/* ===== page-products 页面专属样式 ===== */
.page-products {
  --service-gap: 4rem;
  --service-padding: 2.5rem;
  --border-accent: 4px solid var(--color-accent, #D4A843);
  --shadow-card: 8px 8px 0 rgba(0,0,0,0.4);
  --radius-block: 0;
  color: var(--color-text, #FFFFFF);
}

/* 面包屑 */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 0;
  font-size: 0.875rem;
  color: var(--color-text-muted, #B0B8C4);
  border-bottom: 1px solid rgba(212,168,67,0.2);
  margin-bottom: 2.5rem;
}
.page-products .breadcrumb-link {
  color: var(--color-electric, #00D4FF);
  text-decoration: none;
  transition: color var(--transition-fast, 0.2s ease);
}
.page-products .breadcrumb-link:hover,
.page-products .breadcrumb-link:focus-visible {
  color: var(--color-accent, #D4A843);
  outline: 2px solid var(--color-accent, #D4A843);
  outline-offset: 2px;
}
.page-products .breadcrumb-sep {
  color: var(--color-accent, #D4A843);
  font-size: 0.65rem;
}
.page-products .breadcrumb-current {
  color: var(--color-text, #FFFFFF);
  font-weight: 600;
}

/* 页面标题区 */
.page-products .page-header {
  margin-bottom: 3.5rem;
  border-left: var(--border-accent);
  padding-left: 1.5rem;
}
.page-products .page-title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  font-style: italic;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent, #D4A843);
  margin: 0 0 0.75rem 0;
  line-height: 1.1;
}
.page-products .page-subtitle {
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  color: var(--color-text-muted, #B0B8C4);
  max-width: 680px;
  margin: 0;
  line-height: 1.6;
}

/* 服务块 —— 横向主题带 */
.page-products .service-block {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: var(--service-padding);
  margin-bottom: var(--service-gap);
  background: var(--color-secondary, #1A2A4A);
  border: var(--border-accent);
  box-shadow: var(--shadow-card);
  position: relative;
  transition: box-shadow var(--transition-fast, 0.2s ease), border-color var(--transition-fast, 0.2s ease);
}
.page-products .service-block:hover {
  box-shadow: 12px 12px 0 rgba(0,0,0,0.5);
  border-color: var(--color-electric, #00D4FF);
}

/* 视觉区 */
.page-products .service-block__visual {
  position: relative;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.page-products .service-block__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 2px solid rgba(212,168,67,0.3);
  background: var(--color-primary, #0A1F3F);
}
.page-products .service-block__img--portrait {
  max-width: 240px;
  margin: 0 auto;
}
.page-products .service-block__icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  border: none;
  background: transparent;
  filter: drop-shadow(0 0 6px rgba(0,212,255,0.25));
}

/* 徽章 */
.page-products .service-block__badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--color-electric, #00D4FF);
  color: var(--color-primary, #0A1F3F);
  font-weight: 800;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.8rem;
  border: 2px solid var(--color-accent, #D4A843);
  box-shadow: 3px 3px 0 rgba(0,0,0,0.3);
  pointer-events: none;
}
.page-products .service-block__badge--alt {
  background: var(--color-accent, #D4A843);
  color: var(--color-primary, #0A1F3F);
}

/* 内容区 */
.page-products .service-block__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-products .service-block__heading {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  font-style: italic;
  letter-spacing: 0.02em;
  color: var(--color-accent, #D4A843);
  margin: 0 0 0.25rem 0;
  border-bottom: 2px solid rgba(212,168,67,0.2);
  padding-bottom: 0.5rem;
}
.page-products .service-block__desc {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted, #B0B8C4);
  margin: 0 0 0.75rem 0;
  max-width: 640px;
}
.page-products .service-block__features {
  list-style: none;
  margin: 0 0 1.25rem 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-products .service-block__feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--color-text, #FFFFFF);
  line-height: 1.5;
}
.page-products .feature-icon {
  flex-shrink: 0;
  font-size: 1.1rem;
  width: 1.6rem;
  text-align: center;
  color: var(--color-electric, #00D4FF);
}

