.news,
.business,
.product_architecture,
.advantage,
.practice,
.instructions{
    max-width: 1200px;
    margin: 0 auto;
    /* padding: 8px 7px 0 18px; */
    position: relative;
}
.news {
    height: 563px;
    background-position: right;
    background-image: url('../images/coverage_26.png');
    background-size: contain;
    background-repeat: no-repeat;
}
.news .newstitle{
    width: 450px;
    margin-bottom: 23px;
    padding-top: 80px;
}
.news .newstitle>div{
    font-size: 50px;
    font-family: 'Source Han Sans CN';
    font-weight: bold;
    color: #2E2D3D;
    line-height: 76px;
}
.news>div:nth-of-type(2){
    width: 48px;
    height: 6px;
    background: #00CC70;
    border-radius: 3px;
    margin-bottom: 19px;
}
.news>div:nth-of-type(3){
    font-size: 16px;
    font-family: 'Source Han Sans CN';
    font-weight: 400;
    color: #2E2D3D;
    line-height: 28px;
    opacity: 0.8;
    width: 448px;
}
.business_1{
    display: flex;
    justify-content: space-between;
    margin-top: 60px;
    margin-bottom: 60px;
}
.business_item{
    width: 366px;
    /* height: 286px; */
    background: #FFFFFF;
    box-shadow: 0px 5px 10px 0px rgba(4, 39, 113, 0.3);
    border-radius: 8px;
    padding: 38px 35px 25px 47px;
    text-align: center;
}

.business_item{
    display: flex;
    align-items: center;
    flex-direction: column;
}
.business_item .pic{
    display: flex;
    justify-content: center;
    margin-bottom: 41px;
    width: 66px;
}
.business_item .pic div{
    padding:100% 0 0;
    position:relative;
    width:100%;
}
.business_item .pic div img{
    position:absolute;
    left:0;
    top:0;
    width:100%;
    height:100%;
}
.business_item>div:nth-of-type(2){
    font-size: 24px;
    font-family: 'Source Han Sans CN';
    font-weight: bold;
    color: #2B2B2B;
    margin-bottom: 27px;
}
.business_item div:nth-of-type(3){
    font-size: 16px;
    font-family: 'Source Han Sans CN';
    font-weight: 400;
    color: #2B2B2B;
    line-height: 28px;
}
.product_architecture{
    margin: 57px auto 32px;
}
.product_items{
    display: flex;
    margin-bottom: 32px;
}
.product_items .product_name{
    width: 120px;
    background: #1677FF;
    border-radius: 8px;
    font-size: 24px;
    font-family: 'Source Han Sans CN';
    font-weight: bold;
    color: #FFFFFF;
    margin-right: 21px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.product_items .product_type{
    background: rgba(22, 119, 255, 0.08);
    border-radius: 8px;
}
.product_type{
    flex: 1;
    padding: 18px 0px 0 19px;
}
.product_type div{
    float: left;
    font-size: 18px;
    font-family: 'Source Han Sans CN';
    font-weight: 400;
    color: rgba(43, 43, 43, 0.8);
    background: #FFFFFF;
    border-radius: 4px;
    width: 144px;
    padding: 22px 0;
    text-align: center;
    margin-right: 25px;
    margin-bottom: 18px;
}
.advantage{
    display: flex;
    justify-content: space-between;
}
.advantage .ad_img{
    width: 536px;
    padding: 0 33px 0 44px;
}
.advantage .ad_img img{
    width: 100%;
}
.ad_type{
    width: 584px;
    margin-bottom: 75px;
}
.ad_item{
    margin-bottom: 54px;
}
.ad_item .ad_title{
    display: flex;
    align-items: center;
}
.ad_item .ad_title .green{
    background: #00CC70;
}
.ad_item .ad_title .blue{
    background: #1677FF;
}
.ad_item .ad_title div:nth-of-type(1){
    width: 6px;
    height: 21px;
    border-radius: 3px;
    margin-right: 12px;
}
.ad_item .ad_title div:nth-of-type(2){
    color: #2B2B2B;
    font-size: 24px;
}
.ad_item div:nth-of-type(2){
    color: #8D909B;
    line-height: 36px;
    font-size: 16px;
}
.practice{
    width: 100%;
    margin-top: 83px;
    background: #1677FF;
    border-radius: 16px;
    /* padding: 57px 59px 0 55px; */
    display: flex;
    margin-bottom: 86px;
}
.practice img{
    width: 100%;
}
.practice .practice_item{
    flex: 1;
}
.practice .practice_img{
    width: 506px;
    height: 335px;
    border-radius: 16px;
    margin-left: 60px;
}
.practice .practice_img img{
    width: 100%;
    /* height: 100%; */
}
.practice_item .practice_title{
    color: #fff;
    font-weight: bold;
    font-size: 24px;
    font-family: 'SourceHanSansCN-Bold';
}
.practice_item .practice_content{
    color: #fff;
    font: 16px/48px 'MicrosoftYaHei';
}
.instructions{
    display: flex;
    margin-bottom: 70px;
}
.instructions .choose{
    margin-right: 38px;
}
.instructions .normal{
    font-size: 18px;
    font-family: 'Source Han Sans CN';
    font-weight: 400;
    color: #8D909B;
    width: 168px;
    height: 52px;
    text-align: center;
    line-height: 52px;
}
.instructions .active{
    font-size: 20px;
    font-weight: bold;
    color: #FFFFFF;
    background: #1677FF;
    border-radius: 2px;
}
.instructions .problem{
    flex: 1;
}
.problem_item{
    margin-bottom: 12px;
}
.instructions .problem .problem_title{
    height: 60px;
    line-height: 60px;
    font-size: 16px;
    font-family: 'Source Han Sans CN';
    font-weight: 400;
    color: #2B2B2B;
    background: rgba(22, 119, 255, 0.05);
    padding-left: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-right: 23px;
}

