/* ===== 页面专属：.page-home ===== */
.page-home {
  --nav-w: 280px;
  --hero-h: min(100vh, 800px);
  --card-radius: 2px;
  --stat-bar-h: 6px;

  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  background: var(--bg-light);
  font-family: var(--font-body);
  color: var(--text-dark);
  line-height: 1.8;
}

/* ── 框景首屏 ── */
.page-home .frame-viewport {
  position: relative;
  width: 100%;
  height: var(--hero-h);
  min-height: 520px;
  overflow: hidden;
  background: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-home .frame-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .frame-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}

.page-home .frame-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(135deg, rgba(10,29,63,0.88) 0%, rgba(10,29,63,0.72) 50%, rgba(10,29,63,0.88) 100%);
}

/* 刻度边框 */
.page-home .frame-scale {
  position: absolute;
  inset: 16px;
  z-index: 2;
  pointer-events: none;
  border: 1px solid rgba(212,168,67,0.35);
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  align-content: space-between;
  justify-content: space-between;
}

.page-home .scale-tick {
  display: block;
  width: 10%;
  height: 10%;
  border: 0 solid rgba(212,168,67,0.25);
  box-sizing: border-box;
}

.page-home .scale-tick:nth-child(-n+10) {
  border-top: 1px solid rgba(212,168,67,0.3);
  height: 0;
}

.page-home .scale-tick:nth-child(n+11):nth-child(-n+20) {
  border-bottom: 1px solid rgba(212,168,67,0.3);
  height: 0;
  align-self: flex-end;
}

.page-home .scale-tick:nth-child(1),
.page-home .scale-tick:nth-child(11) {
  border-left: 1px solid rgba(212,168,67,0.3);
  width: 0;
  height: 10%;
}

.page-home .scale-tick:nth-child(10),
.page-home .scale-tick:nth-child(20) {
  border-right: 1px solid rgba(212,168,67,0.3);
  width: 0;
  height: 10%;
}

/* 四角装饰 */
.page-home .frame-corner {
  position: absolute;
  z-index: 3;
  width: 40px;
  height: 40px;
  border-color: var(--accent-gold);
  border-style: solid;
  border-width: 0;
  pointer-events: none;
}

.page-home .frame-corner.tl { top: 24px; left: 24px; border-top-width: 2px; border-left-width: 2px; }
.page-home .frame-corner.tr { top: 24px; right: 24px; border-top-width: 2px; border-right-width: 2px; }
.page-home .frame-corner.bl { bottom: 24px; left: 24px; border-bottom-width: 2px; border-left-width: 2px; }
.page-home .frame-corner.br { bottom: 24px; right: 24px; border-bottom-width: 2px; border-right-width: 2px; }

/* 框景内容 */
.page-home .frame-content {
  position: relative;
  z-index: 4;
  text-align: center;
  max-width: 760px;
  padding: 48px 24px;
  color: #fff;
}

.page-home .frame-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
  padding: 6px 18px;
  margin-bottom: 24px;
  background: rgba(212,168,67,0.08);
}

.page-home .frame-content h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.08;
  color: #fff;
  margin: 0 0 20px;
  letter-spacing: 1px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

.page-home .frame-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-primary);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.page-home .frame-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.page-home .frame-actions .btn {
  min-width: 160px;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  letter-spacing: 1px;
  text-decoration: none;
  text-align: center;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
  cursor: default;
}

.page-home .frame-actions .btn-accent {
  background: var(--accent-gold);
  color: var(--primary-dark);
  border: 2px solid var(--accent-gold);
}

.page-home .frame-actions .btn-accent:hover {
  background: transparent;
  color: var(--accent-gold);
}

.page-home .frame-actions .btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
}

.page-home .frame-actions .btn-outline:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* ── 通用章节 ── */
.page-home .section {
  padding: 56px 24px 64px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.page-home .section-dark {
  background: var(--primary-dark);
  color: var(--text-primary);
  max-width: 100%;
  padding-left: 24px;
  padding-right: 24px;
}

.page-home .section-header {
  margin-bottom: 40px;
}

.page-home .section-header h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin: 12px 0 8px;
  color: inherit;
  letter-spacing: 0.5px;
}

.page-home .section-desc {
  font-size: 1.05rem;
  color: inherit;
  opacity: 0.8;
  max-width: 600px;
}

.page-home .section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-gold);
  border-left: 3px solid var(--accent-gold);
  padding-left: 12px;
  line-height: 1.2;
}

/* ── 赛事对比 ── */
.page-home .section-compare {
  background: var(--bg-light);
}

.page-home .compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 12px;
}

.page-home .compare-card {
  background: var(--bg-white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: box-shadow 0.3s, transform 0.3s;
  display: flex;
  flex-direction: column;
}

