/* ============================================
   AI穿戴前线 - 专区页面通用样式
   AI眼镜专区 / AI健康戒指专区 共用
   ============================================ */

/* 专区顶部横幅 */
.zone-hero {
  background: linear-gradient(160deg, #0f172a 0%, #1e3a5f 45%, #0f3460 100%);
  padding: calc(var(--nav-height) + 60px) 24px 60px;
  text-align: center;
}

.zone-hero.rings {
  background: linear-gradient(160deg, #0c0a09 0%, #1c1917 45%, #292524 100%);
}

.zone-hero-icon {
  font-size: 56px;
  display: block;
  margin-bottom: 16px;
}

.zone-hero h1 {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.zone-hero p {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
}

/* 专区子导航 */
.zone-subnav {
  background: #fff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: var(--nav-height);
  z-index: 99;
}

.zone-subnav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
}

.zone-subnav-link {
  padding: 14px 22px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  white-space: nowrap;
}

.zone-subnav-link:hover {
  color: var(--info-primary);
}

.zone-subnav-link.active {
  color: var(--info-primary);
  font-weight: 600;
  border-bottom-color: var(--info-primary);
}

/* 专区正文 */
.zone-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px 80px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
}

/* 文章列表 */
.zone-articles {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 文章行卡片 */
.zone-article-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: all 0.35s;
  display: flex;
  gap: 0;
}

.zone-article-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.zone-article-img {
  width: 280px;
  min-height: 180px;
  object-fit: cover;
  flex-shrink: 0;
}

.zone-article-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.zone-article-badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 4px;
  margin-right: 8px;
}

.zone-article-badge.info {
  background: #eff6ff;
  color: var(--info-primary);
}

.zone-article-badge.review {
  background: #fffbeb;
  color: var(--review-primary);
}

.zone-article-badge.guide {
  background: #f0fdf4;
  color: #16a34a;
}

.zone-article-meta {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 12px;
}

.zone-article-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 10px;
}

.zone-article-title:hover {
  color: var(--info-primary);
}

.zone-article-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.zone-article-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-light);
}

/* 侧边栏 - 专区专属 */
.zone-sidebar-widget {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.zone-widget-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-left: 14px;
  border-left: 3px solid var(--info-primary);
}

/* 标签云 */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-item {
  padding: 6px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.tag-item:hover {
  background: var(--info-primary);
  color: #fff;
}

/* 响应式 */
@media (max-width: 1024px) {
  .zone-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .zone-hero {
    padding: calc(var(--nav-height) + 40px) 20px 40px;
  }

  .zone-hero h1 {
    font-size: 26px;
  }

  .zone-article-card {
    flex-direction: column;
  }

  .zone-article-img {
    width: 100%;
    height: 200px;
  }

  .zone-content {
    padding: 24px 16px 60px;
  }

  .zone-subnav-link {
    padding: 12px 14px;
    font-size: 13px;
  }
}