/* =========================================================
   首页 · page-home
   色区节奏：浅色渐变首屏（含深色数据舱）→ 浅底能力区
   → 交替底赛季轨道 → 浅底联赛索引 → 交替底双栏 → 渐变收口
   ========================================================= */

.page-home {
  display: block;
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  padding: var(--section-y-lg) 0 var(--section-y);
  background: linear-gradient(
    180deg,
    var(--color-primary-soft) 0%,
    var(--color-highlight) 28%,
    var(--color-surface) 76%
  );
  overflow: hidden;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    62% 58% at 92% 2%,
    color-mix(in srgb, var(--color-primary) 15%, transparent) 0%,
    transparent 72%
  );
  pointer-events: none;
}

.page-home .hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-6);
  align-items: start;
}

.page-home .hero-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

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

.page-home .hero-lede {
  margin: var(--space-3) 0 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: 46ch;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* 深色数据舱 */
.page-home .hero-deck {
  position: relative;
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background-image: radial-gradient(
    130% 94% at 100% 0%,
    color-mix(in srgb, var(--color-contrast-accent) 14%, transparent) 0%,
    transparent 64%
  );
  box-shadow: var(--shadow-2);
}

.page-home .hero-deck .plate {
  margin: 0;
}

.page-home .deck-rail {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: calc(var(--space-1) * 2);
  margin-top: var(--space-3);
}

.page-home .deck-rail .rail-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: var(--border-thin);
  background: var(--color-contrast-line);
}

.page-home .deck-rail .rail-node {
  position: relative;
  width: var(--space-1);
  height: var(--space-1);
  border-radius: var(--radius-pill);
  background: var(--color-contrast-line);
}

.page-home .deck-rail .rail-node--live {
  background: var(--color-contrast-accent);
  box-shadow: 0 0 0 calc(var(--space-1) / 2)
    color-mix(in srgb, var(--color-contrast-accent) 26%, transparent);
}

/* 关键数字组 */
.page-home .hero-stats {
  list-style: none;
  margin: 0;
  padding: var(--space-6) 0 0;
  border-top: var(--border-thin) solid var(--color-line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-3);
}

.page-home .hero-stats .stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}

.page-home .hero-stats .stat-label {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-ink-soft);
}

/* ---------- 通用区块头部 ---------- */

.page-home .block-head {
  max-width: 62ch;
}

.page-home .block-head .section-title {
  margin: var(--space-2) 0 0;
}

.page-home .block-head .section-lede {
  margin: var(--space-3) 0 0;
}

/* ---------- 能力区 ---------- */

.page-home .cap-grid {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-3);
}

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

.page-home .cap-card h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

.page-home .cap-foot {
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  color: var(--color-ink-muted);
}

/* 环形仪表 */
.page-home .gauge {
  position: relative;
  width: calc(var(--space-8) + var(--space-4));
  height: calc(var(--space-8) + var(--space-4));
  flex: none;
}

.page-home .gauge svg {
  display: block;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.page-home .gauge-track {
  fill: none;
  stroke: var(--color-surface-deep);
  stroke-width: 7;
}

.page-home .gauge-arc {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 7;
  stroke-linecap: round;
  stroke-dasharray: 264;
}

.page-home .cap-card:nth-of-type(1) .gauge-arc {
  stroke-dashoffset: 40;
}

.page-home .cap-card:nth-of-type(2) .gauge-arc {
  stroke-dashoffset: 66;
}

.page-home .cap-card:nth-of-type(3) .gauge-arc {
  stroke-dashoffset: 92;
}

.page-home .gauge-num {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

.page-home .cap-plate {
  margin: var(--space-6) 0 0;
}

/* ---------- 赛季轴 ---------- */

.page-home .season-top {
  display: grid;
  gap: var(--space-6);
}

.page-home .season-top .plate {
  margin: 0;
}

.page-home .season-copy .section-title {
  margin: var(--space-2) 0 0;
}

.page-home .season-copy p {
  margin: var(--space-3) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: 58ch;
}

.page-home .season-rail-wrap {
  margin-top: var(--space-8);
  padding-bottom: var(--space-2);
  overflow-x: auto;
  overscroll-behavior-x: contain;
}

.page-home .season-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(11, minmax(6.5em, 1fr));
}

