diff --git a/src/components/StatsChart.astro b/src/components/StatsChart.astro
index 23b544e..08ef5ec 100644
--- a/src/components/StatsChart.astro
+++ b/src/components/StatsChart.astro
@@ -10,9 +10,11 @@ interface Props {
   subtitle?: string;
   type: 'pie' | 'line';
   items: ChartItem[];
+  totalLabel?: string;
+  valueLabel?: string;
 }
 
-const { title, subtitle, type, items } = Astro.props;
+const { title, subtitle, type, items, totalLabel = '篇文章', valueLabel = '篇' } = Astro.props;
 const colors = ['#3eb8be', '#f2a65a', '#7f9cf5', '#68b684', '#f07f7f', '#b18ce8', '#e0b34f', '#5ca4d3'];
 const safeItems = items.filter((item) => item.value > 0);
 const total = safeItems.reduce((sum, item) => sum + item.value, 0);
@@ -74,7 +76,7 @@ const labelStep = Math.max(1, Math.ceil(linePoints.length / 6));
           ></circle>
         ))}
         <text x="60" y="56" text-anchor="middle" class="pie-chart-total">{total}</text>
-        <text x="60" y="72" text-anchor="middle" class="pie-chart-label">篇文章</text>
+        <text x="60" y="72" text-anchor="middle" class="pie-chart-label">{totalLabel}</text>
       </svg>
 
       <div class="chart-legend">
@@ -124,7 +126,7 @@ const labelStep = Math.max(1, Math.ceil(linePoints.length / 6));
         {linePoints.map((point, index) => (
           <>
             <circle class="line-chart-dot" cx={point.x} cy={point.y} r="4"></circle>
-            <title>{`${point.label}: ${point.value} 篇`}</title>
+            <title>{`${point.label}: ${point.value} ${valueLabel}`}</title>
             {index % labelStep === 0 && (
               <text class="line-chart-x-label" x={point.x} y={lineHeight - 12} text-anchor="middle">
                 {point.label}
diff --git a/src/pages/categories/index.astro b/src/pages/categories/index.astro
index 27513a2..7221664 100644
--- a/src/pages/categories/index.astro
+++ b/src/pages/categories/index.astro
@@ -11,12 +11,30 @@ const categoryStats = categories.map((category) => ({
   value: posts.filter((post) => post.categories.includes(category)).length,
   href: getCategoryHref(category),
 }));
+const uncategorizedCount = posts.filter((post) => post.categories.length === 0).length;
+const multiCategoryCount = posts.filter((post) => post.categories.length > 1).length;
+const categoryArchiveCount = categoryStats.reduce((sum, category) => sum + category.value, 0) + uncategorizedCount;
+const categoryChartStats = [
+  ...categoryStats,
+  {
+    label: '未分类',
+    value: uncategorizedCount,
+  },
+];
+const categoryChartSubtitle = [
+  `${posts.length} 篇文章`,
+  `${categoryArchiveCount} 次归档`,
+  multiCategoryCount ? `${multiCategoryCount} 篇多分类` : null,
+  uncategorizedCount ? `${uncategorizedCount} 篇未分类` : null,
+]
+  .filter(Boolean)
+  .join(' · ');
 ---
 
 <BaseLayout title="分类">
   <section class="content-wrap narrow">
     <PageHeaderCard title="分类" subtitle={`共 ${categories.length} 个分类`} />
-    <StatsChart title="分类文章统计" subtitle={`共 ${posts.length} 篇文章`} type="pie" items={categoryStats} />
+    <StatsChart title="分类归档统计" subtitle={categoryChartSubtitle} type="pie" items={categoryChartStats} totalLabel="次归档" />
     <div class="term-grid">
       {categoryStats.map((category) => (
         <a href={category.href}>
diff --git a/src/styles/site.css b/src/styles/site.css
index 52d26e2..4e9c341 100644
--- a/src/styles/site.css
+++ b/src/styles/site.css
@@ -646,6 +646,7 @@ a {
 
 .post-layout .article {
   width: 100%;
+  min-width: 0;
   margin: 0;
 }
 
@@ -1314,6 +1315,7 @@ time {
 .article {
   --article-padding: clamp(24px, 5vw, 48px);
   width: min(var(--article-width), calc(100% - (var(--page-gutter) * 2)));
+  min-width: 0;
   margin: 64px auto 84px;
   border: 1px solid rgba(255, 255, 255, 0.58);
   border-radius: 8px;
@@ -1329,6 +1331,10 @@ time {
   -webkit-backdrop-filter: blur(18px) saturate(165%);
 }
 
+.prose {
+  min-width: 0;
+}
+
 .article-header {
   position: relative;
   margin-bottom: 28px;
@@ -1665,6 +1671,7 @@ time {
 }
 
 .prose pre {
+  max-width: 100%;
   margin: 0;
   overflow-x: auto;
   padding: 18px;
@@ -1931,6 +1938,9 @@ time {
 
 .prose .code-block {
   position: relative;
+  width: 100%;
+  max-width: 100%;
+  min-width: 0;
   margin: 1.25em 0;
   overflow: hidden;
   border: 1px solid rgba(15, 118, 110, 0.16);
@@ -1967,6 +1977,7 @@ time {
 }
 
 .prose .code-block pre {
+  max-width: 100%;
   max-height: none;
   padding: 44px 18px 18px;
   background: transparent;