  * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        body {
            background: #f7f9fc;
            color: #333;
            line-height: 1.6;
        }
        a {
            text-decoration: none;
            color: #333;
            transition: 0.3s;
        }
        a:hover {
            color: #0099ff;
        }
        ul, li {
            list-style: none;
        }
        img {
            max-width: 100%;
            border: none;
            vertical-align: middle;
        }
        .container {
            width: 1200px;
            margin: 0 auto;
        }
        @media (max-width:1200px) {
            .container { width: 100%; padding: 0 15px; }
        }

        /* 头部 */
        .header {
            background: #fff;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 999;
        }
        .header-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }
        .logo img {
            height: 50px;
        }
        .nav {
            display: flex;
        }
        .nav a {
            padding: 0 20px;
            height: 80px;
            line-height: 80px;
            font-size: 16px;
            font-weight: 500;
        }
        .nav a.active {
            color: #0099ff;
            border-bottom: 3px solid #0099ff;
        }
        .header-contact {
            color: #0099ff;
            font-size: 18px;
            font-weight: bold;
        }

        /* 轮播banner */
        .banner {
            height: 500px;
            background: linear-gradient(to right, #0078d7, #00a8ff);
            color: #fff;
            display: flex;
            align-items: center;
        }
        .banner-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .banner-text h1 {
            font-size: 42px;
            margin-bottom: 20px;
        }
        .banner-text p {
            font-size: 18px;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        .banner-btn {
            display: inline-block;
            padding: 12px 35px;
            background: #fff;
            color: #0099ff;
            border-radius: 50px;
            font-weight: bold;
        }
        .banner-btn:hover {
            background: #f0f7ff;
        }

        /* 服务项目 */
        .service {
            padding: 60px 0;
            background: #fff;
        }
        .title {
            text-align: center;
            margin-bottom: 50px;
        }
        .title h2 {
            font-size: 32px;
            color: #222;
            margin-bottom: 10px;
        }
        .title p {
            color: #666;
            font-size: 16px;
        }
        .service-list {
            display: grid;
            grid-template-columns: repeat(6,1fr);
            gap: 20px;
            text-align: center;
        }
        .service-item {
            padding: 30px 15px;
            background: #f7f9fc;
            border-radius: 10px;
            transition: 0.3s;
        }
        .service-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,153,255,0.1);
        }
        .service-item img {
            width: 60px;
            margin-bottom: 15px;
        }
        .service-item h3 {
            font-size: 16px;
            font-weight: 500;
        }
        @media (max-width:1200px) {
            .service-list { grid-template-columns: repeat(3,1fr); }
        }

        /* 医院推荐 */
        .hospital {
            padding: 60px 0;
        }
        .hospital-list {
            display: grid;
            grid-template-columns: repeat(4,1fr);
            gap: 25px;
        }
        .hospital-item {
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            transition: 0.3s;
        }
        .hospital-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .hospital-item img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .hospital-info {
            padding: 15px;
        }
        .hospital-info h3 {
            font-size: 16px;
            margin-bottom: 5px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hospital-info span {
            font-size: 14px;
            color: #666;
        }
        @media (max-width:1200px) {
            .hospital-list { grid-template-columns: repeat(2,1fr); }
        }

        /* 资讯 */
        .news {
            padding: 60px 0;
            background: #fff;
        }
        .news-box {
            display: grid;
            grid-template-columns: repeat(3,1fr);
            gap: 25px;
        }
        .news-item {
            padding-left: 15px;
            margin-bottom: 15px;
        }
        .news-item h3 {
            font-size: 16px;
            font-weight: normal;
            line-height: 1.5;
            margin-bottom: 5px;
        }
        .news-item p {
            font-size: 12px;
            color: #999;
        }

        /* 问答 */
        .ask {
            padding: 60px 0;
        }
        .ask-item {
            background: #fff;
            padding: 15px 20px;
            border-radius: 8px;
            margin-bottom: 12px;
        }
        .ask-item h3 {
            font-size: 16px;
            color: #0099ff;
            margin-bottom: 8px;
        }
        .ask-item p {
            font-size: 14px;
            color: #666;
        }

        /* 底部 */
        .footer {
            background: #2a303e;
            color: #aaa;
            padding: 50px 0 20px;
        }
        .footer-top {
            display: flex;
            justify-content: space-between;
            margin-bottom: 30px;
        }
        .footer-col h4 {
            color: #fff;
            margin-bottom: 15px;
            font-size: 16px;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            color: #aaa;
        }
        .footer-col a:hover {
            color: #0099ff;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #3a404e;
            font-size: 14px;
        }

        /* 返回顶部 */
        .back-top {
            position: fixed;
            right: 20px;
            bottom: 50px;
            width: 45px;
            height: 45px;
            background: #0099ff;
            color: #fff;
            text-align: center;
            line-height: 45px;
            border-radius: 50%;
            cursor: pointer;
            display: none;
        }