.section{
    overflow: hidden;
}
.section .wrap{
    width: 1420px;
    margin: 81px auto 62px;
}
.section .wrap .title span{
    font-size: 40px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #333333;
    display: block;
    margin: 0 0 29px 0;
}
.section .wrap .title p{
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
    line-height: 32px;
}
.section .wrap .images{
    width: 100%;
    height: 690px;
    margin: 66px 0 78px 0;
    position: relative;
}
.section .wrap .images img{
    width: 100%;
    height: 100%;
}

.section .wrap .images .position{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}
.section .wrap .images .position .item{
    position: absolute;
}
.section .wrap .images .position .item:nth-child(2n){
    text-align: right;
}
.section .wrap .images .position .item span{
    font-size: 22px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #333333;
    display: block;
    margin: 0 0 24px 0;
}
.section .wrap .images .position .item p{
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
}
.section .wrap .images .position .item_1{
    top: 5px;
    left: 391px;
}
.section .wrap .images .position .item_2{
    top: 5px;
    right: 391px;
}
.section .wrap .images .position .item_3{
    top: 154px;
    left: 0;
}
.section .wrap .images .position .item_4{
    top: 154px;
    right: 0;
}
.section .wrap .images .position .item_5{
    bottom: 163px;
    left: 0;
}
.section .wrap .images .position .item_6{
    bottom: 163px;
    right: 0;
}
.section .wrap .images .position .item_7{
    left: 391px;
    bottom: 18px;
}
.section .wrap .images .position .item_8{
    right: 391px;
    bottom: 18px;
}

.section2{
    overflow: hidden;
}
.section2 .wrap{
    width: 1420px;
    margin: auto;
}
.section2 .color_lump{
    height: 300px;
    background: #009EEE;
    display: flex;
    justify-content: center;
}

.section2 .color_lump .wrap{
    display: flex;
    align-items: center;
}
.section2 .color_lump .wrap .circle{
    width: 163px;
    height: 163px;
    margin: 0 45px 0 0;
}
.section2 .color_lump .wrap .text h2{
    font-size: 40px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #FFFFFF;
    display: block;
    margin: 0 0 15px 0;
}
.section2 .color_lump .wrap .text p{
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #FFFFFF;
}
.section2 .content .wrap{
    padding: 75px 0 92px 0;
}
.section2 .content .wrap .headline{
    font-size: 40px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #333333;
    display: block;
    margin: 0 0 29px 0;
}
.section2 .content .wrap .flex{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}
.section2 .content .wrap .flex .list{
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
    line-height: 32px;
    padding: 0 0 0 18px;
    position: relative;
}
.section2 .content .wrap .flex .list:after{
    content: '';
    position: absolute;
    top: 13px;
    left: 0;
    width: 6px;
    height: 6px;
    background: #666666;
    border-radius: 50%;
}

.section3{
    overflow: hidden;
}
.section3 .wrap{
    width: 1420px;
    margin: 47px auto 79px;
}
.section3 .wrap .text{
    margin: 0 0 30px 0;
}

.section3 .wrap .text span{
    font-size: 40px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #333333;
    display: block;
    margin: 0 0 41px 0;
}
.section3 .wrap .text p{
    font-size: 22px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
}
.section3 .wrap .item{
    margin: 0 0 7px 0;
}
.section3 .wrap .item .headline{
    height: 60px;
    background: #F5F5F5;
    padding: 0 29px 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}
.section3 .wrap .item .headline p{
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #009EEE;
}
.section3 .wrap .item .headline .click{
    position: relative;
    width: 14px;
    height: 14px;
    transition: 0.6s;
}
.section3 .wrap .item .headline .click:after{
    content: '';
    width: 100%;
    height: 2px;
    background: rgba(0, 158, 238, 1);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.section3 .wrap .item .headline .click:before{
    content: '';
    width: 2px;
    height: 100%;
    background: rgba(0, 158, 238, 1);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.section3 .wrap .item .hide{
    overflow: hidden;
    display: none;
}
.section3 .wrap .item .hide .joke{
    margin: 16px 0 40px 0;
}
.section3 .wrap .item .hide table{
    width: 100%;
}
.section3 .wrap .item .hide table tr td{
    border-top: 1px solid #E6E6E6;
    height: 54px;
    font-size: 22px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #656565;
}

