.page-home {
  display: block;
  background: var(--color-surface);
  color: var(--color-ink);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--space-8) * 1.2) 0 var(--space-6);
  border-bottom: var(--border-thin) solid var(--color-line);
  background:
    radial-gradient(120% 85% at 82% 0%, color-mix(in srgb, var(--color-primary) 26%, transparent) 0%, transparent 62%),
    var(--color-surface);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
  opacity: 0.36;
  filter: saturate(0.45) contrast(1.06) brightness(0.72);
}

.page-home .hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--color-surface) 62%, transparent) 0%,
      color-mix(in srgb, var(--color-surface) 88%, transparent) 55%,
      var(--color-surface) 100%);
}

.page-home .hero__inner {
  position: relative;
}

.page-home .hero__kicker {
  margin: 0 0 var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-home .hero__title {
  margin: 0;
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  max-width: 16ch;
}

.page-home .hero__lede {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  color: var(--color-ink-soft);
}

.page-home .hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.page-home .hero__stats .stat {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 0 var(--space-1);
  padding: var(--space-2) var(--space-2) var(--space-3);
  background: color-mix(in srgb, var(--color-surface-alt) 86%, transparent);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 30%, transparent);
  border-radius: var(--radius-md);
  box-shadow: 0 0 20px color-mix(in srgb, var(--color-accent) 10%, transparent);
}

.page-home .hero__stats .stat__value {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  line-height: 1;
  font-weight: var(--weight-heading);
  letter-spacing: -0.03em;
  color: var(--color-accent);
}

.page-home .hero__stats .stat__unit {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-home .hero__stats .stat__label {
  grid-column: 1 / -1;
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-ink-soft);
}

/* ---------- 章节索引 ---------- */
.page-home .home-index {
  display: flex;
  flex-wrap: wrap;
  background: var(--color-surface);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .home-index a {
  flex: 1 1 auto;
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-right: var(--border-thin) solid var(--color-line);
  color: var(--color-ink-soft);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color 0.2s ease, background-color 0.2s ease;
}

.page-home .home-index a .mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
}

.page-home .home-index a:hover {
  color: var(--color-ink);
  background: color-mix(in srgb, var(--color-primary) 14%, transparent);
}

.page-home .home-index a[aria-current="true"] {
  color: var(--color-ink);
  background: var(--color-primary-soft);
}

.page-home .home-index a[aria-current="true"] .mono {
  color: var(--color-accent);
}

.page-home .home-index a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -2px;
}

/* ---------- 通用区块 ---------- */
.page-home .home-section {
  padding: calc(var(--section-y) * 0.62) 0;
}

.page-home .home-section--alt {
  background: var(--color-surface-alt);
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .text-link {
  display: inline-block;
  margin-top: var(--space-2);
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 55%, transparent);
  padding-bottom: 2px;
  font-size: var(--text-sm);
}

.page-home .text-link:hover {
  border-bottom-color: var(--color-focus);
  color: var(--color-focus);
}

.page-home .text-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 时间轴 ---------- */
.page-home .timeline-panel {
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-3) var(--space-2);
  overflow: hidden;
}

.page-home .timeline__scroll {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
}

.page-home .timeline {
  position: relative;
  display: flex;
  align-items: flex-start;
  margin: 0;
  padding: var(--space-1) 0 0;
  list-style: none;
  min-width: 1060px;
}

.page-home .timeline__tick {
  position: relative;
  flex: 1 1 0;
  min-width: 42px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding-block: var(--space-1);
  cursor: default;
}

.page-home .timeline__code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1;
  color: var(--color-ink-soft);
}

.page-home .timeline__tick::before {
  content: "";
  position: absolute;
  top: 30px;
  left: 0;
  right: 0;
  height: var(--border-thin);
  background: var(--color-line);
  z-index: 0;
}

.page-home .timeline__tick:first-child::before {
  left: 50%;
}

.page-home .timeline__tick:last-child::before {
  right: 50%;
}

.page-home .timeline__dot {
  position: relative;
  z-index: 1;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-surface-deep);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--color-primary) 60%, transparent);
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.page-home .timeline__tick[data-season-note] .timeline__dot {
  background: var(--color-accent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--color-accent) 55%, transparent);
}

