:root {
            --primary: #1A365D;      /* 烟草深蓝 */
            --primary-light: #2A4A7A;
            --secondary: #ECC94B;    /* 烤烟蛋黄 */
            --secondary-light: #F5D95E;
            --bg-white: #FAF8F5;     /* 象牙白 */
            --bg-card: #FFFFFF;
            --text-dark: #1E2A3A;
            --text-muted: #5A6B7A;
            --border-light: #E8E3DA;
            --shadow: 0 8px 30px rgba(26, 54, 93, 0.08);
            --font: 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: var(--font);
            background: var(--bg-white);
            color: var(--text-dark);
            line-height: 1.7;
        }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        img { max-width: 100%; display: block; }
        .container-598506 {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        /* ----- 通用按钮 ----- */
        .btn-c7050a {
            display: inline-block;
            padding: 14px 40px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
        }
        .btn-primary-c4a662 {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(26, 54, 93, 0.3);
        }
        .btn-primary-c4a662:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(26, 54, 93, 0.35);
        }
        .btn-secondary-3e7ab3 {
            background: var(--secondary);
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(236, 201, 75, 0.3);
        }
        .btn-secondary-3e7ab3:hover {
            background: var(--secondary-light);
            transform: translateY(-3px);
        }
        .btn-outline-d949dd {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline-d949dd:hover {
            background: var(--primary);
            color: #fff;
        }
        
        /* ----- 通用标题 ----- */
        .section-410cc9 {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .section-alt-d2e314 {
            background: #FFFFFF;
        }
        .section-header-9b1023 {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-title-66a49b {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            position: relative;
            display: inline-block;
            margin-bottom: 12px;
        }
        .section-title-66a49b::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--secondary);
            margin: 10px auto 0;
            border-radius: 4px;
        }
        .section-subtitle-ac11ea {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* ----- 导航栏 (深蓝+黄) ----- */
        .header-f9ec1b {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--primary);
            box-shadow: 0 2px 20px rgba(26, 54, 93, 0.2);
        }
        .navbar-48a9fc { padding: 0 20px; }
        .nav-container-e280f3 {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .nav-logo-623c94 {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: 1px;
        }
        .nav-logo-icon-e40cf9 {
            font-size: 2rem;
            color: var(--secondary);
        }
        .nav-logo-text-d6d2da { color: #fff; }
        .nav-menu-01731a {
            display: flex;
            gap: 6px;
            align-items: center;
        }
        .nav-item-fae884 .nav-link-6e6a49 {
            color: rgba(255,255,255,0.8);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.3s;
        }
        .nav-item-fae884 .nav-link-6e6a49:hover,
        .nav-item-fae884 .nav-link-6e6a49.active {
            color: #fff;
            background: rgba(236, 201, 75, 0.2);
        }
        .nav-item-fae884 .nav-link-6e6a49.active::after {
            content: '';
            display: block;
            width: 20px;
            height: 2px;
            background: var(--secondary);
            margin: 2px auto 0;
            border-radius: 2px;
        }
        .nav-toggle-238ba6 {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
        }
        .nav-toggle-238ba6 .bar-aee03b {
            width: 28px;
            height: 3px;
            background: #fff;
            border-radius: 4px;
            transition: 0.3s;
        }
        @media (max-width: 992px) {
            .nav-menu-01731a {
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--primary);
                flex-direction: column;
                padding: 20px;
                gap: 8px;
                display: none;
                box-shadow: 0 20px 30px rgba(0,0,0,0.15);
            }
            .nav-menu-01731a.active { display: flex; }
            .nav-toggle-238ba6 { display: flex; }
        }
        
        /* ----- Hero (深蓝底，亮黄点缀) ----- */
        .hero-c17bd3 {
            background: linear-gradient(135deg, var(--primary) 0%, #0F2847 100%);
            color: #fff;
            padding: 90px 0 70px;
            position: relative;
            overflow: hidden;
        }
        .hero-c17bd3::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(236, 201, 75, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .hero-content-fdeae0 { position: relative; z-index: 1; }
        .hero-text-e0be87 { max-width: 800px; }
        .hero-title-01cbc2 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 10px;
        }
        .hero-title-01cbc2 .yellow-470386 {
            color: var(--secondary);
            text-shadow: 0 0 30px rgba(236, 201, 75, 0.2);
        }
        .hero-subtitle-b766ac {
            font-size: 1.3rem;
            color: rgba(255,255,255,0.85);
            font-weight: 300;
            letter-spacing: 2px;
            margin-bottom: 30px;
        }
        .hero-features-5a2635 {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            margin: 30px 0 35px;
        }
        .hero-feature-4c5730 {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.1rem;
        }
        .hero-feature-4c5730 i {
            font-size: 1.8rem;
            color: var(--secondary);
        }
        .hero-buttons-b94a11 {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .hero-buttons-b94a11 .btn-secondary-3e7ab3 i {
            margin-right: 8px;
        }
        @media (max-width: 768px) {
            .hero-title-01cbc2 { font-size: 2.2rem; }
            .hero-subtitle-b766ac { font-size: 1rem; }
            .hero-features-5a2635 { gap: 20px; }
        }
        
