* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Noto Sans TC', sans-serif;
    }
    body {
      background-color: #fff;
      color: #333;
    }

    /* ====== 導覽列 ====== */
    .link {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 20px;
      background-color: #000;
    }
    #logo {
      font-size: 24px;
      color: #fff;
      text-decoration: none;
    }
    nav {
      display: flex;
      gap: 12px;
    }
    nav a {
      color: #fff;
      text-decoration: none;
      padding: 8px 12px;
      border-radius: 4px;
      transition: background-color 0.3s;
    }
    nav a:hover {
      background-color: #444;
    }
    .menu_btn {
      display: none;
      font-size: 16px;
      background-color: #333;
      color: #fff;
      padding: 10px 15px;
      border: none;
      border-radius: 4px;
      cursor: pointer;
    }

    /* ====== Banner ====== */
    .banner img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* ====== 內容容器 ====== */
    .wrap {
      max-width: 1200px;
      margin: auto;
      padding: 20px;
    }

    h2 {
      text-align: center;
      font-size: 32px;
      margin-bottom: 20px;
    }

    /* ====== 商品分類 ccc ====== */
    .ccc nav {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      background-color: #000;
    }
    .ccc nav a {
      color: #fff;
      text-decoration: none;
      padding: 10px 20px;
      transition: background-color 0.3s;
    }
    .ccc nav a:hover {
      background-color: #444;
    }
    #bag {
      background-color: blue;
    }

    /* ====== 單一產品介紹 ====== */
    .product-detail {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      align-items: center;
      margin-top: 20px;
    }
    .product-detail img {
      flex: 1 1 400px;
      max-width: 500px;
      border-radius: 8px;
    }
    .product-info {
      flex: 1 1 400px;
    }
    .product-info h3 {
      font-size: 28px;
      margin-bottom: 15px;
    }
    .product-info p {
      font-size: 16px;
      line-height: 1.6;
      margin-bottom: 10px;
    }
        /* 分頁導覽列 */
    .pagination {
      text-align: center;
      margin-top: 30px;
    }

    .pagination a {
      display: inline-block;
      margin: 0 5px;
      padding: 8px 12px;
      background-color: #eee;
      color: #333;
      text-decoration: none;
      border-radius: 4px;
    }

    .pagination a.active,
    .pagination a:hover {
      background-color: #333;
      color: #fff;
    }

    /* ====== 聯絡我們 ====== */
    .contact {
      background-color: #f9f9f9;
      padding: 40px 20px;
      text-align: center;
      margin-top: 40px;
      border-radius: 8px;
    }
    .contact h2 {
      font-size: 28px;
      margin-bottom: 20px;
    }
    .contact p {
      font-size: 16px;
      margin: 5px 0;
    }
    .contact .qrcode {
      margin-top: 20px;
    }
    .contact .qrcode img {
      width: 160px;
      height: 160px;
    }

    /* ====== 頁尾 ====== */
    .footer {
      text-align: center;
      background-color: #000;
      color: #aaa;
      padding: 20px;
      font-size: 14px;
      margin-top: 40px;
    }

    /* ====== 響應式手機版 ====== */
    @media (max-width: 768px) {
      .link {
        flex-direction: column;
        align-items: flex-start;
      }
      .menu_btn {
        display: block;
        margin-top: 10px;
      }
      .link nav {
        display: none;
        flex-direction: column;
        width: 100%;
        margin-top: 10px;
        background-color: #111;
        border-radius: 4px;
      }
      .link nav.show {
        display: flex;
      }
      .link nav a {
        padding: 12px;
        border-bottom: 1px solid #333;
        width: 100%;
      }
  .product-detail {
    flex-direction: column;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;   /* 防止內容溢出 */
  }

  .product-detail > * {
    width: 100%;
    box-sizing: border-box;
    max-width: 100%;    /* 防止圖片或文字撐破 */
  }

  /* 如果 product-detail 裡有圖片，加這段 */
  .product-detail img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;

  }
    }