/* roulang page: index */
:root {
            --primary: #0F6FDE;
            --primary-hover: #0B5ED7;
            --primary-light: #EAF2FC;
            --bg-cool: #F7F9FC;
            --card-white: #FFFFFF;
            --text-main: #17233D;
            --text-sub: #55627A;
            --border: #DCE4EF;
            --border-light: #E4EAF3;
            --success: #12B76A;
            --warning: #F5A524;
            --danger: #E5484D;
            --footer-dark: #0D2B52;
            --radius-card: 14px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 24px rgba(23,35,61,0.08);
            --shadow-card-hover: 0 12px 32px rgba(23,35,61,0.14);
            --transition: all 0.25s ease;
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-en: 'Inter', 'Roboto', 'Arial', sans-serif;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-cn);
            color: var(--text-main);
            background-color: var(--bg-cool);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }

        a:focus,
        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section {
            padding: 5rem 0;
        }

        .section-sm {
            padding: 3rem 0;
        }

        .section-title-area {
            margin-bottom: 2.5rem;
        }

        .section-title-area .tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.5rem 1.1rem;
            border-radius: 2rem;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
        }

        .section-title-area h2 {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 0.75rem;
        }

        .section-title-area .subtitle {
            font-size: 1rem;
            color: var(--text-sub);
            line-height: 1.75;
            max-width: 680px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--card-white);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(23,35,61,0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .nav-side {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex: 1;
        }

        .nav-side.right {
            justify-content: flex-end;
        }

        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 0.5rem 0.85rem;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
            text-decoration: none;
        }

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

        .logo-center {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .logo-center .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-size: 0.9rem;
        }

        .logo-center span {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--primary);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.55rem 1.2rem;
            border-radius: 10px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--primary-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 0.25rem;
        }

        .mobile-menu {
            display: none;
            background: var(--card-white);
            border-bottom: 1px solid var(--border-light);
            padding: 1rem 1.5rem 1.5rem;
            flex-direction: column;
            gap: 0.25rem;
        }

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

        .mobile-menu .nav-link {
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border-light);
            border-radius: 0;
        }

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

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.95rem;
            font-weight: 600;
            padding: 0.7rem 1.6rem;
            border-radius: 10px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            font-family: var(--font-cn);
        }

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

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-2px);
            text-decoration: none;
        }

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

        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary-light);
            color: var(--primary);
            text-decoration: none;
        }

        .btn-ghost {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255,255,255,0.5);
        }

        .btn-ghost:hover {
            background: rgba(255,255,255,0.15);
            color: #fff;
            text-decoration: none;
        }

        .btn-lg {
            font-size: 1.05rem;
            padding: 0.85rem 2rem;
        }

        .btn-sm {
            font-size: 0.85rem;
            padding: 0.5rem 1.1rem;
        }

        /* Hero — 优惠券墙入口 */
        .hero-section {
            position: relative;
            background: var(--primary-light);
            padding: 4.5rem 0 5rem;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-left .hero-badge {
            display: inline-block;
            background: rgba(255,255,255,0.85);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.45rem 1rem;
            border-radius: 2rem;
            margin-bottom: 1.25rem;
            backdrop-filter: blur(4px);
            border: 1px solid var(--border-light);
        }

        .hero-left h1 {
            font-size: 2.1rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 1.25rem;
        }

        .hero-left .hero-desc {
            font-size: 1rem;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 1.75rem;
            max-width: 520px;
        }

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

        .hero-trust-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            font-size: 0.85rem;
            color: var(--text-sub);
        }

        .hero-trust-strip i {
            color: var(--success);
            margin-right: 0.3rem;
        }

        /* 主券面 */
        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .main-voucher {
            background: var(--card-white);
            border-radius: 18px;
            padding: 1.5rem 1.75rem;
            box-shadow: 0 12px 36px rgba(23,35,61,0.1);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
            cursor: pointer;
            transition: var(--transition);
        }

        .main-voucher::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: var(--primary);
        }

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

        .voucher-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.75rem;
            border-radius: 4px;
            letter-spacing: 0.03em;
            margin-bottom: 0.75rem;
            text-transform: uppercase;
        }

        .main-voucher h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.5rem;
        }

        .main-voucher .voucher-desc {
            font-size: 0.9rem;
            color: var(--text-sub);
            margin-bottom: 1rem;
            line-height: 1.6;
        }

        .voucher-meta {
            display: flex;
            gap: 1.25rem;
            font-size: 0.78rem;
            color: var(--text-sub);
            flex-wrap: wrap;
        }

        .voucher-meta span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .voucher-meta i {
            color: var(--primary);
        }

        .voucher-cta-row {
            margin-top: 1.25rem;
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .voucher-sub-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
        }

        .mini-voucher {
            background: var(--card-white);
            border-radius: 12px;
            padding: 1rem 1.1rem;
            border: 1px solid var(--border-light);
            box-shadow: 0 4px 12px rgba(23,35,61,0.06);
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }

        .mini-voucher:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
        }

        .mini-voucher .mv-icon {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        .mini-voucher .mv-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 0.25rem;
        }

        .mini-voucher .mv-desc {
            font-size: 0.75rem;
            color: var(--text-sub);
            line-height: 1.5;
        }

        /* 指标看板 */
        .metrics-strip {
            background: var(--card-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            padding: 1.25rem 0;
        }

        .metrics-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
        }

        .metric-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.85rem;
            color: var(--text-sub);
        }

        .metric-item .metric-num {
            font-size: 1.75rem;
            font-weight: 700;
            font-family: var(--font-en);
            color: var(--text-main);
            line-height: 1;
        }

        .metric-item .metric-label {
            font-size: 0.75rem;
            color: var(--text-sub);
        }

        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.6rem;
            border-radius: 2rem;
        }

        .metric-trend.up {
            color: var(--success);
            background: rgba(18,183,106,0.1);
        }

        .metric-trend.down {
            color: var(--danger);
            background: rgba(229,72,77,0.1);
        }

        /* 客户案例 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .testimonial-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            padding: 1.5rem 1.5rem 1.25rem;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            position: relative;
        }

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

        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 0.75rem;
            right: 1.25rem;
            font-size: 3rem;
            color: var(--primary-light);
            font-family: serif;
            line-height: 1;
        }

        .testimonial-card .quote {
            font-size: 0.92rem;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }

        .testimonial-card .reviewer {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            border-top: 1px solid var(--border-light);
            padding-top: 0.9rem;
        }

        .reviewer-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .reviewer-info .name {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-main);
        }

        .reviewer-info .label {
            font-size: 0.75rem;
            color: var(--text-sub);
        }

        /* 结果数据 */
        .result-data-section {
            background: var(--card-white);
        }

        .data-highlight-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
        }

        .data-card-large {
            background: var(--bg-cool);
            border-radius: var(--radius-card);
            padding: 1.75rem;
            border: 1px solid var(--border-light);
        }

        .data-card-large h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 1rem;
        }

        .data-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border-light);
        }

        .data-row:last-child {
            border-bottom: none;
        }

        .data-row .dr-label {
            font-size: 0.9rem;
            color: var(--text-sub);
        }

        .data-row .dr-value {
            font-size: 1.1rem;
            font-weight: 700;
            font-family: var(--font-en);
            color: var(--text-main);
        }

        .data-row .dr-value.positive {
            color: var(--success);
        }

        .data-row .dr-value.warning {
            color: var(--warning);
        }

        .data-card-side {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .side-stat-card {
            background: var(--primary-light);
            border-radius: var(--radius-card);
            padding: 1.25rem 1.5rem;
            border: 1px solid var(--border-light);
            flex: 1;
        }

        .side-stat-card .ss-num {
            font-size: 2.5rem;
            font-weight: 700;
            font-family: var(--font-en);
            color: var(--primary);
            line-height: 1.2;
        }

        .side-stat-card .ss-label {
            font-size: 0.85rem;
            color: var(--text-sub);
            margin-top: 0.3rem;
        }

