.header{position: relative;  background: #303e56;}
.header .logo-img{width: 4.75rem; padding:0.4rem 0.4rem; float: left;}
.header .tit{font-size: 1.125rem; color: #fff; padding: 0.4rem 0}
.header .tit span{color: #fdcd00; border-right: 1px solid #596578; display: inline-block; padding-right: 0.5rem; margin-right: 0.5rem}
.header .btn-to-home{position: absolute; right: 0.5rem; top: 50%; transform:translate(0, -50%); -webkit-transform: translate(0,-50%); }
.header-ico-home{width:28px; height:28px; display: inline-block; overflow: hidden; vertical-align: middle; background: url(http://ue2.17173cdn.com/a/lol/zt/2015/banben/m/img/ico-home.png); background-size: 100%; -webkit-background-size: 100%}

.pn-about{background:#ebebeb; padding: 0.8rem}
.list-about{overflow: hidden;}
.list-about .item{float: left; width: 33.3%; text-align: center;}
.list-about .item .con{width:80%; display:inline-block;}
.list-about .item .con img{width:85%}
.list-about .item .txt{font-size: 0.75rem; padding-top: 0.5rem}
.list-about .item2 .con{width:100%}
.list-about .item .con .txt{color: #333}

.footer { position:relative; padding:1em 0 2.5em; background-color:#888888}
.mod-platform { margin-bottom:0.5rem; text-align:center }
.mod-platform a { color:#fff }
.mod-platform a:first-child { margin-right:2em }
.copyright {font-size:.75rem; color:#b9b9b9; text-align:center }
.copyright a { color:#c0c0c0 }
.btn-gotop { display:none; position:fixed; bottom:-2em; left:50%; width:4em; height:4em; margin-left:-2em; background:rgba(0, 0, 0, 0.6); border-radius:100% ; z-index:100;text-align: center;}
.btn-gotop::after{ display:inline-block; position:relative; content: ''; top:1em; width:.8em;
height:.8em; border-left:.2em solid #a9abae; border-top:.2em solid #a9abae; -webkit-transform:rotate(45deg); -ms-transform:rotate(45deg);transform:rotate(45deg)}
.footer-ico-pc, .footer-ico-mobile{ display:inline-block; overflow:hidden;vertical-align:middle;background:url(http://ue1.17173cdn.com/a/lol/zt/2015/banben/m/img/footer-ico.png) no-repeat}
.footer-ico-pc{ background-size:300%; width: 20px; height:15px; margin: 0.3125em 0.5625em 0.3125em 0}
.footer-ico-mobile{  background-size:400%; width: 15px; height:18px; background-position:0 -20px; margin: 0.125em 0.5em 0.375em 0}