*{margin: 0;padding: 0;}
ul li{list-style: none;}
.dimg{width: 940px;height: 600px;margin: 0 auto; text-align: center;}
.footls{margin: 0 auto;text-align: center; width: 1200px;height: 450px;margin-top: 50px;}
.b1_04{margin-top: 520px;}
.footls #buttom .b2-img1
.footls #buttom{width: 263px;height: 540px;margin-top: 500px;}
.footls #buttom ui{width: 263px;height: 550px;}
.footls #buttom .b2-img1{width: 263px;height: 76px;}
.footls #buttom .b2-img1 a {width: 263px;}
.footls #buttom .b2-img1 a div{background: url("images/b1_c1.png") no-repeat left;}
.footls #buttom .b2-img2 a div{background: url("images/b1_c2.png") no-repeat left;}
.footls #buttom .b2-img3 a div{background: url("images/b1_c3.png") no-repeat left;}
.footls #buttom .b2-img1 a:active  div{background: url("images/b1_c11.png") no-repeat left;}
.footls #buttom .b2-img2 a:active  div{background: url("images/b1_c22.png") no-repeat left;}
.footls #buttom .b2-img3 a:active  div{background: url("images/b1_c33.png") no-repeat left;}
.footls #buttom .b2-img2 .bb2{float: left;}
.footls #buttom .b2-img3 .bb2{float: left;}
.footls #buttom .b2-img1 .bb3{float: left;margin-top: -76px;}
.footls #buttom .b2-img2 .bb3{float: left;margin-left: -263px;}
.footls #buttom .b2-img3 .bb3{float: left;margin-left: -263px;}
.b1-img3{display:none;}
.b1-img1{display: block;}
.b1-img ul li img{margin-top: -227px;}
#pic{float: right;margin-top: -240px;}