.top_lb{
    width: 100vw;
    height: 700px;
}
.top_lb .swiper-slide{
    position: relative;
    width: 100% !important;
    height: 700px;
}
.banner1>img:first-child{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.banner1>img:nth-child(2){
    position: absolute;
    top: 120px;
    left: 544px;
    width: 832px;
    height: 41px;
}
.banner1>img:nth-child(3){
    position: absolute;
    top: 260px;
    left: 285px;
    width: 1350px;
    height:105px;
}
.banner1>img:nth-child(4){
    position: absolute;
    top: 420px;
    left: 460px;
    width: 1000px;
    height:40px;
}
.banner2>img:first-child{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.banner2>img:nth-child(2){
    position: absolute;
    top: 220px;
    left: 165px;
    width: 892px;
    height: 77px;
}
.banner2>img:nth-child(3){
    position: absolute;
    top: 350px;
    left: 165px;
    width: 766px;
    height:38px;
}
.banner2>img:nth-child(4){
    position: absolute;
    top: 470px;
    left: 165px;
    width: 242px;
    height:56px;
}
.banner3>img:first-child{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.banner3>img:nth-child(2){
    position: absolute;
    top: 170px;
    left: 120px;
    width: 936px;
    height: 140px;
}
.banner3>img:nth-child(3){
    position: absolute;
    top: 330px;
    left: 120px;
    width: 904px;
    height:102px;
}
.banner3>img:nth-child(4){
    position: absolute;
    top: 470px;
    left: 165px;
    width: 242px;
    height:56px;
}
.banner4>img:nth-child(1){
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.swiper-pagination-bullet-active{
    background: #ffffff;
}
.swiper-pagination-bullet{
    width: 60px;
    border-radius: 0;
}
.products{
   background: #ffffff;
    padding: 80px 0 100px 0;
    width: 100vw;
    box-sizing: border-box;
}
.product_part{
    background: url("../img/products_bg.png") no-repeat center/100% 100%;
    width: 75%;
    margin: 0 auto;
}
.product_title{
    display: block;
    width: 20%;
    margin: 0 auto;
}
.product_list{
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    margin: 0 auto;
    padding: 80px 0 110px 0;
    box-sizing: border-box;
}
.product_item{
    width: 140px;
    background: url("../img/product_bg.png") no-repeat center/100% 100%;
    padding: 40px 0;
    box-sizing: border-box;
}
.product_item>img{
    display: block;
    height: 50px;
    margin: 0 auto;
}
.product_item>p{
    text-align: center;
    margin-top: 10px;
    font-size: 12px;
    color: #1555FF;
    font-weight: bolder;
    width: 100%;
}
.product_item_p{
    font-size: 12px !important;
    box-sizing: border-box;
    padding: 0 5px;
}
.aboutus{
    background: url("../img/about_bg.jpg") no-repeat center/100% 100%;
    padding: 80px 0;
    box-sizing: border-box;
    width: 100vw;
}
.aboutus_part{
    width: 75%;
    margin: 0 auto;
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    align-items: center;
}
.aboutus_part_left{
    width: 55%;
}
.aboutus_part_right{
    width: 43%;
}
.aboutus_part_right>video{
    display: block;
    width: 90%;
    margin-left: 10%;
}
.aboutus_part_left>img{
    width: 150px;
    display: block;
    margin-bottom: 30px;
}
.aboutus_part_left_title{
    width: 300px !important;
}
.aboutus_part_left_des{
    color: #666666;
    font-size: 15px;
    line-height:30px;
    margin-bottom: 20px;
    text-indent: 2em;
}
.aboutus_part_left_bottom{
    display: flex;
    display: -webkit-flex;
    justify-content: center;
}
.aboutus_part_left_bottom_item:not(:last-child){
    margin-right: 70px;
}
.aboutus_part_left_bottom_item>div:first-child{
    display: flex;
    display: -webkit-flex;
    align-items: flex-end;
}
.aboutus_part_left_bottom_item>div:first-child>span:first-child{
    color: #1555FF;
    font-weight: bolder;
    font-size: 50px;
}
.aboutus_part_left_bottom_item>div:first-child>span:last-child{
    color: #666666;
    font-size: 14px;
    padding-bottom: 12px;
    margin-left: 5px;
}
.aboutus_part_left_bottom_item>p{
   text-align: center;
    color: #666666;
    font-size: 15px;
    font-weight: bolder;
}
.aboutus_part_left_more{
    display: block;
    height: 30px;
    line-height: 30px;
    font-size: 13px;
    width: 15%;
    text-align: center;
    margin-left: 85%;
    margin-top: 30px;
    background: linear-gradient(to right,#3BA6FF,#1555FF);
    color: #ffffff;
    letter-spacing: 1px;
}
.qyinfo{
    background: #EAF0F9;
    padding: 50px 0;
    box-sizing: border-box;
    width: 100vw;
}
.qyinfo_top{
    position: relative;
    width: 100%;
    margin-bottom: 50px;
    padding-top: 47px;
