/* ============================================================================
   长荡湖 H5 · 湖畔共叙(SNS社区)移动样式  mobile/sns.css
   仅移动端 (max-width:768px) 生效；PC(≥769px) 零影响。
   覆盖：feed 流 / 帖子详情+评论 / 发布 / 话题 / 个人主页 / 消息通知 /
        路线规划器·列表·详情 / AI广场(IM) / 记忆中心。
   视图内联 <style> 晚于本文件加载，关键覆盖用高优先级选择器 + !important。
   ============================================================================ */

@media (max-width: 768px) {

  /* ---------- SNS Hero (hy-hero) ---------- */
  .hy-hero { height: auto !important; padding: 40px 0 28px !important; }
  .hy-hero h1 { font-size: 28px !important; letter-spacing: 4px !important; }
  .hy-sub { font-size: 13.5px !important; margin: 10px auto 18px !important; }
  .hy-search-wrap { margin: 16px auto 0 !important; }
  .hy-search-box { flex-direction: column; gap: 8px; padding: 8px !important; }
  .hy-search-box input { width: 100% !important; font-size: 16px !important; padding: 12px 16px !important; }
  .hy-search-box button { width: 100% !important; min-height: 46px; padding: 12px !important; }
  .hy-stats { gap: 18px !important; margin-top: 16px !important; }
  .hy-stat .cs-num { font-size: 24px !important; }

  /* ---------- 三栏骨架 → 单列（侧栏已在 1100px 隐藏） ---------- */
  .sns3 { padding: 16px 12px 50px !important; gap: 14px !important; }

  /* 发布框 */
  .sns-publish-box { padding: 12px !important; margin-bottom: 14px !important; }
  .sns-textarea { font-size: 16px !important; }
  .sns-toolbar-btn { width: 40px !important; height: 40px !important; min-width: 40px; }
  .sns-publish-box .btn { min-height: 44px; padding: 8px 20px !important; }
  .sns-emoji-picker { grid-template-columns: repeat(6, 1fr) !important; max-height: 200px; overflow-y: auto; }

  /* ---------- 帖子卡片 ---------- */
  .sns-feed { gap: 12px !important; }
  .sns-post-card { padding: 14px !important; border-radius: 14px !important; }
  .sns-post-header { flex-wrap: wrap; gap: 8px !important; }
  .sns-post-user-info { min-width: 0; flex: 1; }
  .sns-username { font-size: 14px; }
  .sns-topic-tag { max-width: 100%; white-space: normal; }
  .sns-post-title { font-size: 16px !important; }
  .sns-post-content { font-size: 15px !important; }

  /* 九宫格图片自适应：单列大图限高，多图 3 列等高 */
  .sns-image-grid { gap: 5px !important; border-radius: 10px; }
  .sns-grid-1 { max-height: 300px !important; }
  .sns-grid-1 .sns-image-item { height: 260px !important; }
  .sns-grid-2 .sns-image-item, .sns-grid-3 .sns-image-item { height: 120px !important; }
  .sns-grid-4 .sns-image-item, .sns-grid-5 .sns-image-item, .sns-grid-6 .sns-image-item { height: 104px !important; }
  .sns-grid-7 .sns-image-item, .sns-grid-8 .sns-image-item, .sns-grid-9 .sns-image-item { height: 92px !important; }

  /* 底部互动按钮：触控 ≥44，均分 */
  .sns-post-footer { gap: 8px !important; flex-wrap: wrap; padding-top: 10px !important; }
  .sns-post-footer .sns-action-btn {
    flex: 1 1 0; justify-content: center; min-height: 44px; padding: 6px 4px !important; font-size: 13px !important;
  }

  /* ---------- 帖子详情 post.php ---------- */
  .sns-post-detail { padding: 16px 14px !important; border-radius: 14px !important; }
  .sns-detail-title { font-size: 19px !important; }
  .sns-detail-content { font-size: 15.5px !important; }
  .sns-post-detail .sns-action-btn { min-height: 40px; padding: 7px 14px !important; }
  .sns-comments-section { padding: 16px 14px !important; border-radius: 14px !important; }
  .sns-comment-input { font-size: 16px !important; min-height: 72px; }
  .sns-comment-actions .btn { min-height: 44px; }
  .sns-comment-action { min-height: 36px; padding: 6px 8px !important; }

  /* ---------- 话题广场 topics ---------- */
  .topic-grid { grid-template-columns: 1fr !important; padding: 16px 12px !important; gap: 12px !important; }
  .topic-card { padding: 14px !important; }
  .recent-side { padding: 0 12px !important; }

  /* ---------- 个人主页 profile ---------- */
  .container[style*="margin-top"] { margin-top: 12px !important; }
  .sns-profile-main { padding: 0 16px 18px !important; }
  .sns-profile-avatar { width: 84px !important; height: 84px !important; }
  .sns-profile-avatar-wrap { margin-top: -44px; }
  .sns-profile-info { min-width: 0; width: 100%; }
  .sns-profile-stats { gap: 22px !important; }
  .sns-profile-actions { width: 100%; justify-content: center; }
  .sns-profile-actions .btn { min-height: 44px; }

  /* ---------- 消息通知 ---------- */
  .page-header { flex-wrap: wrap; gap: 10px; }
  .sns-notification-item { padding: 12px 0; }

  /* ---------- AI 广场 IM (ai-square) ---------- */
  .container { max-width: 100% !important; }
  .im-app { flex-direction: column !important; height: auto !important; max-height: none !important; margin: 12px 0 16px !important; }
  .im-side { width: 100% !important; max-height: 240px !important; }
  .im-main { min-height: 70vh !important; }
  .im-chat-head { padding: 10px 12px !important; }
  .im-chat-scroll { padding: 14px 10px 8px !important; }
  .im-bubble-wrap { max-width: 78% !important; }
  .im-input { height: 110px !important; font-size: 16px !important; }
  .im-send { min-height: 44px; padding: 9px 22px !important; }
  .im-emoji-btn { width: 40px !important; height: 40px !important; }
  .im-emoji-panel { grid-template-columns: repeat(6, 1fr) !important; }

  /* ---------- Bootstrap 风格页（记忆/路线规划/路线列表/路线详情） ---------- */
  .container.py-4 { padding-top: 16px !important; padding-bottom: 16px !important; }
  .row.justify-content-center .col-lg-8 { max-width: 100%; flex: 0 0 100%; }
  .card .form-label { font-size: 14px; }
  .form-select, .form-control { font-size: 16px !important; min-height: 44px; }
  .btn { min-height: 44px; }
  .btn-sm { min-height: 38px; }
  .d-flex.gap-3 { flex-wrap: wrap; gap: 8px !important; }
  .breadcrumb { flex-wrap: nowrap; overflow-x: auto; }
}

@media (max-width: 380px) {
  .sns-grid-2 .sns-image-item, .sns-grid-3 .sns-image-item { height: 104px !important; }
  .sns-grid-4 .sns-image-item, .sns-grid-5 .sns-image-item, .sns-grid-6 .sns-image-item { height: 90px !important; }
  .im-side { max-height: 200px !important; }
}