*{transition: all .2s;}
.main .inclul{width: 800px;}
.topbanner{width: 100%;background-repeat: no-repeat;background-size: cover;background-position: center;margin-top: 40px;height: 500px;}

.bottomdel{/*background-color: #212121;*/padding: 97px 0 97px 0;background-repeat: no-repeat;background-size: 100% auto;/*min-height: 400px;*/}
/*.delLogoImg img{max-width: 100%;width: auto;margin-bottom: 50px;margin-top: 55px;}*/
.delcontent img{max-width: 100%;width: auto;margin: 0;}
.delcontent span.SourceHanSansCN_Bold{font-size: 24px;}
.deltitle{margin-bottom: 30px;font-size: 24px;}
.delcontent {margin-bottom: 55px;margin-top: 55px;word-break: break-all;}
.delcontent p,.delcontent span{font-family: SourceHanSansCN_Regular !important;letter-spacing: 1px !important;}

.botpro{width: 72.92%;min-width: 1080px;max-width: 1400px;margin: 0 auto;padding-bottom: 145px;}
.botpro ul{height: 100%;display: flex;flex-wrap: wrap;}
.botpro ul li{/* flex: 25%; */height: 100%;background-size: cover;background-repeat: no-repeat;background-position: center;background-color: #323232;width: 33%;}
.botpro ul li:nth-child(2){margin: 0 .5%;}
.botpro ul li p{position: absolute;bottom: 20px;left: 20px;right: 20px;}
.botpro ul li a{width: 100%;height: 100%;display: inline-block;overflow: hidden;position: relative;}
.botpro ul li:hover .cover_case {display: block;-webkit-animation: fadeIn .5s both;-o-animation: fadeIn .5s both;-ms-animation: fadeIn .5s both;-moz-animation: fadeIn .5s both;animation: fadeIn .5s both;filter: alpha(opacity=100)\9;-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)"\9;}
.botpro ul li:hover .cover_case .tittle {-webkit-animation: fadeInUp 1s .1s both;-o-animation: fadeInUp 1s .1s both;-ms-animation: fadeInUp 1s .1s both;-moz-animation: fadeInUp 1s .1s both;animation: fadeInUp 1s .1s both;}
.botpro ul li:hover .cover_case .des {-webkit-animation: fadeInUp 1s .3s both;-o-animation: fadeInUp 1s .3s both;-ms-animation: fadeInUp 1s .3s both;-moz-animation: fadeInUp 1s .3s both;animation: fadeInUp 1s .3s both;}
.botpro ul li img{width: 101%;min-height: 100%;/*_height: 100%;*height: 100%;*/transition: all 0.4s;-moz-transition: all 0.4s;-webkit-transition: all 0.4s;-o-transition: all 0.4s;transform: scale(1.02);-moz-transform: scale(1.02);-webkit-transform: scale(1.02);-o-transform: scale(1.02);}
.botpro ul li:hover img {transform: scale(1.1);-moz-transform: scale(1.1);-webkit-transform: scale(1.1);-o-transform: scale(1.1);}

@media screen and (max-width: 1440px) {
    .main .inclul{width: 600px;}
    .deltitle{margin-bottom: 20px;font-size: 18px;}
    .delcontent {margin-bottom: 35px;margin-top: 35px;font-size: 12px;}
    .botpro{padding-bottom: 110px;}
    .delLogoImg img{margin-bottom: 35px;margin-top: 35px;}
}