}
.qyinfo_top>img{
    width:15%;
    top: 0;
    left: 42.5%;
    z-index: 100;
    position: absolute;

}
.qyinfo_top>div{
    width: 100%;
    height: 1px;
    background: #D4D1D1;
    left: 0;
    bottom: 2px;
    position: absolute;
}
.qyinfo_title_div{
    bottom: 12px !important;
}
.qyinfo_part{
    width: 75%;
    margin: 0 auto;
    display: flex;
    display: -webkit-flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.qyinfo_part>a{
    width: 24%;
    margin-bottom: 20px;
    position: relative;
    box-sizing: border-box;
}
.qyinfo_part>a>img{
    width: 100%;

}
.qyinfo_part>a>p{
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    background: rgba(0,0,0,0.6);
    color: #ffffff;
    padding: 5px 0;
    font-size: 12px;
    text-align: center;
}
.news{
    background: url("../img/news_bg.jpg") no-repeat center/100% 100%;
    padding: 50px 0;
    box-sizing: border-box;
    width: 100vw;
}
.news_title{
    display: block;
    width:10%;
    margin: 0 auto;
    margin-bottom: 50px;
}
.news_title2{
    display: block;
    width:15%;
    margin: 0 auto;
    margin-bottom: 50px;
}
.news_part{
    width: 75%;
    margin: 0 auto;
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
}
.news_item{
    width: 22%;
    cursor: pointer;
}
.news_item.on{
    width: 25%;
}
.news_item_img{
    width: 100%;
    display: block;
}
.news_item_info{
    background: #1555FF;
    box-sizing: border-box;
    padding:5px 10px;
    color: #ffffff;
    width: 100%;
    display: flex;
    display: -webkit-flex;
    align-items: center;
    height: 100px;
}
.news_item_info>p:first-child{
    font-size: 17px;
    font-weight: bolder;
    margin-bottom: 10px;
}
.news_item_info>p:last-child{
    font-size: 12px;
    text-indent: 2em;
    line-height: 20px;
}
.news_item_more{
    display: flex;
    display: -webkit-flex;
    justify-content:space-between;
    align-items: center;
    background: #1144CC;
    width: 100%;
    color: #ffffff;
    box-sizing: border-box;
    padding: 2px 5px;
    font-size: 15px;
}
.news_item_more>img{
    width: 10px;
}
.news_item_info2{
    background: #51A0FD;
    box-sizing: border-box;
    padding:5px 10px;
    color: #ffffff;
    width: 100%;
    display: flex;
    display: -webkit-flex;
    align-items: center;
    height: 100px;
}
.news_item_info2>p:first-child{
    font-size: 17px;
    font-weight: bolder;
    margin-bottom: 10px;
}
.news_item_info2>p:last-child{
    font-size: 12px;
    text-indent: 2em;
    line-height: 20px;
}
.news_item_more2{
    display: flex;
    display: -webkit-flex;
    justify-content:space-between;
    align-items: center;
    background:#4180CA;
    width: 100%;
    color: #ffffff;
    box-sizing: border-box;
    padding: 2px 5px;
    font-size: 15px;
}
.news_item_more2>img{
    width: 10px;
}
.partner{
    background: url("../img/partner_bg.jpg") no-repeat center/100% 100%;
    padding: 60px 0 100px 0;
    box-sizing: border-box;
    width: 100vw;
}
.partner_part{
    width: 75%;
    margin: 0 auto;
}
.partner_part_title{
    text-align: center;
    color: #ffffff;
    font-size: 30px;
    font-weight: bolder;
    margin-bottom: 20px;
}
.partner_part_des{
    color: #ffffff;
    font-size: 15px;
    text-indent: 2em;
    line-height: 30px;
}
.partner_logo{
    height: 103px !important;
    box-sizing: border-box;
    width: 100%;
    margin-top: 40px;
}
.partner_logo_item{
    margin-left: 5px;
}
.partner_logo_item img{
    width: 180px;
    height: 103px;
}
.linkus{
    padding: 40px 0 60px 0;
    box-sizing: border-box;
    width: 100vw;
}
.linkus_top{
    position: relative;
    width: 100%;
}
.linkus_top>img{
    display: block;
    margin-left: 12.5%;
    width: 150px;
}
.linkus_top_img{
    width: 250px !important;
}
.linkus_top>div{
    width: 100%;
    height: 1px;
    background: #D4D1D1;
    left: 0;
    bottom: 2px;
    position: absolute;
}
.linkus_part{
    width: 75%;
    margin: 0 auto;
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-top: 20px;
}
.linkus_part_left{
    width: 50%;
}
.linkus_part_right{
    width: 50%;
}
.linkus_part_left>p:first-child{
    color: #999999;
    font-size: 18px;
    line-height: 40px;
}
.linkus_part_left>p:not(:first-child){
    color: #666666;
    font-size: 14px;
    line-height: 28px;
    font-weight: bolder;
}
.linkus_part_left>a{
    margin-top: 30px;
    display: block;
    color: #999999;
    font-size: 16px;
    letter-spacing: 2px;
    padding: 5px 0;
    border: 2px solid #999999;
    border-radius: 20px;
    width: 120px;
    text-align: center;
}