.page-home {
  --home-pad: clamp(16px, 4vw, 32px);
  --home-radius: 14px;
  --home-text-soft: rgba(244, 238, 226, 0.78);
  --home-text-dim: rgba(244, 238, 226, 0.58);
  display: block;
  overflow-x: clip;
}

.page-home .section {
  padding-block: clamp(46px, 6.5vw, 92px);
}

.page-home h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--sand-100);
}

/* ---------- 首屏门厅 ---------- */
.page-home .atrium {
  position: relative;
  padding-block: clamp(24px, 4vw, 56px) clamp(38px, 5vw, 76px);
  background:
    radial-gradient(120% 82% at 80% 0%, rgba(216, 169, 74, 0.16), transparent 62%),
    radial-gradient(90% 60% at 6% 92%, rgba(57, 214, 200, 0.08), transparent 66%);
}

.page-home .atrium::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-gold) 30%, var(--line-gold) 70%, transparent);
}

.page-home .atrium-grid {
  display: grid;
  gap: clamp(26px, 3.4vw, 46px);
}

.page-home .atrium-rail {
  position: relative;
  padding-left: clamp(16px, 2.4vw, 26px);
}

.page-home .atrium-rail::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--gold-500) 18%, rgba(216, 169, 74, 0.35) 70%, transparent);
}

.page-home .atrium-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--muted-400);
}

.page-home .kicker-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(57, 214, 200, 0.14);
}

.page-home .atrium-rail h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  color: var(--sand-100);
}

.page-home .h1-brand {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-body);
  font-size: clamp(13px, 1.6vw, 16px);
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--gold-500);
}

.page-home .h1-line {
  display: block;
  font-size: clamp(32px, 5vw, 60px);
  line-height: 1.12;
  letter-spacing: 0.005em;
}

.page-home .atrium-lede {
  margin: 20px 0 0;
  max-width: 32em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.82;
  color: var(--home-text-soft);
}

.page-home .atrium-note {
  margin: 12px 0 0;
  max-width: 32em;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted-400);
  border-left: 2px solid var(--line-gold);
  padding-left: 12px;
}

.page-home .atrium-cta {
  margin-top: 26px;
}

.page-home .atrium-facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
}

.page-home .fact-item {
  display: grid;
  gap: 2px;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
}

.page-home .fact-num {
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.4vw, 23px);
  letter-spacing: 0.02em;
  color: var(--gold-300);
}

.page-home .fact-label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted-400);
}

.page-home .atrium-index {
  position: relative;
}

.page-home .atrium-figure {
  margin: 0;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

.page-home .atrium-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.page-home .atrium-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 9, 12, 0.05) 20%, rgba(7, 9, 12, 0.88));
  pointer-events: none;
}

.page-home .index-board {
  margin-top: 16px;
  padding: clamp(14px, 2.2vw, 20px);
  border-radius: var(--radius);
  border: 1px solid var(--line-gold);
  background: rgba(14, 18, 24, 0.94);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.page-home .index-board-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--gold-500);
}

.page-home .index-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-home .index-chip {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  min-height: 44px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.035);
  color: var(--sand-100);
  text-decoration: none;
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-home .index-code {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.09em;
  color: var(--gold-500);
  padding-bottom: 1px;
  border-bottom: 2px solid var(--line-gold);
}

.page-home .index-name {
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-home .index-chip:hover,
.page-home .index-chip:focus-visible {
  background: var(--ink-700);
  border-color: var(--line-gold);
  transform: translateY(-2px);
}

/* ---------- 章节头 ---------- */
.page-home .section-head {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-home .head-copy h2 {
  max-width: 18em;
}

.page-home .section-head .lede {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: clamp(14.5px, 1.4vw, 16.5px);
  line-height: 1.82;
  color: var(--home-text-soft);
}

.page-home .head-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-700);
}

.page-home .head-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

/* ---------- 入口对照 ---------- */
.page-home .entries {
  background: linear-gradient(180deg, var(--ink-900), var(--ink-800) 16%, var(--ink-800) 84%, var(--ink-900));
}

.page-home .entry-grid {
  display: grid;
  gap: clamp(20px, 2.6vw, 30px);
  margin-top: clamp(28px, 4vw, 48px);
}

