#main_box_img{ height:150px; width:100%; }

#main_box_left{ float:left; width:200px; margin-top:4px; height:auto; background:#FFFFFF;}
#main_box_left dl dd{ margin:0 0 0 20px; line-height:20px; background:url(../img/dd_bg.jpg) left no-repeat; padding-left:15px;}
.main_left_top{ width:200px; height:15px; background:url(../img/main_left_top_bg.gif) bottom no-repeat; display:block;}
.main_left_down{ width:200px; height:11px; background:url(../img/main_left_down_bg.gif) bottom no-repeat; display:block;}
*html .main_left_down{ margin-top:-6px;}

#about_company_box{ background:#fff; padding-top:4px; clear:both; border-left:#93a8b9 1px solid; border-right:#93a8b9 1px solid;}
#about_company_box h1{ background:url(../img/about_h1_bg.gif); width:148px; height:18px; color:#173969; padding:10px 0 2px 50px; font-size:14px; clear:both; margin:0 0 6px 0px;}
#about_company ul li{ line-height:25px; border-bottom:#CCCCCC 1px solid;}
#about_company ul li img{ margin: 6px 10px 0 10px;}
.moveover_li_bg{ background:#33CCFF;}

#quality_box{ background:#fff; clear:both; padding-top:4px;  border-left:#93a8b9 1px solid; border-right:#93a8b9 1px solid;}
#quality_box h1{ background:url(../img/about_h1_bg.gif); width:148px; height:18px; color:#173969; padding:10px 0 2px 50px; font-size:14px; margin:0 0 6px 0px;}
#quality ul li{ line-height:25px; border-bottom:#CCCCCC 1px solid;}
#quality ul li img{ margin: 6px 10px 0 10px;}

#main_box_right{ float:right; width:744px; height:auto; margin:4px 0 0 4px; background:#FFFFFF;}
.main_right_top{ width:744px; height:10px; background:url(../img/main_box_top_bg.gif) bottom no-repeat; display:block;}
.main_right_down{ width:744px; height:10px; background:url(../img/main_box_down_bg.gif) bottom no-repeat; display:block;}
*html .main_right_down{ margin-top:-6px;}

#introduce_box{ border-left:#93a8b9 1px solid; border-right:#93a8b9 1px solid;}
#introduce_box h1{ font-size:24px; background:url(../img/main_title_bg.gif) bottom no-repeat; display:block; width:742px; height:40px; text-align:center; padding-top:10px; }
#introduce{ margin:10px 4px 0 4px;}
/*#introduce img{ width:250px; height:200px; float:left;}*/