.container {
    max-width: 1400px;
    width: 100%;
    padding-right: 25px;
    position: relative;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin: -10px; /* 为了保持图片的间距 */
    margin-right: auto;
    margin-left: auto
   
  }

  .column {
    width: 23%;
    margin-right: 2%;
    box-sizing: border-box;
    flex: 1; /* 默认四列 */
    margin: 10px;
  }

  .column:last-child {
    margin-right: 0;
  }

  .item {
    margin-bottom: 20px;
    overflow: hidden;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-radius: 15px;
    transition: transform 0.3s;
    position: relative;
  }

  .item:hover {
    transform: scale(1.05);
  }

  .item img {
    cursor: pointer;
    max-width: 100%;
    display: block;
    border-radius: 15px 15px 0 0;
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
  }

  .label {
    padding: 25px;
    background-color: rgba(255, 255, 255, 0.8);
    text-align: center;
  }

  .loading-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.8);
  }

  .sk-chase {
    width: 40px;
    height: 40px;
    position: relative;
    animation: sk-chase 2.5s infinite linear both;
  }

  .sk-chase-dot {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    animation: sk-chase-dot 2.0s infinite ease-in-out both;
  }

  .sk-chase-dot:before {
    content: '';
    display: block;
    width: 25%;
    height: 25%;
    background-color: #333;
    border-radius: 100%;
    animation: sk-chase-dot-before 2.0s infinite ease-in-out both;
  }

  .sk-chase-dot:nth-child(1) { animation-delay: -1.1s; }
  .sk-chase-dot:nth-child(2) { animation-delay: -1.0s; }
  .sk-chase-dot:nth-child(3) { animation-delay: -0.9s; }
  .sk-chase-dot:nth-child(4) { animation-delay: -0.8s; }
  .sk-chase-dot:nth-child(5) { animation-delay: -0.7s; }
  .sk-chase-dot:nth-child(6) { animation-delay: -0.6s; }

  @keyframes sk-chase {
    100% { transform: rotate(360deg); }
  }

  @keyframes sk-chase-dot {
    80%, 100% { transform: rotate(360deg); }
  }

  @keyframes sk-chase-dot-before {
    50% {
      transform: scale(0.4);
    }
    100%, 0% {
      transform: scale(1.0);
    }
  }

  #load-more-btn {
    position: relative;
    margin: 50px auto;
    margin-bottom: 50px;
    padding: 10px 20px;
    font-size: 16px;
    color: #fff;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    z-index: 99;
  }

  #load-more-btn:hover {
    background-color: #0056b3;
  }

  .load-more-container {
    text-align: center;
    padding: 50px; 
  }


  .footer {
      width: 100%;
      height: 20%;
      text-align: center;
      line-height: 25px;
      padding-top: 35px;
      padding-block: 20px;
      color: #fff;
  }

  .a-button {
    display: inline-block;
    padding: 10px 20px;
    font-size: 16px;
    color: #fff;
    cursor: pointer;
    background-color: #007bff;
    text-align: center;
    text-decoration: none;
    border-radius: 5px;
    border: 1px solid #007bff;
    transition: background-color 0.3s, border-color 0.3s;
}

.a-button:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}