.page-home .entry-group {
  display: grid;
  align-content: start;
  gap: 10px;
}

.page-home .group-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line-gold);
}

.page-home .group-code {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  padding: 4px 7px;
  border-radius: 4px;
  background: var(--gold-500);
  color: var(--ink-900);
}

.page-home .group-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--sand-100);
}

.page-home .group-note {
  margin: 0 0 2px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted-400);
}

.page-home .entry-card {
  display: grid;
  gap: 6px;
  padding: 13px 14px 14px;
  border-radius: 12px;
  border: 1px solid var(--line-soft);
  background: var(--glass);
  transition: background 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-home .entry-card:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--line-gold);
}

.page-home .entry-code {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--gold-500);
  padding-bottom: 1px;
  border-bottom: 2px solid var(--line-gold);
}

.page-home .entry-name {
  margin: 2px 0 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--sand-100);
}

.page-home .entry-fit {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--home-text-dim);
}

.page-home .entry-fb {
  justify-self: start;
  margin-top: 2px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.07em;
}

.page-home .fb-now {
  color: var(--cyan-400);
  border-color: rgba(57, 214, 200, 0.4);
  background: rgba(57, 214, 200, 0.09);
}

.page-home .fb-wait {
  color: var(--gold-300);
  border-color: rgba(240, 211, 148, 0.34);
  background: rgba(216, 169, 74, 0.12);
}

.page-home .fb-retry {
  color: var(--red-300);
  border-color: rgba(255, 154, 140, 0.42);
  background: rgba(217, 72, 59, 0.14);
}

.page-home .entry-cta {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 3.4vw, 40px);
  padding: clamp(16px, 2.4vw, 24px);
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background: rgba(7, 9, 12, 0.6);
}

.page-home .entry-cta-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--home-text-soft);
}

.page-home .entry-cta .btn {
  justify-self: start;
}

/* ---------- 双版本 ---------- */
.page-home .versions {
  background:
    radial-gradient(90% 70% at 88% 6%, rgba(57, 214, 200, 0.08), transparent 62%),
    var(--ink-900);
}

.page-home .version-pair {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  margin-top: clamp(26px, 3.6vw, 42px);
}

.page-home .version-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background: var(--ink-800);
}

.page-home .version-new {
  border-color: var(--line-gold);
  background: linear-gradient(158deg, rgba(216, 169, 74, 0.14), rgba(14, 18, 24, 0.94) 58%);
}

.page-home .version-classic {
  background: linear-gradient(158deg, rgba(57, 214, 200, 0.1), rgba(14, 18, 24, 0.95) 58%);
}

.page-home .version-tag-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-home .version-meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--muted-400);
}

.page-home .version-title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 23px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--sand-100);
}

.page-home .version-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .version-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--home-text-soft);
}

.page-home .version-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-500);
}

.page-home .version-classic .version-list li::before {
  background: var(--cyan-400);
}

.page-home .version-fit {
  margin: 18px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted-400);
}

.page-home .version-shared {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--line-gold);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--home-text-soft);
}

/* ---------- 平板 ---------- */
.page-home .tablet {
  background:
    radial-gradient(80% 90% at 12% 20%, rgba(216, 169, 74, 0.1), transparent 60%),
    var(--ink-900);
}

.page-home .tablet-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 48px);
}

.page-home .tablet-figure {
  margin: 0;
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  background: var(--ink-700);
}

.page-home .tablet-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .tablet-caption {
  padding: 12px 14px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted-400);
  border-top: 1px solid var(--line-soft);
}

.page-home .tablet-lede {
  margin: 14px 0 0;
  font-size: clamp(14.5px, 1.4vw, 16px);
  line-height: 1.82;
  color: var(--home-text-soft);
}

.page-home .feedback-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .feedback-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 11px;
  align-items: start;
  padding: 11px 13px;
  border-radius: 10px;
  border: 1px solid var(--line-soft);
  background: var(--glass);
  font-size: 13px;
  line-height: 1.7;
  color: var(--home-text-soft);
}

.page-home .feedback-list strong {
  color: var(--sand-100);
  font-weight: 600;
}

.page-home .fb-dot {
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
}

.page-home .fb-ok {
  background: var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(57, 214, 200, 0.14);
}

