.page-home {
  --band-ink: #16233D;
  --band-muted: #526180;
  --band-accent: #C2470A;
  --band-line: rgba(10, 27, 61, 0.18);
  display: block;
}

/* ---------- 首屏拼贴 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(155deg, var(--navy-2) 0%, var(--navy) 64%);
  border-bottom: 1px solid var(--line);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  z-index: -1;
  pointer-events: none;
}

.page-home .hero__shell {
  display: grid;
  gap: clamp(26px, 5vw, 44px);
  padding-block: clamp(40px, 7vw, 88px);
}

.page-home .hero__main {
  min-width: 0;
}

.page-home .hero__ctx {
  margin: 0;
  font-size: var(--step-12);
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-home .hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 7vw, 60px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: #fff;
}

.page-home .hero__lede {
  margin: 18px 0 0;
  max-width: 38em;
  font-size: var(--step-16);
  line-height: 1.8;
  color: var(--ink);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .hero__stack {
  display: grid;
  gap: 16px;
  align-content: start;
  min-width: 0;
}

.page-home .panel-mini {
  position: relative;
  padding: 18px 20px 20px;
  background: linear-gradient(180deg, rgba(18, 40, 90, 0.94), rgba(10, 27, 61, 0.94));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}

.page-home .panel-mini:hover,
.page-home .panel-mini:focus-within {
  transform: translateY(-2px);
  border-color: var(--orange);
}

.page-home .panel-mini__kicker {
  margin: 0 0 8px;
  font-size: var(--step-12);
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-home .panel-mini__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: var(--step-20);
  line-height: 1.35;
  color: #fff;
}

.page-home .panel-mini__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .panel-mini__list li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-size: var(--step-14);
  color: var(--ink);
}

.page-home .panel-mini__list .mono {
  font-size: var(--step-12);
  color: var(--violet);
}

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

.page-home .mini-track__node {
  font-size: var(--step-20);
  color: #fff;
}

.page-home .mini-track__bar {
  flex: 1 1 auto;
  height: 2px;
  min-width: 24px;
  background: linear-gradient(90deg, var(--orange), var(--green));
}

.page-home .panel-mini__note {
  margin: 12px 0 0;
  font-size: var(--step-14);
  line-height: 1.7;
  color: var(--muted);
}

.page-home .hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--line-strong);
}

.page-home .hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-home .hero__stats .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(24px, 5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--orange);
}

.page-home .hero__stats .stat__label {
  font-size: var(--step-12);
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 章节骨架 ---------- */
.page-home .section-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-home .section-num {
  font-family: var(--font-mono);
  font-style: italic;
  font-weight: 700;
  font-size: clamp(48px, 9vw, 96px);
  line-height: 0.85;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-strong);
}

.page-home .section-kicker {
  margin: 0;
  font-size: var(--step-12);
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-home .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1.28;
  color: #fff;
}

.page-home .section-lede {
  margin: 6px 0 0;
  max-width: 40em;
  font-size: var(--step-16);
  line-height: 1.8;
  color: var(--ink);
}

.page-home .prose {
  margin: 22px 0 0;
  max-width: 40em;
  font-size: var(--step-16);
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 01 规则入口 ---------- */
.page-home .rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 30px;
}

.page-home .rule-item {
  display: grid;
  gap: 10px;
  align-content: start;
  padding-top: 18px;
  border-top: 2px solid var(--orange);
  min-width: 0;
}

.page-home .rule-item:nth-child(2) {
  border-top-color: var(--violet);
}

.page-home .rule-item:nth-child(3) {
  border-top-color: var(--green);
}

.page-home .rule-item__idx {
  font-size: var(--step-12);
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-home .rule-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-20);
  color: #fff;
}

.page-home .rule-item__text {
  margin: 0;
  font-size: var(--step-16);
  line-height: 1.75;
  color: var(--ink);
}

.page-home .rule-item__points {
  list-style: none;
  margin: 2px 0 4px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .rule-item__points li {
  position: relative;
  padding-left: 16px;
  font-size: var(--step-14);
  line-height: 1.65;
  color: var(--muted);
}

.page-home .rule-item__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--orange-soft);
}

/* ---------- 02 周末连看赛程条 ---------- */
.page-home .schedule-visual {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 28px;
  border: 1px solid var(--line);
}

.page-home .race-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .race-node {
  position: relative;
  min-width: 0;
  padding: 20px 20px 20px 22px;
  background: var(--navy-2);
  border-left: 3px solid var(--orange);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}

.page-home .race-node:nth-child(2) {
  border-left-color: var(--green);
}

.page-home .race-node:hover,
.page-home .race-node:focus-within {
  transform: translateY(-2px);
  border-left-color: var(--violet);
}

.page-home .race-node__idx {
  font-size: var(--step-12);
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-home .race-node__time {
  margin: 8px 0 6px;
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #fff;
}

.page-home .race-node__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-16);
  color: var(--orange-soft);
}

.page-home .race-node__detail {
  margin: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: var(--step-14);
  line-height: 1.7;
  color: var(--muted);
  transition: max-height 260ms var(--ease), opacity 200ms var(--ease), margin-top 260ms var(--ease);
}

.page-home .race-node:hover .race-node__detail,
.page-home .race-node:focus-within .race-node__detail {
  max-height: 160px;
  margin-top: 10px;
  opacity: 1;
}

