/* roulang page: index */
:root {
            --primary: #5B8CA8;
            --primary-dark: #3D6E8A;
            --primary-light: #EAF2F7;
            --secondary: #F08A5D;
            --secondary-hover: #E07A4A;
            --success: #3E9B77;
            --bg-page: #F7FAFC;
            --bg-alt: #F0F4F7;
            --text-main: #1F2937;
            --text-sub: #6B7A86;
            --text-muted: #9AA7B1;
            --border-color: #E2E8EF;
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 20px rgba(59, 91, 116, 0.08);
            --shadow-hover: 0 12px 32px rgba(59, 91, 116, 0.14);
            --shadow-nav: 0 4px 24px rgba(59, 91, 116, 0.10);
            --space-section: 96px;
            --container-width: 1200px;
            --ease: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button {
            font-family: var(--font-main);
            cursor: pointer;
            border: none;
            background: none;
        }

        input {
            font-family: var(--font-main);
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 16px;
        }

        .section-space {
            padding: var(--space-section) 0;
        }

        .text-center {
            text-align: center;
        }

        .text-sub {
            color: var(--text-sub);
        }

        .text-muted {
            color: var(--text-muted);
        }

        /* ===== 悬浮导航 ===== */
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 100;
            padding: 0 20px;
            max-width: 1280px;
            margin: 0 auto;
        }

        .nav-wrap {
            background-color: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-nav);
            border: 1px solid rgba(255, 255, 255, 0.5);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        @supports not (backdrop-filter: blur(12px)) {
            .nav-wrap {
                background-color: rgba(255, 255, 255, 0.95);
            }
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            color: var(--text-sub);
            font-size: 15px;
            font-weight: 500;
        }

        .nav-links a:hover {
            color: var(--primary-dark);
            background-color: var(--primary-light);
        }

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

        .nav-cta a {
            padding: 10px 24px;
            border-radius: var(--radius-pill);
            background-color: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            display: inline-block;
            transition: var(--ease);
        }

        .nav-cta a:hover {
            background-color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(61, 110, 138, 0.25);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--text-main);
            border-radius: 2px;
            transition: var(--ease);
        }

        .mobile-menu {
            display: none;
            background-color: #fff;
            border-radius: 16px;
            margin-top: 8px !important;
            padding: 24px !important;
            box-shadow: var(--shadow-hover);
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-main);
            font-size: 16px;
            font-weight: 500;
            text-align: center;
        }

        .mobile-menu a.active {
            background-color: var(--primary-light);
            color: var(--primary);
        }

        .mobile-menu a:not(:last-child) {
            border-bottom: 1px solid var(--bg-alt);
        }

        /* ===== Hero ===== */
        .hero {
            min-height: calc(100vh - 120px);
            min-height: 640px;
            background: linear-gradient(135deg, #EAF2F7, #F7FAFC);
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            top: 20%;
            right: 10%;
            width: 300px;
            height: 300px;
            background-color: rgba(240, 138, 93, 0.08);
            border-radius: 50%;
            z-index: 0;
        }

        .hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%235B8CA8' stroke-opacity='0.06' stroke-width='1'%3E%3Ccircle cx='10' cy='10' r='1'/%3E%3Ccircle cx='40' cy='30' r='1'/%3E%3Ccircle cx='20' cy='50' r='1'/%3E%3Ccircle cx='50' cy='15' r='1'/%3E%3C/g%3E%3C/svg%3E");
            z-index: 0;
        }

        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content {
            padding: 40px 0;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: var(--text-main);
            margin-bottom: 20px;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-sub);
            margin-bottom: 32px;
            max-width: 480px;
            line-height: 1.7;
        }

        .hero-ctas {
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            padding: 14px 36px;
            border-radius: var(--radius-pill);
            background-color: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            display: inline-block;
            transition: var(--ease);
            text-align: center;
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(61, 110, 138, 0.3);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(61, 110, 138, 0.2);
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .btn-cta:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(240, 138, 93, 0.4);
            outline-offset: 2px;
        }

        .btn-secondary {
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-size: 16px;
            font-weight: 600;
            display: inline-block;
            transition: var(--ease);
            text-align: center;
        }

        .btn-secondary:hover {
            background-color: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px 0;
        }

        .hero-img-wrap {
            width: 100%;
            max-width: 560px;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
        }

        .hero-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 65%, rgba(59, 91, 116, 0.15));
            border-radius: 24px;
        }

        .hero-features {
            display: flex;
            gap: 24px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .hero-feature {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-sub);
        }

        .hero-feature i {
            color: var(--secondary);
            font-size: 16px;
        }

        /* ===== 信任数据条 ===== */
        .trustbar {
            background-color: #fff;
            border-bottom: 1px solid var(--border-color);
            padding: 32px 0;
        }

