.pop { width: 768px; min-height: 530px; max-height: 750px;  height:470px;position:fixed;  top: 0;  left: 0;  bottom: 0;  right: 0;  margin: auto;  padding: 25px;  z-index: 130; box-shadow: 0 3px 18px rgba(100, 0, 0, .5); background-image:url(images/biaoti.jpg); z-index:99999}
.pop iframe{ width:100%; height:100%; border:0}
.pop .pop-close{ width:70px; height:35px; border:#fff 1px solid; background-color:#0e629e; color:#FFF; font-size:16px; border-radius:3px;padding:0px;margin:0px; font-weight:bold;cursor:pointer; display:block; line-height:35px; text-align:center; position: absolute;left: 87%;top: 4%; z-index:999999; }

#box_3{ position: fixed; left: 50%;top: 45%;transform: translate(-50%,-50%);z-index:99999999;background: #fff;width: 340px;border-radius: 10px;padding: 0 20px 20px; text-align:center; padding:40px;   background: url(../picture/bg_close.jpg) no-repeat;background-size: 100% 100%;}
#box_3 h2{color: #333;font-size: 30px;margin-bottom:30px; margin-top: 20px; text-align: center; font-weight:500;text-shadow:2px 2px 0px #fff}
#box_3 p{color: #333;font-size: 20px; margin-bottom: 15px;text-align: left;text-shadow:2px 2px 0px #fff}
#box_3 input{color: #333;font-size: 20px; margin-bottom: 15px;text-align: left;}
#box_3 span{color: #333;font-size: 20px; margin-bottom: 15px;text-align: left;text-shadow:2px 2px 0px #fff}
#xueli{ width: 305px; outline: none;height: 40px;margin: 6px 0;font-size: 18px;color: #333; border: 1px solid #989292;margin-bottom: 20px;}
#box_3 button{width: 240px; height:40px;font-size: 18px;color: #333; border: 1px solid #989292;margin-top:10px; background-color:#FFF; border-radius:5px; cursor: pointer;}
.mask {position: fixed;width: 100%;height: 100%;background-color: rgba(0,0,0,.8);z-index: 9999999;top: 0;left: 0;display: none;}
#box_3 .close1 img {position: absolute;cursor: pointer;width: 50px;height: 50px;right: 3px;top: 3px;}