.page-home {
  --home-radius: var(--radius);
}

.page-home [id] {
  scroll-margin-top: calc(var(--bar-h) + 18px);
}

.page-home .section {
  padding: 54px 0;
  border-top: 1px solid var(--rule);
}

.page-home .section:first-of-type {
  padding-top: 44px;
  border-top: 0;
}

/* ============ 首屏 ============ */

.page-home .hero {
  padding: 34px 0 10px;
}

.page-home .hero__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-home .hero__title {
  margin: 16px 0 0;
  max-width: 20em;
  font-size: clamp(30px, 7.2vw, 62px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-home .hero__lede {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 34px;
}

.page-home .hero__toc {
  order: 1;
}

.page-home .hero__stat {
  order: 2;
}

.page-home .hero__figure {
  order: 3;
}

.page-home .hero__toc-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-home .hero__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .toc-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 10px 12px 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  color: var(--ink);
  transition: background-color 0.22s var(--ease), padding-left 0.22s var(--ease);
}

.page-home .toc-item:hover,
.page-home .toc-item:focus-visible {
  background: var(--paper-2);
  padding-left: 12px;
}

.page-home .toc-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-home .toc-item__body {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 12px;
}

.page-home .toc-item__title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-home .toc-item__desc {
  font-size: 13px;
  color: var(--muted);
}

.page-home .hero__stat,
.page-home .metric-panel,
.page-home .channel-side {
  position: relative;
  background: var(--panel);
  color: var(--paper);
  border-radius: var(--home-radius);
  padding: 22px 20px 24px;
}

.page-home .hero__stat::before,
.page-home .metric-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  background: var(--fluoro);
  border-radius: 0 2px 2px 0;
}

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

.page-home .hero__stats {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-home .hstat {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-home .hstat__num {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(34px, 9vw, 52px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--fluoro);
}

.page-home .hstat__unit {
  font-size: 13px;
  color: var(--paper);
  opacity: 0.78;
}

.page-home .hstat__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--paper);
  opacity: 0.58;
}

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

.page-home .hero__figure::after {
  content: "";
  position: absolute;
  top: 10px;
  right: 10px;
  width: 38px;
  height: 38px;
  border-top: 1px solid var(--accent);
  border-right: 1px solid var(--accent);
  pointer-events: none;
}

.page-home .hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid var(--rule);
  border-radius: var(--home-radius);
}

.page-home .hero__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ============ 01 四季节律 ============ */

.page-home .season-switch {
  position: relative;
  margin-top: 26px;
}

.page-home .season-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-home .season-switch__tabs {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .season-switch__tabs:focus-within {
  outline: 2px solid var(--winter);
  outline-offset: 6px;
}

.page-home .season-tab {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border: 1px solid var(--rule);
  border-bottom-width: 3px;
  border-radius: var(--home-radius) var(--home-radius) 0 0;
  background: var(--paper-2);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  cursor: pointer;
  transition: transform 0.22s var(--ease), background-color 0.22s var(--ease);
}

.page-home .season-tab--spring { border-bottom-color: var(--spring); }
.page-home .season-tab--summer { border-bottom-color: var(--summer); }
.page-home .season-tab--autumn { border-bottom-color: var(--autumn); }
.page-home .season-tab--winter { border-bottom-color: var(--winter); }

.page-home #planet-spring:checked ~ .season-switch__tabs .season-tab--spring,
.page-home #planet-summer:checked ~ .season-switch__tabs .season-tab--summer,
.page-home #planet-autumn:checked ~ .season-switch__tabs .season-tab--autumn,
.page-home #planet-winter:checked ~ .season-switch__tabs .season-tab--winter {
  background: var(--paper);
  transform: translateY(-2px);
}

.page-home .season-panel {
  display: none;
}

.page-home #planet-spring:checked ~ .season-switch__panels .season-panel--spring,
.page-home #planet-summer:checked ~ .season-switch__panels .season-panel--summer,
.page-home #planet-autumn:checked ~ .season-switch__panels .season-panel--autumn,
.page-home #planet-winter:checked ~ .season-switch__panels .season-panel--winter {
  display: block;
}

.page-home .season-panel {
  margin-top: -1px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--rule);
  border-radius: 0 0 var(--home-radius) var(--home-radius);
  padding: 18px 20px 20px;
}

.page-home .season-panel--spring { border-left-color: var(--spring); }
.page-home .season-panel--summer { border-left-color: var(--summer); }
.page-home .season-panel--autumn { border-left-color: var(--autumn); }
.page-home .season-panel--winter { border-left-color: var(--winter); }

.page-home .season-panel__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-home .season-panel p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

/* ============ 02 统计维度 ============ */

.page-home .metric-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 26px;
}

.page-home .metric-defs {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .mdef {
  padding: 14px 0 14px 16px;
  border-left: 3px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-home .mdef:last-child {
  border-bottom: 0;
}

.page-home .mdef:nth-child(4n + 1) { border-left-color: var(--spring); }
.page-home .mdef:nth-child(4n + 2) { border-left-color: var(--summer); }
.page-home .mdef:nth-child(4n + 3) { border-left-color: var(--autumn); }
.page-home .mdef:nth-child(4n + 4) { border-left-color: var(--winter); }

.page-home .mdef__name {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .mdef__desc {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .metric-panel {
  margin-top: 4px;
}

