/* roulang page: index */
:root {
            --primary: #2F6F9F;
            --primary-dark: #16324F;
            --accent: #F0A43A;
            --accent-hover: #E19124;
            --light-blue: #E8F2F9;
            --bg-page: #F5F8FB;
            --text-main: #22303E;
            --text-secondary: #6B7A89;
            --text-muted: #8B99A6;
            --success: #27A66F;
            --warning: #E5A44A;
            --danger: #D9535E;
            --border-color: #E3EAF0;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 10px rgba(22, 50, 79, 0.06);
            --shadow-md: 0 8px 24px rgba(22, 50, 79, 0.12);
            --shadow-lg: 0 12px 40px rgba(22, 50, 79, 0.16);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-title-wrap {
            margin-bottom: 40px;
        }

        .section-title-wrap .section-tag {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.08em;
            color: var(--primary);
            background: var(--light-blue);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
            font-weight: 600;
            text-transform: uppercase;
        }

        .section-title-wrap h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .section-title-wrap p {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 640px;
        }

        /* 导航 */
        .site-header {
            padding-top: 12px;
            position: relative;
            z-index: 100;
        }

        .nav-panel {
            background: var(--primary-dark);
            border-radius: 16px;
            padding: 10px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 8px 24px rgba(22, 50, 79, 0.18);
            gap: 16px;
            flex-wrap: wrap;
            min-height: 68px;
        }

        .nav-left {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            flex-shrink: 0;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-text strong {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .brand-text small {
            color: rgba(255, 255, 255, 0.6);
            font-size: 10px;
            letter-spacing: 0.3px;
            margin-top: 2px;
        }

        .nav-center {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 2px 0;
        }

        .nav-center::-webkit-scrollbar {
            display: none;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            background: rgba(255, 255, 255, 0.10);
            color: #fff;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            white-space: nowrap;
            position: relative;
            transition: var(--transition);
            min-height: 40px;
        }

        .nav-item i {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }

        .nav-item:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
        }

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

        .nav-item.active {
            background: rgba(255, 255, 255, 0.18);
            padding-left: 17px;
        }

        .nav-item.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 18px;
            background: var(--accent);
            border-radius: 0 3px 3px 0;
        }

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

        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .search-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.10);
            border: none;
            color: #fff;
            font-size: 17px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .search-btn:hover {
            background: rgba(255, 255, 255, 0.2);
            color: var(--accent);
        }

        .search-btn:focus-visible {
            outline: 2px solid rgba(240, 164, 58, 0.5);
            outline-offset: 2px;
        }

        .btn-amber {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            height: 48px;
            padding: 0 28px;
            border-radius: 8px;
            border: none;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            cursor: pointer;
            line-height: 48px;
        }

        .btn-amber:hover {
            background: var(--accent-hover);
            color: var(--primary-dark);
            box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.12);
            transform: translateY(-1px);
        }

        .btn-amber:active {
            transform: scale(0.98);
        }

        .btn-amber:focus-visible {
            outline: 2px solid rgba(240, 164, 58, 0.4);
            outline-offset: 2px;
        }

        .btn-amber.nav-cta {
            height: 40px;
            line-height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        .btn-outline-blue {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            font-weight: 600;
            height: 48px;
            padding: 0 28px;
            border-radius: 8px;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            cursor: pointer;
            line-height: 48px;
        }

        .btn-outline-blue:hover {
            background: rgba(47, 111, 159, 0.08);
            color: var(--primary);
        }

        .btn-outline-blue:active {
            transform: scale(0.98);
        }

        .btn-outline-blue:focus-visible {
            outline: 2px solid rgba(47, 111, 159, 0.4);
            outline-offset: 2px;
        }

        .btn-dark-blue {
            background: var(--primary-dark);
            color: #fff;
            font-weight: 600;
            height: 44px;
            padding: 0 22px;
            border-radius: 8px;
            border: none;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-dark-blue:hover {
            background: #1e4068;
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-dark-blue:active {
            transform: scale(0.98);
        }

        .btn-dark-blue:focus-visible {
            outline: 2px solid rgba(22, 50, 79, 0.4);
            outline-offset: 2px;
        }

        /* Hero */
        .hero {
            position: relative;
            background-color: var(--light-blue);
            padding: 64px 0 72px;
            overflow: hidden;
            margin-top: 12px;
            border-radius: 20px;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 2px solid rgba(47, 111, 159, 0.06);
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            border: 2px solid rgba(47, 111, 159, 0.06);
            pointer-events: none;
        }

        .hero-row {
            position: relative;
            z-index: 2;
            align-items: center;
        }

        .hero-content {
            padding-right: 30px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(47, 111, 159, 0.12);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .hero-sub {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-cta {
            display: flex;
            gap: 12px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .hero-trust {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero-trust span {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .hero-trust span i {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(47, 111, 159, 0.12);
            color: var(--primary);
            font-size: 11px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual .main-img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: 20px;
            box-shadow: var(--shadow-lg);
            display: block;
        }

        .hero-stat-card {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(22, 50, 79, 0.8);
            border-radius: 12px;
            padding: 16px 22px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: var(--shadow-md);
            backdrop-filter: none;
        }

