.banner{
    width: 100%;
    height: 590px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner .background {
    position: absolute;
    top: 89px;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}


.banner .text {
    position: relative;
    z-index: 1;
    text-align: center;
}

.banner .text span {
    font-size: 36px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #FFFFFF;
    margin: 0 0 14px 0;
    display: block;
}

.banner .text p {
    font-size: 14px;
    font-weight: normal;
    color: #FFFFFF;
    text-transform: uppercase;
}

.banner .white {
    width: 1520px;
    height: 150px;
    background-image: linear-gradient(rgba(255, 255, 255, 0.8), #fff);
    position: absolute;
    left: 50%;
    bottom: 0;
    margin-left: calc(-1520px / 2);
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner .white div {
    display: flex;
    align-items: center;
}

.banner .white div a {
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
    margin: 0 114px 0 0;
    position: relative;
    line-height: 70px;
}

.banner .white div a:last-child {
    margin: 0;
}

.banner .white div a:after {
    content: '';
    position: absolute;
    top: 50%;
    right: -50px;
    transform: translateY(-50%);
    width: 1px;
    height: 15px;
    background: #CCCCCC;
}

.banner .white div a:last-child:after {
    display: none;
}

.banner .white div a:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: #283A79;
    transition: 0.3s;
}

.banner .white div a:hover:before {
    width: 100px;
}

.banner .white div .active:before {
    width: 100px;
}

.section{
    width: 100%;
    overflow: hidden;
}
.section .warp{
    width: 1520px;
    margin: 95px auto 147px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.section .warp a{
    width: 720px;
    height: 60px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #CCCCCC;
    position: relative;
}
.section .warp a:after{
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 1px;
    background: #283A79;
    transition: 0.3s;
}
.section .warp a:hover:after{
    width: 100%;
}
.section .warp a .iconfont{
    color: #002FA7;
    font-size: 20px;
    margin: 0 19px 0 0;
}
.section .warp a p{
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
}
.popup{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 9999;
    pointer-events: none;
    opacity: 0;
    transition: 1s;
}
.popup .item{
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    opacity: 0;
    transition: 1s;
    position: absolute;
    top: 0;
    left: 0;
}
.events_active{
    opacity: 1!important;
    pointer-events: unset!important;
}
.popup .item .mask{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 0;
}
.popup .certificate{
    position: relative;
    z-index: 1;
}
.popup .item .certificate .picture{
    width: 993px;
    height: 728px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.9) perspective(300px) rotateX(5deg);
    transition: 0.6s;
}
.popup .events_active .certificate .picture{
    transform: scale(1) perspective(300px) rotateX(0deg);
}
.popup .certificate .picture img{
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.popup .certificate .iconfont{
    text-align: center;
    margin: 27px 0 0 0;
    color: #fff;
    font-size: 33px;
    cursor: pointer;
}
@media screen and (max-width: 1856px) {

}
@media screen and (max-width: 1792px) {

}
@media screen and (max-width: 1680px) {
    .section .warp{
        width: 85%;
    }
    .section .warp a{
        width: 48%;
    }
}
@media screen and (max-width: 1600px) {

}
@media screen and (max-width: 1440px) {
    .banner .white {
        width: 80%;
        margin-left: calc(-80% / 2);
    }
}
@media screen and (max-width: 1400px) {
}

@media screen and (max-width: 1366px) {
    .banner .background{
        top: 76px;
    }
}
@media screen and (max-width: 1025px) {
    .section .warp{
        margin: 51px auto 60px;
        width: 90%;
    }
    .section .warp a{
        width: 100%;
    }
    .section .warp a p{
        font-size: 12px;
    }
    .popup .item .certificate .picture{
        width: 80%;
        margin: auto;
    }
}

@media screen and (max-height: 900px) {
    .popup .item .certificate .picture{
        height: 70vh;
    }
}
