/*video*/
.center .content1 .lBlock1 {width:26%; padding:20px 3% 20px 0; float:left;}
.center .content1 .rBlock1 {width:70%; padding:20px 0; float:left;}

.video_tutorial {width:100%;}
.center .content1 .video_tutorial h1 {font:31px Arial, Helvetica, sans-serif; color:#004193;}
.center .content1 .video_tutorial .item {width:380px; height:380px; padding:10px 4% 10px 0; text-align:center; float:left; font-size:19px;}
.center .content1 .video_tutorial .item .txt {height:50px; margin-bottom:1px; overflow:hidden;}
.center .content1 .video_tutorial .item .txt table {width:100%; border-collapse:collapse;}
.center .content1 .video_tutorial .item .txt table td {height:50px; font-size:18px;}
.center .content1 .video_tutorial .item .video {width:380px; height:280px; margin-bottom:10px;}
/*video*/