.page-home {
  --home-gold-line: rgba(201, 162, 39, 0.34);
  --home-soft-line: rgba(154, 168, 163, 0.22);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-home .home-hero {
  position: relative;
  padding: clamp(2rem, 5vw, 4.2rem) 0 clamp(2.4rem, 5vw, 4.6rem);
  background:
    radial-gradient(120% 80% at 88% 4%, rgba(57, 217, 199, 0.1), transparent 58%),
    radial-gradient(90% 70% at 6% 96%, rgba(201, 162, 39, 0.08), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.8rem, 4vw, 3rem);
  align-items: center;
}

.page-home .home-hero__narr {
  position: relative;
  min-width: 0;
}

.page-home .home-hero__title {
  margin: 0.5rem 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2.2rem, 7.4vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--paper);
  text-wrap: balance;
}

.page-home .home-hero__lede {
  margin: 1.15rem 0 0;
  max-width: 46ch;
  font-size: clamp(0.95rem, 1.4vw, 1.06rem);
  line-height: 1.8;
  color: var(--muted);
}

.page-home .home-hero__dots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.page-home .home-hero__dots li {
  padding: 0.28rem 0.66rem;
  border: 1px solid var(--home-gold-line);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--gold-soft);
}

.page-home .home-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.7rem;
}

.page-home .home-visual {
  margin: 0;
  min-width: 0;
}

.page-home .home-visual__frame {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--home-gold-line);
  background: var(--ink-deep);
  box-shadow: var(--shadow-md);
}

.page-home .home-visual__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 6 / 7;
  object-fit: cover;
  opacity: 0.7;
  filter: saturate(0.85) contrast(1.05);
}

.page-home .home-visual__mesh {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(201, 162, 39, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 162, 39, 0.16) 1px, transparent 1px);
  background-size: 44px 44px;
  mix-blend-mode: screen;
}

.page-home .home-visual__beads {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  grid-template-columns: repeat(4, 0.62rem);
  gap: 0.42rem;
}

.page-home .home-visual__beads i {
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0.5;
}

.page-home .home-visual__beads i:nth-child(3n) {
  background: var(--gold);
  opacity: 0.82;
}

.page-home .home-visual__beads i:nth-child(5n) {
  background: var(--amber);
  opacity: 0.7;
}

.page-home .home-visual__cap {
  display: block;
  margin-top: 0.7rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* 五条主线 */
.page-home .home-lines {
  background: var(--ink);
  border-top: 1px solid var(--home-soft-line);
}

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

.page-home .home-lines__note {
  margin: 0.85rem 0 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .home-lines__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.05rem;
  margin-top: 1.8rem;
}

.page-home .home-line {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.15rem 1.2rem 1.25rem;
  border: 2px solid var(--home-gold-line);
  background: linear-gradient(180deg, rgba(10, 35, 31, 0.94), rgba(6, 26, 23, 0.96));
  box-shadow: var(--shadow-lg);
  color: var(--paper);
  text-decoration: none;
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .home-line:hover,
.page-home .home-line:focus-visible {
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: var(--shadow-md);
}

.page-home .home-line__thumb {
  display: block;
  margin: -0.15rem 0 0.45rem;
  overflow: hidden;
  border: 1px solid var(--home-soft-line);
}

.page-home .home-line__thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  opacity: 0.78;
}

.page-home .home-line__no {
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-home .home-line__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.32rem;
  letter-spacing: -0.01em;
}

.page-home .home-line__desc {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .home-line__meta {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--home-soft-line);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--gold-soft);
}

/* 版本时间轴 */
.page-home .home-timeline {
  border-top: 1px solid var(--home-soft-line);
}

.page-home .home-tl {
  list-style: none;
  margin: 1.8rem 0 0;
  padding: 2.2rem 0 0.3rem;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(178px, 1fr);
  border-top: 2px solid var(--home-gold-line);
  overflow-x: auto;
  overscroll-behavior-x: contain;
}

.page-home .home-tl__node {
  position: relative;
  padding: 0 1.2rem 0 1.05rem;
  border-left: 1px solid var(--home-soft-line);
}

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

.page-home .home-tl__node::before {
  content: "";
  position: absolute;
  top: -2.26rem;
  left: -4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

.page-home .home-tl__node:first-child::before {
  left: 0;
}

.page-home .home-tl__year {
  display: block;
  font-size: 1.25rem;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-home .home-tl__ver {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gold-soft);
}

.page-home .home-tl__desc {
  margin: 0.6rem 0 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--muted);
}

/* 统计摘要（浅色阅读区） */
.page-home .home-stats {
  background: var(--paper);
  color: var(--graphite);
}

.page-home .home-stats .section__title {
  color: var(--ink);
}

.page-home .home-stats__note {
  margin: 0.85rem 0 0;
  max-width: 58ch;
  font-size: 0.94rem;
  line-height: 1.78;
  color: #3C4640;
}