        .hero-stat-card .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }

        .hero-stat-card .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.4;
        }

        /* 卖点三连 */
        .features-section {
            padding: 80px 0;
        }

        .feature-main-card {
            background: #fff;
            border-radius: 12px;
            padding: 32px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: var(--transition);
            border-top: 3px solid transparent;
            background-image: linear-gradient(#fff, #fff), linear-gradient(to right, var(--primary), var(--accent));
            background-origin: padding-box, border-box;
            background-clip: padding-box, border-box;
            border-top: 3px solid transparent;
            border-image: linear-gradient(to right, var(--primary), var(--accent)) 1;
            border-image-slice: 1;
            border-top-left-radius: 12px;
            border-top-right-radius: 12px;
        }

        .feature-main-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            border-radius: 12px 12px 0 0;
        }

        .feature-main-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .feature-icon-lg {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--light-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 20px;
        }

        .feature-main-card h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }

        .feature-main-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .feature-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            text-decoration: none;
        }

        .feature-link i {
            font-size: 13px;
            transition: transform 0.2s ease;
        }

        .feature-link:hover i {
            transform: translateX(3px);
        }

        .feature-sm-card {
            background: #fff;
            border-radius: 12px;
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }

        .feature-sm-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .feature-icon-sm {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--light-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            margin-bottom: 16px;
        }

        .feature-sm-card h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

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

        .feature-stack {
            display: flex;
            flex-direction: column;
            gap: 24px;
            height: 100%;
        }

        /* 场景演示 */
        .scenario-section {
            padding: 80px 0;
            background: #fff;
        }

        .scenario-row {
            align-items: center;
            margin-bottom: 60px;
        }

        .scenario-img-wrap {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
            height: 300px;
        }

        .scenario-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .scenario-text .scenario-tag {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.08em;
            color: var(--primary);
            background: var(--light-blue);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            font-weight: 600;
        }

        .scenario-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 14px;
            line-height: 1.35;
        }

        .scenario-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        /* 步骤 */
        .steps-wrap {
            display: flex;
            gap: 0;
            margin-top: 20px;
            position: relative;
        }

        .step-card {
            background: #fff;
            border-radius: 12px;
            padding: 20px;
            box-shadow: var(--shadow-sm);
            flex: 1;
            position: relative;
            text-align: left;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

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

        .step-card:not(:last-child)::after {
            content: '';
            position: absolute;
            right: -28px;
            top: 40px;
            width: 28px;
            border-top: 1px dashed #c2d4e4;
            z-index: 0;
        }

        .step-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 8px;
            line-height: 1;
        }

        .step-card h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 6px;
        }

        .step-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* 数据带 */
        .data-band {
            background: var(--primary-dark);
            border-radius: 16px;
            padding: 50px 40px;
            margin-top: 60px;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
        }

        .data-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: var(--primary-dark);
            opacity: 0.85;
            border-radius: 16px;
        }

        .data-band-inner {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 24px;
        }

        .data-item {
            text-align: center;
            padding: 10px 16px;
        }

        .data-item .number {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        .data-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-top: 6px;
        }

        /* 社会认同 */
        .testimonial-section {
            padding: 80px 0;
        }

        .trust-logos {
            display: flex;
            justify-content: space-around;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
            padding: 20px 0 40px;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .trust-logo {
            height: 36px;
            opacity: 0.45;
            font-size: 15px;
            color: var(--text-main);
            font-weight: 600;
            letter-spacing: 0.03em;
            white-space: nowrap;
            text-align: center;
            line-height: 36px;
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 30px;
        }

        .testimonial-card {
            background: #fff;
            border-radius: 12px;
            padding: 24px 28px;
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
        }

        .testimonial-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .testimonial-card .person {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 资讯动态 */
        .news-section {
            padding: 80px 0;
            background: var(--bg-page);
        }

        .news-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .news-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }

        .news-header p {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .view-all-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            text-decoration: none;
            padding: 8px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background: #fff;
            transition: var(--transition);
        }

        .view-all-link:hover {
            background: var(--light-blue);
            border-color: var(--primary);
        }

        .view-all-link i {
            font-size: 13px;
        }

        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .news-card {
            display: flex;
            gap: 16px;
            background: #fff;
            border-radius: 12px;
            padding: 16px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-decoration: none;
            position: relative;
            border: 1px solid var(--border-color);
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.03);
        }

        .news-thumb {
            width: 112px;
            height: 76px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--light-blue);
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .news-thumb .no-img {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            background: var(--light-blue);
        }

        .news-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .news-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: var(--transition);
        }

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

        .news-body p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.6;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: auto;
        }

        .news-cat {
            background: var(--light-blue);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
        }

        .news-arrow {
            position: absolute;
            top: 16px;
            right: 16px;
            color: var(--text-muted);
            font-size: 14px;
            opacity: 0;
            transition: var(--transition);
        }

        .news-card:hover .news-arrow {
            opacity: 1;
            color: var(--primary);
        }

        .news-empty {
            border: 2px dashed var(--border-color);
            border-radius: 12px;
            padding: 60px 20px;
            text-align: center;
            background: #fff;
        }

