.page-home {
  display: block;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.85;
}

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

.page-home .mono {
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

/* ---------- 章节索引（移动端为横滑条，桌面端为左侧框） ---------- */

.page-home .home-rail {
  padding: 16px 20px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--sage);
  text-transform: uppercase;
}

.page-home .home-rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 14px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-home .home-rail-list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--sand);
  color: var(--ink);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
}

.page-home .home-rail-list a .mono {
  font-size: 11px;
  color: var(--amber);
}

.page-home .home-rail-top {
  display: none;
}

/* ---------- 主内容流 ---------- */

.page-home .home-flow {
  padding: 22px 20px 72px;
  min-width: 0;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  padding: 26px 20px 30px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 92% at 92% 2%, rgba(247, 194, 91, .55), rgba(247, 194, 91, 0) 62%),
    radial-gradient(96% 74% at 4% 98%, rgba(251, 227, 188, .8), rgba(251, 227, 188, 0) 62%),
    var(--paper);
  overflow: hidden;
}

.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  font-size: 12px;
  color: var(--sage);
}

.page-home .home-brand {
  color: var(--ink);
  font-weight: 700;
}

.page-home .home-hero-grid {
  display: grid;
  gap: 26px;
}

.page-home .home-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
  padding: 7px 14px;
  border: 1px solid rgba(185, 138, 46, .38);
  border-radius: 999px;
  background: rgba(253, 248, 240, .78);
  color: var(--amber);
  font-size: 12px;
}

.page-home .home-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--apricot);
  box-shadow: 0 0 0 3px rgba(240, 138, 36, .18);
}

.page-home h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 56px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-home .home-lede {
  max-width: 36em;
  margin: 0 0 26px;
  font-size: 16px;
  color: var(--moss);
}

.page-home .home-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 20px;
  margin: 0 0 26px;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-soft);
  list-style: none;
}

.page-home .home-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--apricot);
}

.page-home .home-stat-label {
  display: block;
  font-size: 13px;
  color: var(--sage);
}

.page-home .home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

.page-home .home-hero-media img {
  display: block;
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  object-fit: cover;
}

.page-home .home-caption {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--sage);
}

/* ---------- 章节地图 ---------- */

.page-home .home-map {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
}

.page-home .home-map-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--sage);
  text-transform: uppercase;
}

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

.page-home .home-map-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 2px 12px;
  padding: 15px 2px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-home .home-map-no {
  font-size: 15px;
  font-weight: 700;
  color: var(--apricot-yellow);
  line-height: 1.7;
}

.page-home .home-map-head {
  margin: 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
}

.page-home .home-map-head a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid rgba(240, 138, 36, .35);
}

.page-home .home-map-head a:hover {
  color: var(--apricot);
  border-bottom-color: var(--apricot);
}

.page-home .home-map-desc {
  margin: 2px 0 0;
  font-size: 14px;
  color: var(--moss);
}

/* ---------- 区块通用 ---------- */

.page-home .home-section {
  margin-top: 62px;
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-home .home-head {
  position: relative;
  padding-right: 26px;
  margin-bottom: 16px;
}

.page-home .home-num {
  display: block;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--apricot);
}

.page-home .home-heading {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 5vw, 36px);
  line-height: 1.3;
  letter-spacing: -.005em;
  color: var(--ink);
}

.page-home .home-note {
  position: absolute;
  right: 0;
  top: 4px;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--sage);
}

.page-home .home-summary {
  margin: 0 0 24px;
  padding: 14px 18px;
  border-left: 3px solid var(--apricot);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--sand);
  font-size: 15px;
  line-height: 1.8;
  color: var(--moss);
}

.page-home .home-summary strong {
  color: var(--ink);
}

/* ---------- 01 活动周期 ---------- */

.page-home .home-cycle-media {
  margin: 0 0 24px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(29, 59, 49, .1);
}

.page-home .home-cycle-media img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-home .home-cycle-media .home-caption {
  margin: 0;
  padding: 9px 14px;
  background: var(--sand);
}

