.section-1,.section-2,.section-3{background-size:cover;background-position:center}
.box-con,.content-custom .cooperate .cool-list,.list{display:flex}
.section-1{background-image:url(../images/about/bg1.jpg)}
.section-2{background-image:url(../images/about/bg2.jpg)}
.section-3{background-image:url(../images/about/bg3.jpg)}
.section .content{padding:.5rem 0}
.section-1 p{color:#75787A;font-size:.28rem;width:40%;text-align:justify;line-height:.4rem}
.list{flex-wrap:wrap}
.box-con .box,.content-custom .cooperate .cool-list li{flex:1}
.list li{margin-bottom:.5rem}
.list li:nth-child(1),.list li:nth-child(2),.list li:nth-child(3){width:33.333%}
.list li:nth-child(4){width:50%;padding-left:2rem;box-sizing:border-box}
.list li:nth-child(5){width:50%;padding-right:2rem;box-sizing:border-box}
.list li h3{font-family:manrope2;font-size:.88rem}
.list li p{font-size:.28rem;color:#fafafa;line-height:1.4}
.list:nth-child(2){width:70%;margin:.4rem auto 0}
.box-con .box:first-child{border-right:solid 1px #fafafa}
.box-con .box p{line-height:1.2}
.box-con .box .box-desc{margin-top:.5rem}
.box-con .box .box-desc p{font-size:.38rem;color:#2E2E2E;line-height:1.5}
.content-custom{position:relative;width:100%;height:100vh;background-color:#F4F3F3}
.content-custom .big-tag{width:5rem;position:absolute;left:.95rem;top:0;z-index:10}
.content-custom .tit{position:relative;font-size:.62rem;color:#2E2E2E;font-weight:800;top:30%}
.content-custom .cooperate{position:relative;top:40%;background-color:#fff}
.content-custom .cooperate .content{width:9.2rem}
.content-custom .cooperate .cool-list li img{width:1.3rem}
.title-yj{width:4.8rem}
.title-sm{width:5.6rem}
@media screen and (max-width:1400px){.content.wid{padding-left:2rem}
}
@media screen and (max-width:768px){.content.wid{padding-left:0}
.title-yj{width:8rem}
.title-sm{width:9rem}
.section-1{background-image:url(../images/about/bg_m_1.jpg)}
.section-1 p{width:80%;text-align:justify;margin:0 auto;color:#2E2E2E;font-size:.7rem;line-height:1.8}
.section-2{background-image:url(../images/about/bg_m_2.jpg)}
.section-3{background-image:url(../images/about/bg_m_3.jpg)}
.section-3 .content{padding:0 2.5rem}
.list li{margin-bottom:2rem}
.list li h3{font-size:2rem}
.list li p{font-size:.68rem}
.list li:nth-child(1),.list li:nth-child(2),.list li:nth-child(3){width:50%}
.list li:nth-child(4){width:50%;padding-left:0}
.list li:nth-child(5){width:100%;padding-right:0}
.box-con{flex-direction:column}
.box-con .box:first-child{border-bottom:solid 1px #fff;padding-bottom:2.5rem;border-right:0}
.box-con .box:last-child{padding-top:2.5rem}
.box-con .box .box-desc{margin-top:20px}
.box-con .box .box-desc p{line-height:1.8;font-size:.8rem}
.content-custom .tit{font-weight:400;font-size:1.4rem}
.content-custom .big-tag{width:6rem;left:auto;right:2.8rem}
.content-custom .cooperate .content{padding:2rem 1rem;width:auto}
.content-custom .cooperate .cool-list li img{width:2.4rem}
}