:root {
            --primary: #0e3b2e;
            --primary-dark: #092a20;
            --primary-light: #1a5c47;
            --accent: #c8a46e;
            --accent-light: #edd9b8;
            --bg: #f8f6f1;
            --bg-dark: #0b2b22;
            --bg-white: #ffffff;
            --text: #1a2a24;
            --text-muted: #6b7a73;
            --border: #e5e0d8;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow: 0 4px 24px rgba(0, 0, 0, .06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, .12);
            --transition: all .3s ease;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 16px rgba(0, 0, 0, .03);
        }
        .navbar {
            padding-top: 12px;
            padding-bottom: 12px;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--text) !important;
            line-height: 1.2;
        }
        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: var(--accent);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .brand-sub {
            display: block;
            font-size: .75rem;
            font-weight: 500;
            color: var(--text-muted);
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            color: var(--text) !important;
            padding: .5rem 1rem !important;
            border-radius: 8px;
            position: relative;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary) !important;
        }
        .navbar-nav .nav-link.active {
            color: var(--primary) !important;
            font-weight: 600;
        }
        .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 1rem;
            right: 1rem;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .btn-nav-cta {
            background: var(--primary);
            color: #fff !important;
            border-radius: 50px;
            padding: .5rem 1.4rem;
            font-weight: 600;
            font-size: .95rem;
            transition: var(--transition);
            border: none;
        }
        .btn-nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(14, 59, 46, .3);
        }
        .navbar-toggler {
            border: none;
            font-size: 1.3rem;
            color: var(--text);
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* 按钮 */
        .btn {
            border-radius: 50px;
            padding: .6rem 1.6rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary {
            background: var(--primary);
            border: none;
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(14, 59, 46, .3);
        }
        .btn-outline-light-custom {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, .6);
            color: #fff;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, .15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            border: none;
            color: #fff;
        }
        .btn-accent:hover {
            background: #b18d5a;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 164, 110, .4);
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 90px 0 70px;
            color: #fff;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center/cover no-repeat;
            opacity: .35;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 43, 34, .55) 0%, rgba(11, 43, 34, .75) 100%);
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-inner {
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 50px;
            padding: .4rem 1.2rem;
            font-size: .85rem;
            font-weight: 500;
            margin-bottom: 24px;
            color: var(--accent);
            backdrop-filter: blur(8px);
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: #fff;
            letter-spacing: -0.5px;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, .85);
            max-width: 720px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .hero-ctas {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }
        .hero-stage {
            position: relative;
            max-width: 760px;
            margin: 0 auto;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, .15);
        }
        .hero-stage img {
            width: 100%;
            height: auto;
            display: block;
            min-height: 260px;
            object-fit: cover;
        }
        .hero-stage-float {
            position: absolute;
            background: rgba(255, 255, 255, .95);
            border-radius: 12px;
            padding: 12px 18px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: .9rem;
            color: var(--text);
            box-shadow: var(--shadow-lg);
            backdrop-filter: blur(8px);
        }
        .hero-stage-float .icon-wrap {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: .9rem;
        }
        .hero-stage-float.f1 {
            top: 20px;
            left: 16px;
        }
        .hero-stage-float.f2 {
            bottom: 20px;
            right: 16px;
        }
        .hero-metrics {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 40px;
        }
        .hero-metric {
            text-align: center;
            min-width: 90px;
        }
        .hero-metric span {
            display: block;
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .hero-metric small {
            font-size: .85rem;
            color: rgba(255, 255, 255, .75);
        }

        /* 通用区块 */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-dark {
            background: var(--bg-dark);
            color: #fff;
        }
        .section-head {
            margin-bottom: 50px;
        }
        .section-head .tag {
            display: inline-block;
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 640px;
            line-height: 1.7;
        }
        .section-head.light h2 {
            color: #fff;
        }
        .section-head.light p {
            color: rgba(255, 255, 255, .7);
        }

