.page-home {
  --home-axis: var(--color-line);
  --home-panel-y: var(--space-3);
}

/* ============ HERO ============ */
.page-home .hero-home {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: calc(var(--section-y) * 0.62) var(--section-y);
}

.page-home .hero-wedge {
  position: absolute;
  inset: 0 auto auto 0;
  width: min(78%, 920px);
  height: 70%;
  background: linear-gradient(
    102deg,
    color-mix(in srgb, var(--color-primary) 68%, transparent) 0%,
    color-mix(in srgb, var(--color-primary) 20%, transparent) 56%,
    transparent 100%
  );
  clip-path: polygon(0 0, 100% 0, 64% 100%, 0 100%);
  pointer-events: none;
  z-index: -1;
}

.page-home .hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--color-contrast-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-contrast-line) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: 0.42;
  pointer-events: none;
  z-index: -1;
}

.page-home .hero-stack {
  position: relative;
  display: grid;
  gap: var(--space-6);
}

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

.page-home .hero-copy {
  display: grid;
  gap: var(--space-3);
  align-content: end;
}

.page-home .hero-kicker {
  margin: 0;
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-contrast-accent);
}

.page-home .hero-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.06;
  letter-spacing: -0.022em;
  color: var(--color-contrast-ink);
  text-wrap: balance;
}

.page-home .hero-lede {
  margin: 0;
  max-width: 52ch;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-home .hero-media {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--color-contrast-surface);
}

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

.page-home .hero-media-note {
  position: absolute;
  left: var(--space-3);
  bottom: var(--space-3);
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-contrast-ink);
}

/* --- 横向赛事时间轴 --- */
.page-home .race {
  border-top: var(--border-thin) solid var(--color-contrast-line);
  padding-top: var(--space-3);
}

.page-home .race-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
}

.page-home .race-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-home .race-hint {
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
}

.page-home .race-list {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(152px, 1fr);
  gap: var(--space-2);
  margin: 0;
  padding: var(--space-2) 0 var(--space-1);
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
}

.page-home .race-item {
  position: relative;
  min-width: 0;
  padding-top: var(--space-3);
  display: grid;
  gap: 4px;
  scroll-snap-align: start;
}

.page-home .race-item::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 0;
  right: calc(-1 * var(--space-2) - 1px);
  height: var(--border-thin);
  background: var(--color-contrast-line);
}

.page-home .race-item:last-child::before {
  right: 45%;
}

.page-home .race-node {
  position: absolute;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--color-contrast-ink);
}

.page-home .race-node--data {
  border-radius: 1px;
}

.page-home .race-node--accent {
  background: var(--color-contrast-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-contrast-accent) 24%, transparent);
}

.page-home .race-time {
  font-size: var(--text-xs);
  line-height: 1.1;
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.page-home .race-name {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-contrast-ink);
}

.page-home .race-state {
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-contrast-ink) 55%, transparent);
}

.page-home .race-state--live {
  color: var(--color-contrast-accent);
  font-weight: 500;
}

/* --- 四组数字 --- */
.page-home .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  padding-top: var(--space-4);
}

.page-home .hero-home .stat {
  display: grid;
  gap: 6px;
}

.page-home .hero-home .stat-value {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-contrast-ink);
}

.page-home .hero-home .stat-value em {
  font-size: var(--text-sm);
  font-style: normal;
  font-weight: 500;
  margin-left: 3px;
  color: color-mix(in srgb, var(--color-contrast-ink) 60%, transparent);
}

.page-home .hero-home .stat-label {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 66%, transparent);
}

@media (min-width: 760px) {
  .page-home .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-home .hero-home {
    padding-block: calc(var(--section-y-lg) * 0.7) var(--section-y-lg);
  }

  .page-home .hero-top {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
    gap: var(--space-6);
  }

  .page-home .hero-media {
    aspect-ratio: 3 / 2;
  }
}

/* ============ 老用户常用入口 ============ */
.page-home .archive-map {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .archive-row {
  display: grid;
  gap: 6px;
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) dotted var(--color-line);
}

.page-home .archive-slot {
  font-size: var(--text-sm);
  letter-spacing: 0.03em;
  color: var(--color-ink-muted);
}

.page-home .archive-slot--now {
  color: var(--color-primary);
}

.page-home .archive-arrow {
  font-size: var(--text-base);
  color: var(--color-accent);
  line-height: 1;
}

.page-home .archive-note {
  margin: 4px 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .archive-foot {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-home .archive-foot a,
.page-home .columns-foot a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-home .archive-foot a:hover,
.page-home .columns-foot a:hover {
  color: var(--color-accent);
}

@media (min-width: 860px) {
  .page-home .archive-row {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0 var(--space-4);
  }

  .page-home .archive-note {
    grid-column: 1 / -1;
    margin-top: calc(-1 * var(--space-2));
    padding-left: var(--space-4);
    border-left: var(--border-thick) solid var(--color-primary-soft);
  }
}

/* ============ 八栏赛事索引 ============ */
.page-home .column-index {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .column-card {
  position: relative;
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  border-left: var(--border-thick) solid var(--color-primary);
  transition: border-color 200ms ease-out, background-color 200ms ease-out;
}

.page-home .column-card--live {
  border-left-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-highlight) 42%, var(--color-surface));
}