.page-home .home-filter {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-home .home-filter-label {
  margin: 0 4px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--sage);
  text-transform: uppercase;
}

.page-home .filter-btn {
  padding: 7px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--moss);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  cursor: pointer;
}

.page-home .filter-btn[aria-pressed="true"] {
  background: var(--apricot);
  border-color: var(--apricot);
  color: #fff;
}

.page-home .home-filter-count {
  margin-left: auto;
  font-size: 12px;
  color: var(--amber);
}

.page-home .cycle-track {
  position: relative;
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
  border-left: 2px solid rgba(29, 59, 49, .16);
}

.page-home .cycle-node {
  position: relative;
  padding: 0 0 26px 2px;
}

.page-home .cycle-node::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 9px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--apricot);
  box-shadow: 0 0 0 4px rgba(247, 194, 91, .35);
}

.page-home .cycle-node:last-child {
  padding-bottom: 0;
}

.page-home .cycle-when {
  margin: 0 0 4px;
  font-size: 12px;
  color: var(--amber);
}

.page-home .cycle-name {
  margin: 0 0 4px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-home .cycle-desc {
  margin: 0;
  font-size: 14px;
  color: var(--moss);
}

/* ---------- 02 版本对照 ---------- */

.page-home .change-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--moss);
}

.page-home .change-legend li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-home .change-key {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.page-home .change-key--new { background: var(--coral); }
.page-home .change-key--merge { background: var(--apricot); }
.page-home .change-key--rename { background: var(--apricot-yellow); }
.page-home .change-key--off { background: var(--sage); }

.page-home .compare-grid {
  display: grid;
  gap: 24px;
}

.page-home .home-compare-media {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(29, 59, 49, .1);
  box-shadow: var(--shadow-soft);
}

.page-home .home-compare-media img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-home .home-compare-media .home-caption {
  margin: 0;
  padding: 9px 14px;
  background: var(--sand);
}

.page-home .compare-item {
  margin-bottom: 10px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.page-home .compare-item summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
}

.page-home .compare-item summary::-webkit-details-marker {
  display: none;
}

.page-home .compare-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--apricot);
}

.page-home .compare-item[open] summary::after {
  content: "−";
}

.page-home .compare-no {
  font-size: 12px;
  color: var(--amber);
}

.page-home .compare-name {
  flex: 1 1 auto;
  min-width: 0;
}

.page-home .compare-item .tag {
  flex: 0 0 auto;
  font-size: 11px;
}

.page-home .compare-item .disclosure-body {
  padding: 4px 16px 16px;
  border-top: 1px dashed var(--line-soft);
}

.page-home .compare-row {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 10px;
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

.page-home .compare-key {
  font-size: 12px;
  color: var(--amber);
  padding-top: 3px;
}

/* ---------- 03 常用分类记录 ---------- */

.page-home .home-records-banner {
  margin: 0 0 26px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.page-home .home-records-banner img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.page-home .record-list {
  display: grid;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-home .record-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 2px 12px;
  padding: 13px 2px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-home .record-rank {
  grid-row: 1 / span 2;
  font-size: 15px;
  font-weight: 700;
  color: var(--amber);
  line-height: 1.7;
}

.page-home .record-name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}

.page-home .record-note {
  grid-column: 2;
  margin: 0;
  font-size: 13px;
  color: var(--sage);
}

.page-home .home-records-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
}

.page-home .home-records-note {
  margin: 0;
  font-size: 12px;
  color: var(--sage);
}

/* ---------- 04 适配与收藏 ---------- */

.page-home .fit-grid {
  display: grid;
  gap: 20px;
  margin-bottom: 22px;
}

.page-home .fit-card {
  padding: 24px 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.page-home .fit-card--warm {
  background: linear-gradient(158deg, rgba(251, 227, 188, .95), rgba(247, 194, 91, .5) 72%, rgba(240, 138, 36, .22));
  border-color: rgba(240, 138, 36, .28);
}

.page-home .fit-card-meta {
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--amber);
}

.page-home .fit-card-title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-home .fit-card-text {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--moss);
}

