body{height:100%;}

.main{padding: 110px 50px 40px;height:100%;width:1100px;margin: 0 auto;color:#393939;font-size:16px;}

.main .t1{padding: 24px 0;text-align: center;}
.main .content{text-align: left;}
.main .content li{line-height: 28px;}