html {
  font-size: 16px;
  background-image: linear-gradient(#5aa5e0, #fff 20%, #fff 70%, #5aa5e0);
  position: relative;
}
body {
  background: url(../images/bg.png) center bottom no-repeat;
  
 
}
.top_tit {
  margin-bottom: 1rem;
  font-size: 2.5rem;
  font-weight: bold;
  text-shadow: 2px 2px 1px #fff, 2px 2px 3px #aaa;
  color: #2a5196;
  text-align: center;
}
.top_tit span {
  display: inline-block;
  padding-top: 1rem;
}
.zjwh {
  display: flex;
  justify-content: center;
  align-items: center;
  color: #5a7ab3;
  margin-bottom: 1rem;
}
.zjwh .line {
  height: 1px;
  background-color: #5a7ab3;
  flex: 1 0;
}
.zjwh p {
  margin: 0 1rem;
  font-size: 1rem;
}
.tips {
  margin-bottom: 2rem;
  color: #f00;
  line-height: 2em;
}
.tips .blue {
  color: #0056ff;
}
.tips h3 {
  margin-bottom: 1rem;
  font-size: 1.6rem;
  font-weight: bold;
}
.tips table {
  margin-left: 4rem;
}
.form-frame {
  padding: 1rem 2rem;
  border: 1px solid #8bb8dc;
  box-shadow: 2px 2px 5px #eee;
  border-radius: 0.2rem;
  background-image: linear-gradient(#bbdbf4, #fff 20%, #fff 80%, #bbdbf4);
}
.form-frame h3 {
  margin-bottom: 1rem;
  font-size: 1.6rem;
  color: #4571be;
  text-align: center;
  font-weight: bold;
  text-shadow: 2px 2px 1px #fff;
}
.form-frame label {
  font-size: 14px;
}
.form-frame .post-btn {
  display: block;
  margin: 0 auto;
}
.has-feedback label ~ .form-control-feedback {
  top: 18px;
}

.big_mask{
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  position: absolute;
  left: 0;
  top: 0;
  z-index: 999;
}
.my_mask{
  padding: 3%;
  background-color: #fff;
  border:1px solid #ccc;
  position:absolute;
  font-size: 1.6rem;
  line-height: 2em;
  color:#181818;
  border-radius: 0.8rem;
  -webkit-border-radius: 0.8rem;
  -moz-border-radius: 0.8rem;
  -ms-border-radius: 0.8rem;
  -o-border-radius: 0.8rem;
}
.my_mask img{
  width: 100%;
}
.close_btn{
  width: 50%;
  margin:2% auto
}
.my_close_btn{
  position: absolute;
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
  background-color: #d9534f;
  color: #fff;
  text-align: center;
  line-height: 3.2rem;
  right: -0.8rem;
  top: -0.8rem;
  cursor: pointer;
}


body.modal-open {
  overflow-y: auto !important;
  padding-right: 0 !important;
}
@media screen and (max-width: 1920px) {
  html {
    font-size: 14px;
    padding-top: 4rem;
  }
  body{
    height: 100%;
  }
  .tips {
    font-size: 1rem;
  }
  .my_mask{
    width: 50%;
    left: 25%;
    top: 7%;
  }
}
@media screen and (max-width: 800px) {
  html {
    font-size: 10px;
  }
  body{
    height: 100%;
  }
  .my_mask{
    width: 80%;
    left: 10%;
    top: 20%;
  }

}
@media screen and (max-width: 480px) {
  html {
    font-size: 8px;
  }
  body{
    height: 100%;
  }
  .tips {
    font-size: 1.6rem;
  }
  .my_mask{
    width: 90%;
    left: 5%;
    top: 20%;
  }
}
@media screen and (max-width: 375px) {
  html {
    font-size: 8px;
    padding-top: 1rem;
  }
  .tips {
    font-size: 1.6rem;
  }
  body{
    height: 106%;
  }
  .my_mask{
    width: 90%;
    left: 5%;
    top: 20%;
  }
}

@media screen and (max-width: 320px) {
  html {
    font-size: 8px;
    padding-top: 1rem;
  }
  .tips {
    font-size: 1.4rem;
  }
  body{
    height: 130%;
  }
  .my_mask{
    width: 90%;
    left: 5%;
    top: 20%;
  }

}