.page-home {
  --home-line: rgba(176, 138, 62, 0.34);
  --home-line-soft: rgba(176, 138, 62, 0.18);
  --home-veil: linear-gradient(112deg, rgba(6, 40, 42, 0.95) 0%, rgba(11, 59, 60, 0.82) 48%, rgba(11, 59, 60, 0.42) 100%);
  display: block;
  background: var(--ivory);
  color: var(--graphite);
}

/* ---------- 封面 ---------- */
.page-home .cover {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--canal-deep);
  color: var(--ivory);
  padding-block: clamp(2.25rem, 6vw, 4.5rem) clamp(2.5rem, 7vw, 5rem);
}

.page-home .cover__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-home .cover__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
  filter: saturate(0.82);
}

.page-home .cover::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--home-veil);
  pointer-events: none;
}

.page-home .cover__inner {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-home .cover__index {
  border-top: 1px solid var(--home-line);
  padding-top: 0.9rem;
}

.page-home .cover__index-note {
  margin: 0 0 0.85rem;
  font-size: 0.8rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--mist);
  max-width: 22ch;
}

.page-home .cover__index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.3rem 0.5rem;
}

.page-home .cover__idx-item {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius-s);
  color: var(--water);
  text-decoration: none;
  transition: background 180ms var(--ease), color 180ms var(--ease);
}

.page-home .cover__idx-num {
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--gold-light);
  font-variant-numeric: tabular-nums;
}

.page-home .cover__idx-label {
  font-size: 0.86rem;
  letter-spacing: 0.04em;
}

.page-home .cover__idx-item:hover,
.page-home .cover__idx-item:focus-visible {
  background: rgba(217, 184, 108, 0.15);
  color: var(--ivory);
}

.page-home .cover__idx-item[aria-current="page"] {
  background: rgba(217, 184, 108, 0.2);
  color: var(--ivory);
}

.page-home .cover__lead {
  max-width: 40rem;
}

.page-home .cover .eyebrow {
  color: var(--gold-light);
}

.page-home .cover__title {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.3rem, 6.4vw, 4.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-home .cover__accent {
  color: var(--gold-light);
}

.page-home .cover__lede {
  margin: 1.15rem 0 0;
  max-width: 34rem;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.78;
  color: var(--water);
}

.page-home .cover__actions {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem 1.4rem;
}

.page-home .cover__link {
  color: var(--water);
  font-size: 0.92rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 184, 108, 0.55);
  padding-bottom: 0.15rem;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

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

/* ---------- 三大主题簇 ---------- */
.page-home .clusters {
  background: var(--ivory);
}

.page-home .clusters__head {
  max-width: 42rem;
  margin-bottom: clamp(1.6rem, 3.5vw, 2.4rem);
}

.page-home .clusters__title {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.page-home .clusters__intro {
  margin: 0.8rem 0 0;
  max-width: 40rem;
  line-height: 1.78;
  color: #3a4643;
}

.page-home .cluster-grid {
  display: grid;
  gap: clamp(1rem, 2.4vw, 1.4rem);
}

.page-home .cluster-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-m);
  background: #fffdf8;
  border: 1px solid var(--home-line-soft);
  box-shadow: 0 1px 2px rgba(6, 40, 42, 0.05);
  transition: transform 160ms var(--ease), border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-home .cluster-card:hover {
  transform: translateY(-2px);
  border-color: var(--gold-light);
  box-shadow: 0 10px 24px rgba(6, 40, 42, 0.1);
}

.page-home .cluster-card__media {
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--water);
}

.page-home .cluster-card__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85);
  transition: transform 320ms var(--ease);
}

.page-home .cluster-card:hover .cluster-card__img {
  transform: scale(1.03);
}

.page-home .cluster-card__body {
  position: relative;
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  flex: 1;
}

.page-home .cluster-card__idx {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--gold);
}

.page-home .cluster-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.28rem;
  letter-spacing: 0.01em;
  color: var(--canal);
}

.page-home .cluster-card__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: #3a4643;
}

.page-home .cluster-card__link {
  margin-top: auto;
  padding-top: 0.5rem;
  align-self: flex-start;
  font-size: 0.92rem;
  color: var(--coral);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 105, 91, 0.4);
  transition: border-color 150ms var(--ease), color 150ms var(--ease);
}

.page-home .cluster-card__link:hover,
.page-home .cluster-card__link:focus-visible {
  color: var(--canal);
  border-color: var(--canal);
}

.page-home .cluster-card--ink {
  background:
    radial-gradient(circle at 88% 8%, rgba(217, 184, 108, 0.24), transparent 58%),
    var(--canal);
  border-color: transparent;
  color: var(--ivory);
}

.page-home .cluster-card--ink .cluster-card__idx {
  font-size: 3.2rem;
  color: rgba(217, 184, 108, 0.72);
}

.page-home .cluster-card--ink .cluster-card__title {
  color: var(--ivory);
}

.page-home .cluster-card--ink .cluster-card__text {
  color: var(--water);
}

.page-home .cluster-card--ink .cluster-card__link {
  color: var(--gold-light);
  border-color: rgba(217, 184, 108, 0.55);
}

.page-home .cluster-card--ink .cluster-card__link:hover,
.page-home .cluster-card--ink .cluster-card__link:focus-visible {
  color: var(--ivory);
  border-color: var(--ivory);
}

