.page-products {
  --products-primary: #1B4332;
  --products-gold: #C9A959;
  --products-orange: #FF6B35;
  --products-dark: #2C2A26;
  --products-surface: #2D4A3E;
  --products-off-white: #E8E6E1;
  --products-muted-gold: #B89B5B;
  --products-border: #5C6B4A;
  --products-chart-green: #2E7D5A;
  --products-shadow: 0 8px 32px rgba(0,0,0,0.5);
  --products-space-sm: 8px;
  --products-space-md: 16px;
  --products-space-lg: 24px;
  --products-space-xl: 40px;
  --products-space-2xl: 64px;
  --products-radius: 4px;
  --products-transition: 0.35s ease;

  background-color: var(--clr-bg-dark-rock, #2C2A26);
  color: var(--clr-text-off-white, #E8E6E1);
  padding: var(--products-space-lg) 0 var(--products-space-2xl);
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
}

/* 容器 */
.page-products .container {
  max-width: var(--max-width, 1280px);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--products-space-md);
  padding-right: var(--products-space-md);
}

/* 面包屑与标题区 */
.page-products__header {
  margin-bottom: var(--products-space-xl);
}

.page-products__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--products-space-sm);
  font-size: 0.85rem;
  color: var(--products-muted-gold);
  margin-bottom: var(--products-space-md);
}

.page-products__breadcrumb-link {
  color: var(--products-muted-gold);
  text-decoration: none;
  transition: color var(--products-transition);
}

.page-products__breadcrumb-link:hover,
.page-products__breadcrumb-link:focus {
  color: var(--products-orange);
}

.page-products__breadcrumb-sep {
  color: var(--products-border);
}

.page-products__breadcrumb-current {
  color: var(--products-off-white);
}

.page-products__title {
  font-family: var(--font-heading, 'Inter', 'Noto Sans SC', sans-serif);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  color: var(--products-off-white);
  margin: 0 0 var(--products-space-sm);
  border-left: 4px solid var(--products-gold);
  padding-left: var(--products-space-md);
}

.page-products__subtitle {
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  color: var(--products-muted-gold);
  margin: 0 0 0 calc(var(--products-space-md) + 4px);
  max-width: 600px;
}

/* 仪表板卡片区 */
.page-products__dashboard {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--products-space-lg);
  margin-bottom: var(--products-space-2xl);
}

@media (min-width: 768px) {
  .page-products__dashboard {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-products__card {
  background-color: var(--products-surface);
  border: var(--border-thick, 4px) solid var(--products-border);
  box-shadow: var(--products-shadow);
  transition: transform var(--products-transition), box-shadow var(--products-transition);
  position: relative;
  overflow: hidden;
}

.page-products__card:hover,
.page-products__card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.6);
  border-color: var(--products-gold);
}

.page-products__card-frame {
  padding: var(--products-space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--products-space-sm);
  height: 100%;
}

.page-products__card-icon {
  width: 100px;
  height: 100px;
  border: var(--border-medium, 2px) solid var(--products-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--products-space-sm);
  background-color: rgba(0,0,0,0.2);
}

.page-products__card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-products__card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-products__card-label {
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--products-muted-gold);
}

.page-products__card-num {
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--products-gold);
  line-height: 1;
}

.page-products__card-title {
  font-family: var(--font-heading, 'Inter', 'Noto Sans SC', sans-serif);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--products-off-white);
  margin: 0;
}

.page-products__card-text {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--products-off-white);
  opacity: 0.85;
  flex: 1;
}

.page-products__card-chart {
  margin-top: auto;
  padding-top: var(--products-space-sm);
  border-top: 1px solid var(--products-border);
}

.page-products__card-chart svg {
  display: block;
  width: 80px;
  height: 24px;
}

.page-products__card-action {
  align-self: flex-start;
  margin-top: var(--products-space-sm);
  background-color: transparent;
  border: 2px solid var(--products-gold);
  color: var(--products-gold);
  padding: 8px 16px;
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--products-transition), color var(--products-transition), border-color var(--products-transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.page-products__card-action:hover,
.page-products__card-action:focus {
  background-color: var(--products-gold);
  color: var(--products-primary);
  border-color: var(--products-gold);
}