.page-home .metric-panel__fig {
  margin: 14px 0 0;
}

.page-home .metric-panel__fig img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--home-radius);
}

.page-home .metric-panel__cap {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--paper);
  opacity: 0.78;
}

.page-home .metric-panel__cap .u-link {
  color: var(--fluoro);
}

/* ============ 热区过渡带 ============ */

.page-home .field-band {
  padding: 40px 0;
  background: var(--paper-2);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-home .field-band__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

.page-home .field-band__fig {
  margin: 0;
}

.page-home .field-band__fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  border-radius: var(--home-radius);
}

.page-home .field-band__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-home .field-band__title {
  margin: 10px 0 0;
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-home .field-band__body p {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

/* ============ 03 赛事分层 ============ */

.page-home .tier-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-home .tier {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 6px 16px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}

.page-home .tier:first-child {
  border-top: 1px solid var(--rule);
}

.page-home .tier__code {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-home .tier__body {
  grid-column: 2;
}

.page-home .tier__name {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .tier__desc {
  margin: 6px 0 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .tier__tag {
  grid-column: 2;
  justify-self: start;
  margin-top: 4px;
}

/* ============ 04 逐轮推进 ============ */

.page-home .tl-wrap {
  margin-top: 24px;
  overflow-x: auto;
}

.page-home .tl {
  display: block;
  width: 100%;
  min-width: 560px;
  height: auto;
}

.page-home .tl-axis,
.page-home .tl-tick {
  stroke: var(--rule);
  stroke-width: 1;
}

.page-home .tl-node {
  stroke: var(--paper);
  stroke-width: 2;
}

.page-home .tl-node--spring { fill: var(--spring); }
.page-home .tl-node--summer { fill: var(--summer); }
.page-home .tl-node--autumn { fill: var(--autumn); }
.page-home .tl-node--winter { fill: var(--winter); }
.page-home .tl-node--live { fill: var(--accent); }

.page-home .tl-lab {
  font-family: var(--font-mono);
  font-size: 13px;
  fill: var(--muted);
  text-anchor: middle;
}

.page-home .tl-lab--start { text-anchor: start; }
.page-home .tl-lab--end { text-anchor: end; }

.page-home .cadence {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-home .cadence__item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.page-home .cadence__time {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--accent);
}

.page-home .cadence__txt {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-home .tl-figure {
  margin: 32px 0 0;
}

.page-home .tl-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  border-radius: var(--home-radius);
}

.page-home .tl-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--muted);
}

/* ============ 05 战报与动态 ============ */

.page-home .feed-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-home .feed-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}

.page-home .feed-item:first-child {
  border-top: 1px solid var(--rule);
}

.page-home .feed-item .tag {
  justify-self: start;
}

.page-home .feed-item__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .feed-item__desc {
  margin: 6px 0 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .feed-item__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-home .feed-more {
  margin: 28px 0 0;
}

/* ============ 06 勘误与联络 ============ */

.page-home .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 26px;
}

.page-home .channel-card {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--home-radius);
  padding: 22px 20px;
  box-shadow: 0 6px 10px rgba(30, 26, 22, 0.07);
}

.page-home .channel-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-home .channel-steps {
  margin: 14px 0 0;
  padding-left: 20px;
}

.page-home .channel-steps li {
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

.page-home .channel-card__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .channel-side__line {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin: 0 0 14px;
}

.page-home .channel-side__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.09em;
  color: var(--paper);
  opacity: 0.55;
}

.page-home .channel-side__val {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.55;
  color: var(--paper);
  word-break: break-word;
}

.page-home .channel-side__desc {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--paper);
  opacity: 0.64;
}

.page-home .channel-side__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 18px 0 0;
}

.page-home .channel-side__links .u-link {
  color: var(--fluoro);
}

/* ============ 桌面端 ============ */

@media (min-width: 480px) {
  .page-home .hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 22px;
  }
}

@media (min-width: 760px) {
  .page-home .feed-item {
    grid-template-columns: 88px minmax(0, 1fr) 190px;
    gap: 20px;
    align-items: baseline;
  }

  .page-home .feed-item__meta {
    justify-self: end;
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-home .section {
    padding: 78px 0;
  }

  .page-home .section:first-of-type {
    padding-top: 58px;
  }

  .page-home .hero {
    padding: 46px 0 18px;
  }

  .page-home .hero__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 26px 26px;
    align-items: start;
  }

  .page-home .hero__toc {
    grid-column: 1 / 7;
    grid-row: 1;
  }

  .page-home .hero__stat {
    grid-column: 1 / 7;
    grid-row: 2;
  }

  .page-home .hero__figure {
    grid-column: 7 / 13;
    grid-row: 1 / 3;
    align-self: start;
  }

  .page-home .metric-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 42px;
    align-items: start;
  }

  .page-home .metric-panel {
    margin-top: 0;
  }

  .page-home .metric-panel {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-home .field-band {
    padding: 58px 0;
  }

  .page-home .field-band__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 46px;
  }

  .page-home .tier {
    grid-template-columns: 64px minmax(0, 1fr) 150px;
    align-items: baseline;
    padding: 20px 0;
  }

  .page-home .tier__body {
    grid-column: 2;
  }

  .page-home .tier__tag {
    grid-column: 3;
    justify-self: end;
    margin-top: 0;
  }

  .page-home .channel-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 42px;
  }
}
<<<END>>>