*{margin:0;padding:0;border:0;outline:0;font-size:14px;vertical-align:baseline;background:transparent;font-family:"Microsoft YaHei","微软雅黑";color: #000;}
body{position: relative;}
ul,li{list-style: none;}
a{text-decoration: none;cursor: pointer; color: #ccc;}
em,i{font-style: normal;}
.fl{float: left;}
.fr{float: right;}
.clearfix {*zoom: 1;}
.clearfix:after{display: block;content:" ";height: 0;visibility: hidden;clear: both;}
.w1180{width: 1180px;margin: 0 auto;}
.w1200{width: 1200px;margin: 0 auto;}


.banner_a{height: 430px;background: url(../../images/about/banner.jpg) center top no-repeat;}

.title{text-align: center;padding: 80px 0 50px;font-size: 36px;color: #000000;font-weight: bold;}

.step1{margin-top: -60px;}
.step1 ul{border-radius: 12px;box-shadow: 0 0 14px 1px rgba(0,0,0,.1);background: #fff;height: 62px;display: flex;justify-content:space-between;flex-wrap:wrap;padding: 32px 0;}
.step1 ul li{width: 290px;}
.step1 ul li::before{display: block;content: '';float: left;height: 50px;width: 1px;overflow: hidden;background: #e7e7e7;margin-top: 10px;}
.step1 ul li:nth-child(1)::before{display: none;}
.step1 ul li i{display: block;float: left;width: 48px;height: 48px;overflow: hidden;background-image:url(../../images/about/icons.png);background-size: 209px;background-position: 0 0;margin: 6px 14px 0 50px;}
.step1 ul li:nth-child(2) i{background-position: -54px 0;}
.step1 ul li:nth-child(3) i{background-position: -108px 0;}
.step1 ul li:nth-child(4) i{background-position: -162px 0;}
.step1 ul li .tex{float: left;height: auto;overflow: hidden;margin-top: -6px;}
.step1 ul li .tex em{display: block;font-size: 24px;font-weight: bold;color: #ff6c24;}
.step1 ul li .tex b{font-size: 32px;font-weight: bold;color: #ff6c24;}
.step1 ul li .tex p{font-size: 16px;color: #494949;}

.floor_1{height: auto;overflow: hidden;padding: 100px 0;}
.floor_1 .tex{float: left;width: 650px;}
.floor_1 .tex img{display: block;margin-bottom: 40px;}
.floor_1 .tex p{font-size: 16px;color: #494949;line-height: 34px;}
.floor_1 img.fr{display: block;}

.floor_2{height: auto;overflow: hidden;padding-bottom: 70px;background: #f7f7f7;}
.floor_2 ul{display: flex;justify-content:space-between;flex-wrap:wrap;width: 1200px;}
.floor_2 ul li{width: 597px;height: 341px;background: url(../../images/about/fl2_1.png) center top no-repeat;margin-bottom: 12px;}
.floor_2 ul li:nth-child(2){background-image:url(../../images/about/fl2_2.png);}
.floor_2 ul li:nth-child(3){background-image:url(../../images/about/fl2_3.png);}
.floor_2 ul li:nth-child(4){background-image:url(../../images/about/fl2_4.png);}
.floor_2 ul li .tit{font-size: 20px;color: #000000;font-weight: bold;line-height: 70px;padding: 16px 0 0 80px;}
.floor_2 ul li dl{display: flex;justify-content:space-between;flex-wrap:wrap;width: 500px;margin: 36px auto 0;}
.floor_2 ul li dl dd{width: 144px;height: 38px;line-height: 38px;border-radius: 50px;font-size: 16px;color: #fa8641;text-align: center;border: 1px solid #ff9e69;margin-bottom: 20px;}
.floor_2 ul li:nth-child(n+3) dl{width: 390px;margin: 36px 0 0 45px;}
.floor_2 ul li:nth-child(n+3) dl dd{width: 174px;}

.floor_3{height: auto;overflow: hidden;padding-bottom: 100px;}
.floor_3 img{display: block;margin: 0 auto;}

.floor_4{height: auto;overflow: hidden;padding-bottom: 100px;background: #f7f7f7;}
.floor_4 ul{display: flex;justify-content:space-between;flex-wrap:wrap;}
.floor_4 ul li{width: 360px;height: 549px;background:url(../../images/about/fl4_1.jpg) center top no-repeat;}
.floor_4 ul li:nth-child(2){background-image:url(../../images/about/fl4_2.jpg);}
.floor_4 ul li:nth-child(3){background-image:url(../../images/about/fl4_3.jpg);}
.floor_4 ul li span{display: block;font-size: 24px;color: #fff;padding: 48px 0 28px 44px;}
.floor_4 ul li p{font-size: 14px;color: #fff;line-height: 24px;padding: 0 0 6px 44px;}
.floor_4 ul li p b{display: inline-block;width: 42px;}