.page-home {
  background: var(--paper);
  color: var(--text);
  overflow-x: hidden;
}

.page-home img {
  max-width: 100%;
  height: auto;
}

/* ---------- 竖向索引轴：移动端为横向刻度条 ---------- */
.page-home .index-rail {
  background: var(--paper-2);
  border-bottom: 1px solid var(--hair);
}

.page-home .rail-list {
  display: flex;
  gap: 2px;
  margin: 0;
  padding: 10px var(--gutter);
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .rail-list::-webkit-scrollbar {
  display: none;
}

.page-home .rail-item {
  flex: 0 0 auto;
}

.page-home .rail-link {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 6px 10px 6px 9px;
  border-left: 2px solid var(--hair-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist-deep);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .rail-num {
  font-size: 11px;
  color: var(--mist);
}

.page-home .rail-link:hover,
.page-home .rail-link[aria-current="true"] {
  color: var(--ink);
  border-left-color: var(--gold);
}

.page-home .rail-link[aria-current="true"] .rail-num {
  color: var(--coral);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(26px, 5vw, 46px) 0 clamp(44px, 7vw, 84px);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  right: -8%;
  top: -14%;
  width: 62%;
  height: 82%;
  background: linear-gradient(150deg, rgba(240, 179, 60, 0.22), rgba(46, 158, 126, 0.06) 56%, rgba(6, 18, 29, 0) 80%);
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 64%);
  pointer-events: none;
}

.page-home .hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 44px);
}

.page-home .hero .breadcrumb {
  margin: 0 0 18px;
}

.page-home .hero .breadcrumb-item,
.page-home .hero .breadcrumb-link,
.page-home .hero .breadcrumb-sep {
  color: rgba(244, 238, 226, 0.6);
}

.page-home .hero .breadcrumb-link {
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 238, 226, 0.28);
}

.page-home .hero .breadcrumb-link:hover {
  color: var(--gold-hi);
  border-bottom-color: var(--gold);
}

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

.page-home .hero-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8.4vw, 72px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .hero-title-em {
  display: inline-block;
  color: var(--gold);
}

.page-home .hero-lead {
  margin: 20px 0 0;
  max-width: 36ch;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.78;
  color: rgba(244, 238, 226, 0.82);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 28px;
}

.page-home .hero-link {
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(244, 238, 226, 0.36);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .hero-link:hover {
  color: var(--gold-hi);
  border-bottom-color: var(--gold);
}

.page-home .hero-note {
  display: inline-block;
  margin: 26px 0 0;
  padding-top: 13px;
  border-top: 1px solid var(--hair-light);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .hero-visual {
  margin: 0;
  position: relative;
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  clip-path: polygon(0 9%, 100% 0, 100% 91%, 0 100%);
  background: var(--ink-deep);
}

.page-home .hero-visual figcaption {
  margin-top: 12px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: rgba(244, 238, 226, 0.55);
}

/* ---------- 通用章节头 ---------- */
.page-home .sec-head {
  max-width: 640px;
}

.page-home .sec-title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-home .sec-lead {
  margin: 0;
  max-width: 48ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--mist-deep);
}

/* ---------- 三条入口 ---------- */
.page-home .lines {
  padding: clamp(44px, 7vw, 92px) 0;
  background: var(--paper);
}

.page-home .lines-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-home .lines-list {
  display: grid;
}

.page-home .line-item {
  --line-accent: var(--gold);
  position: relative;
  padding: 22px 0 22px 18px;
  border-top: 1px solid var(--hair);
  box-shadow: inset 3px 0 0 var(--line-accent);
  transition: background-color 0.25s var(--ease);
}

.page-home .line-item--jade {
  --line-accent: var(--jade);
}

.page-home .line-item--coral {
  --line-accent: var(--coral);
}

.page-home .line-item:hover {
  background: var(--paper-2);
}

.page-home .line-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 26px);
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-home .line-desc {
  margin: 0;
  max-width: 50ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist-deep);
}

.page-home .line-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 14px 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist-deep);
}

.page-home .line-meta span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-home .line-meta span::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--line-accent);
}

.page-home .text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--gold);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  transition: gap 0.2s var(--ease), color 0.2s var(--ease);
}

.page-home .text-link::after {
  content: "→";
  font-family: var(--font-mono);
  font-weight: 500;
}

.page-home .text-link:hover {
  gap: 14px;
  color: var(--coral);
}

.page-home .lines-media {
  margin: 0;
  align-self: start;
}

.page-home .lines-media img {
  display: block;
  width: 100%;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 94%);
  background: var(--ink);
}

