/* =============================================
   page-products 专属 CSS (移动端优先)
   所有选择器限定在 .page-products 作用域内
   ============================================= */
.page-products {
  --page-content-pad: clamp(1rem, 4vw, 2.5rem);
  --page-max-width: var(--content-max, 1200px);
  --page-gap-wide: clamp(2rem, 5vw, 4rem);
  --page-gap-narrow: clamp(1rem, 3vw, 2rem);
  --page-radius: 4px;
  /* 各章节主题色 */
  --page-red: #D32F2F;
  --page-blue: #1976D2;
  --page-purple: #9C27B0;
  --page-gold: #FFD54F;
  --page-gold-text: #5D4E00;
  color: var(--color-text, #3E2723);
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  background: var(--color-bg, #FDF5E6);
  position: relative;
}

/* ---- 面包屑 ---- */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4em 0.6em;
  padding: var(--page-content-pad) var(--page-content-pad) 0;
  max-width: var(--page-max-width);
  margin: 0 auto;
  font-size: 0.85rem;
  color: var(--color-text);
  opacity: 0.75;
}
.page-products .breadcrumb-link {
  color: var(--color-accent, #D32F2F);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-default, 0.3s);
}
.page-products .breadcrumb-link:hover,
.page-products .breadcrumb-link:focus-visible {
  border-color: currentColor;
}
.page-products .breadcrumb-sep {
  font-size: 0.75rem;
  opacity: 0.5;
}
.page-products .breadcrumb-current {
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ---- 首屏：服务索引 ---- */
.page-products .services-hero {
  padding: var(--page-content-pad) var(--page-content-pad) 2rem;
  max-width: var(--page-max-width);
  margin: 0 auto;
}
.page-products .hero-title {
  font-family: var(--font-heading, 'Montserrat', 'Exo 2', sans-serif);
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin: 0 0 0.25em;
  line-height: 1.1;
  position: relative;
  display: inline-block;
}
.page-products .hero-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 60%;
  height: 4px;
  background: var(--color-accent, #D32F2F);
  clip-path: polygon(0 0, 100% 0, 90% 100%, 0 100%);
}
.page-products .hero-statement {
  font-size: clamp(0.95rem, 2.2vw, 1.2rem);
  line-height: 1.6;
  color: var(--color-text);
  opacity: 0.8;
  margin: 0.75em 0 1.5em;
  max-width: 38em;
}
.page-products .service-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.page-products .index-item {
  display: flex;
  align-items: center;
  gap: 0.5em 0.75em;
  padding: 0.7em 1.2em 0.7em 1em;
  background: var(--color-white, #FFF);
  border: 1px solid rgba(62,39,35,0.12);
  border-left: 4px solid var(--item-color, var(--color-accent));
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-heading, 'Montserrat', 'Exo 2', sans-serif);
  font-weight: 600;
  font-size: clamp(0.85rem, 1.4vw, 1rem);
  transition: transform var(--transition-default, 0.3s), box-shadow var(--transition-default, 0.3s);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  flex: 1 1 180px;
  min-width: 160px;
}
.page-products .index-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(62,39,35,0.1);
}
.page-products .index-item:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.page-products .index-item--red   { --item-color: var(--page-red); }
.page-products .index-item--blue  { --item-color: var(--page-blue); }
.page-products .index-item--purple { --item-color: var(--page-purple); }
.page-products .index-item--gold  { --item-color: var(--page-gold); }
.page-products .index-num {
  font-size: 1.3em;
  font-weight: 800;
  color: var(--item-color);
  line-height: 1;
  letter-spacing: -0.04em;
}
.page-products .index-label {
  flex: 1;
  line-height: 1.3;
}
.page-products .index-arrow {
  font-size: 1.1em;
  opacity: 0.4;
  transition: opacity var(--transition-default, 0.3s), transform var(--transition-default, 0.3s);
}
.page-products .index-item:hover .index-arrow {
  opacity: 0.8;
  transform: translate(2px, -2px);
}
.page-products .hero-figure {
  margin: 1.5rem 0 0;
  border-radius: var(--page-radius);
  overflow: hidden;
  background: var(--color-dark, #1A1A1A);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}
.page-products .hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 1200 / 300;
}