/* 按钮强化 */
.page-products .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.8rem;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 3px solid var(--color-accent, #D4A843);
  box-shadow: 5px 5px 0 rgba(0,0,0,0.35);
  transition: transform var(--transition-fast, 0.2s ease), box-shadow var(--transition-fast, 0.2s ease), background var(--transition-fast, 0.2s ease);
  cursor: pointer;
  align-self: flex-start;
}
.page-products .btn-primary {
  background: var(--color-accent, #D4A843);
  color: var(--color-primary, #0A1F3F);
}
.page-products .btn-primary:hover,
.page-products .btn-primary:focus-visible {
  background: transparent;
  color: var(--color-accent, #D4A843);
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 rgba(0,0,0,0.4);
}
.page-products .btn-secondary {
  background: transparent;
  color: var(--color-electric, #00D4FF);
  border-color: var(--color-electric, #00D4FF);
}
.page-products .btn-secondary:hover,
.page-products .btn-secondary:focus-visible {
  background: var(--color-electric, #00D4FF);
  color: var(--color-primary, #0A1F3F);
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 rgba(0,0,0,0.4);
}
.page-products .btn:focus-visible {
  outline: 2px solid var(--color-accent, #D4A843);
  outline-offset: 4px;
}

/* 时间轴 (版本对比) */
.page-products .service-block__timeline-hint {
  font-size: 0.75rem;
  color: var(--color-text-muted, #B0B8C4);
  text-align: center;
  margin-top: 0.25rem;
  letter-spacing: 0.04em;
  opacity: 0.7;
}
.page-products .service-block__timeline {
  width: 100%;
  max-width: 480px;
  background: var(--color-primary, #0A1F3F);
  border: 2px solid rgba(212,168,67,0.3);
  padding: 1rem 1.25rem;
  margin: 0.5rem 0 1rem 0;
  user-select: none;
}
.page-products .timeline-track {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  padding: 0.5rem 0;
}
.page-products .timeline-track::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-electric, #00D4FF);
  opacity: 0.3;
  transform: translateY(-50%);
}
.page-products .timeline-dot {
  position: relative;
  z-index: 1;
  width: 2.2rem;
  height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary, #0A1F3F);
  background: var(--color-accent, #D4A843);
  border: 2px solid var(--color-electric, #00D4FF);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(0,212,255,0.15);
  transition: background var(--transition-fast, 0.2s ease), box-shadow var(--transition-fast, 0.2s ease);
  cursor: default;
}
.page-products .timeline-dot:hover,
.page-products .timeline-dot:focus-visible {
  background: var(--color-electric, #00D4FF);
  box-shadow: 0 0 0 6px rgba(0,212,255,0.3);
  outline: none;
}
.page-products .timeline-dot::after {
  content: attr(data-date);
  position: absolute;
  top: -1.8rem;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 0.7rem;
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  color: var(--color-text-muted, #B0B8C4);
  opacity: 0;
  transition: opacity var(--transition-fast, 0.2s ease);
  pointer-events: none;
}
.page-products .timeline-dot:hover::after,
.page-products .timeline-dot:focus-visible::after {
  opacity: 1;
}
.page-products .timeline-label {
  font-size: 0.7rem;
  color: var(--color-text-muted, #B0B8C4);
  text-align: center;
  margin-top: 0.35rem;
  letter-spacing: 0.04em;
  opacity: 0.6;
}

/* 透明承诺区 */
.page-products .transparency-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(0,212,255,0.08);
  border-left: 3px solid var(--color-electric, #00D4FF);
  margin-top: 0.5rem;
}
.page-products .transparency-note__label {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-electric, #00D4FF);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.page-products .transparency-note__value {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 0.85rem;
  color: var(--color-accent, #D4A843);
  letter-spacing: 0.03em;
}

