.content{width: 1000px;background-color: #D6E9EF;}
.content p{line-height: 24px;}

.img3,.img4,.img6,.img11{height: 35px;}
.img7,.img8,.img9,.img10{width: 180px;height: 135px;}
.img1{background: url(lytc.gif) no-repeat;height: 300px;}
.img2{height: 35px;}
.img3{background: url(dht1.jpg) no-repeat;}
.img4{background: url(dht2.jpg) no-repeat;}
.img5{background: url(lytc_map.jpg) no-repeat;width: 350px; height: 306px;}
.img6{background: url(dht4.jpg) no-repeat;}
.img7{background: url(pz1.jpg) no-repeat;}
.img8{background: url(pz2.jpg) no-repeat;}
.img9{background: url(pz3.jpg) no-repeat;}
.img10{background: url(pz4.jpg) no-repeat;}
.img11{background: url(dht3.jpg) no-repeat;}




.middle{margin: 0 auto;}
.left{float: left;}
.p10{padding: 10px;}
.m10{margin: 10px;}
.pb10{padding-bottom: 10px;}
.ml56{margin-left: 56px;}
.mt10{margin-top: 5px;}
.mt20{margin-top: 20px;}
.mt80{margin-top: 80px;}
.w690{width: 690px;}
.w520{width: 520px;}
.ti2{text-indent: 2em;}