.page-home {
  --home-cut: 22px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4.4vw, 52px) 0 clamp(38px, 6vw, 78px);
  background:
    linear-gradient(180deg, rgba(228, 220, 200, 0.72) 0%, rgba(242, 239, 232, 0) 70%);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, var(--hairline-soft) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(90deg, var(--hairline-soft) 0 1px, transparent 1px 64px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 84%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 84%);
  pointer-events: none;
}

.page-home .home-hero .shell {
  position: relative;
  z-index: 1;
}

.page-home .hero-context {
  margin: 0 0 clamp(16px, 2.4vw, 28px);
  color: var(--scale);
}

.page-home .hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 42px);
  align-items: start;
}

.page-home .hero-title {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-weight: 250;
  letter-spacing: -0.02em;
  line-height: 0.98;
}

.page-home .hero-lede {
  max-width: 46ch;
  margin: 0;
}

.page-home .hero-figures {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 1px;
  margin: clamp(20px, 2.8vw, 32px) 0 0;
  padding: 0;
  background: var(--hairline-soft);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.page-home .figure-item {
  margin: 0;
  padding: 14px 16px;
  background: var(--paper);
}

.page-home .figure-num {
  margin: 7px 0 0;
  font-size: clamp(22px, 2.7vw, 32px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
}

.page-home .figure-item.is-alert .figure-num {
  color: var(--lava);
}

.page-home .hero-note {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--scale);
}

.page-home .hero-media {
  margin: 0;
}

.page-home .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--scale);
}

/* 临界分差面板 */
.page-home .hero-gap {
  margin-top: clamp(28px, 4.2vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 34px);
  align-items: center;
  padding: clamp(18px, 2.6vw, 30px);
  background: var(--board);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%);
}

.page-home .hero-gap-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .hero-gap-label {
  color: var(--turf);
  margin: 0 0 10px;
}

.page-home .hero-gap-title {
  margin: 0 0 12px;
}

.page-home .hero-gap-text {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.9;
}

.page-home .gap-details {
  margin-top: 16px;
  border-top: 1px solid var(--hairline);
  padding-top: 12px;
}

.page-home .gap-details summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  list-style: none;
}

.page-home .gap-details summary::-webkit-details-marker {
  display: none;
}

.page-home .gap-details summary::before {
  content: "＋ ";
  color: var(--lava);
}

.page-home .gap-details[open] summary::before {
  content: "－ ";
}

.page-home .gap-details summary:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.page-home .gap-details p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink);
  max-width: 44ch;
}

/* ---------- 主画布：窄轨 + 主区 ---------- */
.page-home .board-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 40px);
  padding-top: clamp(38px, 5.6vw, 80px);
  padding-bottom: clamp(46px, 6.6vw, 96px);
}

.page-home .rail {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-home .rail-block {
  flex: 0 0 auto;
}

.page-home .rail-title {
  margin: 0 0 10px;
  color: var(--scale);
}

.page-home .rail-rounds {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .rail-round {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  font-size: 13px;
  color: var(--scale);
  border-left: 2px solid var(--hairline);
  background: var(--board);
  white-space: nowrap;
}

.page-home .rail-round.is-current {
  background: var(--ink);
  color: var(--signal);
  border-left-color: var(--signal);
}

.page-home .rail-flag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
}

.page-home .rail-metrics {
  display: flex;
  gap: 18px;
  align-items: flex-end;
}

.page-home .rail-metric {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-left: 10px;
  border-left: 2px solid var(--turf);
}

.page-home .rail-metric-num {
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 600;
  line-height: 1;
  color: var(--turf);
}

.page-home .rail-metric-label {
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--scale);
  white-space: nowrap;
}

.page-home .block + .block {
  margin-top: clamp(46px, 6vw, 86px);
}

.page-home .block-log,
.page-home .block-timeline {
  position: relative;
  padding-top: clamp(22px, 3vw, 36px);
}

.page-home .block-log::before,
.page-home .block-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(220px, 42%);
  height: 1px;
  background: var(--grid);
  transform: skewY(-8deg);
  opacity: 0.5;
}

/* ---------- 双指标表 ---------- */
.page-home .table-scroll {
  margin-top: clamp(16px, 2vw, 24px);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .metric-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-home .metric-table th,
.page-home .metric-table td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--hairline-soft);
  white-space: nowrap;
}

.page-home .metric-table thead th {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--scale);
  border-bottom: 1px solid var(--hairline);
}

.page-home .metric-table tbody tr:hover {
  background: var(--board);
}

.page-home .metric-table tbody th {
  font-family: var(--font-mono);
  font-weight: 500;
}

.page-home .metric-link {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--turf);
  padding-bottom: 1px;
  transition: color var(--speed) ease;
}

.page-home .metric-link:hover {
  color: var(--turf);
}

.page-home .metric-link:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

/* ---------- 回顾条目 ---------- */
.page-home .log-list {
  margin: clamp(18px, 2.6vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--hairline-soft);
  border-top: 1px solid var(--hairline);
}

