/* roulang page: index */
/* ============ 设计变量 ============ */
        :root {
            --brand-green: #2d4f2b;
            --brand-green-dark: #1f3a1e;
            --brand-green-light: #eef3ec;
            --brand-tea: #8b6e4e;
            --brand-accent: #c9a87c;
            --brand-accent-light: #f3eadc;
            --bg-soft: #f8f5f0;
            --bg-dark: #162a18;
            --text-main: #2c2a26;
            --text-sub: #6e6a64;
            --text-light: #9a958d;
            --border-light: #e6ddd0;
            --border-dark: #d6cab8;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-xs: 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

        .container {
            max-width: 1200px;
        }

        /* ============ 按钮 ============ */
        .btn {
            border-radius: 50px;
            font-weight: 600;
            padding: 12px 28px;
            transition: var(--transition);
            letter-spacing: 0.02em;
        }

        .btn-primary-custom {
            background: var(--brand-green);
            color: #fff;
            border: 2px solid var(--brand-green);
        }
        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            background: var(--brand-green-dark);
            border-color: var(--brand-green-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(45, 79, 43, 0.3);
        }

        .btn-outline-custom {
            background: transparent;
            color: var(--brand-green);
            border: 2px solid var(--brand-green);
        }
        .btn-outline-custom:hover {
            background: var(--brand-green);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(45, 79, 43, 0.2);
        }

        .btn-outline-light-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
        }

        /* ============ 导航 ============ */
        .site-header {
            background: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
        }

        .site-header .navbar {
            padding: 0;
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--brand-green) !important;
            letter-spacing: 0.01em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-brand i {
            color: var(--brand-accent);
            font-size: 1.5rem;
        }

        .navbar-brand:hover {
            color: var(--brand-green-dark) !important;
        }

        .site-header .nav-link {
            color: var(--text-main) !important;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 50px;
            position: relative;
            font-size: 0.95rem;
        }
        .site-header .nav-link:hover {
            color: var(--brand-green) !important;
            background: var(--brand-green-light);
        }
        .site-header .nav-link.active {
            color: var(--brand-green) !important;
            background: var(--brand-green-light);
            font-weight: 600;
        }

        .header-phone {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-green);
            color: #fff;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: var(--transition);
        }
        .header-phone:hover {
            background: var(--brand-green-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(45, 79, 43, 0.4);
        }

        .navbar-toggler {
            border: none;
            font-size: 1.3rem;
            color: var(--brand-green);
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* ============ 面包屑（内页预留） ============ */
        .breadcrumb-bar {
            background: var(--brand-green-light);
            border-bottom: 1px solid var(--border-light);
            padding: 10px 0;
            font-size: 0.85rem;
        }
        .breadcrumb-item a {
            color: var(--brand-green);
        }
        .breadcrumb-item.active {
            color: var(--text-sub);
        }

        /* ============ 通用板块 ============ */
        .section-padding {
            padding: 100px 0;
        }

        .section-header {
            margin-bottom: 60px;
            text-align: center;
            max-width: 740px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-tag {
            display: inline-block;
            background: var(--brand-green-light);
            color: var(--brand-green);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 50px;
            letter-spacing: 0.05em;
            margin-bottom: 18px;
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-title span {
            color: var(--brand-green);
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-sub);
            line-height: 1.8;
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            background: var(--bg-soft);
            padding: 80px 0;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }

        .hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(201, 168, 124, 0.15), rgba(201, 168, 124, 0));
            border-radius: 50%;
            z-index: 0;
        }

        .hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(45, 79, 43, 0.08);
            color: var(--brand-green);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 50px;
            margin-bottom: 24px;
        }
        .hero-badge i {
            color: var(--brand-accent);
        }

        .hero h1 {
            font-size: 2.9rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 22px;
            letter-spacing: -0.01em;
        }
        .hero h1 .highlight {
            color: var(--brand-green);
            position: relative;
        }

        .hero-lead {
            font-size: 1.08rem;
            color: var(--text-sub);
            line-height: 1.85;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-ctas {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .hero-kpis {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            padding-top: 30px;
            border-top: 1px solid var(--border-light);
        }
        .hero-kpi-item {
            text-align: left;
        }
        .hero-kpi-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--brand-green);
            line-height: 1.2;
        }
        .hero-kpi-item .label {
            font-size: 0.85rem;
            color: var(--text-sub);
        }