        /* 分类入口 */
        .category-card {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, .1);
        }
        .category-card::before {
            content: "";
            position: absolute;
            right: -60px;
            bottom: -60px;
            width: 220px;
            height: 220px;
            background: rgba(200, 164, 110, .15);
            border-radius: 50%;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .category-card .cat-icon {
            width: 56px;
            height: 56px;
            background: var(--accent);
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary-dark);
            margin-bottom: 20px;
        }
        .category-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .category-card p {
            color: rgba(255, 255, 255, .8);
            margin-bottom: 18px;
            max-width: 480px;
        }
        .category-card .link-more {
            color: var(--accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .category-card .link-more i {
            transition: transform .3s;
        }
        .category-card:hover .link-more i {
            transform: translateX(4px);
        }

        /* 指标看板 */
        .metric-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            height: 100%;
            transition: var(--transition);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .metric-card .metric-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .metric-card .metric-label {
            font-size: .95rem;
            color: var(--text-muted);
            margin-top: 8px;
        }
        .metric-card .metric-icon {
            font-size: 1.4rem;
            color: var(--accent);
            margin-bottom: 10px;
        }

        /* 服务矩阵 */
        .service-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
        }
        .service-card .card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .service-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .service-card:hover .card-img img {
            transform: scale(1.05);
        }
        .service-card .card-body {
            padding: 24px;
        }
        .service-card .card-body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .service-card .card-body p {
            color: var(--text-muted);
            font-size: .92rem;
            margin-bottom: 0;
        }
        .service-card .tag-row {
            margin-bottom: 12px;
        }
        .service-tag {
            display: inline-block;
            background: var(--accent-light);
            color: #7a5c2e;
            border-radius: 50px;
            padding: 2px 12px;
            font-size: .75rem;
            font-weight: 600;
        }

        /* 推荐列表 */
        .recommend-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
            position: relative;
        }
        .recommend-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .recommend-card .rc-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .recommend-card .rc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .recommend-card:hover .rc-img img {
            transform: scale(1.04);
        }
        .recommend-card .rc-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            font-size: .78rem;
            font-weight: 700;
            border-radius: 50px;
            padding: 4px 14px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .2);
        }
        .recommend-card .rc-body {
            padding: 22px;
        }
        .recommend-card .rc-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .recommend-card .rc-body .rc-location {
            font-size: .85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .recommend-card .rc-body .rc-desc {
            font-size: .92rem;
            color: var(--text-muted);
            margin-bottom: 14px;
        }
        .rc-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 14px;
        }
        .rc-tags span {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 6px;
            font-size: .75rem;
            padding: 2px 10px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .rc-score {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: .9rem;
            font-weight: 700;
            color: var(--primary);
        }
        .rc-score .stars {
            color: var(--accent);
            font-size: .8rem;
        }

        /* 对比区 */
        .compare-wrap {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .compare-col {
            padding: 40px 30px;
            text-align: center;
        }
        .compare-col.old-way {
            background: var(--bg);
            border-right: 1px solid var(--border);
        }
        .compare-col .cmp-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .compare-col .cmp-items {
            text-align: left;
            margin-bottom: 20px;
        }
        .compare-col .cmp-items li {
            list-style: none;
            padding: 6px 0;
            font-size: .95rem;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-muted);
        }
        .compare-col .cmp-items li i {
            color: var(--accent);
            font-size: .9rem;
        }
        .compare-col .cmp-items li.bad i {
            color: #c05543;
        }
        .compare-col .cmp-score {
            font-size: .85rem;
            color: var(--text-muted);
            background: var(--bg);
            border-radius: 12px;
            padding: 14px;
            margin-top: 16px;
        }
        .compare-col .cmp-score strong {
            color: var(--primary);
            font-size: 1.3rem;
            display: block;
        }

