/* page-products 专属样式 — 移动端优先 */
.page-products {
  --page-accent: var(--color-accent, #FF6B35);
  --page-primary: var(--color-primary, #2E8B57);
  --page-highlight: var(--color-highlight, #FFD700);
  --page-bg: var(--color-bg, #1A1A1A);
  --page-surface: var(--color-surface, #2A2A2A);
  --page-text: var(--color-text, #FFFFFF);
  --page-text-secondary: var(--color-text-secondary, #B0B0B0);
  --page-border: var(--color-border, rgba(255,255,255,0.10));
  --page-border-strong: var(--color-border-strong, rgba(255,255,255,0.20));
  --page-font-heading: var(--font-heading, Impact, Haettenschweiler, 'Arial Black', sans-serif);
  --page-font-body: var(--font-body, Georgia, 'Times New Roman', serif);
  --page-radius: 0px;
  --card-transition: 0.3s ease;
}
.page-products .content-container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 0 var(--spacing-md, 16px);
}
/* 面包屑 */
.page-products .breadcrumb {
  padding: var(--spacing-lg, 24px) 0 var(--spacing-md, 16px);
}
.page-products .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs, 4px);
  margin: 0;
  padding: 0;
}
.page-products .breadcrumb li {
  font-family: var(--page-font-body);
  font-size: 14px;
  color: var(--page-text-secondary);
}
.page-products .breadcrumb li + li::before {
  content: "›";
  padding: 0 var(--spacing-sm, 8px);
  color: var(--page-text-secondary);
}
.page-products .breadcrumb a {
  color: var(--page-primary);
  text-decoration: none;
  transition: color var(--transition-fast, 0.15s ease);
}
.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--page-accent);
  text-decoration: underline;
}
.page-products .breadcrumb [aria-current="page"] {
  color: var(--page-text);
  font-weight: 600;
}

