update latex formate

Author: myshkin451

client/src/views/PostDetailView.vue

@@ -157,4 +157,11 @@ onUnmounted(() => {
   border-radius: 0.75rem; /* rounded-xl */
   box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
 }
+
+/* 给数学公式一点呼吸空间，防止太拥挤 */
+.katex-display {
+  margin: 1.5em 0;
+  overflow-x: auto;
+  overflow-y: hidden;
+}
 </style>