.page-products {
  --color-card-cyan: #00E5FF;
  --color-card-gold: #FFD700;
  --color-card-green: #00E676;
  --color-card-red: #FF3366;
  --card-radius: 4px;
  --card-transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  z-index: 1;
  padding: var(--space-md) var(--space-sm) var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
}

/* ── 面包屑 ── */
.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}
.page-products .breadcrumb__link {
  color: var(--color-accent-cyan);
  text-decoration: none;
  transition: color 0.2s;
}
.page-products .breadcrumb__link:hover,
.page-products .breadcrumb__link:focus-visible {
  color: var(--color-accent-gold);
  outline: none;
  text-shadow: 0 0 8px rgba(255, 215, 0, 0.3);
}
.page-products .breadcrumb__sep {
  color: var(--color-text-secondary);
  opacity: 0.5;
}
.page-products .breadcrumb__current {
  color: var(--color-text-primary);
  font-weight: 500;
}

/* ── 标题区 ── */
.page-products .hero-section {
  margin-bottom: var(--space-xl);
}
.page-products .hero-section__title {
  font-size: var(--text-3xl);
  font-weight: var(--heading-weight, 800);
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-xs);
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.page-products .hero-section__desc {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  max-width: 48em;
  margin: 0 0 var(--space-md);
  line-height: 1.7;
}
.page-products .glow-line {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-cyan), var(--color-accent-gold));
  border-radius: 2px;
  box-shadow: var(--shadow-glow-cyan);
}

/* ── 服务区域 ── */
.page-products .services-section {
  margin-bottom: var(--space-xl);
}
.page-products .section-label__title {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-secondary);
  margin: var(--space-xs) 0 0;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── 服务网格 ── */
.page-products .services-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.page-products .services-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* ── 服务卡片 ── */
.page-products .service-card {
  position: relative;
  background: var(--color-surface-dark);
  border-left: 3px solid transparent;
  transition: border-color var(--card-transition), box-shadow var(--card-transition), transform 0.3s var(--ease-elastic);
  cursor: default;
}
.page-products .service-card .panel--clipped {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}
.page-products .service-card__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-sm);
}
.page-products .service-card__icon-wrap {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0, 229, 255, 0.06);
  transition: background 0.3s;
}
.page-products .service-card__icon {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 6px rgba(0, 229, 255, 0.15));
  transition: filter 0.3s;
}
.page-products .service-card__content {
  flex: 1;
  min-width: 0;
}
.page-products .service-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
  cursor: pointer;
  user-select: none;
  transition: color 0.2s;
}
.page-products .service-card__header:focus-visible {
  outline: 2px solid var(--color-accent-cyan);
  outline-offset: 4px;
  border-radius: 2px;
}
.page-products .service-card__name {
  font-size: var(--text-lg);
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  margin: 0;
  line-height: 1.2;
}
.page-products .service-card__badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.15em 0.6em;
  border-radius: 12px;
  background: rgba(0, 229, 255, 0.15);
  color: var(--color-accent-cyan);
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.page-products .service-card__toggle {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  transition: transform 0.35s var(--ease-elastic), color 0.2s;
  line-height: 1;
}
.page-products .service-card[data-expanded] .service-card__toggle {
  transform: rotate(45deg);
  color: var(--color-accent-cyan);
}
.page-products .service-card__preview {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-xs);
  line-height: 1.6;
}
.page-products .service-card__body {
  display: none;
  margin-top: var(--space-xs);
  padding-top: var(--space-xs);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.page-products .service-card[data-expanded] .service-card__body {
  display: block;
  animation: cardFadeIn 0.35s var(--ease-elastic);
}
.page-products .service-card__detail {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-xs);
  line-height: 1.7;
}
.page-products .service-card__link {
  color: var(--color-accent-cyan);
  text-decoration: none;
  border-bottom: 1px dotted rgba(0, 229, 255, 0.3);
  transition: border-color 0.2s;
}
.page-products .service-card__link:hover,
.page-products .service-card__link:focus-visible {
  border-bottom-color: var(--color-accent-cyan);
  outline: none;
}

/* ── 卡片颜色主题 ── */
.page-products .service-card[data-color="cyan"] {
  border-left-color: var(--color-card-cyan);
}
.page-products .service-card[data-color="cyan"]:hover {
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.12);
}
.page-products .service-card[data-color="cyan"] .service-card__badge {
  background: rgba(0, 229, 255, 0.15);
  color: var(--color-card-cyan);
}
.page-products .service-card[data-color="cyan"] .service-card__icon-wrap {
  background: rgba(0, 229, 255, 0.08);
}
.page-products .service-card[data-color="cyan"]:hover .service-card__icon {
  filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.3));
}

.page-products .service-card[data-color="gold"] {
  border-left-color: var(--color-card-gold);
}
.page-products .service-card[data-color="gold"]:hover {
  box-shadow: 0 0 24px rgba(255, 215, 0, 0.1);
}
.page-products .service-card[data-color="gold"] .service-card__icon-wrap {
  background: rgba(255, 215, 0, 0.08);
}
.page-products .service-card[data-color="gold"]:hover .service-card__icon {
  filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.25));
}

