.page-home {
  --home-num: rgba(200, 162, 74, 0.26);
  --home-tint: rgba(53, 224, 210, 0.06);
  display: block;
  overflow-x: hidden;
  color: var(--text-main);
}

.page-home a:focus-visible,
.page-home input:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

.page-home .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-cyan);
}

.page-home .breadcrumb {
  padding: 20px 0 6px;
  font-size: 12px;
}

.page-home .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .breadcrumb-link {
  color: var(--cyan-400);
  text-decoration: none;
  transition: color var(--t-fast);
}

.page-home .breadcrumb-link:hover {
  color: var(--gold-200);
}

.page-home .breadcrumb-sep,
.page-home .breadcrumb-current {
  color: var(--mist-cyan);
}

.page-home .text-link {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 210, 0.45);
  padding-bottom: 1px;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-home .text-link:hover {
  color: var(--gold-200);
  border-color: var(--gold-500);
}

/* 首屏 */
.page-home .hero {
  position: relative;
  padding: 24px 0 0;
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-home .version-scale {
  position: relative;
}

.page-home .scale-list {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .scale-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 2px 0;
  font-size: 13px;
  color: var(--mist-cyan);
}

.page-home .scale-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  background: rgba(200, 162, 74, 0.45);
}

.page-home .scale-label {
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--gold-200);
}

.page-home .scale-note {
  font-size: 11px;
  color: var(--mist-cyan);
}

.page-home .scale-item.is-current .scale-label {
  color: var(--cyan-400);
}

.page-home .scale-item.is-current .scale-dot {
  background: var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(53, 224, 210, 0.16);
}

.page-home .hero-main {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-home .chip {
  justify-self: start;
  display: inline-block;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 0.12em;
  border: 1px solid var(--line-gold);
  color: var(--gold-200);
  margin: 0;
}

.page-home .chip--gold {
  border-color: var(--gold-500);
  color: var(--gold-500);
}

.page-home h1 {
  margin: 6px 0 0;
  max-width: 15em;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  line-height: 1.32;
  letter-spacing: 0.05em;
  color: var(--gold-200);
}

.page-home .hero-lead {
  max-width: 34em;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 2px 0 6px;
}

.page-home .hero-body {
  display: grid;
  gap: 22px;
  margin-top: 4px;
  min-width: 0;
}

.page-home .sheet-wrap {
  min-width: 0;
  overflow-x: auto;
  border: 2px solid var(--line-gold);
  background: var(--ink-750);
  box-shadow: var(--shadow-gold);
}

.page-home .sheet {
  width: 100%;
  min-width: 400px;
  border-collapse: collapse;
  font-size: 13px;
}

.page-home .sheet caption {
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-align: left;
  color: var(--mist-cyan);
  border-bottom: 1px dashed var(--line-gold);
}

.page-home .sheet th,
.page-home .sheet td {
  padding: 10px 12px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .sheet thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--mist-cyan);
  border-bottom: 1px dashed var(--line-gold);
}

.page-home .sheet tbody tr:last-child td {
  border-bottom: 0;
}

.page-home .sheet tbody tr:hover {
  background: var(--home-tint);
}

.page-home .sheet-note {
  margin: 0;
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist-cyan);
  border-top: 1px solid var(--line-soft);
}

.page-home .dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 6px;
  vertical-align: 1px;
  background: var(--mist-cyan);
}

.page-home .dot--pass {
  background: var(--pass-green);
}

.page-home .dot--warn {
  background: var(--amber-500);
}

.page-home .media-frame {
  position: relative;
  margin: 0;
  border: 2px solid var(--gold-500);
  background: var(--ink-750);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

.page-home .media-cap {
  margin: 0;
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist-cyan);
  background: var(--ink-900);
  border-top: 1px solid var(--line-soft);
}

.page-home .media-tag {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-900);
  background: var(--gold-500);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
}

/* 章节骨架 */
.page-home .chapter {
  position: relative;
  padding: 52px 0 8px;
}

.page-home .band {
  width: 100%;
  height: 6px;
  border-bottom: 1px solid var(--line-gold);
}

.page-home .band--teal {
  background: var(--teal-deep);
}

.page-home .band--wine {
  background: var(--wine-700);
}

.page-home .band--indigo {
  background: var(--indigo-800);
}

.page-home .chapter-head {
  position: relative;
  padding-top: 46px;
  margin-bottom: 26px;
}

.page-home .chapter-num {
  position: absolute;
  top: 0;
  left: -2px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--home-num);
  user-select: none;
}

.page-home .chapter-title {
  position: relative;
  margin: 0;
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 500;
  line-height: 1.38;
  letter-spacing: 0.05em;
  color: var(--gold-200);
}

.page-home .chapter-title::after {
  content: "";
  display: block;
  width: 54px;
  height: 2px;
  margin-top: 14px;
  background: var(--gold-500);
}

.page-home .chapter-kicker {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist-cyan);
}

.page-home .chapter-lede {
  max-width: 36em;
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-home .chapter-tail {
  max-width: 40em;
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-soft);
}

/* §01 三种处境 */
.page-home .scene-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-gold);
}

.page-home .scene {
  position: relative;
  display: grid;
  gap: 7px;
  padding: 20px 0 20px 16px;
  border-bottom: 1px solid var(--line-soft);
  transition: background var(--t-fast);
}

.page-home .scene::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--line-gold);
  transition: width var(--t-fast), background var(--t-fast);
}

.page-home .scene:hover,
.page-home .scene:focus-within {
  background: rgba(200, 162, 74, 0.05);
}

.page-home .scene:hover::before,
.page-home .scene:focus-within::before {
  width: 6px;
  background: var(--gold-500);
}

