/* 心动信号 - 信息流/动态卡片/点赞/评论 */
.xd-feed{padding:12px}
.xd-filter-bar{background:var(--card);padding:10px 12px;border-bottom:1px solid var(--border);position:sticky;top:var(--header-h);z-index:50;display:flex;gap:8px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.xd-filter-bar::-webkit-scrollbar{display:none}
.xd-filter-tab{flex-shrink:0;padding:5px 14px;border-radius:16px;background:var(--bg);color:var(--text-sub);font-size:12px;cursor:pointer;white-space:nowrap}
.xd-filter-tab.active{background:var(--theme);color:#fff}
.xd-filter-tab.cert{background:var(--theme-light);color:var(--theme)}

/* 动态卡片 */
.xd-post{background:var(--card);border-radius:var(--radius);margin-bottom:12px;padding:14px;box-shadow:var(--shadow)}
.xd-post-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.xd-post-avatar{width:38px;height:38px;border-radius:50%;object-fit:cover;background:var(--bg)}
.xd-post-head-info{flex:1;min-width:0}
.xd-post-name{font-weight:600;font-size:14px;display:flex;align-items:center;gap:4px}
.xd-post-name .cert-badge{color:var(--success);font-size:13px}
.xd-post-name .hot-badge{background:#fff0e6;color:#ff6b00;font-size:10px;padding:1px 6px;border-radius:8px;margin-left:4px}
.xd-post-name .pin-badge{background:#fff8e6;color:#f5a623;font-size:10px;padding:1px 6px;border-radius:8px;margin-left:4px}
.xd-post-time{font-size:11px;color:var(--text-light)}
.xd-post-more{width:28px;height:28px;display:flex;align-items:center;justify-content:center;color:var(--text-light);cursor:pointer;font-size:18px}

.xd-post-type{display:inline-block;font-size:11px;padding:2px 8px;border-radius:10px;color:#fff;margin-bottom:8px}
.xd-post-target{font-size:13px;color:var(--theme);margin-bottom:6px}
.xd-post-target::before{content:"@"}
.xd-post-text{font-size:14px;line-height:1.7;word-break:break-word}
.xd-post-text .xd-emoji img{width:20px;height:20px}
.xd-post-images{margin-top:10px;display:grid;gap:6px}
.xd-post-images.single img{border-radius:var(--radius-sm);max-height:300px;object-fit:cover;width:80%}
.xd-post-images.grid2{grid-template-columns:1fr 1fr}
.xd-post-images.grid2 img,.xd-post-images.grid3 img{border-radius:var(--radius-sm);aspect-ratio:1;object-fit:cover;width:100%}
.xd-post-images.grid3{grid-template-columns:1fr 1fr 1fr}
.xd-post-images img{cursor:pointer}

.xd-post-footer{display:flex;align-items:center;gap:24px;margin-top:12px;padding-top:10px;border-top:1px solid var(--border)}
.xd-post-action{display:flex;align-items:center;gap:5px;color:var(--text-sub);font-size:13px;cursor:pointer}
.xd-post-action:active{transform:scale(.95)}
.xd-post-action .iconfont{font-size:18px}
.xd-post-action.liked{color:var(--danger)}
.xd-post-action.liked .icon-aixin{color:var(--danger)}
.xd-post-action .icon-aixin2{color:var(--danger)}
.xd-post-report{margin-left:auto;color:var(--text-light);font-size:12px;display:flex;align-items:center;gap:3px;cursor:pointer}

/* 评论区 */
.xd-comments{background:var(--card);border-radius:var(--radius);margin-bottom:12px;padding:14px;box-shadow:var(--shadow)}
.xd-comments-title{font-size:13px;color:var(--text-sub);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.xd-comment-sort{margin-left:auto;display:flex;gap:8px}
.xd-comment-sort span{font-size:12px;color:var(--text-light);cursor:pointer}
.xd-comment-sort span.active{color:var(--theme)}
.xd-comment-item{padding:8px 0;border-bottom:1px solid var(--border)}
.xd-comment-item:last-child{border-bottom:none}
.xd-comment-head{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.xd-comment-avatar{width:24px;height:24px;border-radius:50%;object-fit:cover}
.xd-comment-name{font-size:12px;font-weight:600;color:var(--text-sub)}
.xd-comment-name .author-tag{background:var(--theme-light);color:var(--theme);font-size:10px;padding:0 5px;border-radius:6px;margin-left:4px;font-weight:400}
.xd-comment-text{font-size:13px;line-height:1.6;padding-left:32px;word-break:break-word}
.xd-comment-text .xd-emoji img{width:18px;height:18px}
.xd-comment-meta{padding-left:32px;display:flex;gap:14px;margin-top:4px;font-size:11px;color:var(--text-light)}
.xd-comment-meta span{cursor:pointer}
.xd-reply{padding-left:32px;margin-top:6px}
.xd-reply-item{padding:6px 8px;background:var(--bg);border-radius:var(--radius-sm);margin-bottom:4px;font-size:12px}
.xd-reply-item .xd-comment-name{display:inline;color:var(--theme)}
.xd-reply-item .reply-arrow{color:var(--text-light);margin:0 4px}

/* 评论输入框 */
.xd-comment-input{position:fixed;bottom:0;left:0;right:0;background:var(--card);border-top:1px solid var(--border);padding:8px 12px;display:flex;gap:8px;align-items:center;z-index:95;max-width:var(--max-w);margin:0 auto;transform:translateY(100%);transition:transform .2s}
.xd-comment-input.show{transform:translateY(0)}
.xd-comment-input input{flex:1;background:var(--bg);border-radius:20px;padding:8px 14px;font-size:13px}
.xd-comment-input button{background:var(--theme);color:#fff;border-radius:20px;padding:8px 16px;font-size:13px}
.xd-comment-input .reply-hint{font-size:11px;color:var(--text-light);width:100%;margin-bottom:4px;display:flex;justify-content:space-between}

/* 点赞列表 */
.xd-likes-list{display:flex;align-items:center;gap:4px;margin-top:8px;font-size:12px;color:var(--text-sub)}
.xd-likes-list .iconfont{color:var(--danger);font-size:14px}
.xd-likes-list span{margin-right:4px}