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

        .trust-item {
            padding: 8px;
        }

        .trust-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
        }

        .trust-label {
            font-size: 14px;
            color: var(--text-sub);
            margin-top: 4px;
        }

        /* ===== 热销产品 ===== */
        .featured-products {
            background-color: var(--bg-page);
        }

        .section-heading {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 48px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.3;
            position: relative;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 360px;
            text-align: right;
        }

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

        .product-card {
            background-color: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
            transition: var(--ease);
            display: flex;
            flex-direction: column;
        }

        .product-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .product-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
        }

        .product-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .product-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: var(--secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            box-shadow: 0 2px 8px rgba(240, 138, 93, 0.3);
        }

        .product-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .product-category {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }

        .product-category::before {
            content: "";
            width: 6px;
            height: 6px;
            background-color: var(--secondary);
            border-radius: 50%;
            display: inline-block;
        }

        .product-title {
            font-size: 19px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
            color: var(--text-main);
        }

        .product-summary {
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 16px;
            flex: 1;
            line-height: 1.6;
        }

        .product-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
        }

        .product-price {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
        }

        .product-price small {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 400;
        }

        .product-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            color: var(--secondary);
        }

        .product-rating span {
            color: var(--text-muted);
            font-size: 13px;
        }

        .btn-add {
            width: 100%;
            margin-top: 16px;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            transition: var(--ease);
            display: inline-block;
            text-align: center;
        }

        .btn-add:hover {
            background-color: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }

        /* ===== 评价轮播 ===== */
        .testimonials-section {
            background-color: var(--bg-alt);
        }

        .testimonial-slider {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding: 16px 4px 32px;
            scrollbar-width: none;
        }

        .testimonial-slider::-webkit-scrollbar {
            display: none;
        }

        .testimonial-card {
            scroll-snap-align: start;
            min-width: 360px;
            max-width: 360px;
            background-color: #fff;
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
            flex-shrink: 0;
        }

        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
        }

        .testimonial-avatar {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .testimonial-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
        }

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

        .testimonial-stars {
            color: var(--secondary);
            font-size: 16px;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }

        .testimonial-text {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        .testimonial-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 16px;
            display: block;
        }

        .slider-controls {
            display: flex;
            justify-content: flex-end;
            gap: 12px;
            margin-top: 16px;
        }

        .slider-btn {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: #fff;
            border: 1px solid var(--border-color);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--ease);
            font-size: 18px;
        }

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

        /* ===== 保障条 ===== */
        .guarantee-section {
            background-color: #fff;
            border-top: 1px solid var(--bg-alt);
            border-bottom: 1px solid var(--bg-alt);
        }

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

        .guarantee-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 16px;
        }

        .guarantee-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 16px;
        }

        .guarantee-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .guarantee-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* ===== CMS 资讯 ===== */
        .cms-section {
            background-color: var(--bg-page);
        }

        .cms-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: start;
        }

        .cms-heading-wrap {
            position: sticky;
            top: 110px;
        }

        .cms-heading-wrap h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cms-heading-wrap p {
            color: var(--text-sub);
            font-size: 15px;
            margin-bottom: 24px;
            max-width: 360px;
        }

        .view-all {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            padding: 10px 20px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--primary);
            transition: var(--ease);
        }

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

        .cms-news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .cms-news-item {
            display: flex;
            gap: 20px;
            background-color: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
            transition: var(--ease);
            align-items: flex-start;
        }

        .cms-news-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .cms-news-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

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

        .cms-news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .cms-news-category {
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
        }

        .cms-news-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        .cms-news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .cms-news-excerpt {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .cms-news-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .cms-news-link:hover {
            color: var(--primary-dark);
        }

        .cms-empty {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background-color: #fff;
            border-radius: var(--radius-lg);
            padding: 48px 24px;
            border: 1px dashed var(--border-color);
        }

        .cms-empty-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background-color: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .cms-empty-text {
            font-size: 15px;
            color: var(--text-sub);
        }

        /* ===== CTA 横幅 ===== */
        .cta-banner {
            background-color: var(--primary-dark);
            position: relative;
            overflow: hidden;
            padding: 72px 0;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-banner::after {
            content: "";
            position: absolute;
            bottom: -40px;
            left: 30%;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }

        .cta-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 32px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .cta-text h3 {
            font-size: 28px;
            color: #fff;
            margin-bottom: 8px;
            font-weight: 700;
        }

        .cta-text p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 15px;
        }

        .btn-cta {
            display: inline-block;
            padding: 14px 40px;
            border-radius: var(--radius-pill);
            background-color: #fff;
            color: var(--primary-dark);
            font-size: 16px;
            font-weight: 600;
            transition: var(--ease);
            text-align: center;
            white-space: nowrap;
        }

        .btn-cta:hover {
            background-color: rgba(255, 255, 255, 0.9);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            color: var(--primary-dark);
        }

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

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--bg-alt);
            border-radius: 12px;
            margin-bottom: 16px;
            overflow: hidden;
        }

