.page-products {
  max-width: var(--max-content, 1200px);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  color: var(--text-primary, #ffffff);
  font-family: system-ui, -apple-system, sans-serif;
  position: relative;
}

/* ── 面包屑 ── */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary, #b0b8c4);
  margin-bottom: 1.75rem;
  letter-spacing: 0.02em;
}

.page-products .breadcrumb a {
  color: var(--tertiary-accent, #c0c0c0);
  text-decoration: none;
  transition: color 0.2s;
}

.page-products .breadcrumb a:hover {
  color: var(--primary-accent, #d4a745);
}

.page-products .breadcrumb-sep {
  color: var(--primary-accent, #d4a745);
  font-weight: 300;
}

.page-products .breadcrumb-current {
  color: var(--text-primary, #ffffff);
  font-weight: 500;
}

/* ── 页面头部 ── */
.page-products .page-header {
  margin-bottom: 2.5rem;
  position: relative;
  padding-left: 0.5rem;
  border-left: 3px solid var(--primary-accent, #d4a745);
  padding-left: 1.25rem;
}

.page-products .page-title {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--gold-start, #d4a745), var(--gold-end, #f0c040));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-products .title-index {
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, monospace);
  font-size: 1.2rem;
  opacity: 0.6;
  -webkit-text-fill-color: var(--primary-accent, #d4a745);
  color: var(--primary-accent, #d4a745);
}

.page-products .page-subtitle {
  font-size: 1.05rem;
  color: var(--tertiary-accent, #c0c0c0);
  margin: 0.35rem 0 0.5rem;
  letter-spacing: 0.03em;
  font-weight: 400;
}

.page-products .page-desc {
  font-size: 0.95rem;
  color: var(--text-secondary, #b0b8c4);
  line-height: 1.6;
  max-width: 640px;
  margin: 0;
}

/* ── 服务卡片网格 ── */
.page-products .service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

/* ── 单张卡片 ── */
.page-products .service-card {
  background: var(--card-bg, #1c2e4a);
  border-radius: 12px;
  overflow: hidden;
  border-top: 3px solid var(--primary-accent, #d4a745);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-products .service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(212,167,69,0.15);
}

/* ── 卡片视觉区 ── */
.page-products .card-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #0d1f36;
}

.page-products .card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.page-products .service-card:hover .card-img {
  transform: scale(1.04);
}

.page-products .card-status {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  padding: 0.25rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, monospace);
  backdrop-filter: blur(4px);
}

.page-products .status-live {
  background: var(--secondary-accent, #e63946);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(230,57,70,0.5);
}

.page-products .card-body {
  padding: 1.25rem 1.5rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.page-products .card-title {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  color: var(--text-primary, #ffffff);
}

.page-products .card-num {
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, monospace);
  font-size: 1rem;
  color: var(--primary-accent, #d4a745);
  opacity: 0.7;
}

.page-products .card-brief {
  font-size: 0.95rem;
  color: var(--tertiary-accent, #c0c0c0);
  margin: 0 0 0.75rem;
  line-height: 1.5;
}

/* ── 详情区域（可折叠） ── */
.page-products .card-detail {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.45s ease, opacity 0.35s ease, margin 0.35s ease;
  margin-top: 0;
  line-height: 1.7;
  font-size: 0.9rem;
  color: var(--text-secondary, #b0b8c4);
}

.page-products .service-card[data-expanded] .card-detail {
  max-height: 600px;
  opacity: 1;
  margin-top: 0.75rem;
}

.page-products .card-detail p {
  margin: 0 0 0.75rem;
}

.page-products .detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  padding-top: 0.6rem;
  border-top: 1px solid rgba(192,192,192,0.15);
}

.page-products .meta-item {
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, monospace);
  font-size: 0.78rem;
  color: var(--primary-accent, #d4a745);
  letter-spacing: 0.02em;
  background: rgba(212,167,69,0.08);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

/* ── 展开/收起按钮 ── */
.page-products .card-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid var(--primary-accent, #d4a745);
  color: var(--primary-accent, #d4a745);
  padding: 0.45rem 1rem;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  margin-top: 1rem;
  align-self: flex-start;
  transition: background 0.25s, color 0.25s, transform 0.2s;
  font-family: inherit;
}

