/* 鍏叡鏍峰紡 */
.main_item{padding-bottom: 32px;}
/* 鍟嗗璧勮川 */
.main_item_content.about{display: inline-block;line-height: 28px;text-indent: 2em;font-size: 14px;}

/* 鏈嶅姟浼樺娍 */
.advantage{padding-bottom: 40px;}
.service_advantage_content{padding: 0 50px;}
.service_advantage_item{display: block;float: left;width: 283px;height: 122px;margin-top: 30px;margin-right: 163px;background: url(advantage_item.png) center center no-repeat;background-size: contain;text-align: center;}
.service_advantage_item:nth-of-type(1){margin-top: 0;}
.service_advantage_item:nth-of-type(2){margin-top: 0;}
.service_advantage_item:nth-of-type(2n){margin-right: 0;}
.service_advantage_item_index{display: block;width: 100%;height: 36px;line-height: 36px;text-align: center;font-size: 18px;color: #fff;}
.service_advantage_item_title{display: block;width: 254px;margin: 0 auto;margin-top: 32px;line-height: 44px;font-size: 0;}
.service_advantage_item_title span{font-size: 14px;color: #333;line-height: 22px;display: inline-block;vertical-align: middle;text-align: left;}