        /* ----- 卡片 (白底，黄蓝边框) ----- */
        .card-acaa6f {
            background: #fff;
            border-radius: 16px;
            padding: 30px 25px;
            border: 1px solid var(--border-light);
            transition: all 0.3s;
            box-shadow: var(--shadow);
        }
        .card-acaa6f:hover {
            transform: translateY(-6px);
            border-color: var(--secondary);
            box-shadow: 0 12px 40px rgba(26, 54, 93, 0.08);
        }
        
        /* ----- 关于我们 (前置) ----- */
        .about-content-f99869 {
            display: flex;
            gap: 50px;
            align-items: center;
            flex-wrap: wrap;
        }
        .about-text-357765 { flex: 1; min-width: 300px; }
        .about-text-357765 h3 {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .about-text-357765 p {
            color: var(--text-muted);
            line-height: 1.9;
            margin-bottom: 25px;
        }
        .about-features-9afbe9 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .about-feature-b08ba8 {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .about-feature-b08ba8 i {
            font-size: 1.6rem;
            color: var(--secondary);
            margin-top: 4px;
        }
        .about-feature-content-88e9b3 h4 {
            font-size: 1rem;
            color: var(--text-dark);
            margin-bottom: 2px;
        }
        .about-feature-content-88e9b3 p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
        }
        .about-image-a88e26 { flex: 1; min-width: 280px; }
        .about-image-a88e26 img {
            border-radius: 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
        }
        .company-values-d07a7e {
            margin-top: 50px;
            text-align: center;
        }
        .company-values-d07a7e h3 {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 35px;
        }
        .values-grid-77f568 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 25px;
        }
        .value-item-8edd7f {
            background: #fff;
            padding: 30px 20px;
            border-radius: 16px;
            border: 1px solid var(--border-light);
            transition: 0.3s;
        }
        .value-item-8edd7f:hover {
            border-color: var(--secondary);
            transform: translateY(-4px);
        }
        .value-icon-84f2fc {
            font-size: 2.8rem;
            color: var(--secondary);
            margin-bottom: 15px;
        }
        .value-item-8edd7f h4 {
            color: var(--text-dark);
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .value-item-8edd7f p {
            color: var(--text-muted);
            font-size: 0.92rem;
        }
        
        /* ----- 核心服务 (黄蓝撞色) ----- */
        .services-grid-03c635 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 30px;
        }
        .service-card-a813dc {
            background: #fff;
            border-radius: 16px;
            padding: 35px 25px;
            border: 1px solid var(--border-light);
            text-align: center;
            transition: 0.4s;
            box-shadow: var(--shadow);
        }
        .service-card-a813dc:hover {
            border-color: var(--secondary);
            transform: translateY(-8px);
        }
        .service-icon-bb6d00 {
            width: 70px;
            height: 70px;
            margin: 0 auto 20px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--secondary);
        }
        .service-card-a813dc h3 {
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .service-card-a813dc p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .services-stats-309d0a {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 40px;
            background: var(--primary);
            padding: 30px 20px;
            border-radius: 20px;
            color: #fff;
        }
        .services-stats-309d0a .stat-item-a2e9ba {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .services-stats-309d0a .stat-item-a2e9ba i {
            font-size: 2.4rem;
            color: var(--secondary);
        }
        .services-stats-309d0a .stat-content-932e48 .stat-number-740b40 {
            display: block;
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
        }
        .services-stats-309d0a .stat-content-932e48 .stat-label-f3e00c {
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
        }
        
        /* ----- 优势 (亮黄点缀) ----- */
        .advantages-content-3b9a76 {
            display: flex;
            gap: 50px;
            align-items: center;
            flex-wrap: wrap;
        }
        .advantages-text-d1d979 { flex: 1; min-width: 300px; }
        .advantage-item-4c53a0 {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
            align-items: flex-start;
        }
        .advantage-icon-865e81 {
            width: 60px;
            height: 60px;
            min-width: 60px;
            background: var(--secondary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary);
            transition: 0.3s;
        }
        .advantage-item-4c53a0:hover .advantage-icon-865e81 {
            background: var(--primary);
            color: var(--secondary);
        }
        .advantage-content-0ff57a h3 {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .advantage-content-0ff57a p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .advantages-image-f733c0 { flex: 1; min-width: 280px; }
        .advantages-image-f733c0 img {
            border-radius: 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
        }
        