        /* 资讯 */
        .news-tabs {
            border-bottom: 2px solid var(--border);
            margin-bottom: 30px;
        }
        .news-tabs .nav-link {
            border: none;
            background: transparent;
            color: var(--text-muted);
            font-weight: 600;
            padding: .7rem 1.2rem;
            border-radius: 0;
            margin-right: 8px;
            position: relative;
        }
        .news-tabs .nav-link.active {
            color: var(--primary);
            background: transparent;
        }
        .news-tabs .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item:hover {
            padding-left: 8px;
        }
        .news-list-item .nli-date {
            font-size: .78rem;
            color: var(--text-muted);
            background: var(--bg);
            border-radius: 8px;
            padding: 4px 10px;
            white-space: nowrap;
            flex-shrink: 0;
            font-weight: 500;
        }
        .news-list-item .nli-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }
        .news-list-item .nli-title a {
            color: var(--text);
        }
        .news-list-item .nli-title a:hover {
            color: var(--primary);
        }
        .news-list-item .nli-desc {
            font-size: .88rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .news-sidebar {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            position: sticky;
            top: 100px;
        }
        .news-sidebar h5 {
            font-size: 1rem;
            font-weight: 700;
            border-bottom: 2px solid var(--border);
            padding-bottom: 12px;
            margin-bottom: 16px;
        }
        .news-sidebar .hot-item {
            display: flex;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border);
            font-size: .9rem;
            color: var(--text);
            align-items: baseline;
        }
        .news-sidebar .hot-item:last-child {
            border-bottom: none;
        }
        .news-sidebar .hot-item .rank {
            color: var(--accent);
            font-weight: 700;
            font-size: .9rem;
            min-width: 24px;
        }

        /* 评价墙 */
        .testimonial-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px;
            height: 100%;
            transition: var(--transition);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .testimonial-card .t-quote {
            font-size: 2rem;
            color: var(--accent);
            opacity: .3;
            line-height: 1;
            margin-bottom: 8px;
        }
        .testimonial-card .t-text {
            font-size: .95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .testimonial-card .t-person {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-card .t-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: .85rem;
        }
        .testimonial-card .t-name {
            font-size: .9rem;
            font-weight: 600;
        }
        .testimonial-card .t-loc {
            font-size: .78rem;
            color: var(--text-muted);
        }
        .testimonial-card .t-stars {
            color: var(--accent);
            font-size: .8rem;
            margin-left: auto;
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-item .faq-q {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            background: var(--bg-white);
        }
        .faq-item .faq-q .faq-icon {
            color: var(--accent);
            font-size: 1rem;
            flex-shrink: 0;
            transition: transform .3s;
        }
        .faq-item .faq-a {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .4s ease;
            color: var(--text-muted);
            font-size: .92rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-a {
            max-height: 500px;
            padding: 0 24px 20px;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* CTA 表单 */
        .cta-form-section {
            background: var(--bg-dark);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-form-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center/cover no-repeat;
            opacity: .2;
        }
        .cta-form-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-form-wrap {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: var(--radius-lg);
            padding: 48px;
            backdrop-filter: blur(12px);
            max-width: 860px;
            margin: 0 auto;
        }
        .cta-form-wrap h3 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-form-wrap p {
            color: rgba(255, 255, 255, .7);
            margin-bottom: 30px;
        }
        .cta-form-wrap .form-control {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 12px;
            color: #fff;
            padding: 14px 18px;
            font-size: .95rem;
        }
        .cta-form-wrap .form-control::placeholder {
            color: rgba(255, 255, 255, .5);
        }
        .cta-form-wrap .form-control:focus {
            background: rgba(255, 255, 255, .15);
            border-color: var(--accent);
            box-shadow: none;
        }
        .cta-form-wrap .form-label {
            color: rgba(255, 255, 255, .85);
            font-weight: 500;
            font-size: .9rem;
        }

