.w-355{width:355px;_width:354px;}
.title-news{background-position:0 0;}
.title-product{background-position:0 -50px;}
.title-case{background-position:0 -100px;}

<!-- 思拓动态 -->
.ie6 .news .txt-list-a{margin-top:9px;}
.ie7 .news .txt-list-a{margin-top:9px;}
.ie8 .news .txt-list-a{margin-top:8px;}
.ie9 .news .txt-list-a{margin-top:8px;}

<!-- 产品特色 --> 
.product{background-color:#fff;}
.product li{padding:10px 0px 0px 0px;}
.product .num-ico{ color:#fff; text-align:center;font-size:27px;font-weight:bold;font-family: Arial, Helvetica, sans-serif;padding-top:15px;float:left;width:60px;height:50px;display:block;margin-right:10px;background: url(images/num-bg.png) no-repeat 0 0;}
.product .num-two{background-position:0 -78px;}
.product .num-three{background-position:0 -155px;}