.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: transparent;
    z-index: 9999;
    transition: opacity 0.65s;
  }

  .preloader-hidden-add {
    opacity: 1;
    display: block;
  }

  .preloader-hidden-add-active {
    opacity: 0;
  }

  .preloader-hidden {
    display: none;
  }

  .cs-loader {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
  }

  .cs-loader-inner {
    transform: translateY(-50%);
    top: 50%;
    position: absolute;
    width: 100%;
    color: #1890ff;
    text-align: center;
  }

  .cs-loader-inner label {
    font-size: 20px;
    opacity: 0;
    display: inline-block;
  }

  @keyframes lol {
    0% {
      opacity: 0;
      transform: translateX(-300px);
    }

    33% {
      opacity: 1;
      transform: translateX(0);
    }

    66% {
      opacity: 1;
      transform: translateX(0);
    }

    100% {
      opacity: 0;
      transform: translateX(300px);
    }
  }

  .cs-loader-inner label:nth-child(6) {
    animation: lol 3s infinite ease-in-out;
  }

  .cs-loader-inner label:nth-child(5) {
    animation: lol 3s 0.1s infinite ease-in-out;
  }

  .cs-loader-inner label:nth-child(4) {
    animation: lol 3s 0.2s infinite ease-in-out;
  }

  .cs-loader-inner label:nth-child(3) {
    animation: lol 3s 0.3s infinite ease-in-out;
  }

  .cs-loader-inner label:nth-child(2) {
    animation: lol 3s 0.4s infinite ease-in-out;
  }

  .cs-loader-inner label:nth-child(1) {
    animation: lol 3s 0.5s infinite ease-in-out;
  }

  .loader {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 30px 0;
}

/* 旋转圆环加载动画 */
.spinner {
    width: 70px;
    height: 70px;
    border: 5px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1.2s cubic-bezier(0.5, 0.1, 0.4, 0.9) infinite;
    position: relative;
}

.spinner::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 5px solid transparent;
    border-radius: 50%;
    border-top-color: #ff9a00;
    opacity: 0.7;
    animation: spin 1.6s cubic-bezier(0.5, 0.1, 0.4, 0.9) infinite;
}

.spinner::after {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 5px solid transparent;
    border-radius: 50%;
    border-top-color: #ff6a00;
    opacity: 0.4;
    animation: spin 2s cubic-bezier(0.5, 0.1, 0.4, 0.9) infinite;
}

.loader {
  width: 60px;
  height: 60px;
  margin: 100px auto;
  position: relative;
}
 
.loader::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #3498db;
  animation: spin 1s linear infinite;
  position: absolute;
}
 
.loader::after {
  content: '';
  display: block;
  width: 20px;
  height: 20px;
  background: #3498db;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
 
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

body.loading {
  cursor: progress;
  /* 其他加载动画样式 */
}