        /* Footer */
        .site-footer {
            background: #081f18;
            color: rgba(255, 255, 255, .7);
            padding: 60px 0 24px;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .site-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: block;
            margin-bottom: 12px;
        }
        .site-footer .footer-sub {
            font-size: .8rem;
            color: rgba(255, 255, 255, .5);
            display: block;
            margin-bottom: 12px;
        }
        .site-footer .footer-desc {
            font-size: .9rem;
            margin-bottom: 20px;
            max-width: 320px;
        }
        .site-footer .footer-links li {
            list-style: none;
            padding: 4px 0;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, .7);
            font-size: .9rem;
        }
        .site-footer .footer-links a:hover {
            color: var(--accent);
        }
        .site-footer .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: rgba(255, 255, 255, .08);
            border-radius: 50%;
            color: rgba(255, 255, 255, .7);
            margin-right: 8px;
            font-size: .9rem;
        }
        .site-footer .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 24px;
            margin-top: 40px;
            font-size: .82rem;
            color: rgba(255, 255, 255, .45);
        }

        /* 响应式 */
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.1rem;
            }
            .hero-stage-float.f1,
            .hero-stage-float.f2 {
                display: none;
            }
            .compare-col.old-way {
                border-right: none;
                border-bottom: 1px solid var(--border);
            }
            .section {
                padding: 60px 0;
            }
        }
        @media (max-width: 768px) {
            .hero {
                padding: 60px 0 50px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: .95rem;
            }
            .hero-metrics {
                gap: 20px;
            }
            .hero-metric span {
                font-size: 1.4rem;
            }
            .section-head h2 {
                font-size: 1.6rem;
            }
            .category-card {
                padding: 32px 28px;
            }
            .cta-form-wrap {
                padding: 28px 20px;
            }
            .navbar-brand .brand-sub {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.4rem;
            }
            .hero-ctas .btn {
                width: 100%;
                margin-bottom: 8px;
            }
            .hero-metric {
                min-width: 70px;
            }
            .hero-metric span {
                font-size: 1.2rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 1.4rem;
            }
            .metric-card .metric-num {
                font-size: 2rem;
            }
            .news-list-item {
                flex-direction: column;
                gap: 6px;
            }
        }

        /* 浮动CTA */
        .float-cta {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 999;
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            padding: 12px 20px;
            font-weight: 600;
            box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .float-cta:hover {
            transform: translateY(-4px);
            background: #b18d5a;
            color: #fff;
            box-shadow: 0 12px 32px rgba(0, 0, 0, .3);
        }

:root {
  --primary: #1E5B50;
  --primary-dark: #12332C;
  --primary-light: #2D7A6D;
  --accent: #D6B36A;
  --accent-dark: #B89548;
  --bg: #F6F4EE;
  --surface: #FFFFFF;
  --text: #1C2825;
  --text-muted: #67726E;
  --border: #E3DDD0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.07);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.10);
  --space-section: 96px;
  --font-base: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-base); background: var(--bg); color: var(--text); line-height: 1.7; }
a { text-decoration: none; color: var(--primary); transition: color .2s; }
a:hover { color: var(--accent-dark); }
img { max-width: 100%; display: block; }
section { padding: var(--space-section) 0; }
.container { max-width: 1200px; }

.btn { border-radius: 50px; padding: 12px 28px; font-weight: 600; transition: all .25s ease; }
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline-light { border-width: 2px; }
.btn-outline-light:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }
.btn-nav-cta { background: var(--accent); border-color: var(--accent); color: #1C2825; font-size: 0.9rem; padding: 8px 20px; }
.btn-nav-cta:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }

/* ===== 导航 ===== */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1030; background: rgba(18,51,44,0.92); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.06); transition: box-shadow .3s, background .3s; }
.site-header.scrolled { box-shadow: var(--shadow-lg); background: rgba(18,51,44,0.98); }
.site-header .navbar { padding: 10px 0; }
.navbar-brand { display: flex; align-items: center; gap: 10px; color: #fff !important; }
.navbar-brand .brand-mark { width: 40px; height: 40px; border-radius: 12px; background: linear-gradient(135deg, var(--accent), #8a6a3a); display: flex; align-items: center; justify-content: center; color: #1C2825; font-size: 18px; flex-shrink: 0; }
.navbar-brand .brand-text { font-size: 18px; font-weight: 700; display: flex; flex-direction: column; line-height: 1.2; color: #fff; }
.navbar-brand .brand-sub { font-size: 12px; font-weight: 400; color: rgba(255,255,255,0.8); letter-spacing: 1px; }
.navbar-nav .nav-link { color: rgba(255,255,255,0.85) !important; font-weight: 500; padding: 8px 20px !important; border-radius: 50px; margin: 0 4px; }
.navbar-nav .nav-link:hover { color: var(--accent) !important; background: rgba(255,255,255,0.05); }
.navbar-nav .nav-link.active { color: #fff !important; background: var(--primary-light); }
.navbar-toggler { border: none; color: #fff; font-size: 20px; padding: 4px 8px; }
.navbar-toggler:focus { box-shadow: none; }

/* ===== Hero ===== */
.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat; position: relative; padding: 140px 0 80px; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(18,51,44,0.55) 0%, rgba(18,51,44,0.85) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 820px; margin: 0 auto; padding: 0 16px; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); color: #fff; font-weight: 800; letter-spacing: 2px; margin-bottom: 20px; line-height: 1.25; }
.hero .hero-sub { color: rgba(255,255,255,0.9); font-size: 1.15rem; margin-bottom: 32px; line-height: 1.8; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(214,179,106,0.15); border: 1px solid rgba(214,179,106,0.4); padding: 8px 18px; border-radius: 50px; color: var(--accent); margin-bottom: 24px; font-weight: 500; font-size: 0.95rem; }
.btn-play { width: 80px; height: 80px; border-radius: 50%; background: rgba(255,255,255,0.15); border: 2px solid rgba(255,255,255,0.6); display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 26px; margin-bottom: 28px; transition: all .3s; backdrop-filter: blur(8px); cursor: pointer; }
.btn-play:hover { background: var(--accent); border-color: var(--accent); color: #1C2825; transform: scale(1.08); box-shadow: 0 0 40px rgba(214,179,106,0.5); }
.btn-play:focus { outline: none; box-shadow: 0 0 0 4px rgba(214,179,106,0.4); }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-actions .btn { min-width: 180px; }

/* ===== 统计看板 ===== */
.stats { padding: 80px 0; background: var(--surface); border-bottom: 1px solid var(--border); }
.stats-item { text-align: center; padding: 24px 16px; border-radius: var(--radius-md); transition: background .3s, transform .3s; }
.stats-item:hover { background: var(--bg); transform: translateY(-4px); }
.stats-item .stats-num { font-size: 2.8rem; font-weight: 800; color: var(--primary); line-height: 1.1; }
.stats-item .stats-num span { font-size: 1.5rem; font-weight: 400; margin-left: 2px; }
.stats-item .stats-label { font-size: 1rem; color: var(--text-muted); margin-top: 8px; }

/* ===== 通用标题 ===== */
.section-head { margin-bottom: 48px; }
.section-head .eyebrow { display: inline-block; font-size: 0.85rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--accent-dark); margin-bottom: 8px; }
.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 700; color: var(--text); margin-bottom: 12px; line-height: 1.3; }
.section-head p { color: var(--text-muted); max-width: 640px; font-size: 1.05rem; }
.text-center .section-head p { margin: 0 auto; }

/* ===== 服务矩阵 ===== */
.services { background: var(--bg); border-bottom: 1px solid var(--border); }
.service-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; height: 360px; box-shadow: var(--shadow-md); transition: transform .3s, box-shadow .3s; }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.service-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.service-card:hover img { transform: scale(1.05); }
.service-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(0,0,0,0.75) 100%); }
.service-body { position: absolute; z-index: 2; padding: 24px; bottom: 0; left: 0; right: 0; color: #fff; }
.service-body h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
.service-body p { font-size: 0.9rem; color: rgba(255,255,255,0.85); margin-bottom: 0; }
.service-tag { position: absolute; top: 16px; left: 16px; z-index: 3; background: rgba(214,179,106,0.92); color: #1C2825; font-size: 0.8rem; font-weight: 700; padding: 6px 12px; border-radius: 50px; }

