.page-products {
  --prod-deep-glass: rgba(244, 246, 247, 0.1);
  --prod-deep-border: rgba(244, 246, 247, 0.16);
  --prod-soft-surface: rgba(221, 229, 233, 0.55);
  overflow-x: clip;
}

.page-products section[id],
.page-products .prod-hero {
  scroll-margin-top: calc(var(--header-total) + 12px);
}

/* ===== Hero ===== */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  color: var(--color-snow);
  background:
    radial-gradient(1100px 480px at 88% -8%, rgba(44, 143, 191, 0.5), transparent 62%),
    linear-gradient(158deg, var(--color-primary-deep) 0%, var(--color-primary) 52%, var(--color-primary-soft) 100%);
  padding: var(--space-xl) 0 calc(var(--space-2xl) + 100px);
}

.page-products .prod-hero-grid {
  display: grid;
  gap: var(--space-xl);
}

.page-products .prod-hero-copy {
  max-width: 640px;
}

.page-products .prod-hero .tag-version {
  margin-bottom: var(--space-md);
}

.page-products .prod-hero h1 {
  font-size: clamp(1.8rem, 5vw, 2.7rem);
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin: 0 0 var(--space-md);
  color: var(--color-snow);
}

.page-products .prod-hero-lead {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(244, 246, 247, 0.88);
  max-width: 58ch;
  margin: 0 0 var(--space-md);
}

.page-products .prod-hero-lead:last-of-type {
  margin-bottom: 0;
}

.page-products .prod-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.page-products .prod-hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .prod-hero-stat .mono-num {
  font-size: 1.4rem;
  line-height: 1.2;
  color: var(--color-flag-yellow);
}

.page-products .prod-hero-stat-label {
  font-size: 0.8rem;
  color: rgba(244, 246, 247, 0.72);
}

.page-products .prod-hero-visual {
  position: absolute;
  top: 26%;
  right: -4%;
  width: 54%;
  max-width: 420px;
  opacity: 0.2;
  pointer-events: none;
}

.page-products .prod-hero-sketch {
  width: 100%;
  height: auto;
  display: block;
}

.page-products .prod-hero-valley {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  width: 100%;
  height: 120px;
  display: block;
  pointer-events: none;
}

.page-products .prod-hero .breadcrumb {
  margin-bottom: var(--space-xl);
}

.page-products .prod-hero .breadcrumb a,
.page-products .prod-hero .breadcrumb-current {
  color: var(--color-snow);
}

/* ===== 通用章节头 ===== */
.page-products .prod-section-head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.page-products .prod-section-no {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(44, 143, 191, 0.14);
  border: 1px solid rgba(44, 143, 191, 0.24);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.95rem;
}

.page-products .prod-section-head h2 {
  font-size: 1.7rem;
  line-height: 1.2;
  margin: 0 0 var(--space-xs);
  color: var(--color-ink);
}

.page-products .prod-section-head .section-subtitle {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-gray);
}

/* ===== 下载区 ===== */
.page-products .prod-download {
  background: var(--color-snow);
  padding: var(--space-2xl) 0;
}

.page-products .prod-download-grid {
  display: grid;
  gap: var(--space-2xl);
}

.page-products .prod-download-media,
.page-products .prod-adapt-media,
.page-products .prod-venues-media {
  margin: 0;
}

.page-products .prod-img-raised,
.page-products .prod-img-rounded,
.page-products .prod-img-shadow,
.page-products .prod-img-wide,
.page-products .prod-img-film {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-products .prod-img-raised {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  background: var(--color-silver);
}

.page-products .prod-download-media figcaption,
.page-products .prod-venues-media figcaption {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-gray);
}

.page-products .prod-download-detail h3 {
  font-size: 1.25rem;
  color: var(--color-primary-deep);
  margin: var(--space-lg) 0 var(--space-sm);
}

.page-products .prod-download-detail h3:first-child {
  margin-top: 0;
}

.page-products .prod-feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-products .prod-feature-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  line-height: 1.65;
  color: var(--color-ink);
}

.page-products .prod-feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--color-flag-blue) 0 33%, var(--color-flag-green) 33% 66%, var(--color-flag-yellow) 66%);
}

.page-products .prod-download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.page-products .prod-sysreq-grid {
  display: grid;
  gap: var(--space-sm);
  margin: 0 0 var(--space-md);
  padding: var(--space-md);
  background: var(--prod-soft-surface);
  border-radius: var(--radius-md);
}

.page-products .prod-sysreq-item {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: 0.9rem;
  margin: 0;
}

.page-products .prod-sysreq-item dt {
  color: var(--color-gray);
  min-width: 5.5em;
}

.page-products .prod-sysreq-item dd {
  margin: 0;
  color: var(--color-ink);
}

.page-products .prod-download-trust {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-gray);
}

