);
            border-radius: 24px;
            padding: 3.5rem 3rem;
            position: relative;
            overflow: hidden;
            text-align: center
        }

        .cta-banner:before {
            content: '';
            position: absolute;
            right: -60px;
            top: -80px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 32px solid rgba(255, 255, 255, .08)
        }

        .cta-banner:after {
            content: '';
            position: absolute;
            left: -40px;
            bottom: -60px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            border: 20px solid rgba(255, 255, 255, .06)
        }

        .cta-banner h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: .8rem;
            letter-spacing: -0.3px;
            position: relative;
            z-index: 2
        }

        .cta-banner p {
            color: rgba(255, 255, 255, .85);
            font-size: 1.05rem;
            margin-bottom: 1.8rem;
            position: relative;
            z-index: 2;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto
        }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--footer-bg);
            color: #C4D1DA;
            padding: 4rem 0 0;
            font-size: .92rem
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, .08)
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem
        }

        .footer-logo .logo-icon {
            background: var(--gold);
            color: var(--footer-bg)
        }

        .footer-brand p {
            color: #93A7B5;
            line-height: 1.7;
            margin-bottom: 1rem;
            max-width: 280px
        }

        .footer-contact-row {
            display: flex;
            gap: .8rem
        }

        .footer-contact-row a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #C4D1DA;
            transition: all .2s ease
        }

        .footer-contact-row a:hover {
            background: var(--brand);
            color: #fff;
            transform: translateY(-2px)
        }

        .footer-col h4 {
            font-size: 1rem;
            color: #fff;
            font-weight: 600;
            margin-bottom: 1rem;
            letter-spacing: .5px
        }

        .footer-col ul {
            list-style: none;
            padding: 0
        }

        .footer-col li {
            margin-bottom: .6rem
        }

        .footer-col a {
            color: #93A7B5;
            transition: color .2s ease
        }

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

        .footer-contact-list li {
            display: flex;
            align-items: flex-start;
            gap: .6rem;
            color: #93A7B5
        }

        .footer-contact-list i {
            color: var(--gold);
            margin-top: 3px
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: .6rem;
            padding: 1.5rem 0;
            color: #6E8595;
            font-size: .85rem
        }

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

        @media (max-width:520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center
            }
        }

        /* ===== 底部固定转化条 ===== */
        .convert-bar {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translate(-50%, 80px);
            z-index: 90;
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(8px);
            border: 1px solid var(--line);
            border-radius: 999px;
            box-shadow: 0 12px 36px rgba(23, 49, 61, .16);
            padding: 10px 12px 10px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            max-width: 600px;
            width: auto;
            margin: 0 16px;
            transition: transform .4s ease, opacity .4s ease;
            opacity: 0;
            pointer-events: none
        }

        .convert-bar.show {
            transform: translate(-50%, 0);
            opacity: 1;
            pointer-events: auto
        }

        .convert-bar p {
            font-size: .92rem;
            font-weight: 500;
            color: var(--ink);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis
        }

        .convert-bar .btn {
            padding: 8px 20px;
            font-size: .88rem;
            flex-shrink: 0
        }

        .convert-close {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--line);
            color: var(--ink-light);
            font-size: .8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all .2s ease
        }

        .convert-close:hover {
            background: var(--brand);
            color: #fff
        }

        @media (max-width:520px) {
            .convert-bar {
                left: 0;
                right: 0;
                transform: translateY(80px);
                bottom: 0;
                border-radius: 0;
                border-left: none;
                border-right: none;
                border-bottom: none;
                margin: 0;
                width: 100%;
                max-width: 100%;
                padding: 10px 12px 16px;
                justify-content: space-between;
                gap: 8px
            }
            .convert-bar p {
                font-size: .82rem;
                max-width: 180px
            }
            .convert-bar.show {
                transform: translateY(0)
            }
            .convert-bar .btn {
                padding: 8px 14px;
                font-size: .8rem
            }
        }

        /* ===== 辅助 ===== */
        .text-gold {
            color: var(--gold)
        }

        .bg-brandlight {
            background: var(--brand-light)
        }

        ::selection {
            background: rgba(44, 110, 143, .15)
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
    :root {
        --primary: #2C6E8F;
        --primary-dark: #1F5570;
        --primary-soft: #E8F1F6;
        --accent: #C4A265;
        --accent-soft: #F5EEDC;
        --bg-body: #F6F9FB;
        --bg-white: #FFFFFF;
        --text-main: #17313D;
        --text-secondary: #526878;
        --text-weak: #7B8D9A;
        --border-color: #E1E9EF;
        --shadow-card: 0 10px 30px rgba(23, 49, 61, 0.08);
        --shadow-hover: 0 16px 40px rgba(23, 49, 61, 0.13);
        --radius-lg: 16px;
        --radius-md: 12px;
        --radius-sm: 8px;
        --transition: all 0.2s ease;
        --footer-bg: #12212B;
        --footer-text: #C4D1DA;
    }

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

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

    body {
        font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
        background-color: var(--bg-body);
        color: var(--text-main);
        font-size: 16px;
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }

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

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

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

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

    ul,
    ol {
        list-style: none;
    }

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

    @media (max-width: 640px) {
        .container {
            padding: 0 16px;
        }
    }

    /* ===== 按钮 ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 15px;
        font-weight: 600;
        line-height: 1.2;
        padding: 12px 24px;
        border-radius: var(--radius-sm);
        transition: var(--transition);
        border: 1.5px solid transparent;
        white-space: nowrap;
    }

    .btn:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 3px;
        box-shadow: 0 0 0 4px rgba(44, 110, 143, 0.18);
    }

    .btn-primary {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 4px 14px rgba(44, 110, 143, 0.22);
    }

    .btn-primary:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 8px 22px rgba(44, 110, 143, 0.3);
    }

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

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

    .btn-outline:hover {
        background: var(--primary-soft);
        color: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 6px 18px rgba(44, 110, 143, 0.12);
    }

    .btn-white {
        background: #fff;
        color: var(--primary);
    }

    .btn-white:hover {
        background: var(--primary-soft);
        transform: translateY(-2px);
        box-shadow: 0 10px 24px rgba(23, 49, 61, 0.2);
    }

    .btn-block {
        display: flex;
        width: 100%;
    }

    .btn-sm {
        padding: 10px 18px;
        font-size: 14px;
    }

    /* ===== Header 导航 ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: #fff;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 2px 12px rgba(23, 49, 61, 0.03);
    }

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

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

    .logo-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 10px;
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        color: #fff;
        font-size: 18px;
        font-weight: 800;
        box-shadow: 0 4px 12px rgba(44, 110, 143, 0.3);
    }

    .logo-text {
        font-size: 22px;
        font-weight: 800;
        color: var(--text-main);
        letter-spacing: -0.3px;
    }

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

    .nav-link {
        position: relative;
        display: block;
        padding: 9px 18px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-secondary);
        border-radius: 8px;
        transition: var(--transition);
    }

    .nav-link::after {
        content: '';
        position: absolute;
        left: 18px;
        right: 18px;
        bottom: 4px;
        height: 2px;
        border-radius: 4px;
        background: var(--accent);
        opacity: 0;
        transform: scaleX(0.6);
        transition: var(--transition);
    }

    .nav-link:hover {
        color: var(--primary);
        background: var(--primary-soft);
    }

    .nav-link:hover::after {
        opacity: 1;
        transform: scaleX(1);
    }

    .nav-link.active {
        color: var(--primary-dark);
        font-weight: 600;
        background: var(--primary-soft);
    }

    .nav-link.active::after {
        opacity: 1;
        transform: scaleX(1);
    }

    .nav-cta {
        margin-left: 12px;
    }

    /* 移动端汉堡 */
    .mobile-toggle {
        display: none;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 44px;
        height: 44px;
        border-radius: 10px;
        background: var(--primary-soft);
        gap: 5px;
        transition: var(--transition);
    }

    .mobile-toggle:hover {
        background: var(--primary);
    }

    .mobile-toggle:hover span {
        background: #fff;
    }

    .mobile-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        border-radius: 4px;
        background: var(--text-main);
        transition: var(--transition);
    }

    .mobile-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 20px 40px rgba(23, 49, 61, 0.12);
        padding: 20px 24px 28px;
        animation: slideDown 0.25s ease;
    }

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

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .mobile-nav {
        display: flex;
        flex-direction: column;
        gap: 4px;
        margin-bottom: 20px;
    }

    .mobile-nav a {
        display: block;
        padding: 13px 14px;
        font-size: 16px;
        font-weight: 500;
        color: var(--text-main);
        border-radius: 10px;
        transition: var(--transition);
    }

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

    .mobile-cta {
        display: flex;
        width: 100%;
    }

    @media (max-width: 768px) {
        .main-nav {
            display: none;
        }

        .nav-cta {
            display: none;
        }

        .mobile-toggle {
            display: flex;
        }
    }

    /* ===== 面包屑 ===== */
    .breadcrumb {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        padding: 26px 0 4px;
        font-size: 14px;
        color: var(--text-weak);
    }

    .breadcrumb a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--text-secondary);
        transition: var(--transition);
    }

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

    .breadcrumb-sep {
        color: var(--border-color);
        font-size: 12px;
    }

    .breadcrumb-current {
        color: var(--text-main);
        max-width: 300px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    /* ===== 文章页面布局 ===== */
    .article-page {
        padding-bottom: 60px;
        min-height: 70vh;
    }

    .article-layout {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 340px;
        gap: 32px;
        margin-top: 20px;
        align-items: start;
    }

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

    /* ===== 文章主栏 ===== */
    .article-main {
        min-width: 0;
    }

    .article-card {
        background: var(--bg-white);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border-color);
        padding: 40px 44px;
        transition: box-shadow 0.3s ease;
    }

    @media (max-width: 768px) {
        .article-card {
            padding: 24px 20px;
            border-radius: var(--radius-md);
        }
    }

    .article-title {
        font-size: 34px;
        font-weight: 800;
        line-height: 1.35;
        color: var(--text-main);
        letter-spacing: -0.5px;
        margin-bottom: 18px;
    }

