/* 首页小屏。本文件由 media=(max-width: 980px) 引入，内部不再包 @media。 */
/* 字号层级：区块标题 > 卡片标题 > 引导语 > 正文，避免内容与标题同级。 */
body.home .section {
  width: 100%;
  max-width: none;
}

.home-section-title {
  font-size: 1.5rem;
  line-height: 2rem;
}
.home-section-desc {
  font-size: 0.875rem;
  line-height: 1.375rem;
}
.home-block-title,
.home-intro-title,
.home-scene-title,
.home-uwb-title,
.home-business-title,
.home-tech-title {
  font-size: 1.125rem;
  line-height: 1.5rem;
}
.home-follow-lead {
  font-size: 1rem;
  line-height: 1.5rem;
}
.home-intro-desc,
.home-principle-desc,
.home-follow-desc,
.home-scene-desc,
.home-uwb-desc,
.home-uwb-desc--single,
.home-business-desc,
.home-tech-desc {
  font-size: 0.875rem;
  line-height: 1.375rem;
}

.home-intro,
.home-follow,
.home-principle,
.home-scenarios,
.home-uwb,
.home-business,
.home-tech {
  padding: 2.5rem 0;
}

.home-intro-grid,
.home-scenarios-grid,
.home-uwb-grid,
.home-business-grid,
.home-tech-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.home-intro-card,
.home-intro-cover,
.home-scene-card,
.home-scene-cover,
.home-uwb-card,
.home-uwb-cover,
.home-business-card,
.home-tech-card,
.home-principle-card,
.home-follow-card {
  width: 100%;
  height: auto;
}

.home-intro-cover,
.home-scene-cover,
.home-uwb-cover {
  height: 12.5rem;
}

.home-intro-title,
.home-intro-desc,
.home-intro-btn,
.home-scene-title,
.home-scene-desc,
.home-uwb-title,
.home-uwb-desc {
  margin-left: 1.25rem;
  margin-right: 1.25rem;
  width: auto;
  max-width: none;
}
.home-intro-card:first-child .home-intro-desc,
.home-intro-card:last-child .home-intro-desc,
.home-uwb-card:first-child .home-uwb-title {
  margin-left: 1.25rem;
  margin-right: 1.25rem;
  width: auto;
}
.home-intro-title,
.home-scene-title,
.home-uwb-title {
  margin-top: 1.25rem;
}
.home-intro-btn {
  width: auto;
  height: 2.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
}
.home-scene-desc,
.home-uwb-desc {
  margin-bottom: 1.5rem;
}

.home-principle-card {
  flex-direction: column;
  height: auto;
  padding: 1.5rem;
  margin-top: 1.25rem;
}
.home-principle-text,
.home-principle-desc,
.home-principle-img {
  width: 100%;
}
.home-principle-img {
  height: auto;
  margin-top: 1.25rem;
}

.home-follow-card {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-around;
  height: auto;
  padding: 1.5rem 1.25rem 2rem;
}
.home-follow-text {
  position: static;
  width: 100%;
}
.home-follow-item,
.home-follow-item--watch,
.home-follow-item--tag,
.home-follow-item--phone {
  position: static;
  left: auto;
  top: auto;
  display: flex;
  width: auto;
  margin: 1.25rem 0.5rem 0;
}
.home-follow-item img,
.home-follow-item--watch img,
.home-follow-item--tag img,
.home-follow-item--phone img {
  width: auto;
  height: 10rem;
}
.home-follow-tag {
  width: auto;
  height: 2rem;
  padding: 0 0.75rem;
  font-size: 0.8125rem;
  line-height: 1.25rem;
}

.home-scenarios-head,
.home-uwb-head,
.home-business-head {
  width: 100%;
  padding-top: 0;
}

.home-business-card {
  height: 16rem;
}
.home-business-copy {
  left: 1.25rem;
  right: 1.25rem;
  bottom: 1.25rem;
}
.home-business-desc {
  width: auto;
}

.home-tech-card {
  padding: 1.5rem;
}
.home-tech-grid .home-tech-card:nth-child(n + 4) {
  padding-top: 1.5rem;
}
.home-tech-grid .home-tech-card:nth-child(n + 4) .home-tech-title {
  margin-top: 1.125rem;
}