.page-products {
  --page-products-gold: #B8860B;
  --page-products-gold-bright: #FFD700;
  --page-products-fire: #FF4500;
  --page-products-bg-card: #2F2F2F;
  --page-products-bg-deep: #1A1A1A;
  --page-products-text-light: #E0E0E0;
  --page-products-text-white: #FFFFFF;
  --page-products-text-muted: #999999;
  --page-products-border-dim: rgba(184, 134, 11, 0.25);
  --page-products-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  --page-products-radius: 6px;
  display: block;
  width: 100%;
  background-color: var(--color-bg, #0A0A0A);
  color: var(--page-products-text-white);
  font-family: var(--font-body, 'Inter', sans-serif);
}

/* ── 首屏 ── */
.page-products__hero {
  position: relative;
  padding: 2rem 1rem 1.5rem;
  overflow: hidden;
}

.page-products__hero-inner {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
}

.page-products__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--size-small, 0.875rem);
  color: var(--page-products-text-muted);
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.page-products__breadcrumb-link {
  color: var(--page-products-gold);
  text-decoration: none;
  transition: color var(--transition-fast, 0.2s ease);
}

.page-products__breadcrumb-link:hover,
.page-products__breadcrumb-link:focus-visible {
  color: var(--page-products-gold-bright);
  outline: none;
}

.page-products__breadcrumb-sep {
  color: var(--page-products-text-muted);
  font-size: 0.75rem;
}

.page-products__breadcrumb-current {
  color: var(--page-products-text-light);
  font-weight: var(--fw-bold, 700);
}

.page-products__hero-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: var(--fw-heading, 800);
  font-size: var(--size-h1, 2.5rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  line-height: 1.1;
  color: var(--page-products-text-white);
  position: relative;
  display: inline-block;
}

.page-products__hero-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--page-products-gold), var(--page-products-fire));
  border-radius: 2px;
}

.page-products__hero-lead {
  font-size: var(--size-body, 1rem);
  line-height: 1.7;
  color: var(--page-products-text-light);
  max-width: 640px;
  margin: 0 0 1.5rem;
}

.page-products__inline-link {
  color: var(--page-products-gold-bright);
  text-decoration: underline;
  text-decoration-color: rgba(255, 215, 0, 0.3);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition-fast, 0.2s ease);
}

.page-products__inline-link:hover,
.page-products__inline-link:focus-visible {
  text-decoration-color: var(--page-products-gold-bright);
  outline: none;
}

.page-products__hero-visual {
  position: relative;
  max-width: 400px;
  margin: 0 auto;
}

.page-products__hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--page-products-radius);
  border: 1px solid var(--page-products-border-dim);
  object-fit: cover;
}

.page-products__hero-svg {
  position: absolute;
  top: -10px;
  right: -20px;
  width: 120px;
  height: 60px;
  pointer-events: none;
  opacity: 0.6;
}

@media (min-width: 640px) {
  .page-products__hero {
    padding: 3rem 2rem 2rem;
  }
  .page-products__hero-visual {
    margin: 0;
  }
  .page-products__hero-svg {
    width: 200px;
    height: 100px;
    top: -20px;
    right: -40px;
  }
}

@media (min-width: 900px) {
  .page-products__hero {
    padding: 4rem 2rem 2.5rem;
  }
  .page-products__hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
  }
  .page-products__breadcrumb {
    grid-column: 1 / -1;
  }
  .page-products__hero-title {
    grid-column: 1;
    margin-bottom: 0.5rem;
  }
  .page-products__hero-lead {
    grid-column: 1;
    margin-bottom: 0;
  }
  .page-products__hero-visual {
    grid-column: 2;
    grid-row: 2 / 4;
    max-width: 100%;
  }
  .page-products__hero-svg {
    right: -30px;
  }
}

/* ── 装饰分隔带 ── */
.page-products__divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
}

.page-products__divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--page-products-gold), transparent);
  max-width: 200px;
}

