.dropdown{position:relative}.dropdown .drop_item{position:absolute;height:0;opacity:0;right:0;top:100%;overflow:hidden;-webkit-transition:opacity .5s;-moz-transition:opacity .5s;-o-transition:opacity .5s;-ms-transition:opacity .5s;transition:opacity .5s}.dropdown:hover .drop_item{height:auto;opacity:1}html,body{width:100%;height:100%;font-family:"Microsoft YaHei","Hiragino Sans GB",sans-serif;font-size:18px;-webkit-tap-highlight-color:rgba(0,0,0,0)}a{text-decoration:none}.home_area{overflow:hidden}header{width:100%;height:60px;position:fixed;top:0px;left:0px;z-index:999;background:url(img/2ffbb8a4e1301056.w80.png);border-bottom:1px solid #ccc;border-bottom:1px solid rgba(0,0,0,0.2);color:#333}.index_menu{margin:0}.index_menu ul li{float:left;line-height:60px;margin-left:48px;cursor:pointer}.index_menu ul li a{width:100%;height:100%;color:#333;text-decoration:none;display:block}.index_menu ul li a:hover{color:#ff6493}.index_menu ul .active a{color:#ff6493}.index_menu ul .menu_buy{background:url('img/menu_buy.png') no-repeat center;height:60px;width:118px}.index_menu .drop_item{right:50%;margin-right:-75px}.body_area{max-width:1200px;margin:0 auto;position:relative;height:100%}.index_logo{background:url('img/1e1866a215dc9fa2.LOGO.png') no-repeat;width:122px;height:38px;margin-top:11px;position:relative}.btn{display:inline-block;font-size:24px;color:#ff6493;border:1px solid #ff6493;line-height:2em;padding:0 27px;text-decoration:none;border-radius:2em;-webkit-border-radius:2em;-moz-border-radius:2em;-ms-border-radius:2em}.btn:hover{background:#ff6493;color:#FFF}.btn_dis,.btn_dis:hover{background:#EEE;border:1px solid #EEE;color:#FFF}.btn_back{border-radius:10px;-webkit-border-radius:10px;-moz-border-radius:10px;-ms-border-radius:10px;background:#ff6493;color:#FFF}.btn_back:hover{background:#ff739e}.color1{color:#ff6493}