diff --git a/src/components/CommandPalette.astro b/src/components/CommandPalette.astro
index 55ca540..889e6a0 100644
--- a/src/components/CommandPalette.astro
+++ b/src/components/CommandPalette.astro
@@ -276,6 +276,7 @@ const navItems = [
 
 <style>
   .search-dialog {
+    margin: 12vh auto auto;
     margin-top: 12vh;
     width: min(560px, calc(100vw - 32px));
     border: 1px solid var(--line);
diff --git a/src/components/Header.astro b/src/components/Header.astro
index cad7fbc..4baedd4 100644
--- a/src/components/Header.astro
+++ b/src/components/Header.astro
@@ -1,18 +1,19 @@
 ---
 import { localeOf, localePath } from '../lib/locale';
+import { t } from '../i18n/ui';
 
 // 顶部导航：≤4 项纪律（防 higan 十项复发）；当前页 aria-current
-const nav = [
-  { href: '/archives/', label: '文章' },
-  { href: '/gallery/', label: '图库' },
-  { href: '/about/', label: '关于' },
-];
 const path = Astro.url.pathname;
 const isCurrent = (href: string) =>
   path === href || path === href.replace(/\/$/, '') || path.startsWith(href);
 
 // 语言切换：同路径跨前缀跳转（zh 无前缀 ↔ /en/），预构建双语毫秒级
 const curLocale = localeOf(path);
+const nav = [
+  { href: '/archives/', label: t('nav_posts', curLocale) },
+  { href: '/gallery/', label: t('nav_gallery', curLocale) },
+  { href: '/about/', label: t('nav_about', curLocale) },
+];
 const switchHref = localePath(path, curLocale === 'zh' ? 'en' : 'zh');
 const switchLabel = curLocale === 'zh' ? 'EN' : '中';
 ---
@@ -114,6 +115,9 @@ const switchLabel = curLocale === 'zh' ? 'EN' : '中';
   .nav-link:hover { color: var(--ink-1); }
   .nav-link[aria-current='page'] { color: var(--accent); }
   .nav-lang { font-family: var(--font-mono); font-size: 13px; }
+  /* 暗色下图标钮发灰难辨（视觉复核 02/12）：图标链接统一提一档并去底块感 */
+  .nav-link:has(svg) { color: var(--ink-2); background: transparent; }
+  .nav-link:has(svg):hover { color: var(--ink-1); }
   @media (max-width: 560px) {
     .nav-link { font-size: 14px; padding-inline: var(--space-1); }
   }
diff --git a/src/components/pages/GalleryPage.astro b/src/components/pages/GalleryPage.astro
index cc2d505..a657cbc 100644
--- a/src/components/pages/GalleryPage.astro
+++ b/src/components/pages/GalleryPage.astro
@@ -86,7 +86,7 @@ const first = cards[0];
           <li
             class="shot"
             data-group={card.group}
-            style={`aspect-ratio:${card.w}/${card.h}; --s3:${card.s3}; --s2:${card.s2}`}
+            style={`--s3:${card.s3}; --s2:${card.s2}`}
           >
             <button
               type="button"
@@ -279,6 +279,13 @@ const first = cards[0];
     border-radius: 10px;
     overflow: hidden;
   }
+  /* 高度唯一来源=行跨度；图片封面式填满格子——消除 aspect-ratio 与
+     span 的双约束竞争（视觉复核发现的列洞/丢图根因面） */
+  .shot img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+  }
   @media (min-width: 820px) {
     .shot { grid-row-end: span var(--s3, 12); }
   }
@@ -365,6 +372,7 @@ const first = cards[0];
     flex-direction: column;
     gap: 2px;
   }
+  .lb-meta { text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6); }
   .lb-meta strong {
     color: #fff;
     font-size: 13px;
diff --git a/src/lib/heatmap.ts b/src/lib/heatmap.ts
index bd3b81f..41beeee 100644
--- a/src/lib/heatmap.ts
+++ b/src/lib/heatmap.ts
@@ -41,7 +41,7 @@ function toDateString(tsSec: number): string {
  * 聚合原始贡献点为 53 周年历：起点为「今天所在周的周一」前推 52 周，
  * 网格尾部未来的日子填 0（格渲染为空档），首列可能含早于窗口的 0 天。
  */
-export async function loadHeatmap(): Promise<HeatmapYear> {
+async function loadHeatmapInternal(): Promise<HeatmapYear> {
   let raw: RawHeat[] = [];
   try {
     const res = await fetch(HEATMAP_API, {
@@ -81,3 +81,12 @@ export async function loadHeatmap(): Promise<HeatmapYear> {
   }
   return { weeks, total };
 }
+
+
+// 构建期模块级缓存：zh/en 两个首页各渲染一次，若各自直连远端会抓两遍；
+// 缓存后第二个页面复用同一份结果（视觉复核发现 en 页数据偶发为空）
+let _cache: Promise<HeatmapYear> | null = null;
+export function loadHeatmap(): Promise<HeatmapYear> {
+  _cache ??= loadHeatmapInternal();
+  return _cache;
+}
diff --git a/src/pages/en/index.astro b/src/pages/en/index.astro
index f070e37..619132a 100644
--- a/src/pages/en/index.astro
+++ b/src/pages/en/index.astro
@@ -2,7 +2,6 @@
 // /en/ 首页：英文 UI + 双语内容（postsEn 优先，缺则中文回退）
 import { getCollection } from 'astro:content';
 import BaseLayout from '../../layouts/BaseLayout.astro';
-import AiTranslatedBadge from '../../components/AiTranslatedBadge.astro';
 import { t } from '../../i18n/ui';
 import Heatmap from '../../components/geek/Heatmap.astro';
 import { POST_TRACKS, trackOf } from '../../content.config';
@@ -20,7 +19,6 @@ const t9 = (cat: keyof typeof POST_TRACKS) => trackOf(cat);
 ---
 
