/* ===== 产品中心页面专属样式 ===== */
.page-products {
  --card-clip: polygon(0 0, calc(100% - 1.25rem) 0, 100% 1.25rem, 100% 100%, 1.25rem 100%, 0 calc(100% - 1.25rem));
  --card-clip-hover: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  --banner-clip: polygon(0 0, 100% 0, 100% calc(100% - 1.5rem), calc(100% - 2rem) 100%, 0 100%);
  --grid-gap: 1.5rem;
  --card-padding: 1.75rem;
  --radius-sm: 0.25rem;
  font-family: var(--font-body, 'Lora', Georgia, serif);
  color: var(--color-bg-dark, #0F1A1C);
  background: var(--color-bg-light, #F4F1EA);
  padding: 0 1rem 3rem;
  max-width: 1280px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.25rem 0 0.75rem;
  font-family: var(--font-heading, 'Montserrat', system-ui, sans-serif);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--color-neutral, #6B7280);
}

.page-products .breadcrumb a {
  color: var(--color-grass, #2D6A4F);
  text-decoration: none;
  transition: color 0.2s;
}

.page-products .breadcrumb a:hover {
  color: var(--color-gold, #C9A96E);
}

.page-products .breadcrumb-sep {
  color: var(--color-neutral, #6B7280);
  font-size: 0.7rem;
}

.page-products .breadcrumb-current {
  font-weight: 600;
  color: var(--color-sky, #1B3A4B);
}

/* ---------- 服务横幅 ---------- */
.page-products .service-banner {
  position: relative;
  clip-path: var(--banner-clip);
  overflow: hidden;
  margin-bottom: 1.5rem;
  background: var(--color-bg-dark, #0F1A1C);
  aspect-ratio: 1920 / 300;
  max-height: 300px;
}

.page-products .banner-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.page-products .banner-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.5rem 2rem;
  background: linear-gradient(135deg, rgba(15,26,28,0.72) 0%, rgba(15,26,28,0.28) 100%);
}

.page-products .banner-title {
  font-family: var(--font-heading, 'Montserrat', system-ui, sans-serif);
  font-weight: 700;
  font-size: 2.2rem;
  color: var(--color-bg-light, #F4F1EA);
  margin: 0 0 0.25rem;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 8px rgba(0,0,0,0.35);
}

.page-products .banner-desc {
  font-family: var(--font-heading, 'Montserrat', system-ui, sans-serif);
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--color-gold, #C9A96E);
  margin: 0;
  letter-spacing: 0.06em;
  opacity: 0.92;
}

/* ---------- 状态提示 ---------- */
.page-products .status-notice {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.25rem;
  margin-bottom: 2rem;
  background: rgba(45,106,79,0.08);
  border-left: 4px solid var(--color-warning, #F59E0B);
  border-radius: 0 var(--radius-sm, 0.25rem) var(--radius-sm, 0.25rem) 0;
  font-size: 0.9rem;
  color: var(--color-sky, #1B3A4B);
}

.page-products .status-dot {
  flex-shrink: 0;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--color-warning, #F59E0B);
  animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.page-products .status-text {
  font-weight: 450;
}

/* ---------- 服务卡片网格 ---------- */
.page-products .service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
  margin-bottom: 2.5rem;
}

/* ---------- 单张卡片 ---------- */
.page-products .service-card {
  display: block;
  background: #ffffff;
  clip-path: var(--card-clip);
  border: 1px solid rgba(27,58,75,0.08);
  transition: clip-path 0.35s ease, box-shadow 0.35s ease, border-color 0.35s;
  box-shadow: 0 2px 12px rgba(15,26,28,0.04);
  overflow: hidden;
}

.page-products .service-card[open] {
  border-color: rgba(45,106,79,0.2);
  box-shadow: 0 6px 28px rgba(15,26,28,0.08);
}

.page-products .service-card:hover {
  border-color: rgba(45,106,79,0.25);
  box-shadow: 0 8px 32px rgba(15,26,28,0.10);
}

/* ---------- 卡片头部（可点击） ---------- */
.page-products .card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: var(--card-padding);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background 0.25s;
}

.page-products .card-header::-webkit-details-marker {
  display: none;
}

.page-products .card-header:hover {
  background: rgba(45,106,79,0.04);
}

.page-products .card-number {
  flex-shrink: 0;
  font-family: var(--font-heading, 'Montserrat', system-ui, sans-serif);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--color-gold, #C9A96E);
  line-height: 1;
  opacity: 0.7;
  width: 2.2rem;
}

.page-products .card-title {
  flex: 1;
  font-family: var(--font-heading, 'Montserrat', system-ui, sans-serif);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--color-sky, #1B3A4B);
  margin: 0;
  letter-spacing: 0.01em;
}

.page-products .card-toggle {
  flex-shrink: 0;
  font-size: 1.2rem;
  color: var(--color-grass, #2D6A4F);
  transition: transform 0.3s ease;
  line-height: 1;
}

