* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background: #f7f9fc;
            color: #333;
            line-height: 1.6;
            padding-bottom: 70px;
            overflow-x: hidden;
        }
        
        .container {
            max-width: 640px;
            margin: 0 auto;
            background: white;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            position: relative;
        }
        
        /* 顶部导航 */
        .top-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            background: linear-gradient(135deg, #BF2178, #A71566);
            /*background: linear-gradient(135deg, #BF2178, #A71566);*/
            color: white;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            display: flex;
            align-items: center;
        }
        
        .logo i {
            margin-right: 8px;
            font-size: 1.8rem;
        }
        
        .menu-btn {
            font-size: 1.6rem;
            cursor: pointer;
            z-index: 300;
            transition: transform 0.3s;
        }
        
        .menu-btn.active {
            transform: rotate(90deg);
        }
        
        .menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #a71566;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 200;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
            transform: translateY(-20px);
        }
        
        .menu-overlay.active {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .menu-overlay a {
            color: white;
            text-decoration: none;
            font-size: 1.5rem;
            margin: 15px 0;
            padding: 12px 40px;
            border-radius: 30px;
            transition: all 0.3s;
            position: relative;
            text-align: center;
            width: 80%;
            max-width: 280px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(5px);
        }
        
        .menu-overlay a:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateX(10px);
        }
        
        .menu-overlay a::after {
            content: '';
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            background: #ff6b00;
            border-radius: 50%;
            opacity: 0;
            transition: opacity 0.3s;
        }
        
        .menu-overlay a:hover::after {
            opacity: 1;
        }
        
        .close-btn {
            position: absolute;
            top: 25px;
            right: 25px;
            font-size: 2rem;
            cursor: pointer;
            color: #fff;
            transition: transform 0.3s;
        }
        
        .close-btn:hover {
            transform: rotate(90deg);
            color: #ff6b00;
        }
        
        /* Banner轮播 */
        .banner {
            height: 320px;
            position: relative;
            overflow: hidden;
        }
        
        .swiper {
            width: 100%;
            height: 100%;
        }
        
        .swiper-slide {
            display: flex;
            justify-content: center;
            align-items: center;
            color: white;
            font-size: 2rem;

            font-weight: bold;
            text-shadow: 0 2px 10px rgba(0,0,0,0.7);
            position: relative;
        }
        
        .banner-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
            z-index: -1;
        }
        
        .banner-text {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 0 20px;
        }
        
        /* 内容区块通用样式 */
        .section {
            padding: 40px 20px;
        }
        
        .section-title {
            text-align: center;
            font-size: 1.8rem;
            margin-bottom: 35px;
            color: #A71566;
            position: relative;
            font-weight: 700;
        }
        
        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(to right, #BF2178, #e651a3);
            margin: 15px auto;
            border-radius: 2px;
        }
        
        /* 热销产品 */
        .products {
            background: #fff;
        }
        
        .product-grid {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 25px;
        }
        
        .product-item {
            background: #fff;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
        }
        
        .product-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
        }
        
        .product-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        
        .product-info {
            padding: 18px;
        }
        
        .product-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #222;
        }
        
        /* 公司介绍 */
        .about {
            background: linear-gradient(to bottom, #f0f5ff, #e6f0ff);
            position: relative;
            overflow: hidden;
        }
        
        .about::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: rgba(26, 109, 204, 0.05);
            border-radius: 50%;
            z-index: 0;
        }
        
        .about-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        
        .about-img {
            width: 100%;
            height: 220px;
            border-radius: 15px;
            margin-bottom: 25px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
            overflow: hidden;
        }
        
        .about-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .about-text {
            font-size: 1.05rem;
            color: #444;
            line-height: 1.85;
            text-align: justify;
        }
        
        .about-text p {
            margin-bottom: 15px;
        }
        
        /* 加盟优势 */
        .advantages {
            background: #fff;
        }
        
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        
        .advantage-item {
            text-align: center;
            padding: 25px 15px;
            background: linear-gradient(to bottom, #f8faff, #ffffff);
            border-radius: 15px;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border: 1px solid #e6f0ff;
        }
        
        .advantage-item:hover {
            background: linear-gradient(to bottom, #e6f0ff, #f0f5ff);
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
            border-color: #BF2178;
        }
        
        .advantage-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, #BF2178, #A71566);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 2rem;
            transition: all 0.3s;
        }
        
        .advantage-item:hover .advantage-icon {
            transform: scale(1.1) rotate(5deg);
            background: linear-gradient(135deg, #ff6b00, #ff9d00);
        }
        
        .advantage-title {
            font-weight: bold;
            margin-bottom: 10px;
            color: #A71566;
            font-size: 1.2rem;
        }
        
        .advantage-item:hover .advantage-title {
            color: #ff6b00;
        }
        
        /* 加盟表单 */
        .form-section {
            background: linear-gradient(to bottom, #f0f5ff, #e6f0ff);
            position: relative;
            overflow: hidden;
        }
        
