/* ===== 产品中心专属样式 ===== */
.page-products {
  --products-gap: 2rem;
  --products-radius: 8px;
  --products-transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --products-card-min-height: 220px;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-lg) 0;
  position: relative;
}

/* ---- 面包屑 ---- */
.page-products .products-breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto var(--space-md);
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-caption);
  color: var(--color-muted);
}
.page-products .products-breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}
.page-products .products-breadcrumb a:hover {
  color: var(--color-white);
}
.page-products .breadcrumb-sep {
  color: var(--color-muted);
  opacity: 0.5;
}
.page-products .products-breadcrumb [aria-current="page"] {
  color: var(--color-white);
  font-weight: 600;
}

/* ---- 标题区 ---- */
.page-products .products-hero {
  max-width: var(--max-width);
  margin: 0 auto var(--space-lg);
  padding: 0 var(--space-md);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-md);
  position: relative;
}
.page-products .hero-text {
  flex: 2 1 360px;
  position: relative;
  z-index: 1;
}
.page-products .products-hero-title {
  font-size: var(--text-h1);
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 var(--space-xs);
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--color-white) 60%, var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.page-products .products-hero-sub {
  font-size: var(--text-h3);
  font-weight: 400;
  color: var(--color-muted);
  margin: 0 0 var(--space-sm);
  max-width: 32ch;
}
.page-products .hero-deco {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.6em;
  color: var(--color-accent);
  opacity: 0.4;
  writing-mode: horizontal-tb;
  font-weight: 600;
  margin-top: var(--space-xs);
}
.page-products .hero-version {
  flex: 0 1 240px;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  align-items: flex-end;
  text-align: right;
}
.page-products .version-badge {
  display: inline-block;
  padding: 0.2rem 1rem;
  border: 1px solid var(--color-gold);
  border-radius: 2px;
  font-weight: 700;
  font-size: var(--text-caption);
  color: var(--color-gold);
  letter-spacing: 0.08em;
}
.page-products .version-track {
  width: 100%;
  height: 4px;
  background: var(--color-card);
  border-radius: 2px;
  overflow: hidden;
}
.page-products .version-fill {
  display: block;
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 2px;
  transition: width 1.2s ease;
  animation: versionPulse 2.4s ease-in-out infinite alternate;
}
@keyframes versionPulse {
  0% { opacity: 0.8; }
  100% { opacity: 1; }
}
.page-products .version-label {
  color: var(--color-muted);
  margin-top: 0.2rem;
}

/* ---- 通用区标题 ---- */
.page-products .section-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  max-width: var(--max-width);
  padding: 0 var(--space-md);
  margin-left: auto;
  margin-right: auto;
}
.page-products .label-num {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  opacity: 0.5;
  font-feature-settings: "tnum";
}
.page-products .products-section-title {
  font-size: var(--text-h2);
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}

/* ---- 斜线装饰复用（加粗变体） ---- */
.page-products .slash-divider {
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), transparent 80%);
  margin: var(--space-lg) auto;
  max-width: var(--max-width);
  width: calc(100% - 2 * var(--space-md));
  opacity: 0.3;
}

/* ---- 核心服务区 ---- */
.page-products .core-services {
  max-width: var(--max-width);
  margin: 0 auto var(--space-xl);
  padding: 0 var(--space-md);
}
.page-products .services-banner {
  margin: 0 0 var(--space-lg);
  border-radius: var(--bevel-size);
  overflow: hidden;
  position: relative;
}
.page-products .banner-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--bevel-size);
}
.page-products .services-banner figcaption {
  margin-top: var(--space-xs);
  text-align: right;
  padding: 0 var(--space-xs);
}
.page-products .core-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

