.page-home {
  --home-hairline: rgba(255, 255, 255, 0.16);
  --home-hairline-ink: rgba(16, 28, 23, 0.12);
  --home-gold-line: rgba(200, 162, 74, 0.5);
  --home-soft: rgba(251, 250, 245, 0.78);
  color: var(--ink);
  background: var(--sand);
}

/* ---------- 一 · 封面首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(168deg, var(--green-abyss) 0%, var(--green-deep) 46%, var(--dusk) 100%);
  color: var(--cloud);
  padding: clamp(126px, 18vw, 206px) 0 clamp(60px, 9vw, 104px);
}

.page-home .hero__art {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.page-home .hero__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 42, 32, 0.74) 0%, rgba(12, 42, 32, 0.3) 44%, rgba(27, 59, 95, 0.84) 100%);
}

.page-home .hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 76%;
  opacity: 0.4;
}

.page-home .hero__watermark {
  position: absolute;
  z-index: 1;
  top: 15%;
  right: -4%;
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(38px, 10vw, 128px);
  letter-spacing: 0.05em;
  color: rgba(200, 162, 74, 0.14);
  transform: rotate(-5deg);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.page-home .hero__shell {
  position: relative;
  z-index: 2;
}

.page-home .hero .kicker {
  color: var(--gold-soft);
}

.page-home .hero__title {
  margin: 18px 0 0;
  font-weight: 900;
  font-size: clamp(34px, 6vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  max-width: 16ch;
}

.page-home .hero__lede {
  margin: 22px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--home-soft);
}

.page-home .hero__grid {
  margin-top: clamp(38px, 6vw, 70px);
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-home .hero__count {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--home-hairline);
  padding-top: 22px;
}

.page-home .hero__count-label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-soft);
}

.page-home .hero__count-num {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(72px, 16vw, 168px);
  line-height: 0.86;
  letter-spacing: 0.01em;
  color: var(--cloud);
  padding-bottom: 10px;
  border-bottom: 3px solid var(--gold);
}

.page-home .hero__count-unit {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--home-soft);
}

.page-home .hero__notes {
  list-style: none;
  margin: 0;
  padding: 22px 0 0;
  display: grid;
  gap: 20px;
  border-top: 1px solid var(--home-hairline);
  font-size: 14px;
  line-height: 1.6;
  color: var(--home-soft);
}

.page-home .hero__notes .num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  color: var(--gold-soft);
  margin-right: 8px;
}

.page-home .hero__jump {
  margin-top: clamp(30px, 5vw, 54px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.page-home .hero__jump a {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: rgba(251, 250, 245, 0.72);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--home-gold-line);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-home .hero__jump a:hover,
.page-home .hero__jump a:focus-visible {
  color: var(--gold-soft);
  border-color: var(--gold);
}

/* ---------- 二 · 编号检索浮岛 ---------- */
.page-home .retrieval {
  background:
    radial-gradient(120% 92% at 8% 0%, rgba(46, 125, 85, 0.42) 0%, transparent 62%),
    radial-gradient(110% 84% at 94% 108%, rgba(20, 80, 58, 0.58) 0%, transparent 58%),
    var(--dusk);
  color: var(--cloud);
  padding: clamp(54px, 8vw, 92px) 0 clamp(68px, 10vw, 122px);
}

.page-home .retrieval__panel {
  border-radius: var(--radius-l);
  padding: clamp(24px, 4vw, 48px);
}

.page-home .retrieval .kicker {
  color: var(--gold-soft);
}

.page-home .retrieval .section-title {
  color: var(--cloud);
  margin-top: 14px;
}

.page-home .retrieval__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--home-soft);
}

.page-home .retrieval__axes {
  list-style: none;
  margin: clamp(30px, 5vw, 52px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--home-hairline);
}

.page-home .retrieval__axis {
  background: rgba(12, 42, 32, 0.42);
  padding: 24px 20px 28px;
}

.page-home .retrieval__axis-idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .retrieval__axis h3 {
  margin: 12px 0 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cloud);
}

.page-home .retrieval__axis p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--home-soft);
}

.page-home .retrieval__link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--home-gold-line);
  padding-bottom: 2px;
}

.page-home .retrieval__link:hover,
.page-home .retrieval__link:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

.page-home .retrieval__tip {
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--home-hairline);
  font-size: 13px;
  line-height: 1.75;
  color: rgba(251, 250, 245, 0.66);
}

