.page-products {
  --page-primary: var(--color-primary);
  --page-accent-gold: var(--color-accent-gold);
  --page-accent-blue: var(--color-accent-blue);
  --page-surface: var(--color-surface);
  --page-text: var(--color-text);
  --page-text-secondary: var(--color-text-secondary);
  --font-display: var(--font-heading);
  --font-body: var(--font-body);
  
  background-color: var(--color-bg);
  color: var(--page-text);
  position: relative;
  overflow-x: hidden;
}

/* 面包屑 */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--page-text-secondary);
  padding: 1rem 0 0.5rem;
}
.page-products .breadcrumb a {
  color: var(--page-accent-gold);
  text-decoration: none;
}
.page-products .breadcrumb a:hover {
  text-decoration: underline;
}
.page-products .breadcrumb__separator {
  color: var(--page-text-secondary);
}

/* 页面标题 */
.page-products .page-title {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.1;
  margin: 1rem 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.page-products .page-subtitle {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--page-text-secondary);
  max-width: 60ch;
  line-height: 1.5;
  margin-bottom: 2rem;
}

/* section 通用 */
.page-products .section {
  padding: 3rem 0;
  position: relative;
}
.page-products .section__header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
}
.page-products .section__number {
  font-size: 4rem;
  font-family: var(--font-display);
  color: var(--page-primary);
  line-height: 0.8;
  font-weight: 700;
  opacity: 0.7;
}
.page-products .section__header h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1.1;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* 核心功能布局 (倾斜双栏) */
.page-products .features-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.page-products .features-visual {
  flex: 0 0 auto;
  transform: rotate(-3deg) skewX(-2deg);
  transition: transform 0.3s;
  max-width: 350px;
  margin: 0 auto;
}
.page-products .feature-phone {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 2px solid var(--page-primary);
  box-shadow: 0 0 30px rgba(220,20,60,0.3);
}
.page-products .features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  flex: 1;
}
.page-products .feature-card {
  background: var(--page-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem 1rem;
  text-align: center;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.page-products .feature-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  border-color: var(--page-accent-gold);
}
.page-products .feature-card__icon {
  color: var(--page-primary);
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-products .feature-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--page-text);
}
.page-products .feature-card__desc {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--page-text-secondary);
  line-height: 1.4;
  margin: 0;
}
.page-products .feature-card__tooltip {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--page-primary);
  color: #fff;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  white-space: nowrap;
  z-index: 10;
  pointer-events: none;
}
.page-products .feature-card:hover .feature-card__tooltip {
  display: block;
}
.page-products .features-extra {
  margin-top: 2rem;
}
.page-products .feature-banner {
  width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--page-accent-blue);
  box-shadow: 0 4px 12px rgba(0,191,255,0.15);
}

/* 下载通道 */
.page-products .download-layout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem;
  justify-content: center;
}
.page-products .download-qr {
  flex: 0 0 auto;
  text-align: center;
  position: relative;
}
.page-products .qr-frame {
  position: relative;
  display: inline-block;
  border: 3px solid var(--page-accent-gold);
  border-radius: 12px;
  padding: 0.5rem;
  background: #111;
  cursor: pointer;
  transition: transform 0.3s;
}
.page-products .qr-frame:hover {
  transform: scale(1.05);
}
.page-products .qr-image {
  display: block;
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
}
.page-products .qr-scan-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--page-accent-blue), transparent);
  animation: scanLine 2s ease-in-out infinite;
  opacity: 0.7;
}
@keyframes scanLine {
  0%, 100% { top: 0; }
  50% { top: calc(100% - 4px); }
}
.page-products .qr-label {
  margin-top: 0.5rem;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--page-accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.page-products .download-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}
.page-products .btn--download {
  display: inline-block;
  padding: 0.8rem 2rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 2px solid var(--page-primary);
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s;
  min-width: 180px;
  text-align: center;
}
.page-products .btn--ios {
  background: #111;
  color: var(--page-text);
  border-color: var(--page-primary);
}
.page-products .btn--ios:hover {
  background: var(--page-primary);
  color: #000;
  box-shadow: 0 0 20px rgba(220,20,60,0.5);
}
.page-products .btn--android {
  background: var(--page-primary);
  color: #000;
  border-color: var(--page-accent-gold);
}
.page-products .btn--android:hover {
  background: var(--page-accent-gold);
  border-color: var(--page-accent-gold);
  box-shadow: 0 0 20px rgba(255,215,0,0.5);
}
.page-products .download-note {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--page-text-secondary);
}
.page-products .download-phone {
  flex: 0 0 auto;
  max-width: 200px;
  transform: rotate(5deg) skewY(-2deg);
  transition: transform 0.3s;
}
.page-products .phone-mockup {
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 2px solid var(--page-accent-blue);
  box-shadow: 0 8px 24px rgba(0,191,255,0.25);
}

/* 使用指引 */
.page-products .guide-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: flex-start;
}
.page-products .guide-text {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--page-text);
}
.page-products .guide-text a {
  color: var(--page-accent-gold);
  text-decoration: underline;
}
.page-products .guide-text a:hover {
  color: var(--page-primary);
}
.page-products .guide-text strong {
  color: var(--page-primary);
  font-family: var(--font-mono);
  background: rgba(220,20,60,0.15);
  padding: 0.1em 0.3em;
  border-radius: 3px;
}
.page-products .guide-visual {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.page-products .guide-img {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

/* 响应式桌面 */
@media (min-width: 768px) {
  .page-products .page-title {
    font-size: 3rem;
  }
  .page-products .features-layout {
    flex-direction: row;
    align-items: flex-start;
  }
  .page-products .features-visual {
    margin: 0;
    flex-shrink: 0;
  }
  .page-products .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .download-layout {
    flex-wrap: nowrap;
    justify-content: space-between;
  }
  .page-products .download-buttons {
    flex: 1;
  }
  .page-products .guide-content {
    flex-direction: row;
    align-items: center;
  }
  .page-products .guide-visual {
    flex-shrink: 0;
  }
}

/* 大屏幕 */
@media (min-width: 1024px) {
  .page-products .section {
    padding: 4rem 0;
  }
  .page-products .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}