/* 编号章节体系 */
.page-products .section-number {
  display: inline-block;
  font-family: var(--page-font-heading);
  font-size: 48px;
  line-height: 1;
  color: var(--page-primary);
  opacity: 0.30;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-xs, 4px);
}
.page-products .section-header {
  margin-bottom: var(--spacing-xl, 32px);
  border-bottom: 2px solid var(--page-border);
  padding-bottom: var(--spacing-md, 16px);
}
.page-products .section-header .section-number {
  display: block;
  font-size: 56px;
  opacity: 0.25;
}
.page-products .section-header h2 {
  font-family: var(--page-font-heading);
  font-size: var(--font-size-h2, 36px);
  color: var(--page-text);
  margin: 0 0 var(--spacing-sm, 8px) 0;
  line-height: 1.15;
}
.page-products .section-desc {
  font-family: var(--page-font-body);
  font-size: 16px;
  color: var(--page-text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* ===== Hero 首屏 ===== */
.page-products .hero-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg, 24px);
  padding: var(--spacing-xl, 32px) 0;
  position: relative;
}
.page-products .hero-content .section-number {
  font-size: 64px;
  opacity: 0.20;
  display: block;
}
.page-products .hero-content h1 {
  font-family: var(--page-font-heading);
  font-size: 32px;
  color: var(--page-text);
  margin: var(--spacing-sm, 8px) 0;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.page-products .hero-desc {
  font-family: var(--page-font-body);
  font-size: 16px;
  color: var(--page-text-secondary);
  line-height: 1.7;
  max-width: 540px;
}
.page-products .hero-image {
  width: 100%;
  border: 1px solid var(--page-border-strong);
  background: var(--page-surface);
}
.page-products .hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ===== 服务清单 ===== */
.page-products .services-section {
  padding: var(--spacing-2xl, 48px) 0;
}
.page-products .services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg, 24px);
}
.page-products .service-card {
  background: var(--page-surface);
  border: 1px solid var(--page-border);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md, 16px);
  padding: var(--spacing-lg, 24px);
  transition: border-color var(--card-transition), transform var(--card-transition);
  position: relative;
}
.page-products .service-card:hover,
.page-products .service-card:focus-within {
  border-color: var(--page-primary);
  transform: translateY(-2px);
}
.page-products .service-card-featured {
  border-left: 4px solid var(--page-primary);
}
.page-products .card-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-products .card-number {
  font-family: var(--page-font-heading);
  font-size: 28px;
  color: var(--page-primary);
  opacity: 0.35;
  line-height: 1;
  display: block;
  margin-bottom: var(--spacing-xs, 4px);
}
.page-products .card-body h3 {
  font-family: var(--page-font-heading);
  font-size: var(--font-size-h3, 24px);
  color: var(--page-text);
  margin: 0 0 var(--spacing-sm, 8px) 0;
  line-height: 1.2;
}
.page-products .card-body p {
  font-family: var(--page-font-body);
  font-size: 15px;
  color: var(--page-text-secondary);
  line-height: 1.6;
  margin: 0 0 var(--spacing-md, 16px);
}
.page-products .card-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm, 8px);
}
.page-products .btn-fav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--page-border-strong);
  background: transparent;
  color: var(--page-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast, 0.15s ease);
  position: relative;
  font-size: 18px;
  line-height: 1;
}
.page-products .btn-fav::before {
  content: "☆";
  display: block;
}
.page-products .btn-fav.is-active::before {
  content: "★";
  color: var(--page-highlight);
}
.page-products .btn-fav:hover,
.page-products .btn-fav:focus-visible {
  border-color: var(--page-highlight);
  color: var(--page-highlight);
}
.page-products .btn-fav[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--page-text);
  color: var(--page-bg);
  font-family: var(--page-font-body);
  font-size: 12px;
  padding: 2px 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast, 0.15s ease);
}
.page-products .btn-fav:hover::after,
.page-products .btn-fav:focus-visible::after {
  opacity: 1;
}
.page-products .card-image {
  width: 100%;
  border: 1px solid var(--page-border);
  background: var(--page-bg);
  overflow: hidden;
}
.page-products .card-image img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ===== 苹果端适配 ===== */
.page-products .ios-section {
  padding: var(--spacing-2xl, 48px) 0;
}
.page-products .ios-layout {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl, 32px);
}
.page-products .ios-device {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md, 16px);
}
.page-products .device-frame {
  position: relative;
  width: 220px;
  border: 3px solid var(--page-border-strong);
  border-radius: 24px;
  background: var(--page-bg);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}
.page-products .device-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-products .device-notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 20px;
  background: var(--page-bg);
  border-radius: 0 0 10px 10px;
}
.page-products .device-views {
  display: flex;
  gap: var(--spacing-sm, 8px);
}
.page-products .view-btn {
  font-family: var(--page-font-body);
  font-size: 13px;
  padding: 4px 12px;
  border: 1px solid var(--page-border);
  background: transparent;
  color: var(--page-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast, 0.15s ease);
}
.page-products .view-btn.is-active {
  border-color: var(--page-primary);
  color: var(--page-primary);
  background: rgba(46,139,87,0.10);
}
.page-products .view-btn:hover,
.page-products .view-btn:focus-visible {
  border-color: var(--page-accent);
  color: var(--page-accent);
}
.page-products .ios-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg, 24px);
}
.page-products .compatibility-list {
  background: var(--page-surface);
  border: 1px solid var(--page-border);
  padding: var(--spacing-lg, 24px);
}
.page-products .compatibility-list h3 {
  font-family: var(--page-font-heading);
  font-size: var(--font-size-h3, 24px);
  color: var(--page-text);
  margin: 0 0 var(--spacing-md, 16px) 0;
}
.page-products .compatibility-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md, 16px);
}
.page-products .compatibility-list li {
  font-family: var(--page-font-body);
  font-size: 15px;
  color: var(--page-text-secondary);
  line-height: 1.6;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-sm, 8px);
}
.page-products .compatibility-list .tag {
  display: inline-block;
  font-family: var(--page-font-heading);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  text-transform: uppercase;
  border: 1px solid;
}
.page-products .tag-accent {
  border-color: var(--page-accent);
  color: var(--page-accent);
}
.page-products .tag-highlight {
  border-color: var(--page-highlight);
  color: var(--page-highlight);
}
.page-products .compatibility-note {
  background: var(--page-surface);
  border: 1px solid var(--page-border);
  padding: var(--spacing-lg, 24px);
}
.page-products .compatibility-note p {
  font-family: var(--page-font-body);
  font-size: 15px;
  color: var(--page-text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* ===== 收藏功能集成 ===== */
.page-products .favorites-section {
  padding: var(--spacing-2xl, 48px) 0;
}
.page-products .fav-layout {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl, 32px);
}
.page-products .fav-content h3 {
  font-family: var(--page-font-heading);
  font-size: var(--font-size-h3, 24px);
  color: var(--page-text);
  margin: 0 0 var(--spacing-md, 16px) 0;
}
.page-products .fav-features {
  list-style: none;
  margin: 0 0 var(--spacing-lg, 24px) 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md, 16px);
}
.page-products .fav-features li {
  font-family: var(--page-font-body);
  font-size: 15px;
  color: var(--page-text-secondary);
  line-height: 1.6;
  padding-left: 24px;
  position: relative;
}
.page-products .fav-features li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--page-primary);
  font-weight: bold;
  font-size: 18px;
}
.page-products .highlight-star {
  color: var(--page-highlight);
  font-size: 1.1em;
}
.page-products .fav-tip {
  font-family: var(--page-font-body);
  font-size: 14px;
  color: var(--page-text-secondary);
  font-style: italic;
  margin: 0;
  padding: var(--spacing-sm, 8px) var(--spacing-md, 16px);
  border-left: 3px solid var(--page-accent);
  background: rgba(255,107,53,0.06);
}
.page-products .fav-visual {
  position: relative;
  border: 1px solid var(--page-border-strong);
  background: var(--page-surface);
  overflow: hidden;
}
.page-products .fav-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-products .fav-badge {
  position: absolute;
  top: var(--spacing-md, 16px);
  right: var(--spacing-md, 16px);
  font-family: var(--page-font-heading);
  font-size: 13px;
  color: var(--page-highlight);
  background: rgba(255,215,0,0.12);
  border: 1px solid var(--page-highlight);
  padding: 4px 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.page-products .badge-star {
  font-size: 16px;
}

