.section2,.section4{background:#F7F7F7}.page-scheme-box .scheme-func-box{margin-top:40px;border:1px solid #c3e3df}.page-scheme-box .scheme-func-box .func-tabs{display:flex;align-items:center;height:56px}.page-scheme-box .scheme-func-box .func-tabs_item{cursor:pointer;flex:1;line-height:56px;height:100%;font-size:20px;font-weight:700;text-align:center;color:#FFFFFF;background:#5ea290}.page-scheme-box .scheme-func-box .func-tabs_item.active{background:#0a8276}.page-scheme-box .scheme-func-box .func-list{padding:40px 30px 30px;background:#ffffff}.page-scheme-box .scheme-func-box .func-list_item{display:none}.page-scheme-box .scheme-func-box .func-list_item .nav-list{display:flex;align-items:center;gap:0 12px}.page-scheme-box .scheme-func-box .func-list_item .nav-list_item{cursor:pointer;flex:1;display:flex;text-align:center;align-items:center;justify-content:center;padding:12px 0;font-size:18px;color:#666666;font-weight:500;background:#F2F2F2;border-radius:4px}.page-scheme-box .scheme-func-box .func-list_item .nav-list_item span{display:block}.page-scheme-box .scheme-func-box .func-list_item .nav-list_item:hover,.page-scheme-box .scheme-func-box .func-list_item .nav-list_item.active{color:#0A8276;background:#ebf5f4}.page-scheme-box .scheme-func-box .func-list_item .nav-main{position:relative;margin-top:20px}.page-scheme-box .scheme-func-box .func-list_item .nav-main_box{width:1140px;overflow:hidden;max-height:680px}.page-scheme-box .scheme-func-box .func-list_item .nav-main_content img{display:block;width:100%}.page-scheme-box .scheme-func-box .func-list_item .nav-main_down{position:relative;margin:20px auto;display:flex;align-items:center;width:560px;height:56px;background:#f6f6f6;border-radius:4px;padding:0 15px}.page-scheme-box .scheme-func-box .func-list_item .nav-main_down .icon-pdf{margin-right:5px;display:inline-block;width:32px;height:32px;background-size:100% 100%;background-repeat:no-repeat;background-image:url(../images/introduce/icon_pdf.svg)}.page-scheme-box .scheme-func-box .func-list_item .nav-main_down .icon-down{position:absolute;right:15px;display:inline-block;width:24px;height:24px;background-size:100% 100%;background-repeat:no-repeat;background-image:url(../images/introduce/icon_down_df.svg)}.page-scheme-box .scheme-func-box .func-list_item .nav-main_down:hover{background:#e4f2ee}.page-scheme-box .scheme-func-box .func-list_item .nav-main_down:hover .icon-down{background-image:url(../images/introduce/icon_down_at.svg)}.page-scheme-box .scheme-func-box .func-list_item .nav-main .nav-button-prev,.page-scheme-box .scheme-func-box .func-list_item .nav-main .nav-button-next{width:24px;height:48px}.page-scheme-box .scheme-func-box .func-list_item .nav-main .nav-button-prev{left:-30px;background-image:url(../images/icon/icon_prev.png)}.page-scheme-box .scheme-func-box .func-list_item .nav-main .nav-button-prev:hover{background-image:url(../images/icon/icon_prev_hv.png)}.page-scheme-box .scheme-func-box .func-list_item .nav-main .nav-button-next{right:-30px;background-image:url(../images/icon/icon_next.png)}.page-scheme-box .scheme-func-box .func-list_item .nav-main .nav-button-next:hover{background-image:url(../images/icon/icon_next_hv.png)}.page-scheme-box .scheme-func-box .func-list_item.active{display:block}@media screen and (max-width:750px){.page-scheme-box .scheme-func-box{margin-top:.52rem;width:6.86rem;border:.02rem solid #c3e3df}.page-scheme-box .scheme-func-box .func-tabs{display:flex;align-items:center;height:1.1rem}.page-scheme-box .scheme-func-box .func-tabs_item{cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0 .2rem;width:2.28rem;line-height:.36rem;font-size:.28rem}.page-scheme-box .scheme-func-box .func-tabs_item.active{background:#0a8276}.page-scheme-box .scheme-func-box .func-list{padding:.26rem .32rem}.page-scheme-box .scheme-func-box .func-list_item{display:none}.page-scheme-box .scheme-func-box .func-list_item .nav-list{display:block}.page-scheme-box .scheme-func-box .func-list_item .nav-list_item{margin-bottom:.16rem;width:100%;padding:.2rem .3rem;font-size:.28rem;border-radius:.08rem}.page-scheme-box .scheme-func-box .func-list_item .nav-list_item span{display:inline-block}.page-scheme-box .scheme-func-box .func-list_item .nav-list_item:hover,.page-scheme-box .scheme-func-box .func-list_item .nav-list_item.active{color:#0A8276;background:#ebf5f4}.page-scheme-box .scheme-func-box .func-list_item .nav-main{position:relative;margin-top:.16rem}.page-scheme-box .scheme-func-box .func-list_item .nav-main_box{width:100%;overflow:hidden;min-height:2.84rem}.page-scheme-box .scheme-func-box .func-list_item .nav-main_content{width:100%}.page-scheme-box .scheme-func-box .func-list_item .nav-main_content img{display:block;width:100%;height:2.8rem}.page-scheme-box .scheme-func-box .func-list_item .nav-main_down{width:5.6rem;height:1rem;border-radius:.08rem;padding:0 .3rem;margin-bottom:.5rem}.page-scheme-box .scheme-func-box .func-list_item .nav-main_down span{display:inline-block;width:3.8rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;word-break:break-all}.page-scheme-box .scheme-func-box .func-list_item .nav-main_down .icon-pdf{margin-right:.12rem;width:.64rem;height:.64rem}.page-scheme-box .scheme-func-box .func-list_item .nav-main_down .icon-down{right:.32rem;width:.48rem;height:.48rem}.page-scheme-box .scheme-func-box .func-list_item .nav-main_down:hover{background:#e4f2ee}.page-scheme-box .scheme-func-box .func-list_item .nav-main_down:hover .icon-down{background-image:url(../images/introduce/icon_down_at.svg)}.page-scheme-box .scheme-func-box .func-list_item .nav-main .nav-button-prev,.page-scheme-box .scheme-func-box .func-list_item .nav-main .nav-button-next{width:24px;height:48px}.page-scheme-box .scheme-func-box .func-list_item .nav-main .nav-button-prev{left:-30px;background-image:url(../images/icon/icon_prev.png)}.page-scheme-box .scheme-func-box .func-list_item .nav-main .nav-button-next{right:-30px;background-image:url(../images/icon/icon_next.png)}.page-scheme-box .scheme-func-box .func-list_item.active{display:block}}