        .hero-image-wrap {
            position: relative;
            margin-left: 20px;
            margin-top: 30px;
        }
        .hero-image-wrap::before {
            content: "";
            position: absolute;
            top: -18px;
            right: -18px;
            width: calc(100% - 30px);
            height: calc(100% - 30px);
            border: 2px solid var(--brand-accent);
            border-radius: var(--radius-lg);
            z-index: 0;
        }
        .hero-image-wrap img {
            position: relative;
            z-index: 1;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            transform: rotate(2deg) translateY(8px);
            width: 100%;
            height: 520px;
            object-fit: cover;
        }

        .hero-float-card {
            position: absolute;
            z-index: 2;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 14px 22px;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            gap: 12px;
            bottom: 30px;
            left: -30px;
        }
        .hero-float-card i {
            font-size: 1.4rem;
            color: var(--brand-accent);
        }
        .hero-float-card .text {
            font-size: 0.88rem;
            line-height: 1.4;
        }
        .hero-float-card .text strong {
            color: var(--brand-green);
            display: block;
            font-size: 1rem;
        }

        /* ============ 资料目录（服务分类） ============ */
        .services {
            background: #fff;
        }

        .service-card {
            background: var(--bg-soft);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            height: 100%;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-dark);
        }

        .service-card img {
            height: 200px;
            width: 100%;
            object-fit: cover;
        }

        .service-card-body {
            padding: 26px;
        }
        .service-card-body .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .service-card-body .card-text {
            font-size: 0.92rem;
            color: var(--text-sub);
            line-height: 1.75;
            margin-bottom: 14px;
        }
        .service-card-body .card-link {
            color: var(--brand-green);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .service-card-body .card-link:hover {
            color: var(--brand-green-dark);
            gap: 10px;
        }

        /* ============ 流程步骤 ============ */
        .process {
            background: var(--bg-soft);
        }

        .process-step {
            position: relative;
            text-align: center;
            padding: 0 15px;
        }
        .process-step::after {
            content: "";
            position: absolute;
            top: 34px;
            left: 60%;
            width: 80%;
            height: 2px;
            background: repeating-linear-gradient(90deg, var(--brand-accent) 0 8px, transparent 8px 16px);
        }
        .process-step:last-child::after {
            display: none;
        }

        .step-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--brand-green);
            color: #fff;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 22px;
            box-shadow: 0 6px 20px rgba(45, 79, 43, 0.25);
            position: relative;
            z-index: 1;
        }
        .step-icon i {
            position: relative;
        }
        .step-num {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--brand-accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            position: absolute;
            top: -4px;
            right: -4px;
            z-index: 2;
        }
        .process-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .process-step p {
            font-size: 0.9rem;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* ============ 价值点 ============ */
        .features {
            background: #fff;
        }

        .feature-item {
            padding: 36px 28px;
            border-radius: var(--radius-lg);
            background: var(--bg-soft);
            border: 1px solid var(--border-light);
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-item::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--brand-accent);
            transition: var(--transition);
        }
        .feature-item:hover::before {
            height: 100%;
        }
        .feature-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-md);
            background: var(--brand-green);
            color: #fff;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        .feature-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .feature-item p {
            font-size: 0.92rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ============ 用户评价 ============ */
        .testimonials {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            color: #fff;
        }
        .testimonials::before {
            content: "\201C";
            position: absolute;
            top: -30px;
            left: 20px;
            font-size: 220px;
            font-family: Georgia, serif;
            color: rgba(255, 255, 255, 0.05);
            line-height: 1;
        }

        .testimonial-card {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 30px;
            backdrop-filter: blur(6px);
            transition: var(--transition);
            height: 100%;
        }
        .testimonial-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .testimonial-stars {
            color: #f5b342;
            font-size: 0.9rem;
            margin-bottom: 14px;
            letter-spacing: 2px;
        }
        .testimonial-text {
            font-size: 0.98rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 20px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-author .avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--brand-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.85rem;
        }
        .testimonial-author .name {
            font-weight: 600;
            font-size: 0.95rem;
        }
        .testimonial-author .role {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ============ 资讯 ============ */
        .news {
            background: var(--bg-soft);
        }

        .news-list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
            color: var(--text-main);
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item:hover {
            color: var(--brand-green);
            padding-left: 8px;
        }
        .news-list-item .date {
            font-size: 0.82rem;
            color: var(--text-light);
            white-space: nowrap;
            background: #fff;
            padding: 6px 12px;
            border-radius: 50px;
            border: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .news-list-item .title {
            font-weight: 500;
            font-size: 1rem;
            line-height: 1.5;
            flex: 1;
        }