        .news-empty .empty-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--light-blue);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            margin-bottom: 10px;
        }

        .news-empty p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* FAQ */
        .faq-section {
            padding: 80px 0;
            background: #fff;
        }

        .faq-left {
            padding-right: 30px;
        }

        .faq-left h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }

        .faq-left p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .accordion-custom {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .accordion-item-custom {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .accordion-item-custom.active {
            border-left: 2px solid var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .accordion-header-custom {
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }

        .accordion-header-custom:hover {
            color: var(--primary);
        }

        .accordion-header-custom i {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }

        .accordion-item-custom.active .accordion-header-custom i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .accordion-body-custom {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            display: none;
        }

        .accordion-item-custom.active .accordion-body-custom {
            display: block;
        }

        /* CTA */
        .cta-section {
            padding: 60px 0;
        }

        .cta-banner {
            background: var(--light-blue);
            border-radius: 16px;
            padding: 48px 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
        }

        .cta-banner h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

        .cta-banner p {
            font-size: 15px;
            color: var(--text-secondary);
        }

        .cta-banner .btn-amber {
            min-width: 140px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary-dark);
            color: #fff;
            padding-top: 56px;
            padding-bottom: 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 0.8fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
        }

        .footer-brand .brand-text strong {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
        }

        .footer-brand .brand-text small {
            color: rgba(255, 255, 255, 0.6);
            font-size: 10px;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            max-width: 260px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.95);
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

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

        .footer-contact i {
            color: var(--accent);
            font-size: 14px;
            margin-top: 3px;
        }

        .footer-qr {
            width: 96px;
            height: 96px;
            background: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 10px;
            color: var(--text-muted);
            font-size: 13px;
            text-align: center;
            line-height: 1.4;
            padding: 8px;
        }

        .footer-qr-text {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }

        /* 底部固定条 */
        .fixed-cta {
            position: fixed;
            right: 16px;
            bottom: 16px;
            background: var(--primary-dark);
            border-radius: 14px;
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 14px;
            box-shadow: var(--shadow-lg);
            z-index: 1000;
            opacity: 0;
            transform: translateY(80px);
            visibility: hidden;
            transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        .fixed-cta .fc-text {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
        }

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

        .fixed-cta .btn-amber {
            height: 40px;
            line-height: 40px;
            padding: 0 20px;
            font-size: 14px;
            white-space: nowrap;
        }

        .fixed-cta-mobile {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--primary-dark);
            height: 56px;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            z-index: 1000;
            box-shadow: 0 -4px 20px rgba(22, 50, 79, 0.2);
        }

        .fixed-cta-mobile .fc-m-text {
            color: #fff;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .fixed-cta-mobile .fc-m-text i {
            color: var(--accent);
            font-size: 16px;
        }

        .fixed-cta-mobile .btn-amber {
            height: 40px;
            line-height: 40px;
            padding: 0 18px;
            font-size: 13px;
            white-space: nowrap;
        }

        body {
            padding-bottom: 0;
        }

        @media (max-width: 991.98px) {
            .hero {
                padding: 48px 0 56px;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-row {
                gap: 30px;
            }

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

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

            .feature-main-card {
                margin-bottom: 0;
                height: auto;
            }

            .feature-stack {
                margin-top: 24px;
                gap: 20px;
            }

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

            .scenario-row {
                margin-bottom: 40px;
            }

            .steps-wrap {
                flex-wrap: wrap;
                gap: 16px;
            }

            .step-card {
                flex: 1 1 calc(33.333% - 16px);
                min-width: 200px;
            }

            .step-card:not(:last-child)::after {
                display: none;
            }

            .data-band {
                padding: 36px 24px;
            }

            .data-item .number {
                font-size: 28px;
            }

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

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

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

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

            .faq-left {
                padding-right: 0;
                margin-bottom: 24px;
            }

            .cta-section {
                padding: 48px 0;
            }

            .cta-banner {
                padding: 36px 28px;
            }

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

            .site-footer {
                padding-top: 44px;
            }

            .nav-panel {
                flex-wrap: wrap;
                gap: 10px;
            }

            .nav-center {
                order: 3;
                flex-basis: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: 4px;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero {
                padding: 36px 0 40px;
                border-radius: 14px;
                margin-top: 8px;
            }

            .hero h1 {
                font-size: 28px;
            }

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

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

            .hero-cta .btn-amber,
            .hero-cta .btn-outline-blue {
                width: 100%;
            }

            .hero-trust {
                gap: 12px;
                flex-direction: column;
            }

            .hero-visual {
                margin-top: 16px;
            }

            .hero-visual .main-img {
                height: 220px;
            }

            .hero-stat-card {
                padding: 12px 16px;
                bottom: 12px;
                left: 12px;
            }

            .hero-stat-card .stat-number {
                font-size: 22px;
            }

            .hero-stat-card .stat-label {
                font-size: 12px;
            }

            .features-section,
            .scenario-section,
            .testimonial-section,
            .news-section,
            .faq-section,
            .cta-section {
                padding: 40px 0;
            }