/* ---- 通用章节布局 ---- */
.page-products .service-chapter {
  position: relative;
  padding: var(--page-content-pad);
  overflow: hidden;
}
.page-products .chapter-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.page-products .chapter-number {
  font-family: var(--font-heading, 'Montserrat', 'Exo 2', sans-serif);
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 900;
  line-height: 1;
  color: var(--ch-number-color, var(--color-accent));
  opacity: 0.08;
  position: absolute;
  top: -0.15em;
  right: clamp(0.5rem, 3vw, 2rem);
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.06em;
}
.page-products .chapter-body {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
}
.page-products .chapter-visual {
  flex-shrink: 0;
  width: 100%;
  max-width: 420px;
  position: relative;
  border-radius: var(--page-radius);
  overflow: hidden;
  background: var(--color-dark, #1A1A1A);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}
.page-products .visual-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.page-products .chapter-visual:hover .visual-img {
  transform: scale(1.02);
}
.page-products .chapter-text {
  flex: 1;
  min-width: 0;
}
.page-products .chapter-heading {
  font-family: var(--font-heading, 'Montserrat', 'Exo 2', sans-serif);
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--ch-heading-color, var(--color-text));
  margin: 0 0 0.5em;
  position: relative;
  display: inline-block;
}
.page-products .chapter-heading::before {
  content: '//';
  color: var(--ch-accent-color, var(--color-accent));
  font-weight: 900;
  margin-right: 0.3em;
  font-size: 0.9em;
  opacity: 0.7;
}
.page-products .chapter-desc {
  font-size: clamp(0.95rem, 1.6vw, 1.08rem);
  line-height: 1.7;
  color: var(--color-text);
  opacity: 0.88;
  margin: 0 0 1em;
  max-width: 32em;
}
.page-products .chapter-desc strong {
  font-weight: 700;
  color: var(--ch-accent-color, var(--color-accent));
}
.page-products .chapter-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.page-products .tag {
  display: inline-block;
  font-family: var(--font-mono, 'SF Mono', 'Fira Code', monospace);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.35em 0.8em;
  border-radius: 2px;
  background: rgba(62,39,35,0.06);
  color: var(--color-text);
  border: 1px solid rgba(62,39,35,0.12);
}
.page-products .tag-live {
  background: rgba(0,230,118,0.12);
  border-color: var(--color-green, #00E676);
  color: #005F30;
}
.page-products .tag-upcoming {
  background: rgba(25,118,210,0.10);
  border-color: var(--color-blue, #1976D2);
  color: #0D3B6E;
}
.page-products .tag-accent {
  background: rgba(211,47,47,0.08);
  border-color: var(--color-accent, #D32F2F);
  color: var(--color-accent-dark, #B71C1C);
}
.page-products .chapter-band {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--ch-band-color, var(--color-accent));
  clip-path: polygon(0 0, 100% 0, 98% 100%, 0 100%);
  opacity: 0.25;
}

/* ---- 章节色系变体 ---- */
.page-products .service-chapter--red {
  --ch-number-color: var(--page-red);
  --ch-heading-color: var(--page-red);
  --ch-accent-color: var(--page-red);
  --ch-band-color: var(--page-red);
  background: linear-gradient(180deg, rgba(211,47,47,0.02) 0%, transparent 40%);
}
.page-products .service-chapter--blue {
  --ch-number-color: var(--page-blue);
  --ch-heading-color: var(--page-blue);
  --ch-accent-color: var(--page-blue);
  --ch-band-color: var(--page-blue);
  background: linear-gradient(180deg, rgba(25,118,210,0.02) 0%, transparent 40%);
}
.page-products .service-chapter--purple {
  --ch-number-color: var(--page-purple);
  --ch-heading-color: var(--page-purple);
  --ch-accent-color: var(--page-purple);
  --ch-band-color: var(--page-purple);
  background: linear-gradient(180deg, rgba(156,39,176,0.02) 0%, transparent 40%);
}
.page-products .service-chapter--gold {
  --ch-number-color: var(--page-gold);
  --ch-heading-color: var(--page-gold-text);
  --ch-accent-color: var(--page-gold);
  --ch-band-color: var(--page-gold);
  background: linear-gradient(180deg, rgba(255,213,79,0.06) 0%, transparent 40%);
}

/* ---- 宽/窄 变体 ---- */
.page-products .service-chapter--wide {
  padding-top: clamp(2.5rem, 6vw, 5rem);
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
}
.page-products .service-chapter--wide .chapter-visual {
  max-width: 500px;
}
.page-products .service-chapter--wide .chapter-text {
  max-width: 34em;
}

.page-products .service-chapter--narrow {
  padding-top: clamp(1.5rem, 4vw, 3rem);
  padding-bottom: clamp(1.5rem, 4vw, 3rem);
}
.page-products .service-chapter--narrow .chapter-visual {
  max-width: 340px;
}
.page-products .service-chapter--narrow .chapter-text {
  max-width: 30em;
}
.page-products .service-chapter--narrow .chapter-desc {
  font-size: clamp(0.9rem, 1.4vw, 1rem);
}

/* ---- 统计章节特殊样式 ---- */
.page-products .visual-overlay {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(26,26,26,0.7);
  backdrop-filter: blur(4px);
  padding: 0.35em 0.9em 0.35em 0.6em;
  border-radius: 20px;
  color: var(--color-white);
  font-size: 0.7rem;
  font-family: var(--font-mono, monospace);
  letter-spacing: 0.03em;
  pointer-events: none;
}
.page-products .overlay-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-green, #00E676);
  animation: pulse-dot 1.8s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(0.75); }
}
.page-products .overlay-label {
  white-space: nowrap;
}

