.page-home {
  --home-sec-pad: clamp(2.75rem, 7vw, 5.5rem);
  --home-gap: clamp(1rem, 3vw, 1.75rem);
  background-color: var(--lt-ink);
  color: var(--lt-cream);
  font-family: var(--lt-font-cn);
  font-size: 1rem;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-home .home-wrap {
  width: min(var(--lt-max), calc(100% - 2 * var(--lt-gutter)));
  margin-inline: auto;
}

.page-home a:focus-visible,
.page-home .home-card:focus-visible {
  outline: 2px solid var(--lt-gold);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  padding: clamp(2.5rem, 7vw, 5rem) 0 clamp(2.75rem, 6vw, 4.5rem);
  background:
    radial-gradient(120% 90% at 86% 6%, rgba(215, 38, 61, 0.24) 0%, rgba(215, 38, 61, 0) 58%),
    linear-gradient(168deg, #1A1416 0%, #251719 52%, #1A1416 100%);
  border-bottom: 1px solid var(--lt-line);
  overflow: hidden;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(243, 233, 210, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(243, 233, 210, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-home .home-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 5vw, 3rem);
}

.page-home .home-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font-family: var(--lt-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lt-gold);
}

.page-home .home-hero__kicker::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  background-color: var(--lt-red);
  box-shadow: 0 0 0 3px rgba(215, 38, 61, 0.24);
}

.page-home .home-hero__title {
  margin: 0.85rem 0 0;
  font-size: clamp(2.4rem, 10.5vw, 5.4rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--lt-cream);
}

.page-home .home-hero__title em {
  display: block;
  font-style: normal;
  color: var(--lt-red);
}

.page-home .home-hero__lede {
  max-width: 48ch;
  margin: 1.25rem 0 0;
  font-size: clamp(1rem, 2.4vw, 1.1rem);
  color: var(--lt-text-soft);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-home .home-hero__ticks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem 1.25rem;
  margin: 2.25rem 0 0;
  padding: 1.35rem 0 0;
  padding-left: 0;
  list-style: none;
  border-top: 1px solid var(--lt-line-strong);
}

.page-home .home-hero__tick-num {
  display: block;
  font-family: var(--lt-font-mono);
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--lt-paper);
}

.page-home .home-hero__tick-num em {
  font-style: normal;
  font-size: 0.6em;
  margin-left: 0.1em;
  color: var(--lt-gold);
}

.page-home .home-hero__tick-cap {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--lt-text-soft);
}

.page-home .home-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--lt-line-strong);
  background-color: var(--lt-ink-2);
  box-shadow: 12px 12px 0 0 rgba(143, 29, 44, 0.55);
}

.page-home .home-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .home-hero__figure figcaption {
  padding: 0.7rem 1rem;
  border-top: 1px solid var(--lt-line);
  font-family: var(--lt-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--lt-gold);
}

/* ---------- 通用章节 ---------- */

.page-home .home-sec {
  padding: var(--home-sec-pad) 0;
  border-bottom: 1px solid var(--lt-line);
}

.page-home .home-sec:last-of-type {
  border-bottom: 0;
}

.page-home .home-sec__head {
  max-width: 62ch;
}

.page-home .home-sec__idx {
  margin: 0;
  font-family: var(--lt-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lt-gold);
}

.page-home .home-sec__title {
  margin: 0.6rem 0 0;
  font-size: clamp(1.55rem, 4.8vw, 2.55rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--lt-cream);
}

.page-home .home-sec__lede {
  margin: 0.9rem 0 0;
  color: var(--lt-text-soft);
}

/* ---------- 客户端面板 ---------- */

.page-home .client-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-home .client-copy__note {
  margin: 1rem 0 0;
  font-size: 0.92rem;
  color: var(--lt-text-soft);
}

.page-home .client-copy .lt-btn {
  margin-top: 1.5rem;
}

.page-home .client-panel {
  border: 1px solid var(--lt-line-strong);
  background-color: var(--lt-ink-2);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  box-shadow: var(--lt-shadow);
}

.page-home .client-panel__label {
  margin: 0 0 1rem;
  padding-left: 0.7rem;
  border-left: 3px solid var(--lt-red);
  font-family: var(--lt-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--lt-gold);
}

.page-home .client-panel__list {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .client-panel__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0.85rem;
  border-left: 2px solid var(--lt-slate);
  background-color: rgba(243, 233, 210, 0.045);
  transition: border-color 0.22s var(--lt-ease), background-color 0.22s var(--lt-ease);
}

.page-home .client-panel__list li:hover {
  border-left-color: var(--lt-red);
  background-color: rgba(215, 38, 61, 0.12);
}

.page-home .client-panel__os {
  font-family: var(--lt-font-mono);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--lt-paper);
}

.page-home .client-panel__desc {
  font-size: 0.82rem;
  text-align: right;
  color: var(--lt-text-soft);
}

.page-home .client-panel__foot {
  margin: 1.1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--lt-line-strong);
  font-family: var(--lt-font-mono);
  font-size: 0.76rem;
  line-height: 1.7;
  color: var(--lt-gold);
}