.page-products .service-card[data-color="green"] {
  border-left-color: var(--color-card-green);
}
.page-products .service-card[data-color="green"]:hover {
  box-shadow: 0 0 24px rgba(0, 230, 118, 0.1);
}
.page-products .service-card[data-color="green"] .service-card__icon-wrap {
  background: rgba(0, 230, 118, 0.08);
}
.page-products .service-card[data-color="green"]:hover .service-card__icon {
  filter: drop-shadow(0 0 10px rgba(0, 230, 118, 0.25));
}

.page-products .service-card[data-color="red"] {
  border-left-color: var(--color-card-red);
}
.page-products .service-card[data-color="red"]:hover {
  box-shadow: 0 0 24px rgba(255, 51, 102, 0.1);
}
.page-products .service-card[data-color="red"] .service-card__icon-wrap {
  background: rgba(255, 51, 102, 0.08);
}
.page-products .service-card[data-color="red"]:hover .service-card__icon {
  filter: drop-shadow(0 0 10px rgba(255, 51, 102, 0.25));
}

/* ── 主卡片（登录面板）突出 ── */
.page-products .service-card--featured {
  border-left-width: 4px;
}
.page-products .service-card--featured .service-card__name {
  font-size: var(--text-xl);
}
.page-products .service-card--featured .service-card__inner {
  padding: var(--space-md);
}

/* ── 版本更新说明 ── */
.page-products .update-section {
  position: relative;
  background: var(--color-surface-dark);
  padding: var(--space-lg) var(--space-sm);
  margin-top: var(--space-lg);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}
.page-products .update-section__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-xs);
  line-height: 1.2;
}
.page-products .update-section__intro {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-md);
  max-width: 40em;
}
.page-products .update-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  position: relative;
  z-index: 2;
}
.page-products .update-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  line-height: 1.6;
}
.page-products .update-list__marker {
  flex-shrink: 0;
  font-size: 0.85rem;
  margin-top: 0.2em;
  transition: transform 0.2s;
}
.page-products .update-list__item:hover .update-list__marker {
  transform: scale(1.3);
}
.page-products .update-list__marker[data-color="cyan"] { color: var(--color-card-cyan); }
.page-products .update-list__marker[data-color="gold"] { color: var(--color-card-gold); }
.page-products .update-list__marker[data-color="green"] { color: var(--color-card-green); }
.page-products .update-list__marker[data-color="red"] { color: var(--color-card-red); }
.page-products .update-list__text {
  flex: 1;
}

/* ── 背景装饰 ── */
.page-products .update-section__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.07;
  pointer-events: none;
  overflow: hidden;
}
.page-products .update-section__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── 按钮 ── */
.page-products .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  padding: 0.5em 1.2em;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.25s, box-shadow 0.25s, color 0.25s;
  border-radius: 0;
  line-height: 1.4;
}
.page-products .btn--ghost {
  background: transparent;
  color: var(--color-accent-cyan);
  border: 1px solid rgba(0, 229, 255, 0.3);
}
.page-products .btn--ghost:hover,
.page-products .btn--ghost:focus-visible {
  background: rgba(0, 229, 255, 0.08);
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.15);
  outline: none;
}
.page-products .btn--sm {
  padding: 0.35em 0.9em;
  font-size: 0.8rem;
}

/* ── 动画 ── */
@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── 桌面端 ── */
@media (min-width: 768px) {
  .page-products {
    padding: var(--space-lg) var(--space-md) var(--space-xl);
  }

  .page-products .services-grid {
    flex-direction: row;
    align-items: stretch;
    gap: var(--space-md);
  }
  .page-products .service-card--featured {
    flex: 6;
    min-width: 0;
  }
  .page-products .services-sidebar {
    flex: 4;
    min-width: 0;
    gap: var(--space-md);
  }
  .page-products .services-sidebar .service-card {
    flex: 1;
  }

  .page-products .service-card__inner {
    flex-direction: row;
    align-items: flex-start;
    padding: var(--space-md);
  }
  .page-products .service-card--featured .service-card__inner {
    padding: var(--space-lg);
  }
  .page-products .service-card__icon-wrap {
    width: 100px;
    height: 100px;
  }
  .page-products .service-card--featured .service-card__icon-wrap {
    width: 120px;
    height: 120px;
  }

  .page-products .hero-section__title {
    font-size: var(--text-3xl);
  }

  .page-products .update-section {
    padding: var(--space-xl) var(--space-md);
  }
  .page-products .update-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-sm) var(--space-md);
  }
  .page-products .update-list__item {
    flex: 1 1 calc(50% - var(--space-md));
    min-width: 220px;
  }
}

@media (min-width: 1024px) {
  .page-products {
    padding: var(--space-xl) var(--space-lg);
  }
  .page-products .hero-section__title {
    font-size: var(--text-3xl);
  }
  .page-products .services-grid {
    gap: var(--space-lg);
  }
  .page-products .services-sidebar {
    gap: var(--space-lg);
  }
  .page-products .update-list__item {
    flex: 1 1 calc(25% - var(--space-md));
    min-width: 180px;
  }
}
</main>

.page-products {
  --heading-weight: 600;
}