.page-home .log-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 14px;
  background: var(--paper);
  border-left: 3px solid transparent;
  transition: border-color var(--speed) ease, background-color var(--speed) ease;
}

.page-home .log-item:target {
  border-left-color: var(--lava);
  background: var(--board);
}

.page-home .log-code {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.page-home .log-meta {
  margin: 0;
  color: var(--scale);
}

.page-home .log-figures {
  margin: 0;
  font-size: 14px;
  color: var(--turf);
}

.page-home .log-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 九十分钟时间轴 ---------- */
.page-home .tl-svg {
  display: block;
  width: 100%;
  height: auto;
  margin: clamp(18px, 2.4vw, 30px) 0 clamp(12px, 1.6vw, 18px);
}

.page-home .tl-svg .tl-labels text {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: 0.06em;
  fill: var(--scale);
}

.page-home .timeline-list {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-home .timeline-list .tab {
  flex: 0 0 auto;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-home .seg-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(16px, 2.2vw, 24px);
}

.page-home .seg-track {
  padding: 18px 18px 20px;
  background: var(--paper);
  border-top: 3px solid var(--grid);
}

.page-home .seg-track--clip {
  border-top-color: var(--turf);
}

.page-home .seg-track--match {
  background: var(--board);
  border-top-color: var(--grid);
}

.page-home .seg-figure {
  margin: 10px 0 10px;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
}

.page-home .seg-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 栏目地图 ---------- */
.page-home .map-list {
  margin: clamp(20px, 2.8vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hairline);
}

.page-home .map-item + .map-item {
  border-top: 1px solid var(--hairline-soft);
}

.page-home .map-link {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 18px 10px;
  text-decoration: none;
  color: var(--ink);
  transition: background-color var(--speed) ease;
}

.page-home .map-link:hover {
  background: var(--board);
}

.page-home .map-link:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: -2px;
}

.page-home .map-num {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--scale);
}

.page-home .map-body {
  display: block;
}

.page-home .map-name {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-home .map-desc {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--scale);
}

.page-home .map-go {
  display: none;
  color: var(--turf);
}

.page-home .map-aside {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--scale);
}

.page-home .inline-link {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--turf);
}

.page-home .inline-link:hover {
  color: var(--turf);
}

.page-home .inline-link:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

/* ---------- 更新节奏与纠错 ---------- */
.page-home .cadence-list {
  margin: clamp(20px, 2.8vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--hairline-soft);
  border-top: 1px solid var(--hairline);
}

.page-home .cadence-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  padding: 18px 16px;
  background: var(--paper);
}

.page-home .cadence-step {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--turf);
}

.page-home .cadence-name {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
}

.page-home .cadence-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--scale);
}

.page-home .cadence-fix {
  margin-top: clamp(20px, 2.8vw, 30px);
  padding: clamp(20px, 2.8vw, 34px);
  background: var(--room);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-home .cadence-fix .index-label {
  margin: 0;
  color: var(--mist);
}

.page-home .cadence-fix-title {
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .cadence-fix-text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-home .cadence-fix-text a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid var(--signal);
  word-break: break-all;
}

.page-home .cadence-fix-text a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.page-home .cadence-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .map-link {
    grid-template-columns: 48px minmax(0, 1fr) auto;
    gap: 20px;
    padding: 20px 12px;
  }

  .page-home .map-go {
    display: block;
  }

  .page-home .log-item {
    grid-template-columns: 132px 158px minmax(0, 1fr);
    gap: 6px 20px;
    align-items: baseline;
    padding: 16px 18px;
  }

  .page-home .log-note {
    grid-column: 1 / -1;
  }

  .page-home .cadence-item {
    grid-template-columns: 74px minmax(0, 190px) minmax(0, 1fr);
    gap: 4px 20px;
    align-items: baseline;
    padding: 18px 20px;
  }
}

@media (min-width: 820px) {
  .page-home .hero-gap {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    padding: clamp(22px, 2.8vw, 34px) clamp(24px, 3vw, 42px);
  }

  .page-home .seg-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 940px) {
  .page-home .hero-inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(32px, 4vw, 66px);
  }

  .page-home .hero-media {
    transform: translate(16px, 12px);
  }
}

@media (min-width: 1000px) {
  .page-home .board-shell {
    grid-template-columns: minmax(112px, 158px) minmax(0, 1fr);
    gap: clamp(28px, 3.6vw, 58px);
  }

  .page-home .rail {
    position: sticky;
    top: 92px;
    align-self: start;
    flex-direction: column;
    gap: 24px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-home .rail-rounds {
    flex-direction: column;
    gap: 2px;
  }

  .page-home .rail-round {
    padding: 4px 0 4px 10px;
    background: transparent;
  }

  .page-home .rail-round.is-current {
    background: var(--ink);
    padding-right: 8px;
  }

  .page-home .rail-metrics {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-media {
    transform: none;
  }

  .page-home .metric-link,
  .page-home .map-link,
  .page-home .log-item {
    transition: none;
  }
}