.page-products {
  --products-gap: 3rem;
  --card-radius: 12px;
  --card-pad: 1.5rem;
  --speed-color: rgba(244, 162, 97, 0.6);
  --glow-red: rgba(230, 57, 70, 0.15);
  --glow-gold: rgba(244, 162, 97, 0.25);
  --border-w: var(--border-width, 3px);

  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 1.5rem 1rem 0;
  max-width: var(--container-max, 1280px);
  margin: 0 auto;
  font-family: var(--font-body, system-ui, sans-serif);
  color: var(--white, #FFFFFF);
}

/* 面包屑 */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--gray-light, #E2E8F0);
  margin-bottom: 0.5rem;
}
.page-products .breadcrumb a {
  color: var(--gold, #F4A261);
  text-decoration: none;
  transition: color var(--transition, 0.25s ease);
}
.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--red, #E63946);
  text-decoration: underline;
}
.page-products .breadcrumb-sep {
  color: var(--gray-dark, #334155);
  font-weight: 700;
}
.page-products .breadcrumb-current {
  color: var(--white, #FFFFFF);
  font-weight: 600;
}

/* 页面标题区 */
.page-products .page-header {
  border-left: var(--border-w) solid var(--gold, #F4A261);
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
}
.page-products .page-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: 2.2rem;
  color: var(--white, #FFFFFF);
  margin: 0 0 0.5rem;
  line-height: 1.1;
}
.page-products .page-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-light, #E2E8F0);
  max-width: 70ch;
  margin: 0;
}

/* 服务目录 */
.page-products .service-directory {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  background: var(--gray-dark, #334155);
  padding: 0.85rem 1.25rem;
  border-radius: var(--card-radius);
  border: 1px solid rgba(244, 162, 97, 0.25);
  margin-bottom: 0.5rem;
}
.page-products .dir-label {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--gold, #F4A261);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.page-products .dir-link {
  color: var(--white, #FFFFFF);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: all var(--transition, 0.25s ease);
}
.page-products .dir-link:hover,
.page-products .dir-link:focus-visible {
  background: var(--red, #E63946);
  border-color: var(--gold, #F4A261);
  color: var(--white, #FFFFFF);
  box-shadow: var(--gold-glow, 0 0 12px rgba(244,162,97,0.3));
  outline: none;
}

/* 服务卡片 */
.page-products .service-card {
  background: var(--gray-dark, #334155);
  border-radius: var(--card-radius);
  border: var(--border-w) solid var(--red, #E63946);
  box-shadow: var(--shadow, 0 8px 24px rgba(0,0,0,0.4));
  overflow: visible;
  position: relative;
  transition: box-shadow var(--transition, 0.25s ease), border-color var(--transition, 0.25s ease);
  scroll-margin-top: 80px;
}
.page-products .service-card:hover {
  box-shadow: 0 8px 32px rgba(230, 57, 70, 0.3), var(--gold-glow, 0 0 12px rgba(244,162,97,0.3));
  border-color: var(--gold, #F4A261);
}
.page-products .card-inner {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: var(--card-pad);
}
.page-products .card-inner--reverse {
  flex-direction: column;
}
.page-products .card-inner--column {
  flex-direction: column;
}

/* 卡片图片区 */
.page-products .card-image {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: var(--black, #1D3557);
  flex-shrink: 0;
}
.page-products .card-image img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 500 / 350;
  transition: transform 0.4s ease, filter 0.4s ease;
}
.page-products .service-card:hover .card-image img {
  transform: scale(1.03);
  filter: brightness(1.15) contrast(1.05);
}
.page-products .card-image--wide img {
  aspect-ratio: 600 / 400;
}

/* 速度线 */
.page-products .speed-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold, #F4A261), var(--red, #E63946), transparent);
  background-size: 200% 100%;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.page-products .service-card:hover .speed-line {
  opacity: 1;
  animation: speedMove 1.2s linear infinite;
}
@keyframes speedMove {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* 卡片内容 */
.page-products .card-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}
.page-products .card-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: 1.6rem;
  color: var(--gold, #F4A261);
  margin: 0;
  line-height: 1.2;
  position: relative;
  padding-bottom: 0.4rem;
}
.page-products .card-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--red, #E63946);
  border-radius: 2px;
}
.page-products .card-desc {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--white, #FFFFFF);
  margin: 0;
}

/* 展开详情 */
.page-products .card-detail {
  display: none;
  background: rgba(29, 53, 87, 0.5);
  border-left: 3px solid var(--gold, #F4A261);
  padding: 0.8rem 1rem;
  border-radius: 0 6px 6px 0;
  margin-top: 0.25rem;
}
.page-products .card-detail p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--gray-light, #E2E8F0);
  margin: 0 0 0.6rem;
}
.page-products .card-detail:target {
  display: block;
}
.page-products .btn-collapse {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold, #F4A261);
  text-decoration: none;
  border: 1px solid var(--gold, #F4A261);
  padding: 0.2rem 0.7rem;
  border-radius: 4px;
  transition: all var(--transition, 0.25s ease);
}
.page-products .btn-collapse:hover,
.page-products .btn-collapse:focus-visible {
  background: var(--gold, #F4A261);
  color: var(--black, #1D3557);
  outline: none;
}