.page-home .timeline__tick[data-season-note]:hover .timeline__dot,
.page-home .timeline__tick[data-season-note]:focus-visible .timeline__dot {
  transform: scale(1.7);
}

.page-home .timeline__tick:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.page-home .timeline__tick::after {
  content: attr(data-season-note);
  position: absolute;
  top: 46px;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  width: 190px;
  padding: var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-surface-deep);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 34%, transparent);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-1);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}

.page-home .timeline__tick:nth-child(-n + 4)::after {
  left: 0;
  transform: translateY(-4px);
}

.page-home .timeline__tick:nth-last-child(-n + 4)::after {
  left: auto;
  right: 0;
  transform: translateY(-4px);
}

.page-home .timeline__tick[data-season-note]:hover::after,
.page-home .timeline__tick[data-season-note]:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.page-home .timeline__tick:nth-child(-n + 4)[data-season-note]:hover::after,
.page-home .timeline__tick:nth-child(-n + 4)[data-season-note]:focus-visible::after,
.page-home .timeline__tick:nth-last-child(-n + 4)[data-season-note]:hover::after,
.page-home .timeline__tick:nth-last-child(-n + 4)[data-season-note]:focus-visible::after {
  transform: translateY(0);
}

.page-home .timeline-aside {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .timeline-aside__text p {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .timeline-aside__title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

/* ---------- 图片通用 ---------- */
.page-home .figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-deep);
}

.page-home .figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.55) contrast(1.05) brightness(0.86);
}

/* ---------- 指标卡 ---------- */
.page-home .metric-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-home .metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-3);
  border-radius: var(--radius-lg);
}

.page-home .metric__tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-accent);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 38%, transparent);
  border-radius: var(--radius-pill);
  padding: 3px var(--space-2);
}

.page-home .metric__title {
  margin: 0;
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .metric__ask {
  margin: 0;
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-primary);
}

.page-home .metric__body {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .metric__points {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-home .metric__points li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 6px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-primary) 75%, transparent);
}

/* 角球数：横向分布轴 */
.page-home .viz--scale {
  position: relative;
  height: 42px;
  margin-top: var(--space-1);
}

.page-home .viz__axis {
  position: absolute;
  top: 20px;
  left: 0;
  right: 0;
  height: var(--border-thin);
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--color-accent) 60%, transparent),
    color-mix(in srgb, var(--color-primary) 60%, transparent),
    color-mix(in srgb, var(--color-line) 100%, transparent));
}

.page-home .viz__mark {
  position: absolute;
  top: 15px;
  width: 4px;
  height: 12px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--color-accent) 55%, transparent);
}

.page-home .viz__mark:nth-child(2) { left: 18%; }
.page-home .viz__mark:nth-child(3) { left: 47%; }
.page-home .viz__mark:nth-child(4) { left: 79%; }

/* 首发轮换：人次阶梯 */
.page-home .viz--steps {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 54px;
  margin-top: var(--space-1);
}

.page-home .viz__step {
  flex: 1 1 0;
  border-radius: var(--radius-sm) var(--radius-sm) 2px 2px;
  background: color-mix(in srgb, var(--color-primary) 55%, transparent);
}

.page-home .viz__step:nth-child(1) { height: 34%; }
.page-home .viz__step:nth-child(2) { height: 52%; }
.page-home .viz__step:nth-child(3) { height: 76%; background: color-mix(in srgb, var(--color-accent) 60%, transparent); }
.page-home .viz__step:nth-child(4) { height: 100%; background: color-mix(in srgb, var(--color-accent) 88%, transparent); }

/* 传球成功率：环形 */
.page-home .viz--ring {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: 54px;
  margin-top: var(--space-1);
}

.page-home .viz--ring svg {
  width: 54px;
  height: 54px;
  transform: rotate(-90deg);
}

.page-home .viz__ring-track {
  fill: none;
  stroke: var(--color-line);
  stroke-width: 3;
}

.page-home .viz__ring-arc {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 74 100;
}

