/* ===== 产品中心专属样式 ===== */
.page-products {
  --page-accent: var(--gold);
  --page-bg-deco: var(--deep-green);
  --tab-border-color: var(--gold);
  --panel-radius: var(--radius-lg);
  --card-tilt-hover: rotate(-2deg) scale(1.02);
  --transition-tab: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --phone-width: 240px;
  --phone-height: 480px;
}

/* 面包屑 */
.page-products .breadcrumb {
  padding-top: calc(var(--header-height, 60px) + 16px);
  padding-bottom: 8px;
  font-size: 0.85rem;
  color: var(--grey-text);
  letter-spacing: 0.02em;
}

.page-products .breadcrumb a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  border-color: var(--gold);
}

.page-products .breadcrumb .sep {
  margin: 0 8px;
  color: var(--grey-text);
  opacity: 0.6;
}

/* 页面英雄区 */
.page-products .page-hero {
  position: relative;
  padding-top: 0;
  padding-bottom: 32px;
  margin-bottom: 24px;
}

.page-products .page-hero .index-deco {
  display: inline-block;
  font-size: 3.5rem;
  line-height: 1;
  color: var(--gold);
  opacity: 0.25;
  letter-spacing: -0.03em;
  margin-bottom: -0.5rem;
}

.page-products .page-hero h1 {
  font-size: 2.5rem;
  line-height: 1.12;
  color: var(--charcoal);
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.page-products .page-hero-sub {
  font-size: 1rem;
  color: var(--grey-text);
  font-family: var(--font-body);
  margin: 0 0 20px;
  letter-spacing: 0.04em;
}

.page-products .page-hero-visual {
  width: 100%;
  max-width: 800px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: var(--light-green-bg);
}

.page-products .page-hero-chart {
  display: block;
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
}

/* 选项卡导航 */
.page-products .tab-section {
  padding-top: 8px;
  padding-bottom: 40px;
}

.page-products .tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 2px solid rgba(11, 78, 46, 0.12);
  margin-bottom: 28px;
  padding-bottom: 0;
  position: relative;
}

.page-products .tab-btn {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  line-height: 1.2;
  padding: 12px 18px 10px;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--grey-text);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  position: relative;
  margin-bottom: -2px;
}

.page-products .tab-btn:hover,
.page-products .tab-btn:focus-visible {
  color: var(--deep-green);
  border-bottom-color: var(--deep-green);
  background: rgba(11, 78, 46, 0.04);
}

.page-products .tab-btn[aria-selected="true"] {
  color: var(--gold);
  border-bottom-color: var(--gold);
  background: rgba(255, 215, 0, 0.06);
}

.page-products .tab-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

/* 选项卡面板 */
.page-products .tab-panel {
  animation: tabFadeIn 0.45s ease forwards;
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-products .tab-panel[hidden] {
  display: none;
}

.page-products .panel-inner {
  padding: 20px 0 12px;
}

.page-products .panel-inner.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-products .panel-content h2 {
  font-size: 1.6rem;
  margin: 0 0 12px;
  line-height: 1.15;
}

.page-products .panel-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--charcoal);
  margin: 0 0 20px;
  max-width: 560px;
}

.page-products .feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .feature-list li {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--charcoal);
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-products .feature-list .tag {
  flex-shrink: 0;
}

.page-products .panel-note {
  font-size: 0.82rem;
  color: var(--grey-text);
  background: var(--gold-light);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin: 0 0 16px;
}

.page-products .panel-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* 卡片样式 */
.page-products .card-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.page-products .schedule-card,
.page-products .database-card {
  position: relative;
  padding: 12px;
  border-radius: var(--panel-radius);
  transition: transform var(--transition-med), box-shadow var(--transition-med);
  will-change: transform;
}

.page-products .schedule-card:hover,
.page-products .database-card:hover {
  transform: var(--card-tilt-hover);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.page-products .card-overlay {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(11, 78, 46, 0.75);
  backdrop-filter: blur(4px);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-products .card-overlay .data-number {
  font-size: 1.8rem;
  color: var(--gold);
  line-height: 1;
}

.page-products .card-overlay .data-label {
  font-size: 0.78rem;
  color: var(--white);
  opacity: 0.9;
}

.page-products .card-tagline {
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--gold);
  text-align: center;
  padding: 4px 0;
  border-top: 1px solid rgba(255, 215, 0, 0.2);
}

/* 资料库搜索演示 */
.page-products .search-demo {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.page-products .search-demo-label {
  font-size: 0.75rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 8px;
}

.page-products .search-demo-input {
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.20);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 0.9rem;
  color: var(--white);
  margin-bottom: 12px;
  cursor: text;
}

.page-products .search-demo-result {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-products .search-demo-result .data-number {
  font-size: 1.4rem;
  color: var(--gold);
}

.page-products .search-demo-result .data-label {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.75);
}

/* 版本对比 */
.page-products .version-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin: 20px 0 24px;
}

.page-products .version-card {
  padding: 16px;
  border-radius: var(--panel-radius);
  transition: transform var(--transition-med), box-shadow var(--transition-med);
  will-change: transform;
}