        /* 前后对比 */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .compare-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            padding: 1.5rem 1.75rem;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

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

        .compare-card.before {
            border-left: 4px solid #B0B8C8;
        }

        .compare-card.after {
            border-left: 4px solid var(--success);
        }

        .compare-card .compare-tag {
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 0.75rem;
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: 4px;
        }

        .compare-card.before .compare-tag {
            background: #EFF2F6;
            color: #55627A;
        }

        .compare-card.after .compare-tag {
            background: rgba(18,183,106,0.1);
            color: var(--success);
        }

        .compare-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .compare-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.6rem 0;
            border-bottom: 1px dashed var(--border-light);
        }

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

        .compare-item .ci-label {
            font-size: 0.88rem;
            color: var(--text-sub);
        }

        .compare-item .ci-value {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
            font-family: var(--font-en);
        }

        .compare-item .ci-value.better {
            color: var(--success);
        }

        .compare-item .ci-value.worse {
            color: var(--danger);
        }

        /* 资讯动态 */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .news-item {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            background: var(--card-white);
            border-radius: 12px;
            padding: 1rem 1.25rem;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            cursor: pointer;
        }

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

        .news-item .news-date {
            font-size: 0.8rem;
            color: var(--text-sub);
            font-family: var(--font-en);
            flex-shrink: 0;
            padding-top: 0.1rem;
            min-width: 72px;
        }

        .news-item .news-content {
            flex: 1;
        }

        .news-item .news-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 0.3rem;
        }

        .news-item .news-summary {
            font-size: 0.85rem;
            color: var(--text-sub);
            line-height: 1.6;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .news-side-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            padding: 1.25rem 1.5rem;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
        }

        .news-side-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .news-side-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .news-side-card ul li {
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.85rem;
            color: var(--text-sub);
        }

        .news-side-card ul li:last-child {
            border-bottom: none;
        }

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

        .faq-item {
            background: var(--card-white);
            border-radius: 12px;
            margin-bottom: 0.75rem;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.25rem;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
            user-select: none;
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
            font-family: var(--font-cn);
        }

        .faq-question i {
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            font-size: 0.9rem;
            color: var(--text-sub);
            line-height: 1.75;
            padding: 0 1.25rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.25rem 1.25rem;
        }

        /* 品牌介绍 */
        .brand-section {
            background: var(--footer-dark);
            color: rgba(255,255,255,0.85);
            padding: 4rem 0;
        }

        .brand-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }

        .brand-text h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }

        .brand-text p {
            font-size: 0.95rem;
            line-height: 1.8;
            color: rgba(255,255,255,0.75);
        }

        .partner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }

        .partner-tag {
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 10px;
            padding: 0.6rem 1rem;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.85);
            text-align: center;
            transition: var(--transition);
            min-width: 100px;
        }

        .partner-tag:hover {
            background: rgba(255,255,255,0.15);
            border-color: rgba(255,255,255,0.35);
        }

        .partner-tag .pt-name {
            font-weight: 600;
            font-size: 0.85rem;
            display: block;
        }

        .partner-tag .pt-desc {
            font-size: 0.75rem;
            opacity: 0.7;
            display: block;
            margin-top: 0.2rem;
        }

        /* 表单区域 */
        .contact-section {
            background: var(--bg-cool);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 2.5rem;
            align-items: start;
        }

        .contact-info h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .contact-info p {
            font-size: 0.95rem;
            color: var(--text-sub);
            margin-bottom: 1.25rem;
            line-height: 1.7;
        }

        .contact-points {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .contact-points li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            margin-bottom: 0.85rem;
            font-size: 0.9rem;
            color: var(--text-sub);
        }

        .contact-points li i {
            color: var(--success);
            margin-top: 0.2rem;
            flex-shrink: 0;
        }

        .contact-form-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            padding: 2rem;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
        }

        .form-group {
            margin-bottom: 1.25rem;
        }

        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 0.45rem;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border);
            border-radius: 10px;
            font-size: 0.9rem;
            font-family: var(--font-cn);
            color: var(--text-main);
            background: #fff;
            transition: var(--transition);
            -webkit-appearance: none;
            appearance: none;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15,111,222,0.15);
            outline: none;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        .form-error {
            color: var(--danger);
            font-size: 0.78rem;
            margin-top: 0.35rem;
            display: none;
        }

        .form-group.error input,
        .form-group.error select,
        .form-group.error textarea {
            border-color: var(--danger);
        }

        .form-group.error .form-error {
            display: block;
        }

        /* Footer */
        .site-footer {
            background: var(--footer-dark);
            color: rgba(255,255,255,0.7);
            padding: 3rem 0 2rem;
            font-size: 0.85rem;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand .logo-center {
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .footer-brand .logo-center span {
            color: #fff;
        }

        .footer-brand p {
            font-size: 0.82rem;
            color: rgba(255,255,255,0.6);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.75rem;
        }

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

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: rgba(255,255,255,0.65);
            font-size: 0.82rem;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.78rem;
            color: rgba(255,255,255,0.55);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.55);
            text-decoration: none;
        }

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

        .back-to-top {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            color: rgba(255,255,255,0.7);
            font-size: 0.8rem;
            cursor: pointer;
            text-decoration: none;
            transition: var(--transition);
        }

        .back-to-top:hover {
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .contact-grid {
                grid-template-columns: 1fr;
            }
            .brand-inner {
                grid-template-columns: 1fr;
            }
            .data-highlight-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-side {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-inner {
                justify-content: space-between;
            }
            .logo-center {
                font-size: 1.1rem;
            }
            .logo-center span {
                font-size: 1.1rem;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .voucher-sub-grid {
                grid-template-columns: 1fr;
            }
            .metrics-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .metric-item {
                width: 100%;
                justify-content: space-between;
            }
            .section {
                padding: 3rem 0;
            }
            .hero-section {
                padding: 3rem 0 3.5rem;
            }
            .hero-left h1 {
                font-size: 1.5rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .container {
                padding: 0 1.1rem;
            }
            .contact-form-card {
                padding: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .hero-left h1 {
                font-size: 1.3rem;
            }
            .voucher-meta {
                flex-direction: column;
                gap: 0.4rem;
            }
            .btn-lg {
                font-size: 0.9rem;
                padding: 0.7rem 1.4rem;
            }
            .news-item {
                flex-direction: column;
                gap: 0.4rem;
            }
            .news-item .news-date {
                min-width: auto;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0F6FDE;
            --primary-hover: #0B5ED7;
            --primary-light: #EAF2FC;
            --bg-cool: #F7F9FC;
            --card-white: #FFFFFF;
            --text-main: #17233D;
            --text-sub: #55627A;
            --border: #DCE4EF;
            --border-light: #E4EAF3;
            --success: #12B76A;
            --warning: #F5A524;
            --danger: #E5484D;
            --footer-dark: #0D2B52;
            --radius-card: 14px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 24px rgba(23,35,61,0.08);
            --shadow-card-hover: 0 12px 32px rgba(23,35,61,0.14);
            --transition: all 0.25s ease;
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-en: 'Inter', 'Roboto', 'Arial', sans-serif;
        }
        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            color: var(--text-main);
            background-color: var(--bg-cool);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }
        a:focus,
        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .section {
            padding: 5rem 0;
        }
        .section-sm {
            padding: 3rem 0;
        }
        .section-title-area {
            margin-bottom: 2.5rem;
        }
        .section-title-area .tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.5rem 1.1rem;
            border-radius: 2rem;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
        }
        .section-title-area h2 {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 0.75rem;
        }
        .section-title-area .subtitle {
            font-size: 1rem;
            color: var(--text-sub);
            line-height: 1.75;
            max-width: 680px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--card-white);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(23,35,61,0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .nav-side {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex: 1;
        }
        .nav-side.right {
            justify-content: flex-end;
        }
        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 0.5rem 0.85rem;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
            text-decoration: none;
        }
        .nav-link.active {
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .logo-center {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .logo-center .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-size: 0.9rem;
        }
        .logo-center span {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--primary);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.55rem 1.2rem;
            border-radius: 10px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 0.25rem;
        }
        .mobile-menu {
            display: none;
            background: var(--card-white);
            border-bottom: 1px solid var(--border-light);
            padding: 1rem 1.5rem 1.5rem;
            flex-direction: column;
            gap: 0.25rem;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border-light);
            border-radius: 0;
        }
        .mobile-menu .nav-link:last-child {
            border-bottom: none;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--card-white);
            border-bottom: 1px solid var(--border-light);
            padding: 0.75rem 0;
        }
        .breadcrumb-bar .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-sub);
            flex-wrap: wrap;
        }
        .breadcrumb-bar .breadcrumb-inner a {
            color: var(--primary);
        }
        .breadcrumb-bar .breadcrumb-inner a:hover {
            text-decoration: underline;
        }
        .breadcrumb-bar .breadcrumb-inner .separator {
            color: var(--border);
        }

