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no-repeat #fff}.weixin-show,.weixin-show .mash{width:100%;height:100%;left:0;top:0}.backtop a:hover{background-color:#ececec}.backtop .bg2{background-position:0 -61px}.weixin-show{position:fixed;z-index:40}.weixin-show .mash{position:absolute;background:rgba(0,0,0,.6)}.weixin-show .weixin-bg{width:252px;height:252px;position:absolute;left:50%;margin-left:-126px;top:50%;margin-top:-126px;background:url(../images/weixin.png)}@media screen and (max-width:1080px){#header,#header #nav{left:0;margin-left:0;width:100%;top:0}.fix-top #header{position:fixed;top:0;background:#0172ff}#header{height:2.125rem}#header nav,#header nav:hover{height:0}#header #nav{display:none;position:fixed;height:100%;background:rgba(0,0,0,.8);z-index:20;margin-top:2.125rem;padding-top:.25rem}#header #nav a{width:100%;display:block;line-height:2rem;font-size:.8rem;padding:0;padding-left:1rem;text-align:left}#header #nav .username,.username{padding-left:2.2rem}#header .logo img{margin-top:.5rem;width:2.25rem}#header .source_switch{float:right;width:1rem;height:.875rem;margin-top:.6rem;background:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAjAQMAAADc99rtAAAABlBMVEX///////9VfPVsAAAAAXRSTlMAQObYZgAAABNJREFUCNdj+A8CDLhISsAAmQwAptFKtkm9vFIAAAAASUVORK5CYII=);background-size:100% 100%;-webkit-transition:-webkit-transform .3s;transition:-webkit-transform .3s;transition:transform .3s;transition:transform .3s,-webkit-transform .3s}#header .account{display:none}#header .web,.show_menus #header #nav{display:block}.show_menus{overflow:hidden}.show_menus #header .source_switch{-webkit-transform:rotate(90deg);-ms-transform:rotate(90deg);transform:rotate(90deg)}.main-wrapper{width:13.9rem}#footer p{font-size:.35rem;margin-top:0;padding-bottom:.4rem}#footer .cont{border-bottom:none;padding-top:1rem}#footer .cont .f-left{width:6.95rem}#footer .cont .f-left h3{margin-bottom:1rem;font-size:.6rem;float:left;margin-right:.4rem}#footer .cont .f-left a{display:inline-block;color:#b2b2b2;margin-right:0;font-size:.5rem}#footer .cont .follow a{width:1rem;height:1rem;border:none;border-radius:50%;position:relative;top:0}#footer .cont .follow 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no-repeat;background-size:auto .75rem;display:block;content:'';position:absolute;left:50%;top:50%;margin:-.4rem 0 0 -.5rem}#footer .cont .follow a.in:after{background-position:-1rem 0}#footer .cont .follow a.fb:after{background-position:-2rem 0}#footer .cont .relate-link a{position:relative;top:-.3rem}#footer .cont .relate-link h3{margin-left:.8rem}#footer .cont .tool{display:none}#footer .cont .language{position:static}#footer .cont .language #lang_switch{position:relative}#footer .cont .language .active dd{display:block}#footer .cont .language dd{display:none;position:absolute;left:0;bottom:1.25rem}#footer .cont .language a,#footer .cont .language dt{font-size:15px;display:block;width:13.9rem;line-height:1.25rem;height:1.25rem}#footer .cont .language a{font-weight:700;border:1px solid #565656;box-sizing:border-box;-webkit-box-sizing:border-box}#footer .cont .language a:hover{border-color:#4c4c4c;background:#4c4c4c}#footer .cont .language dt{text-align:center;border-color:#525252;background:#6e6e6e}.en #footer .cont .f-left h3{margin-right:.4rem}.en #footer .cont .relate-link{margin-left:0}.en #footer .cont .language{bottom:auto}.en #footer .cont .follow a{margin:0}.backtop{display:none}.weixin-show .weixin-bg{width:6.3rem;height:6.3rem;background-size:6.3rem 6.3rem;margin:-3.15rem 0 0 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