diff --git a/web/styles.css b/web/styles.css
index b00c638..a63c69e 100644
--- a/web/styles.css
+++ b/web/styles.css
@@ -1320,6 +1320,45 @@ span.parameter {
         color: #000;
 }
 
+div#maincontent h2
+		{
+		font-size: 30px;
+        font-weight: 400;
+		color:#3f3f3f;
+		}
+
+body#homefirst div#maincontent, div#maincontent h1, div#maincontent h2, div#sidebar div#ad h2
+		{
+		font-family:'微软雅黑';
+		}
+
+        *
+		{
+		margin:0;
+		padding:0;
+		border:0;
+		}
+
+body
+		{
+		font-family:PingFangSC-Regular, Verdana, Arial, '微软雅黑','宋体';
+		font-size:15px;
+		}
+
+div#maincontent div#intro {
+        padding-top: 45px;
+        padding-bottom: 45px;
+		font-size:24px;
+		font-family:'微软雅黑';
+		color:#3f3f3f;
+		font-weight:400;
+        }
+
+span.parameter {
+        font-style: italic;
+        color: #000;
+}
+
 div#maincontent h2
 		{
 		font-size: 30px;
@@ -1425,84 +1464,3 @@ div#maincontent button
 
 
 	/* ----------------------------------- layout ----------------------------------- */
-html 	{ 
-		min-width: 1210px;
-		background-color: #fdfcf8;
-		overflow:scroll;
-		overflow-x:hidden;
-		}
-
-body
-		{
-		text-align: center;
-		margin: 0;
-		padding: 0;
-		border: 0;
-		background: #fdfcf8;
-		}
-
-div#wrapper
-		{
-		margin: 0 auto;
-		padding: 0;
-		border: 0;
-		width: 1239px;
-		text-align: left;
-		background: transparent url(/ui2017/wrapper.png) top left repeat-y;
-		}
-
-div#navsecond
-		{
-		float: left;
-		margin: 0 0 0 6px;
-		padding: 0;
-		border: 0;
-		width: 180px;
-		background : transparent;
-		}
-
-html>body div#navsecond
-		{
-		margin-left: 12px;
-		}
-
-div#maincontent
-		{
-		float: left;
-		margin: 0;
-		padding: 30px 0 0 0;
-		border: 0;
-		width: 850px;
-		background: transparent;
-		}
-
-div#maincontent	div{
-	width: 810px;
-	margin: 0 0 0 25px;
-	padding: 30px 0 35px 0;
-	border:0;
-	border-bottom: 1px solid #aaa;
-	}
-
-div#sidebar
-		{
-		float: left;
-		margin: 0;
-		padding: 0;
-		border: 0;
-		width: 180px;
-		background: transparent;
-		}
-
-div#footer
-		{
-		clear: both;
-		margin: 0;
-		padding-top: 16px;
-		margin-left: 12px;
-		width: 1210px;
-		line-height:24px;
-		background: #f0f0f0;
-		border-top: 0px solid #fff;
-		background: #fdfcf8 url(/ui2017/footer.png) top left repeat-x;
-		font-family:PingFangSC-Regular, '微软雅黑', Verdana, Arial, '宋体';
\ No newline at end of file