.page-products__divider-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--page-products-gold);
  flex-shrink: 0;
}

.page-products__divider--fire .page-products__divider-line {
  background: linear-gradient(90deg, transparent, var(--page-products-fire), transparent);
}

.page-products__divider--fire .page-products__divider-dot {
  background-color: var(--page-products-fire);
}

/* ── 产品卡片通用 ── */
.page-products__section {
  padding: 1.5rem 1rem;
}

.page-products__section-inner {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
}

.page-products__card {
  background-color: var(--page-products-bg-card);
  border: 1px solid var(--page-products-border-dim);
  border-radius: var(--page-products-radius);
  box-shadow: var(--page-products-shadow);
  transition: transform var(--transition-med, 0.35s ease), box-shadow var(--transition-med, 0.35s ease);
  position: relative;
  overflow: hidden;
}

.page-products__card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}

.page-products__card-accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--card-accent, #B8860B);
  border-radius: var(--page-products-radius) var(--page-products-radius) 0 0;
}

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

.page-products__card-text {
  flex: 1;
  min-width: 0;
}

.page-products__card-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: var(--fw-heading, 800);
  font-size: var(--size-h2, 1.75rem);
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem;
  line-height: 1.2;
  color: var(--page-products-text-white);
}

.page-products__card-desc {
  font-size: var(--size-body, 1rem);
  line-height: 1.7;
  color: var(--page-products-text-light);
  margin: 0 0 0.75rem;
}

.page-products__card-features {
  list-style: none;
  padding: 0;
  margin: 0 0 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-products__card-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--size-small, 0.875rem);
  color: var(--page-products-text-light);
  line-height: 1.5;
}

.tag {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  font-size: 0.7rem;
  font-weight: var(--fw-bold, 700);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: 3px;
  background-color: var(--tag-bg, #B8860B);
  color: var(--page-products-text-white);
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1.4;
}

.page-products__card-details {
  margin-top: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 0.5rem;
}

.page-products__card-summary {
  cursor: pointer;
  font-size: var(--size-small, 0.875rem);
  font-weight: var(--fw-bold, 700);
  color: var(--page-products-gold);
  padding: 0.25rem 0;
  transition: color var(--transition-fast, 0.2s ease);
  user-select: none;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

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

.page-products__card-summary::before {
  content: '+';
  font-size: 1rem;
  font-weight: var(--fw-bold, 700);
  line-height: 1;
  transition: transform var(--transition-fast, 0.2s ease);
  display: inline-block;
}

details[open] > .page-products__card-summary::before {
  content: '−';
  transform: rotate(0deg);
}

.page-products__card-summary:hover,
.page-products__card-summary:focus-visible {
  color: var(--page-products-gold-bright);
  outline: none;
}

.page-products__card-detail-body {
  padding: 0.75rem 0 0.25rem;
  font-size: var(--size-small, 0.875rem);
  line-height: 1.7;
  color: var(--page-products-text-light);
}

.page-products__card-detail-body p {
  margin: 0;
}

.page-products__card-detail-body .page-products__inline-link {
  color: var(--page-products-gold-bright);
}

/* 设快捷入口特殊样式 */
.page-products__card-summary--quick {
  color: var(--page-products-fire);
  font-size: 0.8rem;
  border: 1px solid rgba(255, 69, 0, 0.3);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  background-color: rgba(255, 69, 0, 0.08);
  transition: background-color var(--transition-fast, 0.2s ease);
}

.page-products__card-summary--quick::before {
  content: '⚡';
  font-size: 0.8rem;
  margin-right: 0.2rem;
}

details[open] > .page-products__card-summary--quick::before {
  content: '✓';
}

.page-products__card-summary--quick:hover,
.page-products__card-summary--quick:focus-visible {
  background-color: rgba(255, 69, 0, 0.15);
  color: var(--page-products-fire);
}