            .section-title-wrap {
                margin-bottom: 24px;
            }

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

            .feature-main-card {
                padding: 24px;
            }

            .feature-main-card h3 {
                font-size: 20px;
            }

            .feature-sm-card {
                padding: 20px;
            }

            .scenario-img-wrap {
                height: 200px;
            }

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

            .steps-wrap {
                flex-direction: column;
            }

            .step-card {
                flex: 1 1 100%;
            }

            .data-band {
                padding: 28px 20px;
                flex-wrap: wrap;
            }

            .data-item .number {
                font-size: 24px;
            }

            .data-item .label {
                font-size: 13px;
            }

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

            .trust-logos {
                gap: 16px;
                padding: 10px 0 30px;
            }

            .trust-logo {
                font-size: 13px;
                height: 30px;
                line-height: 30px;
            }

            .news-card {
                padding: 12px;
                gap: 12px;
            }

            .news-thumb {
                width: 90px;
                height: 68px;
            }

            .news-body h3 {
                font-size: 15px;
            }

            .news-body p {
                font-size: 12px;
                -webkit-line-clamp: 2;
            }

            .news-arrow {
                display: none;
            }

            .news-header {
                flex-direction: column;
                align-items: flex-start;
            }

            .faq-left {
                margin-bottom: 20px;
            }

            .accordion-header-custom {
                padding: 14px 16px;
                font-size: 15px;
            }

            .accordion-body-custom {
                padding: 0 16px 14px;
                font-size: 13px;
            }

            .cta-banner {
                padding: 28px 20px;
                flex-direction: column;
                text-align: center;
            }

            .cta-banner h2 {
                font-size: 22px;
            }

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

            .site-footer {
                padding-top: 40px;
            }

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

            .fixed-cta {
                display: none;
            }

            .fixed-cta-mobile {
                display: flex;
            }

            body {
                padding-bottom: 56px;
            }

            .nav-panel {
                border-radius: 12px;
                padding: 8px 12px;
            }

            .brand-text strong {
                font-size: 16px;
            }

            .brand-text small {
                font-size: 9px;
            }

            .nav-item {
                padding: 7px 10px;
                font-size: 13px;
                gap: 4px;
            }

            .search-btn {
                width: 36px;
                height: 36px;
            }

            .btn-amber.nav-cta {
                height: 36px;
                line-height: 36px;
                padding: 0 14px;
                font-size: 13px;
            }

            .nav-center {
                gap: 6px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2F6F9F;
            --primary-dark: #16324F;
            --accent: #F0A43A;
            --accent-hover: #E19124;
            --light-blue: #E8F2F9;
            --bg: #F5F8FB;
            --text: #22303E;
            --text-muted: #6B7A89;
            --text-weak: #8B99A6;
            --border: #E3EAF0;
            --success: #27A66F;
            --warning: #E5A44A;
            --danger: #D9535E;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 10px rgba(22,50,79,0.06);
            --shadow-md: 0 8px 24px rgba(22,50,79,0.12);
            --shadow-lg: 0 12px 40px rgba(22,50,79,0.16);
            --font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-gap {
            padding: 80px 0;
        }

        @media (max-width: 991.98px) {
            .section-gap {
                padding: 56px 0;
            }
        }

        @media (max-width: 575.98px) {
            .section-gap {
                padding: 40px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== 导航 ========== */
        .site-header {
            padding-top: 12px;
            position: relative;
            z-index: 1000;
        }

        .nav-panel {
            background: var(--primary-dark);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            padding: 10px 16px;
            box-shadow: 0 8px 24px rgba(22, 50, 79, 0.18);
            gap: 16px;
        }

        .nav-left {
            flex-shrink: 0;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
        }

        .brand:hover {
            color: #fff;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary-dark);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-text strong {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
        }

        .brand-text small {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

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

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 40px;
            padding: 0 14px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.10);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            transition: background 0.2s ease;
            position: relative;
            white-space: nowrap;
        }

        .nav-item i {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            transition: color 0.2s ease;
        }

        .nav-item:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
        }

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

        .nav-item.active {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
        }

        .nav-item.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            border-radius: 2px;
            background: var(--accent);
        }

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

        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .search-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: none;
            background: rgba(255, 255, 255, 0.10);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: background 0.2s ease;
        }

        .search-btn:hover {
            background: rgba(255, 255, 255, 0.22);
            color: var(--accent);
        }

        .btn-amber {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 14px;
            height: 40px;
            padding: 0 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
            white-space: nowrap;
        }

        .btn-amber:hover {
            background: var(--accent-hover);
            color: var(--primary-dark);
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
        }

        .btn-amber:active {
            transform: scale(0.98);
        }

        @media (max-width: 767.98px) {
            .nav-panel {
                flex-wrap: wrap;
                padding: 10px 12px;
                gap: 10px;
            }
            .nav-center {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                gap: 8px;
                padding-bottom: 2px;
            }
            .nav-center::-webkit-scrollbar {
                display: none;
            }
            .nav-item {
                flex-shrink: 0;
                height: 36px;
                padding: 0 12px;
                font-size: 13px;
            }
            .brand-text strong {
                font-size: 16px;
            }
            .brand-text small {
                display: none;
            }
            .btn-amber.nav-cta {
                height: 36px;
                padding: 0 16px;
                font-size: 13px;
            }
            .search-btn {
                width: 36px;
                height: 36px;
            }
        }