    @media (max-width: 640px) {
        .article-title {
            font-size: 24px;
            line-height: 1.4;
        }
    }

    .article-meta {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 16px;
        padding-bottom: 20px;
        margin-bottom: 24px;
        border-bottom: 1px solid var(--border-color);
    }

    .meta-item {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        color: var(--text-weak);
    }

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

    .article-cover {
        border-radius: var(--radius-md);
        overflow: hidden;
        margin-bottom: 28px;
        position: relative;
    }

    .article-cover::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 70%, rgba(23, 49, 61, 0.04));
        pointer-events: none;
    }

    .article-cover img {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 8;
        object-fit: cover;
        border-radius: var(--radius-md);
    }

    @media (max-width: 640px) {
        .article-cover img {
            aspect-ratio: 16 / 10;
        }
    }

    /* ===== 文章正文 ===== */
    .article-body {
        font-size: 17px;
        line-height: 1.85;
        color: var(--text-main);
        word-wrap: break-word;
    }

    .article-body > *:first-child {
        margin-top: 0;
    }

    .article-body p {
        margin-bottom: 20px;
    }

    .article-body strong {
        font-weight: 700;
        color: var(--text-main);
    }

    .article-body h2 {
        font-size: 24px;
        font-weight: 700;
        line-height: 1.4;
        margin: 38px 0 16px;
        padding-bottom: 12px;
        border-bottom: 2px solid var(--primary-soft);
        color: var(--text-main);
    }

    .article-body h3 {
        font-size: 20px;
        font-weight: 600;
        line-height: 1.45;
        margin: 28px 0 14px;
        color: var(--text-main);
    }

    .article-body h4 {
        font-size: 17px;
        font-weight: 600;
        margin: 20px 0 10px;
        color: var(--text-main);
    }

    .article-body ul,
    .article-body ol {
        margin: 16px 0 22px;
        padding-left: 28px;
    }

    .article-body ul li {
        list-style: disc;
        margin-bottom: 8px;
        padding-left: 4px;
    }

    .article-body ol li {
        list-style: decimal;
        margin-bottom: 8px;
        padding-left: 4px;
    }

    .article-body li::marker {
        color: var(--accent);
        font-weight: 700;
    }

    .article-body blockquote {
        border-left: 4px solid var(--accent);
        background: var(--primary-soft);
        padding: 18px 24px;
        border-radius: 0 var(--radius-md) var(--radius-md) 0;
        margin: 24px 0;
        color: var(--text-secondary);
        font-size: 16px;
        line-height: 1.8;
    }

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

    .article-body img {
        max-width: 100%;
        border-radius: var(--radius-md);
        margin: 24px auto;
        box-shadow: 0 6px 24px rgba(23, 49, 61, 0.08);
    }

    .article-body a {
        color: var(--primary);
        text-decoration: underline;
        text-decoration-color: rgba(44, 110, 143, 0.35);
        text-underline-offset: 4px;
        transition: var(--transition);
    }

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

    .article-body table {
        width: 100%;
        border-collapse: collapse;
        margin: 24px 0;
        font-size: 15px;
        border-radius: var(--radius-sm);
        overflow: hidden;
    }

    .article-body table th {
        background: var(--primary-soft);
        font-weight: 600;
        text-align: left;
        padding: 12px 16px;
        border: 1px solid var(--border-color);
        color: var(--text-main);
    }

    .article-body table td {
        padding: 10px 16px;
        border: 1px solid var(--border-color);
        background: #fff;
    }

    .article-body table tr:nth-child(even) td {
        background: var(--bg-body);
    }

    .article-body code {
        background: var(--primary-soft);
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 0.9em;
        font-family: 'SFMono-Regular', Consolas, monospace;
        color: var(--primary-dark);
    }

    .article-body pre {
        background: var(--footer-bg);
        color: var(--footer-text);
        padding: 20px;
        border-radius: var(--radius-md);
        overflow-x: auto;
        margin: 24px 0;
        font-size: 14px;
        line-height: 1.7;
    }

    .article-body pre code {
        background: transparent;
        color: inherit;
        padding: 0;
    }

    /* ===== 文章底部工具 ===== */
    .article-footer-tools {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding-top: 28px;
        margin-top: 36px;
        border-top: 1px solid var(--border-color);
    }

    @media (max-width: 640px) {
        .article-footer-tools {
            flex-direction: column;
            align-items: flex-start;
        }
    }

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

    .tag {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 6px 14px;
        font-size: 13px;
        font-weight: 500;
        color: var(--text-secondary);
        background: var(--primary-soft);
        border-radius: 100px;
        transition: var(--transition);
    }

    .tag:hover {
        background: var(--accent-soft);
        color: var(--primary-dark);
    }

    .tag i {
        color: var(--accent);
        font-size: 11px;
    }

    /* ===== 侧边栏 ===== */
    .article-sidebar {
        display: flex;
        flex-direction: column;
        gap: 24px;
        position: sticky;
        top: 92px;
    }

    @media (max-width: 1024px) {
        .article-sidebar {
            position: static;
        }
    }

