.wrap { width: 100%; min-width: 1200px; margin: 0 auto; position: relative; margin: 0 auto; } 
.wrap img { display: block; } 
.w1200 { width: 1200px; margin: 0 auto; position: relative; } 
img { outline: 0 none; width: 100%; } 
body { width: 100%; overflow-x: hidden; margin: 0 auto; background: #000; font-family: Microsoft Yahei, Arial; } 



.topbar{ height: .7rem; width: 100%;  background: rgba(0, 0, 0, .8); position: absolute; top: 0; z-index: 5;}
.topbar_logo{  width:.66rem; position: absolute; top: 50%; left: 2rem; transform: translate(0,-50%);}
.topbar_nav{ display: flex; position: absolute; right: 2rem; top: .24rem;}
.topbar_nav a{ display: block;font-size: .16rem; color: #a7abad; margin-left: 1.4rem; position: relative; padding-bottom: 0.06rem; transition:all 0.2s 0s ease;}
.topbar_nav a::before{ content: ""; width: 0; height: 0.02rem; background: #0072ff; position: absolute; bottom: 0; left: 0; opacity: 0; transition:all 0.2s 0s ease;}
.topbar_nav a.act{ color: #0072ff;}
.topbar_nav a.act::before{ opacity: 1; width: 100%;}

.topbar_nav a:hover{ color: #0072ff; }
.topbar_nav a:hover::before{opacity: 1;width: 100%;}




.footer { background: url(../images/footerbg.png) no-repeat; background-size: 100% 100%; width: 100%; height: 2.33rem; position: relative; margin-top: -.16rem; } 
.footer_main { width: 15.2rem; margin: 0 auto; padding-top: .6rem; } 
.flex_bt { display: flex; justify-content: space-between; } 
.footerlogo {width:.66rem; } 
.footer1_links { display: flex; } 
.footer1_links a { display: block; font-size: .12rem; color: #bfbfbf; margin-left: .3rem; } 
.footer_t1_l { display: flex; height: .35rem; align-items: center; } 
.footer_iconbox { display: flex; padding-top: .09rem; } 
.footer_iconbox a { display: block; margin-left: .17rem; width: .23rem; height: .18rem; } 
.footer_t1 { padding-bottom: .23rem; border-bottom: 1px solid rgba(203, 203, 203, .1); padding-left: .12rem; } 
.footer_t2{ display: flex; justify-content:  space-between; padding-top: .32rem;}
.copyright{ font-size: .12rem; color: #bfbfbf;}
.copyright_box { display: flex; } 
.copyright_box p { font-size: .12rem; color: #bfbfbf; margin-left: .37rem; }