        /* Page Hero */
        .page-hero {
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            position: relative;
            padding: 4.5rem 0 3.5rem;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(234,242,252,0.94) 0%, rgba(247,249,252,0.86) 55%, rgba(234,242,252,0.92) 100%);
            z-index: 0;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero .hero-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            letter-spacing: 0.03em;
            margin-bottom: 1.25rem;
        }
        .page-hero h1 {
            font-size: 2.25rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 1rem;
            max-width: 720px;
        }
        .page-hero .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-sub);
            line-height: 1.75;
            max-width: 620px;
            margin-bottom: 1.5rem;
        }
        .hero-meta-row {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-top: 0.5rem;
        }
        .hero-meta-row .meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-sub);
            background: rgba(255,255,255,0.7);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            border: 1px solid var(--border-light);
        }
        .hero-meta-row .meta-item i {
            color: var(--primary);
        }

        /* Service Cards Section */
        .service-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .service-card {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .service-card .card-cover {
            position: relative;
            overflow: hidden;
            height: 200px;
            background: var(--primary-light);
        }
        .service-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .service-card:hover .card-cover img {
            transform: scale(1.04);
        }
        .service-card .card-cover .cover-badge {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.35rem 0.9rem;
            border-radius: 1.5rem;
            letter-spacing: 0.03em;
        }
        .service-card .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card .card-number {
            font-family: var(--font-en);
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.08em;
            margin-bottom: 0.5rem;
        }
        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 0.75rem;
        }
        .service-card .card-desc {
            font-size: 0.93rem;
            color: var(--text-sub);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 1rem;
        }
        .service-card .card-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .service-card .metric-chip {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.35rem 0.8rem;
            border-radius: 1.5rem;
        }
        .service-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }
        .service-card .card-link i {
            transition: transform 0.25s ease;
        }
        .service-card .card-link:hover i {
            transform: translateX(4px);
        }
        .service-card.small .card-cover {
            height: 140px;
        }

        /* Horizontal data bar */
        .data-strip {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 1.5rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .data-strip .strip-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .data-strip .strip-item .strip-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .data-strip .strip-item .strip-text .strip-value {
            font-family: var(--font-en);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.2;
        }
        .data-strip .strip-item .strip-text .strip-label {
            font-size: 0.8rem;
            color: var(--text-sub);
        }
        .data-strip .strip-status {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--success);
        }
        .data-strip .strip-status .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* Timeline */
        .timeline-section {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 2.5rem;
        }
        .timeline {
            position: relative;
            padding-left: 2rem;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--primary-light);
        }
        .timeline-item {
            position: relative;
            padding-bottom: 2rem;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2rem;
            top: 0.4rem;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--primary-light);
        }
        .timeline-item .timeline-step {
            font-family: var(--font-en);
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.06em;
            margin-bottom: 0.25rem;
        }
        .timeline-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 0.5rem;
        }
        .timeline-item p {
            font-size: 0.9rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Quick Compare */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .compare-card {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            text-align: center;
            transition: var(--transition);
        }
        .compare-card.featured {
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-card);
        }
        .compare-card .compare-type {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.04em;
            margin-bottom: 0.75rem;
            text-transform: uppercase;
        }
        .compare-card .compare-value {
            font-family: var(--font-en);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.5rem;
        }
        .compare-card .compare-label {
            font-size: 0.85rem;
            color: var(--text-sub);
            margin-bottom: 1rem;
        }
        .compare-card .compare-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: 1rem;
        }
        .compare-tag.green {
            background: #E6F6EF;
            color: var(--success);
        }
        .compare-tag.blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .compare-tag.orange {
            background: #FFF3E0;
            color: var(--warning);
        }

        /* Form Section */
        .form-section {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 2.5rem;
        }
        .form-section .form-left h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.75rem;
        }
        .form-section .form-left p {
            font-size: 0.95rem;
            color: var(--text-sub);
            margin-bottom: 1.25rem;
        }
        .form-trust-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .form-trust-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            font-size: 0.9rem;
            color: var(--text-sub);
            margin-bottom: 0.7rem;
        }
        .form-trust-list li i {
            color: var(--success);
            margin-top: 0.2rem;
        }
        .form-control {
            width: 100%;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 0.7rem 1rem;
            font-size: 0.95rem;
            font-family: var(--font-cn);
            color: var(--text-main);
            transition: var(--transition);
            margin-bottom: 1rem;
            box-sizing: border-box;
        }
        .form-control:focus {
            border-color: var(--primary);
            outline: 2px solid var(--primary);
            outline-offset: 0;
        }
        .form-control.error {
            border-color: var(--danger);
            outline-color: var(--danger);
        }
        .form-label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 0.35rem;
        }
        .submit-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--primary);
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            width: 100%;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            color: #fff;
        }
        .submit-btn:active {
            transform: scale(0.98);
        }
        .form-error-text {
            font-size: 0.8rem;
            color: var(--danger);
            margin-bottom: 0.5rem;
            display: none;
        }
        .form-error-text.visible {
            display: block;
        }
        .form-success {
            background: #E6F6EF;
            color: var(--success);
            padding: 1rem 1.25rem;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 600;
            display: none;
            margin-bottom: 1rem;
        }
        .form-success.visible {
            display: block;
        }

        /* CTA Band */
        .cta-band {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 2.5rem 3rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .cta-band .cta-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .cta-band .cta-text p {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 0;
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #fff;
            color: var(--primary);
            font-size: 0.95rem;
            font-weight: 600;
            padding: 0.7rem 1.5rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-white:hover {
            background: var(--primary-light);
            color: var(--primary);
            text-decoration: none;
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--footer-dark);
            color: rgba(255,255,255,0.75);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-brand p {
            font-size: 0.875rem;
            color: rgba(255,255,255,0.65);
            margin-top: 1rem;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 0.875rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
            padding-top: 1.5rem;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.55);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.7);
            font-size: 0.8rem;
        }
        .footer-bottom a:hover {
            color: #fff;
            text-decoration: none;
        }
        .back-to-top {
            color: rgba(255,255,255,0.75);
        }
        .back-to-top:hover {
            color: #fff;
        }