/* 展开/链接按钮 */
.page-products .btn-expand,
.page-products .btn-link {
  display: inline-block;
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 0.55rem 1.2rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all var(--transition, 0.25s ease);
  align-self: flex-start;
}
.page-products .btn-expand {
  background: transparent;
  color: var(--gold, #F4A261);
  border: 2px solid var(--gold, #F4A261);
}
.page-products .btn-expand:hover,
.page-products .btn-expand:focus-visible {
  background: var(--gold, #F4A261);
  color: var(--black, #1D3557);
  box-shadow: var(--gold-glow, 0 0 12px rgba(244,162,97,0.3));
  outline: none;
}
.page-products .btn-link {
  background: var(--red, #E63946);
  color: var(--white, #FFFFFF);
  border: 2px solid var(--red, #E63946);
  margin-top: 0.25rem;
}
.page-products .btn-link:hover,
.page-products .btn-link:focus-visible {
  background: transparent;
  color: var(--red, #E63946);
  border-color: var(--red, #E63946);
  box-shadow: 0 0 16px rgba(230, 57, 70, 0.35);
  outline: none;
}

/* 宽卡片（赛后数据） */
.page-products .service-card--wide .card-inner {
  gap: 1.5rem;
}
.page-products .service-card--wide .card-title::after {
  width: 80px;
}

/* 卡片额外区域（检索装饰） */
.page-products .card-extra {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 var(--card-pad) var(--card-pad);
  border-top: 1px solid rgba(244, 162, 97, 0.2);
  margin-top: -0.5rem;
  padding-top: 1rem;
}
.page-products .search-icon {
  width: auto;
  max-width: 100px;
  height: auto;
  border-radius: 6px;
  opacity: 0.85;
}
.page-products .extra-text {
  font-size: 0.9rem;
  color: var(--gray-light, #E2E8F0);
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-weight: 500;
  margin: 0;
  line-height: 1.5;
}

/* 内部链接区 */
.page-products .internal-links {
  margin-top: 1rem;
  padding: 1.5rem 0;
  border-top: 2px solid var(--red, #E63946);
}
.page-products .links-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: 1.4rem;
  color: var(--gold, #F4A261);
  margin: 0 0 1rem;
}
.page-products .links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}
.page-products .links-card {
  display: block;
  background: var(--gray-dark, #334155);
  border: 2px solid var(--red, #E63946);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  text-align: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--white, #FFFFFF);
  text-decoration: none;
  transition: all var(--transition, 0.25s ease);
}
.page-products .links-card:hover,
.page-products .links-card:focus-visible {
  background: var(--red, #E63946);
  border-color: var(--gold, #F4A261);
  box-shadow: var(--gold-glow, 0 0 12px rgba(244,162,97,0.3));
  transform: translateY(-2px);
  outline: none;
}

/* ===== 桌面端 (min-width: 768px) ===== */
@media (min-width: 768px) {
  .page-products {
    padding: 2rem 2rem 0;
    gap: 2.5rem;
  }
  .page-products .page-title {
    font-size: 3rem;
  }
  .page-products .page-desc {
    font-size: 1.1rem;
  }
  .page-products .service-directory {
    padding: 1rem 1.5rem;
    gap: 0.5rem 1.5rem;
  }
  .page-products .dir-link {
    font-size: 1rem;
  }
  .page-products .card-inner {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    padding: 2rem;
  }
  .page-products .card-inner--reverse {
    flex-direction: row-reverse;
  }
  .page-products .card-inner--column {
    flex-direction: column;
    align-items: stretch;
  }
  .page-products .card-image {
    flex: 0 0 45%;
    max-width: 45%;
  }
  .page-products .card-image--wide {
    flex: 0 0 100%;
    max-width: 100%;
  }
  .page-products .card-image--wide img {
    aspect-ratio: 600 / 400;
  }
  .page-products .card-content {
    flex: 1;
  }
  .page-products .card-title {
    font-size: 2rem;
  }
  .page-products .card-title::after {
    width: 70px;
  }
  .page-products .card-desc {
    font-size: 1.05rem;
  }
  .page-products .card-detail p {
    font-size: 1rem;
  }
  .page-products .btn-expand,
  .page-products .btn-link {
    font-size: 0.95rem;
    padding: 0.6rem 1.5rem;
  }
  .page-products .service-card--wide .card-inner {
    padding: 2.5rem;
  }
  .page-products .card-extra {
    padding: 0 2rem 2rem;
    gap: 1.5rem;
  }
  .page-products .search-icon {
    max-width: 120px;
  }
  .page-products .extra-text {
    font-size: 0.95rem;
  }
  .page-products .internal-links {
    padding: 2rem 0;
  }
  .page-products .links-title {
    font-size: 1.6rem;
  }
  .page-products .links-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }
  .page-products .links-card {
    padding: 1.1rem 1.25rem;
    font-size: 1rem;
  }
}

/* ===== 大桌面端 (min-width: 1024px) ===== */
@media (min-width: 1024px) {
  .page-products {
    padding: 2.5rem 3rem 0;
    gap: 3rem;
  }
  .page-products .page-title {
    font-size: 3.6rem;
  }
  .page-products .card-title {
    font-size: 2.3rem;
  }
  .page-products .card-inner {
    gap: 3rem;
    padding: 2.5rem;
  }
  .page-products .card-image {
    flex: 0 0 40%;
    max-width: 40%;
  }
  .page-products .service-card--wide .card-image {
    flex: 0 0 80%;
    max-width: 80%;
    margin: 0 auto;
  }
}