.page-home .viz__ring-cap {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  color: var(--color-accent);
}

.page-home .metrics-figure {
  margin-top: var(--space-6);
}

.page-home .metrics-note {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .metrics-note p {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .metrics-note .text-link {
  justify-self: start;
}

/* ---------- 反白数据带 ---------- */
.page-home .home-band {
  padding: var(--space-6) 0;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .home-band__inner {
  display: grid;
  gap: var(--space-4);
}

.page-home .home-band__kicker {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-contrast-accent);
}

.page-home .home-band__title {
  margin: 0;
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-ink);
}

.page-home .home-band__list {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-band__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-2);
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-home .home-band__list .mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-contrast-accent);
}

/* ---------- 三层入口 ---------- */
.page-home .tier-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-home .tier {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-3) var(--space-3);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-home .tier::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--border-thick);
  background: linear-gradient(90deg,
    var(--color-accent) 0%,
    color-mix(in srgb, var(--color-primary) 70%, transparent) 45%,
    transparent 100%);
}

.page-home .tier__rank {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-primary);
}

.page-home .tier__name {
  margin: 0;
  font-size: var(--text-3xl);
  line-height: 1;
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .tier__meta {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-home .tier__meta .mono {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-accent);
}

.page-home .tier__desc {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .tiers-foot {
  margin: var(--space-4) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 下一步 ---------- */
.page-home .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-home .next-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-3);
  border-radius: var(--radius-lg);
}

.page-home .next-card__num {
  font-family: var(--font-mono);
  font-size: var(--text-4xl);
  line-height: 1;
  font-weight: var(--weight-heading);
  color: color-mix(in srgb, var(--color-primary) 82%, transparent);
}

.page-home .next-card__title {
  margin: 0;
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .next-card__body {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .next-card .btn {
  align-self: flex-start;
  margin-top: var(--space-1);
}

.page-home .next-also {
  display: grid;
  gap: 0;
  margin-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .next-also__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-2);
  align-items: baseline;
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  color: var(--color-ink-soft);
  text-decoration: none;
  font-size: var(--text-base);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-home .next-also__item .mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
}

.page-home .next-also__item:hover {
  color: var(--color-ink);
  padding-left: var(--space-2);
}

.page-home .next-also__item:hover .mono {
  color: var(--color-accent);
}

.page-home .next-also__item:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- 品牌收口 ---------- */
.page-home .home-brand {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .home-brand__inner {
  display: grid;
  gap: var(--space-4);
}

.page-home .home-brand__title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .home-brand__text p {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .home-brand__links {
  display: grid;
  gap: 0;
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .home-brand__links li {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .home-brand__links a {
  display: block;
  padding: var(--space-2) 0;
  color: var(--color-ink);
  text-decoration: none;
  font-size: var(--text-base);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-home .home-brand__links a::before {
  content: "→";
  margin-right: var(--space-2);
  color: var(--color-accent);
  font-family: var(--font-mono);
}

.page-home .home-brand__links a:hover {
  color: var(--color-accent);
  padding-left: var(--space-1);
}

.page-home .home-brand__links a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-home .metrics-note .text-link {
    grid-column: 1 / -1;
  }

  .page-home .timeline-aside {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: var(--space-4);
  }
}

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

  .page-home .home-band {
    padding: var(--space-8) 0;
  }

  .page-home .home-band__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-6);
    align-items: start;
  }

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

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

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

  .page-home .home-brand__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: var(--space-6);
  }

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

@media (min-width: 1024px) {
  .page-home .hero {
    padding: calc(var(--space-8) * 1.8) 0 calc(var(--space-8) * 1.2);
  }

  .page-home .hero__stats {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (hover: hover) and (min-width: 900px) {
  .page-home .timeline__scroll {
    padding-bottom: 110px;
  }
}

@media (max-width: 480px) {
  .page-home .home-index a {
    flex: 1 1 50%;
    border-bottom: var(--border-thin) solid var(--color-line);
  }

  .page-home .home-index a:nth-child(2n) {
    border-right: 0;
  }

  .page-home .home-index a:last-child {
    border-bottom: 0;
  }
}
<<<END>>>