.content{width: 1000px;}
.content p{line-height: 30px;color: white;font-weight: bold;}
.img3,.img8{height: 36px;}
.img4,.img5,.img6,.img7{width: 120px;height: 90px;}
.img9,.img10{width: 200px;height: 150px;}
.img1{background: url(top.png) no-repeat;height: 300px;}
.img2{background: url(shijing.png) no-repeat;width: 265px; height: 240px;}
.img3{background: url(navbar.jpg) no-repeat}
.img4{background: url(x_sj3.png) no-repeat}
.img5{background: url(x_sj2.png) no-repeat}
.img6{background: url(x_sj4.png) no-repeat}
.img7{background: url(x_sj1.png) no-repeat}
.img8{background: url(navbar1.jpg) no-repeat}
.img9{background: url(x_sj5.png) no-repeat}
.img10{background: url(x_sj6.png) no-repeat}
.bg1{background: url(bg1.png);}
.bg2{background: url(kuang.jpg);width: 358px;height: 313px;}
.bg3{background: url(bg2.jpg);}
.bg4{background: url(bg3.jpg);}
.center{text-align: center;}
.middle{margin: 0 auto;}
.left{float: left;}
.br1{border: #cecc99 4px solid;}
.ti2{text-indent: 2em;}
.p10{padding: 10px;}
.m10{margin: 10px;}
.ml20{margin-left: 20px;}
.ml30{margin-left: 30px;}
.ml49{margin-left: 49px;}
.ml100{margin-left: 100px;}
.ml200{margin-left: 200px;}
.mt10{margin-top: 10px;}
.mt20{margin-top: 20px;}
.mt50{margin-top: 50px;}
.pt10{padding-top: 10px;}
.w500{width: 500px;}