        .news-sidebar {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }
        .news-sidebar h5 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--brand-green);
            padding-bottom: 12px;
            border-bottom: 2px solid var(--brand-accent-light);
        }
        .news-sidebar ul li {
            padding: 8px 0;
            font-size: 0.95rem;
            color: var(--text-sub);
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .news-sidebar ul li i {
            color: var(--brand-accent);
            font-size: 0.75rem;
        }
        .news-sidebar ul li a {
            color: var(--text-main);
        }
        .news-sidebar ul li a:hover {
            color: var(--brand-green);
        }

        /* ============ 留资表单 ============ */
        .lead-form {
            background: #fff;
        }

        .lead-form-wrap {
            background: var(--brand-green-dark);
            border-radius: 24px;
            padding: 56px;
            position: relative;
            overflow: hidden;
        }
        .lead-form-wrap::before {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(201, 168, 124, 0.25), rgba(201, 168, 124, 0));
            border-radius: 50%;
        }

        .lead-form-wrap h3 {
            color: #fff;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .lead-form-wrap p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .lead-form-wrap .form-control,
        .lead-form-wrap .form-select {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            border-radius: 12px;
            padding: 14px 18px;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .lead-form-wrap .form-control::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .lead-form-wrap .form-control:focus,
        .lead-form-wrap .form-select:focus {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--brand-accent);
            box-shadow: 0 0 0 0.25rem rgba(201, 168, 124, 0.15);
            color: #fff;
        }
        .lead-form-wrap .form-select option {
            color: var(--text-main);
            background: #fff;
        }
        .lead-form-wrap .form-label {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 6px;
        }

        .lead-form-wrap .btn-primary-custom {
            background: var(--brand-accent);
            border-color: var(--brand-accent);
            color: var(--brand-green-dark);
            width: 100%;
            font-weight: 700;
            padding: 14px;
        }
        .lead-form-wrap .btn-primary-custom:hover {
            background: #d4b68a;
            border-color: #d4b68a;
            color: var(--brand-green-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 168, 124, 0.35);
        }

        .lead-contact-info {
            color: rgba(255, 255, 255, 0.9);
            margin-top: 28px;
            font-size: 0.92rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .lead-contact-info i {
            color: var(--brand-accent);
            font-size: 1.2rem;
        }

        /* ============ 数据指标 ============ */
        .stats-band {
            background: var(--bg-soft);
            padding: 60px 0;
            border-top: 1px solid var(--border-light);
        }

        .stats-item {
            text-align: center;
            padding: 20px;
        }
        .stats-item .stats-num {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--brand-green);
            line-height: 1.2;
            font-family: "Arial Black", sans-serif;
        }
        .stats-item .stats-label {
            font-size: 0.95rem;
            color: var(--text-sub);
            margin-top: 8px;
            letter-spacing: 0.05em;
        }

        /* ============ FAQ ============ */
        .faq {
            background: #fff;
        }

        .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            background: var(--bg-soft);
            overflow: hidden;
        }
        .accordion-button {
            background: transparent;
            color: var(--text-main);
            font-weight: 600;
            font-size: 1rem;
            padding: 20px 24px;
            border: none;
        }
        .accordion-button:not(.collapsed) {
            background: var(--brand-green);
            color: #fff;
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--brand-green);
        }
        .accordion-button::after {
            background-image: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\2b";
            color: var(--brand-green);
        }
        .accordion-button:not(.collapsed)::after {
            content: "\f068";
            color: #fff;
        }
        .accordion-body {
            padding: 20px 24px;
            color: var(--text-sub);
            font-size: 0.94rem;
            line-height: 1.8;
        }

        /* ============ CTA ============ */
        .cta-bottom {
            background: linear-gradient(120deg, var(--brand-green-dark), var(--brand-green));
            padding: 80px 0;
            color: #fff;
            text-align: center;
        }
        .cta-bottom h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-bottom p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

        .cta-bottom .btn-primary-custom {
            background: var(--brand-accent);
            border-color: var(--brand-accent);
            color: var(--brand-green-dark);
            font-weight: 700;
        }
        .cta-bottom .btn-primary-custom:hover {
            background: #d4b68a;
            border-color: #d4b68a;
        }