.page-home .home-stats__cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: 1.7rem;
}

.page-home .home-stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.2rem 1.15rem 1.3rem;
  border: 2px solid var(--gold);
  background: rgba(11, 43, 38, 0.04);
  box-shadow: var(--shadow-lg);
}

.page-home .home-stat__num {
  font-size: clamp(2.1rem, 5vw, 2.9rem);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}

.page-home .home-stat__unit {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .home-stat__label {
  margin-top: 0.55rem;
  font-size: 0.86rem;
  line-height: 1.7;
  color: #3C4640;
}

.page-home .home-stats__foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.2rem;
  margin-top: 1.4rem;
  align-items: center;
}

.page-home .home-stats__cycle {
  padding: 1.15rem 1.2rem;
  border-left: 4px solid var(--cyan);
  background: rgba(57, 217, 199, 0.09);
}

.page-home .home-stats__cycle-label {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: #3C4640;
}

.page-home .home-stats__cycle-value {
  margin: 0.45rem 0 0;
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  font-weight: 700;
  color: var(--ink);
}

.page-home .home-stats__cycle-hint {
  margin: 0.5rem 0 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: #3C4640;
}

.page-home .home-stats__figure {
  margin: 0;
  border: 1px solid rgba(11, 43, 38, 0.18);
  overflow: hidden;
  background: var(--ink);
}

.page-home .home-stats__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.92;
}

/* 四区导览 */
.page-home .home-zones {
  background: var(--ink);
  border-top: 1px solid var(--home-soft-line);
}

.page-home .home-zones__note {
  margin: 0.85rem 0 0;
  max-width: 56ch;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .home-zones__figure {
  margin: 1.6rem 0 0;
  border: 1px solid var(--home-gold-line);
  overflow: hidden;
  background: var(--ink-deep);
}

.page-home .home-zones__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 27 / 16;
  object-fit: cover;
  opacity: 0.85;
}

.page-home .home-zones__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.page-home .home-zone {
  position: relative;
  display: grid;
  grid-template-columns: auto auto 1fr;
  grid-template-areas:
    "no tag go"
    "desc desc desc";
  align-items: center;
  gap: 0.55rem 0.7rem;
  padding: 1rem 1.05rem 1.05rem;
  border: 1px solid var(--home-soft-line);
  background: rgba(10, 35, 31, 0.72);
  color: var(--paper);
  text-decoration: none;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-home .home-zone::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
}

.page-home .home-zone--a::before { background: var(--zone-a); }
.page-home .home-zone--b::before { background: var(--zone-b); }
.page-home .home-zone--c::before { background: var(--zone-c); }
.page-home .home-zone--d::before { background: var(--zone-d); }

.page-home .home-zone:hover,
.page-home .home-zone:focus-visible {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.page-home .home-zone__no {
  grid-area: no;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .home-zone .zone-tag {
  grid-area: tag;
}

.page-home .home-zone__go {
  grid-area: go;
  justify-self: end;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-home .home-zone__desc {
  grid-area: desc;
  margin: 0.55rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--muted);
}

/* 入口索引 */
.page-home .home-index {
  background: var(--ink-deep);
  border-top: 1px solid var(--home-soft-line);
}

.page-home .home-index__list {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  border-top: 1px solid var(--home-gold-line);
}

.page-home .home-index__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 0.3rem 0.9rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--home-soft-line);
}

.page-home .home-index__no {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .home-index__link {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.02rem, 2.2vw, 1.24rem);
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

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

.page-home .home-index__meta {
  grid-column: 2;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-home .home-index__tail {
  margin: 1.4rem 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .home-index__tail a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

  .page-home .home-stats__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-home .home-index__meta {
    grid-column: 3;
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(2rem, 4.4vw, 4.4rem);
  }

  .page-home .home-hero__narr::after {
    content: "";
    position: absolute;
    top: -1.2rem;
    bottom: -1.2rem;
    right: calc(-1 * clamp(1rem, 2.2vw, 2.2rem));
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--gold) 14%, var(--gold) 86%, transparent);
  }

  .page-home .home-stats__foot {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: clamp(1.4rem, 3vw, 2.6rem);
  }
}

@media (min-width: 1000px) {
  .page-home .home-lines__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.35rem;
  }

  .page-home .home-line:nth-child(1) { margin-top: 14px; }
  .page-home .home-line:nth-child(2) { margin-top: 42px; }
  .page-home .home-line:nth-child(3) { margin-top: 0; }
  .page-home .home-line:nth-child(4) { margin-top: 30px; }
  .page-home .home-line:nth-child(5) { margin-top: 8px; }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .home-line,
  .page-home .home-zone,
  .page-home .home-index__link {
    transition: none;
  }

  .page-home .home-line:hover,
  .page-home .home-line:focus-visible,
  .page-home .home-zone:hover,
  .page-home .home-zone:focus-visible {
    transform: none;
  }
}