.page-products {
  --page-gold-line: linear-gradient(90deg, rgba(212, 175, 55, 0.6), rgba(232, 209, 140, 0.2), transparent);
  --page-card-fill: linear-gradient(160deg, rgba(26, 43, 76, 0.9), rgba(11, 29, 58, 0.78));
}

.page-products .section {
  padding: 64px 0;
}

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

.page-products .btn-sm {
  padding: 8px 16px;
  font-size: 0.82rem;
}

/* 首屏 */
.page-products .product-hero {
  position: relative;
  overflow: hidden;
  padding-top: 44px;
  padding-bottom: 64px;
  background: radial-gradient(circle at 82% 22%, rgba(212, 175, 55, 0.16), transparent 46%), var(--primary-deep-blue);
  color: var(--ivory-white);
}

.page-products .product-hero::before {
  content: "";
  position: absolute;
  top: -170px;
  right: -90px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  border: 1px solid rgba(212, 175, 55, 0.22);
  box-shadow: 0 0 0 48px rgba(212, 175, 55, 0.04), 0 0 0 96px rgba(212, 175, 55, 0.02);
  pointer-events: none;
}

.page-products .product-hero::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: min(720px, 90%);
  height: 1px;
  transform: translateX(-50%);
  background: var(--page-gold-line);
  opacity: 0.6;
}

.page-products .product-hero .breadcrumb {
  margin-bottom: 36px;
}

.page-products .product-hero .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
}

.page-products .product-hero .breadcrumb li + li::before {
  content: "·";
  margin-right: 8px;
  color: var(--pale-gold);
}

.page-products .product-hero .breadcrumb a {
  color: var(--misty-blue);
  text-decoration: none;
}

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

.page-products .product-hero .breadcrumb .current {
  color: var(--ivory-white);
}

.page-products .hero-grid {
  display: grid;
  gap: 40px;
}

.page-products .hero-copy h1 {
  margin: 10px 0 16px;
  font-family: var(--heading-font);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--ivory-white);
}

.page-products .hero-kicker {
  margin: 0;
  font-family: var(--mono-font);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  color: var(--accent-gold);
}

.page-products .hero-lead {
  max-width: 650px;
  margin: 0;
  color: var(--ivory-white);
  line-height: 1.8;
}

.page-products .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.page-products .hero-stat {
  border-left: 2px solid var(--accent-gold);
  padding-left: 12px;
}

.page-products .hero-stat-num {
  display: block;
  font-family: var(--mono-font);
  font-size: 1.55rem;
  line-height: 1.2;
  color: var(--accent-gold);
}

.page-products .hero-stat-label {
  display: block;
  margin-top: 4px;
  color: var(--misty-blue);
  font-size: 0.85rem;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .hero-version-card {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  padding: 30px 32px;
  border-radius: 32px;
  border: 1px solid rgba(212, 175, 55, 0.25);
  background: linear-gradient(150deg, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.04));
  text-align: center;
}

.page-products .hero-version {
  font-family: var(--mono-font);
  font-size: 2.4rem;
  line-height: 1.2;
  color: var(--accent-gold);
}

.page-products .hero-version-label {
  margin-top: 4px;
  color: var(--ivory-white);
  font-size: 0.9rem;
}

.page-products .hero-version-date {
  margin-top: 8px;
  color: var(--misty-blue);
  font-size: 0.82rem;
}

/* 章节标题 */
.page-products .section-heading {
  position: relative;
  margin-bottom: 36px;
  padding-left: 18px;
}

.page-products .section-heading::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--accent-gold), rgba(212, 175, 55, 0.15));
}

.page-products .section-index {
  margin: 0 0 4px;
  font-family: var(--mono-font);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
}

.page-products .section-heading h2 {
  margin: 0;
  font-family: var(--heading-font);
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--ivory-white);
}

.page-products .section-subheading {
  max-width: 680px;
  margin: 8px 0 0;
  color: var(--misty-blue);
  line-height: 1.7;
}

/* 下载中心 */
.page-products .download-section {
  position: relative;
  background: linear-gradient(180deg, var(--primary-deep-blue) 0%, var(--secondary-navy) 100%);
}

.page-products .download-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--page-gold-line);
  opacity: 0.7;
}