.page-products .version-card:hover {
  transform: scale(1.01) translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.page-products .version-label {
  font-size: 1.6rem;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(255, 215, 0, 0.2);
}

.page-products .version-features {
  list-style: none;
  padding: 12px 0 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.92rem;
  color: var(--charcoal);
}

.page-products .version-features li::before {
  content: "▸ ";
  color: var(--gold);
}

.page-products .version-diff {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.92);
}

.page-products .diff-label {
  font-size: 0.75rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 6px;
}

/* 小屏手机模型 */
.page-products .phone-mockup {
  justify-content: center;
}

.page-products .phone-frame {
  width: var(--phone-width);
  max-width: 100%;
  border-radius: 28px;
  padding: 10px;
  background: rgba(11, 78, 46, 0.20);
  border: 2px solid rgba(255, 215, 0, 0.25);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-med);
}

.page-products .phone-frame:hover {
  transform: rotate(-2deg) scale(1.02);
}

.page-products .phone-screen {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  object-fit: cover;
}

.page-products .phone-label {
  text-align: center;
  padding: 8px 0 2px;
  font-size: 0.72rem;
  color: var(--gold);
  letter-spacing: 0.04em;
}

/* 数据亮点区 */
.page-products .stats-section {
  padding-top: 24px;
  padding-bottom: 40px;
}

.page-products .stats-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
}

.page-products .stats-header .index-deco {
  font-size: 2.2rem;
  color: var(--gold);
  opacity: 0.3;
  line-height: 1;
}

.page-products .stats-header h2 {
  font-size: 1.4rem;
  color: var(--charcoal);
  margin: 0;
  letter-spacing: 0.02em;
}

.page-products .stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .stat-card {
  padding: 20px 18px;
  border-radius: var(--radius-md);
  text-align: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.page-products .stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.10);
}

.page-products .stat-card .data-number {
  font-size: 2.8rem;
  color: var(--gold);
  display: block;
  line-height: 1.1;
}

.page-products .stat-card .data-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  display: block;
  margin: 4px 0 8px;
  letter-spacing: 0.04em;
}

.page-products .stat-card .stat-desc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  line-height: 1.4;
}

/* 联系入口 */
.page-products .contact-entry {
  padding-top: 8px;
  padding-bottom: 40px;
}

.page-products .contact-entry-inner {
  padding: 28px 24px;
  border-radius: var(--panel-radius);
  text-align: center;
  background: linear-gradient(145deg, rgba(11, 78, 46, 0.06), rgba(255, 215, 0, 0.04));
  border: 1px solid rgba(255, 215, 0, 0.18);
}

.page-products .contact-entry-inner .font-heading {
  font-size: 1.3rem;
  margin: 0 0 6px;
}

.page-products .contact-entry-desc {
  font-size: 0.95rem;
  color: var(--grey-text);
  margin: 0 0 16px;
}

.page-products .contact-entry-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-products .contact-entry-or {
  font-size: 0.82rem;
  color: var(--grey-text);
  opacity: 0.7;
}

/* 装饰性贵州元素 */
.page-products .page-deco {
  position: fixed;
  right: 16px;
  bottom: 80px;
  width: 120px;
  height: 160px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

.page-products .deco-svg {
  width: 100%;
  height: 100%;
}

/* 响应式 - 平板及以上 */
@media (min-width: 640px) {
  .page-products .panel-inner.grid-2 {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .version-compare {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .phone-frame {
    width: 200px;
  }

  .page-products .page-deco {
    width: 140px;
    height: 186px;
    right: 24px;
    bottom: 100px;
  }
}

@media (min-width: 768px) {
  .page-products .page-hero h1 {
    font-size: 3.2rem;
  }

  .page-products .panel-content h2 {
    font-size: 1.8rem;
  }

  .page-products .tab-btn {
    font-size: 1rem;
    padding: 14px 24px 12px;
  }

  .page-products .phone-frame {
    width: 220px;
  }

  .page-products .page-deco {
    width: 160px;
    height: 213px;
    right: 32px;
    bottom: 120px;
  }
}

@media (min-width: 1024px) {
  .page-products .page-hero h1 {
    font-size: 3.6rem;
  }

  .page-products .page-hero .index-deco {
    font-size: 4.5rem;
  }

  .page-products .stats-grid {
    gap: 24px;
  }

  .page-products .phone-frame {
    width: 240px;
  }

  .page-products .page-deco {
    width: 180px;
    height: 240px;
    right: 40px;
    bottom: 140px;
  }
}

/* 窄屏安全 */
@media (max-width: 480px) {
  .page-products .tab-btn {
    font-size: 0.82rem;
    padding: 10px 12px 8px;
    white-space: normal;
    word-break: break-word;
  }

  .page-products .page-hero h1 {
    font-size: 1.9rem;
  }

  .page-products .panel-content h2 {
    font-size: 1.3rem;
  }

  .page-products .phone-frame {
    width: 160px;
  }

  .page-products .page-deco {
    width: 80px;
    height: 106px;
    right: 8px;
    bottom: 60px;
    opacity: 0.3;
  }
}