.page-products .service-card[open] .card-toggle {
  transform: rotate(180deg);
}

/* ---------- 卡片正文 ---------- */
.page-products .card-body {
  padding: 0 var(--card-padding) var(--card-padding);
  border-top: 1px solid rgba(27,58,75,0.06);
  padding-top: 1.25rem;
}

.page-products .card-desc {
  font-family: var(--font-body, 'Lora', Georgia, serif);
  font-size: 0.95rem;
  color: var(--color-bg-dark, #0F1A1C);
  margin: 0 0 1.25rem;
  line-height: 1.7;
  max-width: 72ch;
}

/* ---------- 卡片媒体 ---------- */
.page-products .card-media {
  display: block;
  margin-bottom: 1rem;
}

.page-products .card-media.duo {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-products .card-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm, 0.25rem);
  background: var(--color-bg-light, #F4F1EA);
}

.page-products .card-media .media-main {
  aspect-ratio: 800 / 500;
}

.page-products .card-media .media-secondary {
  aspect-ratio: 400 / 300;
  max-width: 100%;
}

.page-products .card-footnote {
  font-family: var(--font-heading, 'Montserrat', system-ui, sans-serif);
  font-size: 0.78rem;
  color: var(--color-neutral, #6B7280);
  margin: 0.5rem 0 0;
  letter-spacing: 0.02em;
  padding-top: 0.5rem;
  border-top: 1px dashed rgba(107,114,128,0.2);
}

/* ---------- 底部链接区 ---------- */
.page-products .service-links {
  padding: 2rem 1.25rem;
  background: rgba(27,58,75,0.03);
  border-radius: var(--radius-sm, 0.25rem);
  border: 1px solid rgba(45,106,79,0.10);
}

.page-products .links-heading {
  font-family: var(--font-heading, 'Montserrat', system-ui, sans-serif);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-sky, #1B3A4B);
  margin: 0 0 1rem;
  letter-spacing: 0.03em;
}

.page-products .links-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.page-products .links-list li {
  font-family: var(--font-body, 'Lora', Georgia, serif);
  font-size: 0.95rem;
}

.page-products .links-list a {
  color: var(--color-grass, #2D6A4F);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

.page-products .links-list a:hover {
  color: var(--color-gold, #C9A96E);
  border-bottom-color: currentColor;
}

/* ===== 桌面端 ≥ 768px ===== */
@media (min-width: 768px) {
  .page-products {
    padding: 0 2rem 4rem;
  }

  .page-products .breadcrumb {
    padding: 1.75rem 0 1rem;
    font-size: 0.85rem;
  }

  .page-products .service-banner {
    margin-bottom: 2rem;
  }

  .page-products .banner-overlay {
    padding: 2rem 3rem;
  }

  .page-products .banner-title {
    font-size: 3rem;
  }

  .page-products .banner-desc {
    font-size: 1.1rem;
  }

  .page-products .status-notice {
    padding: 0.9rem 1.5rem;
    margin-bottom: 2.5rem;
    font-size: 0.95rem;
  }

  /* 非对称网格：卡片1宽 2fr，卡片2宽 1fr，卡片3跨两列 */
  .page-products .service-grid {
    grid-template-columns: 2fr 1fr;
    gap: 1.75rem;
  }

  .page-products .service-card:nth-child(3) {
    grid-column: 1 / -1;
  }

  .page-products .card-header {
    padding: 2rem 2rem 1.5rem;
  }

  .page-products .card-body {
    padding: 0 2rem 2rem;
    padding-top: 1.5rem;
  }

  .page-products .card-number {
    font-size: 1.8rem;
    width: 2.6rem;
  }

  .page-products .card-title {
    font-size: 1.4rem;
  }

  .page-products .card-desc {
    font-size: 1rem;
  }

  .page-products .card-media.duo {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-products .card-media .media-main {
    width: 65%;
  }

  .page-products .card-media .media-secondary {
    width: calc(35% - 0.75rem);
    max-width: 100%;
  }

  .page-products .service-links {
    padding: 2.5rem 2rem;
  }

  .page-products .links-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.8rem 2rem;
  }
}

/* ===== 桌面宽屏 ≥ 1024px ===== */
@media (min-width: 1024px) {
  .page-products {
    padding: 0 2.5rem 5rem;
  }

  .page-products .service-grid {
    gap: 2rem;
  }

  .page-products .card-header {
    padding: 2.25rem 2.5rem 1.5rem;
  }

  .page-products .card-body {
    padding: 0 2.5rem 2.5rem;
    padding-top: 1.5rem;
  }

  .page-products .banner-title {
    font-size: 3.4rem;
  }

  .page-products .banner-desc {
    font-size: 1.2rem;
  }

  .page-products .card-title {
    font-size: 1.55rem;
  }
}