#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;font-size:12px}.nav{width:100%;height:60px}.header{width:950px;display:flex;margin:0 auto;justify-content:space-between}.logo img{width:150px;height:50px}.ul_li ul li{float:left;list-style:none;line-height:60px;padding:0 20px;color:#333;cursor:pointer;font-size:13px;font-weight:400}.ul_li ul li:hover{color:#e63c62}.base{width:100%;height:150px;background-color:#000;position:fixed;bottom:0}.base_div{width:950px;margin:0 auto;display:flex;justify-content:space-between}.base_img{margin:40px 0}.base_img img{width:150px;height:50px}.base_ul_li{margin:40px 0}.base_ul_li>div{width:100%}.base_ul_li>div ul{height:20px;line-height:20px}.base_ul_li>div ul li{padding:0 10px;font-size:10px;list-style:none;float:left;color:#b5b5b5;cursor:pointer}.base_ul_li>div ul li:hover{color:#fff}.base_ul_li>div ul li img{overflow:hidden}.base_ul_li>div ul li a{color:#b5b5b5;text-decoration:none}.base_hr{margin:40px 10px;width:1px;height:60px;background-color:#ccc}.index_img{position:absolute;top:60px;bottom:150px;width:100%;height:auto;background:url(../img/banner_home.84a5e3ae.png) no-repeat;background-size:100% 100%}.index_img_div{position:relative;margin:0 auto;padding:300px 0}.index_img_div div{position:absolute;top:245px;left:600px;width:300px;height:150px;border:3px solid #fff}.index_img_div h1{color:#fff;font-size:35px;font-weight:400}