        .cta-phone {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--brand-accent);
            margin-top: 24px;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 80px 0 0;
        }
        .site-footer h6 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .site-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer p,
        .site-footer li {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer li {
            margin-bottom: 6px;
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer a:hover {
            color: var(--brand-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
            margin-top: 50px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-social a {
            display: inline-flex;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--brand-accent);
            color: #fff;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .section-padding {
                padding: 70px 0;
            }
            .hero h1 {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .hero-image-wrap {
                margin-left: 0;
                margin-top: 40px;
            }
            .hero-image-wrap img {
                height: 420px;
            }
            .process-step::after {
                display: none;
            }
            .process-step {
                margin-bottom: 36px;
            }
            .lead-form-wrap {
                padding: 40px 30px;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
            .hero {
                padding: 50px 0;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-lead {
                font-size: 1rem;
            }
            .hero-kpis {
                gap: 16px;
            }
            .hero-kpi-item .num {
                font-size: 1.7rem;
            }
            .hero-float-card {
                display: none;
            }
            .hero-image-wrap img {
                height: 320px;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .stats-item .stats-num {
                font-size: 2.2rem;
            }
            .lead-form-wrap {
                padding: 36px 24px;
                border-radius: 16px;
            }
            .lead-form-wrap h3 {
                font-size: 1.5rem;
            }
            .cta-bottom {
                padding: 60px 0;
            }
            .cta-bottom h2 {
                font-size: 1.6rem;
            }
            .site-footer {
                padding-top: 50px;
            }
        }

        @media (max-width: 520px) {
            .section-padding {
                padding: 44px 0;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-ctas .btn {
                width: 100%;
            }
            .service-card img {
                height: 180px;
            }
            .news-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .news-list-item .date {
                align-self: flex-start;
            }
            .lead-form-wrap {
                padding: 30px 18px;
            }
            .header-phone {
                display: none;
            }
            .footer-bottom {
                font-size: 0.8rem;
            }
        }

        /* ============ 无障碍 ============ */
        a:focus-visible,
        button:focus-visible,
        .accordion-button:focus-visible {
            outline: 3px solid var(--brand-accent);
            outline-offset: 2px;
        }

        /* ============ 成功提示 ============ */
        .form-success {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 12px;
            padding: 16px 20px;
            color: #fff;
            font-size: 0.95rem;
            margin-top: 16px;
            display: none;
        }
        .form-success.show {
            display: block;
        }

/* roulang page: category1 */
:root {
            --primary: #2c5e4f;
            --primary-dark: #1c4036;
            --primary-soft: #eaf2ef;
            --accent: #c6a664;
            --accent-dark: #a9884a;
            --dark: #12281f;
            --darker: #0c1d17;
            --body-bg: #f7f4ee;
            --white: #fff;
            --text: #2b2b2b;
            --muted: #6e6a63;
            --border: #e6ddd0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 12px 35px rgba(25, 60, 45, .08);
            --shadow-lg: 0 24px 60px rgba(25, 60, 45, .14);
            --transition: .25s ease;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--body-bg);
            color: var(--text);
            line-height: 1.75;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), box-shadow var(--transition);
        }

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

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
        }

        .container {
            max-width: 1200px;
        }

        .site-header {
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .site-header .navbar {
            padding: 14px 0;
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.16rem;
            color: var(--primary-dark);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: .5px;
        }

        .navbar-brand i {
            color: var(--accent);
            font-size: 1.2rem;
        }

        .navbar-brand:hover {
            color: var(--primary);
        }

        .navbar-toggler {
            border: none;
            color: var(--primary-dark);
            padding: 8px 12px;
            font-size: 1.35rem;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .nav-link {
            color: var(--text);
            font-weight: 500;
            padding: .5rem 1rem;
            border-radius: 999px;
            font-size: .95rem;
            transition: all var(--transition);
        }

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

        .nav-link.active {
            background: var(--primary);
            color: #fff !important;
            box-shadow: 0 6px 18px rgba(44, 94, 79, .3);
        }

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

        .header-phone {
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            padding: .55rem 1.4rem;
            font-weight: 600;
            font-size: .9rem;
            letter-spacing: .3px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .header-phone:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(44, 94, 79, .25);
        }

        .breadcrumb-nav {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
        }

        .breadcrumb {
            margin-bottom: 0;
            background: transparent;
        }

        .breadcrumb-item {
            font-size: .88rem;
        }

        .breadcrumb-item a {
            color: var(--muted);
            transition: color var(--transition);
        }

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

        .breadcrumb-item.active {
            color: var(--primary-dark);
            font-weight: 500;
        }

        .breadcrumb-item+.breadcrumb-item::before {
            content: "›";
            color: #c0b8ac;
        }

