polish(frontend): 侧栏与徽章可读性，智能悬停提示

降权全站字重；优化右栏公告/数据块；类型状态徽章用固定浅色区分；TipHost 仅在文案不一致、非文字或省略时显示。

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/components/home/CheckinCard.tsx

@@ -43,7 +43,7 @@ export function PulseCheckin({ initial }: { initial?: CheckinStatus | null }) {
           {checked ? <CalendarCheck size={16} /> : <CalendarDays size={16} />}
         </span>
         <div className="min-w-0 flex-1">
-          <p className="text-[12.5px] font-bold leading-tight" style={{ color: "var(--ink)" }}>
+          <p className="text-[12.5px] leading-tight" style={{ color: "var(--ink)" }}>
             每日签到
           </p>
           <p className="meta mt-0.5 truncate text-[11px]">

frontend/components/home/CommunityPanels.tsx

@@ -73,10 +73,10 @@ function PulseCard({ stats, checkin }: { stats: OverviewStats; checkin?: Checkin
           实时
         </span>
       </div>
-      <div className="j13-pulse mt-3">
+      <div className="j13-pulse">
         {cells.map((c) => (
           <div key={c.label} className="j13-pulse-cell">
-            <p className="j13-pulse-lab" style={{ color: "var(--ink-3)" }}>
+            <p className="j13-pulse-lab">
               <span style={{ color: "var(--accent)" }} aria-hidden="true">
                 {c.icon}
               </span>
@@ -102,32 +102,31 @@ function PulseCard({ stats, checkin }: { stats: OverviewStats; checkin?: Checkin
 function Announcements({ items }: { items: AnnouncementSummary[] }) {
   return (
     <section className="j13-module" aria-label="站点公告">
-      <p className="j13-module-title mb-2">
+      <p className="j13-module-title">
         <Megaphone size={15} style={{ color: "var(--accent)" }} /> 站点公告
       </p>
       {items.length === 0 ? (
-        <p className="meta px-1 py-1.5">暂无公告</p>
+        <p className="meta mt-2 px-0.5">暂无公告</p>
       ) : (
-        <ul>
+        <ul className="j13-anno-list">
           {items.map((a) => (
             <li key={a.id}>
               <Link
                 href={`/announcement/${a.id}`}
-                className="group block -mx-1.5 rounded-lg px-1.5 py-1.5 transition-colors hover:bg-[var(--accent-soft)] focus-visible:bg-[var(--accent-soft)]"
+                className="j13-anno-item"
+                data-tip={a.title}
               >
-                <span className="flex items-center justify-between gap-2">
-                  <span className={`j13-anno-tag is-${a.tag_color}`}>{a.tag}</span>
-                  <span className="meta shrink-0 text-[11px] tabular-nums">
-                    {formatShortDate(a.created_at)}
+                <span className="j13-anno-item-body">
+                  <span className="j13-anno-item-title truncate">{a.title}</span>
+                  <span className="j13-anno-item-meta">
+                    {a.tag ? (
+                      <span className={`j13-anno-tag is-${a.tag_color}`}>{a.tag}</span>
+                    ) : null}
+                    <span className="meta text-[11px] tabular-nums">
+                      {formatShortDate(a.created_at)}
+                    </span>
                   </span>
                 </span>
-                <span
-                  className="mt-1.5 block truncate text-[13px] leading-snug transition-colors group-hover:text-[var(--accent)]"
-                  style={{ color: "var(--ink)" }}
-                  data-tip={a.title}
-                >
-                  {a.title}
-                </span>
               </Link>
             </li>
           ))}
@@ -236,7 +235,7 @@ function ActiveUsers({ users }: { users: ActiveUser[] }) {
                   <Avatar name={name} src={u.avatar} size={30} />
                   <span className="flex-1 min-w-0">
                     <span
-                      className="block truncate text-[13px] font-semibold leading-tight"
+                      className="block truncate text-[13px] leading-tight"
                       style={{ color: "var(--ink)" }}
                     >
                       {name}
@@ -251,7 +250,7 @@ function ActiveUsers({ users }: { users: ActiveUser[] }) {
                     </span>
                   </span>
                   <span
-                    className="shrink-0 text-[13px] font-extrabold tabular-nums"
+                    className="shrink-0 text-[13px] tabular-nums"
                     style={{ color: "var(--accent)" }}
                     aria-label={`本周共 ${u.post_count + u.comment_count} 次互动`}
                   >