        /* Responsive */
        @media screen and (max-width: 1023px) {
            .nav-side {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-inner {
                justify-content: space-between;
                height: 60px;
            }
            .logo-center {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
            }
            .service-grid {
                grid-template-columns: 1fr 1fr;
            }
            .service-card.large {
                grid-column: span 2;
            }
            .compare-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-strip {
                flex-direction: column;
                text-align: center;
            }
            .data-strip .strip-item {
                flex-direction: column;
                align-items: center;
            }
        }
        @media screen and (max-width: 640px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
            .service-card.large {
                grid-column: span 1;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .timeline-section {
                padding: 1.5rem;
            }
            .form-section {
                padding: 1.5rem;
            }
            .cta-band {
                padding: 2rem 1.5rem;
                flex-direction: column;
                text-align: center;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .page-hero {
                padding: 3rem 0 2.5rem;
            }
            .page-hero h1 {
                font-size: 1.75rem;
            }
            .hero-meta-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .breadcrumb-bar .breadcrumb-inner {
                font-size: 0.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0F6FDE;
            --primary-hover: #0B5ED7;
            --primary-light: #EAF2FC;
            --bg-cool: #F7F9FC;
            --card-white: #FFFFFF;
            --text-main: #17233D;
            --text-sub: #55627A;
            --border: #DCE4EF;
            --border-light: #E4EAF3;
            --success: #12B76A;
            --warning: #F5A524;
            --danger: #E5484D;
            --footer-dark: #0D2B52;
            --radius-card: 14px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 24px rgba(23,35,61,0.08);
            --shadow-card-hover: 0 12px 32px rgba(23,35,61,0.14);
            --transition: all 0.25s ease;
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-en: 'Inter', 'Roboto', 'Arial', sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            color: var(--text-main);
            background-color: var(--bg-cool);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }
        a:focus,
        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .section {
            padding: 4.5rem 0;
        }
        .section-sm {
            padding: 2.5rem 0;
        }
        .section-title-area {
            margin-bottom: 2rem;
        }
        .section-title-area .tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.45rem 1.1rem;
            border-radius: 2rem;
            letter-spacing: 0.02em;
            margin-bottom: 0.75rem;
        }
        .section-title-area h2 {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 0.6rem;
        }
        .section-title-area .subtitle {
            font-size: 1rem;
            color: var(--text-sub);
            line-height: 1.75;
            max-width: 680px;
        }
        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--card-white);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(23,35,61,0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .nav-side {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex: 1;
        }
        .nav-side.right {
            justify-content: flex-end;
        }
        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 0.5rem 0.85rem;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
            text-decoration: none;
        }
        .nav-link.active {
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .logo-center {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .logo-center .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-size: 0.9rem;
        }
        .logo-center span {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--primary);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.55rem 1.2rem;
            border-radius: 10px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 0.25rem;
        }
        .mobile-menu {
            display: none;
            background: var(--card-white);
            border-bottom: 1px solid var(--border-light);
            padding: 1rem 1.5rem 1.5rem;
            flex-direction: column;
            gap: 0.25rem;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border-light);
            border-radius: 0;
            font-size: 1rem;
        }
        .mobile-menu .nav-link:last-child {
            border-bottom: none;
        }

        /* Hero - 拼团转化 */
        .hero-group {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .hero-group::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(234,242,252,0.95) 0%, rgba(247,249,252,0.88) 40%, rgba(234,242,252,0.78) 100%);
            z-index: 0;
        }
        .hero-group .container {
            position: relative;
            z-index: 1;
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-sub);
            margin-bottom: 1.25rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-sub);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb i {
            font-size: 0.7rem;
            color: var(--text-sub);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        .hero-group-flex {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 2.5rem;
            align-items: center;
        }
        .hero-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
        }
        .hero-group h1 {
            font-size: 2.25rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }
        .hero-group .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-sub);
            line-height: 1.75;
            max-width: 560px;
            margin-bottom: 1.5rem;
        }
        .group-progress-wrap {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.25rem 1.5rem;
            box-shadow: var(--shadow-card);
            margin-bottom: 1.5rem;
            max-width: 540px;
        }
        .group-progress-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 0.6rem;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .group-progress-header .label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-main);
        }
        .group-progress-header .count {
            font-size: 0.875rem;
            color: var(--primary);
            font-weight: 700;
            font-family: var(--font-en);
        }
        .group-progress-bar {
            width: 100%;
            height: 8px;
            background: var(--primary-light);
            border-radius: 4px;
            overflow: hidden;
            margin-bottom: 0.75rem;
        }
        .group-progress-bar .fill {
            height: 100%;
            background: var(--primary);
            border-radius: 4px;
            width: 84%;
            transition: width 1s ease;
        }
        .group-progress-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.875rem;
            color: var(--text-sub);
            flex-wrap: wrap;
        }
        .group-progress-meta .dot {
            width: 8px;
            height: 8px;
            background: var(--success);
            border-radius: 50%;
            display: inline-block;
            margin-right: 0.3rem;
        }
        .hero-btn-row {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.8rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(15,111,222,0.25);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-secondary {
            background: var(--card-white);
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary-light);
            color: var(--primary-hover);
            text-decoration: none;
            transform: translateY(-2px);
        }
        .btn-ghost {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255,255,255,0.6);
        }
        .btn-ghost:hover {
            background: rgba(255,255,255,0.15);
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
        }

        /* 拼团摘要卡 */
        .group-summary-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 1.75rem;
        }
        .group-summary-card .summary-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .group-summary-card .summary-title i {
            color: var(--warning);
        }
        .group-summary-row {
            display: flex;
            justify-content: space-between;
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
            color: var(--text-sub);
            gap: 1rem;
            flex-wrap: wrap;
        }
        .group-summary-row:last-child {
            border-bottom: none;
        }
        .group-summary-row .val {
            font-weight: 700;
            color: var(--text-main);
            font-family: var(--font-en);
        }
        .group-summary-row .val.success {
            color: var(--success);
        }
        .group-summary-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.35rem 0.9rem;
            border-radius: 2rem;
            margin-top: 1rem;
        }

        /* 指标卡网格 */
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
            margin-top: 2rem;
        }
        .metric-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 1.25rem 1.5rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
            border-radius: 14px 14px 0 0;
        }
        .metric-card:nth-child(2)::before {
            background: var(--success);
        }
        .metric-card:nth-child(3)::before {
            background: var(--warning);
        }
        .metric-card:nth-child(4)::before {
            background: var(--primary);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .metric-card .metric-label {
            font-size: 0.8rem;
            color: var(--text-sub);
            font-weight: 500;
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .metric-card .metric-value {
            font-size: 2rem;
            font-weight: 700;
            font-family: var(--font-en);
            color: var(--text-main);
            line-height: 1.2;
            margin-bottom: 0.3rem;
        }
        .metric-card .metric-trend {
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .metric-card .metric-trend.up {
            color: var(--success);
        }
        .metric-card .metric-trend.down {
            color: var(--danger);
        }
        .metric-card .metric-trend.flat {
            color: var(--warning);
        }

        /* 筛选条 */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 0.75rem 1.25rem;
            box-shadow: 0 2px 8px rgba(23,35,61,0.04);
        }
        .filter-bar .filter-label {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-main);
            margin-right: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        .filter-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: var(--bg-cool);
            border: 1px solid var(--border-light);
            color: var(--text-sub);
            font-size: 0.8rem;
            font-weight: 500;
            padding: 0.4rem 0.9rem;
            border-radius: 2rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .filter-btn:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }
        .filter-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* 数据卡片列表 */
        .data-card-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }
        .data-card {
            background: var(--card-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .data-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .data-card .card-cover {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .data-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .data-card:hover .card-cover img {
            transform: scale(1.04);
        }
        .data-card .card-cover .cover-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: var(--card-white);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: 2rem;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        .data-card .card-body {
            padding: 1.25rem 1.5rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .data-card .card-name {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .data-card .card-value {
            font-size: 1.75rem;
            font-weight: 700;
            font-family: var(--font-en);
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 0.4rem;
        }
        .data-card .card-change {
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            margin-bottom: 0.6rem;
        }
        .data-card .card-change.up {
            color: var(--success);
        }
        .data-card .card-change.down {
            color: var(--danger);
        }
        .data-card .card-change.flat {
            color: var(--warning);
        }
        .data-card .card-desc {
            font-size: 0.85rem;
            color: var(--text-sub);
            line-height: 1.65;
            margin-bottom: 0.8rem;
            flex: 1;
        }
        .data-card .card-meta {
            font-size: 0.75rem;
            color: var(--text-sub);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            border-top: 1px solid var(--border-light);
            padding-top: 0.7rem;
        }
        .data-card .card-meta i {
            color: var(--primary);
            font-size: 0.7rem;
        }

