.header .nav li:hover .sub_pro,.header .nav li:hover .sub_skill,.header .nav li:hover .sub_brand{height: 138px;}
.sidebar{opacity: 0;}
.bot_menu{position: fixed;right: 0;bottom: 110px;z-index: 99;width: 160px;font-family: arial,"microsoft yahei";box-shadow: 0 4px 10px rgba(0, 0, 0, .1);}
.bot_menu .menu_top{line-height: 54px;background: #33B7B4; font-size: 15px; color:#fff;padding:0 20px 0 20px;height: 54px;overflow: hidden;}
.bot_menu .menu_top span{display: block;float: left;line-height: 54px;}
.bot_menu .menu_top img{display: block;float: right;margin-top: 20px;cursor: pointer;}
.bot_menu .menu_top img:hover{transform: rotate(90deg);-ms-transform: rotate(90deg);-moz-transform: rotate(90deg);-webkit-transform: rotate(90deg);-o-transform: rotate(90deg);;}
.bot_menu .menu_mid{line-height: 45px;background: #f5f5f5;color:#333;padding:10px 20px 20px 20px;overflow: hidden;}
.bot_menu .menu_mid span{display: block;float: left;line-height: 45px;font-size: 14px;}
.bot_menu .menu_mid img{display: block;float: left;padding: 0px 0;}
.bot_menu .menu_mid h3{font-size: 12px;color: #666;font-weight:normal;line-height: 25px;padding-top: 12px; }
.bot_menu .menu_bot{background: #fff;padding:0 0 0 5px;height: 70px;}
.bot_menu .menu_bot h3{font-size: 14px;color: #666;font-weight:normal;line-height: 25px;padding-top: 12px; }
.bot_menu .menu_bot h2{color: #33B7B4;font-size: 19px;line-height: 1;}
.bot_list img{display: block;position: fixed;z-index: 1;cursor: pointer;}
.bot_list .bot_go_msg{right: -50px;bottom: 111px;}
.bot_list .bot_go_top{right: 0;bottom: 70px;}