.header_back_white{border-bottom:0!important}.banner_pc{margin-top:86px}@media only screen and (max-width:1360px){.banner_pc{margin-top:70px}}@media only screen and (max-width:1024px){.banner{margin-top:65px}.banner img{left:-100%}}@media only screen and (max-width:560px){.banner img{left:-192%}}.yigongyi{background:#eaeaea}.content{width:67%;max-width:1320px;margin:0 auto;background:#fff;padding:50px 80px 120px 60px;box-sizing:border-box}.content_intro{font-size:16px;color:#231815;line-height:2.5em}.content_item{padding:0 15px;margin-top:80px}.content_item::after{content:'';display:block;clear:both}.content_item_pic{width:45%;margin-right:4.5%;float:left;border-radius:20px}.content_item:nth-child(odd) .content_item_pic{margin-right:initial;margin-left:4.5%;float:right;border-radius:20px}.content_item_tit{font-size:24px;color:#040000;font-weight:700;display:flex;flex-wrap:nowrap;align-items:center;justify-content:flex-start;padding-bottom:.23em;border-bottom:2px solid #c1beb9}#scroll-to-1 .content_item_tit>img{width:1.73em}#scroll-to-2 .content_item_tit>img{width:1.85em}#scroll-to-3 .content_item_tit>img{width:2.46em}#scroll-to-4 .content_item_tit>img{width:1.77em}.content_item_tit>span{margin-left:.4em}.content_item_txt{font-size:16px;color:#231815;line-height:2.2;padding-top:.8em}@media only screen and (max-width:1360px){.content_item{margin-top:50px}.content_item_tit{font-size:22px}}@media only screen and (max-width:1024px){.content{width:100%}}@media only screen and (max-width:768px){.content{padding:15px}.content_intro{line-height:2em}.content_item{margin-top:50px}.content_item_tit{font-size:20px}.content_item_txt{line-height:1.8em}.content_item_pic{float:initial!important;width:100%;display:block;margin:0 auto}.content_item_con{margin-top:20px}}