.section3 .wrap .item .hide table tr td:not(:first-child) {
    text-align: center;
}
.section3 .wrap .item.on .headline .click{
    transform: rotate(-45deg);
}
.section4{
    overflow: hidden;
}
.section4 .wrap{
    width: 1420px;
    margin: 0 auto 29px;
}
.section4 .wrap .title{
    font-size: 40px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #333333;
    display: block;
    margin: 0 0 35px 0;
}
.section4 .wrap .content{
    display: flex;
    flex-wrap: wrap;
}
.section4 .wrap .content .item{
    width: 440px;
    margin: 0 50px 50px 0;
}
.section4 .wrap .content .item:nth-child(3n){
    margin: 0 0 50px 0;
}
.section4 .wrap .content .item .images{
    width: 100%;
    height: 270px;
    overflow: hidden;
}
.section4 .wrap .content .item .images img{
    width: 100%;
    height: 100%;
    transition: 1.5s;
}
.section4 .wrap .content .item .text{
    margin: 27px 0 0 0;
}
.section4 .wrap .content .item .text span{
    font-size: 22px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #333333;
    display: block;
    margin: 0 0 26px 0;
}
.section4 .wrap .content .item .text p{
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
    line-height: 32px;
}
.ph {
    display: none !important;
}
.ph img {
    width: 100%;
    display: block;
}
@media screen and (max-width: 1600px) {
    .section .wrap,.section2 .wrap,.section2 .wrap,.section3 .wrap,.section4 .wrap,.section4 .wrap {
        width: 90%;
    }
    .section .wrap .title span,.section .wrap .title span,.section2 .color_lump .wrap .text h2,.section2 .content .wrap .headline,.section2 .color_lump .wrap .text h2,.section3 .wrap .text span,.section4 .wrap .title,.section4 .wrap .title，.common_service .wrap .title {
        font-size: 32px;
    }
    .section4 .wrap .content .item{
        width: 32%;
        margin: 0 1.333% 50px 0;
    }

}
@media screen and (max-width: 1400px) {
    .section .wrap .images .position .item_2 {
        right: 311px;
    }
    .section .wrap .images .position .item_8{
        right: 308px;
    }
    .section .wrap .images .position .item_7{
        left: 307px;
    }
    .section .wrap .images .position .item_1 {
        left: 300px;
    }
}
@media screen and (max-width: 1300px) {
    .section .wrap .title span,.section .wrap .title span,.section2 .color_lump .wrap .text h2,.section2 .content .wrap .headline,.section2 .color_lump .wrap .text h2,.section3 .wrap .text span,.section4 .wrap .title,.section4 .wrap .title，.common_service .wrap .title {
        font-size: 24px;
    }
    .ph {
        display: block !important;
        margin: 20px auto;
    }
    .pc {
        display: none !important;
    }

}
@media screen and (max-width: 800px) {
    .section .wrap {
        margin: 41px auto 62px;
    }
    .section2 .color_lump .wrap .circle {
        width: 100%;
    }
    .section2 .color_lump .wrap .text h2 {
        font-size: 18px;
    }
    .section2 .color_lump .wrap .text p {
        font-size: 14px ;
    }
    .section2 .color_lump .wrap .circle {
        width: 100px;
        height: auto;
        margin: 0 15px 0 0;
    }
    .section2 .content .wrap {
        padding: 35px 0 42px 0;
    }
    .section2 .content .wrap .flex {
        grid-template-columns: repeat(1, 1fr);
    }
    .section3 .wrap .text p {
        font-size: 18px;
    }
    .section3 .wrap .text span {
        margin: 0 0 21px 0;
    }
    .section3 .wrap {
        margin: 30px auto 30px;
    }
    .section4 .wrap .content .item {
        width: 100%;
        margin: 0 0% 30px 0;
    }
    .section4 .wrap .content .item:nth-child(3n) {
        margin: 0 0% 30px 0;
    }
    .section4 .wrap .content .item .text {
        margin: 15px 0 0 0;
    }
}