/* ===== 结果对比 ===== */
.compare { background: var(--surface); border-bottom: 1px solid var(--border); }
.compare-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.compare-box { border-radius: var(--radius-lg); padding: 40px 32px; box-shadow: var(--shadow-md); }
.compare-box.bad { background: #FBF1F1; border: 1px solid #EACECE; }
.compare-box.good { background: #F0F7F3; border: 1px solid #C8DFD2; }
.compare-box h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 20px; }
.compare-box.bad h3 { color: #A85D5D; }
.compare-box.good h3 { color: var(--primary); }
.compare-box ul { list-style: none; padding: 0; margin: 0; }
.compare-box li { padding: 14px 0; border-bottom: 1px solid rgba(0,0,0,0.05); display: flex; align-items: flex-start; gap: 12px; font-size: 1rem; }
.compare-box li:last-child { border-bottom: none; }
.compare-box li i { font-size: 1.2rem; margin-top: 3px; }
.compare-box.bad li i { color: #C07A7A; }
.compare-box.good li i { color: var(--primary); }

/* ===== 适用场景 ===== */
.scenarios { background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat; position: relative; border-bottom: 1px solid rgba(255,255,255,0.1); }
.scenarios::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(18,51,44,0.92), rgba(18,51,44,0.82)); }
.scenarios .container { position: relative; z-index: 2; }
.scenarios .section-head h2 { color: #fff; }
.scenarios .section-head p { color: rgba(255,255,255,0.75); }
.scenario-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.scenario-card { background: rgba(255,255,255,0.08); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-lg); padding: 28px 20px; transition: all .3s; }
.scenario-card:hover { background: rgba(255,255,255,0.15); transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.scenario-card .icon-wrap { width: 56px; height: 56px; border-radius: 16px; background: var(--accent); color: #1C2825; font-size: 22px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.scenario-card h4 { color: #fff; font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.scenario-card p { color: rgba(255,255,255,0.75); font-size: 0.9rem; margin-bottom: 0; }

/* ===== 流程 ===== */
.process { background: var(--bg); border-bottom: 1px solid var(--border); }
.process-wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.process-step { text-align: center; padding: 0 16px; position: relative; }
.process-step:not(:last-child)::after { content: ""; position: absolute; top: 42px; right: -30px; width: 60px; height: 2px; background: var(--border); }
.process-step .step-num { width: 84px; height: 84px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 1.8rem; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; box-shadow: 0 0 0 6px rgba(30,91,80,0.15); }
.process-step h4 { font-weight: 700; margin-bottom: 8px; font-size: 1.1rem; }
.process-step p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 0; }

/* ===== FAQ ===== */
.faq { background: var(--surface); border-bottom: 1px solid var(--border); }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.accordion-item { border: 1px solid var(--border) !important; border-radius: var(--radius-md) !important; margin-bottom: 16px; overflow: hidden; box-shadow: var(--shadow-sm); }
.accordion-button { font-weight: 600; color: var(--text); padding: 20px 24px; background: #fff; position: relative; padding-right: 56px; }
.accordion-button:not(.collapsed) { background: var(--primary); color: #fff; box-shadow: none; }
.accordion-button:focus { box-shadow: none; border-color: var(--primary); }
.accordion-button::after { background-image: none; font-family: "Font Awesome 6 Free"; content: "\f078"; font-weight: 900; position: absolute; right: 24px; width: auto; height: auto; transform: none; transition: transform .2s; }
.accordion-button:not(.collapsed)::after { transform: rotate(180deg); color: #fff; }
.accordion-body { padding: 20px 24px; color: var(--text-muted); line-height: 1.8; }