.page-home .compare-card:hover {
  box-shadow: 0 12px 32px rgba(10,29,63,0.12);
  transform: translateY(-4px);
}

.page-home .compare-img {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--primary-mid);
}

.page-home .compare-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}

.page-home .compare-card:hover .compare-img img {
  transform: scale(1.05);
}

.page-home .img-label {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 2px;
  color: #fff;
  background: var(--accent-orange);
  padding: 4px 12px;
  border-radius: 0;
}

.page-home .compare-body {
  padding: 20px 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.page-home .compare-body h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  margin: 0 0 16px;
  color: var(--primary-dark);
  letter-spacing: 0.5px;
}

.page-home .stat-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
  flex: 1;
}

.page-home .stat-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
}

.page-home .stat-label {
  width: 56px;
  font-weight: 600;
  color: var(--text-dark);
  flex-shrink: 0;
}

.page-home .stat-bar-placeholder {
  flex: 1;
  height: var(--stat-bar-h);
  background: rgba(10,29,63,0.08);
  border-radius: 0;
  position: relative;
  overflow: hidden;
}

.page-home .stat-bar-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  width: 30%;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-orange));
  opacity: 0.25;
}

.page-home .stat-value {
  width: 30px;
  text-align: right;
  font-weight: 600;
  color: var(--primary-mid);
  font-size: 0.85rem;
}

.page-home .btn-pull {
  align-self: stretch;
  text-align: center;
  padding: 12px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-decoration: none;
  border: 2px solid var(--primary-mid);
  color: var(--primary-mid);
  background: transparent;
  transition: background 0.25s, color 0.25s;
  position: relative;
  cursor: default;
}

.page-home .btn-pull:hover {
  background: var(--primary-mid);
  color: #fff;
}

.page-home .btn-pull::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) scale(0);
  background: var(--primary-dark);
  color: var(--accent-gold);
  padding: 6px 14px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  white-space: nowrap;
  border: 1px solid var(--accent-gold);
  letter-spacing: 0;
  transition: transform 0.2s;
  pointer-events: none;
  z-index: 10;
}

.page-home .btn-pull:hover::after {
  transform: translateX(-50%) scale(1);
}

/* ── 数据摘要 ── */
.page-home .section-stats {
  padding-top: 64px;
  padding-bottom: 72px;
}

.page-home .section-stats .section-header h2 {
  color: #fff;
}

.page-home .section-stats .section-tag {
  border-left-color: var(--accent-gold);
}

.page-home .stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-home .stat-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(212,168,67,0.15);
  padding: 28px 24px;
  text-align: center;
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
}

.page-home .stat-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--accent-gold);
  transform: translateY(-3px);
}

.page-home .stat-icon {
  margin: 0 auto 16px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-home .stat-icon svg {
  display: block;
  width: 48px;
  height: 48px;
}

.page-home .stat-card h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent-gold);
  margin: 0 0 8px;
  letter-spacing: 0.5px;
}

.page-home .stat-card p {
  font-size: 0.95rem;
  color: var(--text-primary);
  margin: 0 0 12px;
  line-height: 1.6;
}

.page-home .stat-hint {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--accent-orange);
  border-bottom: 1px dashed var(--accent-orange);
  cursor: default;
  position: relative;
}

.page-home .stat-hint::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) scale(0);
  background: var(--primary-dark);
  color: var(--accent-gold);
  padding: 6px 14px;
  font-size: 0.75rem;
  white-space: nowrap;
  border: 1px solid var(--accent-gold);
  transition: transform 0.2s;
  pointer-events: none;
  z-index: 10;
  font-family: var(--font-body);
}

.page-home .stat-hint:hover::after {
  transform: translateX(-50%) scale(1);
}

/* ── 专家专栏 ── */
.page-home .section-experts {
  background: var(--bg-light);
}

.page-home .expert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-home .expert-card {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--bg-white);
  border: 1px solid rgba(0,0,0,0.04);
  border-radius: var(--card-radius);
  box-shadow: 0 2px 6px rgba(0,0,0,0.03);
  transition: box-shadow 0.3s, transform 0.3s;
  align-items: flex-start;
}

.page-home .expert-card:hover {
  box-shadow: 0 8px 24px rgba(10,29,63,0.08);
  transform: translateY(-2px);
}

.page-home .expert-avatar {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border: 2px solid var(--accent-gold);
  border-radius: 0;
  overflow: hidden;
  background: var(--primary-mid);
}

.page-home .expert-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-home .expert-body {
  flex: 1;
  min-width: 0;
}

.page-home .expert-body h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin: 0 0 4px;
  color: var(--primary-dark);
  letter-spacing: 0.3px;
}

.page-home .expert-meta {
  font-size: 0.8rem;
  color: var(--accent-orange);
  margin: 0 0 8px;
  font-weight: 600;
}

