.page-home {
  --home-edge: 1px solid var(--ink-500);
  --home-pad: clamp(16px, 2.2vw, 32px);
  display: block;
}

.page-home .section {
  padding-block: var(--sp-6);
}

/* ---------- 上下文条 ---------- */
.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--sp-2) var(--sp-5);
  padding-block: var(--sp-5) var(--sp-4);
  border-bottom: var(--home-edge);
}

.page-home .home-context__alt {
  color: var(--gold-500);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  padding-block: var(--sp-5) var(--sp-6);
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  border: var(--home-edge);
}

.page-home .home-hero__narrative {
  padding: var(--home-pad);
  border-bottom: var(--home-edge);
}

.page-home .home-hero__title {
  margin-top: var(--sp-4);
  font-size: clamp(38px, 6vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--text-hi);
}

.page-home .home-hero__code {
  font-family: var(--font-mono);
  color: var(--neon-cyan);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.page-home .home-hero__lead {
  margin-top: var(--sp-4);
  max-width: 42ch;
  color: var(--text-body);
}

.page-home .home-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: var(--sp-5);
  border-top: var(--home-edge);
}

.page-home .home-stats__item {
  padding-block: var(--sp-3);
  border-bottom: var(--home-edge);
}

.page-home .home-stats__item:nth-child(odd) {
  padding-right: var(--sp-3);
}

.page-home .home-stats__item:nth-child(even) {
  padding-left: var(--sp-3);
  border-left: var(--home-edge);
}

.page-home .home-stats__num {
  margin-top: var(--sp-1);
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.1;
  color: var(--text-hi);
  font-variant-numeric: tabular-nums;
}

.page-home .home-stats__suffix {
  margin-left: 6px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-400);
}

.page-home .home-hero__visual {
  position: relative;
  padding: var(--home-pad);
  background: linear-gradient(180deg, var(--ink-700) 0%, var(--ink-900) 100%);
  overflow: hidden;
}

.page-home .home-trace {
  display: block;
  width: 100%;
  height: clamp(200px, 42vw, 320px);
  background: var(--ink-900);
  border: var(--home-edge);
}

.page-home .home-hero__caption {
  margin-top: var(--sp-3);
  color: var(--slate-400);
  line-height: 1.7;
}

/* ---------- 通用小节头 ---------- */
.page-home .home-sec-head {
  display: grid;
  gap: var(--sp-2);
  max-width: 64ch;
  margin-bottom: var(--sp-5);
}

.page-home .home-sec-head .heading {
  margin: 0;
  color: var(--text-hi);
}

.page-home .home-sec-head__note {
  margin: 0;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 三项指标 ---------- */
.page-home .home-metrics__grid {
  display: grid;
  grid-template-columns: 1fr;
  border: var(--home-edge);
}

.page-home .home-metric {
  padding: var(--home-pad);
  background: var(--ink-700);
  border-bottom: var(--home-edge);
}

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

.page-home .home-metric__name {
  margin-top: var(--sp-2);
  color: var(--text-hi);
}

.page-home .home-metric__value {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-top: var(--sp-4);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
  color: var(--neon-cyan);
}

.page-home .home-metric__unit {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-400);
}

.page-home .home-metric__desc {
  margin-top: var(--sp-4);
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-body);
}

.page-home .home-metric__note {
  margin-top: var(--sp-3);
  padding-top: var(--sp-3);
  border-top: var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--slate-400);
}

.page-home .home-metrics__figure {
  margin: var(--sp-5) 0 0;
  border: var(--home-edge);
}

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

.page-home .home-metrics__figure figcaption {
  padding: var(--sp-3) var(--home-pad);
  border-top: var(--home-edge);
  color: var(--slate-400);
}

/* ---------- 月度焦点 ---------- */
.page-home .home-focus__grid {
  display: grid;
  grid-template-columns: 1fr;
  border: var(--home-edge);
}

.page-home .home-focus__figure {
  margin: 0;
  background: var(--card-black);
}

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

.page-home .home-focus__caption {
  padding: var(--sp-3) var(--home-pad);
  border-top: var(--home-edge);
  color: var(--slate-400);
}

.page-home .home-focus__panel {
  padding: var(--home-pad);
  background: var(--paper-100);
  color: var(--card-black);
  border-top: var(--home-edge);
}

.page-home .home-focus__kicker {
  color: var(--paper-ink);
}

.page-home .home-focus__title {
  margin: var(--sp-3) 0 0;
  color: var(--card-black);
}

.page-home .home-focus__text {
  margin-top: var(--sp-4);
  font-size: 15px;
  line-height: 1.85;
  color: var(--card-black);
}

.page-home .home-focus__panel .btn {
  margin-top: var(--sp-5);
}

/* ---------- 横向并列带 ---------- */
.page-home .home-band__rail {
  border-top: var(--home-edge);
  border-bottom: var(--home-edge);
  background: var(--ink-700);
}

.page-home .home-band__item {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  min-width: 220px;
  padding: var(--sp-4) var(--sp-4) var(--sp-5);
  border-right: var(--home-edge);
  background: var(--ink-700);
}

.page-home .home-band__item--lead {
  min-width: min(320px, 78vw);
  background: var(--ink-900);
}

.page-home .home-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-2);
  padding: 0;
  list-style: none;
}

.page-home .home-band__code {
  font-size: clamp(22px, 3vw, 30px);
  color: var(--gold-500);
  letter-spacing: 0.02em;
}

.page-home .home-band__meta {
  margin: 0;
  font-size: 13px;
  color: var(--slate-400);
}

.page-home .home-band__figure {
  margin: var(--sp-5) 0 0;
  border: var(--home-edge);
}

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

.page-home .home-band__figure figcaption {
  padding: var(--sp-3) var(--home-pad);
  border-top: var(--home-edge);
  color: var(--slate-400);
}

/* ---------- 档案时间轴 ---------- */
.page-home .home-timeline__rail {
  position: relative;
  border-top: var(--home-edge);
  border-bottom: var(--home-edge);
  overflow: hidden;
}

.page-home .home-timeline__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  pointer-events: none;
  z-index: 0;
}

.page-home .home-timeline__rail .band {
  position: relative;
  z-index: 1;
}

.page-home .home-node {
  position: relative;
  min-width: min(280px, 76vw);
  padding: var(--sp-6) var(--sp-4) var(--sp-5);
  border-right: var(--home-edge);
  background: transparent;
}

.page-home .home-node::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 44px;
  height: 1px;
  background: var(--gold-500);
  opacity: 0.7;
}

.page-home .home-node__dot {
  position: absolute;
  left: var(--sp-4);
  top: 40px;
  width: 8px;
  height: 8px;
  background: var(--amber-line);
}

.page-home .home-node__year {
  position: relative;
  z-index: 1;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--amber-line);
}

.page-home .home-node__name {
  margin-top: var(--sp-5);
  color: var(--text-hi);
}

.page-home .home-node__text {
  margin-top: var(--sp-3);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-body);
}

/* ---------- 四向分流 ---------- */
.page-home .home-bento {
  border: var(--home-edge);
}

.page-home .home-route {
  display: flex;
  flex-direction: column;
  padding: var(--home-pad);
  background: var(--ink-700);
  transition: background-color var(--dur) var(--ease);
}

.page-home .home-route .title-md {
  margin-top: var(--sp-3);
  color: var(--text-hi);
}

.page-home .home-route__text {
  margin-top: var(--sp-3);
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-body);
}

.page-home .home-route .text-link {
  margin-top: var(--sp-4);
  align-self: flex-start;
}

.page-home .home-route__hint {
  margin-top: var(--sp-3);
  padding-top: var(--sp-2);
  border-top: var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate-400);
  opacity: 0;
  transform: translateY(2px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .home-route:hover,
.page-home .home-route:focus-within {
  outline: 1px solid var(--neon-cyan);
  outline-offset: -1px;
}

.page-home .home-route:hover .home-route__hint,
.page-home .home-route:focus-within .home-route__hint {
  opacity: 1;
  transform: none;
}

/* ---------- 页尾口径 ---------- */
.page-home .home-foot {
  border-top: var(--home-edge);
  background: var(--ink-700);
  padding-block: var(--sp-5);
}

.page-home .home-foot__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--sp-3) var(--sp-5);
  justify-content: space-between;
}

.page-home .home-foot__note {
  margin: 0;
  max-width: 68ch;
  font-size: 13px;
  line-height: 1.9;
  color: var(--slate-400);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-home .home-metrics__grid {
    grid-template-columns: 1.45fr 1fr 0.85fr;
  }

  .page-home .home-metric {
    border-bottom: 0;
    border-right: var(--home-edge);
  }

  .page-home .home-metric:last-child {
    border-right: 0;
  }
}

@media (min-width: 900px) {
  .page-home .section {
    padding-block: var(--sp-7);
  }

  .page-home .home-hero__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-home .home-hero__narrative {
    border-bottom: 0;
    border-right: var(--home-edge);
  }

  .page-home .home-focus__grid {
    grid-template-columns: 8fr 4fr;
  }

  .page-home .home-focus__panel {
    border-top: 0;
    border-left: var(--home-edge);
  }

  .page-home .home-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .home-stats__item:nth-child(n) {
    padding-inline: var(--sp-3);
  }

  .page-home .home-stats__item:first-child {
    padding-left: 0;
  }

  .page-home .home-stats__item {
    border-left: var(--home-edge);
  }

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

  .page-home .home-hero__visual {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-home .home-trace {
    margin-right: calc(var(--home-pad) * -1);
    margin-left: -8px;
    width: calc(100% + var(--home-pad) + 8px);
  }
}

@media (max-width: 560px) {
  .page-home .home-stats__item:nth-child(even) {
    padding-left: var(--sp-3);
  }

  .page-home .home-band__item,
  .page-home .home-node {
    min-width: 78vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-route,
  .page-home .home-route__hint {
    transition: none;
  }

  .page-home .home-route__hint {
    opacity: 1;
    transform: none;
  }
}