/* ===== 服务项目页专属样式 ===== */
.page-products {
  --card-radius: 1.25rem;
  --card-glow: 0 0 1.5rem rgba(245, 197, 24, 0.08);
  --card-transition: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  --stat-size-lg: 4.5rem;
  --stat-size-sm: 3.25rem;
  --banner-min-height: 320px;

  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 1.25rem 1rem 3rem;
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  color: var(--color-white, #fff);
  background: transparent;
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
}

/* 面包屑 */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-small, 0.875rem);
  color: var(--color-gray, #b0b8c4);
  padding: 0.25rem 0;
}

.page-products .breadcrumb a {
  color: var(--color-accent, #f5c518);
  text-decoration: none;
  transition: opacity 0.25s;
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  opacity: 0.75;
  text-decoration: underline;
}

.page-products .breadcrumb-sep {
  color: var(--color-border, #2d3a4a);
  font-size: 1.2em;
}

/* 顶部横幅 */
.page-products .hero-banner {
  position: relative;
  border-radius: var(--card-radius);
  overflow: hidden;
  min-height: var(--banner-min-height);
  background: var(--color-dark, #0d1117);
  box-shadow: var(--card-glow);
}

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

.page-products .hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem 2rem 2.5rem;
  background: linear-gradient(to top, rgba(11,29,58,0.92) 0%, rgba(11,29,58,0.30) 55%, transparent 100%);
  pointer-events: none;
}

.page-products .hero-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: var(--text-h1, 2rem);
  font-weight: 800;
  font-style: italic;
  line-height: var(--line-height-heading, 1.1);
  color: var(--color-accent, #f5c518);
  margin: 0 0 0.3rem;
  text-shadow: 0 2px 16px rgba(0,0,0,0.6);
  letter-spacing: -0.02em;
}

.page-products .hero-subtitle {
  font-size: calc(var(--text-body, 1rem) * 1.15);
  color: var(--color-white, #fff);
  opacity: 0.85;
  margin: 0;
  font-weight: 400;
  letter-spacing: 0.04em;
}

/* 快速导航标签 */
.page-products .service-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.25rem 0;
  scroll-behavior: smooth;
}

.page-products .tab-link {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  font-size: var(--text-small, 0.875rem);
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--color-gray, #b0b8c4);
  background: var(--color-card, #1a2332);
  border: 1px solid var(--color-border, #2d3a4a);
  border-radius: 2rem;
  text-decoration: none;
  transition: var(--card-transition);
  white-space: nowrap;
}

.page-products .tab-link:hover,
.page-products .tab-link:focus-visible {
  color: var(--color-primary, #0b1d3a);
  background: var(--color-accent, #f5c518);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(245, 197, 24, 0.25);
}

/* 服务卡片网格 */
.page-products .services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

/* 卡片通用 */
.page-products .service-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--card-radius);
  overflow: hidden;
  background: var(--color-card, #1a2332);
  border: 1px solid var(--color-border, #2d3a4a);
  box-shadow: 0 4px 24px rgba(0,0,0,0.30);
  transition: var(--card-transition);
  scroll-margin-top: 5rem;
}

.page-products .service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.45), var(--card-glow);
  border-color: rgba(245, 197, 24, 0.25);
}

/* 每个卡片独立渐变背景 */
.page-products .card--subscribe {
  background: linear-gradient(145deg, #0b1d3a 0%, #142b5a 100%);
}

.page-products .card--update {
  background: linear-gradient(145deg, #0b1d3a 0%, #0f3a3a 100%);
}

.page-products .card--live {
  background: linear-gradient(145deg, #0b1d3a 0%, #3a2a1a 100%);
}

.page-products .card--history {
  background: linear-gradient(145deg, #0b1d3a 0%, #2a1a30 100%);
}

/* 卡片图片区 */
.page-products .card-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--color-dark, #0d1117);
}

.page-products .card-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.6s ease;
}

.page-products .service-card:hover .card-img {
  transform: scale(1.05);
}

/* 卡片内容体 */
.page-products .card-body {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.25rem 1.25rem 1.5rem;
  flex: 1;
}

.page-products .card-meta {
  display: inline-block;
  align-self: flex-start;
  padding: 0.2rem 0.7rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent, #f5c518);
  background: rgba(245, 197, 24, 0.12);
  border-radius: 1rem;
  border: 1px solid rgba(245, 197, 24, 0.18);
}

.page-products .card-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: var(--text-h3, 1.25rem);
  font-weight: 800;
  font-style: italic;
  line-height: var(--line-height-heading, 1.1);
  color: var(--color-white, #fff);
  margin: 0;
}

/* 统计数字区 */
.page-products .card-stat {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin: 0.2rem 0 0.1rem;
}

.page-products .stat-number {
  font-family: var(--font-number, 'Montserrat', sans-serif);
  font-size: var(--stat-size-lg);
  font-weight: 900;
  line-height: 1;
  color: var(--color-accent, #f5c518);
  text-shadow: 0 0 20px rgba(245, 197, 24, 0.25);
  animation: statPulse 1.5s ease-in-out var(--anim-delay, 0s) infinite alternate;
}

.page-products .stat-number--sm {
  font-size: var(--stat-size-sm);
}

.page-products .stat-label {
  font-size: calc(var(--text-small, 0.875rem) * 0.95);
  color: var(--color-gray, #b0b8c4);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.page-products .card-desc {
  font-size: var(--text-body, 1rem);
  line-height: var(--line-height-body, 1.7);
  color: var(--color-white, #fff);
  opacity: 0.78;
  margin: 0;
}