/* ---- 数据点悬停 ---- */
.page-products .stat-preview {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.page-products .stat-dot {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--dot-color, var(--color-accent));
  border: 2px solid var(--color-bg, #FDF5E6);
  box-shadow: 0 0 0 1px rgba(62,39,35,0.15);
  position: relative;
  cursor: default;
  transition: transform var(--transition-default, 0.3s);
}
.page-products .stat-dot:hover {
  transform: scale(1.6);
  z-index: 2;
}
.page-products .stat-dot::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  background: var(--color-dark, #1A1A1A);
  color: var(--color-white);
  padding: 0.25em 0.7em;
  border-radius: 3px;
  font-size: 0.65rem;
  font-family: var(--font-mono, monospace);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-default, 0.3s), transform var(--transition-default, 0.3s);
}
.page-products .stat-dot:hover::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}
.page-products .stat-hint {
  font-size: 0.7rem;
  opacity: 0.4;
  font-style: italic;
}

/* ---- 服务保障声明 ---- */
.page-products .service-trust {
  padding: var(--page-content-pad);
  background: var(--color-dark, #1A1A1A);
  color: var(--color-bg, #FDF5E6);
  clip-path: polygon(0 20px, 100% 0, 100% 100%, 0 100%);
  margin-top: -20px;
}
.page-products .trust-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  text-align: center;
  padding: 2rem 0 1.5rem;
}
.page-products .trust-icon {
  font-size: 2rem;
  color: var(--color-gold, #FFD54F);
  line-height: 1;
  animation: twinkle 3s ease-in-out infinite;
}
@keyframes twinkle {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}
.page-products .trust-text {
  font-size: clamp(0.9rem, 1.6vw, 1.05rem);
  line-height: 1.6;
  max-width: 38em;
  opacity: 0.85;
}
.page-products .trust-inner .btn-outline {
  border-color: var(--color-bg, #FDF5E6);
  color: var(--color-bg, #FDF5E6);
}
.page-products .trust-inner .btn-outline:hover {
  background: rgba(253,245,230,0.1);
}

/* ---- 返回顶部 ---- */
.page-products .back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent, #D32F2F);
  color: var(--color-white);
  border: none;
  font-size: 1.3rem;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-default, 0.3s), transform var(--transition-default, 0.3s);
  box-shadow: 0 4px 14px rgba(211,47,47,0.3);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-products .back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.page-products .back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(211,47,47,0.4);
}
.page-products .back-to-top:focus-visible {
  outline: 2px solid var(--color-gold, #FFD54F);
  outline-offset: 3px;
}

/* =============================================
   桌面端增强 (768px+)
   ============================================= */
@media (min-width: 768px) {
  .page-products .chapter-body {
    flex-direction: row;
    align-items: center;
    gap: var(--page-gap-wide);
  }
  .page-products .chapter-visual {
    flex: 0 0 auto;
  }
  .page-products .chapter-text {
    flex: 1;
  }
  /* 宽章节：图更突出 */
  .page-products .service-chapter--wide .chapter-visual {
    max-width: 480px;
  }
  .page-products .service-chapter--wide .chapter-body {
    gap: var(--page-gap-wide);
  }
  /* 窄章节：文字更突出，图相对小 */
  .page-products .service-chapter--narrow .chapter-visual {
    max-width: 320px;
  }
  .page-products .service-chapter--narrow .chapter-body {
    gap: var(--page-gap-narrow);
  }
  /* 首屏索引更舒展 */
  .page-products .service-index {
    gap: 1rem;
  }
  .page-products .index-item {
    flex: 1 1 200px;
    min-width: 180px;
  }
  /* 章节编号位置调整 */
  .page-products .chapter-number {
    right: clamp(1rem, 5vw, 3rem);
  }
}

/* =============================================
   大桌面 (1024px+)
   ============================================= */
@media (min-width: 1024px) {
  .page-products .services-hero {
    padding-top: 2rem;
  }
  .page-products .hero-title {
    font-size: 3.5rem;
  }
  .page-products .service-index {
    flex-wrap: nowrap;
  }
  .page-products .service-chapter--wide {
    padding-left: calc(var(--page-content-pad) + 2rem);
    padding-right: calc(var(--page-content-pad) + 2rem);
  }
  .page-products .service-chapter--narrow {
    padding-left: calc(var(--page-content-pad) + 4rem);
    padding-right: calc(var(--page-content-pad) + 4rem);
  }
  .page-products .trust-inner {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.2rem;
  }
}

.page-products {
  --dot-color: transparent;
}