*{ margin:0 auto; padding:0;}
a{ font-size:12px; color:black; text-decoration:none}
a:hover{ text-decoration:underline; color:red;}
body{ line-height:20px;}

/*导航*/

.nav_01{ width:157px; height:119px; position:absolute;left: 69px; top: 276px;}
.nav_01 a{ width:157px; height:119px; display:block;background:url('1.gif')}
.nav_01 a:hover{ width:176px; height:119px;; display:block;background:url('1.gif') repeat 176px 0}
.nav_02{left: 221px; top: 322px; height: 119px; width: 157px; position:absolute;}
.nav_02 a{ width:157px; height:119px; display:block;background:url('2.gif')}
.nav_02 a:hover{ width:176px; height:119px;; display:block;background:url('2.gif') repeat 176px 0}
.nav_03{ width:157px; height:119px; position:absolute;left: 618px; top: 296px;}
.nav_03 a{ width:157px; height:119px; display:block;background:url('3.gif')}
.nav_03 a:hover{ width:176px; height:119px;; display:block;background:url('3.gif') repeat 176px 0}
.nav_04{ width:157px; height:119px; position:absolute;left: 766px; top: 348px}
.nav_04 a{ width:157px; height:119px; display:block;background:url('4.gif')}
.nav_04 a:hover{ width:176px; height:119px;; display:block;background:url('4.gif') repeat 176px 0}
.nav_05{ width:158px; height:119px; position:absolute;left: 766px; top: 348px;font-size:12px;}
.nav_06{ width:158px; height:119px; position:absolute;left: 766px; top: 348px;font-size:12px;}



/*主体*/

.main_00{ width:970px; overflow:hidden; position:relative}
.main_01{ width:970px; height:60px; background:url('main_01.jpg') no-repeat center center;}
.main_02{ width:970px; height:60px; background:url('main_02.jpg') no-repeat center center;}
.main_03{ width:970px; height:60px; background:url('main_03.jpg') no-repeat center center;}
.main_04{ width:970px; height:60px; background:url('main_04.jpg') no-repeat center center;}
.main_05{ width:970px; height:60px; background:url('main_05.jpg') no-repeat center center;}
.main_06{ width:970px; height:60px; background:url('main_06.jpg') no-repeat center center;}
.main_07{ width:970px; height:60px; background:url('main_07.jpg') no-repeat center center;}
.main_08{ width:970px; height:60px; background:url('main_08.jpg') no-repeat center center;}
.main_09{ width:970px; height:60px; background:url('main_09.jpg') no-repeat center center;}
.main_10{ width:970px; height:60px; background:url('main_10.jpg') no-repeat center center;}
.main_11{ width:970px; height:60px; background:url('main_11.jpg') no-repeat center center;}
.main_12{ width:970px; height:60px; background:url('main_12.jpg') no-repeat center center;}
.main_13{ width:970px; height:60px; background:url('main_13.jpg') no-repeat center center;}
.main_14{ width:970px; height:60px; background:url('main_14.jpg') no-repeat center center;}
.main_15{ width:970px; height:60px; background:url('main_15.jpg') no-repeat center center;}
.main_16{ width:970px; height:60px; background:url('main_16.jpg') no-repeat center center;}
.main_17{ width:970px; height:60px; background:url('main_17.jpg') no-repeat center center;}
.main_18{ width:970px; height:60px; background:url('main_18.jpg') no-repeat center center;}
.main_19{ width:970px; height:60px; background:url('main_19.jpg') no-repeat center center;}
.main_20{ width:970px; height:60px; background:url('main_20.jpg') no-repeat center center;}
.main_21{ width:970px; height:60px; background:url('main_21.jpg') no-repeat center center;}
.main_22{ width:970px; height:40px; background:url('main_22.jpg') no-repeat center center;}