.page-home {
  --track-w: 248px;
  background: var(--snow);
  color: var(--night);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-home .home-shell {
  display: grid;
  grid-template-columns: 1fr;
  max-width: calc(var(--content-width) + var(--track-w));
  margin: 0 auto;
}

/* 品牌轨道 */
.page-home .brand-track {
  background: var(--night);
  color: var(--snow);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-bottom: 4px solid var(--plateau);
}
.page-home .track-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.page-home .track-label {
  font-size: 13px;
  letter-spacing: .18em;
  color: rgba(248,250,252,.6);
  text-transform: uppercase;
}
.page-home .track-version-btn {
  background: var(--flag-yellow);
  color: var(--night);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  padding: 2px 8px;
  letter-spacing: .06em;
}
.page-home .track-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.page-home .track-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(248,250,252,.72);
  text-decoration: none;
  font-size: 14px;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.page-home .track-item:hover {
  color: var(--snow);
  background: rgba(248,250,252,.08);
  border-left-color: var(--peak-blue);
}
.page-home .track-item.is-active {
  color: var(--snow);
  background: rgba(242,169,0,.12);
  border-left-color: var(--flag-yellow);
}
.page-home .track-num {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--flag-yellow);
}
.page-home .track-image {
  margin-top: auto;
  overflow: hidden;
  border-radius: 2px;
  border: 1px solid rgba(248,250,252,.12);
}
.page-home .track-image img {
  display: block;
  width: 100%;
  height: 120px;
  object-fit: cover;
}
.page-home .track-quote {
  font-size: 12px;
  color: rgba(248,250,252,.5);
  letter-spacing: .14em;
  text-align: center;
  margin: 0;
  padding: 0 8px;
}
.page-home .side-progress {
  height: 3px;
  background: rgba(248,250,252,.14);
  border-radius: 2px;
  overflow: hidden;
}
.page-home .side-progress-fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--flag-yellow), var(--flag-red));
}

/* 首屏 */
.page-home .home-hero {
  padding: 28px 16px 44px;
  background:
    radial-gradient(900px 260px at 90% -10%, rgba(91,143,199,.18), transparent 62%),
    linear-gradient(160deg, #FFFFFF 0%, var(--snow) 100%);
  border-bottom: 1px solid rgba(16,24,38,.06);
}
.page-home .breadcrumb-sep {
  margin: 0 6px;
  color: var(--ink-gray);
}
.page-home .title-slash {
  color: var(--plateau);
  font-weight: 900;
}
.page-home .page-title {
  margin: 0 0 16px;
}
.page-home .lead {
  max-width: 680px;
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-gray);
}
.page-home .preview-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 680px;
}
.page-home .preview-card {
  text-decoration: none;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 168px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-home .preview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-deep);
}
.page-home .preview-match {
  background: var(--plateau);
  color: var(--snow);
  border-top: 4px solid var(--flag-yellow);
}
.page-home .preview-collect {
  background: var(--snow);
  color: var(--night);
  box-shadow: inset 0 0 0 2px var(--flag-yellow);
}
.page-home .preview-kicker {
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  opacity: .72;
}
.page-home .preview-name {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
}
.page-home .preview-desc {
  font-size: 14px;
  line-height: 1.55;
  opacity: .82;
}
.page-home .preview-arrow {
  margin-top: auto;
  font-size: 14px;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
  color: var(--flag-yellow);
}
.page-home .hero-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  font-size: 14px;
  color: var(--ink-gray);
  flex-wrap: wrap;
}

/* 山峰分隔 */
.page-home .mountain-divider svg {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: -1px;
}

