/* ===== page-home 专属样式 ===== */
.page-home {
  --home-bg: #0B1026;
  --home-bg-deep: #0A0E1F;
  --home-bg-card: #141E3A;
  --home-ink: #FFFFFF;
  --home-slate: #8FA7CC;
  --home-muted: #A8B8C8;
  --home-accent: #FF6A00;
  --home-accent-dark: #CC4C00;
  --home-alt: #39FF14;
  --home-alt-dark: #1FA62A;
  --home-border: rgba(143, 167, 204, 0.28);
  --home-font-mono: 'Roboto Mono', 'Consolas', monospace;
  background-color: var(--home-bg);
  color: var(--home-ink);
  overflow-x: hidden;
}

/* 章节预览 */
.page-home .chapter-preview {
  display: flex;
  flex-direction: column-reverse;
  padding: 48px 20px 0;
  position: relative;
}

.page-home .preview-visual {
  margin-bottom: 32px;
  position: relative;
}

.page-home .preview-visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  filter: saturate(1.2) contrast(1.1);
}

.page-home .preview-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,106,0,0.35) 0%, transparent 50%, rgba(57,255,20,0.15) 100%);
  mix-blend-mode: screen;
  pointer-events: none;
}

.page-home .preview-content {
  position: relative;
}

.page-home .preview-eyebrow {
  font-family: var(--home-font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--home-alt);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.page-home .preview-content h1 {
  font-family: 'Oswald', 'Noto Sans SC', sans-serif;
  font-size: clamp(30px, 6vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.01em;
  margin: 0 0 12px;
  text-transform: uppercase;
  color: var(--home-ink);
}

.page-home .preview-lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--home-slate);
  margin-bottom: 32px;
  max-width: 620px;
}

.page-home .preview-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--home-border);
  padding-top: 12px;
}

.page-home .preview-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 14px 12px;
  border-radius: 8px;
  background: rgba(20, 30, 58, 0.55);
  border-left: 3px solid var(--home-accent);
  text-decoration: none;
  transition: background 0.3s ease, transform 0.3s ease;
}

.page-home .preview-item:hover {
  background: var(--home-bg-card);
  transform: translateX(4px);
}

.page-home .preview-no {
  font-family: var(--home-font-mono);
  color: var(--home-accent);
  font-size: 13px;
  line-height: 1.4;
}

.page-home .preview-body {
  display: flex;
  flex-direction: column;
}

.page-home .preview-body strong {
  font-family: 'Oswald', 'Noto Sans SC', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--home-ink);
}

.page-home .preview-body small {
  font-size: 13px;
  color: var(--home-muted);
  margin-top: 2px;
}

.page-home .preview-cta {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  background: var(--home-accent);
  color: var(--home-bg);
  padding: 12px 24px;
  border-radius: 8px;
  font-family: 'Oswald', 'Noto Sans SC', sans-serif;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: background 0.3s ease, transform 0.3s ease;
}

.page-home .preview-cta:hover {
  background: var(--home-accent-dark);
  transform: translateY(-2px);
}

.page-home .preview-cta svg {
  filter: invert(1);
}

/* 公共章节头 */
.page-home .home-section {
  padding: 64px 20px;
  position: relative;
}

.page-home .home-section-alt {
  background: var(--home-bg-card);
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
}

.page-home .home-section-dark {
  background: var(--home-bg-deep);
  position: relative;
}

.page-home .section-head {
  margin-bottom: 32px;
}

.page-home .section-kicker {
  font-family: var(--home-font-mono);
  font-size: 13px;
  color: var(--home-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.page-home .section-title {
  font-family: 'Oswald', 'Noto Sans SC', sans-serif;
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--home-ink);
  margin: 0 0 10px;
}

.page-home .section-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--home-slate);
  max-width: 640px;
}

/* 数据总览 */
.page-home .round-dashboard {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}

.page-home .round-league {
  background: var(--home-bg-card);
  border: 1px solid var(--home-border);
  border-radius: 8px;
  padding: 16px;
}