.page-products .card-toggle:hover {
  background: var(--primary-accent, #d4a745);
  color: #0a1628;
  transform: scale(1.03);
}

.page-products .card-toggle:focus-visible {
  outline: 2px solid var(--gold-end, #f0c040);
  outline-offset: 2px;
}

.page-products .toggle-icon {
  font-size: 1.15rem;
  font-weight: 300;
  transition: transform 0.3s ease;
  display: inline-block;
  line-height: 1;
}

.page-products .service-card[data-expanded] .toggle-icon {
  transform: rotate(45deg);
}

.page-products .service-card[data-expanded] .toggle-text {
  content: "收起详情";
}

/* ── 快速链接区块 ── */
.page-products .quick-links {
  margin-top: 0.5rem;
  padding: 1.75rem 1.5rem;
  background: rgba(28,46,74,0.5);
  border-radius: 12px;
  border-left: 3px solid var(--primary-accent, #d4a745);
}

.page-products .section-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0 0 1.25rem;
  color: var(--text-primary, #ffffff);
}

.page-products .section-title .title-index {
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, monospace);
  color: var(--primary-accent, #d4a745);
  font-size: 1.1rem;
}

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

.page-products .quick-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1rem;
  background: var(--card-bg, #1c2e4a);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-primary, #ffffff);
  transition: background 0.25s, transform 0.2s;
  border: 1px solid transparent;
}

.page-products .quick-link:hover {
  background: rgba(212,167,69,0.12);
  border-color: rgba(212,167,69,0.3);
  transform: translateX(4px);
}

.page-products .quick-link:focus-visible {
  outline: 2px solid var(--gold-end, #f0c040);
  outline-offset: 2px;
}

.page-products .link-num {
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, monospace);
  color: var(--primary-accent, #d4a745);
  font-size: 0.85rem;
  opacity: 0.7;
  min-width: 1.6rem;
}

.page-products .link-label {
  flex: 1;
  font-weight: 500;
  font-size: 0.95rem;
}

.page-products .link-arrow {
  color: var(--primary-accent, #d4a745);
  font-size: 1.1rem;
  transition: transform 0.2s;
}

.page-products .quick-link:hover .link-arrow {
  transform: translateX(3px);
}

/* ── 底部装饰 ── */
.page-products .bottom-decoration {
  margin-top: 2.5rem;
  border-radius: 12px;
  overflow: hidden;
  opacity: 0.6;
}

.page-products .deco-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 200px;
}

/* ── 滚动显现动画 ── */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .page-products [data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── 桌面端 ≥768px ── */
@media (min-width: 768px) {
  .page-products {
    padding: 2.5rem 2.5rem 4rem;
  }

  .page-products .page-title {
    font-size: 2.5rem;
  }

  .page-products .page-header {
    margin-bottom: 3rem;
    padding-left: 1.5rem;
  }

  .page-products .service-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
  }

  .page-products .quick-links {
    padding: 2rem 2.5rem;
  }

  .page-products .links-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  .page-products .bottom-decoration {
    margin-top: 3rem;
  }

  .page-products .deco-img {
    max-height: 160px;
  }
}

/* ── 大桌面端 ≥1024px ── */
@media (min-width: 1024px) {
  .page-products {
    padding: 3rem 3rem 5rem;
  }

  .page-products .page-title {
    font-size: 3rem;
  }

  .page-products .service-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .page-products .card-body {
    padding: 1.5rem 1.75rem 1.75rem;
  }

  .page-products .card-title {
    font-size: 1.5rem;
  }
}

/* ── 极窄屏防溢出 ── */
@media (max-width: 420px) {
  .page-products {
    padding: 1.25rem 0.75rem 2rem;
  }

  .page-products .page-title {
    font-size: 1.5rem;
    flex-wrap: wrap;
  }

  .page-products .card-body {
    padding: 1rem 1.25rem 1.25rem;
  }

  .page-products .card-toggle {
    width: 100%;
    justify-content: center;
  }

  .page-products .quick-links {
    padding: 1.25rem 1rem;
  }
}