    .sidebar-widget {
        background: var(--bg-white);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: 28px 24px;
        box-shadow: var(--shadow-card);
    }

    .sidebar-title {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 17px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 20px;
    }

    .title-bar {
        display: inline-block;
        width: 4px;
        height: 18px;
        border-radius: 4px;
        background: var(--accent);
    }

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

    .related-item {
        display: flex;
        gap: 12px;
        padding: 10px;
        border-radius: var(--radius-md);
        border: 1px solid transparent;
        transition: var(--transition);
    }

    .related-item:hover {
        background: var(--bg-body);
        border-color: var(--border-color);
        transform: translateX(3px);
    }

    .related-item:hover h4 {
        color: var(--primary);
    }

    .related-thumb {
        flex-shrink: 0;
        width: 80px;
        height: 64px;
        border-radius: 8px;
        overflow: hidden;
    }

    .related-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.3s ease;
    }

    .related-item:hover .related-thumb img {
        transform: scale(1.06);
    }

    .related-info {
        min-width: 0;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        gap: 6px;
    }

    .related-info h4 {
        font-size: 14px;
        font-weight: 600;
        line-height: 1.5;
        color: var(--text-main);
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        transition: var(--transition);
    }

    .related-date {
        font-size: 12px;
        color: var(--text-weak);
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    .cta-widget {
        background: linear-gradient(150deg, var(--primary) 0%, var(--primary-dark) 100%);
        color: #fff;
        border: none;
    }

    .cta-widget .sidebar-title {
        color: #fff;
    }

    .cta-widget .title-bar {
        background: var(--accent);
    }

    .cta-widget p {
        font-size: 14px;
        line-height: 1.7;
        color: rgba(255, 255, 255, 0.88);
        margin-bottom: 18px;
    }

    .cta-widget .btn-white {
        background: #fff;
        color: var(--primary-dark);
        box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
    }

    .cta-widget .btn-white:hover {
        background: var(--accent-soft);
        transform: translateY(-2px);
    }

    .cta-hotline {
        margin-top: 18px;
        padding-top: 16px;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
        text-align: center;
    }

    .cta-phone-label {
        display: block;
        font-size: 12px;
        color: rgba(255, 255, 255, 0.65);
        margin-bottom: 4px;
    }

    .cta-phone-number {
        font-size: 22px;
        font-weight: 700;
        letter-spacing: 0.5px;
    }

    .related-empty {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 12px;
        padding: 30px 20px;
        border: 2px dashed var(--border-color);
        border-radius: var(--radius-md);
        color: var(--text-weak);
    }

    .related-empty i {
        font-size: 28px;
        color: var(--accent);
    }

    .related-empty p {
        font-size: 14px;
    }

    /* ===== 内容未找到 ===== */
    .not-found-box {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        min-height: 420px;
        background: var(--bg-white);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
        padding: 60px 30px;
        margin-top: 40px;
    }

    .not-found-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 80px;
        height: 80px;
        border-radius: 50%;
        background: var(--primary-soft);
        margin-bottom: 24px;
        position: relative;
    }

    .not-found-icon i {
        font-size: 32px;
        color: var(--primary);
    }

    .not-found-box h1 {
        font-size: 28px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 12px;
    }

    .not-found-box p {
        font-size: 15px;
        color: var(--text-secondary);
        margin-bottom: 28px;
        max-width: 420px;
    }

    /* ===== 页脚 ===== */
    .site-footer {
        background: var(--footer-bg);
        color: var(--footer-text);
        padding: 64px 0 0;
        margin-top: 40px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 48px;
        padding-bottom: 48px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    @media (max-width: 768px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 36px 28px;
        }
    }

    @media (max-width: 520px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 30px;
        }
    }

    .footer-brand .footer-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 21px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 16px;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.7;
        color: rgba(196, 209, 218, 0.75);
        margin-bottom: 20px;
        max-width: 320px;
    }

    .footer-contact-row {
        display: flex;
        gap: 10px;
    }

    .footer-contact-row a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.08);
        color: var(--footer-text);
        transition: var(--transition);
    }

    .footer-contact-row a:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-2px);
    }

    .footer-col h4 {
        font-size: 16px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 18px;
        position: relative;
        padding-bottom: 10px;
    }

    .footer-col h4::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 28px;
        height: 2px;
        border-radius: 2px;
        background: var(--accent);
    }

    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .footer-col li {
        font-size: 14px;
        line-height: 1.6;
        color: rgba(196, 209, 218, 0.75);
    }

    .footer-col li a {
        color: rgba(196, 209, 218, 0.75);
        transition: var(--transition);
    }

    .footer-col li a:hover {
        color: #fff;
        padding-left: 4px;
    }

    .footer-contact-list li {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .footer-contact-list i {
        color: var(--accent);
        font-size: 14px;
        width: 16px;
        text-align: center;
    }

    .footer-bottom {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        padding: 28px 0 36px;
        font-size: 13px;
        color: rgba(196, 209, 218, 0.55);
    }

    /* ===== 底部固定转化条 ===== */
    .fixed-cta {
        position: fixed;
        bottom: 24px;
        left: 0;
        right: 0;
        z-index: 900;
        display: flex;
        justify-content: center;
        padding: 0 20px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(24px);
        transition: all 0.4s ease;
        pointer-events: none;
    }

