.page-products {
  --card-gap: 2.5rem;
  --index-width: 4.5rem;
  --accent-border-height: 3px;
  scroll-behavior: smooth;
  max-width: 100%;
  overflow-x: hidden;
}

/* ── 面包屑 ── */
.page-products .services-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem 0;
  font-family: var(--font-accent);
  font-size: var(--size-small);
  color: var(--color-text);
  opacity: 0.7;
  max-width: var(--max-width);
  margin: 0 auto;
}
.page-products .services-breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}
.page-products .services-breadcrumb a:hover {
  color: var(--color-accent-red);
}
.page-products .breadcrumb-sep {
  font-size: 0.5rem;
  color: var(--color-accent-gold);
}

/* ── Hero 概述区 ── */
.page-products .services-hero {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) 1.5rem var(--spacing-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}
.page-products .hero-text h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 6vw, var(--size-title));
  color: var(--color-primary);
  margin: 0 0 0.5rem;
  line-height: 1.15;
  letter-spacing: 0.02em;
}
.page-products .hero-subtitle {
  font-family: var(--font-accent);
  font-size: var(--size-subtitle);
  color: var(--color-accent-red);
  margin: 0 0 1rem;
  font-weight: 300;
  letter-spacing: 0.08em;
}
.page-products .hero-desc {
  font-family: var(--font-body);
  font-size: var(--size-body);
  color: var(--color-text);
  max-width: 48rem;
  line-height: 1.7;
  margin: 0;
}
.page-products .hero-figure {
  margin-top: var(--spacing-sm);
}
.page-products .hero-img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  background: var(--color-bg-light);
}
.page-products .figure-caption {
  display: inline-block;
  margin-top: 0.5rem;
  font-family: var(--font-accent);
  font-size: var(--size-small);
  color: var(--color-primary);
  opacity: 0.6;
  letter-spacing: 0.05em;
  border-left: 2px solid var(--color-accent-gold);
  padding-left: 0.75rem;
}

/* ── 左右布局容器 ── */
.page-products .services-layout {
  display: flex;
  gap: var(--card-gap);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem var(--spacing-xl);
  position: relative;
}

/* ── 左侧索引 ── */
.page-products .services-index {
  flex-shrink: 0;
  width: var(--index-width);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  position: sticky;
  top: 1.5rem;
  align-self: flex-start;
  padding-top: 0.25rem;
}
.page-products .index-header {
  font-family: var(--font-heading);
  font-size: var(--size-small);
  color: var(--color-primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  margin-bottom: 1rem;
  opacity: 0.5;
  padding-left: 0.25rem;
}
.page-products .index-item {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-accent);
  font-size: var(--size-small);
  background: transparent;
  border-left: 2px solid var(--color-border-subtle);
  padding: 0.75rem 0.35rem;
  transition: background 0.25s, border-color 0.25s, color 0.25s;
  min-height: 5.5rem;
  position: relative;
}
.page-products .index-item .index-text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.08em;
  line-height: 1.2;
}
.page-products .index-item::before {
  content: attr(data-index);
  position: absolute;
  top: 0.2rem;
  right: 0.3rem;
  font-size: 0.55rem;
  font-family: var(--font-accent);
  color: var(--color-accent-gold);
  opacity: 0.6;
  writing-mode: vertical-rl;
}
.page-products .index-item:hover,
.page-products .index-item:focus-visible {
  background: var(--color-glass);
  border-left-color: var(--color-accent-red);
  color: var(--color-accent-red);
  outline: none;
}
.page-products .index-item:focus-visible {
  box-shadow: 0 0 0 2px var(--color-accent-gold);
}

/* ── 右侧详情 ── */
.page-products .services-detail {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--card-gap);
}

/* ── 服务卡片 ── */
.page-products .service-card {
  display: flex;
  gap: var(--spacing-md);
  background: var(--color-glass);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: 6px;
  padding: var(--spacing-lg);
  position: relative;
  border: 1px solid var(--color-border-subtle);
  transition: box-shadow 0.3s, border-color 0.3s;
  scroll-margin-top: 1.5rem;
}
.page-products .service-card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
  border-color: var(--color-accent-gold);
}
.page-products .card-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--color-primary);
  opacity: 0.08;
  line-height: 1;
  flex-shrink: 0;
  width: 2.8rem;
  user-select: none;
}
.page-products .card-content {
  flex: 1;
  min-width: 0;
}
.page-products .card-title {
  font-family: var(--font-heading);
  font-size: var(--size-subtitle);
  color: var(--color-primary);
  margin: 0 0 0.75rem;
  line-height: 1.25;
  letter-spacing: 0.02em;
}
.page-products .card-desc {
  font-family: var(--font-body);
  font-size: var(--size-body);
  color: var(--color-text);
  line-height: 1.7;
  margin: 0 0 var(--spacing-md);
  max-width: 48rem;
}
.page-products .card-visual {
  margin-top: var(--spacing-sm);
}
.page-products .card-visual img,
.page-products .card-visual-sm img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 3px;
  background: var(--color-bg-light);
}
.page-products .card-visual-sm img {
  max-width: 220px;
}
.page-products .card-accent-line {
  position: absolute;
  bottom: 0;
  left: var(--spacing-lg);
  right: var(--spacing-lg);
  height: var(--accent-border-height);
  background: linear-gradient(90deg, var(--color-accent-red), var(--color-accent-gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
  border-radius: 0 0 2px 2px;
}
.page-products .service-card:hover .card-accent-line {
  transform: scaleX(1);
}

