.process_bg { background-image: url(../img/process_bg.gif); background-repeat: no-repeat; background-position: left top; float: left; height: 93px; width: 720px; }
.process_img1 { width:99px; height:auto; float:left; }
.process_txt1 { width:420px; height:70px; float:left; padding-left: 150px; padding-top: 20px; line-height: 25px; background-image: url(../img/img_zixun.gif); background-repeat: no-repeat; background-position: 10px center; font-size: 14px; padding-right:50px; }
.process_txt2 { width:420px; height:70px; float:left; padding-top: 20px; line-height: 25px; background-image: url(../img/img_xuanhao.gif); background-repeat: no-repeat; background-position: 10px center; font-size: 14px; padding-left: 150px; padding-right:50px; }
.process_txt3 { width:420px; height:70px; float:left; line-height: 25px; background-image: url(../img/img_hetong.gif); background-repeat: no-repeat; background-position: 10px center; font-size: 14px; padding-top: 20px; padding-left: 150px; padding-right:50px; }
.process_txt4 { width:420px; height:70px; float:left; padding-left: 150px; padding-top: 20px; line-height: 25px; background-image: url(../img/img_fuwu.gif); background-repeat: no-repeat; background-position: 10px center; font-size: 14px; padding-right:50px; }
.process_txt5 { width:420px; height:70px; float:left; padding-left: 150px; padding-top: 20px; line-height: 25px; background-image: url(../img/img_ziliao.gif); background-repeat: no-repeat; background-position: 10px center; font-size: 14px; padding-right:50px; }
.arrow_process { background-image: url(../img/img_arrow.gif); background-repeat: no-repeat; background-position: center center; float: left; height: 45px; width: 720px; }
.process_bg2 { background-image: url(../img/process_bg4.gif); background-repeat: no-repeat; background-position: center 10px; float: left; height: 93px; width: 720px; padding-bottom:40px; }
.material_img { width:650px; float:left; }
.material_img li { margin:0px 10px; width:300px; float:left; list-style-type: none; padding-bottom:15px; }
.ring_img { width:700px; float:left; }
.ring_img li { margin:0px 10px; width:135px; float:left; list-style-type: none; padding-bottom:15px; margin:0px 12px; }