/* ===== 控球率适配 ===== */
.page-products .prod-adapt {
  color: var(--color-snow);
  background:
    radial-gradient(900px 320px at 12% 0%, rgba(44, 143, 191, 0.32), transparent 60%),
    linear-gradient(180deg, var(--color-primary-deep) 0%, var(--color-primary) 60%, var(--color-primary-soft) 100%);
  padding: var(--space-2xl) 0;
}

.page-products .prod-adapt h2,
.page-products .prod-adapt h3,
.page-products .prod-adapt .section-subtitle {
  color: var(--color-snow);
}

.page-products .prod-adapt .section-subtitle {
  color: rgba(244, 246, 247, 0.72);
}

.page-products .prod-adapt .prod-section-no {
  background: rgba(244, 246, 247, 0.14);
  border-color: rgba(244, 246, 247, 0.24);
  color: var(--color-snow);
}

.page-products .prod-adapt-grid {
  display: grid;
  gap: var(--space-2xl);
}

.page-products .prod-img-rounded {
  border-radius: var(--radius-lg);
  box-shadow: var(--glow-blue);
  background: var(--color-primary-deep);
}

.page-products .prod-fit-guide {
  margin-top: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--prod-deep-glass);
  border: 1px solid var(--prod-deep-border);
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(244, 246, 247, 0.85);
}

.page-products .prod-fit-guide p {
  margin: 0;
}

.page-products .prod-chart-block {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--prod-deep-glass);
  border: 1px solid var(--prod-deep-border);
}

.page-products .prod-chart-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.page-products .prod-chart-svg {
  width: 100%;
  height: auto;
  display: block;
  font-family: var(--font-mono);
}

.page-products .prod-adapt-content .collapse-card {
  margin-top: var(--space-md);
}

.page-products .prod-adapt-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-products .prod-adapt-list li {
  line-height: 1.7;
  color: rgba(244, 246, 247, 0.9);
}

/* ===== 折叠按钮通用 ===== */
.page-products .prod-collapse-btn {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: #fff;
  border: 1px solid rgba(221, 229, 233, 0.9);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: box-shadow var(--fast) var(--ease), transform var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-products .prod-collapse-btn:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(20, 90, 138, 0.28);
  transform: translateY(-1px);
}

.page-products .prod-collapse-icon {
  margin-left: auto;
  font-size: 1.2rem;
  line-height: 1;
  color: var(--color-flag-blue);
  transition: transform var(--fast) var(--ease);
}

.page-products .prod-adapt .prod-collapse-btn {
  background: rgba(244, 246, 247, 0.1);
  border-color: var(--prod-deep-border);
  color: var(--color-snow);
}

.page-products .prod-collapse-inner {
  padding: var(--space-sm) 0 var(--space-md);
}

.page-products .prod-collapse-inner p {
  margin: 0 0 var(--space-sm);
  line-height: 1.7;
}

/* ===== 存档区 ===== */
.page-products .prod-archive {
  padding: var(--space-2xl) 0;
  background:
    linear-gradient(180deg, var(--color-snow) 0%, #fff 42%, var(--color-snow) 100%);
}

.page-products .prod-archive-grid {
  display: grid;
  gap: var(--space-2xl);
}

.page-products .prod-archive-list {
  display: grid;
  gap: var(--space-md);
}

.page-products .prod-version-badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-snow);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.page-products .prod-version-title {
  flex: 1 1 auto;
  font-weight: 700;
  color: var(--color-ink);
}

.page-products .prod-archive-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 0.9rem;
  color: var(--color-gray);
  line-height: 1.6;
}

.page-products .prod-img-film {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  background: var(--color-silver);
  filter: sepia(0.12) contrast(1.02);
  opacity: 0.94;
}

/* ===== 轮次安排 ===== */
.page-products .prod-schedule {
  padding: var(--space-2xl) 0;
  background:
    radial-gradient(800px 300px at 90% 0%, rgba(44, 143, 191, 0.16), transparent 60%),
    linear-gradient(180deg, var(--color-snow), #fff 55%, var(--color-silver));
}

.page-products .prod-schedule-grid {
  display: grid;
  gap: var(--space-2xl);
}

.page-products .prod-schedule-list {
  display: grid;
  gap: var(--space-md);
}

.page-products .prod-schedule-week {
  flex: 0 0 auto;
  background: rgba(20, 90, 138, 0.12);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: 0.85rem;
  font-weight: 700;
}

.page-products .prod-schedule-desc {
  flex: 1 1 auto;
  font-weight: 600;
  color: var(--color-ink);
}

.page-products .prod-schedule-count {
  flex: 0 0 auto;
  color: var(--color-gray);
  font-size: 0.85rem;
}