        /* ----- 产品 (更多卡片) ----- */
        .product-categories-74ee6f {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-bottom: 40px;
        }
        .category-filter-0af733 {
            padding: 8px 26px;
            border-radius: 30px;
            background: #fff;
            border: 2px solid var(--border-light);
            color: var(--text-muted);
            font-weight: 500;
            cursor: pointer;
            transition: 0.3s;
            font-size: 0.95rem;
        }
        .category-filter-0af733:hover,
        .category-filter-0af733.active {
            background: var(--secondary);
            color: var(--primary);
            border-color: var(--secondary);
        }
        .products-grid-a32f79 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        .product-card-a079d6 {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: 0.4s;
            box-shadow: var(--shadow);
        }
        .product-card-a079d6:hover {
            transform: translateY(-10px);
            border-color: var(--secondary);
            box-shadow: 0 16px 48px rgba(26, 54, 93, 0.08);
        }
        .product-image-a3db47 {
            height: 200px;
            overflow: hidden;
            background: var(--bg-white);
        }
        .product-image-a3db47 img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .product-info-bdae08 { padding: 20px 22px 25px; }
        .product-info-bdae08 h3 {
            font-size: 1.25rem;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .product-category-tag-0e8341 {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }
        .product-desc-24ad88 {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 14px;
        }
        .product-features-c893eb {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .product-features-c893eb span i {
            color: var(--secondary);
            margin-right: 4px;
        }
        
        /* 价格标签 (黄色高亮) */
        .product-price-d220f2 {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary);
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            margin-top: 8px;
        }
        
        /* ----- 新闻 ----- */
        .news-grid-796ae0 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .news-card-3b753f {
            display: flex;
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: 0.3s;
        }
        .news-card-3b753f:hover {
            border-color: var(--secondary);
            transform: translateY(-5px);
        }
        .news-date-c831dc {
            min-width: 80px;
            background: var(--primary);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 15px 10px;
            color: var(--secondary);
        }
        .news-date-c831dc .date-day-47c929 {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1;
        }
        .news-date-c831dc .date-month-e42fa6 {
            font-size: 0.85rem;
            opacity: 0.8;
        }
        .news-content-ad34d1 { padding: 18px 22px; flex: 1; }
        .news-content-ad34d1 h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .news-content-ad34d1 h3 a {
            color: var(--text-dark);
            transition: 0.3s;
        }
        .news-content-ad34d1 h3 a:hover { color: var(--primary); }
        .news-content-ad34d1 p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 10px;
        }
        .news-meta-421a9f {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .news-meta-421a9f i { color: var(--secondary); margin-right: 4px; }
        .news-more-ac620c { text-align: center; margin-top: 40px; }
        
        /* ----- FAQ (黄色边框) ----- */
        .faq-container-dfb3fe { max-width: 800px; margin: 0 auto; }
        .faq-item-2ecc06 {
            background: #fff;
            border-radius: 12px;
            margin-bottom: 16px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: 0.3s;
        }
        .faq-item-2ecc06:hover { border-color: var(--secondary); }
        .faq-question-48c3d4 {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 25px;
            cursor: pointer;
        }
        .faq-question-48c3d4 h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
        }
        .faq-icon-09605e {
            color: var(--secondary);
            transition: 0.3s;
            font-size: 1.2rem;
        }
        .faq-item-2ecc06.active .faq-icon-09605e { transform: rotate(180deg); }
        .faq-answer-8c811e {
            padding: 0 25px 20px;
            color: var(--text-muted);
            display: none;
            line-height: 1.8;
        }
        .faq-item-2ecc06.active .faq-answer-8c811e { display: block; }
        
