@charset 'utf-8';
* {
    margin: 0;
    padding: 0;
    text-align: center;
}
.header-box > a.logo {
    display: block;
    float: left;
    width: 203px;
    height: 76px;
    background: url(../img/ylblogo.png?v=1) no-repeat 50% 40%;
    margin-top: 0px;
    background-size: contain;
}

.header {
    width: 100%;
}

.head {
    position: relative;
}

.ylbbtn {
    width: 18.6%;
    position: absolute;
    top: 64.5%;
    left: 18.7%;
    z-index: 1;
}

.advantage {
    margin: -60px auto;
}

.ad_first {
    display: flex;
    justify-content: center;
}

.ad_first > li {
    list-style: none;
    box-shadow: 0 0 13px #67b8fd;
}

.figure > img {
    width: 100%;

}
.ad_first figure {
    position: relative;
    height: 337px;
}

.ad_first figcaption {
    width: 100%;
    color: white;
    position: absolute;
    top: 0;
}
.ad_first figcaption h1{
    font-size: 72px;
    margin-top: 80px;
}
.ad_first figcaption p{
    font-size: 36px;
    letter-spacing: 2px;
    margin-top: 25px;
}
.ad_second{
    padding-bottom: 50px;
    background-image: url('../img/bg2.png');
    background-size: cover;
}
.quot{
    margin-top: 55px;
}
.title{
    font-size: 60px;
    font-weight: 600;
    color: #353535;
    letter-spacing: 2px;
}
.desc{
    font-size: 30px;
    color: #0089ff;
    margin-top: 35px;
    line-height: 60px;
}
.kuang{
    width: 415px;
    border: solid 2px #414141;
    margin: 40px auto;
    font-size: 36px;
    line-height: 66px;
    color: #414141;
}
.blod{
    font-size: 30px;
}
.multi{
    padding-top: 140px;
}
.title2{
    font-size: 60px;
    font-weight: 600;
    color: #353535;
    letter-spacing: 2px;
    margin-top: 30px;
}
.multi-item{
    overflow: hidden;
    display: flex;
    justify-content: center;
    margin-top: 30px;
}
.multi-item li{
    float: left;
    list-style: none;
    display:inline;
    margin:0 40px 0 40px ;
}
.multi-item li img{
    margin-top: 10px;
    border-radius: 10px;
    box-shadow: 0 0 13px #b7dafd;
}
.multi-item li p{
    font-size: 24px;
    color: #7c7c7c;
}
.blod2{
    font-size: 30px;
    margin-top: 40px;
}
.multi_second{
    background: url("../img/bg2.png");
}
.multi_second img{
    margin-top: 20px;
    margin-bottom: -138px;
}
.apply{
    color: white;
    margin-top: 225px;
    background: url("../img/apply_bg.png") ;
    background-size: 100% 100%;
    padding-bottom: 100px;
}
.apply_title{
    font-size: 60px;
    font-weight: 600;
    margin-top: 30px;
}
.apply_text{
    font-size: 30px;
    margin-top: 40px;
}
.function_img{
    width: 1280px;
}
.why{
    background: url("../img/why.png") ;
    background-size: 100% 100%;
    color: white;
    padding-bottom:100px;
}
.why_quot{
    margin-top: 85px;
}
.why_title{
    font-size: 60px;
    font-weight: 600;
    margin-top: 30px;
}
.why-item>div{
    text-align: left;
    margin-top: 40px;
}
.why-item>div>img{
    vertical-align:middle;
}
.why-item>div>span{
    font-size: 35px;
    vertical-align:middle;
    margin-left: 5px;
}
.why-item{
    width: 950px;
    margin:20px auto 0 auto;
}
.why-item>p{
    font-size: 30px;
    text-align: left;
    font-weight: 100;
}