.section {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px 20px;
      margin-top:5%;
      margin-bottom:2%;
    }

    /* 標題樣式 */
    .title {
      font-size: 60px;
      text-align: center;
      font-weight: bold;
      line-height: 1.1;
      letter-spacing: 3px;
    }
    .title span {
      display: block;
    }

    /* 文案 */
    .subtitle {
      font-size: 18px;
      margin: 20px auto 60px;
      max-width: 700px;
      line-height: 1.6;
      font-weight: normal;
      text-align: center;
    }

    /* 按鈕區 */
    .buttons {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 40px;
      margin-bottom: 60px;
    }
    .btn {
      border: 1px solid #000;
      background: #fff;
      color: #000;
      width: 180px;
      height: 50px;
      line-height: 50px;
      font-weight: bold;
      cursor: pointer;
      transition: all 0.3s ease;
      text-transform: uppercase;
    }
    .btn:hover {
      background: #000;
      color: #fff;
    }
    /* 錯位效果：奇數靠上，偶數靠下 */
    .buttons .btn:nth-child(odd) {
      transform: translateY(-20px);
    }
    .buttons .btn:nth-child(even) {
      transform: translateY(20px);
    }

    /* 商品區 */
    .products {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .product {
      position: relative;
      overflow: hidden;
    }
    .product img {
      width: 100%;
      display: block;
      transition: transform 0.4s ease;
    }
    /* hover 遮罩 */
    .overlay {
      position: absolute;
      inset: 0;
      background: rgba(0, 0, 0, 0.7);
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.4s ease;
    }
    .overlay .overlay-btn {
      border: 1px solid #fff;
      background: transparent;
      color: #fff;
      padding: 10px 24px;
      font-weight: bold;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .overlay .overlay-btn:hover {
      background: #fff;
      color: #000;
    }
    .product:hover img {
      transform: scale(1.05);
    }
    .product:hover .overlay {
      opacity: 1;
    }

    /* 商品錯位 */
    .product:nth-child(odd) {
      transform: translateY(-10px);
    }
    .product:nth-child(even) {
      transform: translateY(10px);
    }

    /* RWD */
    @media (max-width: 768px) {
      .title {
        font-size: 36px;
      }
      .products {
        grid-template-columns: repeat(2, 1fr);
      }
      .buttons {
        gap: 20px;
      }
      .buttons .btn:nth-child(odd),
      .buttons .btn:nth-child(even) {
        transform: none; /* 手機版取消錯位，避免混亂 */
      }
    }