.page-home .fit-items {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--moss);
}

.page-home .fit-items li {
  display: flex;
  gap: 10px;
  padding: 9px 0;
  border-top: 1px dashed rgba(29, 59, 49, .16);
}

.page-home .fit-items li .mono {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--amber);
}

.page-home .fit-items--plain {
  padding-left: 18px;
  list-style: disc;
}

.page-home .fit-items--plain li {
  display: list-item;
  border-top: 0;
  padding: 5px 0;
}

.page-home .path-note {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: var(--sand);
}

.page-home .path-note-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.page-home .path-note-text {
  margin: 0;
  font-size: 14px;
  color: var(--moss);
}

.page-home .path-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .path-links a {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
}

.page-home .path-links a:hover {
  border-color: var(--apricot);
  color: var(--apricot);
}

/* ---------- 05 咨询 ---------- */

.page-home .start-grid {
  display: grid;
  gap: 18px;
  margin-bottom: 22px;
}

.page-home .start-card {
  padding: 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--paper);
}

.page-home .start-card p {
  margin: 0;
  font-size: 14px;
  color: var(--moss);
}

.page-home .start-card-meta {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--amber);
}

.page-home .start-card-title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-home .start-card--dark {
  background: var(--ink);
  border-color: var(--ink);
}

.page-home .start-card--dark .start-card-meta {
  color: var(--apricot-yellow);
}

.page-home .start-card--dark .start-card-title {
  color: var(--paper);
}

.page-home .start-card--dark p {
  color: rgba(253, 248, 240, .82);
}

.page-home .home-start-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
}

.page-home .home-start-note {
  margin: 0;
  font-size: 13px;
  color: var(--sage);
}

.page-home .home-start-note a {
  color: var(--apricot);
}

/* ---------- 平板及以上 ---------- */

@media (min-width: 640px) {
  .page-home .home-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .record-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 30px;
  }

  .page-home .home-map-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

@media (min-width: 860px) {
  .page-home .home-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 40px;
    align-items: center;
  }

  .page-home .compare-grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 34px;
    align-items: start;
  }

  .page-home .compare-list {
    margin-top: 24px;
  }

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

  .page-home .cycle-track {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px 26px;
    padding: 34px 0 0;
    border-left: 0;
    border-top: 2px solid rgba(29, 59, 49, .16);
  }

  .page-home .cycle-node {
    padding: 0;
  }

  .page-home .cycle-node::before {
    left: 0;
    top: -42px;
  }

  .page-home .cycle-node:last-child {
    padding-bottom: 0;
  }
}

/* ---------- 桌面端：章节索引成为左侧框 ---------- */

@media (min-width: 1080px) {
  .page-home {
    display: grid;
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 38px;
    align-items: start;
    max-width: 1340px;
    margin: 0 auto;
    padding: 0 40px;
  }

  .page-home .home-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    padding: 46px 20px 0 0;
    border-bottom: 0;
    border-right: 1px solid var(--line-soft);
  }

  .page-home .home-rail-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 22px;
  }

  .page-home .home-rail-list a {
    border: 0;
    background: transparent;
    border-radius: var(--radius-sm);
    padding: 9px 10px;
    font-size: 13px;
  }

  .page-home .home-rail-list a:hover {
    background: var(--sand);
  }

  .page-home .home-rail-top {
    display: inline-block;
    margin-top: 8px;
    padding: 8px 13px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--paper);
    color: var(--moss);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .04em;
    cursor: pointer;
  }

  .page-home .home-rail-top:hover {
    border-color: var(--apricot);
    color: var(--apricot);
  }

  .page-home .home-flow {
    padding: 46px 0 96px;
  }

  .page-home .home-section {
    margin-top: 96px;
  }

  .page-home .home-hero {
    padding: 34px 34px 38px;
  }

  .page-home .cycle-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px 30px;
  }

  .page-home .home-records-banner img {
    aspect-ratio: 21 / 6;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-map-head a,
  .page-home .path-links a,
  .page-home .filter-btn {
    transition: none;
  }
}