/* ---- 翻转卡片 ---- */
.page-products .flip-card {
  perspective: 1000px;
  min-height: var(--products-card-min-height);
}
.page-products .flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: var(--products-card-min-height);
  transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  transform-style: preserve-3d;
}
.page-products .flip-card:hover .flip-card-inner,
.page-products .flip-card:focus-within .flip-card-inner {
  transform: rotateY(180deg);
}
.page-products .flip-card-front,
.page-products .flip-card-back {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-md);
  backface-visibility: hidden;
  border-radius: var(--bevel-size);
  text-align: center;
  min-height: var(--products-card-min-height);
}
.page-products .flip-card-front {
  background: var(--color-card);
  border: 1px solid rgba(0, 229, 255, 0.15);
  clip-path: polygon(0 0, calc(100% - var(--bevel-size)) 0, 100% var(--bevel-size), 100% 100%, var(--bevel-size) 100%, 0 calc(100% - var(--bevel-size)));
}
.page-products .flip-card-back {
  background: var(--color-dark);
  border: 1px solid var(--color-accent);
  transform: rotateY(180deg);
  clip-path: polygon(0 0, calc(100% - var(--bevel-size)) 0, 100% var(--bevel-size), 100% 100%, var(--bevel-size) 100%, 0 calc(100% - var(--bevel-size)));
}
.page-products .card-icon {
  font-size: 2.8rem;
  line-height: 1;
  margin-bottom: var(--space-sm);
  display: block;
}
.page-products .card-title {
  font-size: var(--text-h3);
  font-weight: 700;
  margin: 0;
  color: var(--color-white);
}
.page-products .flip-card-back p {
  font-size: var(--text-body);
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0;
  max-width: 26ch;
}

/* ---- 服务清单详解 ---- */
.page-products .service-detail {
  max-width: var(--max-width);
  margin: 0 auto var(--space-xl);
  padding: 0 var(--space-md);
}
.page-products .detail-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-lg);
  align-items: start;
}
.page-products .detail-figure {
  margin: 0;
  border-radius: var(--bevel-size);
  overflow: hidden;
  position: sticky;
  top: calc(var(--header-height) + var(--space-md));
}
.page-products .detail-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--bevel-size);
}
.page-products .detail-figure figcaption {
  margin-top: var(--space-xs);
  text-align: center;
}
.page-products .detail-panels {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.page-products .detail-intro {
  font-size: var(--text-body);
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0 0 var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid rgba(0, 229, 255, 0.15);
}

/* ---- 折叠面板 ---- */
.page-products .fold-panel {
  background: var(--color-card);
  border-radius: var(--bevel-size);
  clip-path: polygon(0 0, calc(100% - var(--bevel-size)) 0, 100% var(--bevel-size), 100% 100%, var(--bevel-size) 100%, 0 calc(100% - var(--bevel-size)));
  overflow: hidden;
  border: 1px solid rgba(0, 229, 255, 0.08);
  transition: border-color var(--transition);
}
.page-products .fold-panel[open] {
  border-color: rgba(0, 229, 255, 0.3);
}
.page-products .fold-summary {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: var(--text-h3);
  transition: background var(--transition);
  user-select: none;
}
.page-products .fold-summary::-webkit-details-marker {
  display: none;
}
.page-products .fold-summary:hover {
  background: rgba(0, 229, 255, 0.05);
}
.page-products .fold-icon {
  font-size: 1.4rem;
  line-height: 1;
  flex-shrink: 0;
}
.page-products .fold-label {
  flex: 1;
  color: var(--color-white);
}
.page-products .fold-marker {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(45deg);
  transition: transform var(--transition);
}
.page-products .fold-panel[open] .fold-marker {
  transform: rotate(-135deg);
}
.page-products .fold-body {
  padding: 0 var(--space-md) var(--space-md);
  border-top: 1px solid rgba(0, 229, 255, 0.1);
  padding-top: var(--space-sm);
}
.page-products .fold-body p {
  color: var(--color-muted);
  line-height: 1.7;
  margin: 0 0 var(--space-sm);
}
.page-products .fold-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.page-products .fold-list li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--color-white);
  font-size: var(--text-body);
}
.page-products .fold-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 1px;
  transform: rotate(45deg);
}
.page-products .version-note {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(255, 215, 0, 0.06);
  border-radius: 4px;
  border-left: 3px solid var(--color-gold);
}
.page-products .version-note .caption {
  color: var(--color-muted);
}

/* ---- 使用场景 ---- */
.page-products .use-case {
  max-width: var(--max-width);
  margin: 0 auto var(--space-xl);
  padding: 0 var(--space-md);
}
.page-products .use-case-content {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}
.page-products .use-case-figure {
  margin: 0;
  border-radius: var(--bevel-size);
  overflow: hidden;
  position: relative;
}
.page-products .use-case-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--bevel-size);
}
.page-products .use-case-figure figcaption {
  margin-top: var(--space-xs);
  text-align: right;
}
.page-products .use-case-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.page-products .text-highlight {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.6;
  margin: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-card);
  border-radius: var(--bevel-size);
  clip-path: polygon(0 0, calc(100% - var(--bevel-size)) 0, 100% var(--bevel-size), 100% 100%, var(--bevel-size) 100%, 0 calc(100% - var(--bevel-size)));
  border-left: 4px solid var(--color-accent);
}
.page-products .use-case-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.page-products .use-case-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  color: var(--color-white);
  font-size: var(--text-body);
  line-height: 1.5;
}
.page-products .list-marker {
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.1em;
}
.page-products .use-case-link {
  align-self: flex-start;
  margin-top: var(--space-xs);
}

