@charset "utf-8";
    body {
        overflow: hidden;
    }
    
    .con_left {
        width: 20.83%;
        height: 100vh;
        float: left;
        position: relative;
        background: url(../images/bg1.jpg) no-repeat center;
        background-size: cover;
    }
    
    .logo {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
    }
    
    .phone_logo {
        display: none;
    }
    
    .con_right {
        margin-left: 20.83%;
        height: 100vh;
        position: relative;
        background: url(../images/bg2.jpg) no-repeat center;
        background-size: cover;
    }
    
    .list1 {
        width: 50%;
        max-width: 630px;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }
    
    .list1 li {
        width: 50%
    }
    
    .list1 li a {
        display: block;
        width: 100%;
        height: 0;
        padding-bottom: 100%;
        background-color: #0077b6;
        position: relative;
        transition: all 0.3s ease;
    }
    
    .list1 li a:hover {
        transform: translateY(-10px);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    }
    
    .list1 li a::before {
        content: '';
        width: calc(100% - 20px);
        height: calc(100% - 20px);
        border: 1px dashed #fff;
        position: absolute;
        left: 10px;
        top: 10px;
        opacity: 0.3;
        border-radius: 10px;
        border-style: dashed;
    }
    
    .list1 li a>div {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        color: #fff;
        text-align: center;
        width: 90%;
    }
    
    .list1 li h3 {
        white-space: nowrap;
        padding-bottom: 12px;
        font-size: 30px;
    }
    
    .list1 li p {
        opacity: 0.7;
        text-transform: uppercase;
        font-size: 16px;
    }
    
    .list1 .li2 {
        margin-left: 50%;
    }
    
    .list1 .li2 a {
        background-color: #014fa0;
    }
    
    @media screen and (min-width: 300px) and (max-width: 1920px) {
        .list1 li h3 {
            font-size: calc(16px + 0.8vw);
        }
    }
    
    @media screen and (max-width:996px) {
        .list1 {
            width: 70%;
        }
    }
    
    @media screen and (max-width:767px) {
        .con_left {
            width: 100%;
            height: auto;
            background-size: cover;
            float: none;
        }
        .logo {
            position: relative;
            left: 0;
            top: 0;
            transform: none;
            z-index: 20;
            padding: 40px 0;
        }
        .phone_logo {
            display: block;
            margin: 0 auto;
        }
        .pc_logo {
            display: none;
        }
        .con_right {
            margin-left: 0;
            height: auto;
        }
        .list1 {
            width: 80%;
            max-width: none;
            position: relative;
            transform: none;
            top: 0;
            left: 0;
            margin: 0 auto;
            padding: 40px 0;
        }
    }
    
    @media screen and (max-width:480px) {
        .list1 li {
            width: 90%;
            margin: 0 auto 25px !important;
        }
        .list1 li a {
            padding-bottom: 80%;
        }
    }