        /* 迷你 CTA */
        .mini-cta {
            background: var(--footer-dark);
            border-radius: var(--radius-card);
            padding: 2.5rem 2rem;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 2rem;
            align-items: center;
            margin-top: 2.5rem;
            position: relative;
            overflow: hidden;
        }
        .mini-cta::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(15,111,222,0.15);
            border-radius: 50%;
        }
        .mini-cta .cta-text h3 {
            color: #fff;
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            position: relative;
            z-index: 1;
        }
        .mini-cta .cta-text p {
            color: rgba(255,255,255,0.75);
            font-size: 0.95rem;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }
        .mini-cta .cta-btn-row {
            display: flex;
            gap: 0.75rem;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--footer-dark);
            color: rgba(255,255,255,0.75);
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand .logo-center {
            margin-bottom: 0.75rem;
        }
        .footer-brand p {
            font-size: 0.875rem;
            color: rgba(255,255,255,0.65);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 0.875rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 1.25rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem;
            font-size: 0.78rem;
            color: rgba(255,255,255,0.55);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.7);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .back-to-top {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: rgba(255,255,255,0.08);
            padding: 0.4rem 0.9rem;
            border-radius: 2rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .back-to-top:hover {
            background: rgba(255,255,255,0.15);
            text-decoration: none;
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .hero-group-flex {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .hero-group .hero-subtitle {
                max-width: 100%;
            }
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-card-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 639px) {
            .header-inner {
                height: 60px;
                padding: 0 1rem;
            }
            .nav-side {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .logo-center {
                font-size: 1.1rem;
            }
            .logo-center span {
                font-size: 1.1rem;
            }
            .hero-group .container {
                padding-top: 2.5rem;
                padding-bottom: 2.5rem;
            }
            .hero-group h1 {
                font-size: 1.6rem;
                line-height: 1.35;
            }
            .hero-group .hero-subtitle {
                font-size: 0.95rem;
            }
            .group-progress-wrap {
                padding: 1rem;
            }
            .hero-btn-row {
                flex-direction: column;
            }
            .hero-btn-row .btn {
                width: 100%;
                justify-content: center;
            }
            .metric-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .metric-card {
                padding: 0.9rem 1rem;
            }
            .metric-card .metric-value {
                font-size: 1.5rem;
            }
            .data-card-list {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .mini-cta {
                grid-template-columns: 1fr;
                gap: 1.25rem;
                padding: 1.75rem 1.25rem;
            }
            .mini-cta .cta-text h3 {
                font-size: 1.15rem;
            }
            .filter-bar {
                padding: 0.6rem 0.75rem;
            }
            .filter-bar .filter-label {
                width: 100%;
                margin-bottom: 0.3rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
            }
        }
        @media (min-width: 640px) and (max-width: 767px) {
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-card-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0F6FDE;
            --primary-hover: #0B5ED7;
            --primary-light: #EAF2FC;
            --bg-cool: #F7F9FC;
            --card-white: #FFFFFF;
            --text-main: #17233D;
            --text-sub: #55627A;
            --border: #DCE4EF;
            --border-light: #E4EAF3;
            --success: #12B76A;
            --warning: #F5A524;
            --danger: #E5484D;
            --footer-dark: #0D2B52;
            --radius-card: 14px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 24px rgba(23,35,61,0.08);
            --shadow-card-hover: 0 12px 32px rgba(23,35,61,0.14);
            --transition: all 0.25s ease;
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-en: 'Inter', 'Roboto', 'Arial', sans-serif;
        }
        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-cn);
            color: var(--text-main);
            background-color: var(--bg-cool);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }
        a:focus,
        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .section {
            padding: 5rem 0;
        }
        .section-sm {
            padding: 3rem 0;
        }
        .section-title-area {
            margin-bottom: 2.5rem;
        }
        .section-title-area .tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.5rem 1.1rem;
            border-radius: 2rem;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
        }
        .section-title-area h2 {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 0.75rem;
        }
        .section-title-area .subtitle {
            font-size: 1rem;
            color: var(--text-sub);
            line-height: 1.75;
            max-width: 680px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--card-white);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(23,35,61,0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .nav-side {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex: 1;
        }
        .nav-side.right {
            justify-content: flex-end;
        }
        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 0.5rem 0.85rem;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
            text-decoration: none;
        }
        .nav-link.active {
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .logo-center {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .logo-center .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-size: 0.9rem;
        }
        .logo-center span {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--primary);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.55rem 1.2rem;
            border-radius: 10px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 0.25rem;
        }
        .mobile-menu {
            display: none;
            background: var(--card-white);
            border-bottom: 1px solid var(--border-light);
            padding: 1rem 1.5rem 1.5rem;
            flex-direction: column;
            gap: 0.25rem;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border-light);
            border-radius: 0;
        }
        .mobile-menu .nav-link:last-child {
            border-bottom: none;
        }

        /* Page Banner */
        .page-banner {
            background: linear-gradient(135deg, rgba(15,111,222,0.06) 0%, rgba(255,255,255,0.9) 55%, rgba(234,242,252,0.9) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 4rem 0 3rem;
            border-bottom: 1px solid var(--border-light);
            position: relative;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light), var(--primary));
        }
        .breadcrumb-bar {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-sub);
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--text-sub);
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
        }
        .breadcrumb-bar .sep {
            color: var(--border);
        }
        .breadcrumb-bar .current {
            color: var(--primary);
            font-weight: 600;
        }
        .banner-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 1rem;
        }
        .banner-desc {
            font-size: 1.05rem;
            color: var(--text-sub);
            max-width: 760px;
            line-height: 1.75;
        }
        .banner-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 2rem;
        }
        .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: 10px;
            padding: 0.75rem 1.2rem;
            box-shadow: var(--shadow-card);
        }
        .banner-stat-item .icon {
            width: 36px;
            height: 36px;
            background: var(--primary-light);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.9rem;
        }
        .banner-stat-item .info {
            display: flex;
            flex-direction: column;
            line-height: 1.3;
        }
        .banner-stat-item .info strong {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-main);
            font-family: var(--font-en);
        }
        .banner-stat-item .info span {
            font-size: 0.8rem;
            color: var(--text-sub);
        }

        /* Tag Filter */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 2rem;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: var(--card-white);
            border: 1px solid var(--border);
            color: var(--text-sub);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 1.1rem;
            border-radius: 2rem;
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
        }
        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .filter-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* Timeline */
        .timeline-wrap {
            position: relative;
            padding-left: 2.5rem;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 0.8rem;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 2.5rem;
            opacity: 1;
            transition: opacity 0.3s ease;
        }
        .timeline-item.hidden {
            display: none;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2.5rem;
            top: 1.2rem;
            width: 12px;
            height: 12px;
            background: var(--primary);
            border-radius: 50%;
            border: 3px solid var(--card-white);
            box-shadow: 0 0 0 3px var(--primary-light);
        }
        .timeline-item .timeline-date {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            font-family: var(--font-en);
            letter-spacing: 0.04em;
            margin-bottom: 0.5rem;
            text-transform: uppercase;
        }
        .timeline-card {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
        }
        .timeline-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .timeline-card .card-cover {
            height: 200px;
            overflow: hidden;
        }
        .timeline-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .timeline-card:hover .card-cover img {
            transform: scale(1.04);
        }
        .timeline-card .card-body {
            padding: 1.5rem 1.75rem;
        }
        .timeline-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 0.75rem;
        }
        .timeline-card .card-meta .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: 2rem;
            letter-spacing: 0.02em;
        }
        .badge-blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-green {
            background: #EBF9F0;
            color: var(--success);
        }
        .badge-orange {
            background: #FFF6E6;
            color: var(--warning);
        }
        .badge-red {
            background: #FDEBEB;
            color: var(--danger);
        }
        .timeline-card .card-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 0.6rem;
            line-height: 1.45;
        }
        .timeline-card .card-desc {
            font-size: 0.9rem;
            color: var(--text-sub);
            line-height: 1.75;
            margin-bottom: 1rem;
        }
        .timeline-card .card-data {
            display: flex;
            flex-wrap: wrap;
            gap: 1.25rem;
            padding-top: 1rem;
            border-top: 1px solid var(--border-light);
        }
        .timeline-card .card-data .data-item {
            display: flex;
            flex-direction: column;
            gap: 0.15rem;
        }
        .timeline-card .card-data .data-item .data-label {
            font-size: 0.75rem;
            color: var(--text-sub);
        }
        .timeline-card .card-data .data-item .data-value {
            font-size: 1.1rem;
            font-weight: 700;
            font-family: var(--font-en);
            color: var(--text-main);
        }
        .timeline-card .card-data .data-item .data-change {
            font-size: 0.75rem;
            font-weight: 600;
            font-family: var(--font-en);
        }
        .data-change.up {
            color: var(--success);
        }
        .data-change.down {
            color: var(--danger);
        }
        .data-change.flat {
            color: var(--warning);
        }