.instructions .problem .problem_title img{
    height: 9px;

}
.solvehide{
    display: none;
}
.instructions .problem .problem_content{
    font-size: 16px;
    font-family: 'Source Han Sans CN';
    font-weight: 400;
    color: #8D909B;
    line-height: 30px;
    padding: 22px 0 30px 23px;
}
@media all and (max-width: 1580px) {
    .product_type div{
        width: 30%;
    }
}

@media all and (max-width: 1024px) {
    .product_type div{
        width: 20.8%;
    }
}
@media all and (max-width: 769px){
    .practice{
        border-radius: 0;
    }
    .containers_1:nth-of-type(2){
        padding: 0;
    }
    .containers_1:nth-of-type(2) .earthwork_title{
        padding-left: 18px;
    }
    .news{
        padding: 0;
        background: none;
        height: 100%;
    }
    .news .newstitle{
        padding-top: 0;
        margin-bottom: 15px;
    }
    .news .newstitle>div{
        font-size: 21px;
        font-weight: bold;
        line-height: 38px;
        padding-top: 0;

    }
    .news>div:nth-of-type(2){
        width: 24px;
        height: 2px;
        border-radius: 1px;
        margin-bottom: 14px
    }
    .news>div:nth-of-type(3){
        font-size: 10px;
        font-weight: 400;
        line-height: 16px;
        opacity: 0.85;
        width: 100%;
    }
    .news div:nth-of-type(4) img{
        width: 100%;
        margin-bottom: 31px;
    }
    .business{
        margin: 0;
        overflow-x: scroll;
        padding: 0;
        padding: 5px;
        justify-content: flex-start;
    }
    .business::-webkit-scrollbar{
        width: 0;
         display:none;
     }
    .business_1{
        padding-left: 15px;
        margin: 0;
        width: 200%;
        display: flex;
    }
    .business_item{
        display: flex;
        flex-direction: column;
        align-items: center;
        /* width: 183px; */
        width: 30%;
        /* height: 153px; */
        padding: 19px 16px 21px 17px;
        margin-right: 14px;
        margin-bottom: 27px;

    }
    .business_item .pic{
        margin-bottom: 16px;
        width: 31px;
    }
    .business_item .pic div{
        padding:100% 0 0;
        position:relative;
        width:100%;
    }
    .business_item .pic img{
        position:absolute;
        left:0;
        top:0;
        width:100%;
        height:100%;
        /* width: 31px; */
        /* height: 31px; */
    }
    
