.about .banner p{font-size:36px}.about .float-tab{background:#fff;border-radius:4px;box-shadow:0 0 10px 0 #ddd;display:flex;height:84px;justify-content:space-around;line-height:84px;margin:auto;position:relative;top:-42px;width:930px}.about .float-tab .item{border-bottom:3px solid transparent;color:#333;cursor:pointer;font-size:1rem;text-align:center}.about .float-tab .item.curr,.about .float-tab .item:hover{border-bottom:3px solid #c40112;color:#c40112}.about>.nav{margin-top:-20px}