.page-home .expert-body p {
  font-size: 0.92rem;
  color: #555;
  margin: 0 0 12px;
  line-height: 1.6;
}

.page-home .btn-text {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 1px;
  color: var(--accent-orange);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
  display: inline-block;
}

.page-home .btn-text:hover {
  border-bottom-color: var(--accent-orange);
}

.page-home .expert-footer {
  text-align: center;
  margin-top: 36px;
}

.page-home .expert-footer .btn-outline {
  display: inline-block;
  padding: 12px 36px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-decoration: none;
  border: 2px solid var(--primary-mid);
  color: var(--primary-mid);
  background: transparent;
  transition: background 0.25s, color 0.25s;
}

.page-home .expert-footer .btn-outline:hover {
  background: var(--primary-mid);
  color: #fff;
}

/* ── 新手指南 ── */
.page-home .section-guide {
  background: var(--bg-white);
  text-align: center;
}

.page-home .guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 36px;
  text-align: left;
}

.page-home .guide-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px;
  border: 1px solid rgba(10,29,63,0.06);
  transition: border-color 0.3s, background 0.3s;
}

.page-home .guide-step:hover {
  border-color: var(--accent-gold);
  background: rgba(212,168,67,0.03);
}

.page-home .step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--accent-gold);
  border: 2px solid var(--accent-gold);
  line-height: 1;
}

.page-home .step-body h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin: 0 0 4px;
  color: var(--primary-dark);
}

.page-home .step-body p {
  font-size: 0.92rem;
  color: #555;
  margin: 0;
  line-height: 1.6;
}

.page-home .guide-visual {
  margin-bottom: 28px;
  background: var(--bg-light);
  border: 1px solid rgba(0,0,0,0.04);
  overflow: hidden;
}

.page-home .guide-visual img {
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: cover;
  display: block;
}

.page-home .guide-cta {
  text-align: center;
}

.page-home .guide-cta .btn-accent {
  display: inline-block;
  padding: 14px 40px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  letter-spacing: 1px;
  text-decoration: none;
  background: var(--accent-gold);
  color: var(--primary-dark);
  border: 2px solid var(--accent-gold);
  transition: background 0.25s, color 0.25s;
}

.page-home .guide-cta .btn-accent:hover {
  background: transparent;
  color: var(--accent-gold);
}

/* ── 信任声明 ── */
.page-home .section-trust {
  background: var(--primary-dark);
  color: var(--text-primary);
  max-width: 100%;
  padding: 40px 24px;
  text-align: center;
  margin: 0;
}

.page-home .trust-inner {
  max-width: 800px;
  margin: 0 auto;
}

.page-home .trust-inner .section-tag {
  margin-bottom: 16px;
  display: inline-block;
}

.page-home .trust-inner p {
  font-size: 0.95rem;
  line-height: 1.8;
  opacity: 0.85;
  margin: 0;
}

/* ── 响应式：平板 ≥640px ── */
@media (min-width: 640px) {
  .page-home .compare-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-home .expert-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-home .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-home .guide-grid {
    grid-template-columns: 1fr 1fr 1fr;
    text-align: center;
  }

  .page-home .guide-step {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .page-home .guide-visual img {
    max-height: 400px;
  }

  .page-home .expert-avatar {
    width: 80px;
    height: 80px;
  }
}

/* ── 响应式：桌面 ≥1024px ── */
@media (min-width: 1024px) {
  .page-home {
    padding-left: var(--nav-w);
  }

  .page-home .section {
    padding: 72px 40px 80px;
  }

  .page-home .section-dark {
    padding-left: calc(40px + var(--nav-w));
    padding-right: 40px;
  }

  .page-home .section-trust {
    padding-left: calc(40px + var(--nav-w));
    padding-right: 40px;
  }

  .page-home .frame-viewport {
    min-height: 640px;
  }

  .page-home .frame-content h1 {
    font-size: 3.6rem;
  }

  .page-home .compare-grid {
    gap: 32px;
  }

  .page-home .expert-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .page-home .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
  }

  .page-home .guide-grid {
    gap: 32px;
  }

  .page-home .frame-scale {
    inset: 24px;
  }

  .page-home .frame-corner.tl { top: 32px; left: 32px; }
  .page-home .frame-corner.tr { top: 32px; right: 32px; }
  .page-home .frame-corner.bl { bottom: 32px; left: 32px; }
  .page-home .frame-corner.br { bottom: 32px; right: 32px; }
}

/* ── 辅助：避免横向溢出 ── */
.page-home img {
  max-width: 100%;
  height: auto;
}

.page-home .card,
.page-home .stat-card,
.page-home .expert-card,
.page-home .guide-step {
  box-sizing: border-box;
}

/* ── 定义页面级变量 ── */
.page-home {
  --header-w: 280px;
}