    .fixed-cta.is-visible {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }

    /* 在不存在文章时保持隐藏 */
    .fixed-cta.is-hidden {
        display: none !important;
    }

    .fixed-cta-inner {
        display: flex;
        align-items: center;
        gap: 20px;
        background: rgba(255, 255, 255, 0.96);
        border: 1px solid var(--border-color);
        border-radius: 100px;
        padding: 14px 16px 14px 28px;
        box-shadow: 0 16px 44px rgba(23, 49, 61, 0.2);
        max-width: 720px;
        width: 100%;
    }

    @media (max-width: 640px) {
        .fixed-cta {
            bottom: 12px;
        }

        .fixed-cta-inner {
            padding: 10px 12px 10px 18px;
            border-radius: 20px;
            gap: 10px;
        }
    }

    .fixed-cta-text {
        display: flex;
        align-items: center;
        gap: 10px;
        flex: 1;
        min-width: 0;
    }

    .fixed-cta-text i {
        color: var(--accent);
        font-size: 18px;
        flex-shrink: 0;
    }

    .fixed-cta-text span {
        font-size: 14px;
        font-weight: 600;
        color: var(--text-main);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    @media (max-width: 640px) {
        .fixed-cta-text span {
            font-size: 13px;
        }
    }

    .fixed-cta-actions {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-shrink: 0;
    }

    .fixed-cta-close {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: var(--bg-body);
        color: var(--text-weak);
        transition: var(--transition);
    }

    .fixed-cta-close:hover {
        background: var(--primary-soft);
        color: var(--primary);
    }

    /* ===== 页面底部预留，避免遮挡 ===== */
    body {
        padding-bottom: 40px;
    }

    @media (max-width: 640px) {
        body {
            padding-bottom: 0;
        }
    }

    /* ===== 响应式补充 ===== */
    @media (max-width: 768px) {
        .header-inner {
            height: 64px;
        }

        .mobile-menu {
            top: 64px;
        }

        .logo-text {
            font-size: 19px;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 16px;
        }

        .article-page {
            padding-bottom: 40px;
        }
    }

    @media (max-width: 520px) {
        .breadcrumb {
            font-size: 13px;
        }

        .meta-item {
            font-size: 13px;
            gap: 4px;
        }

        .article-meta {
            gap: 8px 12px;
        }

        .article-tags {
            gap: 6px;
        }

        .tag {
            padding: 5px 10px;
            font-size: 12px;
        }

        .not-found-box {
            padding: 40px 20px;
            min-height: 320px;
        }

        .not-found-box h1 {
            font-size: 22px;
        }

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

/* roulang page: category2 */
:root {
            --color-primary: #2C6E8F;
            --color-primary-hover: #1F5570;
            --color-primary-light: #E8F1F6;
            --color-gold: #C4A265;
            --color-page-bg: #F6F9FB;
            --color-text: #17313D;
            --color-text-secondary: #526878;
            --color-text-light: #7B8D9A;
            --color-border: #E1E9EF;
            --color-footer-bg: #12212B;
            --color-footer-text: #C4D1DA;
            --shadow-card: 0 10px 30px rgba(23, 49, 61, 0.08);
            --radius-card: 14px;
            --radius-btn: 10px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-page-bg);
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all .2s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, .96);
            border-bottom: 1px solid var(--color-border);
            backdrop-filter: blur(8px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            flex-wrap: wrap;
        }
        .site-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.2;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            min-width: 36px;
            background: var(--color-primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link {
            display: flex;
            align-items: center;
            height: 72px;
            padding: 0 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            position: relative;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--color-primary);
        }
        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 3px 3px 0 0;
        }
        .header-cta {
            margin-left: 8px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: all .2s ease;
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(44, 110, 143, .3);
        }
        .btn-outline {
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
        }
        .btn-outline:hover {
            background: var(--color-primary-light);
        }
        .btn-white {
            background: #fff;
            color: var(--color-primary);
        }
        .btn-white:hover {
            background: var(--color-primary-light);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, .1);
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        .menu-toggle {
            display: none;
            font-size: 24px;
            color: var(--color-text);
            padding: 8px;
            line-height: 1;
        }

        /* ===== 页头 ===== */
        .page-hero {
            background: linear-gradient(135deg, #E8F1F6 0%, #F6F9FB 100%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -40px;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(196, 162, 101, .18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(44, 110, 143, .1);
            color: var(--color-primary);
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--color-text);
            position: relative;
            z-index: 1;
        }
        .page-hero p {
            font-size: 17px;
            color: var(--color-text-secondary);
            max-width: 680px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        /* ===== 主体布局 ===== */
        .category-main {
            padding: 60px 0 80px;
        }
        .category-layout {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 60px;
        }

        /* 侧边锚点导航 */
        .sidenav {
            position: sticky;
            top: 100px;
            align-self: start;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
        }
        .sidenav-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--color-border);
        }
        .sidenav-list li+li {
            margin-top: 4px;
        }
        .sidenav-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .sidenav-list a:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .sidenav-list a.active {
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-weight: 600;
        }
        .sidenav-list .num {
            font-size: 12px;
            font-weight: 700;
            color: var(--color-gold);
        }

        /* ===== 方案区段 ===== */
        .solution-section {
            margin-bottom: 60px;
            scroll-margin-top: 100px;
        }
        .solution-section+.solution-section {
            padding-top: 40px;
            border-top: 1px solid var(--color-border);
        }
        .solution-head {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 24px;
        }
        .solution-icon {
            width: 52px;
            height: 52px;
            min-width: 52px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }
        .solution-head h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.3;
        }
        .solution-head .sub {
            font-size: 14px;
            color: var(--color-text-light);
            margin-top: 4px;
        }
        .solution-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .solution-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 24px;
        }
        .step-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 20px;
            transition: all .2s ease;
        }
        .step-item:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .step-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-gold);
            display: block;
            margin-bottom: 8px;
            line-height: 1;
        }
        .step-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        .solution-img {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            margin-top: 28px;
        }
        .solution-img img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }
        .solution-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }
        .solution-tag {
            padding: 6px 14px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-section {
            margin-top: 40px;
            padding-top: 40px;
            border-top: 1px solid var(--color-border);
        }
        .faq-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 24px;
            text-align: center;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow .2s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            background: #fff;
            text-align: left;
            transition: background .2s ease;
        }
        .faq-question:hover {
            background: var(--color-primary-light);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            min-width: 28px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform .2s ease;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
            background: var(--color-page-bg);
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
        }
        .faq-answer p {
            padding: 0 24px 18px 24px;
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding-bottom: 80px;
        }
        .cta-banner {
            background: var(--color-primary);
            border-radius: 20px;
            padding: 60px 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before,
        .cta-banner::after {
            content: '';
            position: absolute;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, .1);
        }
        .cta-banner::before {
            width: 200px;
            height: 200px;
            top: -60px;
            left: -40px;
        }
        .cta-banner::after {
            width: 120px;
            height: 120px;
            bottom: -40px;
            right: 20px;
        }
        .cta-banner h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, .85);
            font-size: 16px;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn {
            position: relative;
            z-index: 1;
        }

        /* ===== 底部转化条 ===== */
        .floating-bar {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 60;
            background: rgba(255, 255, 255, .97);
            border: 1px solid var(--color-border);
            border-radius: 50px;
            box-shadow: 0 12px 40px rgba(23, 49, 61, .15);
            padding: 12px 12px 12px 24px;
            display: none;
            align-items: center;
            gap: 20px;
            max-width: 760px;
            width: calc(100% - 40px);
        }
        .floating-bar.show {
            display: flex;
        }
        .floating-bar .fb-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            flex: 1;
            line-height: 1.4;
        }
        .floating-bar .fb-close {
            width: 30px;
            height: 30px;
            min-width: 30px;
            border-radius: 50%;
            background: var(--color-page-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-light);
            font-size: 14px;
            transition: all .2s ease;
        }
        .floating-bar .fb-close:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-logo .logo-icon {
            background: rgba(255, 255, 255, .12);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            opacity: .8;
            max-width: 280px;
            margin-bottom: 20px;
        }
        .footer-contact-row {
            display: flex;
            gap: 12px;
        }
        .footer-contact-row a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--color-footer-text);
        }
        .footer-contact-row a:hover {
            background: var(--color-primary);
            color: #fff;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--color-footer-text);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-contact-list li {
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact-list li i {
            color: var(--color-gold);
        }
        .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: 14px;
            opacity: .7;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-layout {
                grid-template-columns: 220px 1fr;
                gap: 36px;
            }
            .solution-steps {
                grid-template-columns: 1fr;
            }
            .solution-img img {
                height: 220px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .menu-toggle {
                display: block;
                order: 2;
            }
            .site-logo {
                order: 1;
            }
            .main-nav {
                display: none;
                order: 3;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
            }
            .header-cta {
                display: none;
                order: 4;
                width: 100%;
                padding: 0 0 16px;
            }
            .site-header.open .main-nav {
                display: flex;
                padding: 8px 0;
                border-top: 1px solid var(--color-border);
            }
            .site-header.open .main-nav .nav-link {
                height: auto;
                padding: 12px 4px;
                border-bottom: 1px solid var(--color-border);
            }
            .site-header.open .main-nav .nav-link.active::after {
                display: none;
            }
            .site-header.open .header-cta {
                display: block;
                padding: 12px 0 0;
            }
            .site-header.open .header-cta .btn {
                width: 100%;
            }
            .category-layout {
                grid-template-columns: 1fr;
            }
            .sidenav {
                position: static;
                margin-bottom: 32px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero {
                padding: 56px 0 40px;
            }
            .solution-img img {
                height: auto;
            }
            .solution-head {
                flex-direction: column;
                gap: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .cta-banner {
                padding: 40px 24px;
            }
            .cta-banner h2 {
                font-size: 24px;
            }
            .floating-bar {
                left: 16px;
                right: 16px;
                transform: none;
                width: auto;
                border-radius: 16px;
                bottom: 16px;
                gap: 12px;
                padding-left: 16px;
            }
            .floating-bar .fb-text {
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero p {
                font-size: 15px;
            }
            .solution-head h2 {
                font-size: 22px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer p {
                padding: 0 16px 14px 16px;
                font-size: 14px;
            }
            .floating-bar .btn {
                padding: 8px 14px;
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #2C6E8F;
            --primary-hover: #1F5570;
            --primary-light: #E8F1F6;
            --gold: #C4A265;
            --bg-body: #F6F9FB;
            --text-main: #17313D;
            --text-secondary: #526878;
            --text-muted: #7B8D9A;
            --line: #E1E9EF;
            --card-shadow: 0 10px 30px rgba(23, 49, 61, 0.08);
            --radius: 14px;
            --radius-sm: 8px;
            --footer-bg: #12212B;
            --footer-text: #C4D1DA;
        }
        * {
            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-body);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: #fff;
            border-bottom: 1px solid var(--line);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 32px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 9px;
            font-size: 18px;
            font-weight: 700;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 0;
            position: relative;
            transition: color .2s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            padding: 10px 24px;
            transition: all .2s ease;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff !important;
            box-shadow: 0 2px 8px rgba(44, 110, 143, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(44, 110, 143, 0.32);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary-light);
            border-color: var(--primary-hover);
            color: var(--primary-hover);
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
            border-radius: 10px;
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
        }
        .btn-white:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }
        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-main);
            border: 1px solid var(--line);
            background: #fff;
            transition: all .2s;
        }
        .menu-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--line);
            padding: 20px 24px 28px;
            box-shadow: 0 20px 40px rgba(23, 49, 61, 0.08);
            z-index: 49;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-link {
            padding: 12px 14px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            transition: background .2s, color .2s;
        }
        .mobile-link:hover,
        .mobile-link.active {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-cta {
            margin-top: 12px;
            width: 100%;
        }
        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }
            .btn-nav {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
        }
        @media (min-width: 1025px) {
            .mobile-menu {
                display: none !important;
            }
        }