        .faq-question {
            padding: 24px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: var(--ease);
        }

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

        .faq-toggle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
            transition: var(--ease);
        }

        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
            background-color: var(--secondary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, opacity 0.3s ease;
            opacity: 0;
            padding: 0 28px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            opacity: 1;
            padding-bottom: 24px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background-color: var(--primary-dark);
            color: rgba(255, 255, 255, 0.9);
            padding: 64px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 22px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            background-color: rgba(255, 255, 255, 0.2);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 16px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }

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

        .footer-links li a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            transition: var(--ease);
            display: inline-block;
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 12px;
        }

        .footer-contact i {
            width: 16px;
            color: var(--secondary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: underline;
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --space-section: 80px;
            }

            .hero-title {
                font-size: 40px;
            }

            .product-grid {
                gap: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (min-width: 768px) and (max-width: 1023px) {
            .product-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .hero .container {
                gap: 32px;
            }

            .hero-img-wrap {
                max-width: 100%;
            }

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

            .cms-heading-wrap {
                position: static;
            }

            .trustbar-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .testimonial-card {
                min-width: 320px;
                max-width: 320px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space-section: 64px;
            }

            .nav-wrap {
                padding: 10px 16px;
            }

            .nav-links,
            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

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

            .hero {
                min-height: auto;
                padding: 64px 0;
            }

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

            .hero-content {
                padding: 0;
                text-align: center;
            }

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

            .hero-subtitle {
                font-size: 16px;
                margin-left: auto;
                margin-right: auto;
            }

            .hero-ctas {
                justify-content: center;
            }

            .hero-features {
                justify-content: center;
            }

            .hero-img-wrap {
                max-width: 100%;
            }

            .section-heading {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 32px;
            }

            .section-desc {
                text-align: left;
            }

            .section-title {
                font-size: 26px;
            }

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

            .trustbar-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .trust-number {
                font-size: 24px;
            }

            .guarantee-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .testimonial-card {
                min-width: 280px;
                max-width: 280px;
            }

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

            .cms-news-item {
                flex-direction: column;
                padding: 20px;
            }

            .cms-news-icon {
                width: 40px;
                height: 40px;
                font-size: 16px;
            }

            .cta-inner {
                flex-direction: column;
                text-align: center;
            }

            .btn-cta {
                width: 100%;
            }

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

            .site-footer {
                padding: 48px 0 24px;
            }

            .faq-question {
                padding: 18px 20px;
                font-size: 15px;
            }

            .faq-answer {
                padding: 0 20px;
            }

            .faq-item.active .faq-answer {
                padding-bottom: 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

            .btn-primary,
            .btn-secondary {
                width: 100%;
                text-align: center;
            }

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

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #5B8CA8;
  --primary-dark: #3D6E8A;
  --primary-light: #EAF2F7;
  --secondary: #F08A5D;
  --secondary-dark: #E07A4A;
  --bg: #F7FAFC;
  --bg-alt: #F0F4F7;
  --text: #1F2937;
  --text-secondary: #6B7A86;
  --text-muted: #9AA7B1;
  --border: #E2E8EF;
  --success: #3E9B77;
  --white: #FFFFFF;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 4px 20px rgba(59, 91, 116, 0.08);
  --shadow-md: 0 12px 32px rgba(59, 91, 116, 0.14);
  --shadow-nav: 0 4px 24px rgba(59, 91, 116, 0.10);
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --container-max: 1200px;
  --space-section: 96px;
  --transition: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: var(--font-family);
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea {
  font-family: var(--font-family);
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section-space {
  padding: var(--space-section) 0;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: none;
}

.btn-secondary {
  background: var(--white);
  color: var(--primary);
  border-color: var(--primary);
}

.btn-secondary:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.btn-accent {
  background: var(--secondary);
  color: var(--white);
}

.btn-accent:hover {
  background: var(--secondary-dark);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-white:hover {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(255,255,255,0.25);
}

.btn:focus-visible {
  outline: 3px solid rgba(240, 138, 93, 0.4);
  outline-offset: 2px;
}

/* ===== 标签 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  background: var(--primary-light);
  color: var(--primary-dark);
}

.badge-accent {
  background: rgba(240, 138, 93, 0.12);
  color: var(--secondary-dark);
}

.badge-success {
  background: rgba(62, 155, 119, 0.12);
  color: var(--success);
}

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 14px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  pointer-events: none;
}

.site-header .nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-pill);
  padding: 10px 16px 10px 24px;
  box-shadow: var(--shadow-nav);
  max-width: 1200px;
  margin: 0 auto;
  border: 1px solid rgba(255,255,255,0.6);
  pointer-events: auto;
  transition: var(--transition);
}

.site-header .nav-wrap:hover {
  box-shadow: 0 8px 32px rgba(59, 91, 116, 0.14);
  background: rgba(255, 255, 255, 0.85);
}

