.aboutback{background:url(../images/message.jpg)/*tpa=http://www.shrksy.com/upLoad/product/month_1608/2016081908563575.jpg*/ center no-repeat;}
.newsback{background:url(../images/message.jpg)/*tpa=http://www.shrksy.com/upLoad/product/month_1608/201608161430311331.jpg*/ center no-repeat;}
.yingyongback{background:url(../images/message.jpg)/*tpa=http://www.shrksy.com/upLoad/product/month_1608/201608161430311331.jpg*/ center no-repeat;}
.fuwugback{background:url(../images/201608181326554573.jpg)/*tpa=http://www.shrksy.com/upLoad/product/month_1608/201608161430311331.jpg*/ center no-repeat;}
.zhanluegback{background:url(../images/201608190917126041.jpg)/*tpa=http://www.shrksy.com/upLoad/product/month_1608/201608161430311331.jpg*/ center no-repeat;}
.lianxigback{background:url(../images/message.jpg)/*tpa=http://www.shrksy.com/upLoad/product/month_1608/201608161430311331.jpg*/ center no-repeat;}
.productback{background:url(../images/message.jpg)/*tpa=http://www.shrksy.com/upLoad/product/month_1608/201608161430311331.jpg*/ center no-repeat;}
.contact{background:url(../images/contact.jpg)/*tpa=http://www.shrksy.com/upLoad/product/month_1608/201608161430311331.jpg*/ center no-repeat;}
.about-bg {
    background: url(../images/contact.png) center no-repeat;
    background-attachment: fixed;
}
.wb-about-num {
    background: url(../images/contactbg.jpg) center no-repeat;
  
}