.page-home .fb-run {
  background: var(--gold-500);
  box-shadow: 0 0 0 4px rgba(216, 169, 74, 0.16);
}

.page-home .fb-again {
  background: var(--red-500);
  box-shadow: 0 0 0 4px rgba(217, 72, 59, 0.18);
}

.page-home .tablet-note {
  margin: 16px 0 20px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted-400);
}

/* ---------- 陪伴 ---------- */
.page-home .company {
  background: linear-gradient(180deg, var(--ink-900), var(--ink-800) 14%, var(--ink-800) 86%, var(--ink-900));
}

.page-home .company-body {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(24px, 3.4vw, 42px);
}

.page-home .company-figure {
  margin: 0;
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  background: var(--ink-700);
}

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

.page-home .company-caption {
  padding: 12px 14px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted-400);
  border-top: 1px solid var(--line-soft);
}

.page-home .company-cards {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-home .company-card {
  padding: clamp(16px, 2.2vw, 22px);
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background: rgba(7, 9, 12, 0.55);
}

.page-home .company-card-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--sand-100);
}

.page-home .company-card-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--home-text-soft);
}

.page-home .tier-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-home .tier {
  display: grid;
  gap: 2px;
  padding-left: 12px;
  border-left: 2px solid var(--line-gold);
}

.page-home .tier-name {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-300);
}

.page-home .tier-desc {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--home-text-dim);
}

/* ---------- 手记 ---------- */
.page-home .notes {
  background: var(--ink-900);
}

.page-home .note-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-home .note-main {
  padding: clamp(20px, 2.8vw, 28px);
  border-radius: var(--radius);
  border: 1px solid var(--line-gold);
  background: linear-gradient(150deg, rgba(216, 169, 74, 0.13), rgba(14, 18, 24, 0.95) 62%);
}

.page-home .note-side {
  padding: clamp(16px, 2.2vw, 22px);
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.035);
}

.page-home .note-time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted-400);
}

.page-home .note-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 600;
  line-height: 1.42;
  color: var(--sand-100);
}

.page-home .note-text {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--home-text-soft);
}

.page-home .notes-foot {
  display: grid;
  gap: 14px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-home .notes-foot-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted-400);
}

.page-home .notes-foot .btn {
  justify-self: start;
}

.page-home .finale {
  display: grid;
  gap: 18px;
  margin-top: clamp(32px, 4.4vw, 56px);
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--radius);
  border: 1px solid var(--line-gold);
  background:
    radial-gradient(90% 140% at 100% 0%, rgba(216, 169, 74, 0.2), transparent 62%),
    rgba(14, 18, 24, 0.92);
}

.page-home .finale-text {
  margin: 0;
  max-width: 26em;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--sand-100);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-home .atrium-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 768px) {
  .page-home .entry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-home .note-main {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-home .section-head {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: end;
  }

  .page-home .section-head.single {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .page-home .company-body {
    grid-template-columns: 1.02fr 0.98fr;
    align-items: start;
  }

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

  .page-home .notes-foot .btn {
    justify-self: end;
  }

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

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

  .page-home .note-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }

  .page-home .note-main {
    grid-column: auto;
  }
}

@media (min-width: 1024px) {
  .page-home .atrium-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-home .tablet-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: center;
  }

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

  .page-home .atrium-figure {
    grid-area: 1 / 1;
    width: min(76%, 400px);
    justify-self: end;
    align-self: start;
  }

  .page-home .index-board {
    grid-area: 1 / 1;
    align-self: end;
    justify-self: start;
    width: min(86%, 520px);
    margin-top: clamp(150px, 19vw, 250px);
    backdrop-filter: blur(12px);
  }
}

@media (min-width: 1180px) {
  .page-home .entry-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  .page-home .entry-group:nth-child(2) {
    margin-top: 52px;
  }

  .page-home .entry-group:nth-child(3) {
    margin-top: 18px;
  }

  .page-home .entry-group:nth-child(4) {
    margin-top: 74px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .index-chip,
  .page-home .entry-card {
    transition: none;
  }

  .page-home .index-chip:hover,
  .page-home .index-chip:focus-visible {
    transform: none;
  }
}