.page-products .prod-schedule-matches {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-products .prod-schedule-matches li {
  display: flex;
  gap: var(--space-sm);
  padding: 6px 0;
  border-bottom: 1px dashed var(--color-silver);
  line-height: 1.5;
  font-size: 0.92rem;
}

.page-products .prod-schedule-matches .mono-num {
  color: var(--color-flag-blue);
}

.page-products .prod-img-shadow {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  background: var(--color-silver);
}

/* ===== 场馆信息 ===== */
.page-products .prod-venues {
  color: var(--color-snow);
  background:
    radial-gradient(900px 340px at 10% 0%, rgba(44, 143, 191, 0.32), transparent 60%),
    linear-gradient(180deg, var(--color-primary-deep), var(--color-primary));
  padding: var(--space-2xl) 0;
}

.page-products .prod-venues h2,
.page-products .prod-venues h3,
.page-products .prod-venues .section-subtitle {
  color: var(--color-snow);
}

.page-products .prod-venues .section-subtitle {
  color: rgba(244, 246, 247, 0.72);
}

.page-products .prod-venues .prod-section-no {
  background: rgba(244, 246, 247, 0.14);
  border-color: rgba(244, 246, 247, 0.24);
  color: var(--color-snow);
}

.page-products .prod-venues-grid {
  display: grid;
  gap: var(--space-xl);
}

.page-products .prod-img-wide {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background: var(--color-primary-deep);
  object-fit: cover;
}

.page-products .prod-venues-facts {
  display: grid;
  align-content: start;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--prod-deep-glass);
  border: 1px solid var(--prod-deep-border);
}

.page-products .prod-fact-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  font-size: 0.95rem;
}

.page-products .prod-fact-row .mono-num {
  font-size: 1.3rem;
  line-height: 1.2;
  color: var(--color-flag-yellow);
}

.page-products .prod-venue-cards {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.page-products .prod-venue-card {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--prod-deep-glass);
  border: 1px solid var(--prod-deep-border);
  transition: box-shadow var(--fast) var(--ease), transform var(--fast) var(--ease);
}

.page-products .prod-venue-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.page-products .prod-venue-card .mono-num {
  color: var(--color-flag-blue);
  font-size: 0.9rem;
}

.page-products .prod-venue-card h3 {
  font-size: 1.05rem;
  margin: var(--space-sm) 0;
  color: var(--color-snow);
}

.page-products .prod-venue-card p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(244, 246, 247, 0.72);
  margin: 0;
}

/* ===== 支持区 ===== */
.page-products .prod-support {
  padding: var(--space-xl) 0 var(--space-2xl);
  background: var(--color-snow);
}

.page-products .prod-support-card {
  display: grid;
  gap: var(--space-lg);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(20, 90, 138, 0.1), rgba(44, 143, 191, 0.06));
  border: 1px solid rgba(20, 90, 138, 0.14);
}

.page-products .prod-support-card h2 {
  font-size: 1.6rem;
  line-height: 1.25;
  margin: 0 0 var(--space-sm);
  color: var(--color-primary-deep);
}

.page-products .prod-support-card p {
  margin: 0;
  line-height: 1.7;
  color: var(--color-ink);
}

.page-products .prod-support-card a {
  color: var(--color-flag-blue);
  text-underline-offset: 3px;
}

.page-products .prod-support-note {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  background: rgba(20, 90, 138, 0.08);
  font-size: 0.9rem;
}

.page-products .prod-support-note p {
  margin: 0;
  line-height: 1.7;
}

/* ===== 河流分隔线 ===== */
.page-products .prod-river-line {
  height: 6px;
  transform: scaleY(0.55);
  transform-origin: center;
  background: linear-gradient(90deg, var(--color-flag-blue) 0%, var(--color-flag-green) 30%, var(--color-flag-yellow) 55%, var(--color-flag-red) 100%);
}

.page-products .prod-river-line-reverse {
  background: linear-gradient(90deg, var(--color-flag-red) 0%, var(--color-flag-yellow) 30%, var(--color-flag-green) 55%, var(--color-flag-blue) 100%);
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-products .prod-venue-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 720px) {
  .page-products .prod-support-card {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}

@media (min-width: 800px) {
  .page-products .prod-venues-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    align-items: end;
  }
}

@media (min-width: 920px) {
  .page-products .prod-hero {
    padding-top: var(--space-2xl);
  }

  .page-products .prod-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-products .prod-hero-visual {
    position: static;
    opacity: 1;
    width: 100%;
    max-width: none;
  }

  .page-products .prod-download-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-products .prod-adapt-grid,
  .page-products .prod-archive-grid,
  .page-products .prod-schedule-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-products .prod-adapt-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .page-products .prod-archive-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }
}