.logo-text {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: var(--white);
  border-radius: 12px;
  font-size: 18px;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--primary);
  background: var(--primary-light);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  background: var(--primary);
  color: var(--white);
  flex-shrink: 0;
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero 区 ===== */
.category-hero {
  position: relative;
  padding: 180px 0 100px;
  background: linear-gradient(135deg, #EAF2F7, var(--bg) 70%);
  overflow: hidden;
}

.category-hero::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 420px;
  height: 420px;
  background: rgba(240, 138, 93, 0.06);
  border-radius: 50%;
  pointer-events: none;
}

.category-hero::after {
  content: "";
  position: absolute;
  bottom: 30px;
  left: 30px;
  width: 220px;
  height: 220px;
  background: rgba(91, 140, 168, 0.05);
  border-radius: 50%;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

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

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

.breadcrumb .sep {
  color: var(--border);
}

.category-hero h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 20px;
}

.category-hero h1 span {
  color: var(--primary);
}

.hero-desc {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 32px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-points {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.hero-point {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.hero-point i {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(240, 138, 93, 0.12);
  color: var(--secondary);
  border-radius: 50%;
  font-style: normal;
  font-size: 14px;
}

.hero-visual {
  position: relative;
}

.hero-visual .img-round {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.hero-visual .img-round img {
  width: 100%;
  height: 460px;
  object-fit: cover;
}

.hero-visual::before {
  content: "";
  position: absolute;
  top: 30px;
  left: -30px;
  width: 160px;
  height: 160px;
  background: rgba(240, 138, 93, 0.12);
  border-radius: 50%;
  z-index: -1;
}

/* ===== 板块标题 ===== */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}

.section-head.center {
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.section-head h2 span {
  color: var(--primary);
}

.section-head .sub {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 480px;
}

/* ===== 服务卡片 ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(91, 140, 168, 0.3);
}

.service-card .card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  background: var(--primary-light);
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-card:hover .card-icon {
  background: var(--primary);
  color: var(--white);
}

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.service-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.service-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}

.service-card .card-link:hover {
  color: var(--primary-dark);
  gap: 10px;
}

.service-card .price {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.service-card .price small {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
}

/* ===== 数据条 ===== */
.stats-section {
  background: var(--primary-dark);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 240px;
  height: 240px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50%;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.stat-item .num {
  font-size: 44px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}

.stat-item .num span {
  color: var(--secondary);
}

.stat-item .label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 6px;
}

/* ===== 流程 ===== */
.steps-section {
  background: var(--white);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  position: relative;
  padding: 32px 24px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
}

.step-card:hover {
  background: var(--primary-light);
  transform: translateY(-4px);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

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

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

/* ===== 场景 ===== */
.scene-section {
  background: var(--bg-alt);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.scene-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.scene-card .scene-img {
  height: 200px;
  overflow: hidden;
}

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

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

.scene-card .scene-body {
  padding: 24px 28px 28px;
}

.scene-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.scene-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.scene-body .scene-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--white);
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  background: var(--primary-light);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
}

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

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(91, 140, 168, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 400;
  color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: var(--white);
}

.faq-answer {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.9;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  opacity: 1;
  padding: 0 24px 20px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
  background: var(--primary-dark);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -60px;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.cta-section::after {
  content: "";
  position: absolute;
  bottom: -120px;
  left: -40px;
  width: 260px;
  height: 260px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-text h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 8px;
}

.cta-text p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
}

.cta-inner .btn-white {
  flex-shrink: 0;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #2F4B5C;
  color: rgba(255, 255, 255, 0.8);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo-text {
  color: var(--white);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  max-width: 320px;
}

.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-links li,
.footer-contact li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
}

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

.footer-contact li {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

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

.footer-bottom a:hover {
  color: var(--white);
}

/* ===== 移动端菜单 ===== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  z-index: 1100;
  padding: 80px 32px 40px;
  flex-direction: column;
}

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

.mobile-menu .close-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-light);
  font-size: 20px;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu a {
  padding: 16px 0;
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.mobile-menu a.active {
  color: var(--primary);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }
  .nav-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }

  .category-hero {
    padding: 160px 0 80px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-desc {
    max-width: 100%;
  }

  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  :root {
    --space-section: 64px;
  }

  .container {
    padding: 0 16px;
  }

  .site-header {
    top: 10px;
    padding: 0 12px;
  }

  .site-header .nav-wrap {
    padding: 8px 12px 8px 16px;
    border-radius: 20px;
  }

  .logo-text {
    font-size: 18px;
  }

  .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .category-hero {
    padding: 140px 0 60px;
  }

  .category-hero h1 {
    font-size: 30px;
  }

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

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-head h2 {
    font-size: 26px;
  }

  .service-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

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

  .stat-item .num {
    font-size: 32px;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-text h2 {
    font-size: 26px;
  }

