.preNavbar{margin-left:0!important}.preNavbar .nav-item{width:auto!important;min-width:100px}.el-dropdown{vertical-align:top;height:30px}.el-dropdown+.el-dropdown{margin-left:15px}.el-icon-arrow-down{font-size:12px}.main .section2 .aboutItem{margin-bottom:20px}.main .section2 .aboutItem p{margin-bottom:10px;font-size:14px;text-indent:2rem;line-height:30px}