/* ---------- 横向叙事带 ---------- */

.page-home .home-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 80%;
  gap: 1rem;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0 0 0.9rem;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--lt-red-deep) transparent;
}

.page-home .home-rail > * {
  scroll-snap-align: start;
}

.page-home .home-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--lt-line);
  background-color: var(--lt-ink-2);
  padding: clamp(1.1rem, 2.6vw, 1.5rem);
  transition: transform 0.26s var(--lt-ease), border-color 0.26s var(--lt-ease),
    background-color 0.26s var(--lt-ease);
}

.page-home .home-card:hover,
.page-home .home-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--lt-red);
}

.page-home .home-card__tag {
  display: inline-block;
  margin-bottom: 0.6rem;
  font-family: var(--lt-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--lt-gold);
}

.page-home .home-card__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--lt-cream);
}

.page-home .home-card__text {
  margin: 0.6rem 0 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--lt-text-soft);
}

.page-home .home-card--media {
  padding: 0;
  overflow: hidden;
  min-height: 11rem;
}

.page-home .home-card--media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 11rem;
  object-fit: cover;
}

/* 案例带：奶油反白卡，形成页面色彩节奏 */

.page-home .home-rail--cases .home-card {
  background-color: var(--lt-cream);
  border-color: rgba(26, 20, 22, 0.18);
}

.page-home .home-rail--cases .home-card:hover,
.page-home .home-rail--cases .home-card:focus-within {
  border-color: var(--lt-red);
}

.page-home .home-rail--cases .home-card__tag {
  color: var(--lt-red-deep);
}

.page-home .home-rail--cases .home-card__title {
  color: var(--lt-ink);
}

.page-home .home-rail--cases .home-card__text {
  color: rgba(26, 20, 22, 0.78);
}

.page-home .home-rail--cases .home-card--media {
  background-color: var(--lt-ink-2);
}

/* ---------- 帮助文档 ---------- */

.page-home .guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .guide-item {
  border: 1px solid var(--lt-line);
  border-top: 2px solid var(--lt-red);
  background-image: linear-gradient(180deg, rgba(243, 233, 210, 0.055), rgba(243, 233, 210, 0));
  padding: clamp(1.1rem, 2.6vw, 1.5rem);
  transition: transform 0.26s var(--lt-ease), border-top-color 0.26s var(--lt-ease);
}

.page-home .guide-item:hover {
  transform: translateY(-3px);
  border-top-color: var(--lt-gold);
}

.page-home .guide-item__num {
  display: block;
  font-family: var(--lt-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--lt-gold);
}

.page-home .guide-item__title {
  margin: 0.6rem 0 0;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--lt-cream);
}

.page-home .guide-item__text {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  color: var(--lt-text-soft);
}

.page-home .guide-foot {
  margin: 1.5rem 0 0;
  font-size: 0.88rem;
  color: var(--lt-text-soft);
}

.page-home .guide-foot a {
  color: var(--lt-red);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(215, 38, 61, 0.5);
}

.page-home .guide-foot a:hover {
  border-bottom-color: var(--lt-red);
}

/* ---------- 覆盖范围 ---------- */

.page-home .home-facts__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-home .home-facts__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--lt-line-strong);
  background-color: var(--lt-slate);
  box-shadow: var(--lt-shadow);
}

.page-home .home-facts__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .home-facts__figure figcaption {
  padding: 0.65rem 1rem;
  border-top: 1px solid var(--lt-line);
  font-family: var(--lt-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--lt-gold);
}

.page-home .home-facts__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-facts__item {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 1rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--lt-line);
}

.page-home .home-facts__item:first-child {
  border-top: 1px solid var(--lt-line);
}

.page-home .home-facts__num {
  min-width: 4.4rem;
  font-family: var(--lt-font-mono);
  font-size: clamp(1.45rem, 4.5vw, 1.95rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--lt-red);
}

.page-home .home-facts__num em {
  font-style: normal;
  font-size: 0.62em;
  color: var(--lt-gold);
}

.page-home .home-facts__cap {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--lt-text-soft);
}

.page-home .home-facts__foot {
  margin: 1.75rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--lt-line);
  font-size: 0.9rem;
  color: var(--lt-text-soft);
}

.page-home .home-facts__foot a {
  color: var(--lt-red);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(215, 38, 61, 0.5);
}

.page-home .home-facts__foot a:hover {
  border-bottom-color: var(--lt-red);
}

/* ---------- 中等屏幕 ---------- */

@media (min-width: 640px) {
  .page-home .home-hero__ticks {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.15rem;
  }

  .page-home .home-rail {
    grid-auto-columns: 58%;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.82fr);
    align-items: center;
    gap: clamp(2.25rem, 5vw, 4.25rem);
  }

  .page-home .home-hero__figure {
    transform: translateY(1.25rem);
  }

  .page-home .client-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: start;
  }

  .page-home .home-rail {
    grid-auto-flow: row;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }

  .page-home .mobile-rail {
    grid-template-columns: 1.15fr repeat(3, minmax(0, 1fr));
  }

  .page-home .home-facts__body {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-home .home-hero {
    padding-top: 4.5rem;
  }

  .page-home .home-rail {
    gap: 1.25rem;
  }
}