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

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

  .hero-btns .btn {
    width: 100%;
  }
}

@media (max-width: 375px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
    --primary: #5B8CA8;
    --primary-dark: #3D6E8A;
    --primary-light: #EAF2F7;
    --secondary: #F08A5D;
    --secondary-dark: #E07A4A;
    --bg-page: #F7FAFC;
    --bg-alt: #F0F4F7;
    --bg-white: #FFFFFF;
    --text-main: #1F2937;
    --text-secondary: #6B7A86;
    --text-muted: #9AA7B1;
    --border: #E2E8EF;
    --success: #3E9B77;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-pill: 999px;
    --shadow-card: 0 4px 20px rgba(59, 91, 116, 0.08);
    --shadow-hover: 0 12px 32px rgba(59, 91, 116, 0.14);
    --shadow-nav: 0 4px 24px rgba(59, 91, 116, 0.10);
    --transition: all 0.25s ease;
    --container-width: 1200px;
    --section-space: 96px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-main);
    background-color: var(--bg-page);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

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

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

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

ul, ol {
    list-style: none;
}

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

/* ===== 导航 ===== */
.site-header {
    position: fixed;
    top: 12px;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: center;
    padding: 0 16px;
}

.nav-capsule {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(var(--container-width), 100%);
    padding: 10px 16px 10px 20px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-nav);
    border: 1px solid rgba(255, 255, 255, 0.6);
    gap: 16px;
}

@supports not (backdrop-filter: blur(12px)) {
    .nav-capsule {
        background: rgba(255, 255, 255, 0.95);
    }
}

.logo-text {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.01em;
    white-space: nowrap;
    flex-shrink: 0;
}

.logo-text:hover {
    color: var(--text-main);
}

.logo-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
}

.nav-links a {
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-dark);
    background: var(--primary-light);
}

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

.nav-btn {
    background: var(--primary);
    color: #fff !important;
    border-radius: var(--radius-pill);
    padding: 9px 24px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
    flex-shrink: 0;
}

.nav-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(59, 91, 116, 0.22);
    color: #fff !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    flex-shrink: 0;
}

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

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== 文章页 ===== */
.article-page {
    padding-top: 140px;
    padding-bottom: 40px;
}

.breadcrumb {
    max-width: 760px;
    margin: 0 auto 28px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
    flex-wrap: wrap;
}

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

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

.breadcrumb .sep {
    color: var(--text-muted);
    opacity: 0.5;
}

.breadcrumb .current {
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 280px;
}

.article-header {
    max-width: 760px;
    margin: 0 auto 32px;
}

.article-header h1 {
    font-size: 42px;
    line-height: 1.3;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 22px;
    letter-spacing: -0.01em;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    color: var(--text-secondary);
    font-size: 13px;
}

.meta-item .icon {
    color: var(--secondary);
    font-size: 14px;
}

.article-cover {
    max-width: 760px;
    margin: 0 auto 36px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.article-cover img {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.cms-article-content {
    max-width: 760px;
    margin: 0 auto 48px;
    font-size: 16px;
    line-height: 2;
    color: var(--text-main);
    word-wrap: break-word;
}

.cms-article-content p {
    margin-bottom: 24px;
}

.cms-article-content h2,
.cms-article-content h3,
.cms-article-content h4 {
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.4;
    margin-top: 40px;
    margin-bottom: 16px;
}

.cms-article-content h2 {
    font-size: 26px;
}

.cms-article-content h3 {
    font-size: 20px;
}

.cms-article-content h4 {
    font-size: 18px;
}

.cms-article-content ul,
.cms-article-content ol {
    margin: 16px 0 24px;
    padding-left: 24px;
}

.cms-article-content ul {
    list-style: disc;
}

.cms-article-content ol {
    list-style: decimal;
}

.cms-article-content li {
    margin-bottom: 8px;
}

.cms-article-content blockquote {
    border-left: 4px solid var(--primary);
    background: var(--primary-light);
    padding: 16px 24px;
    border-radius: 0 12px 12px 0;
    margin: 24px 0;
    color: var(--text-secondary);
    font-size: 15px;
}

.cms-article-content img {
    border-radius: var(--radius-lg);
    margin: 24px 0;
}

.cms-article-content figure {
    margin: 24px 0;
}

.cms-article-content figcaption {
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 8px;
}

.cms-article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 1px;
}

.cms-article-content a:hover {
    color: var(--primary-dark);
}

.cms-article-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 40px 0;
}

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

.cms-article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 15px;
}

.cms-article-content th,
.cms-article-content td {
    border: 1px solid var(--border);
    padding: 12px 16px;
    text-align: left;
}

.cms-article-content th {
    background: var(--bg-alt);
    font-weight: 600;
    color: var(--text-main);
}

.cms-article-content code {
    background: var(--bg-alt);
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 14px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

