.page-home {
  --home-col-gap: 24px;
  --home-radius: 4px;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: calc(var(--header-h) + 26px) 0 56px;
}

.page-home .hero-frame {
  position: relative;
  margin-top: 16px;
  padding: 44px var(--gutter) 36px;
  border: 1px solid var(--line-strong);
}

.page-home .hero-frame::before,
.page-home .hero-frame::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 24px;
  z-index: 4;
  pointer-events: none;
}

.page-home .hero-frame::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
}

.page-home .hero-frame::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
}

.page-home .hero-mark {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 46px;
  height: 46px;
  color: var(--gold);
  opacity: .55;
  z-index: 4;
  pointer-events: none;
}

.page-home .hero-media {
  position: absolute;
  inset: 0 0 0 auto;
  width: 100%;
  overflow: hidden;
  opacity: .18;
  z-index: 1;
  pointer-events: none;
}

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

.page-home .hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 11, 12, .3) 0%, rgba(11, 11, 12, .9) 78%),
    linear-gradient(90deg, rgba(11, 11, 12, .92) 0%, rgba(11, 11, 12, .2) 100%);
}

.page-home .hero-grid {
  position: relative;
  z-index: 3;
  display: grid;
  gap: 36px;
}

.page-home .hero-copy {
  position: relative;
  z-index: 3;
}

.page-home .hero-title {
  display: flex;
  flex-direction: column;
  margin: -42px 0 24px;
  font-family: var(--font-serif);
  font-weight: 900;
  line-height: 1.02;
}

.page-home .hero-title-inner {
  align-self: flex-start;
  padding: 0 .1em .06em 0;
  background: var(--ink);
  font-size: clamp(2.5rem, 11vw, 5.6rem);
  letter-spacing: .01em;
}

.page-home .hero-title-sub {
  align-self: flex-start;
  margin-top: .28em;
  padding: .12em .3em .12em 0;
  background: var(--ink);
  font-family: var(--font-sans);
  font-size: clamp(.95rem, 4vw, 1.35rem);
  font-weight: 500;
  letter-spacing: .22em;
  color: var(--gold-lite);
}

.page-home .hero-lead {
  max-width: 36em;
  margin-bottom: 26px;
  color: rgba(242, 237, 228, .82);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.page-home .hero-status {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  font-size: .8125rem;
  color: var(--mute);
}

.page-home .hero-status li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-home .hero-status .status-dot {
  background: var(--patina);
}

.page-home .hero-panel {
  background: rgba(30, 28, 24, .82);
  border: 1px solid var(--gold-line);
  border-radius: var(--home-radius);
}

.page-home .hero-panel-label {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .16em;
  color: var(--mute);
}

.page-home .hero-facts {
  display: grid;
  gap: 1px;
  margin: 0 0 16px;
  background: var(--line);
}

.page-home .hero-fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  background: transparent;
}

.page-home .hero-fact dt {
  font-size: .8125rem;
  color: var(--mute);
  letter-spacing: .04em;
}

.page-home .hero-fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .875rem;
  letter-spacing: .04em;
  color: var(--gold-lite);
  text-align: right;
}

.page-home .hero-side-note {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.8;
  color: var(--mute);
}

/* ---------- 通用区块头 ---------- */
.page-home .sec-head {
  max-width: 44rem;
  margin-bottom: 32px;
}

.page-home .sec-head h2 {
  margin: 10px 0 14px;
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 5.4vw, 2.25rem);
  font-weight: 800;
  line-height: 1.24;
  color: var(--paper);
}

.page-home .sec-head .lead {
  color: rgba(242, 237, 228, .76);
}

/* ---------- 对照 ---------- */
.page-home .compare {
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .compare-media {
  margin: 0 0 32px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(201, 162, 39, .08), rgba(11, 11, 12, .6));
}

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

.page-home .compare-media .media-caption {
  display: block;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: .75rem;
  color: var(--mute);
}

.page-home .compare-grid {
  display: grid;
  gap: var(--home-col-gap);
}

.page-home .compare-col {
  position: relative;
  padding: 26px 22px 24px;
  background: var(--bronze);
  border-top: 2px solid var(--line-strong);
}

.page-home .compare-col--desktop {
  border-top-color: var(--gold);
}

.page-home .compare-col--mobile {
  border-top-color: var(--crimson);
}

.page-home .compare-col h3 {
  margin: 8px 0 16px;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .compare-tag {
  display: inline-block;
  margin: 0;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  border: 1px solid currentColor;
}

.page-home .compare-col--desktop .compare-tag {
  color: var(--gold);
}

.page-home .compare-col--mobile .compare-tag {
  color: #C0552F;
}

.page-home .compare-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-home .compare-list li {
  position: relative;
  padding-left: 20px;
  font-size: .9375rem;
  line-height: 1.8;
  color: rgba(242, 237, 228, .8);
}

.page-home .compare-list li::before {
  content: "";
  position: absolute;
  top: .78em;
  left: 0;
  width: 10px;
  height: 1px;
  background: var(--gold);
}

.page-home .compare-note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: .8125rem;
  line-height: 1.8;
  color: var(--mute);
}

/* ---------- 周期轴 ---------- */
.page-home .cycle {
  position: relative;
}

.page-home .cycle-steps {
  display: grid;
  gap: 1px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .cycle-step {
  display: grid;
  grid-template-columns: 42px 1fr;
  align-items: baseline;
  gap: 4px 12px;
  padding: 16px;
  background: var(--ink);
}

