.page-home {
  padding: 0;
}

.page-home .home-frame {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 18px;
}

/* ---------- 左栏：品牌与版本 ---------- */
.page-home .home-rail {
  position: relative;
  overflow: hidden;
  background: linear-gradient(168deg, var(--sky) 0%, var(--sky-lift) 24%, var(--ink) 88%);
  color: var(--white);
  padding: 30px 20px 44px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), 0 100%);
  margin-bottom: 26px;
}

.page-home .home-rail-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  mix-blend-mode: soft-light;
  pointer-events: none;
}

.page-home .home-rail-body {
  position: relative;
  z-index: 1;
}

.page-home .home-rail .eyebrow {
  color: var(--glacier);
}

.page-home .home-rail-title {
  font-size: 32px;
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 900;
  margin: 12px 0 0;
  color: var(--white);
}

.page-home .home-rail-title span {
  display: block;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 500;
  color: var(--glacier);
  margin-top: 10px;
  letter-spacing: 0;
}

.page-home .home-rail-lede {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.84);
  margin: 16px 0 0;
  max-width: 30em;
}

.page-home .home-badge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.page-home .home-badge-note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.66);
  letter-spacing: 0.02em;
}

.page-home .home-rail-tabs {
  margin-top: 22px;
}

.page-home .home-rail-tabs .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.page-home .home-rail-tabs .tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: rgba(255, 255, 255, 0.68);
  font: inherit;
  font-size: 13.5px;
  font-weight: 600;
  padding: 9px 12px 10px;
  cursor: pointer;
  margin-bottom: -1px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-home .home-rail-tabs .tab:hover {
  color: var(--white);
}

.page-home .home-rail-tabs .tab[aria-selected="true"] {
  color: var(--white);
  border-bottom-color: var(--saffron);
}

.page-home .home-rail-tabs .tab:focus-visible {
  outline: 2px solid var(--saffron);
  outline-offset: 2px;
}

.page-home .home-rail-tabs .tabpanel {
  padding: 16px 2px 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.86);
}

.page-home .home-rail-tabs .tabpanel[hidden] {
  display: none;
}

.page-home .home-rail-tabs .tabpanel p {
  margin: 0;
}

.page-home .home-flag {
  margin: 26px -20px -44px;
  line-height: 0;
}

.page-home .home-flag img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.72;
  filter: saturate(1.12);
}

/* ---------- 右栏：内容索引 ---------- */
.page-home .home-flow {
  padding-bottom: 60px;
}

.page-home .breadcrumb {
  margin: 2px 0 20px;
  color: var(--rock);
}

.page-home .home-kicker {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0 0 22px;
  padding-left: 14px;
  border-left: 2px solid var(--saffron);
}

.page-home .home-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  margin-bottom: 26px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--mist);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), 0 100%);
}

.page-home .index-chip {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 4px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.5;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-home .index-chip:last-child {
  border-bottom: 0;
}

.page-home .index-chip .index-num {
  font-size: 12px;
  color: var(--gold-deep);
  flex: none;
}

.page-home .index-chip:hover,
.page-home .index-chip.is-active {
  color: var(--sky);
}

.page-home .index-chip.is-active {
  border-bottom-color: var(--saffron);
}

.page-home .index-chip.is-active .index-num {
  color: var(--saffron);
}

.page-home .index-chip:focus-visible {
  outline: 2px solid var(--saffron);
  outline-offset: 2px;
}

/* 内容区块 */
.page-home .home-block {
  position: relative;
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--line);
}

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

.page-home .block-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-home .block-head .index-num {
  font-size: 13px;
  color: var(--saffron);
  flex: none;
  letter-spacing: 0.08em;
}

.page-home .block-head h2 {
  font-size: 22px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

.page-home .home-block p {
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-soft);
  margin: 0 0 12px;
  max-width: 38em;
}

.page-home .home-block p:last-of-type {
  margin-bottom: 0;
}

.page-home .home-figure {
  margin: 20px 0 18px;
  line-height: 0;
}

.page-home .home-figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), 0 100%);
}

.page-home .home-figure--tight {
  margin: 16px 0 14px;
}

.page-home .media-caption {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--rock);
}

.page-home .block-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* 数据指标 */
.page-home .home-metrics {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .home-metrics li {
  background: var(--white);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .metric-num {
  font-size: 26px;
  line-height: 1.1;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.page-home .metric-unit {
  font-size: 14px;
  margin-left: 3px;
  color: var(--sky);
  font-weight: 600;
  letter-spacing: 0;
}

.page-home .metric-label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--rock);
}

/* 悬停斜线轨迹 */
.page-home .home-block::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 46px;
  height: 2px;
  background: var(--sky);
  transform: translateX(-46px);
  transition: transform 0.42s var(--ease);
}

.page-home .home-block:hover::after {
  transform: translateX(0);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .home-frame {
    padding: 0 24px;
  }

  .page-home .home-index {
    grid-template-columns: 1fr 1fr;
  }

  .page-home .home-metrics {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-home .home-rail {
    padding: 36px 28px 52px;
  }

  .page-home .home-flag {
    margin: 28px -28px -52px;
  }
}

@media (min-width: 960px) {
  .page-home .home-frame {
    display: grid;
    grid-template-columns: 38% 62%;
    gap: 34px;
    padding: 0 28px;
    align-items: start;
  }

  .page-home .home-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    margin-bottom: 0;
    padding: 40px 30px 56px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 36px), 0 100%);
  }

  .page-home .home-rail-title {
    font-size: 40px;
  }

  .page-home .home-rail-title span {
    font-size: 21px;
  }

  .page-home .home-flag {
    margin: 30px -30px -56px;
  }

  .page-home .home-flow {
    padding-top: 34px;
    padding-bottom: 96px;
  }

  .page-home .home-kicker {
    font-size: 16.5px;
  }

  .page-home .block-head h2 {
    font-size: 26px;
  }

  .page-home .home-index {
    grid-template-columns: 1fr 1fr 1fr;
    padding: 18px 20px;
  }

  .page-home .index-chip {
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding: 6px 10px;
  }

  .page-home .index-chip:first-child {
    border-left: 0;
  }

  .page-home .home-block {
    padding: 34px 0 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-rail-tabs .tab,
  .page-home .index-chip,
  .page-home .home-block::after {
    transition: none;
  }

  .page-home .home-block::after {
    transform: none;
    opacity: 0.4;
  }
}