/* ===== 文章标签 ===== */
.article-tags {
    max-width: 760px;
    margin: 0 auto 56px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.article-tags .tag-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-right: 4px;
    align-self: center;
}

.article-tags .tag {
    background: var(--bg-alt);
    color: var(--text-secondary);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.article-tags .tag:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.article-tags .tag .hash {
    color: var(--primary);
    font-weight: 600;
}

/* ===== 未找到 ===== */
.not-found {
    max-width: 760px;
    margin: 0 auto 56px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 56px 32px;
    text-align: center;
    box-shadow: var(--shadow-card);
}

.not-found .nf-icon {
    width: 72px;
    height: 72px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
    color: var(--primary);
}

.not-found h2 {
    font-size: 24px;
    color: var(--text-main);
    margin-bottom: 12px;
}

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

.btn-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: #fff;
    padding: 12px 32px;
    border-radius: var(--radius-pill);
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-home:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 91, 116, 0.25);
    color: #fff;
}

/* ===== 相关推荐 ===== */
.related-section {
    background: var(--bg-white);
    border-top: 1px solid var(--border);
    padding: 72px 0;
}

.related-header {
    text-align: center;
    margin-bottom: 40px;
}

.related-header h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.01em;
}

.related-header p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-top: 8px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 760px;
    margin: 0 auto;
}

.related-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.related-card-img {
    position: relative;
    overflow: hidden;
    height: 170px;
}

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

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

.related-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(4px);
    border-radius: var(--radius-pill);
    padding: 4px 12px;
    font-size: 12px;
    color: var(--primary-dark);
    font-weight: 600;
}

.related-card-body {
    padding: 20px 22px 16px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.related-card-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
    line-height: 1.4;
}

.related-card-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

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

.related-card-link {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.related-card-link:hover {
    color: var(--primary-dark);
    gap: 8px;
}

/* ===== 返回入口 ===== */
.back-section {
    text-align: center;
    padding: 48px 0 8px;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    padding: 12px 30px;
    border-radius: var(--radius-pill);
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}

.btn-back:hover {
    border-color: var(--primary);
    color: var(--primary-dark);
    background: var(--primary-light);
    transform: translateX(-2px);
}

/* ===== CTA ===== */
.cta-section {
    padding: 48px 0 80px;
}

.cta-banner {
    background: var(--primary-dark);
    border-radius: 24px;
    padding: 56px 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    position: relative;
    overflow: hidden;
    color: #fff;
}

.cta-banner::before {
    content: '';
    position: absolute;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    top: -90px;
    right: -60px;
}

.cta-banner::after {
    content: '';
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    bottom: -40px;
    left: 30%;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.88);
    font-size: 15px;
    max-width: 460px;
}

.cta-banner .btn-white {
    background: #fff;
    color: var(--primary-dark);
    padding: 13px 36px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 15px;
    white-space: nowrap;
    transition: var(--transition);
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.cta-banner .btn-white:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    color: var(--primary-dark);
}

/* ===== 页脚 ===== */
.site-footer {
    background: #2F4B5C;
    color: rgba(255, 255, 255, 0.78);
    padding: 64px 0 0;
    margin-top: 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr 1.3fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-text {
    color: #fff;
    margin-bottom: 16px;
    display: inline-flex;
}

.footer-brand .logo-text:hover {
    color: #fff;
}

.footer-brand .logo-icon {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.62);
    max-width: 320px;
}

.footer-title {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 12px;
    font-size: 14px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.68);
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #fff;
    padding-left: 6px;
}

.footer-contact {
    color: rgba(255, 255, 255, 0.68);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
}

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

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

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 767px) {
    .container {
        padding: 0 16px;
    }

    .site-header {
        top: 8px;
        padding: 0 12px;
    }

    .nav-capsule {
        padding: 8px 12px 8px 16px;
        gap: 10px;
    }

    .logo-text {
        font-size: 18px;
    }

    .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 15px;
        border-radius: 10px;
    }

    .nav-btn {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 68px;
        left: 12px;
        right: 12px;
        background: var(--bg-white);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-hover);
        flex-direction: column;
        padding: 24px 16px;
        align-items: stretch;
        gap: 6px;
        display: none;
        z-index: 99;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 14px 20px;
        text-align: center;
        font-size: 16px;
    }

    .article-page {
        padding-top: 100px;
    }

    .breadcrumb {
        margin-bottom: 20px;
        font-size: 13px;
    }

    .breadcrumb .current {
        max-width: 180px;
    }

    .article-header h1 {
        font-size: 30px;
        margin-bottom: 16px;
        line-height: 1.35;
    }

    .article-meta {
        gap: 8px;
    }

    .meta-item {
        padding: 5px 12px;
        font-size: 12px;
    }

    .article-cover {
        margin-bottom: 24px;
    }

    .cms-article-content {
        font-size: 15px;
        line-height: 1.9;
        margin-bottom: 36px;
    }

