.main {
  width: 100%;
  height: 74vh;
  position: relative;
  overflow: hidden;
}

.main>img {
  width: 100%;
  height: 100%;
  display: block;
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: -2;
}

.main>.login_index {
  box-sizing: border-box;
  width: 100%;
  height: 100px;
  position: relative;
  top: 15%;
  left: 0;
  transform: translateY(-50%);
  z-index: 2;

}

.main>.login_index>img {
  display: block;
  width: 350px;
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
}

.main>.login_index>.login_text1 {

  width: 480px;
  display: block;
  text-align: center;
  position: absolute;
  left: 50%;
  top: 80%;
  transform: translateX(-50%);
}

.main>.login_index>.login_text1>p {
  font-size: 16px;
  line-height: 13px;
  color: #9cb5dd;
}

.main>.login_form {
  width: 538px;
  position: absolute;
  left: 50%;
  top: 23%;
  transform: translateX(-50%);
}

.main>.login_form>hr {
  height: 2px;
  background-color: #fff;
  margin: 30px 0;
}

.main>.login_form>.form>input[type=text],
input[type=password] {
  width: 100%;
  height: 45px;
  margin-bottom: 30px;
  padding-left: 40px;
  font-size: 15px;
}

.main>.login_form>.form>.yanzhengma {
  width: 538px;
  height: 90px;
  background: #fff;
}

.main>.login_form>.form>.yanzhengma>img {
  width: 100%;
  height: 100%;
}

.main>.login_form>.form>input[type=text]::placeholder,
input[type=password]::placeholder {
  color: #4364a0;
}

.main>.login_form>.form>.user {
  background-image: url('../images/用户名.png');
  background-size: 25px 25px;
  background-repeat: no-repeat;
  background-position: 10px 10px;
}

.main>.login_form>.form>.yanzheng {
  background-image: url('../images/盾牌.png');
  background-size: 25px 25px;
  background-repeat: no-repeat;
  background-position: 10px 10px;
}

.main>.login_form>.form>.password {
  background-image: url('../images/密码.png');
  background-size: 25px 25px;
  background-repeat: no-repeat;
  background-position: 10px 10px;
}

.login_index2 {
  /* height: 200px; */
  z-index: 999;
  display: flex;
  justify-content: center;
}

.login_index2 a {
  display: block;
  width: 100px;
  height: 100px;
  background: #2e5289;
  margin-top: -50px;
  border-radius: 50%;
  color: #fff;
  box-shadow: 1px 3px 10px 3px rgba(0, 0, 0, 0.3);
}

.login_index2 a>h4 {

  text-align: center;
  line-height: 100px;
  font-size: 17px;
}
.login_index2 button {
    display: block;
    width: 100px;
    height: 100px;
    background: #2e5289;
    margin-top: -50px;
    border-radius: 50%;
    color: #fff;
    box-shadow: 1px 3px 10px 3px rgba(0, 0, 0, 0.3);

    text-align: center;
    line-height: 100px;
    font-size: 17px;
}

.login_bottom {
  text-align: center;
  margin-top: 3%;
}

.login_bottom>p {
  font-size: 15px;
}

.login_bottom>h5 {
  font-size: 15px;
}

.login_bottom>h5>a {
  color: #6597d0;
  font-size: 15px;
  text-decoration: underline;
}

.login_bottom>h5>a:nth-child(2) {
  color: #1f1f1f;
}