/* ---------- 三 · 两段式年份轴 ---------- */
.page-home .years {
  background:
    radial-gradient(100% 70% at 88% 0%, rgba(46, 125, 85, 0.3) 0%, transparent 60%),
    var(--green-abyss);
  color: var(--cloud);
  padding: clamp(66px, 9vw, 120px) 0 clamp(72px, 10vw, 132px);
}

.page-home .years__head {
  max-width: 70ch;
}

.page-home .years .kicker {
  color: var(--gold-soft);
}

.page-home .years .section-title {
  color: var(--cloud);
  margin-top: 14px;
}

.page-home .years__note {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.9;
  color: rgba(251, 250, 245, 0.6);
}

.page-home .years__figure {
  margin: clamp(32px, 5vw, 56px) 0 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  background: linear-gradient(120deg, var(--green-deep), var(--dusk));
}

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

.page-home .year-axis {
  margin-top: clamp(30px, 5vw, 52px);
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--home-gold-line);
}

.page-home .year-axis__item {
  position: relative;
  display: block;
  padding: 24px 18px 4px 0;
  text-decoration: none;
  color: var(--cloud);
  border-bottom: 1px solid var(--home-hairline);
  transition: color 0.2s ease;
}

.page-home .year-axis__item::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 10px;
  height: 10px;
  background: var(--copper);
  border-radius: 1px;
}

.page-home .year-axis__range {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-home .year-axis__dash {
  margin: 0 6px;
  color: var(--gold);
}

.page-home .year-axis__item em {
  display: block;
  margin-top: 8px;
  font-style: normal;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold-soft);
}

.page-home .year-axis__item:hover,
.page-home .year-axis__item:focus-visible {
  color: var(--gold-soft);
}

.page-home .segments {
  margin-top: clamp(30px, 5vw, 48px);
  display: grid;
  gap: 20px;
}

.page-home .segment {
  padding: clamp(22px, 3.4vw, 32px);
  border-radius: var(--radius-m);
  border-left: 3px solid var(--copper);
  background: rgba(251, 250, 245, 0.06);
}

.page-home .segment--new {
  border-left-color: var(--gold);
}

.page-home .segment__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-soft);
}

.page-home .segment__count {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(46px, 9vw, 76px);
  font-weight: 600;
  line-height: 0.92;
  color: var(--cloud);
}

.page-home .segment__unit {
  margin: 8px 0 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: rgba(251, 250, 245, 0.6);
}

.page-home .segment__fields {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--home-hairline);
  display: grid;
  gap: 12px;
}

.page-home .segment__fields dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold-soft);
}

.page-home .segment__fields dd {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--home-soft);
}

/* ---------- 四 · 三轴图例与站点地图 ---------- */
.page-home .atlas {
  background: var(--sand);
  padding: clamp(66px, 9vw, 122px) 0 clamp(70px, 10vw, 126px);
}

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

.page-home .atlas .section-title {
  margin-top: 14px;
}

.page-home .axis-legend {
  margin-top: clamp(32px, 5vw, 54px);
  display: grid;
  gap: 18px;
}

.page-home .axis-legend__item {
  padding: 24px 20px 26px;
  background: var(--cloud);
  border-radius: var(--radius-m);
  position: relative;
}

.page-home .axis-legend__bar {
  display: block;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--green-meadow);
}

.page-home .axis-legend__item--year .axis-legend__bar {
  background: var(--dusk-light);
}

.page-home .axis-legend__item--scene .axis-legend__bar {
  background: var(--gold);
}

.page-home .axis-legend__item h3 {
  margin: 18px 0 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-home .axis-legend__item p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-home .scene-demo {
  margin-top: clamp(38px, 6vw, 66px);
}

.page-home .scene-demo__head {
  max-width: 60ch;
}

.page-home .scene-demo__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-home .scene-demo__note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .scene-demo__body {
  margin-top: 22px;
}

.page-home .filter-bar {
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .filter-count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  align-self: center;
}

.page-home .scene-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--home-hairline-ink);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-home .scene-row {
  display: grid;
  gap: 8px;
  padding: 20px 20px 22px;
  background: var(--cloud);
}

.page-home .scene-row__cycle {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-home .scene-row__cycle .num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  color: var(--green-deep);
  margin-right: 4px;
}

