.page-home {
  background: var(--night);
  color: var(--paper);
  overflow-x: clip;
}

/* ============ 首屏 ============ */
.page-home .hero {
  padding: clamp(34px, 5.5vw, 76px) 0 clamp(30px, 4.5vw, 60px);
  border-bottom: 1px solid var(--line);
}

.page-home .hero__context {
  margin: 0 0 clamp(20px, 3vw, 34px);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist-lift);
}

.page-home .hero__context .mono {
  color: var(--orange);
}

.page-home .hero__inner {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-home .hero__copy h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(36px, 7.4vw, 74px);
  line-height: 1.02;
  letter-spacing: -.015em;
  margin: 0 0 18px;
  color: var(--paper);
  max-width: 13em;
}

.page-home .hero__copy .lede {
  max-width: 34em;
  color: var(--mist-lift);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

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

.page-home .hero__band {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  margin-top: clamp(32px, 5vw, 58px);
  padding-top: clamp(16px, 2vw, 22px);
  border-top: 2px solid var(--cyan);
}

.page-home .hero__band-key {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-home .hero__band-label {
  font-size: 14px;
  color: var(--mist-lift);
  margin-right: clamp(4px, 1.6vw, 24px);
}

.page-home .hero__band-link {
  margin-left: auto;
  align-self: center;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: .02em;
  font-size: clamp(14px, 1.6vw, 18px);
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .hero__band-link:hover,
.page-home .hero__band-link:focus-visible {
  color: var(--amber);
  border-bottom-color: currentColor;
}

@media (min-width: 920px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

/* ============ 章节预览 ============ */
.page-home .chapters {
  background: var(--night);
}

.page-home .chapter-list {
  list-style: none;
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .chapter-item {
  border-bottom: 1px solid var(--line);
}

.page-home .chapter-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(14px, 2.4vw, 26px);
  padding: clamp(15px, 2.1vw, 22px) 2px;
  color: var(--paper);
  text-decoration: none;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .chapter-link:hover,
.page-home .chapter-link:focus-visible {
  color: var(--cyan);
  transform: translateX(6px);
}

.page-home .chapter-num {
  font-size: clamp(12px, 1.4vw, 15px);
  color: var(--orange);
  letter-spacing: .08em;
}

.page-home .chapter-body {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 16px;
  min-width: 0;
}

.page-home .chapter-text {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(18px, 2.4vw, 26px);
  letter-spacing: .01em;
}

.page-home .chapter-note {
  font-size: 14px;
  color: var(--mist-lift);
}

.page-home .chapter-arrow {
  font-size: 20px;
  color: var(--orange);
  transition: transform var(--dur) var(--ease);
}

.page-home .chapter-link:hover .chapter-arrow {
  transform: translateX(4px);
}

/* ============ 安装 ============ */
.page-home .install-grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  margin-top: clamp(26px, 3.6vw, 42px);
}

.page-home .install-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-home .install-step {
  border-top: 1px solid var(--line);
  padding-top: clamp(14px, 2vw, 20px);
}

.page-home .install-step__num {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-home .install-step h3 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(19px, 2.4vw, 24px);
  margin: 8px 0 8px;
  color: var(--paper);
}

.page-home .install-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist-lift);
}

.page-home .install-aside {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: clamp(20px, 2.6vw, 28px);
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .install-aside p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist-lift);
}

.page-home .install-aside .btn {
  justify-self: start;
}

@media (min-width: 720px) {
  .page-home .install-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-home .install-grid {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ============ 赛事轨道 ============ */
.page-home .tracks {
  border-top: 1px solid var(--line);
}

.page-home .tracks .page-shell {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-home .rail {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  border-top: 2px solid var(--cyan);
  padding-top: clamp(14px, 2vw, 20px);
  align-content: start;
}

.page-home .rail__figure {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-home .rail__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-home .rail__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--mist-lift);
  text-transform: uppercase;
}

.page-home .rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 10px 10px 8px;
  font-size: 15px;
  color: var(--mist-lift);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .rail__link:hover,
.page-home .rail__link:focus-visible {
  color: var(--paper);
  background: rgba(52, 231, 228, .06);
}

.page-home .rail__link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--rose);
  background: rgba(255, 77, 141, .07);
}

.page-home .rail__index {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-home .rail__more {
  justify-self: start;
  font-size: 14px;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease);
}

.page-home .rail__more:hover,
.page-home .rail__more:focus-visible {
  color: var(--amber);
}

.page-home .track-stack {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-home .track-card {
  border: 1px solid var(--line);
  background: var(--coal);
  padding: clamp(20px, 2.6vw, 30px);
  display: grid;
  gap: 12px;
  scroll-margin-top: 96px;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .track-card:hover {
  border-color: var(--edge);
  background: rgba(20, 22, 28, .96);
  transform: translateY(-2px);
}

.page-home .track-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-home .track-card__count {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-lift);
}

.page-home .track-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(19px, 2.4vw, 25px);
  color: var(--paper);
}