/* ---- 数据简报 ---- */
.page-products .data-brief {
  max-width: var(--max-width);
  margin: 0 auto var(--space-xl);
  padding: 0 var(--space-md);
}
.page-products .brief-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}
.page-products .brief-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.page-products .brief-desc {
  color: var(--color-muted);
  line-height: 1.7;
  margin: 0;
  font-size: var(--text-body);
}
.page-products .brief-metrics {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.page-products .metric {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-card);
  border-radius: var(--bevel-size);
  clip-path: polygon(0 0, calc(100% - var(--bevel-size)) 0, 100% var(--bevel-size), 100% 100%, var(--bevel-size) 100%, 0 calc(100% - var(--bevel-size)));
  min-width: 100px;
}
.page-products .metric-value {
  font-size: var(--text-h3);
  font-weight: 800;
  line-height: 1;
  color: var(--color-gold);
}
.page-products .metric-label {
  color: var(--color-muted);
}
.page-products .brief-figure {
  margin: 0;
  border-radius: var(--bevel-size);
  overflow: hidden;
}
.page-products .brief-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--bevel-size);
}
.page-products .brief-figure figcaption {
  margin-top: var(--space-xs);
  text-align: center;
}

/* ---- 看战报入口说明 ---- */
.page-products .cta-note-section {
  max-width: var(--max-width);
  margin: 0 auto var(--space-xl);
  padding: 0 var(--space-md);
}
.page-products .cta-note-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-lg);
  align-items: center;
}
.page-products .cta-figure {
  margin: 0;
  border-radius: var(--bevel-size);
  overflow: hidden;
}
.page-products .cta-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--bevel-size);
}
.page-products .cta-figure figcaption {
  margin-top: var(--space-xs);
  text-align: center;
}
.page-products .cta-note-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.page-products .cta-note-text p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.7;
}
.page-products .cta-note-text p:first-of-type {
  color: var(--color-white);
  font-size: 1.05rem;
}
.page-products .cta-note-link {
  align-self: flex-start;
  margin-top: var(--space-xs);
}

/* ---- 底部间距 ---- */
.page-products .products-footer-spacer {
  height: var(--space-sm);
}

/* ==================== 响应式 ==================== */

/* 窄屏：≤ 768px */
@media (max-width: 768px) {
  .page-products {
    padding: var(--space-md) 0;
  }
  .page-products .products-hero {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
  .page-products .hero-version {
    align-items: flex-start;
    width: 100%;
  }
  .page-products .hero-deco {
    writing-mode: horizontal-tb;
    letter-spacing: 0.3em;
    font-size: 0.65rem;
  }
  .page-products .core-grid {
    grid-template-columns: 1fr;
  }
  .page-products .detail-layout {
    grid-template-columns: 1fr;
  }
  .page-products .detail-figure {
    position: static;
  }
  .page-products .use-case-content {
    grid-template-columns: 1fr;
  }
  .page-products .brief-layout {
    grid-template-columns: 1fr;
  }
  .page-products .brief-metrics {
    flex-direction: column;
  }
  .page-products .cta-note-layout {
    grid-template-columns: 1fr;
  }
  .page-products .cta-figure {
    max-width: 200px;
  }
  .page-products .products-section-title {
    font-size: var(--text-h3);
  }
  .page-products .section-label {
    flex-wrap: wrap;
  }
  .page-products .flip-card-inner {
    min-height: 180px;
  }
  .page-products .flip-card-front,
  .page-products .flip-card-back {
    min-height: 180px;
    padding: var(--space-sm);
  }
  .page-products .services-banner {
    margin-bottom: var(--space-md);
  }
  .page-products .text-highlight {
    font-size: 1rem;
    padding: var(--space-sm);
  }
}

/* 中屏：769-1024px */
@media (min-width: 769px) and (max-width: 1024px) {
  .page-products .core-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .detail-layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
  .page-products .use-case-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
  .page-products .brief-layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
  .page-products .cta-note-layout {
    grid-template-columns: 240px 1fr;
    gap: var(--space-md);
  }
  .page-products .products-hero-title {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
  }
}

/* 宽屏安全限制 */
@media (min-width: 1400px) {
  .page-products .core-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-products .brief-metrics {
    gap: var(--space-lg);
  }
}
<<<END>>>