.topbg{ background:#0d59a7;}
.topbg1{ background:#ffffff;}
.tzgg{ background:url(../images/img_18.png) no-repeat;}
.tzggts{ background:url(../images/title_25.jpg) no-repeat top center;} 
.titlebg1{ background:url(../images/titlebg_1.png) no-repeat;background-position:bottom;}
.titlebg2{ background:url(../images/titlebg_2.png) no-repeat;background-position:bottom;}
.titlebg3{ background:url(../images/titlebg_3.png) no-repeat;background-position:bottom;}
.titlebg4{ background:url(../images/titlebg_4.png) no-repeat;background-position:bottom;}
.titlebg5{ background:url(../images/titlebg_5.png) no-repeat;background-position:bottom;}
.titlebg6{ background:url(../images/titlebg_6.png) no-repeat;background-position:bottom;}