body {
  background-color: #fff;
}
.bg-image {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: #2F79FC url(../img/login.png) no-repeat center center;
  background-size: 100% 100%;
}


.panel-login {
  top: 30%;
  left: 18px;
  right: 8px;
  bottom: 30%;
  position: absolute;
  background-color: #fff;
  z-index: 100;
  margin-left: 0;
  margin-top: 0;
  padding-left: 40px;
  border-radius: 20px;
  border: none;
  box-sizing: border-box;
}

.control-label {
  font-weight: normal;
}
.panel-login .panel-footer {
  width: 100%;
  background: transparent;
  border: none;
  margin-top: -40px;
  text-align: center;
  margin-bottom: 10px;
}

.panel-login .panel-footer a {
  line-height: 37px;
}
.field-loginform-username > div:nth-child(3),
.field-loginform-password > div:nth-child(3) {
  margin-top: 60px;
  position: absolute;
}
.panel-body > h1 {
  font-family: 微软雅黑;
  color: #000;
  text-shadow: 0px 0px 16px #ccc;
  text-align: center;
  margin: 18px auto;
}

.form-group {
  margin-bottom: 26px;
}
.form-horizontal .form-group {
  margin-left: -50px;
}
.help-block {
  text-align: right;
  margin-top: -56px;
  float: left;
  width: 100%;
}
#loginform-verifycode {
  width: 150px;
  height: 36px;
  line-height: 36px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

.field-loginform-verifycode .help-block {
  margin-top: 8px;
}

@media (min-width: 768px) {
  .panel-login {
    width: 393px;
    top: 32%;
    left: 74%;
    right: auto;
    bottom: auto;
    
    padding: 40px 0;
    padding-left: 40px;
    position: absolute;
    z-index: 100;
    margin-left: -175px;
    margin-top: -122px;
  }
  .help-block {
    margin-top: -21px;
    width: 90%;
  }
}