    <style>
        /* 基础样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }

        body {
            color: #333;
            line-height: 1.6;
            background-color: #f9f9f9;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        /* 头部样式 */
        header {
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }

        .logo {
            display: flex;
            align-items: center;
        }

        .logo h1 {
            color: #c19a6b;
            font-size: 24px;
            margin-left: 10px;
        }

        nav ul {
            display: flex;
            list-style: none;
        }

        nav ul li {
            margin-left: 30px;
        }

        nav ul li a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s;
        }

        nav ul li a:hover {
            color: #c19a6b;
        }

        /* 横幅样式 */
        .banner {
            background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.2)), url('../img/1.jpg');
            background-size: cover;
            background-position: center;
            height: 600px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
        }

        .banner-content h2 {
            font-size: 48px;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }

        .banner-content p {
            font-size: 20px;
            margin-bottom: 30px;
            max-width: 700px;
        }

        .btn {
            display: inline-block;
            background-color: #c19a6b;
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }

        .btn:hover {
            background-color: #b08a5b;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        /* 通用部分样式 */
        .section {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 36px;
            color: #c19a6b;
            margin-bottom: 15px;
        }

        .section-title p {
            color: #777;
            max-width: 700px;
            margin: 0 auto;
        }

        /* 产品介绍 */
        .products {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .product-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s;
        }

        .product-card:hover {
            transform: translateY(-10px);
        }

        .product-img {
            height: 200px;
            background-color: #f5f5f5;
            background-size: cover;
            background-position: center;
        }

        .product-content {
            padding: 20px;
        }

        .product-content h3 {
            font-size: 22px;
            margin-bottom: 10px;
            color: #c19a6b;
        }

        .product-content p {
            color: #666;
            margin-bottom: 15px;
        }

        .price {
            font-size: 20px;
            font-weight: bold;
            color: #c19a6b;
        }

        /* 功效部分 */
        .benefits {
            background-color: #f5f2ee;
        }

        .benefit-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }

        .benefit-item {
            text-align: center;
            padding: 30px 20px;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .benefit-icon {
            font-size: 40px;
            color: #c19a6b;
            margin-bottom: 20px;
        }

        .benefit-item h3 {
            font-size: 20px;
            margin-bottom: 15px;
        }

        /* 购买部分 */
        .purchase {
            text-align: center;
        }

        .purchase-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .contact-info {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-top: 40px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .contact-icon {
            color: #c19a6b;
            font-size: 24px;
        }

        /* 底部样式 */
        footer {
            background-color: #333;
            color: white;
            padding: 50px 0 20px;
            text-align: center;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-column h3 {
            font-size: 18px;
            margin-bottom: 20px;
            color: #c19a6b;
            text-align: center;
        }

        .footer-column ul {
            list-style: none;
        }

        .footer-column ul li {
            margin-bottom: 10px;
        }

        .footer-column ul li a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-column ul li a:hover {
            color: #c19a6b;
        }

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 14px;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                text-align: center;
            }

            nav ul {
                margin-top: 15px;
                flex-wrap: wrap;
                justify-content: center;
            }

            nav ul li {
                margin: 5px 10px;
            }

            .banner {
                height: 400px;
            }

            .banner-content h2 {
                font-size: 36px;
            }

            .banner-content p {
                font-size: 18px;
            }

            .contact-info {
                flex-direction: column;
                align-items: center;
            }
        }
    </style>