        /* Case Cards Grid */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
        .case-card {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
        }
        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .case-card .case-cover {
            position: relative;
            height: 220px;
            overflow: hidden;
        }
        .case-card .case-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .case-card:hover .case-cover img {
            transform: scale(1.05);
        }
        .case-card .case-cover .overlay-badge {
            position: absolute;
            top: 1rem;
            left: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: rgba(255,255,255,0.92);
            color: var(--text-main);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.35rem 0.9rem;
            border-radius: 2rem;
            backdrop-filter: blur(4px);
        }
        .case-card .case-cover .overlay-badge i {
            color: var(--primary);
        }
        .case-card .case-body {
            padding: 1.5rem 1.75rem;
        }
        .case-card .case-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 0.6rem;
            color: var(--text-main);
        }
        .case-card .case-body p {
            font-size: 0.88rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        .case-card .case-body .case-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .case-card .case-body .case-tags span {
            font-size: 0.72rem;
            font-weight: 500;
            background: var(--bg-cool);
            color: var(--text-sub);
            padding: 0.25rem 0.7rem;
            border-radius: 1rem;
            border: 1px solid var(--border-light);
        }

        /* Bottom CTA */
        .bottom-cta {
            background: linear-gradient(135deg, var(--footer-dark) 0%, #1A3D6E 100%);
            border-radius: var(--radius-card);
            padding: 3rem 2.5rem;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
            margin-top: 3rem;
        }
        .bottom-cta .cta-text {
            flex: 1;
            min-width: 280px;
        }
        .bottom-cta .cta-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            color: #fff;
        }
        .bottom-cta .cta-text p {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.85);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .bottom-cta .cta-btn-group {
            display: flex;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: transparent;
            border: 2px solid rgba(255,255,255,0.7);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 0.7rem 1.5rem;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-ghost-light:hover {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #fff;
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 600;
            padding: 0.7rem 1.5rem;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            border: none;
        }
        .btn-white:hover {
            background: var(--primary-light);
            color: var(--primary-hover);
            text-decoration: none;
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: var(--footer-dark);
            color: rgba(255,255,255,0.75);
            padding: 4rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.75;
            margin-top: 1rem;
            color: rgba(255,255,255,0.7);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 0.875rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.12);
            font-size: 0.8rem;
            color: rgba(255,255,255,0.55);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.7);
            font-size: 0.8rem;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .back-to-top {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            color: rgba(255,255,255,0.7);
            font-size: 0.8rem;
            margin-left: auto;
        }
        .back-to-top:hover {
            color: #fff;
            text-decoration: none;
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .nav-side {
                gap: 0.2rem;
            }
            .nav-link {
                padding: 0.5rem 0.6rem;
                font-size: 0.82rem;
            }
            .logo-center span {
                font-size: 1.1rem;
            }
            .banner-title {
                font-size: 1.8rem;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }
        @media (max-width: 767px) {
            .nav-side {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-inner {
                gap: 0.5rem;
                height: 60px;
            }
            .logo-center {
                font-size: 1.15rem;
            }
            .logo-center span {
                font-size: 1.05rem;
            }
            .nav-cta {
                font-size: 0.75rem;
                padding: 0.45rem 0.8rem;
            }
            .section {
                padding: 3.5rem 0;
            }
            .banner-title {
                font-size: 1.5rem;
            }
            .banner-desc {
                font-size: 0.95rem;
            }
            .banner-stats {
                gap: 0.75rem;
                flex-direction: column;
            }
            .banner-stat-item {
                padding: 0.6rem 1rem;
            }
            .timeline-wrap {
                padding-left: 1.8rem;
            }
            .timeline-wrap::before {
                left: 0.5rem;
            }
            .timeline-item::before {
                left: -1.8rem;
                width: 10px;
                height: 10px;
                top: 0.9rem;
            }
            .timeline-card .card-body {
                padding: 1.2rem 1.2rem;
            }
            .timeline-card .card-cover {
                height: 160px;
            }
            .case-card .case-cover {
                height: 180px;
            }
            .case-card .case-body {
                padding: 1.2rem 1.2rem;
            }
            .bottom-cta {
                padding: 2rem 1.5rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .bottom-cta .cta-btn-group {
                flex-direction: column;
                width: 100%;
            }
            .btn-white,
            .btn-ghost-light {
                justify-content: center;
                width: 100%;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .back-to-top {
                margin-left: 0;
            }
            .page-banner {
                padding: 2.5rem 0 2rem;
            }
            .banner-title {
                font-size: 1.4rem;
            }
            .container {
                padding: 0 1rem;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                padding: 0 0.75rem;
            }
            .logo-center .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.75rem;
                border-radius: 6px;
            }
            .logo-center span {
                font-size: 0.95rem;
            }
            .nav-cta {
                font-size: 0.7rem;
                padding: 0.4rem 0.7rem;
            }
            .nav-cta i {
                display: none;
            }
            .banner-title {
                font-size: 1.25rem;
            }
            .section-title-area h2 {
                font-size: 1.35rem;
            }
            .filter-chip {
                font-size: 0.78rem;
                padding: 0.4rem 0.85rem;
            }
            .timeline-card .card-data {
                gap: 0.75rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0F6FDE;
            --primary-hover: #0B5ED7;
            --primary-light: #EAF2FC;
            --bg-cool: #F7F9FC;
            --card-white: #FFFFFF;
            --text-main: #17233D;
            --text-sub: #55627A;
            --border: #DCE4EF;
            --border-light: #E4EAF3;
            --success: #12B76A;
            --warning: #F5A524;
            --danger: #E5484D;
            --footer-dark: #0D2B52;
            --radius-card: 14px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 24px rgba(23,35,61,0.08);
            --shadow-card-hover: 0 12px 32px rgba(23,35,61,0.14);
            --transition: all 0.25s ease;
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-en: 'Inter', 'Roboto', 'Arial', sans-serif;
        }
        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            color: var(--text-main);
            background-color: var(--bg-cool);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }
        a:focus,
        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .section {
            padding: 5rem 0;
        }
        .section-sm {
            padding: 3rem 0;
        }
        .section-title-area {
            margin-bottom: 2.5rem;
        }
        .section-title-area .tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.5rem 1.1rem;
            border-radius: 2rem;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
        }
        .section-title-area h2 {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 0.75rem;
        }
        .section-title-area .subtitle {
            font-size: 1rem;
            color: var(--text-sub);
            line-height: 1.75;
            max-width: 680px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--card-white);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(23,35,61,0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .nav-side {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex: 1;
        }
        .nav-side.right {
            justify-content: flex-end;
        }
        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 0.5rem 0.8rem;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
            text-decoration: none;
        }
        .nav-link.active {
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .logo-center {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
            text-decoration: none;
        }
        .logo-center:hover {
            text-decoration: none;
            color: var(--text-main);
        }
        .logo-center .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-size: 0.9rem;
        }
        .logo-center span {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--primary);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.55rem 1.2rem;
            border-radius: 10px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 0.25rem;
        }
        .mobile-menu {
            display: none;
            background: var(--card-white);
            border-bottom: 1px solid var(--border-light);
            padding: 1rem 1.5rem 1.5rem;
            flex-direction: column;
            gap: 0.25rem;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border-light);
            border-radius: 0;
        }
        .mobile-menu .nav-link:last-of-type {
            border-bottom: none;
        }
        .breadcrumb-bar {
            background: var(--bg-cool);
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border-light);
        }
        .breadcrumb-bar .breadcrumb-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-sub);
        }
        .breadcrumb-bar .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .breadcrumb-bar .breadcrumb-list li:not(:last-child)::after {
            content: '/';
            color: var(--border);
            margin-left: 0.25rem;
        }
        .breadcrumb-bar .breadcrumb-list a {
            color: var(--primary);
        }
        .breadcrumb-bar .breadcrumb-list a:hover {
            text-decoration: underline;
        }
        .hero-compare {
            position: relative;
            background: linear-gradient(135deg, rgba(15,111,222,0.08) 0%, rgba(15,111,222,0.02) 50%, rgba(13,43,82,0.04) 100%);
            padding: 4rem 0 3.5rem;
            overflow: hidden;
        }
        .hero-compare::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(15,111,222,0.08) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-compare .container {
            position: relative;
            z-index: 1;
        }
        .hero-compare h1 {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 1rem;
            max-width: 760px;
        }
        .hero-compare .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-sub);
            line-height: 1.75;
            max-width: 680px;
            margin-bottom: 1.5rem;
        }
        .hero-stat-row {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            margin-top: 2rem;
        }
        .hero-stat {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .hero-stat .stat-num {
            font-family: var(--font-en);
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
        }
        .hero-stat .stat-label {
            font-size: 0.875rem;
            color: var(--text-sub);
            line-height: 1.4;
        }
        .compare-table-wrap {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            margin-top: 2rem;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            min-width: 720px;
        }
        .compare-table thead th {
            background: var(--primary-light);
            color: var(--text-main);
            font-weight: 600;
            text-align: left;
            padding: 1.1rem 1.5rem;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            border-bottom: 2px solid var(--primary);
            white-space: nowrap;
        }
        .compare-table tbody td {
            padding: 1.2rem 1.5rem;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-main);
            vertical-align: top;
            line-height: 1.6;
        }
        .compare-table tbody tr:hover {
            background: var(--bg-cool);
        }
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table .dim-name {
            font-weight: 600;
            white-space: nowrap;
            color: var(--text-main);
        }
        .compare-table .change-badge {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
        }
        .change-badge.positive {
            background: #E6F7F0;
            color: var(--success);
        }
        .change-badge.negative {
            background: #FDECEA;
            color: var(--danger);
        }
        .change-badge.neutral {
            background: #FFF7E6;
            color: var(--warning);
        }
        .evidence-bar {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .evidence-card {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 1.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            transition: var(--transition);
        }
        .evidence-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .evidence-card .ev-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
        }
        .evidence-card .ev-num {
            font-family: var(--font-en);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.2;
        }
        .evidence-card .ev-label {
            font-size: 0.85rem;
            color: var(--text-sub);
            line-height: 1.4;
        }
        .cover-inline {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            margin-top: 2rem;
        }
        .cover-inline img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }
        .faq-accordion.custom-accordion {
            background: transparent;
            border: none;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .faq-accordion.custom-accordion .accordion-item {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-accordion.custom-accordion .accordion-item:hover {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(15,111,222,0.08);
        }
        .faq-accordion.custom-accordion .accordion-title {
            display: block;
            padding: 1.1rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            background: var(--card-white);
            border: none;
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }
        .faq-accordion.custom-accordion .accordion-title:hover {
            background: var(--primary-light);
            color: var(--primary);
            text-decoration: none;
        }
        .faq-accordion.custom-accordion .accordion-title::before {
            content: '\f054';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0.75rem;
            top: 50%;
            transform: translateY(-50%);
            font-size: 0.8rem;
            color: var(--primary);
            transition: transform 0.3s ease;
        }
        .faq-accordion.custom-accordion .accordion-item.is-active .accordion-title::before {
            transform: translateY(-50%) rotate(90deg);
        }
        .faq-accordion.custom-accordion .accordion-title {
            padding-left: 2rem;
        }
        .faq-accordion.custom-accordion .accordion-content {
            padding: 0 2rem 1.25rem;
            font-size: 0.95rem;
            color: var(--text-sub);
            line-height: 1.7;
            background: var(--card-white);
            border-left: 3px solid var(--primary);
            margin-left: 0.75rem;
        }
        .cta-section {
            background: var(--footer-dark);
            border-radius: var(--radius-card);
            padding: 3rem 2.5rem;
            color: #fff;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .cta-section .cta-left h2 {
            color: #fff;
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        .cta-section .cta-left p {
            color: rgba(255,255,255,0.75);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .cta-section .cta-left .trust-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1.25rem;
        }
        .cta-section .cta-left .trust-row span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.85);
        }
        .cta-section .cta-left .trust-row i {
            color: var(--success);
        }
        .cta-form {
            background: var(--card-white);
            border-radius: var(--radius-card);
            padding: 1.75rem;
            box-shadow: 0 12px 32px rgba(0,0,0,0.18);
        }
        .cta-form label {
            display: block;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 0.4rem;
        }
        .cta-form input,
        .cta-form textarea,
        .cta-form select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-family: var(--font-cn);
            color: var(--text-main);
            background: #fff;
            transition: var(--transition);
            margin-bottom: 0.9rem;
            box-sizing: border-box;
        }
        .cta-form input:focus,
        .cta-form textarea:focus,
        .cta-form select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15,111,222,0.15);
        }
        .cta-form .form-error {
            color: var(--danger);
            font-size: 0.8rem;
            margin-top: -0.6rem;
            margin-bottom: 0.5rem;
            display: none;
        }
        .cta-form .submit-btn {
            width: 100%;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 0.85rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: var(--transition);
            font-family: var(--font-cn);
        }
        .cta-form .submit-btn:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(15,111,222,0.35);
        }
        .cta-form .submit-btn:active {
            transform: scale(0.98);
        }
        .site-footer {
            background: var(--footer-dark);
            color: rgba(255,255,255,0.75);
            padding: 4rem 0 2rem;
            margin-top: 5rem;
        }
        .site-footer .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .site-footer .footer-brand .logo-center {
            color: #fff;
            justify-content: flex-start;
            margin-bottom: 1rem;
        }
        .site-footer .footer-brand .logo-center span {
            color: #fff;
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.6;
            color: rgba(255,255,255,0.65);
            max-width: 360px;
        }
        .site-footer .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
        }
        .site-footer .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 0.6rem;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255,255,255,0.65);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.75rem 1.5rem;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.55);
        }
        .site-footer .footer-bottom a {
            color: rgba(255,255,255,0.75);
            font-size: 0.8rem;
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .site-footer .back-to-top {
            margin-left: auto;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: rgba(255,255,255,0.85);
            font-weight: 600;
        }
        @media (max-width: 1024px) {
            .header-inner {
                gap: 0.5rem;
            }
            .nav-link {
                padding: 0.5rem 0.55rem;
                font-size: 0.82rem;
            }
            .cta-section {
                grid-template-columns: 1fr;
                padding: 2rem 1.5rem;
            }
            .site-footer .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }
        @media (max-width: 767px) {
            .nav-side {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-inner {
                justify-content: space-between;
                height: 60px;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: flex;
            }
            .hero-compare {
                padding: 2.5rem 0;
            }
            .hero-compare h1 {
                font-size: 1.7rem;
            }
            .hero-compare .hero-stat-row {
                gap: 1.5rem;
            }
            .compare-table-wrap {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .compare-table {
                min-width: 680px;
                font-size: 0.85rem;
            }
            .compare-table thead th,
            .compare-table tbody td {
                padding: 0.8rem 0.8rem;
            }
            .evidence-bar {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .site-footer .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.75rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .site-footer .back-to-top {
                margin-left: 0;
            }
            .section {
                padding: 3rem 0;
            }
            .section-title-area h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .hero-compare h1 {
                font-size: 1.4rem;
            }
            .hero-compare .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-stat .stat-num {
                font-size: 1.5rem;
            }
            .evidence-bar {
                grid-template-columns: 1fr;
            }
            .cta-form {
                padding: 1.25rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #0F6FDE;
            --primary-hover: #0B5ED7;
            --primary-light: #EAF2FC;
            --bg-cool: #F7F9FC;
            --card-white: #FFFFFF;
            --text-main: #17233D;
            --text-sub: #55627A;
            --border: #DCE4EF;
            --border-light: #E4EAF3;
            --success: #12B76A;
            --warning: #F5A524;
            --danger: #E5484D;
            --footer-dark: #0D2B52;
