.page-home {
  --home-line: rgba(245, 242, 232, 0.12);
  --home-line-strong: rgba(245, 242, 232, 0.22);
  --home-muted: rgba(245, 242, 232, 0.68);
  background: var(--ink-900);
  color: var(--paper);
}

.page-home [id] {
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.page-home a:focus-visible,
.page-home .idx-inner--link:focus-visible {
  outline: 2px solid var(--gold-lt);
  outline-offset: 3px;
  border-radius: var(--radius-s);
}

.page-home .kicker {
  color: var(--gold-lt);
  letter-spacing: 0.18em;
}

.page-home .kicker--dark {
  color: var(--cinnabar);
}

/* ===== 首屏 ===== */
.page-home .hero {
  position: relative;
  padding: calc(var(--header-h) + 2.25rem) 0 2.5rem;
  background:
    radial-gradient(120% 90% at 84% 6%, rgba(201, 162, 39, 0.16), transparent 56%),
    radial-gradient(90% 70% at 0% 0%, rgba(111, 154, 141, 0.12), transparent 62%),
    var(--ink-900);
  overflow: hidden;
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-home .hero-lead h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 0.5rem 0 1rem;
  color: var(--paper);
}

.page-home .hero-lead .lede {
  max-width: 48ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--home-muted);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-home .hero-figure {
  margin: 2rem 0 0;
}

.page-home .figure-frame {
  overflow: hidden;
  border-radius: var(--radius-m);
  border: 1px solid var(--home-line);
  background: var(--ink-800);
}

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

.page-home .figure-caption {
  margin-top: 0.6rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--silver);
}

/* 右侧设置栏 */
.page-home .setrail {
  background: linear-gradient(180deg, var(--ink-800), rgba(18, 42, 66, 0.72));
  border: 1px solid var(--home-line-strong);
  border-radius: var(--radius-l);
  padding: 1.25rem;
  box-shadow: var(--shadow-2);
}

.page-home .setrail-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-home .setrail-title {
  font-family: var(--font-head);
  font-size: 1.15rem;
  line-height: 1.4;
  margin: 0;
  color: var(--paper);
}

.page-home .setrail-fig {
  margin: 1rem 0 1.15rem;
}

.page-home .setrail-fig img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-m);
  border: 1px solid var(--home-line);
}

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

.page-home .setrail-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--home-line);
  font-size: 0.9375rem;
}

.page-home .setrail-label {
  color: var(--paper);
}

.page-home .setrail-switch {
  position: relative;
  flex: none;
  width: 34px;
  height: 18px;
  border-radius: 999px;
  background: rgba(245, 242, 232, 0.16);
  border: 1px solid var(--home-line-strong);
}

.page-home .setrail-switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--silver);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .setrail-switch--on {
  background: rgba(201, 162, 39, 0.28);
  border-color: rgba(201, 162, 39, 0.6);
}

.page-home .setrail-switch--on::after {
  transform: translateX(16px);
  background: var(--gold-lt);
}

.page-home .setrail-foot {
  margin: 1rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--home-muted);
}

.page-home .setrail-link {
  color: var(--gold-lt);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-left: 0.2rem;
}

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

/* 七项索引 */
.page-home .index-strip {
  margin-top: 2.75rem;
  border-top: 1px solid var(--home-line);
  padding-top: 2rem;
}

.page-home .index-head {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.page-home .idx-range {
  font-family: var(--font-num);
  font-size: clamp(2.4rem, 9vw, 4.2rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--gold);
}

.page-home .index-title {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.3;
  margin: 0;
  color: var(--paper);
}

.page-home .index-sub {
  margin: 0;
  max-width: 58ch;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--home-muted);
}

.page-home .idx-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-home .idx-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num name"
    "num note";
  gap: 0.15rem 0.8rem;
  height: 100%;
  padding: 0.95rem 0.9rem;
  background: var(--ink-800);
  color: inherit;
  text-decoration: none;
  transition: background var(--dur) var(--ease);
}

.page-home .idx-inner--link:hover {
  background: var(--ink-700);
}

.page-home .idx-inner--link:hover .idx-num {
  transform: translateX(2px);
}

.page-home .idx-num {
  grid-area: num;
  align-self: start;
  font-family: var(--font-num);
  font-size: 1.45rem;
  line-height: 1.1;
  color: var(--gold-lt);
  transition: transform var(--dur) var(--ease);
}

.page-home .idx-name {
  grid-area: name;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--paper);
}

.page-home .idx-note {
  grid-area: note;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: rgba(245, 242, 232, 0.62);
}

/* 版本对照带 */
.page-home .version-strip {
  margin-top: 2.5rem;
}

.page-home .version-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
}

.page-home .version-lead {
  font-family: var(--font-head);
  font-size: 1.05rem;
  margin: 0;
  color: var(--paper);
}

.page-home .version-more {
  font-size: 0.875rem;
  color: var(--gold-lt);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 207, 122, 0.4);
  padding-bottom: 2px;
}

.page-home .version-more:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-home .version-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-home .version-node {
  display: grid;
  gap: 0.35rem;
  padding: 0.95rem 1rem;
  background: rgba(18, 42, 66, 0.72);
}

.page-home .version-tag {
  font-family: var(--font-num);
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--gold-lt);
}

.page-home .version-note {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: rgba(245, 242, 232, 0.64);
}

/* ===== 通用章节 ===== */
.page-home .sec {
  padding: 3.5rem 0;
  border-top: 1px solid var(--home-line);
}

