fix: 标题单行截断，防止长标题撑高列表

style.css

@@ -1,6 +1,6 @@
 /*
 Theme Name: 空笺未寄
-Version: 0.16.2
+Version: 0.16.3
 Requires at least: 6.0
 Requires PHP: 7.4
 License: MIT
@@ -279,7 +279,7 @@ body .site { width: 100% !important; }
 .article-item__stats span { display:inline-flex; align-items:center; line-height:1; }
 .article-item:hover { padding-left:12px; border-bottom-color:var(--cinnabar-light); }
 .article-item__main { flex:1; min-width:0; }
-.article-title { font-size:16px; letter-spacing:0.05em; display:block; }
+.article-title { font-size:16px; letter-spacing:0.05em; display:block; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
 .article-item__author { display:inline-flex; align-items:center; gap:4px; font-size:12px; color:var(--ink-lighter); margin-top:4px; }
 .article-avatar { width:14px !important; height:14px !important; border-radius:50% !important; }
 .article-item__meta { display:flex; flex-direction:column; align-items:flex-end; gap:4px; font-size:12px; color:var(--ink-lighter); white-space:nowrap; margin-left:24px; }