.page-home .lines-media figcaption {
  margin-top: 12px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist-deep);
}

/* ---------- 4 月调整 ---------- */
.page-home .update {
  position: relative;
  background: var(--paper-2);
  padding: clamp(48px, 7vw, 96px) 0;
  clip-path: polygon(0 32px, 100% 0, 100% 100%, 0 100%);
}

.page-home .update-grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-home .update-text {
  margin: 0 0 16px;
  max-width: 50ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--mist-deep);
}

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

.page-home .version-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist-deep);
}

.page-home .version-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(240, 179, 60, 0.24);
}

.page-home .version-list li:nth-child(2)::before {
  background: var(--coral);
  box-shadow: 0 0 0 3px rgba(226, 114, 74, 0.22);
}

.page-home .version-list li:nth-child(3)::before {
  background: var(--mist);
  box-shadow: 0 0 0 3px rgba(140, 154, 168, 0.22);
}

.page-home .version-key {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text);
}

.page-home .update-figure {
  margin: clamp(30px, 4vw, 46px) 0 0;
}

.page-home .update-figure img {
  display: block;
  width: 100%;
}

.page-home .update-figure figcaption {
  margin-top: 10px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist-deep);
}

/* ---------- 维护节奏数字条带 ---------- */
.page-home .scale {
  background: var(--ink-deep);
  color: var(--paper);
  padding: clamp(46px, 7vw, 94px) 0;
}

.page-home .scale-head {
  max-width: 620px;
}

.page-home .scale-head .eyebrow {
  color: var(--gold);
}

.page-home .scale-title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.2vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-home .scale-lead {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.8;
  color: rgba(244, 238, 226, 0.74);
}

.page-home .stat-row {
  display: grid;
  margin: clamp(30px, 4vw, 48px) 0 0;
  border-top: 1px solid var(--hair-light);
}

.page-home .stat {
  padding: 22px 0;
  border-bottom: 1px solid var(--hair-light);
}

.page-home .stat dt {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-home .stat dd {
  margin: 0 0 9px;
  display: flex;
  align-items: baseline;
}

.page-home .stat-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 5vw, 50px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-home .stat-unit {
  margin-left: 7px;
  font-size: 14px;
  color: rgba(244, 238, 226, 0.62);
}

.page-home .stat p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(244, 238, 226, 0.62);
}

/* ---------- 收藏之后 ---------- */
.page-home .next {
  position: relative;
  padding: clamp(46px, 7vw, 96px) 0;
  background: var(--paper);
}

.page-home .next-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-home .next-text {
  margin: 0 0 16px;
  max-width: 48ch;
  font-size: 16.5px;
  line-height: 1.82;
  color: var(--mist-deep);
}

.page-home .next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.page-home .next-note {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist-deep);
}

.page-home .next-note a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
}

.page-home .next-note a:hover {
  color: var(--coral);
}

.page-home .next-media {
  margin: 0;
}

.page-home .next-media img {
  display: block;
  width: 100%;
  clip-path: polygon(0 0, 100% 5%, 100% 100%, 0 95%);
  background: var(--ink);
}

.page-home .next-media figcaption {
  margin-top: 12px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist-deep);
}

/* ---------- 断点 ---------- */
@media (min-width: 740px) {
  .page-home .stat-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(26px, 4vw, 48px);
  }

  .page-home .stat:nth-last-child(-n + 2) {
    border-bottom: 0;
  }
}

@media (min-width: 900px) {
  .page-home .hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: clamp(30px, 4vw, 56px);
  }

  .page-home .lines-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-home .update-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-home .next-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }
}

@media (min-width: 1040px) {
  .page-home .stat-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .stat {
    border-bottom: 0;
    border-left: 1px solid var(--hair-light);
    padding: 24px clamp(14px, 2vw, 26px);
  }

  .page-home .stat:first-child {
    border-left: 0;
    padding-left: 0;
  }
}

@media (min-width: 1180px) {
  .page-home {
    padding-left: var(--rail);
  }

  .page-home .index-rail {
    position: fixed;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: var(--rail);
    z-index: 4;
    background: transparent;
    border-bottom: 0;
  }

  .page-home .rail-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 0;
    overflow: visible;
  }

  .page-home .rail-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
    padding: 2px 0 2px 12px;
    font-size: 11px;
    letter-spacing: 0.12em;
    white-space: normal;
  }

  .page-home .rail-num {
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .rail-link,
  .page-home .line-item,
  .page-home .text-link,
  .page-home .hero-link {
    transition: none;
  }
}