/* 授权码验证模态框样式 */
    .auth-modal {
      position: fixed;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0px;
      background-color: rgba(0, 0, 0, 0.5);
      display: flex;
      justify-content: center;
      align-items: center;
      z-index: 1000;
      transition: opacity 0.3s ease;
    }

    .auth-modal.hidden {
      display: none;
    }

    .auth-modal__content {
      background: white;
      border-radius: 15px;
      width: 90%;
      max-width: 450px;
      max-height: 90vh;
      /* overflow-y: auto; */
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
      animation: modalSlideIn 0.3s ease-out;
    }

    @keyframes modalSlideIn {
      from {
        opacity: 0;
        transform: translateY(-20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .auth-modal__header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1.5rem;
      border-bottom: 1px solid #eaeaea;
    }

    .auth-modal__header h3 {
      margin: 0;
      color: #333;
      font-size: 1.3rem;
      font-weight: 600;
    }

    .auth-modal__close {
      background: none;
      border: none;
      font-size: 1.8rem;
      color: #999;
      cursor: pointer;
      padding: 0;
      width: 30px;
      height: 30px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      transition: all 0.2s ease;
    }

    .auth-modal__close:hover {
      background-color: #f5f5f5;
      color: #333;
    }

    .auth-modal__body {
      padding: .8rem 1.5rem;
      text-align: center;
    }

    .auth-icon {
      font-size: 2.4rem;
      margin-bottom: .5rem;
    }

    .auth-description {
      color: #555;
      margin-bottom: .8rem;
      font-size: 1rem;
    }

    .platform-section {
      margin-bottom: .8rem;
    }

    .platform-title {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      color: #333;
      margin-bottom: 1rem;
      font-weight: 500;
    }

    .platform-buttons {
      display: flex;
      gap: 1rem;
      justify-content: center;
      flex-wrap: wrap;
    }

    .platform-btn {
      width: 180px;
      background: #f8f9fa;
      border: 1px solid #e9ecef;
      border-radius: 8px;
      padding: 0.8rem 1.5rem;
      cursor: pointer;
      transition: all 0.3s ease;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      text-decoration: none;
      color: #333;
    }

    .platform-btn:hover {
      background: #e9ecef;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .platform-logo {
      font-size: 1rem;
      color: #333;
    }

    .input-section {
      margin-bottom: 1.5rem;
    }

    .auth-input {
      width: 100%;
      padding: 0.8rem 1rem;
      border: 2px solid #e9ecef;
      border-radius: 8px;
      font-size: 1rem;
      margin-bottom: 1rem;
      transition: all 0.3s ease;
      box-sizing: border-box;
    }

    .auth-input:focus {
      outline: none;
      border-color: #6a11cb;
      box-shadow: 0 0 0 3px rgba(106, 17, 203, 0.1);
    }

    .auth-input.error {
      border-color: #e74c3c;
      box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
    }

    .verify-btn {
      width: 100%;
      padding: 0.8rem;
      background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
      color: white;
      border: none;
      border-radius: 8px;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      display: flex;
      justify-content: center;
    }

    .verify-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(106, 17, 203, 0.3);
    }

    .verify-btn:active {
      transform: translateY(0);
    }

    .error-message {
      color: #e74c3c;
      margin-bottom: 1rem;
      font-size: 0.9rem;
      min-height: 1.2rem;
      display: none;
    }

    .valid-codes-hint {
      color: #666;
      font-size: 0.8rem;
      opacity: 0.7;
    }

    /* 移动端适配 */
    @media (max-width: 480px) {
      .auth-modal__content {
        width: 95%;
        margin: 1rem;
      }
      
      .auth-modal__header,
      .auth-modal__body {
        padding: 1.2rem 1rem;
      }
      
      .platform-buttons {
        /* flex-direction: column; */
        gap: 0.8rem;
      }
      
      .platform-btn {
        /* width: 100%; */
        justify-content: center;
      }
    }