.page-home .scene-row__desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .scene-demo__figure {
  margin: 26px 0 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  background: linear-gradient(90deg, var(--green-meadow), var(--dusk-light) 55%, var(--gold));
}

.page-home .scene-demo__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  mix-blend-mode: luminosity;
  opacity: 0.9;
}

.page-home .atlas__lower {
  margin-top: clamp(46px, 7vw, 86px);
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-home .delivery {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 3.4vw, 32px);
  border-radius: var(--radius-l);
  background: var(--cloud);
  border-top: 3px solid var(--dusk);
}

.page-home .delivery__figure {
  margin: 0;
  border-radius: var(--radius-s);
  overflow: hidden;
  background: linear-gradient(150deg, var(--dusk), var(--dusk-light));
}

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

.page-home .delivery__body h3 {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 25px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.4;
}

.page-home .delivery__body h3 .num {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--dusk);
}

.page-home .delivery__body p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-home .delivery__split {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--home-hairline-ink);
  display: grid;
  gap: 10px;
}

.page-home .delivery__split dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-home .delivery__split dd {
  margin: 2px 0 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-home .delivery__split .num {
  font-family: var(--font-mono);
  color: var(--green-deep);
}

.page-home .delivery__note {
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .delivery .btn {
  margin-top: 18px;
}

.page-home .map__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-home .map__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--home-hairline-ink);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-home .map__list li {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  background: var(--sand);
  transition: background 0.2s ease;
}

.page-home .map__list li:hover {
  background: var(--cloud);
}

.page-home .map__list a {
  font-size: 15px;
  font-weight: 600;
  color: var(--green-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-home .map__list a:hover,
.page-home .map__list a:focus-visible {
  border-color: var(--gold);
}

.page-home .map__list span {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 五 · 数据口径与落款 ---------- */
.page-home .ledger-note {
  background:
    radial-gradient(90% 70% at 12% 0%, rgba(46, 125, 85, 0.32) 0%, transparent 60%),
    var(--green-abyss);
  color: var(--cloud);
  padding: clamp(62px, 9vw, 116px) 0 clamp(52px, 7vw, 84px);
}

.page-home .ledger-note__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-home .ledger-note .kicker {
  color: var(--gold-soft);
}

.page-home .ledger-note .section-title {
  color: var(--cloud);
  margin-top: 14px;
}

.page-home .ledger-note__text {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--home-soft);
}

.page-home .ledger-note .btn {
  margin-top: 26px;
}

.page-home .ledger-note__list {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--home-hairline);
}

.page-home .ledger-note__row {
  background: rgba(12, 42, 32, 0.5);
  padding: 18px 18px 20px;
}

.page-home .ledger-note__row dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-soft);
}

.page-home .ledger-note__row dd {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--cloud);
}

.page-home .ledger-note__foot {
  margin-top: clamp(36px, 5vw, 60px);
  padding-top: 24px;
  border-top: 1px solid var(--home-hairline);
  display: grid;
  gap: 10px;
}

.page-home .ledger-note__contact {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(251, 250, 245, 0.7);
  word-break: break-word;
}

.page-home .ledger-note__stamp {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(200, 162, 74, 0.72);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .retrieval__axes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .scene-row {
    grid-template-columns: 96px 150px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-home .scene-row__desc {
    text-align: left;
  }
}

@media (min-width: 860px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(240px, 0.6fr);
    align-items: end;
  }

  .page-home .hero__notes {
    gap: 24px;
  }

  .page-home .year-axis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .year-axis__item {
    padding-right: 32px;
    border-bottom: 0;
  }

  .page-home .year-axis__item + .year-axis__item {
    padding-left: 32px;
    border-left: 1px dashed rgba(200, 162, 74, 0.28);
  }

  .page-home .segments {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-home .segment--new {
    margin-top: 40px;
  }

  .page-home .axis-legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .atlas__lower {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .delivery {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
    gap: 28px;
  }

  .page-home .ledger-note__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(36px, 5vw, 64px);
  }

  .page-home .ledger-note__foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 24px;
  }
}

@media (min-width: 1100px) {
  .page-home .hero__watermark {
    top: 12%;
    right: 4%;
  }

  .page-home .retrieval__axis {
    padding: 28px 26px 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__jump a,
  .page-home .retrieval__link,
  .page-home .year-axis__item,
  .page-home .map__list li {
    transition: none;
  }
}