*{margin:0;padding:0;a{color:unset;text-decoration:none}
}#app{min-width:1200px;padding-top:75px}
@media (min-width:1500px){.container{max-width:80%;margin-left:10%}
}@media (max-width:1500px){.container{padding:0 20px}
}@media (max-width:840px){.header{li{padding:0 10px !important;line-height:unset !important}
.language{display:none !important}
}}.header{top:0;left:0;right:0;position:fixed;padding:10px 0;font-weight:500;background-color:white;box-shadow:0 5px 5px -5px #DCDFE6;.container{display:flex;align-items:center;justify-content:center;img{width:160px;height:55px;display:inline-block}
.nav{flex:1;display:inline-block;ul{list-style:none;display:flex;align-items:center;justify-content:center;li{cursor:pointer;padding:0 20px;font-size:18px;line-height:55px;&:hover,&.selected{color:#0064C8}
}}}
.language{width:100px;display:inline-block;line-height:35px;cursor:pointer;text-align:center;border-radius:20px;border:1px solid #E4E7ED}
}}#index,#choose,#product,#function,#about{scroll-margin-top:75px}
#index{height:650px;background-size:cover;background:url('../img/index.png') no-repeat center center;.container{color:white;padding-top:180px;h1{font-size:50px}
p{margin-top:10px;font-size:20px}
div{margin-top:40px;font-size:22px;letter-spacing:2px;width:150px;line-height:55px;cursor:pointer;text-align:center;background-color:#0064C8;border-radius:20px;border:1px solid #0064C8}
}}.index-tip{font-size:18px;line-height:45px;text-align:center;padding:50px 0 80px 0}
#choose{background:#BCCDE9;.container{height:600px;display:flex;align-items:center;justify-content:center;div{flex:1;h2{margin-top:20px}
h3{margin-top:5px;font-weight:400}
}img{width:600px}
}}#product{padding:30px 0 40px 0;h1{color:#0064C8;text-align:center;margin-bottom:20px}
.container{display:flex;align-items:center;justify-content:center;img{width:300px}
div{flex:1;padding-left:100px;h3{margin-bottom:10px}
p{font-size:18px;line-height:35px}
}}}
#function{padding:30px 0 40px 0;h1{color:#0064C8;text-align:center;margin-bottom:20px}
.container{display:flex;div{margin:0 10px 30px 10px;border-radius:20px;background-color:#0064C8;box-shadow:0 0 0 1px #DCDFE6;img{width:100%;border-radius:20px 20px 0 0}
h2{color:white;text-align:center;padding-top:10px}
p{color:white;padding:10px 15px 15px 15px}
}}}
#about{padding:0 0 40px 0;h1{color:#0064C8;text-align:center;margin-bottom:20px}
.container{display:flex;align-items:center;justify-content:center;div{flex:1;padding-right:10px;p{font-size:18px;text-indent:2em;line-height:35px}
}img{width:400px}
}}.footer{padding:30px 0;text-align:center;background-color:#1F232B;.container{display:flex;span{cursor:pointer}
.title{width:160px;color:white;font-size:18px;padding-bottom:15px}
.content{color:#909399;font-size:16px;padding-bottom:5px}
.wechat{flex:1;text-align:right;img{width:360px}
}}}
.copyright{text-align:center;color:#C0C4CC;font-size:16px;line-height:50px;background-color:#171717}