        /* ========== 分类横幅 ========== */
        .cat-banner {
            position: relative;
            padding: 100px 0 80px;
            border-radius: 0 0 24px 24px;
            overflow: hidden;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            margin-top: 12px;
        }

        .cat-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(22, 50, 79, 0.88);
        }

        .cat-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cat-banner .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.20);
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .cat-banner h1 {
            font-size: 38px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .cat-banner .banner-sub {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.78);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .cat-banner .banner-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.2s ease;
            background: transparent;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 767.98px) {
            .cat-banner {
                padding: 64px 0 56px;
            }
            .cat-banner h1 {
                font-size: 30px;
            }
            .cat-banner .banner-sub {
                font-size: 15px;
            }
        }

        /* ========== 简介区 ========== */
        .cat-intro {
            padding: 64px 0 24px;
        }

        .cat-intro-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            max-width: 960px;
            margin: 0 auto;
            text-align: center;
        }

        .cat-intro-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 0;
        }

        @media (max-width: 767.98px) {
            .cat-intro {
                padding: 40px 0 16px;
            }
            .cat-intro-card {
                padding: 24px 20px;
            }
            .cat-intro-card p {
                font-size: 14px;
            }
        }

        /* ========== 核心服务卖点 ========== */
        .cat-features {
            padding: 48px 0 24px;
        }

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

        .cat-features .section-head .tag {
            display: inline-block;
            background: var(--light-blue);
            color: var(--primary);
            font-size: 12px;
            letter-spacing: 0.08em;
            padding: 4px 16px;
            border-radius: 999px;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .cat-features .section-head h2 {
            font-size: 30px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
        }

        .cat-features .section-head p {
            color: var(--text-muted);
            font-size: 15px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 24px;
        }

        .feature-main {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .feature-main::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .feature-main:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .feature-main .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--light-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 18px;
        }

        .feature-main h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
        }

        .feature-main p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .feature-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.2s ease, color 0.2s ease;
        }

        .feature-link:hover {
            gap: 8px;
            color: var(--accent-hover);
        }

        .feature-side {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .feature-sub {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            flex: 1;
        }

        .feature-sub:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .feature-sub .icon-wrap {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--light-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .feature-sub h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .feature-sub p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (max-width: 991.98px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .feature-side {
                flex-direction: column;
            }
        }

        /* ========== 内容卡片网格 ========== */
        .cat-covers {
            padding: 48px 0 24px;
        }

        .cat-covers .section-head {
            margin-bottom: 32px;
        }

        .cat-covers .section-head .tag {
            display: inline-block;
            background: var(--light-blue);
            color: var(--primary);
            font-size: 12px;
            letter-spacing: 0.08em;
            padding: 4px 16px;
            border-radius: 999px;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .cat-covers .section-head h2 {
            font-size: 30px;
            font-weight: 600;
            color: var(--text);
        }

        .cover-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .cover-card .cover-img {
            height: 180px;
            overflow: hidden;
            display: block;
        }

        .cover-card .cover-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .cover-card:hover .cover-img img {
            transform: scale(1.03);
        }

        .cover-card .cover-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .cover-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.45;
        }

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

        .cover-card .card-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.2s ease;
        }

        .cover-card .card-link:hover {
            gap: 8px;
            color: var(--accent-hover);
        }

        @media (max-width: 767.98px) {
            .cover-card .cover-img {
                height: 160px;
                object-fit: cover;
            }
        }

        /* ========== 服务流程 ========== */
        .cat-steps {
            padding: 56px 0;
            background: var(--light-blue);
        }

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

        .cat-steps .section-head h2 {
            font-size: 30px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .cat-steps .section-head p {
            color: var(--text-muted);
            font-size: 15px;
        }

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

        .steps-grid::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 15%;
            right: 15%;
            border-top: 1px dashed rgba(47, 111, 159, 0.35);
            z-index: 0;
        }

        .step-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            position: relative;
            z-index: 1;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            text-align: center;
        }

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

        .step-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            font-family: "Inter", "Roboto", sans-serif;
            line-height: 1;
            margin-bottom: 12px;
            display: block;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (max-width: 991.98px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid::before {
                display: none;
            }
        }

        @media (max-width: 575.98px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 数据统计带 ========== */
        .cat-stats {
            padding: 64px 0;
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        }

        .cat-stats::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(22, 50, 79, 0.92);
        }

        .cat-stats .container {
            position: relative;
            z-index: 2;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item .stat-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            font-family: "Inter", "Roboto", sans-serif;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            letter-spacing: 0.05em;
        }

        @media (max-width: 767.98px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-item .stat-num {
                font-size: 30px;
            }
        }

        /* ========== 适用场景 ========== */
        .cat-scene {
            padding: 64px 0 24px;
        }

        .scene-block {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 56px;
        }

        .scene-block .scene-media {
            flex: 0 0 42%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .scene-block .scene-media img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            display: block;
        }