.page-home .race-gap {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 20px 0 0;
  font-size: var(--step-12);
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-home .race-gap::before,
.page-home .race-gap::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--line-strong);
}

/* ---------- 03 费用对照 ---------- */
.page-home .price-layout {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-home .price-visual {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.page-home .price-card {
  min-width: 0;
  padding: 22px;
  background: linear-gradient(180deg, var(--navy-2), var(--navy));
  border: 1px solid var(--line);
}

.page-home .price-tablist,
.page-home .filter-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-home .tab {
  appearance: none;
  font: inherit;
  font-size: var(--step-14);
  line-height: 1.4;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  padding: 8px 14px;
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-home .tab:hover {
  color: var(--ink);
  border-color: var(--line-strong);
}

.page-home .tab[aria-selected="true"],
.page-home .tab.is-active {
  color: #fff;
  background: var(--orange);
  border-color: var(--orange);
}

.page-home .panel[hidden] {
  display: none;
}

.page-home .price-panel {
  padding-top: 4px;
}

.page-home .field-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-home .field-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px 18px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

.page-home .field-row dt {
  margin: 0;
  font-size: var(--step-14);
  color: var(--muted);
}

.page-home .field-row dd {
  margin: 0;
  font-size: var(--step-16);
  color: var(--orange);
}

.page-home .price-note {
  margin: 16px 0 0;
  font-size: var(--step-14);
  line-height: 1.7;
  color: var(--muted);
}

.page-home .price-card__cta {
  margin-top: 20px;
}

.page-home .checklist-block {
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-home .checklist-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: var(--step-20);
  color: #fff;
}

.page-home .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .checklist li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: var(--step-14);
  color: var(--ink);
}

.page-home .checklist .mono {
  font-size: var(--step-12);
  color: var(--green);
}

/* ---------- 04 筛选列表 ---------- */
.page-home .filter-layout {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-home .filter-preview {
  min-width: 0;
  padding: 22px;
  background: var(--navy-2);
  border: 1px solid var(--line);
}

.page-home .mini-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-home .mini-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: var(--step-14);
  color: var(--ink);
}

.page-home .mini-list li:last-child {
  border-bottom: 0;
}

.page-home .mini-list .mono {
  font-size: var(--step-12);
  color: var(--violet);
  min-width: 2.2em;
}

.page-home .mini-list__tag {
  margin-left: auto;
  padding: 3px 8px;
  font-size: var(--step-12);
  color: var(--muted);
  border: 1px solid var(--line-strong);
}

.page-home .mini-list__tag.tag--violet {
  color: var(--violet);
  border-color: var(--violet);
}

.page-home .mini-list__tag.tag--green {
  color: var(--green);
  border-color: var(--green);
}

.page-home .mini-list__tag.tag--alert {
  color: var(--alert);
  border-color: var(--alert);
}

.page-home .filter-preview__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-home .filter-preview__count {
  margin: 0;
  font-size: var(--step-14);
  color: var(--orange);
}

.page-home .filter-visual {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

/* ---------- 05 数字与信任 ---------- */
.page-home .stats-band {
  background: var(--paper);
  color: var(--band-ink);
}

.page-home .stats-band .section-num {
  -webkit-text-stroke: 1px var(--band-line);
}

.page-home .stats-band .section-kicker {
  color: var(--band-accent);
}

.page-home .stats-band .section-title {
  color: var(--band-ink);
}

.page-home .stats-band .section-lede {
  color: var(--band-muted);
}

.page-home .stat-band {
  display: grid;
  gap: 20px;
}

.page-home .stat-cell {
  display: grid;
  gap: 6px;
  padding-top: 14px;
  border-top: 2px solid var(--band-ink);
  min-width: 0;
}

.page-home .stat-cell__value {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--band-ink);
}

.page-home .stat-cell__label {
  font-size: var(--step-14);
  line-height: 1.6;
  color: var(--band-muted);
}

.page-home .link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.page-home .band-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  font-size: var(--step-14);
  text-decoration: none;
  color: var(--band-ink);
  background: transparent;
  border: 1px solid rgba(10, 27, 61, 0.32);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background-color 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .band-link:hover,
.page-home .band-link:focus-visible {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--paper);
}

.page-home .fold {
  margin-top: 34px;
  border-top: 1px solid var(--band-line);
  padding-top: 18px;
}

.page-home .fold__summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--step-16);
  color: var(--band-ink);
}

.page-home .fold__summary:focus-visible {
  outline: 2px solid var(--band-accent);
  outline-offset: 3px;
}

.page-home .fold__body {
  max-width: 40em;
  margin-top: 12px;
  color: var(--band-muted);
  font-size: var(--step-14);
  line-height: 1.8;
}

.page-home .fold__body p {
  margin: 0 0 10px;
}

/* ---------- 焦点反馈 ---------- */
.page-home a:focus-visible,
.page-home button:focus-visible,
.page-home summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-home .race-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-home .checklist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px 28px;
  }

  .page-home .stat-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-home .hero__shell {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: clamp(24px, 3vw, 40px);
  }

  .page-home .hero__main {
    grid-column: 1 / span 7;
  }

  .page-home .hero__stack {
    grid-column: 8 / span 5;
  }

  .page-home .hero__stats {
    grid-column: 1 / -1;
  }

  .page-home .rule-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }

  .page-home .price-layout {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 40px;
  }

  .page-home .filter-layout {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 40px;
  }
}