*{font-size:14px; font-family:Arial,Helvetica, sans-serif; color: #666;
font-family: "微软雅黑";}
body {margin:0;padding: 0;font-family: "微软雅黑";text-decoration: none;color: #333;}
div,table,p,ul,li,span,b,a,h1,tr,td,th,form,dl,dt,dd,input{margin:0;padding:0;}
ul,li,ol{list-style: none outside none;}
img{border:none;}
a{text-decoration:none;}
a:hover{ text-decoration:underline; color: #0085C3;}
p{ text-indent:2em;}
.more{color:#ac0000; text-decoration: underline; font-size: 12px;}



/*top*/
.top{width: 100%; height: 36px; background: #175699; border-top: 1px solid #003e7e;}
.top a{width:1024px; line-height: 36px; color: #fff; font-size: 14px; text-align: right; display: block; 
text-decoration: none; margin: 0 auto;}
/*banner*/
.banner{width: 100%; height: 474px; background: url(../images/Dell_banner.jpg) no-repeat center #0271c3;}
.banner a{ display: block; position: absolute; left: 20%; top: 7%;}
/*main*/
.main_box{width:1024px; height: auto; margin: 0 auto; }
.main1{width:1012px; height: 227px; background: #cce7f3;  position: absolute; top: 450px; padding: 6px 6px;}
.main1_pic{width:446px; height: 227px; float: left;}
.main1_content{width:510px; height: auto; float: right;font-size: 14px; line-height: 30px;margin:10px 20px 10px 0;}
/*广告位*/
.AD{width:1024px; height:90px; margin-top:200px; background:#444; text-align:center;}
/*main2*/
.main2{width:100%; height: 306px; display: block; margin-top: 60px;}
.main_two{width:503px; height:auto; float:left; position:relative;}
.main22_content{width:443px; background:url(../images/Dell_kk_bg.jpg) no-repeat top #cce7f3; height:246px; line-height:24px;padding:30px;}
/*main2*/
.title{width:178px; height: 48px; line-break: 58px; font-size: 26px; color: #ffffff; text-align: center; 
background:url(../images/Dell_title_bg.png) no-repeat; font-family: "微软雅黑"; font-weight: bold;padding-top: 13px; 
padding-right: 20px; position: absolute; top: -40px; z-index: 99;}
.main2_content{width:1004px; height: 258px; overflow: hidden; background: #cce7f3; z-index:98; padding: 20px 0px 10px 0; }
.main2_vidio{float:left; width:446px; height:258px; margin-left:10px;}
/*main3*/
.main3{width:auto; height: auto; margin-top: 60px; position: relative;}
.main3_content{width:auto; height: auto; padding:26px 30px; overflow: hidden; background: #cce7f3; }
.main3_list{display: block; float: left; width:456px; height: 120px; margin:10px 0; }
.main3_list dt{width:180px; height: 120px; float: left;}
.main3_list dd{width:250px; float: left; padding-left: 10px; margin: 0; font-size: 14px; line-height:24px;}
.title1{font-size:16px; color: #0085C3; display: block; text-decoration: none;}
.main3_right{margin-left:40px;}
.main3_content ul li{float:left; line-height: 30px; background: url(../images/Dell_list_mainbg.jpg) no-repeat left;
padding-left:20px; width:436px;}
/*bottom*/
.bottom{width:100%; height: 95px; line-height: 95px; font-size: 18px; color: #fff; 
border-top:5px solid #004e72; background:#1e72ca; margin-top: 20px; overflow: hidden; text-align: center; display: block;}