    .action-buttons {
      display: flex;
      gap: 1rem;
      justify-content: center;
      margin-top: 2rem;
      flex-wrap: wrap;
    }


    .yanzheng-box{
      display: flex;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-color: #fff;
      align-items: center;
      justify-content: center;
      background-color: #ebffeb;
    }
    .yanzheng{
      /* background-color: #ebffeb; */
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0px 0px 15px rgba(0,0,0,0.1);
      padding-top: 0px;
    }
    .yanzheng-title{
      padding: 20px 0;
      font-size: 20px;
      color: #73ec73;
      font-weight: 600;
    }
    .yanzhengma{
      display: block;
      height: 40px;
      width: 100%;
      border: 1px solid #eee;
      border-radius: 5px;
      padding: 0px 10px;
      box-shadow: none;
      box-sizing: border-box;
      outline: none;
    }
    #btn{
      width: 100%;
      padding: 7px 0;
      text-align: center;
      background-color: #9eef9e;
      margin-top: 15px;
      border-radius: 50px;
      color: #fff;
      cursor: pointer;
      border: 1px solid #73ec73;
      
    }
    #btn:active{
      background-color: #73ec73;
    }
    .yanzheng-tips{
      font-size: 12px;
      color: #777;
      margin-top: 5px;
    }
    .yanzheng-tips a{
      color: blue;
    }

    /* 查看是否有为完成的题目 */
    .no-check-title{
      font-size: 16px;
      margin-bottom: 10px;
      font-weight: bold;
    }
    .no-check-box{
      display: flex;
      gap: 5px;
      flex-wrap: wrap;
      margin-bottom: 15px;
    }
    .no-check-box.close{
      display: none;
    }
    .no-check-item{
      font-size: 10px;
      border: 1px solid #aaa;
      border-radius: 5px;
      cursor: pointer;
      min-width: 25px;
      height: 26px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
    }
    
    .no-check-item.active{
      display: flex;
      background-color: #3fe33f;
      color: #fff;
      border-color: #3fe33f;
    }
    .no-check-item.hover{
      border: 2px solid #2b6cf7;
    }

    .noCheck-open-close{
      margin-left:30px;
      color: #2575fc;
      font-size: 14px;
      cursor: pointer;
    }
.common-tips-box{
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 999999;
  max-width: 350px;
}
.common-tips-content{
  background-color: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-size: 14px;
  border-radius: 8px;
  padding: 8px 15px;
  box-shadow: 0px 0px 10px rgba(0,0,0,0.2);
}
.common-confirm-box{
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.2);
  z-index: 999999;
}
.common-confirm-content-box{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 999999;
  max-width: 350px;
  width: 85%;
  background: #fff;
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0px 0px 20px rgba(0,0,0,0.3);
}
.common-confirm-title{
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  color: #000;
}
.common-confirm-content{
  text-align: center;
  padding: 15px 20px;
  font-size: 14px;
  line-height: 22px;
  color: #444;
}
.common-confirm-btns{
  display: flex;
  justify-content: space-between;
  gap: 30px;
  margin-top: 20px;
}
.common-confirm-btn{
  padding: 10px;
  flex: 1;
  text-align: center;
  cursor: pointer;
}
.common-confirm-btn.cancel{
  color: #888;
  border: 1px solid #888;
  background-color: #ffffff;
  border-radius: 50px;
}
.common-confirm-btn.sure{
  color: #fff;
  border: 1px solid #f3268e;
  background-color: #f3268e;
  border-radius: 50px;
}
.common-confirm-btn.sure:hover{
  background-color: #cd0066;
}

.common-loading-box{
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 999999;
  max-width: 350px;
  background: rgba(255, 255, 255, 0.5);
  padding: 3px 10px;
  border-radius: 5px;
}
.common-loading-content{
  display: flex;
  justify-content: center;
  align-items: center;
}
.common-loading-text{
  color: #fd3397;
}