.page-products .download-layout {
  display: grid;
  gap: 44px;
  align-items: center;
}

.page-products .download-panel {
  padding: 28px 24px;
  border-radius: 36px;
  border: 1px solid rgba(212, 175, 55, 0.12);
  background: linear-gradient(165deg, rgba(26, 43, 76, 0.85), rgba(11, 29, 58, 0.65));
}

.page-products .download-panel-title {
  margin: 0 0 20px;
  font-family: var(--heading-font);
  font-size: 1.4rem;
  color: var(--ivory-white);
}

.page-products .platform-list {
  display: grid;
  gap: 14px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-products .platform-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 240, 0.035);
}

.page-products .platform-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  color: var(--accent-gold);
  background: rgba(212, 175, 55, 0.1);
}

.page-products .platform-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .platform-text strong {
  font-family: var(--heading-font);
  font-size: 1rem;
  color: var(--ivory-white);
}

.page-products .platform-text small {
  color: var(--misty-blue);
  font-size: 0.78rem;
  line-height: 1.45;
}

.page-products .platform-item .btn-sm {
  grid-column: 2;
  justify-self: start;
  margin-top: 2px;
}

.page-products .qr-block {
  padding: 20px;
  border-radius: 24px;
  background: rgba(255, 255, 240, 0.04);
  text-align: center;
}

.page-products .qr-img {
  max-width: 180px;
  margin: 0 auto;
  border-radius: 16px;
  transition: transform var(--transition-medium);
}

.page-products .qr-block:hover .qr-img,
.page-products .qr-block:focus-within .qr-img {
  transform: scale(1.05);
}

.page-products .qr-caption {
  margin: 12px 0 0;
  color: var(--ivory-white);
  font-size: 0.9rem;
}

.page-products .download-trust {
  margin: 18px 0 0;
  color: var(--misty-blue);
  font-size: 0.85rem;
  line-height: 1.6;
  text-align: center;
}

.page-products .download-visual {
  display: flex;
  justify-content: center;
}

.page-products .device-img {
  width: min(420px, 100%);
  border-radius: 40px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.4);
}

/* 版本亮点 */
.page-products .highlight-section {
  background: linear-gradient(180deg, var(--secondary-navy), var(--primary-deep-blue));
}

.page-products .highlight-layout {
  display: grid;
  gap: 46px;
}

.page-products .feature-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 16px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(232, 209, 140, 0.14);
}

.page-products .feature-num {
  grid-row: span 2;
  font-family: var(--mono-font);
  font-size: 1.1rem;
  color: var(--accent-gold);
}

.page-products .feature-item h3 {
  margin: 0;
  font-family: var(--heading-font);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ivory-white);
}

.page-products .feature-item p {
  margin: 6px 0 0;
  color: var(--misty-blue);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-products .highlight-visual {
  display: grid;
  gap: 28px;
  align-content: start;
}

.page-products .highlight-img {
  width: 100%;
  border-radius: 32px;
}

.page-products .version-compare-card {
  overflow-x: auto;
  border-radius: 28px;
  padding: 22px;
  background: var(--page-card-fill);
}

.page-products .compare-title {
  margin: 0 0 14px;
  font-family: var(--heading-font);
  font-size: 1.2rem;
  color: var(--ivory-white);
}

.page-products .version-compare {
  width: 100%;
  min-width: 340px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.page-products .version-compare th,
.page-products .version-compare td {
  padding: 11px 9px;
  border-bottom: 1px solid rgba(255, 255, 240, 0.08);
  text-align: left;
  vertical-align: top;
}

.page-products .version-compare thead th {
  font-family: var(--mono-font);
  font-weight: 400;
  color: var(--accent-gold);
}

.page-products .version-compare tbody th {
  font-weight: 400;
  color: var(--misty-blue);
}

.page-products .version-compare tbody td {
  color: var(--ivory-white);
}

.page-products .version-compare tbody tr:last-child th,
.page-products .version-compare tbody tr:last-child td {
  border-bottom: 0;
}

/* 版本历史 */
.page-products .history-section {
  background: linear-gradient(180deg, var(--primary-deep-blue), var(--secondary-navy));
}

