.page-products {
  --products-glass: rgba(255, 255, 255, 0.72);
}

.page-products .page-container {
  padding-top: 28px;
  padding-bottom: 64px;
}

.page-products img {
  max-width: 100%;
  height: auto;
}

/* Hero 首屏封面区 */
.page-products__hero {
  margin-bottom: 32px;
}

.page-products__hero .display-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.5vw, 3rem);
  line-height: 1.12;
  letter-spacing: 0.01em;
  color: var(--c-primary);
  margin: 12px 0 14px;
}

.page-products__hero .display-sub {
  color: var(--c-gray);
  max-width: 660px;
  line-height: 1.75;
  font-size: 0.98rem;
  margin: 0;
}

/* 页内章节导航 */
.page-products__toc {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 12px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-products__toc::-webkit-scrollbar {
  display: none;
}

.page-products__toc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 10px 15px;
  border-radius: 999px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  color: var(--c-primary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-decoration: none;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.page-products__toc-link span {
  color: var(--c-accent);
  font-size: 0.75rem;
  font-weight: 700;
}

.page-products__toc-link:hover,
.page-products__toc-link:focus-visible {
  border-color: var(--c-accent);
  box-shadow: 0 6px 16px rgba(255, 106, 0, 0.16);
  transform: translateY(-1px);
}

.page-products__layout {
  display: block;
}

.page-products__content {
  min-width: 0;
}

.page-products__section {
  margin-bottom: 52px;
  scroll-margin-top: 24px;
}

/* 正式版下载 */
.page-products__download-card {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: grid;
  gap: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(7, 26, 46, 0.22);
}

.page-products__download-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 82% 18%, rgba(255, 106, 0, 0.3), transparent 48%);
  pointer-events: none;
}

.page-products__download-media {
  margin: 0;
  position: relative;
  z-index: 1;
}

.page-products__download-media img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.14);
  display: block;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.25);
}

.page-products__download-info {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

.page-products__download-info .mono-label {
  color: rgba(255, 255, 255, 0.72);
}

.page-products__download-info .section-title {
  margin: 0;
  color: var(--c-white);
  font-size: 1.7rem;
}

.page-products__download-info .section-desc {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  font-size: 0.95rem;
}

.page-products__version-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-products__version-row .tag-chip {
  background: rgba(255, 255, 255, 0.14);
  color: var(--c-white);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.page-products__download-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products__download-list li {
  position: relative;
  padding-left: 24px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  font-size: 0.9rem;
}

.page-products__download-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.22);
}

.page-products__download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 6px;
}

.page-products__download-actions .btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 0 0 4px rgba(255, 106, 0, 0.28), 0 10px 24px rgba(255, 106, 0, 0.3);
}

.page-products__download-actions .btn-outline {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--c-white);
}

/* 版本差异对照 */
.page-products__compare .section-title,
.page-products__archive .section-title,
.page-products__quarter .section-title,
.page-products__line .section-title,
.page-products__promo .section-title {
  margin: 8px 0 8px;
}

.page-products__compare > .section-desc,
.page-products__archive > .section-desc,
.page-products__quarter > .section-desc,
.page-products__line > .section-desc,
.page-products__promo > .section-desc {
  margin: 0;
  color: var(--c-gray);
  line-height: 1.7;
  font-size: 0.95rem;
  max-width: 640px;
}

.page-products__compare-grid {
  display: grid;
  gap: 20px;
  margin: 24px 0 0;
}

.page-products__compare-col {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-top: 5px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px;
}

.page-products__compare-col h3 {
  margin: 0 0 16px;
  font-size: 1.1rem;
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.page-products__compare-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--c-border);
  color: var(--c-gray);
  background: var(--c-paper);
}

.page-products__compare-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products__compare-col li {
  position: relative;
  padding-left: 20px;
  line-height: 1.6;
  color: var(--c-text);
  font-size: 0.93rem;
}

.page-products__compare-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-secondary);
}

.page-products__compare-current {
  border-top-color: var(--c-accent);
  background: linear-gradient(178deg, var(--c-white) 0%, var(--c-white) 80%, rgba(255, 106, 0, 0.06) 100%);
}

.page-products__compare-current li.is-new {
  padding-left: 26px;
  padding-right: 44px;
  font-weight: 600;
  color: var(--c-accent-dark);
}

.page-products__compare-current li.is-new::before {
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.16);
}

.page-products__compare-current li.is-new::after {
  content: "新增";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--c-accent);
  background: rgba(255, 106, 0, 0.1);
  padding: 2px 8px;
  border-radius: 999px;
}

.page-products__compare-figure {
  margin: 22px 0 0;
}

.page-products__compare-figure img {
  width: 100%;
  border-radius: var(--radius);
  display: block;
  border: 1px solid var(--c-border);
}