.page-home .season-node {
  position: relative;
  padding: var(--space-4) var(--space-2) 0 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .season-node::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: var(--space-1);
  height: var(--space-1);
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  transform: translateY(-50%);
}

.page-home .season-node--live::before {
  background: var(--color-accent);
  box-shadow: 0 0 0 calc(var(--space-1) / 2)
    color-mix(in srgb, var(--color-accent) 28%, transparent);
}

.page-home .season-year {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

.page-home .season-note {
  margin: var(--space-2) 0 0;
  font-size: var(--text-xs);
  line-height: 1.62;
  color: var(--color-ink-muted);
}

/* ---------- 联赛导航 ---------- */

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.page-home .league-grid {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-3);
}

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

.page-home .league-kind {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.page-home .league-name {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

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

.page-home .league-meta li {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-home .league-key {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  color: var(--color-ink-muted);
}

.page-home .league-val {
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

/* ---------- 手册与动态双栏 ---------- */

.page-home .duo {
  display: grid;
  gap: var(--space-8);
}

.page-home .duo-lede {
  margin: var(--space-3) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: 46ch;
}

.page-home .handbook-list {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
}

.page-home .handbook-item {
  padding: var(--space-3) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .handbook-item:last-child {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .handbook-item h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .handbook-item p {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  line-height: 1.72;
  color: var(--color-ink-soft);
}

.page-home .flow-list {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-home .flow-item {
  position: relative;
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  display: grid;
  gap: var(--space-1);
}

.page-home .flow-item::before {
  content: "";
  position: absolute;
  left: var(--space-2);
  top: var(--space-4);
  width: calc(var(--space-1) / 2);
  height: calc(var(--space-1) / 2);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

.page-home .flow-time {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  color: var(--color-primary);
}

.page-home .flow-item p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.72;
  color: var(--color-ink);
}

.page-home .text-link {
  display: inline-block;
  margin-top: var(--space-4);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 38%, transparent);
  padding-bottom: var(--border-thin);
}

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

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

/* ---------- 收口区 ---------- */

.page-home .next-plate {
  margin: 0 0 var(--space-6);
}

.page-home .next-grid {
  display: grid;
  gap: var(--space-6);
}

.page-home .next-copy .section-title {
  margin: var(--space-2) 0 0;
}

.page-home .next-copy > p {
  margin: var(--space-3) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: 52ch;
}

.page-home .next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

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

.page-home .next-links li {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .next-links li:last-child {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .next-links a {
  display: block;
  padding: var(--space-3) 0;
  font-size: var(--text-base);
  color: var(--color-ink);
  text-decoration: none;
}

.page-home .next-links a:hover {
  color: var(--color-primary);
}

.page-home .next-links a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.page-home .next-contact {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
  line-height: 1.82;
  color: var(--color-ink-soft);
}

.page-home .next-contact a {
  color: var(--color-primary);
  font-weight: var(--weight-heading);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-home .cap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-home .hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    grid-template-areas:
      "title title"
      "copy  deck"
      "stats stats";
    gap: var(--space-6);
  }

  .page-home .hero-title {
    grid-area: title;
  }

  .page-home .hero-copy {
    grid-area: copy;
  }

  .page-home .hero-deck {
    grid-area: deck;
  }

  .page-home .hero-stats {
    grid-area: stats;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .season-top {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: var(--space-8);
  }

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

  .page-home .next-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: var(--space-8);
  }
}

@media (min-width: 1040px) {
  .page-home .cap-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .league-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-home .league-grid > *:nth-child(1) {
    grid-column: span 7;
  }

  .page-home .league-grid > *:nth-child(2) {
    grid-column: span 5;
  }

  .page-home .league-grid > *:nth-child(3) {
    grid-column: span 5;
  }

  .page-home .league-grid > *:nth-child(4) {
    grid-column: span 7;
  }

  .page-home .league-grid > *:nth-child(5) {
    grid-column: span 6;
  }

  .page-home .league-grid > *:nth-child(6) {
    grid-column: span 6;
  }
}

@media (max-width: 420px) {
  .page-home .hero-stats {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .season-rail {
    grid-template-columns: repeat(11, minmax(8em, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .gauge-arc,
  .page-home .hero-deck,
  .page-home .card {
    transition: none;
  }
}