.page-products {
  --products-grid-gap: 2rem;
  --products-number-size: 3.5rem;
  --products-number-color: var(--gold-primary);
  --products-label-width: 30%;
  --products-content-width: 70%;
  background: var(--bg-dark);
  color: var(--text-primary);
  padding: 0 1.5rem 4rem;
  font-family: var(--font-body);
}

.page-products__hero {
  max-width: var(--max-width);
  margin: 0 auto 3rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--gold-primary);
}

.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.page-products .breadcrumb a {
  color: var(--gold-primary);
  text-decoration: none;
  transition: color var(--transition);
}

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

.page-products .breadcrumb__sep {
  color: var(--text-secondary);
  opacity: 0.6;
}

.page-products__hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: bold;
  color: var(--gold-primary);
  margin: 0 0 0.75rem;
  line-height: 1.1;
}

.page-products__hero-desc {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 65ch;
  line-height: 1.6;
}

/* 板块通用 */
.page-products__section {
  max-width: var(--max-width);
  margin: 0 auto 4rem;
}

.page-products__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--products-grid-gap);
}

.page-products__section-label {
  position: relative;
  padding-right: 1.5rem;
}

.page-products__section-number {
  font-family: var(--font-accent);
  font-size: var(--products-number-size);
  line-height: 1;
  color: var(--products-number-color);
  opacity: 0.3;
  display: block;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.page-products__section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: bold;
  color: var(--gold-primary);
  margin: 0 0 0.75rem;
  position: relative;
  display: inline-block;
}

.page-products__section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--gold-primary);
  margin-top: 0.5rem;
}

.page-products__section-intro {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.page-products .btn-gold {
  display: inline-block;
  padding: 0.6rem 1.8rem;
  background: var(--gold-primary);
  color: #0A0A0A;
  font-family: var(--font-body);
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-products .btn-gold:hover {
  background: var(--gold-bright);
  transform: scale(1.03);
  box-shadow: 0 0 20px rgba(212, 160, 23, 0.4);
}

.page-products .btn-red {
  display: inline-block;
  padding: 0.5rem 1.4rem;
  background: var(--red-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
  font-size: 0.85rem;
}

.page-products .btn-red:hover {
  background: var(--red-bright);
  border-color: var(--gold-primary);
  box-shadow: 0 0 12px rgba(139, 0, 0, 0.3);
}

.page-products .btn-red[data-active] {
  background: var(--gold-primary);
  color: #0A0A0A;
  border-color: var(--gold-primary);
}

/* 内容区域通用 */
.page-products__content-area {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.page-products__card-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--gold-primary);
  margin: 0 0 1rem;
}

.page-products__card-desc {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
  margin: 1rem 0 0;
}

/* 新用户导航卡片 */
.page-products .glass-card {
  background: var(--glass);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(212, 160, 23, 0.2);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.page-products .glass-card:hover {
  border-color: rgba(212, 160, 23, 0.5);
  box-shadow: 0 4px 30px rgba(212, 160, 23, 0.08);
}

.page-products .glass-card--highlight {
  border-color: var(--gold-primary);
  border-width: 2px;
}

.page-products__card-nav-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-products__nav-img {
  width: 100%;
  height: auto;
  max-width: 400px;
  border-radius: var(--radius);
  object-fit: cover;
}

.page-products__nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.page-products__nav-list li {
  padding-left: 1.2rem;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.page-products__nav-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--gold-primary);
}

/* 资料库卡片 */
.page-products__card-db-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-products__db-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
}

.page-products__db-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.page-products__db-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 0.4rem 0;
}

.page-products__db-icon {
  color: var(--gold-primary);
  font-size: 0.7rem;
}

/* 板块分隔 */
.page-products__divider {
  max-width: var(--max-width);
  margin: 0 auto 3rem;
  overflow: hidden;
}

.page-products__divider-img {
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  opacity: 0.3;
  border-radius: var(--radius);
}

/* 时间轴 */
.page-products__timeline {
  padding: 1.5rem 0;
}

.page-products__timeline-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.page-products__filter-btn {
  font-size: 0.8rem;
  padding: 0.35rem 1rem;
}

.page-products__timeline-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
}

/* 版本变动表格 */
.page-products__table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1rem 0;
}

.page-products__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 500px;
}

.page-products__table caption.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.page-products__table thead th {
  background: var(--bg-surface);
  color: var(--gold-primary);
  font-family: var(--font-heading);
  font-weight: bold;
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--gold-primary);
  white-space: nowrap;
}

.page-products__table tbody tr {
  transition: background var(--transition);
}

.page-products__table tbody tr:hover {
  background: rgba(212, 160, 23, 0.08);
}

.page-products__table tbody td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(212, 160, 23, 0.15);
  color: var(--text-secondary);
  line-height: 1.5;
}

.page-products__table tbody td:first-child {
  color: var(--gold-primary);
  font-family: var(--font-accent);
  font-weight: bold;
  white-space: nowrap;
}

.page-products__table-note {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-style: italic;
  opacity: 0.75;
  margin-top: 0.75rem;
}

/* 底部装饰 */
.page-products__bottom-deco {
  max-width: var(--max-width);
  margin: 2rem auto 0;
  text-align: center;
}

.page-products__deco-img {
  width: 100%;
  max-width: 400px;
  height: auto;
  object-fit: cover;
  opacity: 0.2;
  border-radius: var(--radius);
}

/* ===== 交互特性 ===== */
[data-scroll-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-scroll-reveal][data-visible] {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (min-width: 768px) {
  .page-products {
    padding: 0 2rem 5rem;
  }

  .page-products__grid {
    grid-template-columns: var(--products-label-width) var(--products-content-width);
  }

  .page-products__card-nav-inner,
  .page-products__card-db-inner {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-products__nav-img {
    max-width: 300px;
    flex-shrink: 0;
  }

  .page-products__db-img {
    max-width: 400px;
    flex-shrink: 0;
  }

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

  .page-products__nav-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-products__section {
    margin: 0 auto 5rem;
  }

  .page-products__section-number {
    font-size: 4rem;
  }

  .page-products__hero {
    padding: 3rem 0;
  }
}

@media (min-width: 1024px) {
  .page-products {
    padding: 0 4rem 6rem;
  }

  .page-products__nav-img {
    max-width: 350px;
  }

  .page-products__db-img {
    max-width: 500px;
  }

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

  .page-products__table {
    font-size: 0.95rem;
  }
}

@media (max-width: 767px) {
  .page-products__hero-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .page-products__section-number {
    font-size: 2.5rem;
  }

  .page-products__nav-list,
  .page-products__db-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products__timeline-filters {
    justify-content: center;
  }

  .page-products .glass-card {
    padding: 1rem;
  }
}

/* 移动端防止横向溢出 */
img {
  max-width: 100%;
  height: auto;
}

.page-products__table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}