.case_header{
    width: 100%;
    height: 500px;
    margin: 0 auto;
    background: url("../image/图片 3 Copy@1x.png")no-repeat;
    position: relative;
    background-size: 100% 100%;
}

.case_header .header_top{
/*    width: 100%;
    margin: 0 auto;
    background: url("../image/矩形 6@1x.png")no-repeat;*/
   /* position: absolute;
    top: -50px;*/
    position: absolute;
    width: 90%;
    margin: 0 auto;
    margin-top: -60px;
    background: #fff;
    padding: 20px;
    border-radius: 20px;
    transform: translate(5%);
}
.top li img{
    width: 90px;
    height:90px;
}
.case_header .top{
    width: 100%;
    display: flex;
    justify-content: space-around;
    text-align: center;
}

.case_header .top li{
    width: 14%;
}

.case_header .bottom {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-top: 30px;
}

.case_header .bottom li{
    position: relative;
    width: 20%;
}

.case_header .bottom li:nth-child(5){
   margin-bottom: 30px;
}

.case_header .bottom li.normal p{
    width: 200px;
    position: absolute;
    left: 0px;
    bottom: -10px;
    color: #FFFFFF;
    letter-spacing:0.5em;
    background: url('../image/矩形 4 Copy 3@1x.png') no-repeat;
    text-align: center;
}

.case_header .bottom li.all p{
    position: absolute;
    left: 58px;
    bottom: -10px;
    color: #FFFFFF;
    letter-spacing:0.5em;
}

.case_header .bottom li p.front_5{
    bottom: 20px;
}

.case_header .bottom li:nth-child(5) p{
    bottom:-10px;
}

.case_header .bottom li p.img{
    top: 10px;
    left: 20px;
}

.case_header .bottom li p.more{
    top: 30px;
    left: 20px;
    font-size: 12px;
    letter-spacing: normal;
}

.case_header .bottom li p.all{
    bottom: 8px;
    left: 20px;
    font-size: 12px;
    letter-spacing: normal;
    background: #DEEFFE;
    border-radius: 5px;
    padding: 1px 3px;
    color: #3A85FF;
}

.search{
    height: 100px;
/*    width: 80%;*/
    margin: 0 auto;
    margin-top: 50px;
    text-align: center;
}

.search input.search_key{
    border: 1px solid #585757;
    width: 800px;
    height: 50%;
    border-radius: 20px;
    /*margin-left: 250px;*/
    padding-left: 20px;
}

.search input.search_btn{
    border: 1px solid #585757;
    width: 100px;
    height: 50%;
    border-radius: 10px;
    background-color: #016EFF;
    color: #FFFFFF;
}

.list{
    width: 85%;
    margin: 20px auto;
}

.list>ul{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.list>ul>li{
/*    position: relative;*/
    width: 270px;
    text-align: center;
}

.list>ul>li:nth-child(4){
/*    margin-bottom: 30px;*/
}

.list>ul>li>p{
/*    width: 200px;*/
    font-weight: bold;
    text-align: center;
    margin: 10px 0px;
}

.list>ul>li>ul{
/*    margin-left: -40px;*/
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.list>ul>li>ul>li{
    font-size: 12px;
    width: 33.3%;
    padding: 10px 0px;
}

.list>ul>li>ul>li:nth-child(3){
/*    margin-bottom: 20px;*/
}