/* ---------- 跨端收藏 ---------- */
.page-home .cross__grid {
  display: grid;
  gap: clamp(1.6rem, 3.6vw, 2.8rem);
  align-items: center;
}

.page-home .cross__figure {
  margin: 0;
}

.page-home .cross__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-l);
  border: 1px solid rgba(176, 138, 62, 0.28);
  object-fit: cover;
}

.page-home .cross__caption {
  margin-top: 0.7rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-home .cross__title {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.55rem, 3.2vw, 2.25rem);
  line-height: 1.26;
  color: var(--canal);
}

.page-home .cross__text {
  margin: 0.85rem 0 0;
  line-height: 1.78;
  color: #31403c;
}

.page-home .cross__steps {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
  border-left: 1px solid rgba(11, 59, 60, 0.18);
}

.page-home .cross__step {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  padding-left: 0.9rem;
}

.page-home .cross__step::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 0.55rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

.page-home .cross__step-num {
  font-family: var(--font-display);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-home .cross__step-text {
  font-size: 0.94rem;
  line-height: 1.72;
  color: #31403c;
}

.page-home .cross .btn {
  margin-top: 1.4rem;
}

/* ---------- 日志与版本 ---------- */
.page-home .journal {
  background: var(--ivory);
}

.page-home .journal__grid {
  display: grid;
  gap: clamp(1.6rem, 3.4vw, 2.4rem);
}

.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--home-line-soft);
}

.page-home .timeline__item {
  padding: 1.15rem 0 1.15rem 1.1rem;
  border-bottom: 1px solid var(--home-line-soft);
  border-left: 2px solid transparent;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-home .timeline__item:hover {
  border-left-color: var(--gold);
  background: rgba(221, 233, 228, 0.42);
}

.page-home .timeline__time {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-home .timeline__title {
  margin: 0.3rem 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  line-height: 1.45;
  color: var(--canal);
}

.page-home .timeline__text {
  margin: 0.45rem 0 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: #3a4643;
}

.page-home .timeline__tags {
  margin: 0.65rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-home .snapshot {
  align-self: start;
  border-radius: var(--radius-m);
  padding: clamp(1.2rem, 2.8vw, 1.8rem);
  background:
    radial-gradient(circle at 12% 0%, rgba(217, 184, 108, 0.2), transparent 62%),
    var(--canal);
  color: var(--ivory);
}

.page-home .snapshot__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  color: var(--gold-light);
}

.page-home .snapshot__list {
  margin: 0;
  display: grid;
  gap: 0.7rem;
}

.page-home .snapshot__row {
  display: grid;
  gap: 0.15rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px dashed rgba(221, 233, 228, 0.22);
}

.page-home .snapshot__row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-home .snapshot__key {
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-home .snapshot__val {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--water);
  font-variant-numeric: tabular-nums;
}

.page-home .snapshot__cta {
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.62rem 1.1rem;
  border-radius: 999px;
  background: var(--gold-light);
  color: var(--canal-deep);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 160ms var(--ease), color 160ms var(--ease);
}

.page-home .snapshot__cta:hover,
.page-home .snapshot__cta:focus-visible {
  background: var(--ivory);
}

/* ---------- 团队与规模 ---------- */
.page-home .trust {
  background: var(--canal-deep);
  color: var(--ivory);
  padding-block: clamp(2rem, 5vw, 3.4rem);
  border-top: 1px solid rgba(217, 184, 108, 0.28);
}

.page-home .trust__title {
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  line-height: 1.36;
  color: var(--water);
  max-width: 34rem;
}

.page-home .trust__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem 1.4rem;
}

.page-home .trust__item {
  display: grid;
  gap: 0.3rem;
  padding-top: 0.7rem;
  border-top: 1px solid rgba(176, 138, 62, 0.4);
}

.page-home .trust__num {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  line-height: 1;
  color: var(--gold-light);
  font-variant-numeric: tabular-nums;
}

.page-home .trust__label {
  font-size: 0.84rem;
  line-height: 1.66;
  color: var(--water);
}

/* ---------- 收束 ---------- */
.page-home .closing {
  background: var(--ivory);
}

.page-home .closing__inner {
  display: grid;
  gap: 1.5rem;
  align-items: end;
  border-top: 2px solid var(--home-line);
  padding-top: clamp(1.5rem, 3.5vw, 2.4rem);
}

.page-home .closing__title {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  line-height: 1.28;
  color: var(--canal);
}

.page-home .closing__desc {
  margin: 0.75rem 0 0;
  max-width: 38rem;
  line-height: 1.78;
  color: #3a4643;
}

.page-home .closing__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
}

.page-home .closing__back {
  font-size: 0.88rem;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(94, 140, 138, 0.5);
  padding-bottom: 0.12rem;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .trust__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-home .cover__inner {
    grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-home .cover__index-list {
    grid-template-columns: 1fr;
  }

  .page-home .cover__index {
    border-top: none;
    border-left: 1px solid var(--home-line);
    padding-top: 0;
    padding-left: 1.1rem;
  }

  .page-home .cross__grid {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-home .journal__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }

  .page-home .closing__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-home .closing__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 940px) {
  .page-home .cluster-grid {
    grid-template-columns: 1.18fr 1fr 1fr;
    align-items: stretch;
  }
}