/* 详细区块 */
.page-products__details {
  display: flex;
  flex-direction: column;
  gap: var(--products-space-2xl);
}

.page-products__detail-block {
  scroll-margin-top: 80px;
}

.page-products__detail-frame {
  border: var(--border-medium, 2px) solid var(--products-border);
  padding: var(--products-space-lg);
  background-color: rgba(45, 74, 62, 0.4);
  position: relative;
}

.page-products__detail-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--products-gold);
}

.page-products__detail-heading {
  font-family: var(--font-heading, 'Inter', 'Noto Sans SC', sans-serif);
  font-weight: 800;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  letter-spacing: -0.02em;
  color: var(--products-off-white);
  margin: 0 0 var(--products-space-lg);
  padding-bottom: var(--products-space-sm);
  border-bottom: 2px solid var(--products-border);
}

.page-products__detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--products-space-lg);
  align-items: start;
}

@media (min-width: 768px) {
  .page-products__detail-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.page-products__detail-text p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--products-off-white);
  opacity: 0.9;
  margin: 0 0 var(--products-space-md);
}

.page-products__detail-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background-color: var(--products-gold);
  color: var(--products-primary);
  padding: 10px 20px;
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background-color var(--products-transition), transform var(--products-transition);
}

.page-products__detail-link:hover,
.page-products__detail-link:focus {
  background-color: var(--products-orange);
  transform: translateY(-2px);
}

.page-products__detail-visual {
  width: 100%;
}

.page-products__detail-img {
  max-width: 100%;
  height: auto;
  display: block;
  border: var(--border-medium, 2px) solid var(--products-border);
  background-color: var(--products-dark);
}

/* FAQ 手风琴 */
.page-products__faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--products-space-sm);
  margin-bottom: var(--products-space-lg);
}

.page-products__faq-item {
  border: 1px solid var(--products-border);
  background-color: rgba(44, 42, 38, 0.5);
}

.page-products__faq-trigger {
  display: flex;
  align-items: center;
  gap: var(--products-space-sm);
  width: 100%;
  background: none;
  border: none;
  color: var(--products-off-white);
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 1rem;
  font-weight: 600;
  padding: var(--products-space-md);
  text-align: left;
  cursor: pointer;
  transition: background-color var(--products-transition), color var(--products-transition);
}

.page-products__faq-trigger:hover,
.page-products__faq-trigger:focus {
  background-color: rgba(201, 169, 89, 0.08);
  color: var(--products-gold);
}

.page-products__faq-num {
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--products-muted-gold);
  min-width: 30px;
}

.page-products__faq-icon {
  margin-left: auto;
  flex-shrink: 0;
  transition: transform var(--products-transition);
  color: var(--products-muted-gold);
}

.page-products__faq-trigger[aria-expanded="true"] .page-products__faq-icon {
  transform: rotate(180deg);
}

.page-products__faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 var(--products-space-md);
}

.page-products__faq-content[aria-hidden="false"] {
  max-height: 400px;
  padding: 0 var(--products-space-md) var(--products-space-md);
}

.page-products__faq-content p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--products-off-white);
  opacity: 0.85;
  margin: 0;
}

.page-products__faq-visual {
  width: 100%;
  max-width: 800px;
  margin-top: var(--products-space-md);
}

.page-products__faq-visual img {
  width: 100%;
  height: auto;
  display: block;
  border: var(--border-medium, 2px) solid var(--products-border);
  background-color: var(--products-dark);
}

/* 响应式微调 */
@media (max-width: 767px) {
  .page-products__detail-grid {
    grid-template-columns: 1fr;
  }

  .page-products__detail-visual {
    order: -1;
  }

  .page-products__faq-trigger {
    font-size: 0.9rem;
  }

  .page-products__card-frame {
    padding: var(--products-space-md);
  }
}

/* 打印优化 */
@media print {
  .page-products {
    background: #fff;
    color: #222;
  }

  .page-products__card,
  .page-products__detail-frame {
    border-color: #ccc;
    box-shadow: none;
    background: #fafafa;
  }

  .page-products__card-action,
  .page-products__detail-link {
    display: none;
  }
}