* {
    padding: 0;
    margin: 0;
}

body{
    min-width: 100%;
    min-height: 100%;
    font-family: sans-serif;
}
#container{
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content:space-between;

}
#header {
    position: relative;
    flex: 1 0 auto;
    width: 100%;
    height: 670px;
}
#header_top{
    position: fixed;
    width: 100%;
    background-color: white;
    z-index: 100;
}

#header_top ul{
    position: relative;
    /*float: bottom;*/
    margin:10px 0px 10px 50px ;
    text-align: center;
}
#header_top ul li{
    font-size: 20px;
    color: black;
    display:inline-block; /*设置元素是否被视为块或者内联元素*/
    padding:10px 20px ; /*元素内填充*/
    height:30px;
    margin:0px 0px 0px -4px ; /*设置所有外边距属性*/
    /*line-height:34px;*/
    cursor:pointer; /*鼠标指针放在一个元素边界范围内时所用的光标形状*/
}

#header_top ul li:hover{
    color: #2387c7;
}
.icon{
    position: relative; /*相对定位*/
    left: -110px;
    top: 10px;

}
.header_div{
    position: relative;
    display:none;
    width: 100%;

}
.header_div:nth-child(1){
    display:block;
}
#head_div{
    text-align: center;
}


.active{
    border-bottom: #2387c7 2px solid;
}
#header_bg{
    /*background-color: rgb(255, 208, 0);*/
    background-image: url("https://yj-website.oss-cn-hangzhou.aliyuncs.com/banners/bg.jpg");
    /*background-image: url("../photos/bg.jpg");*/
    background-size: 100% 100%;
    background-repeat: no-repeat;
    position: absolute;
    padding: 0px;
    width: 100%;
    height: 100%;
    top: 70px;
    left: 0;


}
.div_one{
    background-color: whitesmoke;
    opacity:0.8;
    width: 240px;
    height: 150px;
    border-radius: 40px 0px 0px 40px;
    position: relative;
    top: 8%;
    left: 40%;
}
.div_two{
    background-color: whitesmoke;
    opacity:0.8;
    width: 240px;
    height: 150px;
    border-radius: 0px 40px 40px 0px;
    position: relative;
    top:11%;
    left: 14%;
}
.div_three{
    background-color: whitesmoke;
    opacity:0.8;
    width: 240px;
    height: 150px;
    border-radius: 0px 40px 40px 0px;
    position: relative;
    top: 30%;
    left: 19%;
}
.div_four{
    background-color: whitesmoke;
    opacity:0.8;
    width: 240px;
    height: 150px;
    border-radius: 0px 40px 40px 0px;
    position: relative;
    top: 8%;
    left: 49%;
}
.div_five{
    background-color: whitesmoke;
    opacity:0.8;
    width: 240px;
    height: 150px;
    border-radius: 40px 0px 0px 40px;
    position: relative;
    bottom: 15%;
    left: 72%;
}
.base{
    position: absolute;
    border-radius:50%;

}
.title{
    /*background-color: red;*/
    width: 140px;
    height: 130px;
    /*color: #2691d1;*/
    font-size: 18px;
    font-weight: lighter;
    /*padding-left: 15px;*/
    /*padding-top: 15px;*/
    position: absolute;
    left: 0;
    right: 40px;
    top: 10px;
    bottom: 0;
    margin: auto;
}
.title_other{
    /*background-color: red;*/
    width: 180px;
    height: 80px;
    /*color: #2691d1;*/
    font-size: 18px;
    font-weight: lighter;
    /*padding-left: 15px;*/
    /*padding-top: 15px;*/
    position: absolute;
    left: 17%;
    right: 0;
    top: 0;
    bottom: 0;
    /*left: 45px;*/
    /*right: 0;*/
    /*top: 30px;*/
    /*bottom: 0;*/
    margin: auto;
}
.title_repair{
    width: 160px;
    height: 130px;
    font-size: 18px;
    font-weight: lighter;
    position: absolute;
    left: 0;
    right: 40px;
    top: 60px;
    bottom: 0;
    margin: auto;
}
.a_code{
    text-decoration: none;
    color: #2691d1;
    /*color: #006400;*/
}
.box{
    width: 70%;
    height: 70%;
    visibility: hidden;
    border-radius: 10px;
    border: 5px solid yellowgreen;
    background-color: whitesmoke;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 50px;
    margin: auto;
    overflow: hidden;
}
.box_img{
    width: 100%;
    height:100%;
    object-fit: cover;
    /*transition: all 0.3s;*/
}
.box_close{
    position: absolute;
    /*background-color: red;*/
    border-radius:50%;
    width: 20px;
    height: 20px;
    top: 1%;
    left: 97%;
}
.box_zoo{
    position: absolute;
    background-color: red;
    border-radius:50%;
    width: 50px;
    height: 50px;
    top: 50%;
    left: 50%;
}
.enlarge {

    transform: scale(1.1);
}

.base_one{
    bottom: -20px;
    left: 70%;
}
.base_two{
    bottom: -17px;
    left: -56%;
}
.base_three{
    bottom: -17px;
    left: -56%;
}
.base_four{
    bottom: -13px;
    left: -56%;
}
.base_five{
    bottom: -17px;
    left: 76%;
}
.base_six{
    /*opacity: 0.8;*/
    top: 34%;
    left: 34%;
}
.base_seven{
    top: 6%;
    left: 70%;
}
.base_eight{
    top: 26%;
    left: 82%;
}
.base_nine{
    opacity: 0.8;
    top: 4%;
    left: 18%;
}