        .page-hero {
            background: linear-gradient(135deg, #E8F1F6 0%, #F6F9FB 100%);
            padding: 72px 0 72px;
            border-bottom: 1px solid var(--line);
            position: relative;
            overflow: hidden;
        }
        .page-hero-inner {
            display: flex;
            align-items: center;
            gap: 60px;
            position: relative;
            z-index: 2;
        }
        .page-hero-text {
            flex: 1.1;
        }
        .page-hero-img {
            flex: 1;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            height: 320px;
            object-fit: cover;
        }
        .hero-breadcrumb {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-breadcrumb a:hover {
            color: var(--primary);
        }
        .hero-breadcrumb span {
            color: var(--text-muted);
        }
        .page-hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: -0.015em;
        }
        .page-hero p {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 540px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 48px 0 48px;
            }
            .page-hero-inner {
                flex-direction: column;
                gap: 32px;
            }
            .page-hero-img {
                width: 100%;
                height: 220px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
        }

        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--primary-light);
        }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold);
            background: rgba(196, 162, 101, 0.12);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            letter-spacing: -0.01em;
        }
        .section-header p {
            margin-top: 12px;
            color: var(--text-secondary);
            font-size: 16px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .news-card {
            display: flex;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--line);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(23, 49, 61, 0.14);
        }
        .news-card-img {
            width: 300px;
            min-height: 220px;
            flex-shrink: 0;
            overflow: hidden;
            position: relative;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.04);
        }
        .news-card-body {
            padding: 36px 38px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 10px;
            flex: 1;
        }
        .news-tag {
            font-size: 13px;
            font-weight: 600;
            color: var(--gold);
            background: rgba(196, 162, 101, 0.1);
            padding: 3px 12px;
            border-radius: 20px;
            display: inline-block;
            width: fit-content;
            margin-bottom: 4px;
        }
        .news-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin: 0;
        }
        .news-card:hover .news-title {
            color: var(--primary);
        }
        .news-summary {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 10px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .news-meta i {
            margin-right: 5px;
            color: var(--gold);
        }
        .news-link {
            margin-top: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s ease;
        }
        .news-link:hover {
            gap: 10px;
            color: var(--primary-hover);
        }
        @media (max-width: 768px) {
            .news-card {
                flex-direction: column;
            }
            .news-card-img {
                width: 100%;
                height: 200px;
            }
            .news-card-body {
                padding: 24px;
            }
            .news-title {
                font-size: 19px;
            }
        }

        .brand-story {
            background: linear-gradient(135deg, #F6F9FB 0%, #E8F1F6 100%);
            padding: 80px 0;
        }
        .brand-story-inner {
            display: flex;
            align-items: center;
            gap: 64px;
        }
        .brand-story-text {
            flex: 1;
        }
        .brand-story-text h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .brand-story-text p {
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            font-size: 15.5px;
        }
        .brand-story-img {
            flex: 1;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }
        .brand-story-img img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .brand-list {
            margin: 18px 0;
            padding: 0;
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .brand-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            color: var(--text-main);
        }
        .brand-list li i {
            color: var(--gold);
            width: 20px;
            text-align: center;
        }
        @media (max-width: 768px) {
            .brand-story-inner {
                flex-direction: column-reverse;
                gap: 36px;
            }
        }