.page-products .history-list {
  display: grid;
  gap: 20px;
}

.page-products .history-item {
  border-radius: 28px;
  padding: 24px;
  background: var(--page-card-fill);
  border-left: 3px solid var(--accent-gold);
}

.page-products .history-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}

.page-products .history-version {
  font-family: var(--mono-font);
  font-size: 1.5rem;
  color: var(--ivory-white);
}

.page-products .history-cycle {
  display: block;
  margin-top: 8px;
  color: var(--pale-gold);
  font-size: 0.85rem;
}

.page-products .history-details {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 240, 0.08);
}

.page-products .history-details summary {
  display: inline-block;
  cursor: pointer;
  list-style: none;
  color: var(--accent-gold);
  font-size: 0.875rem;
  font-weight: 600;
}

.page-products .history-details summary::-webkit-details-marker {
  display: none;
}

.page-products .history-changelog {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--ivory-white);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-products .history-footer-note {
  margin: 24px 0 0;
  color: var(--misty-blue);
  line-height: 1.7;
}

/* 系统要求 */
.page-products .system-section {
  background: var(--primary-deep-blue);
}

.page-products .system-layout {
  display: grid;
  gap: 18px;
  margin-bottom: 28px;
}

.page-products .system-card {
  border-radius: 24px;
  padding: 20px;
  background: var(--ink-blue);
  border: 1px solid rgba(212, 175, 55, 0.12);
}

.page-products .system-card summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
  list-style: none;
}

.page-products .system-card summary::-webkit-details-marker {
  display: none;
}

.page-products .system-platform {
  font-family: var(--heading-font);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ivory-white);
}

.page-products .system-version {
  font-family: var(--mono-font);
  font-size: 1.1rem;
  color: var(--accent-gold);
}

.page-products .system-details {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--misty-blue);
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-products .system-img {
  width: 100%;
  border-radius: 24px;
}

/* 操作手册 */
.page-products .manual-section {
  background: linear-gradient(180deg, var(--secondary-navy), var(--ink-blue));
}

.page-products .manual-layout {
  display: grid;
  gap: 44px;
  align-items: center;
}

.page-products .manual-cover {
  position: relative;
  display: flex;
  justify-content: center;
}

.page-products .manual-cover::before {
  content: "";
  position: absolute;
  top: -14px;
  right: -10px;
  bottom: -10px;
  left: -14px;
  z-index: 0;
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: 40px;
}

.page-products .manual-img {
  position: relative;
  z-index: 1;
  width: min(320px, 100%);
  border-radius: 28px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
}

.page-products .manual-content {
  max-width: 580px;
}

.page-products .manual-content h3 {
  margin: 0 0 12px;
  font-family: var(--heading-font);
  font-size: 1.5rem;
  color: var(--ivory-white);
}

.page-products .manual-desc {
  margin: 0;
  color: var(--misty-blue);
  line-height: 1.8;
}

.page-products .manual-list {
  display: grid;
  gap: 10px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.page-products .manual-list li {
  position: relative;
  padding-left: 22px;
  color: var(--ivory-white);
  line-height: 1.6;
}

.page-products .manual-list li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-gold);
}

.page-products .manual-note,
.page-products .manual-contact {
  margin: 12px 0 0;
  color: var(--misty-blue);
  line-height: 1.8;
}

.page-products .history-footer-note a,
.page-products .manual-note a,
.page-products .manual-contact a {
  color: var(--accent-gold);
  text-decoration: none;
}

/* 平板及以上 */
@media (min-width: 860px) {
  .page-products .section {
    padding: 80px 0;
  }

  .page-products .hero-grid {
    grid-template-columns: 1fr auto;
    align-items: start;
    gap: 60px;
  }

  .page-products .hero-version-card {
    position: relative;
    top: 12px;
  }

  .page-products .system-layout {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

/* 桌面端 */
@media (min-width: 960px) {
  .page-products .section {
    padding: 96px 0;
  }

  .page-products .download-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 64px;
  }

  .page-products .download-panel {
    padding: 36px 32px;
  }

  .page-products .highlight-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
  }

  .page-products .history-list {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .page-products .manual-layout {
    grid-template-columns: 420px 1fr;
    gap: 64px;
  }
}