/* ===== 移动端优先 (基础) ===== */
@media (max-width: 767px) {
  .page-products {
    --service-padding: 1.5rem;
    --service-gap: 2.5rem;
  }
  .page-products .page-header {
    padding-left: 1rem;
    margin-bottom: 2rem;
  }
  .page-products .page-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }
  .page-products .page-subtitle {
    font-size: 0.9rem;
  }
  .page-products .service-block {
    padding: var(--service-padding);
    gap: 1rem;
  }
  .page-products .service-block__img--portrait {
    max-width: 160px;
  }
  .page-products .service-block__icon {
    width: 60px;
    height: 60px;
  }
  .page-products .service-block__badge {
    font-size: 0.6rem;
    padding: 0.2rem 0.6rem;
    top: 0.25rem;
    right: 0.25rem;
  }
  .page-products .service-block__heading {
    font-size: 1.3rem;
  }
  .page-products .service-block__features {
    gap: 0.35rem;
  }
  .page-products .service-block__feature {
    font-size: 0.85rem;
  }
  .page-products .btn {
    width: 100%;
    justify-content: center;
    padding: 0.6rem 1.2rem;
    font-size: 0.85rem;
  }
  .page-products .service-block__timeline {
    max-width: 100%;
  }
  .page-products .timeline-dot {
    width: 1.8rem;
    height: 1.8rem;
    font-size: 0.65rem;
  }
  .page-products .timeline-dot::after {
    font-size: 0.55rem;
    top: -1.5rem;
  }
  .page-products .transparency-note {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
}

/* ===== 桌面端 (768px+) ===== */
@media (min-width: 768px) {
  .page-products .service-block {
    flex-direction: row;
    align-items: flex-start;
    gap: 2.5rem;
  }
  .page-products .service-block--mobile .service-block__visual {
    order: 1;
  }
  .page-products .service-block--mobile .service-block__content {
    order: 0;
  }
  .page-products .service-block__visual {
    min-width: 280px;
    max-width: 380px;
  }
  .page-products .service-block__img {
    max-height: 320px;
  }
  .page-products .service-block__img--portrait {
    max-width: 200px;
    max-height: 420px;
  }
  .page-products .service-block__icon {
    width: 90px;
    height: 90px;
  }
  .page-products .service-block__badge {
    font-size: 0.8rem;
    padding: 0.35rem 1rem;
  }
  .page-products .service-block__content {
    padding-top: 0.25rem;
  }
  .page-products .service-block__heading {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
  }
  .page-products .service-block__desc {
    font-size: 1.05rem;
  }
  .page-products .btn {
    font-size: 0.9rem;
  }
  .page-products .service-block__timeline {
    max-width: 400px;
  }
}

/* ===== 宽桌面 (1200px+) ===== */
@media (min-width: 1200px) {
  .page-products .service-block__visual {
    min-width: 340px;
    max-width: 440px;
  }
  .page-products .service-block__img {
    max-height: 360px;
  }
  .page-products .service-block__img--portrait {
    max-width: 240px;
    max-height: 500px;
  }
  .page-products .service-block__icon {
    width: 100px;
    height: 100px;
  }
  .page-products .service-block--transparency .service-block__visual {
    min-width: auto;
    flex-direction: row;
    justify-content: center;
  }
}

/* ===== 数据属性交互 (渐进增强) ===== */
.page-products .service-block__timeline[tabindex]:focus-visible {
  outline: 2px solid var(--color-electric, #00D4FF);
  outline-offset: 2px;
}
.page-products .timeline-dot[data-date]:focus-visible {
  outline: 2px solid var(--color-accent, #D4A843);
  outline-offset: 3px;
}

/* ===== 键盘方向键提示 (仅视觉) ===== */
.page-products .timeline-label::before {
  content: '← → ';
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--color-electric, #00D4FF);
  opacity: 0.5;
}

/* ===== 服务块编号装饰 (粗野主义细节) ===== */
.page-products .service-block::before {
  content: attr(data-number);
  position: absolute;
  top: -0.6rem;
  left: -0.6rem;
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(212,168,67,0.12);
  pointer-events: none;
  z-index: 0;
}
.page-products .service-block--rank::before { content: '01'; }
.page-products .service-block--mobile::before { content: '02'; }
.page-products .service-block--compare::before { content: '03'; }
.page-products .service-block--transparency::before { content: '04'; }