            --radius-card: 14px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 24px rgba(23,35,61,0.08);
            --shadow-card-hover: 0 12px 32px rgba(23,35,61,0.14);
            --transition: all 0.25s ease;
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-en: 'Inter', 'Roboto', 'Arial', sans-serif;
        }
        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            color: var(--text-main);
            background-color: var(--bg-cool);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }
        a:focus, button:focus, input:focus, textarea:focus, select:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .section {
            padding: 5rem 0;
        }
        .section-sm {
            padding: 3rem 0;
        }
        .section-title-area {
            margin-bottom: 2.5rem;
        }
        .section-title-area .tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.5rem 1.1rem;
            border-radius: 2rem;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
        }
        .section-title-area h2 {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 0.75rem;
        }
        .section-title-area .subtitle {
            font-size: 1rem;
            color: var(--text-sub);
            line-height: 1.75;
            max-width: 680px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--card-white);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(23,35,61,0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .nav-side {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex: 1;
        }
        .nav-side.right {
            justify-content: flex-end;
        }
        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 0.5rem 0.85rem;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            background-color: var(--primary-light);
            color: var(--primary);
            text-decoration: none;
        }
        .nav-link.active {
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .logo-center {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .logo-center .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-size: 0.9rem;
        }
        .logo-center span {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--primary);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.55rem 1.2rem;
            border-radius: 10px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 0.25rem;
        }
        .mobile-menu {
            display: none;
            background: var(--card-white);
            border-bottom: 1px solid var(--border-light);
            padding: 1rem 1.5rem 1.5rem;
            flex-direction: column;
            gap: 0.25rem;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 1rem;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-sub);
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-sub);
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb-nav .separator {
            color: var(--border);
        }
        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }
        .page-hero {
            background: var(--card-white);
            padding: 3.5rem 0 3rem;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background: linear-gradient(135deg, transparent 0%, var(--primary-light) 100%);
            opacity: 0.5;
            pointer-events: none;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 1rem;
            letter-spacing: 0.01em;
        }
        .page-hero .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-sub);
            line-height: 1.75;
            max-width: 680px;
            margin-bottom: 1.5rem;
        }
        .page-hero .hero-meta {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            font-size: 0.875rem;
            color: var(--text-sub);
        }
        .page-hero .hero-meta span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .quick-entry-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.25rem;
            margin-top: 2rem;
        }
        .quick-entry-card {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            cursor: pointer;
        }
        .quick-entry-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--primary);
        }
        .quick-entry-card .entry-icon {
            width: 48px;
            height: 48px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.75rem;
            font-size: 1.25rem;
        }
        .quick-entry-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 0.4rem;
        }
        .quick-entry-card p {
            font-size: 0.875rem;
            color: var(--text-sub);
            line-height: 1.6;
            margin: 0;
        }
        .faq-section {
            background: var(--bg-cool);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: var(--transition);
            box-shadow: 0 1px 4px rgba(23,35,61,0.04);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-item.active {
            border-left: 4px solid var(--primary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-main);
            gap: 1rem;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-cn);
            transition: var(--transition);
        }
        .faq-question:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .faq-question .fa-chevron-down {
            transition: transform 0.3s ease;
            color: var(--text-sub);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            display: none;
            padding: 0 1.5rem 1.25rem;
            font-size: 0.95rem;
            color: var(--text-sub);
            line-height: 1.75;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .resource-card {
            background: var(--card-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .resource-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .resource-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-light);
        }
        .resource-card .resource-body {
            padding: 1.5rem;
        }
        .resource-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 0.6rem;
        }
        .resource-card p {
            font-size: 0.9rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        .resource-card .resource-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .resource-card .resource-link:hover {
            color: var(--primary-hover);
            text-decoration: none;
        }
        .resource-card .resource-link i {
            transition: transform 0.25s ease;
        }
        .resource-card .resource-link:hover i {
            transform: translateX(4px);
        }
        .contact-form-section {
            background: var(--card-white);
        }
        .contact-form-wrapper {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 2.5rem;
            align-items: start;
        }
        .form-trust-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .form-trust-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            font-size: 0.95rem;
            color: var(--text-main);
            margin-bottom: 1rem;
            line-height: 1.6;
        }
        .form-trust-list li i {
            color: var(--success);
            margin-top: 0.25rem;
            flex-shrink: 0;
        }
        .contact-form {
            background: var(--bg-cool);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 2rem;
        }
        .contact-form .form-row {
            margin-bottom: 1.25rem;
        }
        .contact-form label {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-main);
            display: block;
            margin-bottom: 0.4rem;
        }
        .contact-form input,
        .contact-form select,
        .contact-form textarea {
            width: 100%;
            background: var(--card-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            font-family: var(--font-cn);
            color: var(--text-main);
            transition: var(--transition);
            box-shadow: none;
            -webkit-appearance: none;
            appearance: none;
        }
        .contact-form input:focus,
        .contact-form select:focus,
        .contact-form textarea:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(15,111,222,0.12);
        }
        .contact-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .contact-form .error-text {
            font-size: 0.8rem;
            color: var(--danger);
            margin-top: 0.3rem;
            display: none;
        }
        .contact-form .form-error .error-text {
            display: block;
        }
        .contact-form .form-error input,
        .contact-form .form-error select,
        .contact-form .form-error textarea {
            border-color: var(--danger);
        }
        .submit-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--primary);
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            font-family: var(--font-cn);
            transition: var(--transition);
            width: 100%;
            justify-content: center;
        }
        .submit-btn:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(15,111,222,0.25);
        }
        .submit-btn:active {
            transform: scale(0.98);
        }
        .form-success-message {
            display: none;
            background: #E8F9F0;
            border: 1px solid var(--success);
            color: #0B7A45;
            padding: 1.25rem 1.5rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            text-align: center;
            margin-top: 1rem;
        }
        .form-success-message.show {
            display: block;
        }
        .site-footer {
            background: var(--footer-dark);
            color: rgba(255,255,255,0.75);
            padding: 4rem 0 1.5rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand .logo-center {
            margin-bottom: 1rem;
        }
        .footer-brand .logo-center span {
            color: #fff;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.75;
            color: rgba(255,255,255,0.6);
            max-width: 320px;
            margin: 0;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.45);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.55);
        }
        .footer-bottom a:hover {
            color: #fff;
            text-decoration: none;
        }
        .back-to-top {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: rgba(255,255,255,0.7);
        }
        .back-to-top:hover {
            color: #fff;
        }
        @media (max-width: 1024px) {
            .nav-side {
                gap: 0.25rem;
            }
            .nav-link {
                padding: 0.5rem 0.6rem;
                font-size: 0.85rem;
            }
            .contact-form-wrapper {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .footer-inner {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }
            .nav-side {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .logo-center span {
                font-size: 1.15rem;
            }
            .section {
                padding: 3.5rem 0;
            }
            .page-hero {
                padding: 2.5rem 0 2rem;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .quick-entry-grid {
                grid-template-columns: 1fr 1fr;
            }
            .resource-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .quick-entry-grid {
                grid-template-columns: 1fr;
            }
            .page-hero h1 {
                font-size: 1.3rem;
            }
            .contact-form {
                padding: 1.25rem;
            }
            .container {
                padding: 0 1rem;
            }
        }