#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;z-index:999;top:0;left:0;right:0;position:absolute;margin:0 auto;width:1903px}.el-menu-3{height:80px}.scroll-top{bottom:180px}.scroll-top,.scroll-top2{position:fixed;right:20px;z-index:999}.scroll-top2{bottom:140px}.scroll-top3{position:fixed;right:20px;bottom:100px;z-index:999}.el-carousel__item h3{color:#475669;font-size:14px;opacity:.75;line-height:200px;margin:0}.el-carousel__item:nth-child(2n){background-color:#99a9bf}.el-carousel__item:nth-child(odd){background-color:#d3dce6}.w1{color:#333;font-size:16px;margin-top:15px}.ct1,.w1{text-align:center}.ct1{color:#0e96d4;font-size:42px;font-weight:700}