.banner {
    width: 100%;
}

.banner img {
    display: block;
    width: 100%;
    object-fit: cover;
    min-height: 21.875rem;

}

.about_list {
    background: #ffff;
    width: 100%;
    padding: .75rem 0 0;
    border-bottom: 1px solid #E5E5E5;
}

.about_list .center {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: auto;
}

.about_list .center a {
    display: block;
    white-space: nowrap;
    padding-bottom: .75rem;
    position: relative;
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 1rem;
    color: #333333;
    line-height: 1.25rem;
    text-align: center;
    font-style: normal;
    text-transform: none;
    transition: all 0.2s ease-in-out;
    margin: 0 1.125rem;
}

.about_list .center a:hover {
    color: #0154A4;
}

.about_list .center a::after {
    content: '';
    display: block;
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 0%;
    height: 1px;
    background: #0154A4;
    transition: all 0.3s ease-in-out;
}

.about_list .center a:hover::after {
    left: 0;
    width: 100%;
}

.about_list .center a.act {
    color: #0154A4;
}

.about_list .center a.act::after {
    left: 0;
    width: 100%;
}

.partner {
    width: 100%;
    padding-top: 3.125rem;
    padding-bottom: 5rem;
}

.partner .center .types{
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
}
.partner .center .types li{
    width: 150px;
    height: 40px;
    background: #FFFFFF;
    border-radius: 20px;
    border: 1px solid #E5E5E5;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 10px;
    font-size: 16px;
    line-height: 32px;
    cursor: pointer;
}
.partner .center .types li span{
    font-size: 20px;
    margin-right: 6px;
}
.partner .center .types li.act{
    color: #0154A4;
}

.partner .center .list .list1{
    display: flex;
    flex-wrap: wrap;
}

.partner .center .list .list1 li{
    width: 23.575%;
    margin-right: 1.9%;
    margin-bottom: 1.625rem;
    border: 1px solid #E5E5E5;
    aspect-ratio: 340/252;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffff;
    position: relative;
}
.partner .center .list .list1 li .img img {
    display: block;
    width: 100%;
    max-height: 100%;
}
.partner .center .list .list1 li .con{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    padding: .9375rem;
    background: #0154A4;
    opacity: 0.9;
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #ffffff;
}
.partner .center .list .list1 li .con h3{
    font-size: 1.25rem;
    line-height: 2rem;
}
.partner .center .list .list1 li .con p{
    font-size: 1rem;
    line-height: 2rem;
    margin-top: .3125rem;
}
.partner .center .list .list1 li .con a{
    display: block;
    margin-top: 1.25rem;
    width: 7.5rem;
    height: 1.875rem;
    border: 1px solid #ffffff;
    border-radius: .9375rem;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: .75rem;
    color: #ffffff;
}
.partner .center .list .list1 li .con a span{
    font-size: .75rem;
    color: #ffffff;
    margin-left: .625rem;
}
.partner .center .list .list1 li:nth-child(4n) {
    margin-right: 0;
}
.partner .center .list .list1 li:hover .con{
    display: flex;
}

.partner .center .list>li{
    height: 0;
    overflow: hidden;
}
.partner .center .list>li.act{
    height: auto;
}
.partner .center .list .china #china_map{
    width: 100%;
    height: 850px;
}


@media (max-width: 768px) {
    .banner img{
        min-height: 12.5rem;
    }

    .about_list .center{
        justify-content: flex-start;
    }

    .partner{
        padding: 1.875rem 0;
    }
    .partner .center .list .list1 li{
        width: 49%;
        margin: 0 2% 2% 0;
    }
    .partner .center .list .list1 li:nth-child(2n){
        margin: 0 0 2%;
    }

    .partner .center .list .china #china_map{
        height: 300px;
    }
    .partner .center .list .world #world_map{
        height: 300px!important;
    }
}