*{margin:0;padding:0;}
html,body{margin:0;padding: 0;}
body{font-family: "Helvetica Neue",Helvetica,"Microsoft YaHei",Arial,sans-serif;margin: 0;font-size: 14px;background-color: #f9f9f9;color: #4E546B;}
ul,li,ol{list-style:none;}
.U_Control_FoldMenu_nav{position:absolute;top: 0;left: 0;width: 200px;height: 100%;background-color: #2b2f3e;}
.U_Control_FoldMenu_main_menu{padding: 20px 0;}
.U_Control_FoldMenu_menu_title{display: block;padding: 8px 12px;color: #7a7e8a;text-transform: uppercase;font-size: 14px;text-decoration: none;font-weight: 700;border-bottom: 1px solid #2f3444;transition: all .4s;-moz-transition: all .4s;-webkit-transition: all .4s;-o-transition: all .4s;box-sizing: border-box;cursor: pointer;}
.U_Control_FoldMenu_menu_title:hover{background: #449bd5;color: #fff;}
.U_Control_FoldMenu_menu_title_active{background: #449bd5;color: #fff;}

.U_Control_FoldMenu_Icon{width: 18px;height: 18px;float: left;margin-right: 5px;transform: initial;}
.U_Control_FoldMenu_sub_menu{transition: all .4s;-moz-transition: all .4s;-webkit-transition: all .4s;-o-transition: all .4s;overflow: hidden;height:0;}
.U_Control_FoldMenu_sub_menu>li>a{display: inline-block;padding: 6px 10px 6px 20px;color: #909298;text-decoration: none;white-space: nowrap;transition: all .2s;-moz-transition: all .2s;-webkit-transition: all .2s;-o-transition: all .2s;font-size: 13px;border-left: 0 solid #5e6271;text-align: left;cursor:pointer;display: block;}
.U_Control_FoldMenu_sub_menu>li>a:hover{border-left: 5px solid #5e6271;color: #dedede;}