.page-home .cycle-num {
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .1em;
  color: var(--mute);
  transition: color var(--dur) var(--ease);
}

.page-home .cycle-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .cycle-desc {
  grid-column: 2;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--mute);
}

.page-home .cycle-step[data-revealed="true"] {
  background: linear-gradient(180deg, rgba(201, 162, 39, .07), rgba(11, 11, 12, 0));
}

.page-home .cycle-step[data-revealed="true"] .cycle-num {
  color: var(--gold);
}

.page-home .cycle-figure {
  margin: 0 0 22px;
  border: 1px solid var(--line);
}

.page-home .cycle-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
  opacity: .8;
}

.page-home .cycle-foot {
  max-width: 48rem;
  margin: 0;
  font-size: .9375rem;
  line-height: 1.9;
  color: rgba(242, 237, 228, .72);
}

/* ---------- 问鼎中心 ---------- */
.page-home .hub {
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .hub-grid {
  display: grid;
  gap: 32px;
}

.page-home .hub-media {
  margin: 0;
  border: 1px solid var(--line);
  background: linear-gradient(200deg, rgba(201, 162, 39, .1), rgba(11, 11, 12, .8));
}

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

.page-home .hub-body h2 {
  margin: 10px 0 14px;
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 5.4vw, 2.25rem);
  font-weight: 800;
  line-height: 1.24;
}

.page-home .hub-body .lead {
  margin-bottom: 26px;
  color: rgba(242, 237, 228, .78);
}

.page-home .hub-steps {
  display: grid;
  gap: 1px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .hub-step {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  padding: 18px 0;
  background: var(--ink-2);
}

.page-home .hub-num {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-home .hub-step h3 {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .hub-step p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--mute);
}

.page-home .hub-note {
  margin: 0 0 24px;
  font-size: .8125rem;
  line-height: 1.85;
  color: var(--mute);
}

.page-home .hub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 版本 ---------- */
.page-home .version-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 34px;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .version-meta li {
  padding: 16px;
  background: var(--ink);
}

.page-home .version-meta-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-home .version-meta-label {
  display: block;
  margin-top: 6px;
  font-size: .8125rem;
  color: var(--mute);
}

.page-home .doc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 34px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .doc-item {
  display: block;
  padding: 16px 14px;
  background: var(--ink-2);
  text-decoration: none;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .doc-item:hover,
.page-home .doc-item:focus-visible {
  background: var(--bronze);
}

.page-home .doc-num {
  display: block;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-home .doc-name {
  display: block;
  margin: 8px 0 4px;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .doc-desc {
  display: block;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--mute);
}

.page-home .version-links {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .link-card {
  display: block;
  padding: 18px 16px;
  background: var(--ink);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .link-card:hover,
.page-home .link-card:focus-visible {
  background: var(--bronze);
  border-left-color: var(--gold);
}

.page-home .link-card-title {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--gold-lite);
}

.page-home .link-card-desc {
  display: block;
  margin-top: 6px;
  font-size: .8125rem;
  line-height: 1.75;
  color: var(--mute);
}

/* ---------- 合作 ---------- */
.page-home .handoff {
  background: var(--ink-2);
  border-top: 1px solid var(--line);
}

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

.page-home .handoff-body h2 {
  margin: 10px 0 14px;
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 5.4vw, 2.25rem);
  font-weight: 800;
  line-height: 1.24;
}

.page-home .handoff-body .lead {
  margin-bottom: 22px;
  color: rgba(242, 237, 228, .78);
}

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

.page-home .contact-item {
  padding: 16px 18px;
  background: var(--ink);
}

.page-home .contact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--mute);
}

.page-home .contact-value {
  display: block;
  margin: 8px 0 4px;
  font-family: var(--font-mono);
  font-size: .9375rem;
  letter-spacing: .02em;
  color: var(--paper);
  word-break: break-word;
}

.page-home .contact-hint {
  display: block;
  font-size: .8125rem;
  color: var(--mute);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .hero-frame {
    padding: 52px 40px 44px;
  }

  .page-home .hero-title {
    margin-top: -62px;
  }

  .page-home .hero-mark {
    width: 60px;
    height: 60px;
    top: 20px;
    right: 22px;
  }

  .page-home .hero-media {
    width: 62%;
    opacity: .3;
  }

  .page-home .hero-status {
    grid-auto-flow: column;
    justify-content: start;
    gap: 26px;
  }

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

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

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

@media (min-width: 980px) {
  .page-home .hero {
    padding-top: calc(var(--header-h) + 44px);
    padding-bottom: 78px;
  }

  .page-home .hero-frame {
    padding: 66px 56px 52px;
  }

  .page-home .hero-title {
    margin-top: -84px;
  }

  .page-home .hero-grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: 48px;
  }

  .page-home .hero-side {
    padding-bottom: 4px;
  }

  .page-home .compare-grid {
    grid-template-columns: 7fr 5fr;
    align-items: stretch;
  }

  .page-home .cycle-steps {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }

  .page-home .cycle-step {
    display: block;
    padding: 22px 14px 28px;
  }

  .page-home .cycle-num {
    display: block;
    margin-bottom: 12px;
  }

  .page-home .cycle-name {
    display: block;
    margin-bottom: 10px;
  }

  .page-home .cycle-desc {
    display: block;
  }

  .page-home .hub-grid {
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 52px;
  }

  .page-home .handoff-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 48px;
  }

  .page-home .contact-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
<<<END>>>