.page-home {
  --home-card: #FFFFFF;
  --home-cut: 18px;
  display: block;
  padding: 0 20px;
  background: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-home__hero {
  padding: 28px 0 48px;
}

.page-home__hero-grid {
  display: grid;
  gap: 28px;
}

.page-home__rail {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-home__sign {
  margin: 0;
  color: var(--mist);
}

.page-home__rail-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(3.2rem, 11vw, 6rem);
  line-height: .86;
  letter-spacing: .02em;
  color: transparent;
  -webkit-text-stroke: 2px var(--cyan);
}

@supports not (-webkit-text-stroke: 2px red) {
  .page-home__rail-num {
    color: var(--cyan);
  }
}

.page-home__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.4vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-home__lede {
  margin: 0;
  max-width: 36em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--dark-ink);
}

.page-home__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
  margin: 6px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--turf);
}

.page-home__figures li {
  display: grid;
  gap: 2px;
}

.page-home__fig-num {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-home__fig-label {
  font-size: .8rem;
  color: var(--mist);
}

.page-home__rail-note {
  margin: 6px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--signal);
  font-size: .87rem;
  line-height: 1.7;
  color: var(--dark-ink);
}

.page-home__stage {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-home__stage-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--stand);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), 0 100%);
}

.page-home__stage-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 10, .12) 0%, rgba(16, 49, 42, .74) 100%);
  pointer-events: none;
}

.page-home__stage-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.72) brightness(.8);
}

.page-home__stage-cap {
  position: absolute;
  left: 16px;
  bottom: 12px;
  z-index: 1;
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--mist);
}

/* 章节预览分段切换 */
.page-home__chapters {
  display: grid;
  gap: 14px;
}

.page-home__chapters .tabs__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  overscroll-behavior-x: contain;
}

.page-home__chapters .tabs__tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  font-family: var(--font-body);
  font-size: .82rem;
  line-height: 1.3;
  color: var(--dark-ink);
  background: transparent;
  border: 1px solid var(--turf);
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, 100% 100%, 0 100%, 0 8px);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home__chapters .tabs__tab:hover {
  border-color: var(--cyan);
  color: var(--paper);
}

.page-home__chapters .tabs__tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-home__chapters .tabs__tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-home__tab-num {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  opacity: .9;
}

.page-home__chapters .tabs__panel {
  display: grid;
  gap: 8px;
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--turf);
}

.page-home__chapters .tabs__panel[hidden] {
  display: none;
}

.page-home__panel-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home__panel-title::first-letter {
  color: var(--cyan);
}

.page-home__chapters .tabs__panel p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--dark-ink);
}

.page-home__panel-link {
  justify-self: start;
  font-size: .84rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--turf);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease);
}

.page-home__panel-link:hover,
.page-home__panel-link:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 通用章节 ---------- */
.page-home__section {
  padding: 52px 0;
}

.page-home__section .section-head {
  margin: 0 0 22px;
}

.page-home__intro {
  margin: 0 0 26px;
  max-width: 40em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--dark-ink);
}

/* ---------- 覆盖范围 ---------- */
.page-home__section--cover {
  background: linear-gradient(180deg, var(--deep) 0%, var(--ink) 100%);
  border-top: 1px solid var(--turf);
}

.page-home__cats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 12px;
  margin: 0;
  padding: 14px;
  list-style: none;
  background: var(--ink);
}

.page-home__cat {
  padding: 20px 18px 22px;
  background: var(--stand);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%);
  transition: background-color var(--dur) var(--ease);
}

.page-home__cat:hover {
  background: var(--turf);
}

.page-home__cat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-home__cat-name {
  margin: 8px 0 6px;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home__cat-desc {
  margin: 0;
  font-size: .85rem;
  line-height: 1.72;
  color: var(--dark-ink);
}

/* ---------- 赛季字段（纸白区） ---------- */
.page-home__paper {
  background: var(--paper);
  color: var(--paper-ink);
}

.page-home__paper .section-head__num {
  color: transparent;
  -webkit-text-stroke: 2px var(--turf);
}

@supports not (-webkit-text-stroke: 2px red) {
  .page-home__paper .section-head__num {
    color: var(--turf);
    -webkit-text-stroke: 0;
  }
}

.page-home__paper .section-head__title,
.page-home__paper .annotation,
.page-home__paper .page-home__intro {
  color: var(--deep);
}

.page-home__paper .annotation {
  color: var(--paper-ink);
}

.page-home__paper .page-home__intro {
  color: var(--paper-ink);
}

.page-home__season-grid {
  display: grid;
  gap: 18px;
}

.page-home__season-card {
  padding: 26px 24px 28px;
  background: var(--home-card);
  border-left: 4px solid var(--turf);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%);
}