        .form-section::before {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -50px;
            width: 200px;
            height: 200px;
            background: rgba(26, 109, 204, 0.05);
            border-radius: 50%;
            z-index: 0;
        }
        
        .join-form {
            max-width: 500px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        
        .form-group {
            margin-bottom: 25px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 10px;
            font-weight: bold;
            color: #A71566;
            font-size: 1.05rem;
        }
        
        .form-control {
            width: 100%;
            padding: 16px;
            border: 1px solid #cce0ff;
            border-radius: 10px;
            font-size: 1.05rem;
            transition: all 0.3s;
            background: rgba(255, 255, 255, 0.8);
        }
        
        .form-control:focus {
            border-color: #A71566;
            outline: none;
            box-shadow: 0 0 0 3px rgba(13, 74, 158, 0.2);
            background: white;
        }
        
        textarea.form-control {
            min-height: 140px;
            resize: vertical;
        }
        
        .submit-btn {
            display: block;
            width: 100%;
            padding: 17px;
            background: linear-gradient(135deg, #E8389A, #BF2178);
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 1.15rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.4s;
            box-shadow: 0 5px 15px rgba(255, 107, 0, 0.3);
        }
        
        .submit-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(255, 107, 0, 0.5);
        }
        
        .submit-btn:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(255, 107, 0, 0.4);
        }
        
        /* 底部导航 - 优化后样式 */
        .bottom-nav {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            display: flex;
            background: white;
            box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.12);
            z-index: 100;
            border-top: 1px solid #eee;
            max-width: 640px;
            margin: 0 auto;
            height: 60px; /* 高度调整 */
            align-items: center;
        }
        
        .nav-item {
            flex: 1;
            display: flex;
            flex-direction: row; /* 改为横向布局 */
            justify-content: center;
            align-items: center;
            padding: 8px 0; /* 调整内边距 */
            color: #666;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all 0.3s;
            position: relative;
            height: 100%;
        }
        
        .nav-item:hover {
            background: #f0f5ff;
            color: #A71566;
        }
        
        .nav-item i {
            font-size: 1.2rem; /* 图标大小调整 */
            margin-right: 8px; /* 图标和文字间距 */
            transition: all 0.3s;
        }
        
        .nav-item.active {
            color: #A71566;
            background: #f0f5ff;
        }
        
        .nav-item.active i {
            color: #A71566;
        }
        
        .phone-btn {
            background: linear-gradient(135deg, #E8389A, #BF2178);
            color: white;
        }
        
        .phone-btn:hover {
            background: linear-gradient(135deg, #A71566, #BF2178);
            color: white;
        }
        
        .wechat-btn {
            background: linear-gradient(135deg, #E8389A, #BF2178);
            color: white;
        }
        
        .wechat-btn:hover {
            background: linear-gradient(135deg, #27ae60, #2ecc71);
            color: white;
        }
        
        /* 响应式调整 */
        @media (max-width: 480px) {
            .section {
                padding: 30px 15px;
            }
            
            .banner {
                height: 250px;
            }
            
            .product-img {
                height: 140px;
            }
            
            .about-img {
                height: 180px;
            }
            
            .menu-overlay a {
                font-size: 1.3rem;
                padding: 12px 30px;
            }
            
            /* 在小屏幕下调整底部导航文字大小 */
            .nav-item {
                font-size: 0.85rem;
            }
            
            .nav-item i {
                font-size: 1rem;
                margin-right: 5px;
            }
        }
        
        /* 动画效果 */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .section {
            animation: fadeIn 0.6s ease-out forwards;
        }
        
        .section:nth-child(2) { animation-delay: 0.1s; }
        .section:nth-child(3) { animation-delay: 0.2s; }
        .section:nth-child(4) { animation-delay: 0.3s; }
        .section:nth-child(5) { animation-delay: 0.4s; }
        
        /* 微信弹窗 */
        .wechat-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.8);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 400;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s;
        }
        
        .wechat-modal.active {
            opacity: 1;
            visibility: visible;
        }
        
        .modal-content {
            background: white;
            border-radius: 20px;
            padding: 30px;
            text-align: center;
            max-width: 300px;
            width: 90%;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            transform: scale(0.8);
            transition: transform 0.4s;
        }
        
        .wechat-modal.active .modal-content {
            transform: scale(1);
        }
        
        .modal-content h3 {
            color: #27ae60;
            margin-bottom: 20px;
        }
        
        .modal-content img {
            width: 180px;
            height: 180px;
            margin: 15px auto;
            display: block;
            border: 1px solid #eee;
            padding: 10px;
            background: white;
        }
        
        .modal-close {
            position: absolute;
            top: 20px;
            right: 20px;
            color: white;
            font-size: 2rem;
            cursor: pointer;
        }
        
        /* 加载状态 */
        .swiper-loading {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #f0f5ff;
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 10;
        }
        
        .swiper-loading .spinner {
            width: 50px;
            height: 50px;
            border: 5px solid rgba(13, 74, 158, 0.2);
            border-top: 5px solid #A71566;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }