/*简单粗暴重置默认样式===============================*/
	*{ margin: 0; padding: 0;text-align:center;background: #20282e;}
	img{border:0;}
	
	body{background-color:#2B343C;margin: 0; padding: 0;font-family: "Roboto", -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'!important;
	
	}
	ul,li{list-style-type:none; margin: 0; padding: 0}
	a {color:#00007F;text-decoration:none;}
	a:hover {color:#bd0a01;text-decoration:underline;}
	.treebox{ width: auto; margin: 0 ;padding: 0; background-color:#1a6cb9; }
	.menu{ overflow: hidden; border-color: #ddd; border-style: solid ; border-width: 0 ; }
	/*第一层*/
	.menu li.level1>a{ 
			background:#20282e;
		width: 130px;
		color: hsla(0,0%,100%,.65);
		display:block;
		height: 40px;
		line-height: 40px;
		white-space: nowrap;
		text-decoration: none;
		text-align:left; 
		font-size:13px;
		position: relative;
		transition:all .3s ease 2s;
		padding-left: 20px;
		border-bottom: 0px solid #000; 
		
		position: relative;
		transition:all .5s ease 0s;
	 }
	 .menu li.level1 a:hover{ text-decoration: none;color: #FFF;cursor: pointer; }
	 .menu li.level1 a.current{ background: #1890ff; color: #fff;}
	
	 
//
	/*============修饰图标*/
	

	 /*============小箭头*/
	.level1 i{ width: 20px; height: 10px; background-image:url(images/arrow.png); background-repeat: no-repeat; display: block; position: absolute; right: 20px; top: 20px; }
	.level1 i.down{ background-position: 0 -10px; }

	 .ico1{ background-position: 0 0; }
	 .ico2{ background-position: 0 -20px; }
	 .ico3{ background-position: 0 -40px; }
	 .ico4{ background-position: 0 -60px; }
	 .ico5{ background-position: 0 -80px; }
//
	 /*第二层*/
	 .menu li ul{ overflow: hidden;}
	 .menu li ul.level2{ display: none; background: #20282E; }
	 .menu li ul.level2 li a{
		     color: hsla(0,0%,100%,.65);
		 line-height: 38px;
		text-align: left;
		padding-left: 25px;
	
		display: block;
		background:#20282e;
		position: relative;
		overflow: hidden;
		display: block;
		line-height: 32px;
		
		/*text-indent: 60px; */
		/*border-bottom: 1px solid #ddd; */
		font-size: 13px ;
		transition:all 1s ease 0s;
		
	 }
	 /*美化滑轮*/
::-webkit-scrollbar
{
  /*background:#dddddd;*/
  border-radius:8px;
  width:4px;
  height: 3px;
  /*height:50px;*/
}
::-webkit-scrollbar-track {
  width:4px;
  background-color: #FFFFFF;
} /* 滚动条的滑轨背景颜色 */

::-webkit-scrollbar-thumb {

  background-color: #c1c1c1;
} /* 滑块颜色 */

::-webkit-scrollbar-button {
  background-color: #FFFFFF;
}
/*滑轨两头的监听按钮颜色 */

::-webkit-scrollbar-corner {
  background-color: black;
}
