v1.1 — 图片/头像/作者/日期全面优化

- 图片: 缩略图改为 soft crop，原图裁黑边
- 头像: 团队证件照替换 SVG，CSS 约束尺寸和圆角
- 作者: 了心/墨羽/探子三个真实用户
- 笺文列表: 左侧增加封面缩略图
- 分页: 20篇/页
- 详情页: 返回笺文链接 + 头像尺寸约束
- 作者页: 高清头像 + 中文日期
- 微言: 作者随机 + 时间匹配内容

style.css

@@ -301,3 +301,67 @@ echo "done"
 .article-cover { overflow: hidden; height: 240px; }
 
 /* Thumbnail fix — regenerate without black bars */
+
+.article-item__thumb {
+  width: 60px;
+  height: 60px;
+  border-radius: var(--radius);
+  overflow: hidden;
+  flex-shrink: 0;
+  margin-right: 16px;
+}
+.article-item__thumb img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+.article-item {
+  display: flex;
+  align-items: center;
+}
+
+.avatar, .pinned-avatar, .card-avatar, .tucao-avatar, .article-avatar, .avatar-sm {
+  object-fit: cover !important;
+  border-radius: 50% !important;
+}
+
+.avatar, .pinned-avatar, .card-avatar, .tucao-avatar, .article-avatar, .avatar-sm {
+  object-position: center 20%;
+}
+
+.avatar-16, .card-avatar, .tucao-avatar, .article-avatar {
+  width: 16px !important;
+  height: 16px !important;
+}
+.avatar-18, .pinned-avatar {
+  width: 18px !important;
+  height: 18px !important;
+}
+.avatar-14, .article-avatar {
+  width: 14px !important;
+  height: 14px !important;
+}
+.avatar-sm {
+  width: 16px !important;
+  height: 16px !important;
+}
+
+.single-post__meta img,
+.article-byline img {
+  width: 22px !important;
+  height: 22px !important;
+  border-radius: 50% !important;
+  object-fit: cover !important;
+  vertical-align: middle;
+}
+.article-byline span {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+}
+.author-card__avatar {
+  width: 56px !important;
+  height: 56px !important;
+  border-radius: 50% !important;
+  object-fit: cover !important;
+}