/* 折叠详情 — 原生 details/summary */
.page-products .card-details {
  margin-top: auto;
  border-top: 1px solid var(--color-border, #2d3a4a);
  padding-top: 0.75rem;
}

.page-products .card-details-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: var(--text-small, 0.875rem);
  font-weight: 700;
  color: var(--color-accent, #f5c518);
  cursor: pointer;
  list-style: none;
  padding: 0.25rem 0;
  transition: opacity 0.3s;
  user-select: none;
}

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

.page-products .card-details-toggle::after {
  content: '＋';
  font-size: 1.1em;
  font-weight: 400;
  transition: transform 0.35s ease;
}

.page-products .card-details[open] .card-details-toggle::after {
  content: '−';
  transform: rotate(180deg);
}

.page-products .card-details-toggle:hover {
  opacity: 0.7;
}

.page-products .card-details-body {
  padding: 0.75rem 0 0.25rem;
  font-size: var(--text-small, 0.875rem);
  line-height: var(--line-height-body, 1.7);
  color: var(--color-gray, #b0b8c4);
  border-top: 1px solid rgba(45,58,74,0.4);
  margin-top: 0.5rem;
}

.page-products .card-details-body p {
  margin: 0;
}

/* CTA 横幅 */
.page-products .cta-banner {
  margin-top: 1rem;
  padding: 2rem 1.5rem;
  border-radius: var(--card-radius);
  background: linear-gradient(135deg, var(--color-primary, #0b1d3a) 0%, #1a2a4a 100%);
  border: 1px solid var(--color-border, #2d3a4a);
  text-align: center;
  box-shadow: var(--card-glow);
}

.page-products .cta-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: var(--text-h2, 1.75rem);
  font-weight: 800;
  font-style: italic;
  color: var(--color-accent, #f5c518);
  margin: 0 0 0.5rem;
}

.page-products .cta-text {
  font-size: var(--text-body, 1rem);
  color: var(--color-gray, #b0b8c4);
  margin: 0;
}

.page-products .cta-text a {
  color: var(--color-accent, #f5c518);
  text-decoration: underline;
  font-weight: 600;
  transition: opacity 0.3s;
}

.page-products .cta-text a:hover {
  opacity: 0.75;
}

/* 返回顶部按钮 */
.page-products .back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.25rem;
  z-index: 80;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 2px solid var(--color-accent, #f5c518);
  background: var(--color-primary, #0b1d3a);
  color: var(--color-accent, #f5c518);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--card-transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.45);
}

.page-products .back-to-top[data-visible] {
  opacity: 1;
  visibility: visible;
}

.page-products .back-to-top:hover,
.page-products .back-to-top:focus-visible {
  background: var(--color-accent, #f5c518);
  color: var(--color-primary, #0b1d3a);
  transform: translateY(-4px);
}

/* 数字脉冲动画 */
@keyframes statPulse {
  0% {
    opacity: 0.88;
    transform: scale(1);
    text-shadow: 0 0 16px rgba(245, 197, 24, 0.15);
  }
  100% {
    opacity: 1;
    transform: scale(1.04);
    text-shadow: 0 0 32px rgba(245, 197, 24, 0.40);
  }
}

/* ===== 响应式：平板 600px+ ===== */
@media (min-width: 640px) {
  .page-products {
    padding: 1.5rem 1.5rem 4rem;
    gap: 2.5rem;
  }

  .page-products .services-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .page-products .hero-overlay {
    padding: 2.5rem 3rem;
  }

  .page-products .hero-title {
    font-size: calc(var(--text-h1, 2rem) * 1.2);
  }

  .page-products .hero-subtitle {
    font-size: calc(var(--text-body, 1rem) * 1.3);
  }

  .page-products .card-body {
    padding: 1.25rem 1.25rem 1.75rem;
  }

  .page-products .stat-number {
    --stat-size-lg: 5rem;
  }

  .page-products .stat-number--sm {
    --stat-size-sm: 3.75rem;
  }

  .page-products .cta-banner {
    padding: 2.5rem 3rem;
  }

  .page-products .back-to-top {
    bottom: 2rem;
    right: 1.75rem;
  }
}

/* ===== 响应式：桌面 900px+ ===== */
@media (min-width: 900px) {
  .page-products {
    padding: 2rem 2rem 5rem;
    gap: 3rem;
  }

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

  .page-products .hero-banner {
    --banner-min-height: 380px;
    border-radius: 1.5rem;
  }

  .page-products .hero-overlay {
    padding: 3rem 3.5rem;
  }

  .page-products .hero-title {
    font-size: calc(var(--text-h1, 2rem) * 1.5);
  }

  .page-products .service-card {
    border-radius: 1.5rem;
  }

  .page-products .card-body {
    padding: 1.5rem 1.75rem 2rem;
  }

  .page-products .card-title {
    font-size: var(--text-h3, 1.75rem);
  }

  .page-products .stat-number {
    --stat-size-lg: 5.5rem;
  }

  .page-products .stat-number--sm {
    --stat-size-sm: 4rem;
  }

  .page-products .cta-banner {
    border-radius: 1.5rem;
    padding: 3rem 4rem;
  }

  .page-products .cta-title {
    font-size: var(--text-h2, 2.25rem);
  }
}

.page-products {
  --anim-delay: inherit;
}