/* 历史版本归档 */
.page-products__archive {
  background: linear-gradient(180deg, rgba(15, 43, 76, 0.06), rgba(248, 247, 242, 0));
  border-radius: var(--radius-lg);
  padding: 4px 4px 0;
}

.page-products__archive-grid {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.page-products__archive-card {
  position: relative;
  background: var(--products-glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: var(--radius);
  padding: 20px 20px 22px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  overflow: hidden;
}

.page-products__archive-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(255, 106, 0, 0.4);
}

.page-products__archive-card::after {
  content: attr(data-quarter);
  position: absolute;
  top: 16px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--c-secondary);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(209, 213, 219, 0.7);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}

.page-products__archive-version {
  font-family: var(--font-display);
  font-size: 1.9rem;
  color: var(--c-primary);
  line-height: 1;
  margin-bottom: 10px;
  max-width: calc(100% - 72px);
}

.page-products__archive-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-accent-dark);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.page-products__archive-card p {
  margin: 0;
  color: var(--c-gray);
  font-size: 0.88rem;
  line-height: 1.62;
}

.page-products__archive-note {
  margin-top: 24px;
  display: grid;
  gap: 16px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px;
}

.page-products__archive-note img {
  width: 100%;
  max-width: 300px;
  border-radius: calc(var(--radius) - 6px);
  object-fit: cover;
  display: block;
}

.page-products__archive-note p {
  margin: 0;
  color: var(--c-gray);
  line-height: 1.7;
  font-size: 0.92rem;
}

/* 季度归档索引 */
.page-products__quarter-list {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-products__quarter-item {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.page-products__quarter-item[open] {
  border-color: rgba(255, 106, 0, 0.45);
  box-shadow: 0 10px 24px rgba(7, 26, 46, 0.08);
}

.page-products__quarter-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  font-weight: 700;
  color: var(--c-primary);
  user-select: none;
}

.page-products__quarter-item summary::-webkit-details-marker {
  display: none;
}

.page-products__quarter-item summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--c-accent);
  transition: transform var(--transition);
}

.page-products__quarter-item[open] summary::before {
  transform: rotate(45deg);
}

.page-products__quarter-label {
  flex: 1;
  font-size: 0.98rem;
}

.page-products__quarter-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-gray);
  background: var(--c-paper);
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.page-products__quarter-item ul {
  margin: 0;
  padding: 4px 20px 20px 46px;
  display: grid;
  gap: 10px;
}

.page-products__quarter-item li {
  color: var(--c-gray);
  line-height: 1.62;
  font-size: 0.9rem;
}

/* 产品线说明 */
.page-products__line-card {
  margin-top: 22px;
  display: grid;
  gap: 20px;
  background: var(--c-dark);
  border-radius: var(--radius-lg);
  padding: 24px;
  color: var(--c-white);
  box-shadow: 0 18px 36px rgba(7, 26, 46, 0.18);
}

.page-products__line-card img {
  width: 100%;
  border-radius: var(--radius);
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.page-products__line-text h3 {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.page-products__line-text p {
  margin: 0 0 12px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.75;
  font-size: 0.93rem;
}

.page-products__link-arrow {
  color: var(--c-accent);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
}

.page-products__link-arrow:hover,
.page-products__link-arrow:focus-visible {
  text-decoration: underline;
}

/* 关联入口 */
.page-products__promo-grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-products__promo-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--c-paper);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 16px;
  text-decoration: none;
  color: var(--c-primary);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.page-products__promo-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(255, 106, 0, 0.45);
}

.page-products__promo-card img,
.page-products__promo-icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border-radius: 12px;
  object-fit: cover;
}

.page-products__promo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-primary);
  color: var(--c-white);
}

.page-products__promo-info {
  display: grid;
  gap: 4px;
}

.page-products__promo-title {
  font-weight: 700;
  font-size: 0.98rem;
}

.page-products__promo-desc {
  color: var(--c-gray);
  font-size: 0.84rem;
  line-height: 1.5;
}

/* 平板及以上 */
@media (min-width: 768px) {
  .page-products__download-card {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
    padding: 32px;
  }

  .page-products__archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products__archive-note {
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: center;
  }

  .page-products__line-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    padding: 32px;
  }

  .page-products__promo-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products__promo-card {
    padding: 18px;
  }
}

/* 桌面端 */
@media (min-width: 1024px) {
  .page-products .page-container {
    padding-top: 40px;
  }

  .page-products__hero {
    margin-bottom: 40px;
  }

  .page-products__layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-products__toc {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 0;
    overflow: visible;
    position: sticky;
    top: 24px;
  }

  .page-products__toc-link {
    border-radius: var(--radius);
    justify-content: flex-start;
    padding: 12px 16px;
  }

  .page-products__compare-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products__section {
    margin-bottom: 64px;
  }
}