    .cms-article-content h2 {
        font-size: 22px;
    }

    .cms-article-content h3 {
        font-size: 18px;
    }

    .cms-article-content blockquote {
        padding: 14px 18px;
        font-size: 14px;
    }

    .article-tags {
        margin-bottom: 36px;
        gap: 8px;
    }

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

    .related-header h2 {
        font-size: 26px;
    }

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

    .related-card-img {
        height: 140px;
    }

    .back-section {
        padding: 36px 0 4px;
    }

    .cta-section {
        padding: 32px 0 56px;
    }

    .cta-banner {
        flex-direction: column;
        text-align: center;
        padding: 40px 24px;
        gap: 20px;
    }

    .cta-content h2 {
        font-size: 24px;
    }

    .cta-content p {
        margin: 0 auto;
        font-size: 14px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
        padding-bottom: 32px;
    }

    .site-footer {
        padding-top: 48px;
    }
}

@media (max-width: 480px) {
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    .breadcrumb .current {
        max-width: 140px;
    }
}

/* ===== 焦点可访问性 ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 3px solid rgba(240, 138, 93, 0.4);
    outline-offset: 2px;
}

/* ===== 骨架屏 ===== */
.skeleton {
    background: linear-gradient(90deg, #EDF2F6 25%, #F7FAFC 50%, #EDF2F6 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.4s infinite;
    border-radius: 8px;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* roulang page: category2 */
:root {
            --primary: #5B8CA8;
            --primary-dark: #3D6E8A;
            --primary-light: #EAF2F7;
            --secondary: #F08A5D;
            --secondary-dark: #E07A4A;
            --success: #3E9B77;
            --bg: #F7FAFC;
            --bg-alt: #F0F4F7;
            --white: #FFFFFF;
            --text: #1F2937;
            --text-secondary: #6B7A86;
            --text-weak: #9AA7B1;
            --border: #E2E8EF;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 20px rgba(59, 91, 116, 0.08);
            --shadow-hover: 0 12px 32px rgba(59, 91, 116, 0.14);
            --shadow-nav: 0 4px 24px rgba(59, 91, 116, 0.10);
            --transition: all 0.25s ease;
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

        .section-space {
            padding: 96px 0;
        }

        .section-head {
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.3;
            color: var(--text);
        }

        .section-head p {
            margin-top: 10px;
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 560px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: var(--transition);
            white-space: nowrap;
            border: 2px solid transparent;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(93, 140, 168, 0.25);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(93, 140, 168, 0.2);
        }

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

        .btn-outline:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }

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

        .btn-light {
            background: var(--white);
            color: var(--primary-dark);
        }

        .btn-light:hover {
            background: rgba(255, 255, 255, 0.9);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }

        .btn:focus-visible,
        .nav-toggle:focus-visible {
            outline: 3px solid rgba(240, 138, 93, 0.45);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        /* Header 悬浮导航 */
        .site-header {
            position: fixed;
            top: 12px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 16px;
        }

        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.75);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-nav);
            padding: 8px 14px 8px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            border: 1px solid rgba(226, 232, 239, 0.6);
        }

        .logo-text {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text);
            white-space: nowrap;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: var(--white);
            border-radius: 12px;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

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

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

        .nav-toggle {
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary-light);
        }

        .nav-toggle-bar {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            margin: 3px 0;
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Hero */
        .page-hero {
            position: relative;
            padding: 160px 0 80px;
            background:
                linear-gradient(135deg, rgba(234, 242, 247, 0.92), rgba(247, 250, 252, 0.94)),
                url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 64px;
            align-items: center;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(240, 138, 93, 0.12);
            color: var(--secondary-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 22px;
            letter-spacing: 0.02em;
        }

        .hero-copy h1 {
            font-size: 48px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.015em;
            color: var(--text);
            margin-bottom: 18px;
        }

        .hero-copy>p {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 28px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .hero-points li {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-points li::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
            flex-shrink: 0;
        }

        .hero-media {
            position: relative;
        }

        .hero-media img {
            width: 100%;
            border-radius: 24px;
            box-shadow: var(--shadow-hover);
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }

        .hero-media::before {
            content: '';
            position: absolute;
            top: -18px;
            right: -18px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(240, 138, 93, 0.1);
            z-index: -1;
        }

        /* Stats 数据条 */
        .stats-bar {
            background: var(--white);
            padding: 40px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .stat-item {
            text-align: center;
            padding: 8px 0;
        }

        .stat-number {
            font-size: 40px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--primary);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* Equipment 装备品类 */
        .equipment {
            background: var(--white);
        }

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

        .equip-card {
            display: flex;
            flex-direction: column;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

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

        .equip-media {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }

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

        .equip-card:hover .equip-media img {
            transform: scale(1.04);
        }

