* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif
        }
        
        body {
            background: #f7f9fb;
            color: #333;
            line-height: 1.6
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px
        }
        
        .header {
            background: #0d4b8e;
            color: #fff;
            padding: 20px 0
        }
        
        .header .inner {
            display: flex;
            justify-content: space-between;
            align-items: center
        }
        
        .logo {
            font-size: 24px;
            font-weight: 700
        }
        
        .tel {
            font-size: 16px
        }
        
        .banner {
            background: url(/static/index/picture/yyk_banner.jpg) center top no-repeat;
            background-size: cover;
            height: 605px;
            display: flex;
            align-items: center;
            position: relative
        }
        
        .banner::after {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, .45)
        }
        
        .banner .container {
            position: relative;
            z-index: 2
        }
        
        .banner h1 {
            font-size: 42px;
            color: #fff;
            margin-bottom: 15px
        }
        
        .banner p {
            font-size: 18px;
            color: #fff;
            max-width: 600px;
            margin-bottom: 30px
        }
        
        .banner a {
            display: inline-block;
            background: #0d4b8e;
            color: #fff;
            padding: 12px 30px;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 500
        }
        
        .section {
            padding: 60px 0
        }
        
        .section-title {
            text-align: center;
            font-size: 28px;
            color: #222;
            margin-bottom: 40px;
            position: relative
        }
        
        .section-title::after {
            content: "";
            width: 60px;
            height: 3px;
            background: #0d4b8e;
            position: absolute;
            left: 50%;
            bottom: -10px;
            transform: translateX(-50%)
        }
        
        .medic-box {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px
        }
        
        .medic-item {
            background: #fff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, .06)
        }
        
        .medic-item img {
            width: 100%;
            height: 180px;
            object-fit: cover
        }
        
        .medic-item .text {
            padding: 20px
        }
        
        .medic-item h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: #222
        }
        
        .medic-item p {
            font-size: 14px;
            color: #666;
            line-height: 1.7
        }
        
        .advantage {
            background: #edf2f9;
            padding: 60px 0
        }
        
        .adv-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center
        }
        
        .adv-item {
            background: #fff;
            padding: 30px 20px;
            border-radius: 8px
        }
        
        .adv-item h3 {
            font-size: 16px;
            margin: 10px 0;
            color: #222
        }
        
        .adv-item p {
            font-size: 13px;
            color: #666
        }
        
        .standard {
            padding: 60px 0
        }
        
        .standard-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: center
        }
        
        .standard-text h3 {
            font-size: 22px;
            margin-bottom: 20px;
            color: #222
        }
        
        .standard-text li {
            list-style: none;
            padding-left: 20px;
            position: relative;
            margin-bottom: 12px;
            font-size: 15px
        }
        
        .standard-text li::before {
            content: "•";
            color: #0d4b8;
            position: absolute;
            left: 0;
            top: 0;
            font-size: 18px
        }
        
        .standard-img img {
            width: 100%;
            border-radius: 8px
        }
        
        .footer {
            background: #222;
            color: #ccc;
            text-align: center;
            padding: 30px 15px;
            font-size: 14px
        }
        
        @media(max-width:992px) {
            .medic-box {
                grid-template-columns: repeat(2, 1fr)
            }
            .adv-list {
                grid-template-columns: repeat(2, 1fr)
            }
            .standard-box {
                grid-template-columns: 1fr
            }
        }
        
        @media(max-width:576px) {
            .medic-box,
            .adv-list {
                grid-template-columns: 1fr
            }
            .banner h1 {
                font-size: 28px
            }
        }