/* ===== CTA ===== */
.cta-form { background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat; position: relative; }
.cta-form::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(18,51,44,0.95), rgba(30,91,80,0.88)); }
.cta-form .container { position: relative; z-index: 2; }
.cta-form .section-head h2 { color: #fff; }
.cta-form .section-head p { color: rgba(255,255,255,0.8); }
.form-card { background: #fff; border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-lg); max-width: 740px; margin: 0 auto; }
.form-control { border-radius: 12px; padding: 14px 18px; border: 2px solid var(--border); font-size: 1rem; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(30,91,80,0.1); }
.form-label { font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-card .form-text { color: var(--text-muted); }

/* ===== 页脚 ===== */
.site-footer { background: #0F2A24; color: rgba(255,255,255,0.75); padding: 60px 0 0; }
.site-footer h5 { color: #fff; font-weight: 700; margin-bottom: 20px; font-size: 1.1rem; }
.site-footer .footer-brand { display: block; font-size: 1.35rem; font-weight: 800; color: #fff; margin-bottom: 6px; }
.site-footer .footer-sub { color: var(--accent); font-size: 0.9rem; display: block; margin-bottom: 12px; }
.site-footer .footer-desc { color: rgba(255,255,255,0.6); font-size: 0.9rem; line-height: 1.8; max-width: 340px; }
.footer-social a { display: inline-flex; width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,0.08); color: #fff; justify-content: center; align-items: center; margin-right: 8px; transition: all .3s; }
.footer-social a:hover { background: var(--accent); color: #1C2825; transform: translateY(-3px); }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,0.6); transition: all .2s; font-size: 0.95rem; }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); margin-top: 40px; padding: 20px 0; font-size: 0.85rem; color: rgba(255,255,255,0.45); }

/* ===== 视频模态框 ===== */
.video-modal .modal-content { border-radius: 20px; overflow: hidden; background: #0F2A24; border: none; }
.video-modal .modal-header { border-bottom: 1px solid rgba(255,255,255,0.1); background: rgba(255,255,255,0.04); }
.video-modal .modal-title { color: #fff; font-weight: 600; }
.video-modal .btn-close { filter: invert(1); }
.video-modal .modal-footer { border-top: 1px solid rgba(255,255,255,0.1); background: rgba(0,0,0,0.3); }
.video-modal .modal-footer p { color: rgba(255,255,255,0.6); }

/* ===== 响应式 ===== */
@media (max-width: 991px) {
  .stats-item .stats-num { font-size: 2.2rem; }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .process-wrap { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .process-step:not(:last-child)::after { display: none; }
  .compare-wrap { grid-template-columns: 1fr; }
  .navbar-collapse { background: rgba(18,51,44,0.98); border-radius: 16px; padding: 16px; margin-top: 12px; box-shadow: var(--shadow-lg); }
  .navbar-collapse .navbar-nav { text-align: center; }
  .navbar-collapse .nav-cta { text-align: center; margin-top: 12px; }
  .hero { min-height: 85vh; padding-top: 120px; }
}

@media (max-width: 767px) {
  section { padding: 64px 0; }
  .hero h1 { font-size: 2rem; }
  .hero-sub { font-size: 1rem !important; }
  .hero-actions .btn { min-width: 0; width: 100%; max-width: 260px; }
  .stats-row .col-6 { flex: 0 0 50%; max-width: 50%; }
  .service-card { height: 280px; }
  .scenario-grid { grid-template-columns: 1fr; }
  .process-wrap { grid-template-columns: 1fr; }
  .compare-box { padding: 28px 20px; }
  .form-card { padding: 24px 20px; }
  .site-footer { padding-top: 40px; }
  .site-footer .footer-desc { max-width: none; }
}

@media (max-width: 520px) {
  .stats-item .stats-num { font-size: 1.8rem; }
  .stats-item .stats-label { font-size: 0.85rem; }
  .scenario-grid { grid-template-columns: 1fr; }
  .compare-box { padding: 24px 16px; }
  .accordion-button { padding: 16px 20px; padding-right: 48px; }
  .accordion-button::after { right: 16px; }
  .navbar-brand .brand-text { font-size: 16px; }
  .navbar-brand .brand-sub { font-size: 11px; }
}