        .scene-block .scene-content {
            flex: 1;
        }

        .scene-content .scene-tag {
            font-size: 12px;
            letter-spacing: 0.08em;
            color: var(--primary);
            font-weight: 600;
            text-transform: uppercase;
            display: inline-block;
            margin-bottom: 8px;
            background: var(--light-blue);
            padding: 4px 12px;
            border-radius: 999px;
        }

        .scene-content h2 {
            font-size: 28px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .scene-content p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        @media (max-width: 991.98px) {
            .scene-block {
                flex-direction: column;
                gap: 24px;
            }
            .scene-block .scene-media {
                flex: 0 0 auto;
                width: 100%;
            }
            .scene-block .scene-media img {
                height: 220px;
            }
        }

        /* ========== FAQ ========== */
        .cat-faq {
            padding: 48px 0 24px;
        }

        .cat-faq .section-head {
            margin-bottom: 32px;
        }

        .cat-faq .section-head h2 {
            font-size: 30px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .cat-faq .section-head p {
            color: var(--text-muted);
            font-size: 15px;
        }

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

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow 0.2s ease;
        }

        .faq-item.open {
            box-shadow: var(--shadow-md);
            border-left: 2px solid var(--primary);
        }

        .faq-question {
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background 0.2s ease;
        }

        .faq-question:hover {
            background: #fafcfd;
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--light-blue);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: transform 0.3s ease, background 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 22px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== CTA ========== */
        .cat-cta {
            padding: 56px 0 80px;
        }

        .cta-box {
            background: var(--light-blue);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            text-align: center;
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .cta-box h2 {
            font-size: 28px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
        }

        .cta-box p {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 15px;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
        }

        .btn-primary-custom:hover {
            background: var(--accent-hover);
            color: var(--primary-dark);
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
        }

        .btn-primary-custom:active {
            transform: scale(0.98);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--primary);
            background: transparent;
            color: var(--primary);
            font-weight: 500;
            font-size: 15px;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .btn-outline:hover {
            background: rgba(47, 111, 159, 0.08);
            color: var(--primary);
        }

        @media (max-width: 767.98px) {
            .cta-box {
                padding: 32px 20px;
            }
            .cta-box h2 {
                font-size: 24px;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--primary-dark);
            color: #fff;
            padding-top: 56px;
            padding-bottom: 24px;
        }

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

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary-dark);
        }

        .footer-brand .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .footer-brand .brand-text strong {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        .footer-brand .brand-text small {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-links,
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-contact li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact li i {
            color: var(--accent);
            font-size: 14px;
        }

        .footer-qr {
            width: 96px;
            height: 96px;
            background: #fff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .footer-qr-text {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
            }
        }

        /* ========== 按钮 focus ========== */
        .btn-amber:focus,
        .btn-primary-custom:focus,
        .btn-outline:focus,
        .btn-outline-light:focus,
        .search-btn:focus {
            outline: none;
            box-shadow: 0 0 0 2px rgba(47, 111, 159, 0.4);
        }

        /* ========== 底部安全距离 ========== */
        body::after {
            content: "";
            display: block;
            height: 0;
        }

        @media (max-width: 767.98px) {
            body {
                padding-bottom: 0;
            }
        }

/* roulang page: article */
:root {
    --primary: #2F6F9F;
    --primary-dark: #16324F;
    --primary-light: #E8F2F9;
    --accent: #F0A43A;
    --accent-hover: #E19124;
    --bg: #F5F8FB;
    --text: #22303E;
    --text-secondary: #6B7A89;
    --text-muted: #8B99A6;
    --border: #E3EAF0;
    --success: #27A66F;
    --warning: #E5A44A;
    --error: #D9535E;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 10px rgba(22,50,79,0.06);
    --shadow-md: 0 8px 24px rgba(22,50,79,0.12);
    --shadow-lg: 0 12px 40px rgba(22,50,79,0.16);
    --font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-en: Inter, Roboto, sans-serif;
}
* , *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-family);
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    vertical-align: middle;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: color .2s ease;
}
a:hover {
    color: var(--accent-hover);
}
a:focus-visible,
button:focus-visible {
    outline: 2px solid rgba(47,111,159,0.4);
    outline-offset: 2px;
}
.container {
    max-width: 1200px;
    padding-left: 24px;
    padding-right: 24px;
}