.page-home .track-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist-lift);
}

.page-home .track-card__tags {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .track-card__tags li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist-lift);
  border: 1px solid var(--line-soft);
  padding: 4px 9px;
}

@media (min-width: 1000px) {
  .page-home .tracks .page-shell {
    grid-template-columns: minmax(200px, 262px) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .rail {
    position: sticky;
    top: 96px;
  }
}

/* ============ 球员维度 ============ */
.page-home .players {
  border-top: 1px solid var(--line);
}

.page-home .players-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-home .players__figure {
  margin: 0;
}

.page-home .players__chart {
  border: 1px solid var(--line);
  background: var(--coal);
  padding: clamp(18px, 2.4vw, 26px);
  align-content: start;
}

.page-home .players__chart-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist-lift);
  text-transform: uppercase;
}

.page-home .dist-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .player-cards {
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-home .stat-card {
  border: 1px solid var(--line);
  background: var(--coal);
  padding: clamp(18px, 2.2vw, 24px);
  display: grid;
  gap: 8px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}

.page-home .stat-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur) var(--ease);
}

.page-home .stat-card:hover {
  border-color: var(--edge);
}

.page-home .stat-card:hover::before {
  transform: scaleY(1);
}

.page-home .stat-card__label {
  margin: 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist-lift);
}

.page-home .stat-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(30px, 3.6vw, 42px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-home .stat-card__sep {
  color: var(--orange);
  margin: 0 3px;
}

.page-home .stat-card__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-lift);
}

@media (min-width: 900px) {
  .page-home .players-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ============ 集锦节奏 ============ */
.page-home .highlights {
  border-top: 1px solid var(--line);
}

.page-home .timeline {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 2.8vw, 30px);
}

.page-home .timeline__item {
  position: relative;
  border-top: 1px solid var(--line);
  padding-top: clamp(16px, 2vw, 22px);
}

.page-home .timeline__item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 36px;
  height: 2px;
  background: var(--cyan);
}

.page-home .timeline__time {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-home .timeline__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--paper);
}

.page-home .timeline__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist-lift);
}

@media (min-width: 760px) {
  .page-home .timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ============ 版本归档 ============ */
.page-home .archive {
  border-top: 1px solid var(--line);
}

.page-home .archive-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-home .archive__figure {
  margin: 0;
}

.page-home .archive__copy p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist-lift);
}

.page-home .archive__ways {
  list-style: none;
  margin: clamp(18px, 2.4vw, 26px) 0;
  padding: clamp(14px, 2vw, 20px) 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
}

.page-home .archive__ways li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  color: var(--paper);
}

.page-home .archive__ways .mono {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-home .archive__copy .btn {
  margin-top: 4px;
}

@media (min-width: 900px) {
  .page-home .archive-grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }
}

/* ============ 焕新版 ============ */
.page-home .upgrade {
  background:
    radial-gradient(120% 130% at 88% 0%, rgba(52, 231, 228, .10), transparent 58%),
    var(--coal);
  border-top: 1px solid var(--line);
}

.page-home .upgrade-grid {
  display: grid;
  gap: clamp(20px, 2.8vw, 32px);
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-home .upgrade-item {
  border-top: 2px solid var(--cyan);
  padding-top: clamp(14px, 2vw, 20px);
}

.page-home .upgrade-item__num {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--rose);
}

.page-home .upgrade-item h3 {
  margin: 8px 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(19px, 2.2vw, 23px);
  color: var(--paper);
}

.page-home .upgrade-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist-lift);
}

@media (min-width: 820px) {
  .page-home .upgrade-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ============ 反馈 ============ */
.page-home .feedback {
  border-top: 1px solid var(--line);
  padding-bottom: clamp(72px, 9vw, 128px);
}

.page-home .feedback__inner {
  display: grid;
  gap: clamp(26px, 3.4vw, 48px);
}

.page-home .feedback__copy p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist-lift);
  max-width: 40em;
}

.page-home .feedback__channels {
  display: grid;
  border-top: 1px solid var(--line);
}

.page-home .feedback__channel {
  display: grid;
  gap: 4px;
  padding: clamp(14px, 1.8vw, 18px) 0;
  border-bottom: 1px solid var(--line);
}

.page-home .feedback__channel-label {
  margin: 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist-lift);
}

.page-home .feedback__channel-value {
  margin: 0;
  font-size: clamp(15px, 1.8vw, 19px);
  color: var(--paper);
  letter-spacing: .01em;
  word-break: break-word;
}

@media (min-width: 900px) {
  .page-home .feedback__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .chapter-link,
  .page-home .chapter-arrow,
  .page-home .track-card,
  .page-home .stat-card::before,
  .page-home .hero__band-link,
  .page-home .rail__link {
    transition: opacity var(--dur) var(--ease);
  }

  .page-home .chapter-link:hover,
  .page-home .chapter-link:focus-visible,
  .page-home .track-card:hover,
  .page-home .chapter-link:hover .chapter-arrow {
    transform: none;
  }
}
</main>