.page-home .league-tag {
  display: inline-block;
  font-family: var(--home-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--home-accent);
  border-bottom: 2px solid var(--home-accent);
  margin-bottom: 12px;
  padding-bottom: 4px;
}

.page-home .scoreboard-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(143,167,204,0.12);
  font-family: var(--home-font-mono);
  font-size: 14px;
}

.page-home .scoreboard-row:last-child {
  border-bottom: none;
}

.page-home .team-name {
  flex: 1;
  font-family: 'Roboto Mono', 'Noto Sans SC', sans-serif;
  color: var(--home-ink);
}

.page-home .score-count {
  color: var(--home-accent);
  font-weight: 500;
}

/* 图表条 */
.page-home .chart-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 32px;
}

.page-home .chart-block {
  background: rgba(20,30,58,0.4);
  border-left: 3px solid var(--home-accent);
  padding: 16px;
  border-radius: 0 8px 8px 0;
}

.page-home .chart-label {
  font-family: var(--home-font-mono);
  font-size: 12px;
  color: var(--home-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.page-home .inline-chart {
  width: 100%;
  height: auto;
  display: block;
}

/* 收藏同步 */
.page-home .favorite-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 24px;
}

.page-home .favorite-card img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--home-border);
}

.page-home .favorite-step-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-home .favorite-steps {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: rgba(11,16,38,0.6);
  border-radius: 8px;
  padding: 16px;
  border: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.page-home .favorite-steps.is-collected {
  border-color: var(--home-alt);
}

.page-home .step-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--home-accent);
  color: var(--home-bg);
  font-family: var(--home-font-mono);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 700;
}

.page-home .step-copy strong {
  display: block;
  font-family: 'Oswald', 'Noto Sans SC', sans-serif;
  font-size: 16px;
  color: var(--home-ink);
  margin-bottom: 4px;
}

.page-home .step-copy p {
  font-size: 14px;
  color: var(--home-slate);
  line-height: 1.6;
  margin: 0;
}

.page-home .demo-collect-btn {
  margin-top: 12px;
  background: transparent;
  border: 1px solid var(--home-alt);
  color: var(--home-alt);
  border-radius: 6px;
  padding: 8px 16px;
  font-family: var(--home-font-mono);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
}

.page-home .demo-collect-btn:hover {
  background: var(--home-alt);
  color: var(--home-bg);
}

.page-home .device-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 32px;
}

.page-home .device-block {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--home-bg-deep);
  border: 1px solid var(--home-border);
  border-radius: 8px;
  padding: 16px;
}

.page-home .device-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(255,106,0,0.1);
  border-radius: 8px;
  flex-shrink: 0;
}

.page-home .device-block strong {
  font-family: 'Oswald', 'Noto Sans SC', sans-serif;
  font-size: 16px;
  color: var(--home-ink);
}

.page-home .device-block p {
  font-size: 13px;
  color: var(--home-muted);
  margin: 4px 0 0;
}

/* 赛事覆盖 */
.page-home .league-wall {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}

.page-home .league-card {
  background: var(--home-bg-card);
  border: 1px solid var(--home-border);
  border-radius: 8px;
  padding: 24px 20px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-home .league-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}

.page-home .league-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.page-home .league-card-orange::after {
  background: var(--home-accent);
}

.page-home .league-card-green::after {
  background: var(--home-alt);
}

.page-home .league-card-slate::after {
  background: var(--home-slate);
}

.page-home .league-code {
  font-family: var(--home-font-mono);
  font-size: 12px;
  color: var(--home-slate);
}

.page-home .league-card strong {
  font-family: 'Oswald', 'Noto Sans SC', sans-serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--home-ink);
}

.page-home .league-card p {
  font-size: 13px;
  color: var(--home-muted);
  margin: 0;
}

.page-home .coverage-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.page-home .coverage-item {
  background: var(--home-bg-deep);
  border-radius: 8px;
  padding: 16px 20px;
  min-width: 140px;
  flex: 1;
}

.page-home .coverage-num {
  display: block;
  font-family: var(--home-font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--home-accent);
}