/* ===== Header / Nav ===== */
.site-header {
    padding: 12px 0 0;
    position: relative;
    z-index: 100;
}
.site-header .container {
    max-width: 1200px;
    padding-left: 16px;
    padding-right: 16px;
}
.nav-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--primary-dark);
    border-radius: var(--radius-lg);
    padding: 10px 16px;
    box-shadow: 0 8px 24px rgba(22,50,79,0.18);
    gap: 16px;
    min-height: 60px;
}
.nav-left {
    flex-shrink: 0;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #fff;
    border-radius: 8px;
    transition: opacity .2s;
}
.brand:hover {
    color: #fff;
    opacity: 0.9;
}
.brand-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--primary-dark);
    border-radius: 10px;
    font-size: 18px;
    flex-shrink: 0;
}
.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}
.brand-text strong {
    font-size: 18px;
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.01em;
    white-space: nowrap;
}
.brand-text small {
    font-size: 10px;
    color: rgba(255,255,255,0.6);
    white-space: nowrap;
}
.nav-center {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: center;
    min-width: 0;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    min-height: 40px;
    border-radius: 10px;
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    border-left: 3px solid transparent;
    transition: background .2s, color .2s, border-color .2s;
}
.nav-item i {
    font-size: 15px;
}
.nav-item:hover {
    background: rgba(255,255,255,0.18);
    color: #fff;
    border-left-color: rgba(240,164,58,0.5);
}
.nav-item.active {
    background: rgba(255,255,255,0.18);
    color: #fff;
    border-left: 3px solid var(--accent);
    padding-left: 11px;
}
.nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.search-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: none;
    background: rgba(255,255,255,0.10);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    transition: background .2s;
}
.search-btn:hover {
    background: rgba(255,255,255,0.18);
}
.search-btn:focus-visible {
    outline: 2px solid rgba(240,164,58,0.5);
    outline-offset: 2px;
}
.btn-amber {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 15px;
    height: 48px;
    padding: 0 28px;
    border-radius: 8px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: background .2s, transform .1s, box-shadow .2s;
    white-space: nowrap;
}
.btn-amber:hover {
    background: var(--accent-hover);
    color: var(--primary-dark);
    box-shadow: 0 1px 2px rgba(0,0,0,0.12);
}
.btn-amber:active {
    transform: scale(0.98);
}
.btn-amber:focus-visible {
    outline: 2px solid rgba(240,164,58,0.4);
    outline-offset: 2px;
}
.nav-cta {
    height: 40px;
    padding: 0 20px;
    font-size: 14px;
}

/* ===== Breadcrumb ===== */
.breadcrumb-wrap {
    padding: 32px 0 4px;
}
.breadcrumb-custom {
    font-size: 14px;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
}
.breadcrumb-custom a {
    color: var(--text-secondary);
    transition: color .2s;
}
.breadcrumb-custom a:hover {
    color: var(--primary);
}
.breadcrumb-custom .sep {
    margin: 0 4px;
    color: var(--text-muted);
}
.breadcrumb-custom .current {
    color: var(--text-secondary);
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ===== Article Main ===== */
.article-wrap {
    padding: 20px 0 80px;
}
.article-inner {
    max-width: 1080px;
    margin: 0 auto;
}
.article-header {
    max-width: 900px;
    margin: 0 auto 32px;
    text-align: center;
}
.article-header h1 {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
    margin-bottom: 20px;
    letter-spacing: 0.01em;
}
.article-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px 24px;
    font-size: 14px;
    color: var(--text-secondary);
}
.article-meta .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.article-meta .meta-item i {
    color: var(--primary);
    font-size: 15px;
}
.article-meta .meta-divider {
    color: var(--border);
}
.article-cover {
    max-width: 900px;
    margin: 0 auto 40px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: var(--primary-light);
}
.article-cover img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
}

/* ===== Article Body ===== */
.article-body {
    max-width: 780px;
    margin: 0 auto;
    font-size: 17px;
    line-height: 1.85;
    color: var(--text);
}
.article-body h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary-dark);
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    margin: 44px 0 16px;
    line-height: 1.3;
}
.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin: 30px 0 12px;
}
.article-body h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    margin: 24px 0 10px;
}
.article-body p {
    margin: 0 0 16px;
}
.article-body blockquote {
    margin: 24px 0;
    padding: 20px 24px;
    background: var(--primary-light);
    border-left: 4px solid var(--primary);
    border-radius: 8px;
    font-size: 16px;
    color: var(--text-secondary);
}
.article-body blockquote p {
    margin: 0;
}
.article-body img {
    max-width: 100%;
    border-radius: var(--radius-md);
    margin: 16px 0;
}
.article-body ul,
.article-body ol {
    margin: 0 0 16px;
    padding-left: 1.5em;
}
.article-body li {
    margin-bottom: 8px;
}
.article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-body a:hover {
    color: var(--accent-hover);
}
.article-body .data-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 20px 24px;
    font-size: 14px;
    line-height: 1.7;
    box-shadow: var(--shadow-sm);
    margin: 24px 0;
    color: var(--text-secondary);
}
.article-body .data-card code,
.article-body .data-card kbd {
    font-family: "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;
    background: var(--primary-light);
    border-radius: 4px;
    padding: 2px 6px;
    color: var(--primary-dark);
}
.article-body hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 32px 0;
}

/* ===== Article Tags ===== */
.article-tags {
    max-width: 780px;
    margin: 40px auto 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.post-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    transition: background .2s;
}
.post-tag:hover {
    background: #d8e8f4;
}

/* ===== Article Pager ===== */
.article-pager {
    max-width: 780px;
    margin: 40px auto 0;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    gap: 24px;
}
.pager-item {
    font-size: 15px;
    color: var(--primary);
    text-decoration: none;
    max-width: 48%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color .2s;
}
.pager-item .pager-label {
    color: var(--text-muted);
    margin-right: 6px;
}
.pager-item:hover {
    color: var(--accent-hover);
}
.pager-item.pager-next {
    text-align: right;
}

