.page-products {
  --pd-section-gap: 4.5rem;
  --pd-card-pad: 1.5rem;
  background: var(--color-navy);
  color: var(--color-text-light);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: var(--space-2xl);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 1.25rem 1.25rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

.page-products .breadcrumb-link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-speed) var(--transition-ease);
}

.page-products .breadcrumb-link:hover {
  color: var(--color-gold);
}

.page-products .breadcrumb-sep {
  opacity: 0.5;
}

.page-products .breadcrumb-current {
  color: var(--color-gold);
}

/* ---------- 顶部标题区 ---------- */
.page-products .apps-hero {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 1.25rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 780px) {
  .page-products .apps-hero {
    grid-template-columns: 1.6fr 1fr;
    align-items: end;
    gap: 3rem;
  }
}

.page-products .apps-hero__kicker {
  font-family: var(--font-data);
  font-size: var(--fs-caption);
  letter-spacing: 0.12em;
  color: var(--color-gold);
  text-transform: uppercase;
}

.page-products .apps-hero__title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--fs-h1);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0.25rem 0 0.5rem;
  color: var(--color-text-light);
}

.page-products .apps-hero__subtitle {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-gold-light);
  margin-bottom: 1rem;
}

.page-products .apps-hero__desc {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  max-width: 46em;
}

/* ---------- 统计块 ---------- */
.page-products .apps-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.page-products .apps-stat {
  background: var(--color-navy-panel);
  border: 1px solid var(--color-navy-border);
  clip-path: var(--clip-corner-sm);
  padding: 0.875rem 0.5rem;
  text-align: center;
}

.page-products .apps-stat__num {
  display: block;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: var(--fs-data-lg);
  color: var(--color-gold);
  line-height: 1.1;
}

.page-products .apps-stat__label {
  display: block;
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  margin-top: 0.25rem;
  letter-spacing: 0.06em;
}

/* ---------- 章节索引条 ---------- */
.page-products .chapter-rail {
  max-width: var(--content-width);
  margin: 2rem auto 0;
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  font-family: var(--font-data);
  font-size: var(--fs-caption);
  letter-spacing: 0.04em;
  border-top: 1px solid var(--color-navy-border);
  border-bottom: 1px solid var(--color-navy-border);
}

.page-products .chapter-rail__link {
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.125rem 0;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-speed) var(--transition-ease), border-color var(--transition-speed) var(--transition-ease);
}

.page-products .chapter-rail__link:hover,
.page-products .chapter-rail__link.is-visible {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

.page-products .chapter-rail__sep {
  color: var(--color-navy-border);
}

/* ---------- 板块通用 ---------- */
.page-products .version-section,
.page-products .sync-section,
.page-products .beta-section,
.page-products .compare-section,
.page-products .changelog-section {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--pd-section-gap) 1.25rem 0;
}

.page-products .section-head {
  margin-bottom: 2rem;
  padding-left: 1rem;
  border-left: 3px solid var(--color-gold);
}

.page-products .section-head__code {
  font-family: var(--font-data);
  font-size: var(--fs-caption);
  letter-spacing: 0.14em;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}

.page-products .section-head__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--fs-h2);
  line-height: 1.15;
  margin-bottom: 0.5rem;
  color: var(--color-text-light);
}

.page-products .section-head__desc {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  max-width: 52em;
}

/* ---------- 版本卡片网格 ---------- */
.page-products .version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1020px) {
  .page-products .version-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

/* ---------- 版本卡片 ---------- */
.page-products .version-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(160deg, var(--color-navy-panel) 0%, var(--color-navy-deep) 100%);
  border: 1px solid var(--color-navy-border);
  clip-path: var(--clip-corner);
}

.page-products .version-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-gold);
  z-index: 2;
}

.page-products .version-card--beta::after {
  background: var(--color-red);
}

.page-products .version-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.125rem 1.25rem;
}

.page-products .version-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-data);
  font-size: var(--fs-caption);
  letter-spacing: 0.08em;
  padding: 0.375rem 0.625rem;
  clip-path: var(--clip-corner-sm);
  text-transform: uppercase;
}

.page-products .version-badge--gold {
  background: var(--color-gold);
  color: var(--color-navy-deep);
  font-weight: 700;
}

.page-products .version-badge--red {
  background: var(--color-red);
  color: var(--color-text-light);
  font-weight: 700;
}

.page-products .version-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: page-products-pulse 2s infinite;
}

@keyframes page-products-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.page-products .version-card__code {
  font-family: var(--font-data);
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.page-products .version-card__media {
  margin: 0;
  padding: 0 1.25rem;
}

.page-products .version-card__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: var(--clip-corner-sm);
}

.page-products .version-card__body {
  padding: 1.25rem;
  flex: 1;
}

.page-products .version-card__title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.page-products .version-card__desc {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.page-products .version-feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-products .version-feature-list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: var(--fs-small);
  color: var(--color-cream-dim);
}

.page-products .version-feature-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-family: var(--font-data);
}

.page-products .version-card--beta .version-feature-list li::before {
  color: var(--color-red);
}

.page-products .version-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: 0 1.25rem 1.5rem;
}

.page-products .version-card__note {
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
}

/* ---------- 同步指南 ---------- */
.page-products .sync-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 900px) {
  .page-products .sync-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3rem;
  }
}

.page-products .sync-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-products .sync-step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: var(--color-navy-panel);
  border-left: 2px solid var(--color-gold);
  position: relative;
}

.page-products .sync-step__num {
  font-family: var(--font-data);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-gold);
}

.page-products .sync-step__body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  color: var(--color-text-light);
}

.page-products .sync-step__body p {
  margin: 0;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

.page-products .sync-steps__note {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  font-size: var(--fs-caption);
  color: var(--color-gold-light);
  background: rgba(201, 162, 39, 0.08);
  border-left: 2px solid var(--color-gold);
}

.page-products .sync-steps__note a {
  color: var(--color-gold);
  text-decoration: underline;
}

.page-products .sync-media {
  margin: 0;
}

.page-products .sync-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: var(--clip-corner);
}

.page-products .sync-media figcaption {
  margin-top: 0.75rem;
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  text-align: right;
  font-family: var(--font-data);
}

/* ---------- 测试版抢先看 ---------- */
.page-products .beta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 900px) {
  .page-products .beta-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
  }
}

.page-products .beta-preview-list {
  display: grid;
  gap: 1rem;
}

.page-products .preview-item {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background: linear-gradient(135deg, rgba(201, 162, 39, 0.06), transparent 60%);
  border: 1px solid var(--color-navy-border);
  position: relative;
}

.page-products .preview-item:nth-child(2) {
  background: linear-gradient(135deg, rgba(229, 72, 77, 0.06), transparent 60%);
}

.page-products .preview-item__index {
  font-family: var(--font-data);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-gold);
}

.page-products .preview-item:nth-child(2) .preview-item__index {
  color: var(--color-red);
}

.page-products .preview-item__content h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  color: var(--color-text-light);
}

.page-products .preview-item__content p {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  margin: 0;
}

.page-products .beta-media {
  margin: 0;
}

.page-products .beta-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: var(--clip-corner);
}

.page-products .beta-media figcaption {
  margin-top: 0.75rem;
  font-size: var(--fs-caption);
  color: var(--color-gold);
  font-family: var(--font-data);
  letter-spacing: 0.1em;
  text-align: right;
}

/* ---------- 版本对比 ---------- */
.page-products .compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 900px) {
  .page-products .compare-grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }
}

.page-products .compare-table-wrap {
  overflow-x: auto;
  clip-path: var(--clip-corner);
  background: var(--color-navy-panel);
}

.page-products .compare-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: var(--fs-small);
}

.page-products .compare-table th,
.page-products .compare-table td {
  padding: 0.75rem 0.875rem;
  text-align: left;
  border-bottom: 1px solid var(--color-navy-border);
}

.page-products .compare-table thead th {
  background: var(--color-navy-deep);
  color: var(--color-gold);
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-products .compare-table tbody tr:last-child th,
.page-products .compare-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .compare-table tbody th {
  color: var(--color-text-light);
  font-weight: 500;
}

.page-products .table-check {
  color: var(--color-green);
  font-weight: 700;
}

.page-products .table-cross {
  color: var(--color-navy-border);
}

.page-products .compare-media {
  margin: 0;
}

.page-products .compare-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: var(--clip-corner);
}

/* ---------- 更新日志 ---------- */
.page-products .changelog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 900px) {
  .page-products .changelog-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 3rem;
  }
}

.page-products .changelog-list {
  display: grid;
  gap: 1rem;
}

.page-products .changelog-item {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: var(--color-navy-panel);
  border-left: 2px solid var(--color-navy-border);
  transition: border-color var(--transition-speed) var(--transition-ease);
}

.page-products .changelog-item:hover {
  border-left-color: var(--color-gold);
}

.page-products .changelog-item__ver {
  font-family: var(--font-data);
  font-size: var(--fs-caption);
  color: var(--color-gold);
  white-space: nowrap;
  min-width: 4.5em;
}

.page-products .changelog-item__content h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  color: var(--color-text-light);
}

.page-products .changelog-item__content p {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  margin: 0;
}

.page-products .changelog-media {
  margin: 0;
}

.page-products .changelog-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: var(--clip-corner);
}

.page-products .changelog-foot {
  margin-top: 2.5rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(201, 162, 39, 0.1), transparent 70%);
  border: 1px solid var(--color-navy-border);
  border-left: 3px solid var(--color-gold);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.page-products .changelog-foot p {
  margin: 0;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text-light);
}

/* ---------- 窄屏底部收窄 ---------- */
@media (max-width: 480px) {
  .page-products .version-card__top {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-products .version-card__foot {
    flex-direction: column;
    align-items: stretch;
  }

  .page-products .version-card__foot .btn {
    text-align: center;
  }

  .page-products .changelog-foot {
    flex-direction: column;
    align-items: flex-start;
  }
}