.wrapper { width: 980px; margin: 0 auto; position: relative; }
#banner {width: 100%; height: 440px; overflow: hidden; position: relative;  z-index:5;}
#banner_img { display: block; position: relative; }
#banner_img li { position: absolute; top: 0; left: 0; width: 100%; height: 440px; background-position: center; background-size: cover; display: none; }

#banner_img .ad_img { position: absolute; right: 10px; top: 80px; width: 506px; height: 404px; }
#banner_img .ad_txt { position: absolute; left: 10px; top: 90px; color: #fff; text-shadow: 1px 1px rgba(51,51,51,0.3);}
#banner_img .ad_txt h2 { font: bold 22px/60px Microsoft YaHei; }
#banner_img .ad_txt p{line-height:25px; font-size:13px;}
#banner_img .ad_txt a { display: block; width: 100px; height: 25px; line-height: 25px; text-align: center; margin-top: 10px; background: #fff; color: #618EC2; text-decoration: none; text-shadow: none; font-size:14px;}
    
#banner_ctr {position: absolute; width: 980px; height: 14px; left:50%; bottom: 15px; z-index: 1;}
#banner_ctr ul {height: 14px; font-size: 0; line-height: 0; position: relative; }
#banner_ctr li { display: block; float: left; width: 20px; height:14px; cursor: pointer; background:url(../images/serv_ico.png) center top no-repeat;}
#drag_ctr { position: absolute; top: 0px; left: 0px; width: 20px; height: 14px; bottom: 15px;}
#drag_arrow { position: absolute; top: 0px; left: 0px; width: 20px; height: 14px; background: url(../images/s_num.png) center top no-repeat; }