.page-home .coverage-label {
  font-size: 13px;
  color: var(--home-slate);
  margin-top: 4px;
  display: block;
}

.page-home .section-link {
  display: inline-block;
  margin-top: 28px;
  color: var(--home-accent);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 2px solid var(--home-accent);
  padding-bottom: 2px;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.page-home .section-link:hover {
  color: var(--home-alt);
  border-color: var(--home-alt);
}

/* 数据可信 */
.page-home .trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}

.page-home .trust-card {
  background: var(--home-bg);
  border: 1px solid var(--home-border);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .trust-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: rgba(255,106,0,0.12);
  border-radius: 50%;
}

.page-home .trust-card h3 {
  font-family: 'Oswald', 'Noto Sans SC', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--home-ink);
  margin: 0;
}

.page-home .trust-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--home-slate);
  margin: 0;
}

.page-home .trust-stats {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: auto;
}

.page-home .trust-num {
  font-family: var(--home-font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--home-alt);
}

.page-home .trust-label {
  font-size: 13px;
  color: var(--home-muted);
}

.page-home .trust-viz {
  width: 100%;
  height: auto;
  max-width: 640px;
  border-radius: 8px;
  margin-top: 32px;
  display: block;
  border: 1px solid var(--home-border);
}

/* 从首页出发 */
.page-home .chapter-exit {
  background: linear-gradient(to bottom, var(--home-bg), var(--home-bg-deep));
}

.page-home .exit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}

.page-home .exit-card {
  display: block;
  background: var(--home-bg-card);
  border: 1px solid var(--home-border);
  border-radius: 8px;
  padding: 20px;
  text-decoration: none;
  position: relative;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.page-home .exit-card:hover {
  transform: translateY(-4px);
  border-color: var(--home-accent);
}

.page-home .exit-no {
  font-family: var(--home-font-mono);
  font-size: 12px;
  color: var(--home-accent);
  display: block;
  margin-bottom: 8px;
}

.page-home .exit-card strong {
  display: block;
  font-family: 'Oswald', 'Noto Sans SC', sans-serif;
  font-size: 20px;
  color: var(--home-ink);
  margin-bottom: 6px;
}

.page-home .exit-card p {
  font-size: 14px;
  color: var(--home-slate);
  line-height: 1.5;
  margin: 0 0 12px;
}

.page-home .exit-arrow {
  color: var(--home-accent);
  font-size: 22px;
  font-family: var(--home-font-mono);
}

/* 过渡色带 */
.page-home .transition-ribbon {
  margin: 0;
  padding: 0;
  line-height: 0;
}

.page-home .transition-ribbon img {
  width: 100%;
  height: auto;
  display: block;
}

/* 速度线 */
.page-home .speed-lines {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: repeating-linear-gradient(-35deg, transparent 0, transparent 28px, rgba(57,255,20,0.08) 28px, rgba(57,255,20,0.08) 32px);
  pointer-events: none;
}

/* 桌面端 ≥768px */
@media (min-width: 768px) {
  .page-home .chapter-preview {
    flex-direction: row;
    align-items: center;
    gap: 48px;
    padding: 64px 48px 0;
    max-width: 1200px;
    margin: 0 auto;
  }

  .page-home .preview-visual {
    flex: 0 0 44%;
    margin-bottom: 0;
  }

  .page-home .preview-content {
    flex: 1;
  }

  .page-home .round-dashboard {
    grid-template-columns: repeat(2, 1fr);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-home .chart-strip {
    grid-template-columns: 1fr 1fr;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-home .favorite-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-home .device-row {
    grid-template-columns: 1fr 1fr;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-home .league-wall {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-home .trust-grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-home .exit-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* 桌面端 ≥1200px */
@media (min-width: 1200px) {
  .page-home .chapter-preview {
    padding: 80px 64px 0;
    max-width: 1280px;
  }

  .page-home .round-dashboard {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .league-wall {
    grid-template-columns: repeat(6, 1fr);
  }

  .page-home .exit-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-home .home-section {
    padding: 80px 64px;
  }
}