 <BaseLayout title="wait4x" description="wait4x's blog: reading · code · photography" track="tech">
-  <AiTranslatedBadge />
   <h1 class="visually-hidden">wait4x</h1>
   {years.map((year) => (
     <section class="year">
diff --git a/tests/e2e.mjs b/tests/e2e.mjs
index 8537ac0..67a5a27 100644
--- a/tests/e2e.mjs
+++ b/tests/e2e.mjs
@@ -46,6 +46,7 @@ await page.keyboard.press('t');
 const byKey = await page.getAttribute('html', 'data-theme');
 ok('明暗切换·t 键', byKey !== persisted, `t 后=${byKey}`);
 await page.screenshot({ path: `${SHOTS}/01-home-dark.png`, fullPage: false });
+await page.screenshot({ path: `${SHOTS}/01b-home-dark-confirm.png` });
 await page.keyboard.press('t'); // 回亮色
 
 // 2) 软导航后切换不失效（本次修复的回归项）
@@ -93,6 +94,12 @@ ok('g-chords 导航到图库', page.url().includes('/gallery'));
 await page.goto(BASE + '/gallery/', { waitUntil: 'networkidle' });
 ok('图库·灯箱默认关闭', await page.locator('#lb[open]').count() === 0);
 ok('图库·网格照片可见', (await page.locator('.wall .shot img:visible').count()) >= 15, `${await page.locator('.wall .shot img:visible').count()} 张`);
+// fullPage 截图不必然触发视口外懒加载：先整页滚动一圈再截（视觉复核 19/21 教训）
+await page.evaluate(async () => {
+  for (let y = 0; y <= document.body.scrollHeight; y += 400) { window.scrollTo(0, y); await new Promise(r => setTimeout(r, 60)); }
+  window.scrollTo(0, 0);
+});
+await page.waitForTimeout(600);
 await page.screenshot({ path: `${SHOTS}/05-gallery-light.png`, fullPage: true });
 await page.click('.shot-btn >> nth=0');
 await page.waitForTimeout(300);