.center-box {
  width: 425px;
  height: 450px;
  display: flex;
  flex-direction: column;
  border: 1px solid rebeccapurple;
  padding: 20px;
  background-color: white;
  border-radius: 10px;
}

.logtab {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 23px;
  margin-bottom: 20px;
}

.logtab span {
  cursor: pointer;
  padding: 10px;
  margin: 0 5px;
}

.logtab .separator {
  padding: 0;
  margin: 0;
  color: #999;
  /* 给分隔符一个颜色 */
  cursor: default;
  /* 分隔符不应有指针 */
}

.logtab .active {
  color: #4fa5d9;
  font-weight: bold;
}

/* 输入表单 */
.form-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

input {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border: 1px solid #ccc;
  border-radius: 5px;
}

.login {
  flex: 1;
  padding: 10px;
  margin-top: 10px;
  background-color: #4fa5d9;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.register {
  flex: 1;
  padding: 10px;
  margin-top: 10px;
  border: 1px solid black;
  background-color: #ffffff;
  color: white;
  border-radius: 5px;
  cursor: pointer;
  color: black;
}

.registerOrlogin {
  padding: 10px;
  background-color: #4fa5d9;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  width: 200px;
}

.form-group {
  background-color: white;
  border-radius: 10px;
  border: 1px solid #ddd;
}

.input-row {
  display: flex;
  white-space: nowrap;
  align-items: center;
  padding: 15px 15px;
  border-bottom: 1px solid #eee;
  font-size: 16px;
}

.form-group > .input-row:last-of-type {
  border-bottom: none;
}

.input-field {
  width: 320px;
  padding: 0;
  margin: 0;
  border: none;
  outline: none;
  background: none;
  font-size: 16px;
  color: #333;
}

.input-field-wrap {
  margin-left: 10px;
}

#LoginverifyCodeGet {
  border-left: 1px solid #ccc;
  padding-left: 1px;
  color: #4fa5d9;
}

#LoginverifyCodeGet:hover {
  cursor: pointer;
}

#LoginverifyCodeGet:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

#emailInput {
  width: 255px;
  margin-left: 10px;
}

#form1 {
  display: flex;
  gap: 20px;
  margin-top: 25px;
}

#form2 {
  display: none;
  align-items: center;
  justify-content: center;
  margin-top: 35px;
}

#closeBtn {
  position: relative;
  width: 16px;
  height: 16px;
  left: 99%;
  top: -10px;
}

#closeBtn:hover {
  cursor: pointer;
}

#overlayLogin{
    position: fixed;
    inset: 0;                         
    background: rgba(0, 0, 0, 0.5);  
    z-index: 9998;                   
    backdrop-filter: blur(2px);
    display: none;
}

/* 手机端响应式设计 */
@media (max-width: 768px) {
  .center-box {
    width: 90%;
    max-width: 380px;
    height: auto;
    min-height: 400px;
    padding: 15px;
  }

  .logtab {
    font-size: 20px;
    margin-bottom: 15px;
  }

  .logtab span {
    padding: 8px;
  }

  .input-row {
    padding: 12px 10px;
    font-size: 14px;
  }

  .input-field {
    width: 100%;
    font-size: 14px;
  }

  #emailInput {
    width: 100%;
    margin-left: 8px;
  }

  input {
    padding: 8px;
    margin: 8px 0;
    font-size: 14px;
  }

  .login, .register, .registerOrlogin {
    padding: 8px;
    font-size: 14px;
  }

  .registerOrlogin {
    width: 100%;
    max-width: 200px;
  }

  #form1 {
    gap: 10px;
    margin-top: 20px;
    flex-direction: column;
  }

  #form2 {
    margin-top: 25px;
  }

  #closeBtn {
    width: 14px;
    height: 14px;
  }
}

/* 小屏手机优化 */
@media (max-width: 480px) {
  .center-box {
    width: 95%;
    max-width: 340px;
    padding: 12px;
  }

  .logtab {
    font-size: 18px;
  }

  .input-row {
    padding: 10px 8px;
    font-size: 13px;
  }

  .input-field {
    font-size: 13px;
  }

  #emailInput {
    margin-left: 5px;
  }
}