@media screen and (max-width: 767px) {
  /* 1. Hero 容器改为垂直布局，居中对齐 */
  .hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem 0;
  }

  /* 2. 图片全宽自适应 */
  .hero__image img {
    width: 100%;
    height: auto;
  }

  /* 3. 文本区域全宽并居中 */
  .hero__content {
    width: 100%;
    text-align: center;
    padding: 0 1rem;
  }

  /* 4. 调整字体与按钮大小 */
  .hero__content h1 {
    font-size: 1.5rem;
    line-height: 1.2;
  }

  .hero__content p {
    font-size: 1rem;
    margin-top: 0.5rem;
  }

  .md-button {
    display: block;
    width: auto;
    margin: 0.75rem auto;
    padding: 0.6em 1.2em;
    font-size: 0.65rem;
  }
}

@media screen and (max-width: 767px) and (orientation: portrait) {
  /* 移动端竖屏隐藏石蒜组件 */
  .hero__widget {
    display: none !important;
  }

  .about {
    display: none !important;
  }

  /* 1. Hero 容器相对定位，背景铺满全屏 */
  .hero {
    min-height: 100vh;
    overflow: hidden;
    background-image: url("../images/aliya.jpg");
    background-size: cover;
    background-position: 25% bottom;
    background-repeat: no-repeat;
    z-index: 0;
  }

  /* 改用背景图方案，隐藏原 img，防止加载失败空白 */
  .hero__image,
  .hero__image img {
    display: none !important;
  }

  /* 3. 覆盖内容层，垂直水平居中 */
  .hero__content {
    position: relative;
    z-index: 1;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 1rem;
  }

  /* 4. 隐藏段落，仅保留标题和按钮 */
  .hero__content p {
    display: none !important;
  }

  /* 5. 标题与按钮样式 */
  .hero__content h1 {
    margin-bottom: 17rem;
  }

  .md-button.scroll-fade {
    margin: 0.5rem;
    display: inline-block;
  }
}