        /* ----- 口碑 (评论) ----- */
        .testimonials-grid-cfe69e {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        .testimonial-card-0f3fc1 {
            background: #fff;
            padding: 28px 25px;
            border-radius: 16px;
            border: 1px solid var(--border-light);
            transition: 0.3s;
        }
        .testimonial-card-0f3fc1:hover {
            border-color: var(--secondary);
            transform: translateY(-6px);
        }
        .testimonial-header-fbcdd3 {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }
        .testimonial-info-53a2dd h4 {
            font-size: 1.1rem;
            color: var(--primary);
        }
        .testimonial-rating-a78688 {
            color: var(--secondary);
            font-size: 0.9rem;
            letter-spacing: 2px;
        }
        .testimonial-content-50e255 p {
            color: var(--text-muted);
            font-style: italic;
            line-height: 1.7;
        }
        .testimonials-stats-985544 {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 50px;
            padding: 30px 20px;
            background: var(--primary);
            border-radius: 20px;
            color: #fff;
        }
        .testimonials-stats-985544 .stat-item-a2e9ba {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .testimonials-stats-985544 .stat-icon-0016a4 {
            font-size: 2.2rem;
            color: var(--secondary);
        }
        .testimonials-stats-985544 .stat-content-932e48 .stat-number-740b40 {
            display: block;
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
        }
        .testimonials-stats-985544 .stat-content-932e48 .stat-label-f3e00c {
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
        }
        
        /* ----- 友情链接 (暖白) ----- */
        .flink-section-f6b316 {
            padding: 30px 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .flink-header-c245db {
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .flink-section-f6b316 ul {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .flink-section-f6b316 ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: 0.3s;
        }
        .flink-section-f6b316 ul li a:hover {
            color: var(--primary);
        }
        
        /* ----- 页脚 (深蓝+黄) ----- */
        .footer-7c6a92 {
            background: var(--primary);
            color: rgba(255,255,255,0.85);
            padding: 60px 0 30px;
        }
        .footer-content-e85972 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo-919f72 {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 15px;
        }
        .footer-logo-919f72 i { color: var(--secondary); }
        .footer-desc-d0a7a1 {
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 20px;
            opacity: 0.8;
        }
        .footer-social-1395f5 {
            display: flex;
            gap: 16px;
        }
        .social-link-40cc32 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            color: #fff;
            font-size: 1.2rem;
            transition: 0.3s;
        }
        .social-link-40cc32:hover {
            background: var(--secondary);
            color: var(--primary);
            transform: translateY(-3px);
        }
        .footer-section-921226 h3 {
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: 18px;
            position: relative;
        }
        .footer-section-921226 h3::after {
            content: '';
            display: block;
            width: 30px;
            height: 3px;
            background: var(--secondary);
            margin-top: 8px;
        }
        .footer-links-12712e li { margin-bottom: 10px; }
        .footer-links-12712e li a {
            color: rgba(255,255,255,0.75);
            transition: 0.3s;
            font-size: 0.95rem;
        }
        .footer-links-12712e li a:hover {
            color: var(--secondary);
            padding-left: 6px;
        }
        .contact-item-691143 {
            display: flex;
            gap: 12px;
            margin-bottom: 14px;
            align-items: flex-start;
        }
        .contact-item-691143 i {
            font-size: 1.2rem;
            color: var(--secondary);
            margin-top: 3px;
            min-width: 20px;
        }
        .contact-content-336021 {
            display: flex;
            flex-direction: column;
            font-size: 0.9rem;
        }
        .contact-content-336021 span:first-child {
            opacity: 0.6;
            font-size: 0.8rem;
        }
        .contact-content-336021 a {
            color: #fff;
        }
        .contact-content-336021 a:hover { color: var(--secondary); }
        .footer-bottom-22d767 {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 25px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.9rem;
        }
        .footer-bottom-22d767 a {
            color: rgba(255,255,255,0.7);
            margin-left: 20px;
            transition: 0.3s;
        }
        .footer-bottom-22d767 a:hover { color: var(--secondary); }
        .footer-copyright-3f9e64 p { opacity: 0.8; }
        
        /* ----- 回到顶部 (黄色) ----- */
        .back-to-top-e27243 {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--secondary);
            color: var(--primary);
            border: none;
            border-radius: 50%;
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(236, 201, 75, 0.4);
            cursor: pointer;
            transition: 0.3s;
            display: none;
            z-index: 999;
        }
        .back-to-top-e27243:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(236, 201, 75, 0.5);
        }
        
        /* 响应式 */
        @media (max-width: 768px) {
            .section-410cc9 { padding: 50px 0; }
            .section-title-66a49b { font-size: 2rem; }
            .hero-title-01cbc2 { font-size: 2rem; }
            .about-features-9afbe9 { grid-template-columns: 1fr; }
            .footer-content-e85972 { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 480px) {
            .footer-content-e85972 { grid-template-columns: 1fr; }
            .footer-bottom-22d767 { flex-direction: column; align-items: center; }
            .footer-bottom-22d767 a { margin: 0 10px; }
        }