body {
    padding-top: 90px; 
    padding-bottom: 70px; 
  }
  
  /* 功能 */
  .image-container {
    position: relative;
    display: inline-block;
    max-width: 100%; /* 確保圖片容器不超出畫面寬度 */
    overflow: hidden; /* 隱藏超出範圍的內容 */
  }
  
  .image-container img {
    display: block;
    border-radius: 10px;
    max-width: 100%; /* 確保圖片不超出容器寬度 */
    height: auto; /* 保持圖片比例 */
  }
  
  .image-container .overlay1,
  .image-container .overlay2 {
    position: absolute;
    z-index: -1;
    border-radius: 10px;
    max-width: 100%; /* 確保疊加層不超出容器寬度 */
  }
  
  .image-container .overlay1 {
    top: 150px;
    left: -100px;
    width: 100%;
    height: 80%;
    background-color: #7b695f;
  }
  
  .image-container .overlay1::after {
    content: "";
    position: absolute;
    top: -200px;
    left: 50px;
    width: 60%;
    height: 100%;
    border: 3px solid #fbf6f3;
    border-radius: 10px;
    z-index: -1;
    max-width: 100%; /* 確保疊加層不超出容器寬度 */
  }
  
  @media (max-width: 768px) {
    .order-md-2 {
      order: 1 !important;
    }
  
    .image-container .overlay1 {
      top: 140px;
    }
  
    .image-container .overlay1::after {
      top: -200px;
    }
  
    .col-md-6.order-md-2.d-flex.flex-column.justify-content-center.mx-auto {
      order: 2;
      margin-top: 80px;
      margin-bottom: 20px;
    }
  }
  
  .image-container .overlay2 {
    top: -50px;
    right: -30px;
    width: 100%;
    height: 65%;
    background-color: #c6c6bc;
  }
  
  @media (max-width: 768px) {
    .col-md-6.d-flex.flex-column.justify-content-center.mx-auto {
      order: 2 !important;
      margin-top: 20px;
    }
  }
  
  .row .overlay3 {
    position: absolute;
    top: -20px;
    width: calc(100% + 40px);
    height: calc(100% + 40px);
    background-color: #fbf6f3;
    z-index: -1;
    border-radius: 10px;
    max-width: 100%;
  }
  
  .extra-margin {
    margin-top: 100px;
  }
  
  @media (max-width: 768px) {
    .extra-margin {
      margin-top: 50px;
    }
  
    .col-md-6.order-md-2.d-flex.flex-column.justify-content-center.mx-auto.adjusted {
      margin-top: 50px;
    }
  
    .col-md-5.order-md-1.position-relative {
      margin-bottom: 20px;
    }
  }
  
  h2.featurette-heading {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #333;
  }
  
  p.lead {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: #555;
  }
  
  img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
  }
  
  .featurette {
    margin-bottom: 2rem;
  }
  
  .spacer {
    height: 40px;
    background-color: transparent;
  }
  
  .btn-main {
    background-color: var(--button-bg-color) !important;
    border-color: var(--button-bg-color);
    border-radius: 20px;
    padding: 5px 10px;
    text-decoration: none;
    color: #fff;
    display: inline-block;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s, border-color 0.3s;
  }
  
  
  @media (min-width: 768px) {
    h2.featurette-heading {
      font-size: 2.5rem;
    }
  
    p.lead {
      font-size: 1.5rem;
    }
  
    .featurette {
      display: flex;
      align-items: center;
    }
  
    .featurette:nth-child(odd) .col-md-7 {
      order: 2;
    }
  
    .featurette:nth-child(odd) .col-md-5 {
      order: 1;
    }
  }
  
  /* 介紹 */
  .section-bg {
    background-color: #f9f9f9; /* 柔和的背景色 */
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }
  
  .section-title {
    font-size: 1.8rem;
    font-weight: bold;
    color: #b2967d; /* 主題色 */
    margin-bottom: 15px;
  }
  
  .section-text {
    font-size: 1rem;
    line-height: 1.8; /* 提升文字間距讓內容更易讀 */
    color: #555555;
    margin-bottom: 15px;
  }
  
  .extra-margin {
    margin-top: 30px;
  }
  
  .align-items-center {
    display: flex;
    flex-wrap: wrap;
  }
  
  @media (max-width: 768px) {
    .section-bg {
      padding: 20px;
    }
  
    .section-title {
      font-size: 1.5rem;
      text-align: center;
    }
  
    .section-text {
      text-align: justify;
      font-size: 0.9rem;
    }
  }