/* CSS Document */

/* 全局基础重置 - 补充QQ浏览器兼容，完善备选字体 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "MiSans-Regular","微软雅黑";
            -webkit-tap-highlight-color: transparent;
            tap-highlight-color: transparent;
        }

        /* 头部容器 - 保留Webkit前缀，兼容QQ浏览器旧内核 */
        .header {
            background-color: #fff;
            border-bottom: 1px solid #eee;
            padding: 16px 0;
            -webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.05);
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
        }

        /* 内容居中容器 - 保留Flex兼容前缀，优化QQ浏览器对齐稳定性 */
        .container {
            width: 80%;
            max-width: 1520px;
            margin: 0 auto;
            display: -webkit-flex;
            display: flex;
            align-items: center;
            justify-content: space-between;
            overflow: hidden;
        }

        /* Logo 区域 - 优化QQ浏览器图片显示，避免间隙 */
        .logo {
            display: block;
        }
        .logo img {
            height: 40px;
            display: block;
            object-fit: contain;
        }

        /* 导航+语言切换组合容器 - 放弃gap，改用margin实现间距（QQ浏览器兼容核心） */
        .nav-lang-group {
            display: -webkit-flex;
            display: flex;
            align-items: center;
        }

        /* 导航 - 给nav添加右侧margin，替代原gap，适配QQ浏览器 */
        .nav {
            margin-right: 40px;
        }

        /* 导航菜单 - 放弃gap，改用li的margin-right实现间距（QQ浏览器兼容核心） */
        .nav ul {
            list-style: none;
            display: -webkit-flex;
            display: flex;
            font-size: 0;
            letter-spacing: -0.3em;
            align-items: center;
        }

        .nav li {
            font-size: 16px;
            letter-spacing: normal;
            margin-right: 40px;
        }

        /* 清除最后一个li的右侧margin，避免导航整体右移错位 */
        .nav li:last-child {
            margin-right: 0;
        }

        .nav a {
            text-decoration: none;
            color: #000;
            font-size: 16px;
            font-weight: 500;
            -webkit-transition: color 0.3s;
            transition: color 0.3s;
            display: inline-block;
            line-height: 25.6px;
            letter-spacing: 0.5px;
            padding: 2px 0;
        }

        .nav a:hover {
            color: #00bfa5;
        }

        /* 语言切换容器 - 保留兼容配置，适配QQ浏览器 */
        .lang-switch {
            display: -webkit-flex;
            display: flex;
            background-color: #47d1c3;
            border-radius: 8px;
            overflow: hidden;
            align-items: center;
            -webkit-align-items: center;
            white-space: nowrap;
        }

        /* 语言切换选项 - 保留兼容配置，适配QQ浏览器 */
        .lang-item {
            font-size: 14px;
            cursor: pointer;
            -webkit-transition: background-color 0.3s;
            transition: background-color 0.3s;
            line-height: 22px;
            color: #FFF !important;
            -webkit-user-select: none;
            user-select: none;
            text-decoration: none;
            display: inline-block;
            padding: 3px 6px;
            vertical-align: middle;
        }

        .lang-item:hover {
            background-color: rgba(255, 255, 255, 0.2);
        }

        /* 手机端适配 - 同步改用margin实现间距，兼容手机端QQ浏览器 */
        @media (max-width: 768px) {
            .container {
                display: -webkit-flex;
                display: flex;
                -webkit-flex-wrap: wrap;
                flex-wrap: wrap;
                margin-bottom: 16px;
            }
            .nav-lang-group {
                width: 100%;
                -webkit-justify-content: space-between;
                justify-content: space-between;
            }
            .nav {
                margin-right: 20px;
            }
            .nav ul {
                font-size: 0;
                letter-spacing: -0.3em;
            }
            .nav li {
                font-size: 16px;
                letter-spacing: normal;
                margin-right: 20px;
            }
            .nav li:last-child {
                margin-right: 0;
            }
            .nav a, .lang-item {
                line-height: 22.4px;
            }
            .nav a {
                font-size: 16px;
                letter-spacing: 0.3px;
                color: #000;
            }
            .lang-switch {
                border-radius: 6px;
            }
            .lang-item {
                padding: 2px 4px;
                color: #FFF !important;
                line-height: 20px;
            }
        }

        /* 医疗横幅自适应样式 - 固定高度690px，无最大宽度限制 */
        .banner-container {
            width: 100%;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
            height: 577px;
        }
        .banner-img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            display: block;
            object-fit: cover;
        }
        /* 横幅小屏幕适配 */
        @media (max-width: 768px) {
            .banner-container {
                height: clamp(300px, 80vh, 577px);
            }
        }
		
		/* 底部导航样式 */
		.footer {
            background-color: #47d1c3;
            color: #ffffff;
            padding: 80px 60px 40px 60px;
            overflow: hidden;
        }
        .footer-nav {
            display: -webkit-flex;
            display: flex;
            -webkit-justify-content: space-between;
            justify-content: space-between;
            -webkit-align-items: flex-start;
            align-items: flex-start;
            max-width: 1520px;
            margin: 0 auto 30px;
            flex-wrap: wrap;
            -webkit-flex-wrap: wrap;
        }
        .footer-column {
            -webkit-flex: 1;
            flex: 1;
            padding: 0 20px;
            min-width: 160px;
            margin-bottom: 20px;
        }
        .footer-column h3 {
            font-size: 18px;
            margin-bottom: 20px;
            font-weight: normal;
            padding-left: 0;
            line-height: 24px;
        }
        .footer-column ul {
            list-style-type: none;
            padding-left: 0;
            margin: 0;
            line-height: 1.5;
        }
        .footer-column ul li {
            margin-bottom: 12px;
            font-size: 12px;
            padding-left: 0;
            text-align: left;
            line-height: 16px;
        }
        .footer-column ul li a {
            color: #ffffff;
            text-decoration: none;
            display: inline-block;
            -webkit-transition: color 0.2s ease;
            transition: color 0.2s ease;
        }
        .footer-column ul li a:hover {
            color: #e0e0e0;
        }
        .footer-copyright {
            text-align: center;
            font-size: 12px;
            padding-top: 20px;
            line-height: 16px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }