.page-home {
  --home-shadow: rgba(8, 19, 31, .62);
  display: block;
}

.page-home img {
  max-width: 100%;
  height: auto;
}

/* ── 页面上下文条 ── */
.page-home .home-context {
  border-bottom: 1px solid var(--line-dark);
  padding: 18px 0 14px;
  background: var(--ink-950);
}

.page-home .home-context .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--text-dim);
}

.page-home .home-context .crumb-sep {
  color: var(--ember-500);
}

/* ── 首屏 ── */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(38px, 6vw, 86px) 0 clamp(44px, 6vw, 82px);
  background:
    radial-gradient(120% 88% at 88% 6%, rgba(53, 224, 210, .10), transparent 58%),
    radial-gradient(92% 72% at 4% 94%, rgba(242, 169, 75, .09), transparent 62%),
    var(--ink-950);
}

.page-home .home-hero-grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
}

.page-home .home-kicker {
  display: block;
  width: 100%;
  padding-bottom: 12px;
  margin: 0 0 22px;
  color: var(--ember-500);
  border-bottom: 1px solid var(--line-dark);
}

.page-home .home-title {
  margin: 0 0 20px;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(31px, 5.4vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--cream-50);
  max-width: 17ch;
}

.page-home .home-lede {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(243, 236, 224, .78);
}

.page-home .home-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.page-home .home-hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(12px, 2vw, 26px);
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid var(--line-dark);
}

.page-home .home-hero-facts dt {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--text-dim);
}

.page-home .home-hero-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(19px, 2.4vw, 27px);
  letter-spacing: .04em;
  color: var(--cream-50);
}

.page-home .home-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-dark-strong);
  border-radius: var(--r-md);
  background: var(--ink-900);
}

.page-home .home-frame-img {
  display: block;
  width: 100%;
  aspect-ratio: 6 / 7;
  object-fit: cover;
}

.page-home .home-frame-caption {
  padding: 12px 16px;
  border-top: 1px solid var(--line-dark);
  background: var(--ink-900);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-home .home-scale {
  margin-top: 18px;
  padding: 12px 14px;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-sm);
  background: rgba(20, 48, 74, .40);
}

.page-home .home-scale svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ── 章节外壳 ── */
.page-home .home-chapter {
  padding: clamp(48px, 7vw, 96px) 0;
  border-top: 1px solid var(--line-dark);
}

.page-home .home-chapter--paperish {
  background:
    linear-gradient(180deg, rgba(11, 27, 43, .9), rgba(8, 19, 31, .96)),
    var(--ink-900);
}

.page-home .chapter-num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.6vw, 54px);
  letter-spacing: .02em;
  color: rgba(243, 236, 224, .2);
  transition: color 240ms var(--ease);
}

.page-home .chapter.is-inview .chapter-num {
  color: var(--ember-500);
}

.page-home .chapter-head {
  margin-bottom: clamp(26px, 4vw, 46px);
}

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

.page-home .home-more {
  margin: 24px 0 0;
  font-size: 14px;
}

.page-home .home-more .link-plain {
  color: var(--cream-50);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-600);
  padding-bottom: 2px;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-home .home-more .link-plain:hover,
.page-home .home-more .link-plain:focus-visible {
  color: var(--amber-400);
  border-bottom-color: var(--amber-400);
}

/* ── 转场图 ── */
.page-home .home-strip {
  margin: 0 0 clamp(26px, 4vw, 40px);
  overflow: hidden;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-md);
  background: var(--ink-900);
}

.page-home .home-strip img {
  display: block;
  width: 100%;
  aspect-ratio: 40 / 13;
  object-fit: cover;
}

.page-home .home-strip-caption {
  padding: 12px 16px;
  border-top: 1px solid var(--line-dark);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* ── 时间轴 ── */
.page-home .home-timeline {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-home .tl-node {
  padding: clamp(20px, 3vw, 30px);
  background: var(--ink-950);
  transition: background 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-home .tl-node:hover,
.page-home .tl-node:focus-within {
  background: var(--ink-800);
  box-shadow: inset 0 0 0 1px var(--cyan-700);
}

.page-home .tl-time {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(18px, 2.3vw, 25px);
  letter-spacing: .06em;
  color: var(--cream-50);
}

.page-home .tl-name {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--cyan-400);
}

.page-home .tl-scope {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ── 口径入口 ── */
.page-home .home-texture {
  margin: 0 0 clamp(26px, 4vw, 40px);
  overflow: hidden;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-md);
}

.page-home .home-texture img {
  display: block;
  width: 100%;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.page-home .home-entries {
  list-style: none;
  display: grid;
  gap: clamp(18px, 2.6vw, 26px);
  margin: 0 0 clamp(30px, 4vw, 48px);
  padding: 0;
}

.page-home .entry {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--cream-50);
  color: var(--brown-900);
  border: 1px solid var(--line-print);
  border-radius: var(--r-md);
  box-shadow: 4px 4px 0 var(--home-shadow);
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-home .entry:hover,
.page-home .entry:focus-within {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--home-shadow);
}

.page-home .entry-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--ember-500);
}

.page-home .entry-title {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 500;
  line-height: 1.3;
  color: var(--brown-900);
}

.page-home .entry-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--brown-500);
}

.page-home .entry-data {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-print);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .03em;
  line-height: 1.7;
  color: var(--brown-900);
}

.page-home .entry-link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  font-size: 14px;
  color: var(--brown-900);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-600);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-home .entry-link:hover,
.page-home .entry-link:focus-visible {
  color: var(--ember-500);
  border-bottom-color: var(--ember-500);
}

/* ── 两条线切换 ── */
.page-home .line-switch {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  background: var(--cream-50);
  border: 1px solid var(--line-print);
  border-radius: var(--r-md);
  box-shadow: 4px 4px 0 var(--home-shadow);
}

.page-home .switch-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-home .switch-legend {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--brown-500);
}

.page-home .switch-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-home .switch-tab {
  cursor: pointer;
  padding: 8px 16px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--brown-500);
  background: var(--cream-100);
  border: 1px solid var(--line-print);
  border-radius: var(--r-sm);
  transition: color 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home #home-line-credit:checked ~ .switch-tabs .switch-tab[for="home-line-credit"],
.page-home #home-line-term:checked ~ .switch-tabs .switch-tab[for="home-line-term"] {
  color: var(--cream-50);
  background: var(--brown-900);
  border-color: var(--brown-900);
}

.page-home #home-line-credit:focus-visible ~ .switch-tabs .switch-tab[for="home-line-credit"],
.page-home #home-line-term:focus-visible ~ .switch-tabs .switch-tab[for="home-line-term"] {
  outline: 2px solid var(--cyan-700);
  outline-offset: 2px;
}

.page-home .switch-panel {
  display: none;
}

.page-home #home-line-credit:checked ~ .switch-panels .panel-credit,
.page-home #home-line-term:checked ~ .switch-panels .panel-term {
  display: block;
}

.page-home .panel-grid {
  display: grid;
  gap: 16px 30px;
}

.page-home .panel-grid p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--brown-900);
}

/* ── 横向数据带 ── */
.page-home .home-bandwrap {
  position: relative;
  margin-top: 4px;
}

.page-home .home-band {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  padding: 6px var(--gut) 24px;
  scrollbar-width: thin;
  scrollbar-color: var(--cyan-700) transparent;
}

.page-home .home-band:focus-visible {
  outline: 2px solid var(--cyan-700);
  outline-offset: -4px;
}

.page-home .home-band::-webkit-scrollbar {
  height: 6px;
}

.page-home .home-band::-webkit-scrollbar-thumb {
  background: var(--cyan-700);
  border-radius: 3px;
}

.page-home .gauge-cell {
  flex: 0 0 76vw;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 20px 24px;
  scroll-snap-align: start;
  background: var(--ink-900);
  border: 1px solid var(--line-dark);
  border-radius: var(--r-md);
  transition: border-color 180ms var(--ease), transform 160ms var(--ease);
}

.page-home .gauge-cell:hover,
.page-home .gauge-cell:focus-within {
  border-color: var(--line-dark-strong);
  transform: translateY(-2px);
}

.page-home .gauge-key {
  margin: 0;
}

.page-home .gauge-val {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(25px, 3.6vw, 38px);
  letter-spacing: .06em;
  line-height: 1.1;
  color: var(--cream-50);
}

.page-home .gauge-cell.is-cyan .gauge-val {
  color: var(--cyan-400);
}

.page-home .gauge-cell.is-amber .gauge-val {
  color: var(--amber-400);
}

.page-home .gauge-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-home .home-ruler {
  margin: clamp(28px, 4vw, 44px) 0 0;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-md);
  background: var(--ink-900);
}

.page-home .home-ruler img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .home-ruler .media-caption {
  padding: 12px 16px;
  border-top: 1px solid var(--line-dark);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* ── 更新节奏 ── */
.page-home .home-rhythm {
  display: grid;
  border-top: 1px solid var(--line-dark);
}

.page-home .rhythm-item {
  padding: 22px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-home .rhythm-when {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ember-500);
}

.page-home .rhythm-what {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--cream-50);
}

.page-home .rhythm-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-home .home-delta {
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(22px, 3vw, 34px);
  background: var(--cream-50);
  border: 1px solid var(--line-print);
  border-radius: var(--r-md);
  box-shadow: 4px 4px 0 var(--home-shadow);
}

.page-home .home-delta h3 {
  margin: 0 0 20px;
  font-size: 18px;
  font-weight: 500;
  color: var(--brown-900);
}

.page-home .delta-list {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
}

.page-home .delta-list li {
  display: grid;
  gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line-print);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--brown-900);
}

.page-home .delta-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .delta-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ember-500);
}

.page-home .home-delta .home-more .link-plain {
  color: var(--brown-900);
  border-bottom-color: var(--amber-600);
}

.page-home .home-delta .home-more .link-plain:hover,
.page-home .home-delta .home-more .link-plain:focus-visible {
  color: var(--ember-500);
  border-bottom-color: var(--ember-500);
}

.page-home .home-tail {
  margin: clamp(26px, 4vw, 40px) 0 0;
  max-width: 68ch;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ── 断点 ── */
@media (min-width: 640px) {
  .page-home .home-entries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-home .home-rhythm {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }

  .page-home .delta-list li {
    grid-template-columns: 118px minmax(0, 1fr);
    align-items: baseline;
    gap: 4px 16px;
  }
}

@media (min-width: 700px) {
  .page-home .home-timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .gauge-cell {
    flex: 0 0 32%;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-home .home-hero-visual {
    padding-top: 8px;
  }

  .page-home .chapter-head {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: clamp(20px, 3vw, 40px);
    align-items: baseline;
  }

  .page-home .chapter-head .chapter-title {
    grid-column: 2;
  }

  .page-home .chapter-head .chapter-note {
    grid-column: 2;
    margin-top: 12px;
  }

  .page-home .home-entries > .entry:nth-child(even) {
    margin-top: 34px;
  }
}

@media (min-width: 1100px) {
  .page-home .gauge-cell {
    flex: 0 0 30%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}