        .category-hero {
            background: linear-gradient(135deg, #0b1d16 0%, #173f31 55%, #255347 100%);
            color: #fff;
            padding: 90px 0 90px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 25%;
            opacity: .22;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(198, 166, 100, .28), transparent 70%);
            border-radius: 50%;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 999px;
            padding: .4rem 1rem;
            font-size: .82rem;
            letter-spacing: 1px;
            margin-bottom: 22px;
            backdrop-filter: blur(4px);
        }

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

        .category-hero h1 {
            font-size: clamp(1.9rem, 3.4vw, 2.9rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }

        .category-hero .lead {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, .88);
            max-width: 560px;
            margin-bottom: 26px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 999px;
            padding: .8rem 1.9rem;
            font-weight: 600;
            font-size: .98rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(198, 166, 100, .35);
        }

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

        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, .5);
            color: #fff;
            border-radius: 999px;
            padding: .8rem 1.9rem;
            font-weight: 600;
            font-size: .98rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: .88rem;
            color: rgba(255, 255, 255, .85);
        }

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

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

        .booking-panel {
            background: #fff;
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 25px 60px rgba(0, 0, 0, .25);
            color: var(--text);
            max-width: 480px;
            margin-left: auto;
        }

        .panel-title {
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 4px;
            font-size: 1.25rem;
        }

        .panel-title i {
            color: var(--accent);
            margin-right: 6px;
        }

        .panel-subtitle {
            color: var(--muted);
            font-size: .88rem;
            margin-bottom: 20px;
        }

        .panel-label {
            font-weight: 600;
            color: var(--dark);
            font-size: .85rem;
            margin-bottom: 8px;
            display: block;
        }

        .chip-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
        }

        .chip {
            border: 1px solid var(--border);
            background: #fff;
            border-radius: 999px;
            padding: .35rem 1rem;
            font-size: .83rem;
            color: var(--text);
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .chip:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(44, 94, 79, .25);
        }

        .panel-form .form-control {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: .6rem 1rem;
            font-size: .9rem;
            color: var(--text);
            background: #faf8f5;
        }

        .panel-form .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(44, 94, 79, .1);
            background: #fff;
        }

        .panel-status {
            background: var(--primary-soft);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: .84rem;
            color: var(--primary-dark);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #4caf50;
            display: inline-block;
            box-shadow: 0 0 0 4px rgba(76, 175, 80, .15);
        }

        .panel-hint {
            font-size: .78rem;
            color: var(--muted);
            text-align: center;
            margin-top: 12px;
            margin-bottom: 0;
        }

        .section-padding {
            padding: 88px 0;
        }

        .section-heading {
            margin-bottom: 52px;
        }

        .section-subtitle {
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 2px;
            font-size: .85rem;
            margin-bottom: 8px;
            display: block;
        }

        .section-title {
            font-size: clamp(1.6rem, 2.6vw, 2.2rem);
            font-weight: 700;
            color: var(--dark);
            line-height: 1.35;
            margin-bottom: 10px;
        }

        .section-desc {
            color: var(--muted);
            font-size: .98rem;
            max-width: 640px;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 30px;
            height: 100%;
            box-shadow: var(--shadow);
            border: 1px solid rgba(230, 221, 208, .5);
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .4s ease;
        }

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

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: .9rem;
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .stats-section {
            background: linear-gradient(135deg, #0e241c 0%, #1c4036 60%, #285c4c 100%);
            color: #fff;
            padding: 78px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: .1;
        }

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

        .stats-number {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            letter-spacing: 1px;
        }

        .stats-label {
            font-size: .9rem;
            color: rgba(255, 255, 255, .75);
            margin-top: 10px;
            letter-spacing: 1px;
        }

        .scene-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
            height: 100%;
            border: 1px solid rgba(230, 221, 208, .5);
        }

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

        .scene-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }

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

        .scene-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .scene-card p {
            font-size: .88rem;
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

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

        .process-step {
            position: relative;
            padding-left: 78px;
            padding-bottom: 44px;
            min-height: 100px;
        }

        .process-step:last-child {
            padding-bottom: 0;
        }

        .process-step::before {
            content: "";
            position: absolute;
            left: 24px;
            top: 52px;
            bottom: 4px;
            width: 2px;
            background: var(--border);
        }

        .process-step:last-child::before {
            display: none;
        }

        .step-num {
            position: absolute;
            left: 0;
            top: 0;
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 8px 20px rgba(44, 94, 79, .28);
            z-index: 1;
        }

        .step-num::after {
            content: "";
            position: absolute;
            inset: -5px;
            border-radius: 50%;
            border: 1px dashed rgba(44, 94, 79, .3);
        }

        .process-step h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .process-step p {
            font-size: .88rem;
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

        .faq-section .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: #fff;
            box-shadow: 0 4px 14px rgba(25, 60, 45, .04);
        }

        .faq-section .accordion-button {
            font-weight: 600;
            color: var(--text);
            background: #fff;
            padding: 1.1rem 1.4rem;
            font-size: .95rem;
            box-shadow: none;
            transition: all var(--transition);
        }

        .faq-section .accordion-button:not(.collapsed) {
            background: var(--primary-soft);
            color: var(--primary-dark);
        }

        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(44, 94, 79, .08);
        }

        .faq-section .accordion-button::after {
            background-size: 1rem;
            transition: transform var(--transition);
        }

        .faq-section .accordion-body {
            padding: 1.2rem 1.4rem;
            color: var(--muted);
            font-size: .9rem;
            line-height: 1.75;
            border-top: 1px solid var(--border);
        }

        .cta-section {
            padding: 90px 0;
            background: #fff;
        }

        .cta-box {
            background: linear-gradient(135deg, #0e241c 0%, #1c4036 60%, #2c5e4f 100%);
            border-radius: 24px;
            padding: 56px 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(198, 166, 100, .3), transparent 70%);
            border-radius: 50%;
        }

        .cta-box h2 {
            font-size: clamp(1.6rem, 2.6vw, 2.1rem);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-box p {
            color: rgba(255, 255, 255, .85);
            font-size: .97rem;
            max-width: 640px;
            margin-bottom: 26px;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .cta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 28px;
            font-size: .88rem;
            color: rgba(255, 255, 255, .8);
        }

        .cta-info span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .cta-info i {
            color: var(--accent);
        }

        .site-footer {
            background: #0b1a14;
            color: rgba(255, 255, 255, .75);
            padding: 68px 0 0;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            margin-bottom: 12px;
        }

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

        .site-footer p {
            font-size: .88rem;
            line-height: 1.7;
            margin-bottom: 8px;
        }

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

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .2);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .7);
            font-size: .88rem;
            transition: all var(--transition);
        }

        .footer-social a:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        .site-footer h6 {
            color: #fff;
            font-size: .95rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }

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

        .site-footer ul li {
            font-size: .86rem;
            margin-bottom: 8px;
            line-height: 1.55;
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, .65);
            transition: all var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 18px 0;
            margin-top: 48px;
            text-align: center;
            font-size: .82rem;
            color: rgba(255, 255, 255, .45);
        }

        .footer-bottom p {
            margin-bottom: 0;
        }

        @media (max-width: 991.98px) {
            .category-hero {
                padding: 64px 0;
            }

            .booking-panel {
                margin: 40px auto 0;
                max-width: 540px;
            }

            .navbar-collapse {
                padding: 12px 0 6px;
            }

            .nav-link {
                padding: .6rem 1rem;
            }

            .header-phone {
                display: none;
            }

            .stats-number {
                font-size: 2.2rem;
            }

            .stats-section .col-md-3 {
                margin-bottom: 30px;
            }
        }

        @media (max-width: 767.98px) {
            .section-padding {
                padding: 60px 0;
            }

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

            .category-hero .lead {
                font-size: .96rem;
            }

            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }

            .hero-points {
                gap: 12px;
                font-size: .82rem;
            }

            .booking-panel {
                padding: 22px;
            }

            .process-step {
                padding-left: 0;
                padding-bottom: 32px;
            }

            .process-step::before {
                display: none;
            }

            .step-num {
                position: relative;
                margin-bottom: 14px;
            }

            .cta-box {
                padding: 38px 24px;
            }

            .cta-buttons .btn {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 519.98px) {
            .site-header .navbar {
                padding: 10px 0;
            }

            .navbar-brand {
                font-size: 1rem;
            }

            .breadcrumb-nav {
                padding: 8px 0;
            }

            .category-hero {
                padding: 48px 0;
            }

            .panel-form .d-flex {
                flex-direction: column;
                gap: 10px;
            }

            .chip-group {
                gap: 6px;
            }

            .chip {
                font-size: .78rem;
                padding: .3rem .8rem;
            }

            .stats-number {
                font-size: 1.9rem;
            }

            .scene-card img {
                height: 170px;
            }

            .cta-info {
                flex-direction: column;
                gap: 10px;
            }
        }