frontend/components/home/FeedNewTip.tsx

@@ -60,7 +60,7 @@ export default function FeedNewTip({
       <button
         type="button"
         onClick={handleClick}
-        className="j13-feed-new-tip w-full inline-flex items-center justify-center gap-1.5 py-2 px-3 text-[13px] font-semibold rounded-[var(--r-sm)] transition-colors"
+        className="j13-feed-new-tip w-full inline-flex items-center justify-center gap-1.5 py-2 px-3 text-[13px] rounded-[var(--r-sm)] transition-colors"
         style={{
           color: "var(--accent)",
           background: "var(--accent-soft)",

frontend/components/home/WorkspaceNav.tsx

@@ -10,23 +10,14 @@ function boardHref(id: number) {
   return `/?board=${id}`;
 }
 
-// 桌面左栏：发帖 CTA + 板块导航 + 登录态快捷入口
-export function WorkspaceNav({ boards, user }: { boards: BoardWithCount[]; user: User | null }) {
+// 桌面左栏：板块导航
+export function WorkspaceNav({ boards }: { boards: BoardWithCount[]; user?: User | null }) {
   const params = useSearchParams();
   const activeBoard = Number(params.get("board")) || 0;
-  const composePath =
-    activeBoard > 0 ? `/compose?board=${activeBoard}` : "/compose";
-  const composeHref = user
-    ? composePath
-    : `/login?redirect=${encodeURIComponent(composePath)}`;
 
   return (
     <nav className="hidden lg:block w-56 xl:w-60 shrink-0" aria-label="工作台导航">
       <div className="sticky top-24 space-y-5">
-        <Link href={composeHref} className="btn btn-primary w-full justify-center">
-          <PenSquare size={16} /> 发起讨论
-        </Link>
-
         {/* 「全部讨论」是重置筛选的动作入口，与板块目录分区展示；卡片样式与下方板块一致 */}
         <div className="space-y-0.5">
           <Link href="/" className="j13-bcard" aria-current={activeBoard === 0 ? "page" : undefined}>
@@ -37,7 +28,7 @@ export function WorkspaceNav({ boards, user }: { boards: BoardWithCount[]; user:
             >
               <Home size={16} />
             </span>
-            <span className="j13-bcard-name flex-1 truncate text-[13px] font-bold">
+            <span className="j13-bcard-name flex-1 truncate text-[14px]">
               全部讨论
             </span>
           </Link>
@@ -48,7 +39,7 @@ export function WorkspaceNav({ boards, user }: { boards: BoardWithCount[]; user:
         <div>
           <Link
             href="/boards"
-            className="group px-1 mb-2 flex items-center justify-between text-[11.5px] font-bold tracking-[0.08em] uppercase text-[var(--ink-3)] hover:text-[var(--accent)] transition-colors"
+            className="group px-1 mb-2 flex items-center justify-between text-[11.5px] font-medium tracking-[0.08em] uppercase text-[var(--ink-3)] hover:text-[var(--accent)] transition-colors"
             aria-label="进入板块目录列表页"
           >
             <span className="flex items-center">
@@ -60,7 +51,7 @@ export function WorkspaceNav({ boards, user }: { boards: BoardWithCount[]; user:
               />
             </span>
             {boards.length > 0 && (
-              <span className="tracking-normal font-semibold tabular-nums">{boards.length} 个</span>
+              <span className="tracking-normal tabular-nums">{boards.length} 个</span>
             )}
           </Link>
           <div className="space-y-2">
@@ -76,7 +67,7 @@ export function WorkspaceNav({ boards, user }: { boards: BoardWithCount[]; user:
                   {b.name.slice(0, 1)}
                 </span>
                 <span className="min-w-0 flex-1 flex items-center justify-between gap-2">
-                  <span className="j13-bcard-name truncate text-[13px] font-bold">
+                  <span className="j13-bcard-name truncate text-[14px]">
                     {b.name}
                   </span>
                   <span className="meta shrink-0 text-[11px] tabular-nums">{b.post_count} 篇</span>