        .stats-section {
            padding: 60px 0;
            background: #fff;
            border-bottom: 1px solid var(--line);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
        }
        .stat-item {
            padding: 20px 10px;
        }
        .stat-number {
            font-size: 44px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .stat-label {
            margin-top: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-number {
                font-size: 34px;
            }
        }

        .faq-section {
            padding: 72px 0;
            background: var(--bg-body);
        }
        .faq-container {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(23, 49, 61, 0.04);
            transition: box-shadow .2s;
        }
        .faq-item:hover {
            box-shadow: 0 6px 24px rgba(23, 49, 61, 0.08);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            background: #fff;
            transition: background .2s;
        }
        .faq-question:hover {
            background: #fafcfd;
        }
        .faq-icon {
            font-size: 18px;
            color: var(--gold);
            font-weight: 400;
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 24px;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            border-top: 0 solid var(--line);
        }
        .faq-item.open .faq-answer {
            max-height: 320px;
            padding: 16px 24px 24px;
            border-top-width: 1px;
            background: #fafcfd;
        }

        .cta-banner {
            padding: 72px 0 88px;
        }
        .cta-card {
            background: var(--primary);
            border-radius: 22px;
            padding: 64px 50px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            border: 2px solid rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            top: -80px;
            right: -60px;
        }
        .cta-card::after {
            content: "";
            position: absolute;
            width: 140px;
            height: 140px;
            border: 2px solid rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            bottom: -50px;
            right: 100px;
        }
        .cta-text h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 10px;
        }
        .cta-text p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
        }
        .cta-card .btn-white {
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .cta-card {
                flex-direction: column;
                text-align: center;
                padding: 40px 24px;
            }
            .cta-text h2 {
                font-size: 22px;
            }
        }

        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr 0.8fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(196, 209, 218, 0.1);
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(196, 209, 218, 0.75);
            margin-bottom: 20px;
            max-width: 300px;
        }
        .footer-contact-row {
            display: flex;
            gap: 10px;
        }
        .footer-contact-row a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--footer-text);
            transition: all .2s;
        }
        .footer-contact-row a:hover {
            background: var(--primary);
            color: #fff;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li {
            font-size: 14px;
            color: rgba(196, 209, 218, 0.72);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .footer-col ul li i {
            color: var(--gold);
            width: 16px;
            margin-top: 3px;
        }
        .footer-col ul li a {
            color: rgba(196, 209, 218, 0.72);
            transition: color .2s;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(196, 209, 218, 0.5);
            flex-wrap: wrap;
            gap: 8px;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        .floating-cta {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%) translateY(20px);
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-radius: 50px;
            border: 1px solid var(--line);
            box-shadow: 0 12px 40px rgba(23, 49, 61, 0.16);
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 12px 20px 12px 28px;
            z-index: 45;
            opacity: 0;
            pointer-events: none;
            transition: opacity .4s ease, transform .4s ease;
            max-width: calc(100vw - 32px);
        }
        .floating-cta.visible {
            opacity: 1;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .floating-cta-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            white-space: nowrap;
        }
        .floating-cta .btn {
            flex-shrink: 0;
            padding: 8px 20px;
            font-size: 14px;
        }
        .floating-cta-close {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 14px;
            transition: background .2s, color .2s;
        }
        .floating-cta-close:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .floating-cta {
                border-radius: 14px;
                bottom: 12px;
                left: 12px;
                right: 12px;
                transform: translateX(0) translateY(20px);
                max-width: none;
                justify-content: space-between;
            }
            .floating-cta.visible {
                transform: translateX(0) translateY(0);
            }
            .floating-cta-text {
                font-size: 13px;
                white-space: normal;
                line-height: 1.3;
            }
            .floating-cta .btn {
                padding: 10px 16px;
            }
        }

        .news-featured {
            display: flex;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--line);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            transition: transform .2s, box-shadow .2s;
        }
        .news-featured:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 44px rgba(23, 49, 61, 0.13);
        }
        .news-featured-img {
            width: 46%;
            min-height: 300px;
            overflow: hidden;
            position: relative;
        }
        .news-featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s;
        }
        .news-featured:hover .news-featured-img img {
            transform: scale(1.04);
        }
        .news-featured-body {
            flex: 1;
            padding: 44px 48px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 12px;
        }
        .news-featured-body .news-title {
            font-size: 26px;
        }
        @media (max-width: 768px) {
            .news-featured {
                flex-direction: column;
            }
            .news-featured-img {
                width: 100%;
                min-height: 200px;
            }
            .news-featured-body {
                padding: 24px;
            }
            .news-featured-body .news-title {
                font-size: 20px;
            }
        }

        .empty-state {
            border: 2px dashed var(--line);
            border-radius: var(--radius);
            padding: 48px 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 15px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            background: #fff;
        }
        .empty-state i {
            font-size: 36px;
            color: var(--line);
        }