@CHARSET "UTF-8";

 h1, h2, p {margin:0 10px; letter-spacing:1px;}
 h1 {font-size:2.5em; color:#fff;}
 h2 {font-size:2em;color:#06a; border:0;}
 p {padding-bottom:0.5em;}
 h2 {padding-top:0.5em;}

<!-- Help查询关键字输入框圆角 -->
.xtop, .xbottom {display:block; background:transparent; font-size:1px;width:400px;}
.xb1, .xb2, .xb3, .xb4 {display:block; overflow:hidden;}
.xb1, .xb2, .xb3 {height:1px;}
.xb2, .xb3, .xb4 {background:white; border-left:0px solid #ffffff; border-right:0px solid #ffffff;}
.xb1 {margin:0 4px; background:#ffffff;}
.xb2 {margin:0 2px; border-width:0 2px;}
.xb3 {margin:0 1px;}
.xb4 {height:1px; margin:0 1px;}
.xboxcontent {display:block;color:gray; background:white;width:400px;outline:none;border:0 solid white;border-width:0 1px;height:12px;line-height:12px;font-size:12px;padding-top:3px;padding-bottom:3px;}


.dtop, .dbottom {display:block; background:transparent; font-size:1px;width:400px;}
.db1, .db2, .db3, .db4 {display:block; overflow:hidden;}
.db1, .db2, .db3 {height:1px;}
.db2, .db3, .db4 {background:white; border-left:0px solid #ffffff; border-right:0px solid #ffffff;}
.db1 {margin:0 4px; background:#ffffff;}
.db2 {margin:0 2px; border-width:0 2px;}
.db3 {margin:0 1px;}
.db4 {height:1px; margin:0 1px;}
.dboxcontent {display:block;color:gray; background:white;width:395px;outline:none;border:0 solid white;border-width:0 1px;height:12px;line-height:12px;font-size:12px;padding-top:3px;padding-bottom:3px;}




.dhbar {
	margin: 0 auto;
	margin-top: 4px;
	width: 1000px;
	height:28px;
	border: 0px solid gray;
}

.dhbar .dhcontent {
	padding: 0 5px;
}

b.dhtop,b.dhbottom {
	display: block;
	background: #fff
}

b.dhtop b,b.dhbottom b {
	display: block;
	height: 1px;
	overflow: hidden;
	background: #848284;
}

b.dh1 {
	margin: 0 3px
}

b.dh2 {
	margin: 0 1px
}

b.dh3 {
	margin: 0 1px
}

b.dhtop b.dh4,b.dhbottom b.dh4 {
	margin: 0 1px;
	height: 1px
}

.dhcontent {
	height: 20px;
	background-color: #848284;
}