/* ── 服务链接列表（卡片05） ── */
.page-products .service-links {
  list-style: none;
  padding: 0;
  margin: var(--spacing-sm) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}
.page-products .service-link {
  font-family: var(--font-accent);
  font-size: var(--size-body);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s, color 0.25s;
  padding-bottom: 0.15rem;
}
.page-products .service-link:hover,
.page-products .service-link:focus-visible {
  color: var(--color-accent-red);
  border-bottom-color: var(--color-accent-red);
  outline: none;
}
.page-products .service-link:focus-visible {
  box-shadow: 0 0 0 2px var(--color-accent-gold);
}

/* ── 信任声明 ── */
.page-products .services-trust {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-lg) 1.5rem var(--spacing-xl);
  text-align: center;
}
.page-products .trust-divider {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
  opacity: 0.25;
}
.page-products .trust-text {
  font-family: var(--font-body);
  font-size: var(--size-small);
  color: var(--color-text);
  opacity: 0.65;
  max-width: 36rem;
  margin: 0 auto;
  line-height: 1.8;
}

/* ── 移动端优先适配 ── */
@media (max-width: 767px) {
  .page-products .services-breadcrumb {
    padding: 0.75rem 1rem 0;
    font-size: 0.7rem;
  }
  .page-products .services-hero {
    padding: var(--spacing-md) 1rem var(--spacing-lg);
    gap: var(--spacing-md);
  }
  .page-products .hero-subtitle {
    font-size: 1.2rem;
  }
  .page-products .services-layout {
    flex-direction: column;
    padding: 0 1rem var(--spacing-lg);
    gap: 1.5rem;
  }
  .page-products .services-index {
    position: static;
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border-subtle);
    margin-bottom: 0.5rem;
  }
  .page-products .index-header {
    display: none;
  }
  .page-products .index-item {
    flex: 0 0 auto;
    min-height: 2.6rem;
    padding: 0.4rem 0.8rem;
    border-left: none;
    border-bottom: 2px solid var(--color-border-subtle);
    writing-mode: horizontal-tb;
  }
  .page-products .index-item .index-text {
    writing-mode: horizontal-tb;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
  }
  .page-products .index-item::before {
    display: none;
  }
  .page-products .index-item:hover,
  .page-products .index-item:focus-visible {
    border-left: none;
    border-bottom-color: var(--color-accent-red);
    background: var(--color-glass);
  }
  .page-products .service-card {
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
  }
  .page-products .card-number {
    font-size: 2.2rem;
    width: auto;
    position: absolute;
    top: 0.5rem;
    right: 0.75rem;
    opacity: 0.06;
  }
  .page-products .card-title {
    font-size: 1.3rem;
  }
  .page-products .card-visual-sm img {
    max-width: 100%;
  }
  .page-products .service-links {
    flex-direction: column;
    gap: 0.5rem;
  }
  .page-products .services-trust {
    padding: var(--spacing-md) 1rem var(--spacing-lg);
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .page-products .services-index {
    width: 3.8rem;
  }
  .page-products .index-item {
    min-height: 4.5rem;
    padding: 0.6rem 0.25rem;
  }
  .page-products .index-item .index-text {
    font-size: 0.7rem;
  }
  .page-products .card-number {
    width: 2rem;
    font-size: 2.4rem;
  }
  .page-products .service-card {
    padding: var(--spacing-md);
  }
  .page-products .card-visual-sm img {
    max-width: 180px;
  }
}

@media (min-width: 1024px) {
  .page-products .services-hero {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .page-products .hero-text {
    flex: 1 1 50%;
  }
  .page-products .hero-figure {
    flex: 1 1 45%;
    margin-top: 0;
  }
  .page-products .hero-img {
    max-height: 380px;
    width: 100%;
  }
  .page-products .service-card {
    padding: var(--spacing-xl);
  }
  .page-products .card-number {
    font-size: 3.6rem;
    width: 3.2rem;
  }
}

/* ── 滚动显现 ── */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.page-products [data-reveal][data-revealed] {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── 打印优化 ── */
@media print {
  .page-products .services-index {
    display: none;
  }
  .page-products .service-card {
    break-inside: avoid;
    background: none;
    backdrop-filter: none;
    border: 1px solid #ccc;
    box-shadow: none;
  }
  .page-products .card-accent-line {
    display: none;
  }
}
</PAGE_CSS>