body{background-color: #f4f3f3}
.bar{width: 100%;position: relative;background-size: 100% 100%;height: 534px;}
.bar .content{width: 1200px;position: absolute;bottom: 105px;left: 50%;margin-left: -600px}
.bar .content p{line-height: 120px;color: #FFFFFF;font-size: 21px}
.bar .content button{width: 152px;height: 41px;border-radius: 21px;border: solid 1px #E50011;color: #FFFFFF;background-color: #E50011;font-size: 20px;cursor: pointer;outline: none;}
.bar .content button a{color:#fff}
.ad{width: 1200px;margin: 30px auto 0;font-size: 0}
.ad_title{text-align: center;font-size: 26px;color: #343434;margin: 10px 0 60px}
.ad_title h3{position: relative;font-weight: 400}
.ad_title h3:after{content:"";display: block;width: 55px;height: 3px;background: #e91e2c;position: absolute;left: 48%;bottom: -15px;margin-left: -27.5px   }
.ad .item{width: 198px;height: 98px;line-height: 100px;border: dashed 1px #E5E5E5;text-align: center;margin: 0 49px 40px 0;display: inline-block;vertical-align: top}
.ad .item img{vertical-align: middle}
.ad .item:nth-child(5n+1){margin-right: 0}