.page-products__card-detail-body--tip {
  border-left: 2px solid var(--page-products-fire);
  padding-left: 0.75rem;
  margin-top: 0.5rem;
  background-color: rgba(255, 69, 0, 0.04);
  border-radius: 0 4px 4px 0;
}

/* ── 卡片可视化区域 ── */
.page-products__card-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.page-products__card-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  object-fit: cover;
  background-color: var(--page-products-bg-deep);
}

.page-products__card-chart {
  width: 100%;
  max-width: 200px;
  height: auto;
  opacity: 0.7;
  transition: opacity var(--transition-fast, 0.2s ease);
}

.page-products__card:hover .page-products__card-chart {
  opacity: 1;
}

/* 移动端卡片特殊样式 */
.page-products__card-visual--mobile {
  flex-direction: row;
  align-items: flex-start;
  gap: 1rem;
}

.page-products__card-img--mobile {
  max-width: 100px;
}

.page-products__card-chart--mobile {
  max-width: 30px;
  flex-shrink: 0;
}

/* ── 桌面端卡片布局 ── */
@media (min-width: 768px) {
  .page-products__section {
    padding: 2rem 2rem;
  }

  .page-products__card-body {
    flex-direction: row;
    gap: 2rem;
    padding: 1.5rem 1.5rem 2rem;
  }

  .page-products__card-text {
    flex: 3;
  }

  .page-products__card-visual {
    flex: 2;
    align-items: flex-end;
    justify-content: center;
  }

  .page-products__card-visual--mobile {
    flex: 1.5;
    flex-direction: column;
    align-items: center;
  }

  .page-products__card-img {
    max-width: 250px;
  }

  .page-products__card-img--mobile {
    max-width: 100px;
  }

  .page-products__card-chart {
    max-width: 200px;
  }

  .page-products__card-chart--mobile {
    max-width: 30px;
  }

  .page-products__card-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 1rem;
  }
}

@media (min-width: 1024px) {
  .page-products__section {
    padding: 2.5rem 2rem;
  }

  .page-products__card-body {
    gap: 3rem;
    padding: 2rem 2rem 2.5rem;
  }

  .page-products__card-text {
    flex: 2;
  }

  .page-products__card-visual {
    flex: 1.2;
  }

  .page-products__card-features {
    grid-template-columns: 1fr;
  }
}

/* ── CTA 结尾区 ── */
.page-products__cta-section {
  padding: 1.5rem 1rem 3rem;
}

.page-products__cta-inner {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  text-align: center;
  padding: 1.5rem 1rem;
  border-top: 1px solid var(--page-products-border-dim);
}

.page-products__cta-text {
  font-size: var(--size-body, 1rem);
  line-height: 1.7;
  color: var(--page-products-text-light);
  margin: 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ── 悬停数据标签模拟 ── */
.page-products__card-chart rect,
.page-products__card-chart circle {
  transition: opacity var(--transition-fast, 0.2s ease);
  cursor: default;
}

.page-products__card-chart rect:hover,
.page-products__card-chart circle:hover {
  opacity: 1 !important;
  filter: brightness(1.3);
}

/* ── 响应式微调 ── */
@media (max-width: 380px) {
  .page-products__hero-title {
    font-size: 1.6rem;
  }
  .page-products__card-body {
    padding: 1rem 0.75rem 1.25rem;
  }
  .page-products__card-feature {
    flex-wrap: wrap;
  }
  .page-products__card-visual--mobile {
    flex-direction: column;
    align-items: center;
  }
}

/* ── 打印优化 ── */
@media print {
  .page-products__hero {
    padding: 1rem 0;
  }
  .page-products__card {
    break-inside: avoid;
    box-shadow: none;
    border-color: #666;
  }
  .page-products__card:hover {
    transform: none;
  }
  .page-products__divider {
    opacity: 0.3;
  }
}

.page-products {
  --card-accent: transparent;
  --tag-bg: transparent;
}