h3.river{font-size:32px;font-weight:bold;color:#378dd5;padding-bottom:50px;background:url(../images/brand2021/h3_river.png) no-repeat left bottom;}


.zzBody{padding-top:90px;}
.zz_bg{background:url(../images/brand2023/zhengzhou_bg.jpg) no-repeat center bottom;background-size:100% auto;}
.zz_1{text-align:center;}
.zz_1 p{font-size:18px;line-height:32px;color:#3e3e3f;}
.zz_1 .river{height:20px;background:url(../images/brand2022/cd_1_river.jpg) no-repeat center;margin:30px 0;}
.zz_2{text-align:center;margin-top:30px;margin-bottom:40px;}
.zz_2 .video_box{width:870px;margin:0 auto;}
.zz_2 .video_box video{width:100%;display:block;}
.zz_2 .line{display:inline-block;width:1px;height:60px;background-color:#9e9ddb;margin:20px auto 30px;}
.zz_2 p{font-size:20px;line-height:38px;color:#343947;font-weight:500;}
.zz_2 p span{color:#1f83d9;font-weight:bold;}
.zz_3{text-align:center;padding-bottom:50px;}
.zz_3 img{max-width:1600px;margin:0 auto;width:100%;}
.zz_3 .mb{display:none;}
.zz_4{width:1120px;margin:0 auto;}
.zz_4 .item-1{padding:60px 0;}
.zz_4 .item-1 .tip{height:55px;background:url(../images/brand2023/zz_2.png) no-repeat center;margin-bottom:35px;}
.zz_4 .item-1 .list{display:flex;justify-content:space-between;}
.zz_4 .item-2 .tip{font-size:18px;line-height:34px;color:#343947;text-align:center;padding-top:130px;background:url(../images/brand2023/zz_tip.jpg) no-repeat center top;padding-bottom:35px;position: relative;margin-bottom:45px;}
.zz_4 .item-2 .tip span{color:#2a81cc;font-weight:bold;}
.zz_4 .item-2 .tip::after{content:"";width:150px;height:1px;background:#cac8c8;display:inline-block;position: absolute;bottom:0;left:50%;transform:translateX(-50%);}
.zz_4 .item-2 .list{display:flex;align-items:center;justify-content: space-between;}
.zz_4 .item-2 .list .imgbox .mb{display:none;}
.zz_4 .item-2 .list .txtbox{width:560px;font-size:18px;line-height:35px;color:#343947;padding-top:30px;position:relative;}
.zz_4 .item-2 .list .txtbox::before{content:"";display:inline-block;width:94px;height:5px;background:#85cff1;position: absolute;left:0;top:0;}
.zz_4 .item-2 .list:nth-child(even) .imgbox{order:1;}
.zz_4 .item-2 .list.list-1{position: relative;}
.zz_4 .item-2 .list.list-1 .mask{position: absolute;top:0;right:440px;}
.zz_4 .item-2 .list.list-2{margin-top:-25px;}
.zz_4 .item-2 .list.list-3 .txtbox{width:440px;}

.zz_5{width:1120px;height:223px;box-sizing: border-box;;background:url(../images/brand2023/zz_5_bg.jpg) no-repeat center;margin:55px auto;text-align:center;}
.zz_5 p{font-size:20px;line-height:38px;color:#0982ba;font-weight:bold;padding-top:70px;}

em.mb{display:none;}


@media only screen and (max-width : 600px) {
	.pageBanner .txt{bottom:40%!important;}
	
	em.mb{display:inline-block;}

	h3.river{font-size:16px;line-height:26px;background:url(../images/brand2021/h3_river.png) no-repeat center bottom;background-size:60px auto;padding-bottom:30px;}
	
	.cjBody{padding-top:30px;}
	.zzBody{padding-top:40px;}
	.zz_bg{background:url(../images/brand2023/zhengzhou_bg_m.jpg) no-repeat center bottom;background-size:100% auto;}
	.zz_1 .river{height:16px;background-size:auto 16px;margin:15px 0;}
	.zz_1 p{font-size:14px;line-height:24px;}
	.zz_2 .video_box{width:100%;}
	.zz_2 .line{height:30px;}
	.zz_2 p{font-size:14px;line-height:24px;}
	.zz_3{padding-bottom:25px;}
	.zz_3 .pc{display:none;}
	.zz_3 .mb{display:block;width:100%;}
	.zz_4{width:100%;}
	.zz_4 .item-1{background:#85cff1;padding:30px 15px;}
	.zz_4 .item-1 .list{display:block;}
	.zz_4 .item-1 .list .box{margin-bottom:20px;padding:0 15px;}
	.zz_4 .item-1 .list .box img{display:block;width:100%;}
	.zz_4 .item-1 .list .box:last-child{margin-bottom:0;}
	.zz_4 .item-2{padding:30px 15px 0;}
	.zz_4 .item-2 .tip{font-size:14px;line-height:24px;padding-top:70px;background-size:auto 50px;margin-bottom:30px;padding-bottom:20px;}
	.zz_4 .item-2 .tip::after{width:80px;}
	.zz_4 .item-2 .list .imgbox .pc{display:none;}
	.zz_4 .item-2 .list .imgbox .mb{display:block;width:100%;}
	.zz_4 .item-2 .list .txtbox{width:100%!important;font-size:14px;line-height:24px;padding:25px 0;}
	
	.zz_4 .item-2 .list .txtbox::before{display:none;}
	.zz_4 .item-2 .list{display:block;}
	.zz_4 .item-2 .list.list-2{margin-top:0;}
	.zz_5{width:100%;height:inherit;background:none;margin:0;padding-bottom:40px;}
	.zz_5 p{padding-top:30px;font-size:14px;line-height:24px;position: relative;}
	.zz_5 p::before{content:"";display:inline-block;width:60px;height:3px;background:#85cff1;position: absolute;top:0;left:50%;transform: translateX(-50%);}
}