    .business_item>div:nth-of-type(2){
        font-size: 13px;
        font-weight: bold;
        color: #2B2B2B;
        margin-bottom: 9px;
    }
    .small-font{    
        /* font-size:20px; 
        -webkit-transform-origin: center 0;
        -webkit-transform: scale(0.50); */
    }
    .business_item div:nth-of-type(3){
        font-size:12px;    
        transform: scale(0.83);
        font-weight: 400;
        color: #2B2B2B;
        line-height: 17px;
        transform-origin: center 0;   
    }
    .product_architecture{
        margin: 0;
        padding: 0;
        overflow: scroll;
    }
    .product_architecture::-webkit-scrollbar{
        width: 0;
        display:none;
     }
    .product_architecture1{
        width: 250%;
    }
    .product_items .product_name{
        width: 60px;
        padding: 19px 0;
        width: 60px;
        font-size: 12px;
        font-weight: bold;
        margin-right: 11px;
    }
    .product_type{
        padding-top: 9px;
        padding-left: 10px;
    }
    .product_type div{
        font-size: 10px;
        font-weight: 400;
        color: rgba(43, 43, 43, 0.8);
        padding: 11px 16px;
        margin-right:10px;
        margin-bottom: 9px;
        width: 15.8%;
    }
    .advantage{
        width: 100% !important;
        display: block;
        padding: 0 !important;
    }
    .ad_item{
        margin-bottom: 26px;
    }
    .ad_type{
        width: 100%;
        order: 1;
        margin-bottom: 0;
    }
    .ad_item .ad_title div:nth-of-type(2){
        font-size: 12px;
        line-height: 18px;
    }
    .ad_item>div:nth-of-type(2){
        font-size: 12px;
        transform-origin: left top;
        transform: scale(0.83);
        line-height: 22px;
        width: 120%;
        /* padding-right: 72px; */
    }
    .ad_item .ad_title div:nth-of-type(1){
        width: 3px;
        height: 11px;
        border-radius: 2px;
        margin-right: 6px;
    }
    .ad_img{
        width: 100% !important;
        order: 2;
        padding: 0 45px;
    }
    .ad_img img{
        width: 100%;
    }
    .practice{
        margin-top: 113px;
        position: relative;
        padding: 99px 18px 0px 16px;
        margin-bottom: 10px;
    }
    .practice .practice_img{
        position: absolute;
        top: -94px;
        left: 0px;
        right: 0;
        margin: auto;
        width: 253px;
        /* height: 185px; */
    }
    .practice .practice_img img{
        width: 100%;
        /* height: 175px; */
    }
    .practice_item .practice_title{
        font-size: 13px;
        /* width: 312px; */
        text-align: center;
    }
    .practice_item .practice_content{
        font-size: 12px;
        transform: scale(0.75);
        transform-origin: left top;
        line-height: 24px;
        /* width: 624px; */
        width: 134%;
        /* height: 120px; */
    }
    .instructions_1 .instructions_type div:nth-of-type(1){
        font-size: 15px;
        font-family: 'Source Han Sans CN';
        font-weight: 400;
        color: #1677FF;
        padding: 16px 0;
    }
    .instructions_1 .instructions_type .problem{
        margin-bottom: 12px;
    }
    .instructions_1 .instructions_type .problem .problem_title{
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 14px;
        font-family: 'Source Han Sans CN';
        font-weight: 400;
        color: #2B2B2B;
        background: #F7F9FD;
        padding: 13px 18px;
    }
    .instructions_1 .instructions_type .problem .problem_title .iconfont{
        margin-left: 16px;
        color: #8D909B;
    }
    .instructions_1 .instructions_type .problem .solve{
        font-size: 12px;
        font-family: 'Source Han Sans CN';
        font-weight: 400;
        color: #8D909B;
        line-height: 22px;
        padding: 0 18px 11px;
        margin-top: 19px;
    }
    .contain{
        padding: 0 !important;
    }
    .instructions_type{
        padding: 0 16px 0 18px;
    }
    .instructions_type .i_type{
        display: flex;
        justify-content: space-between;
    }
    .instructions_type .i_type .iconfont{
        color: #8D909B;
    }
    .instructions_type:nth-of-type(1){
        border-bottom: 1px solid #F6F6F6;
    }
    .problem_title .icon-xiangyoujiantou{
        font-size: 15px;
    }
    .instructions_type .i_type .i_typehidde{
        display: none;
    }
    .i_content{
        display: none;
    }
}
@media all and (max-width: 528px) {
    
    .product_type div{
        width: 24%;
    }
}
@media all and (max-width: 468px) {
    .product_type div{
        width: 23%;
    }
}