a,body,div,h2,h3,h5,h6,html,li,p,span,strong,ul{margin:0;padding:0;-webkit-box-sizing:border-box;box-sizing:border-box}footer,header,nav{display:block}body,html,img{border:0}li{list-style:none}h2,h3,h5,h6{font-size:100%;color:#333}a{cursor:pointer}a,a:hover{text-decoration:none}body{color:#333;outline:0}body{background:#fff}a{color:#369eff}html{font-family:"Microsoft YaHei","微软雅黑",Helvetica,Tahoma,Arial,STXihei,sans-serif,helvetica,sans-serif;font-size:62.5%;color:#2f2f2f;line-height:1.875}body{font-size:1.6rem}h2{font-size:4.8rem}h3{font-size:4rem}h5{font-size:2.4rem}h6{font-size:2.2rem}@media (max-width:767px){h2{font-size:4rem}}img{max-width:100%;height:auto}b,h2,h3,h5,h6,strong{font-weight:700;color:#333}p{color:#666}.container{max-width:1200px;margin:0 auto}@media (max-width:1199px){.container{margin-left:15px;margin-right:15px}}.topp:after{display:block;clear:both;visibility:hidden;height:0;overflow:hidden;content:"."}.topp{zoom:1}a[class*=btn]{min-width:200px;border-radius:10px;height:50px;line-height:50px;font-size:2rem;display:inline-block;text-align:center;color:#fff;padding:0 20px}a[class*=btn]:hover{opacity:.9}.logo-box{padding:15px 0;font-size:0;float:left}.logo-box img{vertical-align:middle;margin-right:9px}.header{position:fixed;top:0;left:0;z-index:200;width:100%;z-index:2000;color:rgba(255,255,255,.7);line-height:1.5;font-size:1.6rem}.header a{color:rgba(255,255,255,.7)}.header-nav{float:right;font-size:1.6rem}.header-nav .nav-it{margin-left:40px;float:left;position:relative}.header-nav .nav-it::after{content:"";display:block;width:50px;height:4px;background:#fff;border-radius:2px;position:absolute;bottom:0;left:calc(50% - 25px);opacity:0}.header-nav .nav-it>a{padding:28px 0;display:inline-block}.header-nav .nav-it:first-child{margin-left:0}.header .nav-tg{display:none}.header .nav-it:hover::after{opacity:1}@supports (-ms-ime-align:auto){}@media (min-width:1024px){.header-nav .nav-it>a,.logo-box{-webkit-transition:padding-top .5s;transition:padding-top .5s}}@media all and (max-width:1023px){body{padding-top:100px}.header{background:#203491}.header .logo-box{width:100%;float:none;padding:25px 0}.header .logo-box .nav-tg{display:block;width:30px;float:right;position:relative;-webkit-transition:all .65s;transition:all .65s;margin-top:10px}.header .logo-box .nav-tg span{display:block;height:4px;background-color:#fff;margin-bottom:8px}.header .header-nav{float:none;max-height:400px;display:none;overflow-x:hidden;-webkit-transition:all .5s linear;transition:all .5s linear}.header .header-nav .nav-it{width:100%;margin-left:0;float:none;border-top:1px solid rgba(238,238,238,.5)}.header .header-nav .nav-it::after{display:none!important}.header .header-nav .nav-it>a{padding:15px 0}}.footer{padding:25px 0 15px;background-color:#141924;color:#7e7f82;line-height:1.5}.footer a{color:#7e7f82}.footer a:hover{color:#fff}.footer .ft-bt{font-size:14px;text-align:center;margin-top:10px}@media all and (max-width:767px){.footer{text-align:center}}
.scrolling .topp {
    background:#203491
  }