/* ===== Related Section ===== */
.related-section {
    padding: 64px 0 80px;
    background: var(--bg);
    border-top: 1px solid var(--border);
}
.section-head {
    margin-bottom: 32px;
}
.section-head h2 {
    font-size: 28px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}
.section-head .section-sub {
    color: var(--text-muted);
    font-size: 14px;
}
.related-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform .25s ease, box-shadow .25s ease;
    height: 100%;
    display: block;
    color: var(--text);
    text-decoration: none;
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    color: var(--text);
}
.related-card .card-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}
.related-card:hover .card-img {
    transform: scale(1.02);
}
.related-card .card-body {
    padding: 18px 20px 22px;
}
.related-card .card-body h3 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    margin: 0 0 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 48px;
}
.related-card .card-body time {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}
.related-card .card-body time i {
    font-size: 14px;
}
.related-more {
    text-align: center;
    margin-top: 40px;
}
.btn-outline-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 44px;
    padding: 0 24px;
    border: 1.5px solid var(--primary);
    border-radius: 8px;
    color: var(--primary);
    background: transparent;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background .2s, border-color .2s;
}
.btn-outline-primary:hover {
    background: rgba(47,111,159,0.08);
    border-color: var(--primary);
    color: var(--primary);
}
.btn-outline-primary:focus-visible {
    outline: 2px solid rgba(47,111,159,0.4);
    outline-offset: 2px;
}

/* ===== Not Found ===== */
.not-found-wrap {
    padding: 60px 24px;
    text-align: center;
}
.not-found-card {
    max-width: 520px;
    margin: 0 auto;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}
.not-found-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary);
}
.not-found-card h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}
.not-found-card p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 24px;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.85);
    padding: 56px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}
.footer-brand .brand-icon {
    width: 40px;
    height: 40px;
}
.footer-brand .brand-text strong {
    font-size: 18px;
    color: #fff;
}
.footer-brand .brand-text small {
    font-size: 10px;
    color: rgba(255,255,255,0.6);
}
.footer-desc {
    font-size: 13px;
    line-height: 1.7;
    color: rgba(255,255,255,0.65);
    max-width: 280px;
}
.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links a {
    color: rgba(255,255,255,0.65);
    font-size: 14px;
    text-decoration: none;
    transition: color .2s;
}
.footer-links a:hover {
    color: var(--accent);
}
.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 14px;
    color: rgba(255,255,255,0.65);
}
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.footer-contact i {
    color: var(--accent);
    font-size: 14px;
    line-height: 1.6;
    margin-top: 2px;
}
.footer-qr {
    width: 96px;
    height: 96px;
    background: #fff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.4;
    margin-bottom: 10px;
}
.footer-qr-text {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.12);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
    color: rgba(255,255,255,0.45);
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .nav-panel {
        gap: 12px;
    }
    .nav-center {
        justify-content: flex-start;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    .nav-center::-webkit-scrollbar {
        display: none;
    }
    .article-header h1 {
        font-size: 30px;
    }
}
@media (max-width: 767px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    .site-header {
        padding-top: 8px;
    }
    .nav-panel {
        padding: 8px 12px;
        border-radius: 14px;
        gap: 8px;
        flex-wrap: wrap;
    }
    .nav-left {
        flex: 1;
    }
    .brand-text strong {
        font-size: 16px;
    }
    .brand-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    .nav-center {
        order: 3;
        width: 100%;
        flex-basis: 100%;
        margin-top: 4px;
    }
    .nav-right {
        gap: 6px;
    }
    .nav-cta {
        height: 36px;
        padding: 0 14px;
        font-size: 13px;
    }
    .search-btn {
        width: 36px;
        height: 36px;
    }
    .breadcrumb-wrap {
        padding: 24px 0 4px;
    }
    .breadcrumb-custom {
        font-size: 13px;
    }
    .breadcrumb-custom .current {
        max-width: 180px;
    }
    .article-wrap {
        padding: 16px 0 60px;
    }
    .article-header {
        text-align: left;
        margin-bottom: 24px;
    }
    .article-header h1 {
        font-size: 28px;
        line-height: 1.35;
    }
    .article-meta {
        justify-content: flex-start;
        gap: 8px 16px;
        font-size: 13px;
    }
    .article-cover {
        margin-bottom: 32px;
        border-radius: 14px;
    }
    .article-body {
        font-size: 16px;
        line-height: 1.8;
    }
    .article-body h2 {
        font-size: 22px;
    }
    .article-body h3 {
        font-size: 18px;
    }
    .article-tags {
        gap: 8px;
    }
    .article-pager {
        flex-direction: column;
        gap: 12px;
    }
    .pager-item {
        max-width: 100%;
    }
    .pager-item.pager-next {
        text-align: left;
    }
    .related-section {
        padding: 48px 0 60px;
    }
    .section-head h2 {
        font-size: 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .not-found-card {
        padding: 32px 24px;
    }
}
@media (max-width: 520px) {
    .brand-text small {
        font-size: 9px;
    }
    .brand-text strong {
        font-size: 15px;
    }
    .nav-cta {
        padding: 0 12px;
    }
    .nav-item {
        padding: 8px 10px;
        font-size: 13px;
    }
    .article-header h1 {
        font-size: 24px;
    }
    .article-meta {
        flex-wrap: wrap;
    }
}