diff --git a/web/src/assets/index.css b/web/src/assets/index.css
index bfa2f14..6f4ecbb 100644
--- a/web/src/assets/index.css
+++ b/web/src/assets/index.css
@@ -236,7 +236,7 @@
    ======================================== */
 @media (max-width: 639px) {
   body {
-    font-size: 14.5px;
+    font-size: 15.5px;
     font-weight: 500;
     line-height: 1.55;
     letter-spacing: -0.01em;
@@ -265,25 +265,28 @@
 
   /* 针对移动端小字进行强制加粗补偿（400 在手机上易由于笔画过细而消失） */
   .text-xs {
-    font-size: 11.5px;
+    font-size: 12.5px;
     font-weight: 550;
     line-height: 1.4;
     letter-spacing: 0.01em;
   }
 
   .text-sm {
-    font-size: 13.5px;
+    font-size: 14.5px;
     font-weight: 500;
     line-height: 1.5;
   }
 
   /* 交互性元素显著加厚，提升点击信心 */
   button,
-  [role="button"],
-  .font-medium {
+  [role="button"] {
     font-weight: 600;
   }
 
+  .font-medium {
+    font-weight: 500;
+  }
+
   /* 表格单元格保持高对比度 */
   td, th {
     font-weight: 500;