/* 双板块 */
.page-home .duo-section {
  padding: 40px 16px;
}
.page-home .section-head {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.page-home .section-title {
  margin: 0;
}
.page-home .vertical-note {
  display: none;
}
.page-home .duo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-home .match-board,
.page-home .collect-board {
  background: var(--snow);
}
.page-home .match-board {
  border-top: 4px solid var(--plateau);
}
.page-home .collect-board {
  box-shadow: inset 0 0 0 2px var(--flag-yellow);
}
.page-home .board-media {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.page-home .board-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-home .board-media .tag {
  position: absolute;
  top: 10px;
  left: 10px;
}
.page-home .tag-blue {
  background: var(--plateau);
  color: var(--snow);
}
.page-home .board-body {
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}
.page-home .board-body h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0;
}
.page-home .board-body > p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-gray);
  margin: 0;
}
.page-home .stat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-home .stat-list li {
  background: rgba(91,143,199,.1);
  padding: 6px 10px;
  font-size: 13px;
  color: var(--night);
  border-left: 3px solid var(--plateau);
}
.page-home .stat-num {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--plateau);
  font-size: 16px;
}
.page-home .expand-row {
  width: 100%;
  border: 1px solid rgba(91,143,199,.35);
  background: rgba(248,250,252,.7);
}
.page-home .expand-row summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 700;
  color: var(--plateau);
}
.page-home .expand-row summary::-webkit-details-marker {
  display: none;
}
.page-home .expand-row summary::after {
  content: '+';
  font-size: 20px;
  font-weight: 700;
  color: var(--plateau);
  line-height: 1;
}
.page-home .expand-row[open] summary::after {
  content: '−';
}
.page-home .round-list {
  padding: 0 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-home .round-item {
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  padding: 8px;
  background: #fff;
  border-left: 3px solid var(--peak-blue);
}
.page-home .round-date {
  color: var(--ink-gray);
}
.page-home .round-team {
  font-weight: 600;
}
.page-home .round-score {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--plateau);
}
.page-home .feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-home .feature-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.6;
}
.page-home .feature-list li::before {
  content: '◆';
  position: absolute;
  left: 0;
  top: 0;
  font-size: 12px;
  color: var(--flag-yellow);
}
.page-home .collect-demo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.page-home .collect-toggle[aria-pressed="true"] {
  background: var(--flag-yellow);
  border-color: var(--flag-yellow);
  color: var(--night);
}
.page-home .star-icon {
  color: var(--flag-yellow);
  margin-right: 4px;
}
.page-home .collect-toggle[aria-pressed="true"] .star-icon {
  color: var(--night);
}
.page-home .collect-hint {
  font-size: 12px;
  color: var(--ink-gray);
}

/* 底部：版本 + 统计 */
.page-home .bottom-section {
  padding: 40px 16px;
}
.page-home .bottom-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-home .version-sidebar {
  background: var(--night);
  color: var(--snow);
  padding: 22px 18px;
}
.page-home .sidebar-head {
  border-bottom: 1px solid rgba(248,250,252,.18);
  padding-bottom: 14px;
  margin-bottom: 14px;
}
.page-home .sidebar-version-tag {
  display: inline-block;
  background: var(--flag-yellow);
  color: var(--night);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  padding: 3px 8px;
  margin-bottom: 8px;
}
.page-home .sidebar-title {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 0 0 4px;
}
.page-home .sidebar-sub {
  margin: 0;
  font-size: 14px;
  color: var(--peak-blue);
}
.page-home .sidebar-notice {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(248,250,252,.78);
  background: rgba(200,16,46,.16);
  border-left: 3px solid var(--flag-red);
  padding: 10px 12px;
  margin: 0 0 14px;
}
.page-home .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.page-home .step-item {
  border-bottom: 1px solid rgba(248,250,252,.12);
}
.page-home .step-item details > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 4px;
  font-size: 15px;
  font-weight: 700;
}
.page-home .step-item details > summary::-webkit-details-marker {
  display: none;
}
.page-home .step-item details > summary::after {
  content: '▾';
  margin-left: auto;
  color: var(--flag-yellow);
  transition: transform var(--transition);
}
.page-home .step-item details[open] > summary::after {
  transform: rotate(180deg);
}
.page-home .step-num {
  width: 30px;
  height: 30px;
  border: 2px solid var(--flag-yellow);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  color: var(--flag-yellow);
  flex-shrink: 0;
  background: rgba(242,169,0,.08);
}
.page-home .step-detail {
  padding: 0 4px 14px 42px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(248,250,252,.74);
}
.page-home .sidebar-note {
  font-size: 13px;
  color: rgba(248,250,252,.55);
  line-height: 1.6;
  margin: 14px 0 0;
}
.page-home .sidebar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.page-home .sidebar-links .btn {
  flex: 1;
  min-width: 120px;
  text-align: center;
}
.page-home .stats-main {
  background: var(--snow);
  border: 1px solid rgba(16,24,38,.08);
  box-shadow: var(--shadow-soft);
  padding: 20px 16px;
}
.page-home .stats-head {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}
.page-home .stats-title {
  font-family: var(--font-display);
  font-size: 24px;
  margin: 0;
}
.page-home .stats-sync {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--ink-gray);
}
.page-home .stats-sync::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--flag-green);
  margin-right: 6px;
  vertical-align: initial;
}
.page-home .filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-home .season-switch,
.page-home .team-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.page-home .season-btn,
.page-home .team-btn {
  padding: 6px 10px;
  font-size: 13px;
  border: 1px solid rgba(16,24,38,.16);
  background: transparent;
  color: var(--ink-gray);
  cursor: pointer;
  transition: all var(--transition);
}
.page-home .season-btn:hover,
.page-home .team-btn:hover {
  border-color: var(--plateau);
  color: var(--plateau);
}
.page-home .season-btn.is-active,
.page-home .team-btn.is-active {
  background: var(--plateau);
  border-color: var(--plateau);
  color: var(--snow);
}
.page-home .stats-chart {
  position: relative;
  border: 1px solid rgba(16,24,38,.08);
  background: #FFFFFF;
  padding: 8px;
  margin-bottom: 14px;
}
.page-home .stats-chart > img {
  width: 100%;
  height: auto;
  display: block;
  opacity: .55;
}
.page-home .chart-overlay {
  position: absolute;
  top: 8px;
  left: 8px;
  width: calc(100% - 16px);
  height: calc(100% - 16px);
}
.page-home .chart-grid line {
  stroke: rgba(16,24,38,.08);
  stroke-width: 1;
}
.page-home .chart-line-2024 {
  fill: none;
  stroke: var(--plateau);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.page-home .chart-line-2023 {
  fill: none;
  stroke: var(--flag-yellow);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.page-home .chart-line-2022 {
  fill: none;
  stroke: var(--flag-green);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.page-home .chart-label {
  font-size: 12px;
  fill: var(--ink-gray);
}
.page-home .stats-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 16px;
  font-size: 13px;
}
.page-home .legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-gray);
}
.page-home .legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.page-home .legend-dot.blue {
  background: var(--plateau);
}
.page-home .legend-dot.yellow {
  background: var(--flag-yellow);
}
.page-home .legend-dot.green {
  background: var(--flag-green);
}
.page-home .stats-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.page-home .metric-card {
  background: rgba(91,143,199,.08);
  padding: 12px 14px;
  border-top: 2px solid var(--plateau);
}
.page-home .metric-label {
  display: block;
  font-size: 12px;
  color: var(--ink-gray);
  margin-bottom: 4px;
}
.page-home .metric-value {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--night);
}