/* ===== 变更说明通道 ===== */
.page-products .changelog-section {
  padding: var(--spacing-2xl, 48px) 0;
}
.page-products .changelog-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg, 24px);
  background: var(--page-surface);
  border: 1px solid var(--page-border);
  padding: var(--spacing-lg, 24px);
  transition: border-color var(--card-transition);
}
.page-products .changelog-card:hover {
  border-color: var(--page-primary);
}
.page-products .changelog-text h3 {
  font-family: var(--page-font-heading);
  font-size: var(--font-size-h3, 24px);
  color: var(--page-text);
  margin: 0 0 var(--spacing-sm, 8px) 0;
}
.page-products .changelog-text p {
  font-family: var(--page-font-body);
  font-size: 15px;
  color: var(--page-text-secondary);
  line-height: 1.6;
  margin: 0 0 var(--spacing-lg, 24px) 0;
}
.page-products .changelog-image {
  border: 1px solid var(--page-border);
  background: var(--page-bg);
  overflow: hidden;
}
.page-products .changelog-image img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-products .btn {
  display: inline-block;
  font-family: var(--page-font-heading);
  font-size: 14px;
  letter-spacing: 0.04em;
  padding: 10px 24px;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast, 0.15s ease);
}
.page-products .btn-accent {
  background: var(--page-accent);
  color: var(--page-bg);
}
.page-products .btn-accent:hover,
.page-products .btn-accent:focus-visible {
  background: var(--color-accent-hover, #e85a2a);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255,107,53,0.30);
}

/* ===== 底部CTA ===== */
.page-products .cta-section {
  padding: var(--spacing-2xl, 48px) 0 var(--spacing-3xl, 64px);
}
.page-products .cta-card {
  background: var(--page-surface);
  border: 1px solid var(--page-border);
  padding: var(--spacing-xl, 32px);
  text-align: center;
}
.page-products .cta-card h2 {
  font-family: var(--page-font-heading);
  font-size: var(--font-size-h2, 36px);
  color: var(--page-text);
  margin: 0 0 var(--spacing-sm, 8px) 0;
}
.page-products .cta-card p {
  font-family: var(--page-font-body);
  font-size: 16px;
  color: var(--page-text-secondary);
  margin: 0;
}
.page-products .cta-card a {
  color: var(--page-primary);
  text-decoration: underline;
  transition: color var(--transition-fast, 0.15s ease);
}
.page-products .cta-card a:hover {
  color: var(--page-accent);
}

/* ===== 桌面端媒体查询 ===== */
@media (min-width: 768px) {
  .page-products .hero-section {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-2xl, 48px);
  }
  .page-products .hero-content {
    flex: 0 0 45%;
  }
  .page-products .hero-content h1 {
    font-size: var(--font-size-h1, 48px);
  }
  .page-products .hero-image {
    flex: 1;
    max-width: 600px;
  }
  .page-products .services-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .service-card-featured {
    grid-column: 1 / -1;
    flex-direction: row;
  }
  .page-products .service-card-featured .card-image {
    flex: 0 0 320px;
  }
  .page-products .ios-layout {
    flex-direction: row;
    align-items: flex-start;
  }
  .page-products .ios-device {
    flex: 0 0 280px;
  }
  .page-products .ios-info {
    flex: 1;
  }
  .page-products .fav-layout {
    flex-direction: row;
    align-items: center;
  }
  .page-products .fav-content {
    flex: 1;
  }
  .page-products .fav-visual {
    flex: 0 0 400px;
  }
  .page-products .changelog-card {
    flex-direction: row;
    align-items: center;
  }
  .page-products .changelog-text {
    flex: 1;
  }
  .page-products .changelog-image {
    flex: 0 0 360px;
  }
  .page-products .section-number {
    font-size: 64px;
  }
  .page-products .section-header .section-number {
    font-size: 72px;
  }
  .page-products .hero-content .section-number {
    font-size: 80px;
  }
}

@media (min-width: 992px) {
  .page-products .services-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .service-card-featured {
    grid-column: 1 / -1;
    flex-direction: row;
  }
  .page-products .device-frame {
    width: 260px;
  }
}

@media (min-width: 1200px) {
  .page-products .services-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .service-card-featured {
    grid-column: 1 / -1;
  }
}