#content{
    min-height: 100vh;
    padding-bottom: 60px;
}
#title{
    width: 100%;
    height: 170px;
    margin-top: 50px;
    background: url("../img/title_002.jpg") no-repeat;
    background-size: auto 100%;
    background-position: top center;
    text-align: center;
    color: #000;
}
#title h1{
    font-size: 34px;
    font-weight: 400;
    padding-top: 25px;
}
#title p{
    font-size: 16px;
    padding-top: 5px;
}
#content .case_box{
    width: 85%;
    padding: 10px;
    max-width:1000px;
    border: 1px solid #e8eef5;
    margin: 20px auto;
    font-size: 14px;
}
#content .img_box{
    width: 15%;
    float: left;
    padding-right: 20px;
    text-align: center;
}
#content .img_box img{
    max-width: 100%;
}
#content .img_box span{
    font-size: 16px;
    color: #000;
    margin-top: 10px;
}
#content .txt_box{
    width: 80%;
    float: left;
}
#content .txt_box h2{
    overflow: hidden;
    text-overflow:ellipsis;
    white-space: nowrap;
}
#content .txt_box dt{
    color:#999;
    float: left;
    line-height: 25px;
}
#content .txt_box dd{
    margin: 10px 0 10px 70px;
    line-height: 25px;
}
#content .txt_box a{
    color: #0070ba;
}
#content .txt_box a:hover{
    color: red;
}
@media screen  and (max-width: 800px){
    .min{
        width: 100%;
        max-width: none;
        min-width:inherit;
    }
    #page_size_box {display: none}
    #header{
        height: 50px;
    }
    #header .logo{margin-left: 20px;width: 30%;padding: 5px 0;}
    #header .btn{
        font-size: 14px;
        width: 50px;
        line-height: 50px;
    }
    #header .nav_list li{float: none;}
    #header #mobile_nav_btn{display: block;}
    #header .nav_list{display: block;  padding-top: 50px;}
    #header .nav_list a{
        font-size: 14px;
        line-height: 40px;
    }
    #header .nav_txtbox{
        display: block;
        border-top: 1px solid #ccc;
        border-bottom: 1px solid #ccc;
    }
    #header .nav_txtbox p{
        display: block;
        width: 50%;
        padding: 10px;
        font-size: 14px;
        line-height: 25px;
        color: #fff;
    }
    #content .img_box{
        padding-right: 10px;
    }
    #header .nav_txtbox img{
        width: 120px;
        height: 120px;
        margin: 10px;
    }
    #content .img_box span{
        font-size: 12px;
    }
    #content .txt_box h2{
        font-size: 14px;
    }
    #content .txt_box dt{
        font-size: 12px;
        line-height: 20px;
    }
    #content .txt_box dd{
        font-size: 12px;
        line-height: 20px;
        margin: 5px 0 5px 58px;
    }
    #footer{
        margin-top: 0;
    }
    #footer .fr{display: none}
    #footer p{
        font-size: 10px;
        line-height: 20px;
        padding: 0 10px;
    }
    #footer .copy p:nth-child(1){
        display: none;
    }
}
@media screen and (max-width: 600px){
    #content .img_box{
        float: none;
        width: 50%;
        margin: 0 auto;
        margin-bottom: 10px;
    }
    #content .txt_box{
        width: 100%;
        float: none;
    }
    #content .txt_box h2{
       text-overflow: clip;
        white-space: inherit;
    }
    #content .txt_box dl dt{
        float: none;
        margin-top: 10px;
    }
    #content .txt_box dl dd{
        margin: 0;
        padding-left: 20px;
    }
}