.zi{ font-size:18px; line-height:26px;}
.zi2{ font-size:16px; line-height:26px;}
#p2a{ height:3%; width:100%; min-height:20px;}
#p1b{background: url(../images/job11.jpg) no-repeat center center;  -webkit-background-size:  cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  height: 54%;}
  #p1c{ height:36%; max-width:1400px; margin:0 auto;}
  
#p2b{background: url(../images/job12.jpg) no-repeat center center;  -webkit-background-size:  cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  height: 50%;}
#p2c{ height:40%; max-width:1400px; margin:0 auto;}

#p3b{background: url(../images/job13.jpg) no-repeat center center;  -webkit-background-size:  cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  height: 54%;}
#p3c{ height:36%; max-width:1400px; margin:0 auto;}