/* .db_head{background-color: transparent;height: 162px;}
.db_head_r{background-color: #1c4587;border-radius: 10px;}
.db_index{margin-top: -162px;} */

.di_banner{position: relative;}
.di_banner_t{position: absolute;top: 0;left: 0;right: 0;bottom: 0;z-index: 2;display: flex;flex-direction: column;align-items: center;justify-content: center;}
.di_banner_t>h1{color: #fff;font-weight: bold;font-size: 31px;text-align: center;}
.di_banner_btn{margin-top: 160px;}
.di_banner_btn>a{display: block;width: 282px;height: 48px;line-height: 48px;text-align: center;background-image: linear-gradient(to bottom,#5b9aff,#1c4587) ;color: #fff;border-radius: 3px;margin-bottom: 10px;}
.di_banner_btn>a:hover{background-image: linear-gradient(to bottom,#88b76e,#246500) ;}
.di_banner_i{height: calc(100vh - 120px);width: 100%;object-fit: cover;}
.dot_list{position: absolute;bottom: 50px;text-align: right;left: 50%;transform: translateX(-50%);}
.dot_list>li{display: inline-block;width: 20px;height: 20px;font-size: 0;outline: 0;margin-right: 20px;transition: all .5s;cursor: pointer;background-color: #ccc;border-radius: 50%;}
.dot_list>li:last-child{margin-right: 0;}
.dot_list>.slick-active{background-color: #fff;}
.dot_list>li button{display: none;}

/* .di_part{background: url('/images/part/15.jpg') no-repeat bottom;background-size: cover}
.di_part_c{padding: 100px 0 300px;}
.di_part_w{display: flex;justify-content: center;flex-wrap: wrap;background-color: #fff;padding: 50px;margin-top: 50px;}
.di_part_w>img{height: 70px;margin-bottom: 46px;margin-right: 10px;}

.di_about{}
.di_about_c{color: #fff;text-align: center;padding: 100px 0;}
.di_about_w{display: flex;justify-content: space-between;align-items: center;margin: 60px 0 0;}
.di_about_w>img{width: 23%;} */

.di_rech_c{position: relative;display: flex;flex-wrap: wrap;padding: 60px 0;}
.di_rech_i{width: 590px;margin-right: 20px;margin-bottom: 20px;position: relative;cursor: pointer;}
.di_rech_i:nth-child(2n){margin-right: 0;}
.di_rech_i>img{width: 100%;height: 300px;object-fit: cover;}
.di_rech_i>h1{position: absolute;left: 0;right: 0;top: 0;bottom: 0;background-color: rgba(0,125,172,0.8);display: flex;justify-content: center;align-items: center;opacity: 0;transition: .6s ease;font-size: 22px;font-weight: bold;color: #fff;}
.di_rech_i>h1:hover{opacity: 1;}



@media screen and (max-width: 766px) {
    .db_head{height: 6rem;}

    .di_banner_i{height: calc(100vh - 6rem);}
    .di_banner_t{bottom: 0;}
    .di_banner_t>h1{font-size: 2rem;line-height: 2;padding: 0 1.5rem;}
    .di_banner_btn{margin-top: 10rem;}
    .di_banner_btn>a{height: 3.6rem;line-height: 3.6rem;font-size: 1.2rem;width: 20rem;}
    .dot_list{bottom: 2rem;}
    .dot_list>li{width: 2rem;height: 2rem;}

    .di_rech_i{width: 100%;margin-right: 0;}
    .di_rech_i>img{height: 20rem;}

    /* .di_part_c{padding: 10rem 0 20rem;}
    .di_part_w{margin-top: 3rem;padding: 1.5rem;}
    .di_part_w>img{height: unset;width: 48%;margin-right: 4%;}
    .di_part_w>img:nth-child(2n){margin-right: 0;}

    .di_about_c{padding: 6rem 0;}
    .di_about_w{margin: 4rem 0 0;flex-direction: column;}
    .di_about_w>img{width: 100%;margin-bottom: 1rem;} */
    
}