.banner{background:url("../images/banner_about.jpg") bottom no-repeat;background-size:cover}
.banner .w1400{height:480px;margin:0 auto;display:flex;flex-direction:column;justify-content:center}
.banner .professional-img{width:547px;font-size:0}
@media(max-width:1200px){
	.banner{background-position:bottom center}
	.banner .w1400{height:30vw;min-height:166px}
	.banner .professional-img{width:80%;margin-left:5%}
	.banner .professional-img img{width:100%;max-width:547px}
}

.part-one{padding-top:60px}
.part-one .w1400{margin:0 auto}
.part-one .turn-list{margin-top:50px;background:#fff;padding:2px;box-shadow:0 4px 20px 1px rgba(0,0,0,.04)}
.part-one .turn-list ul{display:flex;justify-content:space-between;align-items:center;padding:20px 50px;background:linear-gradient(180deg,#E4F1FD,#FFFFFF);border-radius:10px}
.part-one .turn-list li{position:relative}
.part-one .turn-list li .circle{text-align:center}
.part-one .turn-list li .circle img{width:80%}
.part-one .turn-list li span{display:block;color:#0181FB;font-weight:500;line-height:3}
.part-one .turn-list li:after{position:absolute;left:102px;right:-4%;top:36%;content:"";display:block;height:1px;border-top:1px dashed #0181FB;}
.part-one .turn-list li .circle:after{position:absolute;left:64%;top:25%;z-index:1;content:"";display:block;width:30px;height:30px;background:url("../images/turn_play.png") 100%/100% no-repeat;}
@media(min-width:1201px){
	.part-one .turn-list li{width:30%}
	.part-one .turn-list li .circle{width:112px}
	.part-one .turn-list li:nth-last-child(1){width:10%}
	.part-one .turn-list li:nth-last-child(1):after,.part-one .turn-list li:nth-last-child(1) .circle:after{content:initial}
}
@media(max-width:1200px){
	.part-one{padding-top:20px}
	.part-one .turn-list{margin:15px auto 0 auto;width:92%}
	.part-one .turn-list ul{padding:20px;flex-wrap:wrap;justify-content:space-around}
	.part-one .turn-list li{width:calc(100% - 112px)}
	.part-one .turn-list li .circle{width:112px}
	.part-one .turn-list li .circle:after{left:calc(49% + 50px)}
	.part-one .turn-list li:nth-child(2),.part-one .turn-list li:nth-child(4){width:112px}
	.part-one .turn-list li:nth-child(2):after,.part-one .turn-list li:nth-child(2) .circle:after,.part-one .turn-list li:nth-child(4):after,.part-one .turn-list li:nth-child(4) .circle:after{content:initial}
}

.part-two{padding:60px 0}
.part-two .w1400{margin:0 auto}
.part-two .zwbg{height:478px;margin-top:50px;display:flex;flex-direction:column;justify-content:center;align-items:flex-end;background:url("../images/intro_bg.jpg") center no-repeat;}
.part-two .txt{width:615px;height:285px;padding:50px 25px;box-sizing:border-box;margin-right:120px;opacity:.9;background:linear-gradient(180deg, #E6F2FE, #FFFFFF);border-radius:20px;border:1px solid #fff;color:#333}
.part-two .txt p:nth-child(2):after{content:"";display:block;width:100%;height:1px;background:#dadada;margin-top:20px}
@media(max-width:1200px){
	.part-two{padding:30px 0}
	.part-two .zwbg{height:auto;margin-top:15px;background:none}
	.part-two .txt{width:92%;height:auto;margin:0 auto}
}

.part-three{padding:60px 0;background:linear-gradient(135deg,#F0F8FD,#F6F8FD,#F0F8FD)}
.part-three .w1400{margin:0 auto}
.part-three ul{display:flex;flex-wrap:wrap;justify-content:space-between}
.part-three li{width:435px;margin-top:35px;padding:30px;box-sizing:border-box;background:#fff url("../images/js3.png") right top no-repeat;background-size:16%;border-radius:16px;box-shadow:0px 4px 9px 1px rgba(0,0,0,0.08)}
.part-three li:before{display:block;content:"";position:absolute;width:84px;height:84px;margin:5px 0 0 5px}
.part-three li.part1:before{background:url("../images/ys1.png") center 100%/100% no-repeat}
.part-three li.part2:before{background:url("../images/ys2.png") center 100%/100% no-repeat}
.part-three li.part3:before{background:url("../images/ys3.png") center 100%/100% no-repeat}
.part-three li.part4:before{background:url("../images/ys4.png") center 100%/100% no-repeat}
.part-three li.part5:before{background:url("../images/ys5.png") center 100%/100% no-repeat}
.part-three li.part6:before{background:url("../images/ys6.png") center 100%/100% no-repeat}
.part-three li h5,.part-three li p{padding-left:120px}
.part-three li h5{font-size:18px;color:#333}
.part-three li p{color:#666}
@media(max-width:1200px){
	.part-three{padding:30px 0}
	.part-three .clear{margin-top:15px}
	.part-three ul{justify-content:flex-start}
	.part-three li{width:45.5%;min-height:100px;margin:3% 0 0 3%;padding:15px}
	.part-three li:before{width:72px;height:72px}
	.part-three li h5,.part-three li p{padding-left:96px}
	.part-three li h5{font-size:16px}
	.part-three li p{font-size:12px}
}
@media(max-width:920px){
	.part-three li{padding:8px}
	.part-three li:before{width:42px;height:42px}
	.part-three li h5,.part-three li p{padding-left:56px}
	.part-three li h5{font-size:14px}
	.part-three li p{font-size:12px}
}