@media (max-width: 768px) {

  html, body {
    overflow-x: hidden !important;
  }

  /* 顶部只做轻微收紧 */
  header,
  .header,
  .rd-navbar,
  .rd-navbar-wrap,
  .rd-navbar-static,
  .rd-navbar-fixed {
    min-height: 72px !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .rd-navbar-panel,
  .rd-navbar-inner {
    min-height: 72px !important;
  }

  .rd-navbar-toggle,
  .navbar-toggle,
  .menu-toggle {
    width: 64px !important;
    height: 64px !important;
  }

  .rd-navbar-brand,
  .navbar-brand,
  .logo,
  .site-branding {
    padding: 6px 10px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .rd-navbar-brand img,
  .navbar-brand img,
  .logo img,
  .site-branding img {
    max-height: 32px !important;
    max-width: 130px !important;
    width: auto !important;
    height: auto !important;
  }

  /* 只修首屏标题 */
  h1:first-of-type {
    font-size: 42px !important;
    line-height: 1.06 !important;
    letter-spacing: 0 !important;
    text-align: center !important;
    max-width: 94% !important;
    margin: 16px auto 14px !important;
    padding: 0 14px !important;
  }

  /* 只修首屏下面那段介绍文案 */
  h1:first-of-type + p {
    width: auto !important;
    max-width: 92% !important;
    margin: 0 auto 20px !important;
    padding: 0 !important;
    font-size: 16px !important;
    line-height: 1.68 !important;
    text-align: center !important;
    word-break: normal !important;
  }

  /* 首屏区块留白稍微收一下 */
  section:first-of-type,
  .section:first-of-type {
    padding-top: 18px !important;
    padding-bottom: 18px !important;
  }

  /* 只让首屏下方第一张大图正常铺开一点 */
  section:first-of-type img,
  .section:first-of-type img {
    max-width: 100% !important;
    height: auto !important;
  }
}