.page-home .scene-idx {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-500);
}

.page-home .scene-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-main);
}

.page-home .scene-desc {
  margin: 0;
  max-width: 46em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-home .scene .btn--quiet {
  justify-self: start;
}

/* §02 反馈数据 */
.page-home .stat-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-gold);
}

.page-home .stat {
  padding: 16px 14px 18px;
  background: var(--ink-900);
}

.page-home .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--gold-200);
}

.page-home .stat-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist-cyan);
}

.page-home .fact-list {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .fact-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-home .fact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--gold-500);
}

/* §03 变更要点 */
.page-home .chg-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .chg-item {
  display: grid;
  gap: 6px;
  padding: 18px 0 18px 14px;
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-home .chg-item:hover {
  border-left-color: var(--amber-500);
  background: rgba(242, 160, 60, 0.05);
}

.page-home .chg-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-home .tag {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  border: 1px solid var(--amber-500);
  color: var(--amber-500);
}

.page-home .chg-cat {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist-cyan);
}

.page-home .chg-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: 0.03em;
  color: var(--text-main);
  transition: color var(--t-fast);
}

.page-home .chg-item:hover .chg-title {
  color: var(--gold-200);
}

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

.page-home .chg-note {
  max-width: 40em;
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-soft);
}

/* 通栏纸纹 */
.page-home .paper-strip {
  position: relative;
  margin: 40px 0;
  border-top: 1px solid var(--line-gold);
  border-bottom: 1px solid var(--line-gold);
}

.page-home .paper-strip img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  opacity: 0.5;
}

/* §04 六步 */
.page-home .step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-gold);
}

.page-home .step {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 15px 4px;
  border-bottom: 1px solid var(--line-soft);
  cursor: pointer;
  transition: background var(--t-fast);
}

.page-home .step:hover {
  background: var(--home-tint);
}

.page-home .step input {
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  accent-color: var(--cyan-400);
  cursor: pointer;
}

.page-home .step-num {
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.08em;
  color: var(--gold-500);
  transition: color var(--t-fast);
}

.page-home .step-body {
  min-width: 0;
}

.page-home .step-body strong {
  display: block;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--text-main);
  transition: color var(--t-fast);
}

.page-home .step-body span {
  display: block;
  margin-top: 4px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-home .step input:checked ~ .step-num,
.page-home .step input:checked ~ .step-body strong {
  color: var(--cyan-400);
}

/* §05 资料分类 */
.page-home .lib-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-gold);
}

.page-home .lib-item {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .lib-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--gold-200);
}

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

/* §06 联系 */
.page-home .contact-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-home .contact-item {
  padding: 16px 0 16px 14px;
  border-left: 2px solid var(--line-gold);
}

.page-home .contact-label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist-cyan);
}

.page-home .contact-value {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  overflow-wrap: anywhere;
}

.page-home .contact-note {
  max-width: 42em;
  margin: 22px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist-cyan);
}

.page-home .support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* 响应式推进 */
@media (min-width: 720px) {
  .page-home .chapter {
    padding: 64px 0 12px;
  }

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

  .page-home .contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-home .paper-strip {
    margin: 56px 0;
  }
}

@media (min-width: 860px) {
  .page-home .hero {
    padding: 32px 0 0;
  }

  .page-home .hero-grid {
    grid-template-columns: minmax(150px, 3fr) minmax(0, 9fr);
    column-gap: 44px;
    align-items: start;
  }

  .page-home .scale-list {
    display: block;
    padding-left: 20px;
  }

  .page-home .scale-list::before {
    content: "";
    position: absolute;
    left: 3px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--line-gold);
  }

  .page-home .scale-item {
    display: block;
    padding: 0 0 28px;
  }

  .page-home .scale-item:last-child {
    padding-bottom: 0;
  }

  .page-home .scale-dot {
    position: absolute;
    left: -21px;
    top: 6px;
  }

  .page-home .scale-label {
    display: block;
    font-size: 15px;
  }

  .page-home .scale-note {
    display: block;
    margin-top: 2px;
  }

  .page-home h1 {
    font-size: 40px;
    letter-spacing: 0.06em;
  }

  .page-home .chapter {
    padding: 84px 0 16px;
  }

  .page-home .chapter-head {
    padding-top: 56px;
    margin-bottom: 36px;
  }

  .page-home .chapter-num {
    font-size: 64px;
    left: -4px;
  }

  .page-home .chapter-title {
    font-size: 28px;
    letter-spacing: 0.06em;
    max-width: 20em;
  }

  .page-home .scene {
    grid-template-columns: 48px minmax(0, 200px) minmax(0, 1fr) auto;
    align-items: baseline;
    column-gap: 22px;
    padding: 22px 0 22px 20px;
  }

  .page-home .scene-idx {
    grid-column: 1;
  }

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

  .page-home .scene-desc {
    grid-column: 3;
  }

  .page-home .scene .btn--quiet {
    grid-column: 4;
    justify-self: end;
  }

  .page-home .lib-item {
    grid-template-columns: 150px minmax(0, 1fr);
    column-gap: 24px;
    align-items: baseline;
  }

  .page-home .chapter .grid {
    row-gap: 28px;
  }
}

@media (min-width: 1024px) {
  .page-home .hero-body {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
    gap: 28px;
  }

  .page-home .hero-visual {
    margin-top: -56px;
  }

  .page-home .chapter-lede {
    font-size: 15.5px;
  }
}

@media (min-width: 1200px) {
  .page-home h1 {
    font-size: 46px;
  }

  .page-home .chapter-title {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition: none !important;
  }
}