/* 信任声明 */
.page-home .trust-strip {
  background: linear-gradient(120deg, var(--night), #1E2C42);
  color: rgba(248,250,252,.85);
  padding: 32px 16px;
  text-align: center;
}
.page-home .trust-strip p {
  max-width: 800px;
  margin: 0 auto 16px;
  font-size: 15px;
  line-height: 1.8;
}
.page-home .trust-contact {
  border-color: rgba(248,250,252,.55) !important;
  color: var(--snow) !important;
}

/* 平板 */
@media (min-width: 640px) {
  .page-home .preview-cards {
    grid-template-columns: 1fr 1fr;
  }
  .page-home .stats-metrics {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-home .vertical-note {
    display: inline-block;
  }
  .page-home .duo-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .page-home .board-media {
    height: 200px;
  }
  .page-home .track-image img {
    height: 160px;
    object-fit: cover;
  }
}

/* 桌面 */
@media (min-width: 1024px) {
  .page-home {
    --track-w: 248px;
  }
  .page-home .home-shell {
    grid-template-columns: var(--track-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-home .brand-track {
    position: sticky;
    top: 24px;
    height: calc(100vh - 48px);
    overflow-y: auto;
    border-bottom: 0;
    border-right: 4px solid var(--plateau);
  }
  .page-home .track-nav {
    flex-direction: column;
  }
  .page-home .track-item {
    width: 100%;
  }
  .page-home .track-quote {
    display: block;
  }
  .page-home .home-hero {
    padding: 48px 32px 60px;
  }
  .page-home .page-title {
    font-size: 52px;
  }
  .page-home .lead {
    font-size: 16px;
  }
  .page-home .duo-section,
  .page-home .bottom-section {
    padding: 48px 32px;
  }
  .page-home .section-head {
    margin-bottom: 28px;
  }
  .page-home .bottom-grid {
    grid-template-columns: 340px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }
  .page-home .version-sidebar {
    position: sticky;
    top: 24px;
    max-height: calc(100vh - 48px);
    overflow-y: auto;
  }
  .page-home .stats-main {
    padding: 24px 22px;
  }
}