        .equip-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            box-shadow: 0 2px 8px rgba(59, 91, 116, 0.1);
        }

        .equip-body {
            padding: 24px 24px 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .equip-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .equip-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .equip-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .equip-price {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
        }

        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .card-link:hover {
            color: var(--secondary-dark);
            gap: 10px;
        }

        /* Guide 选购指南 */
        .guide {
            background: var(--bg-alt);
        }

        .guide-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 64px;
            align-items: center;
        }

        .guide-media img {
            width: 100%;
            border-radius: 20px;
            box-shadow: var(--shadow-hover);
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }

        .guide-content h2 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 28px;
            line-height: 1.3;
        }

        .guide-list li {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
        }

        .guide-list li:last-child {
            border-bottom: none;
        }

        .guide-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(91, 140, 168, 0.12);
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .guide-list h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .guide-list p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            background: var(--white);
        }

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

        .faq-item {
            background: var(--bg-alt);
            border-radius: 12px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-toggle {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 22px 28px;
            text-align: left;
        }

        .faq-question {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
        }

        .faq-icon {
            position: relative;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
            transition: background 0.25s ease;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 12px;
            height: 2px;
            background: var(--white);
            border-radius: 2px;
            transform: translate(-50%, -50%);
            transition: transform 0.3s ease;
        }

        .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
        }

        .faq-item.open .faq-icon {
            background: var(--secondary);
        }

        .faq-item.open .faq-icon::after {
            transform: translate(-50%, -50%) rotate(0deg);
        }

        .faq-answer {
            max-height: 0;
            opacity: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, opacity 0.3s ease, padding 0.3s ease;
            padding: 0 28px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            opacity: 1;
            padding: 0 28px 24px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-left: 3px solid var(--secondary);
            padding-left: 16px;
        }

        /* CTA Banner */
        .cta-banner {
            position: relative;
            padding: 88px 0;
            background: linear-gradient(135deg, rgba(61, 110, 138, 0.92), rgba(91, 140, 168, 0.86)),
                url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--white);
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.9);
            max-width: 560px;
            line-height: 1.8;
        }

        .cta-actions {
            flex-shrink: 0;
        }

        /* Footer */
        .site-footer {
            background: #2F4B5C;
            color: rgba(255, 255, 255, 0.82);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr 1.1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .logo-text {
            color: var(--white);
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.68);
            line-height: 1.8;
            max-width: 300px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 18px;
        }

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

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.68);
            transition: color 0.25s ease;
        }

        .footer-links a:hover {
            color: var(--secondary);
        }

        .footer-contact {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.68);
            line-height: 1.7;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.56);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.72);
        }

        .footer-bottom a:hover {
            color: var(--secondary);
        }

        /* 响应式 */
        @media (max-width: 1023px) {
            .hero-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

            .hero-copy h1 {
                font-size: 40px;
            }

            .stats-grid {
                gap: 20px;
            }

            .stat-number {
                font-size: 32px;
            }

            .guide-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .guide-media img {
                max-height: 320px;
                object-fit: cover;
            }
        }

        @media (max-width: 767px) {
            .site-header {
                top: 8px;
                padding: 0 12px;
            }

            .header-inner {
                padding: 8px 12px 8px 18px;
            }

            .logo-text {
                font-size: 17px;
                gap: 8px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 10px;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 68px;
                left: 12px;
                right: 12px;
                background: var(--white);
                border-radius: 16px;
                box-shadow: var(--shadow-hover);
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                display: none;
                z-index: 999;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                display: block;
                padding: 14px 18px;
                font-size: 16px;
                text-align: center;
            }

            .page-hero {
                padding: 130px 0 56px;
            }

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

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

            .hero-copy>p {
                font-size: 15px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

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

            .hero-points {
                flex-direction: column;
                gap: 10px;
            }

            .hero-media img {
                aspect-ratio: 16 / 10;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px 16px;
            }

            .stat-number {
                font-size: 28px;
            }

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

            .equip-body {
                padding: 20px;
            }

            .guide-media img {
                max-height: 240px;
                object-fit: cover;
                width: 100%;
            }

            .faq-toggle {
                padding: 18px 20px;
            }

            .faq-question {
                font-size: 15px;
            }

            .faq-answer p {
                padding-left: 12px;
            }

            .faq-item.open .faq-answer {
                padding: 0 20px 20px;
            }

            .cta-banner {
                padding: 56px 0;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }

            .cta-text h2 {
                font-size: 26px;
            }

            .cta-actions .btn {
                width: 100%;
                text-align: center;
            }

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

            .section-space {
                padding: 64px 0;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .guide-content h2 {
                font-size: 24px;
            }

            .footer-bottom {
                padding: 18px 16px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }

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

            .stat-number {
                font-size: 26px;
            }

            .page-hero {
                padding: 120px 0 44px;
            }

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

            .logo-text span:last-child {
                font-size: 16px;
            }
        }