.page-home .column-code {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-home .column-name {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .column-meta {
  margin: 0;
  display: grid;
  gap: 4px;
  border-top: var(--border-thin) dotted var(--color-line);
  padding-top: var(--space-1);
}

.page-home .column-meta > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
}

.page-home .column-meta dt {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-home .column-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-home .column-card .tag {
  justify-self: start;
}

.page-home .columns-foot {
  margin: var(--space-4) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

@media (min-width: 640px) {
  .page-home .column-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1020px) {
  .page-home .column-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .column-index .column-card:nth-child(5) {
    grid-column: span 2;
  }
}

/* ============ 双版本对照 ============ */
.page-home .compare {
  display: grid;
  gap: var(--space-4);
}

.page-home .compare-pane {
  display: grid;
  gap: var(--space-2);
  align-content: start;
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.page-home .compare-pane--current {
  border-color: color-mix(in srgb, var(--color-primary) 45%, var(--color-line));
  background: var(--color-primary-soft);
}

.page-home .compare-tag {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-home .compare-pane--current .compare-tag {
  color: var(--color-primary);
}

.page-home .compare-heading {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .compare-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-home .compare-list li {
  position: relative;
  padding-left: var(--space-3);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-ink-soft);
}

.page-home .compare-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--color-line);
}

.page-home .compare-pane--current .compare-list li::before {
  background: var(--color-primary);
}

.page-home .compare-media {
  margin: var(--space-1) 0 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--color-surface-deep);
}

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

.page-home .v4-card {
  margin-top: var(--space-4);
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border-left: var(--border-thick) solid var(--color-accent);
  background: var(--color-surface-alt);
  border-top: var(--border-thin) solid var(--color-line);
  border-right: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .v4-kicker {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.page-home .v4-title {
  margin: var(--space-1) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .v4-text {
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .v4-side {
  display: grid;
  gap: var(--space-2);
  align-content: start;
}

.page-home .v4-side .stat {
  display: grid;
  gap: 2px;
}

.page-home .v4-side .stat-value {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.05;
  color: var(--color-accent);
}

.page-home .v4-side .stat-label {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-home .v4-side .btn {
  justify-self: start;
}

@media (min-width: 860px) {
  .page-home .compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-home .v4-card {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--space-6);
    padding: var(--space-4) var(--space-6);
  }
}

/* ============ 更新节奏 ============ */
.page-home .rhythm-grid {
  display: grid;
  gap: var(--space-4);
}

.page-home .rhythm-list {
  position: relative;
  margin: 0;
  padding: 0 0 0 var(--space-4);
  list-style: none;
  border-left: var(--border-thin) solid var(--home-axis);
}

.page-home .rhythm-item {
  position: relative;
  padding-bottom: var(--space-4);
}

.page-home .rhythm-item:last-child {
  padding-bottom: 0;
}

.page-home .rhythm-item .timeline-node {
  position: absolute;
  left: calc(-1 * var(--space-4) - 5px);
  top: 4px;
}

.page-home .rhythm-item .timeline-meta {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-home .rhythm-item .timeline-title {
  margin: 4px 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .rhythm-item .timeline-text {
  margin: var(--space-1) 0 0;
  max-width: 56ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .rhythm-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 3 / 2;
  background: var(--color-surface-deep);
}

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

.page-home .rhythm-media .media-caption {
  position: absolute;
  left: var(--space-3);
  right: var(--space-3);
  bottom: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
}

.page-home .quote-block p {
  margin: 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

@media (min-width: 900px) {
  .page-home .rhythm-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: var(--space-6);
    align-items: start;
  }
}

/* ============ 下一步去向 ============ */
.page-home .next .section-title,
.page-home .next .lede {
  color: var(--color-contrast-ink);
}

.page-home .next .lede {
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
}

.page-home .next .eyebrow {
  color: var(--color-contrast-accent);
}

.page-home .next-grid {
  display: grid;
  gap: var(--space-3);
}

.page-home .next-path {
  display: grid;
  gap: var(--space-2);
  align-content: start;
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-contrast-ink) 6%, transparent);
}

.page-home .next-kicker {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
}

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

.page-home .next-text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

.page-home .next-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  border-top: var(--border-thin) dotted var(--color-contrast-line);
  padding-top: var(--space-2);
}

.page-home .next-links a {
  display: inline-block;
  font-size: var(--text-base);
  color: var(--color-contrast-ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  text-decoration-color: var(--color-contrast-line);
  transition: color 180ms ease-out, text-decoration-color 180ms ease-out;
}

.page-home .next-links a:hover {
  color: var(--color-contrast-accent);
  text-decoration-color: var(--color-contrast-accent);
}

.page-home .next-aux {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin: var(--space-4) 0 0;
  padding: var(--space-3) 0 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .next-aux-link {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
  padding-bottom: 2px;
  transition: border-color 180ms ease-out, color 180ms ease-out;
}

.page-home .next-aux-link:hover {
  color: var(--color-contrast-accent);
  border-bottom-color: var(--color-contrast-accent);
}

@media (min-width: 820px) {
  .page-home .next-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }
}

/* ============ 焦点可见性 ============ */
.page-home a:focus-visible,
.page-home .btn:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 3px;
}