.page-home .sec-head {
  margin-bottom: 1.75rem;
}

.page-home .sec h2 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 4vw, 2.15rem);
  line-height: 1.28;
  margin: 0.5rem 0 0.85rem;
  color: var(--paper);
}

.page-home .sec-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 0.9688rem;
  line-height: 1.85;
  color: var(--home-muted);
}

.page-home .sec-more {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.6rem 0 0;
}

.page-home .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

/* 六类规则 */
.page-home .rules-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

.page-home .rule-card {
  background: rgba(245, 242, 232, 0.04);
  border: 1px solid var(--home-line);
  border-radius: var(--radius-m);
  padding: 1.1rem 1.15rem;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .rule-card:hover {
  transform: translateY(-2px);
  background: rgba(245, 242, 232, 0.075);
  box-shadow: var(--shadow-1);
}

.page-home .rule-card-title {
  font-size: 1rem;
  margin: 0 0 0.4rem;
  color: var(--gold-lt);
  font-weight: 600;
}

.page-home .rule-card-text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--home-muted);
}

/* 表格 */
.page-home .table-scroll {
  overflow-x: auto;
  border: 1px solid var(--home-line);
  border-radius: var(--radius-m);
  background: rgba(18, 42, 66, 0.5);
}

.page-home .data-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.page-home .data-table caption {
  text-align: left;
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  color: var(--silver);
}

.page-home .data-table th,
.page-home .data-table td {
  padding: 0.8rem 1rem;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--home-line);
}

.page-home .data-table thead th {
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--silver);
  font-weight: 600;
  border-top: none;
  background: rgba(10, 26, 42, 0.6);
}

.page-home .data-table tbody th {
  font-family: var(--font-num);
  font-size: 0.9375rem;
  color: var(--gold-lt);
  white-space: nowrap;
}

.page-home .data-table tbody td {
  color: rgba(245, 242, 232, 0.82);
  line-height: 1.65;
}

/* 临时通知时间线 */
.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.page-home .timeline-item {
  position: relative;
  padding-left: 1.35rem;
  border-left: 1px solid var(--home-line-strong);
}

.page-home .timeline-item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 0.45rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

.page-home .timeline-item:nth-child(2)::before {
  background: var(--cinnabar);
}

.page-home .timeline-item:nth-child(3)::before {
  background: var(--celadon);
}

.page-home .timeline-title {
  font-size: 1rem;
  margin: 0 0 0.35rem;
  color: var(--paper);
  font-weight: 600;
}

.page-home .timeline-text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--home-muted);
}

/* 规模数据 */
.page-home .scale-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}

.page-home .stat {
  border-top: 2px solid var(--gold);
  padding-top: 0.75rem;
}

.page-home .stat-num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .stat-label {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: rgba(245, 242, 232, 0.6);
}

.page-home .scale-note {
  margin: 1.5rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--home-muted);
  max-width: 62ch;
}

/* 联系区（浅底） */
.page-home .sec--paper {
  background: var(--paper);
  color: var(--charcoal);
  border-top: none;
}

.page-home .sec--paper h2 {
  color: var(--charcoal);
}

.page-home .sec--paper .sec-lede {
  color: rgba(18, 20, 23, 0.72);
}

.page-home .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-home .contact-line {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.2rem;
  padding: 1rem 1.1rem;
  background: var(--white);
}

.page-home .contact-key {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: rgba(18, 20, 23, 0.55);
}

.page-home .contact-val {
  font-family: var(--font-num);
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--charcoal);
  word-break: break-word;
}

.page-home .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.6rem 0 0;
}

/* ===== 媒体查询 ===== */
@media (min-width: 640px) {
  .page-home .idx-list {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .page-home .contact-line {
    grid-template-columns: 9rem 1fr;
    align-items: baseline;
    gap: 0.5rem 1rem;
  }
}

@media (min-width: 960px) {
  .page-home .hero {
    padding: calc(var(--header-h) + 3rem) 0 3.5rem;
  }

  .page-home .hero-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-home .hero-lead {
    grid-column: span 7;
  }

  .page-home .setrail {
    grid-column: span 5;
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    padding: 1.5rem;
  }

  .page-home .index-strip {
    margin-top: 3.5rem;
    padding-top: 2.5rem;
  }

  .page-home .index-head {
    grid-template-columns: auto 1fr;
    grid-template-areas:
      "range title"
      "range sub";
    align-items: end;
    column-gap: 2rem;
    row-gap: 0.4rem;
  }

  .page-home .idx-range {
    grid-area: range;
    align-self: start;
    font-size: clamp(3.4rem, 6vw, 4.6rem);
  }

  .page-home .index-title {
    grid-area: title;
  }

  .page-home .index-sub {
    grid-area: sub;
  }

  .page-home .idx-list {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .page-home .sec {
    padding: 4.5rem 0;
  }

  .page-home .split {
    grid-template-columns: repeat(12, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-home .split-main {
    grid-column: span 7;
  }

  .page-home .split-side {
    grid-column: span 5;
  }

  .page-home .split-side .figure {
    margin: 0;
  }

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

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

  .page-home .contact-list {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .idx-inner,
  .page-home .idx-num,
  .page-home .rule-card,
  .page-home .setrail-switch::after {
    transition: none;
  }

  .page-home .rule-card:hover,
  .page-home .idx-inner--link:hover .idx-num {
    transform: none;
  }
}
<<<END>>>