.page-home__season-tag {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--home-card);
  background: var(--turf);
}

.page-home__season-title {
  margin: 12px 0 10px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--deep);
}

.page-home__season-text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--paper-ink);
}

.page-home__season-list {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-home__season-list li {
  position: relative;
  padding-left: 18px;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--paper-ink);
}

.page-home__season-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 9px;
  height: 2px;
  background: var(--signal);
}

.page-home__season-media {
  position: relative;
  margin: 24px 0 0;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), 0 100%);
}

.page-home__season-media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 360px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.8) brightness(.9);
}

.page-home__season-cap {
  position: absolute;
  left: 16px;
  bottom: 12px;
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--paper);
  text-shadow: 0 1px 6px rgba(7, 11, 10, .8);
}

/* ---------- 场馆双索引 ---------- */
.page-home__venue-grid {
  display: grid;
  gap: 24px;
}

.page-home__venue-media {
  margin: 0;
  overflow: hidden;
  background: var(--stand);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 32px));
}

.page-home__venue-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: saturate(.7) brightness(.82);
}

.page-home__venue-body {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-home__venue-body .page-home__intro {
  margin: 0;
}

.page-home__venue-panels {
  display: grid;
  gap: 16px;
}

.page-home__venue-panel {
  padding: 24px 22px 26px;
  background: var(--stand);
}

.page-home__venue-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-home__venue-name {
  margin: 10px 0 8px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--paper);
}

.page-home__venue-text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--dark-ink);
}

.page-home__venue-list {
  display: grid;
  gap: 7px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-home__venue-list li {
  font-size: .83rem;
  line-height: 1.65;
  color: var(--mist);
  padding-left: 14px;
  position: relative;
}

.page-home__venue-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 5px;
  height: 5px;
  background: var(--cyan);
}

/* ---------- 两条内容线 ---------- */
.page-home__tracks-media {
  margin: 0 0 26px;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), 0 100%);
}

.page-home__tracks-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.9) brightness(.85);
}

.page-home__tracks-grid {
  display: grid;
  gap: 18px;
}

.page-home__track {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 28px 24px 30px;
  background: linear-gradient(160deg, var(--stand) 0%, var(--deep) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-home__track--flip {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-home__track-num {
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-home__track-name {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--paper);
}

.page-home__track-text {
  margin: 0;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--dark-ink);
}

.page-home__track-meta {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--turf);
  font-size: .82rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-home__track-link {
  justify-self: start;
  font-size: .86rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--turf);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease);
}

.page-home__track-link:hover,
.page-home__track-link:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 联系条 ---------- */
.page-home__contact {
  padding: 48px 0 64px;
  background: var(--deep);
  border-top: 1px solid var(--turf);
}

.page-home__contact-title {
  margin: 0;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--paper);
}

.page-home__contact-lede {
  margin: 14px 0 0;
  max-width: 42em;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--dark-ink);
}

.page-home__contact-list {
  display: grid;
  gap: 16px;
  margin: 26px 0 0;
}

.page-home__contact-row {
  display: grid;
  gap: 6px;
  padding-left: 14px;
  border-left: 2px solid var(--turf);
}

.page-home__contact-label {
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-home__contact-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .96rem;
  letter-spacing: .02em;
  color: var(--paper);
  word-break: break-word;
}

.page-home__contact-value--text {
  font-family: var(--font-body);
}

.page-home__contact-note {
  margin: 26px 0 0;
  font-size: .84rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-home__contact-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--turf);
}

.page-home__contact-link:hover,
.page-home__contact-link:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home {
    padding: 0 32px;
  }

  .page-home__figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home__contact-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 860px) {
  .page-home__season-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-home__tracks-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 960px) {
  .page-home__hero {
    padding: 44px 0 72px;
  }

  .page-home__hero-grid {
    grid-template-columns: 36% 1fr;
    gap: 44px;
    align-items: start;
  }

  .page-home__rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-home__section {
    padding: 80px 0;
  }

  .page-home__venue-grid {
    grid-template-columns: 280px 1fr;
    gap: 36px;
    align-items: start;
  }

  .page-home__venue-panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1440px) {
  .page-home__hero-grid {
    grid-template-columns: 32% 1fr;
    gap: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home__cat,
  .page-home__chapters .tabs__tab,
  .page-home__panel-link,
  .page-home__track-link,
  .page-home__contact-link {
    transition: none;
  }
}