/*
* AUTHORE:WANGJIA;
* DATE:20151207;
*/

.bg{ width: 100%; height: 1000px; background: url(../images/bg.jpg) top center no-repeat; position: relative;}
.nav{ position: absolute; top: 20px; left: 50%; margin-left: -400px;}
.nav a{font: normal 14px/30px "Microsoft Yahei"; color: #fff; text-decoration: none; margin: 0 10px;}
.nav a:hover{ text-decoration: underline;}
.menu{ width: 1100px; height: 480px; position: absolute; top: 480px; left: 50%; margin-left: -550px;}
.menu a{ width: 230px; height: 120px; position: absolute; top: 0; left: 0;}
.menu .a1{ top: 8px; left: 213px; background: url(../images/a1.png) 0 0 no-repeat;}
.menu .a2{ top: 0px; left: 484px; background: url(../images/a2.png) 0 0 no-repeat;}
.menu .a3{ top: 18px; left: 776px; background: url(../images/a3.png) 0 0 no-repeat;}
.menu .a4{ top: 194px; left: 26px; background: url(../images/a4.png) 0 0 no-repeat;}
.menu .a5{ top: 228px; left: 281px; background: url(../images/a5.png) 0 0 no-repeat;}
.menu .a6{ top: 202px; left: 566px; background: url(../images/a6.png) 0 0 no-repeat;}
.menu .a7{ top: 228px; left: 843px; background: url(../images/a7.png) 0 0 no-repeat;}
.menu a:hover{ background-position: 0 -120px;}

.subbg{width: 100%; background: #dcdcdc url(../images/subbg.jpg) top center no-repeat;}
.topbox{ width: 1000px; height: 480px; margin: 0 auto; position: relative; }
.submenu{ width: 1000px; height:130px; margin: 0 auto; background: url(../images/menu.jpg) no-repeat; }
.submenu a{ width: 137px; height: 120px; float: left; margin-left: 1px;}
.submenu .a1{ background: url(../images/a1.png) -45px 15px no-repeat;}
.submenu .a2{  background: url(../images/a2.png) -45px 15px no-repeat;}
.submenu .a3{ background: url(../images/a3.png) -45px 15px no-repeat;}
.submenu .a4{ background: url(../images/a4.png) -45px 15px no-repeat;}
.submenu .a5{ background: url(../images/a5.png) -45px 15px no-repeat;}
.submenu .a6{ background: url(../images/a6.png) -45px 15px no-repeat;}
.submenu .a7{ background: url(../images/a7.png) -45px 15px no-repeat;}
.submenu a:hover{ background-position: -45px -105px;}

.article{ width: 900px; padding: 20px 50px; display: table; margin: 0 auto; background: #fff; margin-top: 0;  }
.article h2{ width: 100%; height: 60px; font: normal 28px/60px "Microsoft Yahei"; color: #666; text-align: center;}
.article .detail{ font: normal 14px/2 "Microsoft Yahei"; color: #777; margin-top: 20px;}
.back{ width: 800px; height: 330px; position: absolute; top: 110px; left: 150px;}