完善AMESim组件界面与仿真求解稳定性

frontend/src/styles.css

@@ -964,6 +964,42 @@ textarea {
   width: 100%;
   height: 100%;
   overflow: visible;
+  shape-rendering: geometricPrecision;
+}
+
+.component-symbol-svg[data-symbol-domain="neutral"] {
+  --component-symbol-stroke: #334155;
+  --component-symbol-fill: #f8fafc;
+  --component-symbol-accent: #2563eb;
+  --component-symbol-muted: #94a3b8;
+}
+
+.component-symbol-svg[data-symbol-domain="pneumatic"] {
+  --component-symbol-stroke: #a12b70;
+  --component-symbol-fill: #fff8fc;
+  --component-symbol-accent: #bd2779;
+  --component-symbol-muted: #d69aba;
+}
+
+.component-symbol-svg[data-symbol-domain="mechanical"] {
+  --component-symbol-stroke: #1f9d42;
+  --component-symbol-fill: #f4fff6;
+  --component-symbol-accent: #15803d;
+  --component-symbol-muted: #86c994;
+}
+
+.component-symbol-svg[data-symbol-domain="signal"] {
+  --component-symbol-stroke: #ef4444;
+  --component-symbol-fill: #fff8f8;
+  --component-symbol-accent: #dc2626;
+  --component-symbol-muted: #f5a3a3;
+}
+
+.component-symbol-svg[data-symbol-domain="medium"] {
+  --component-symbol-stroke: #c026d3;
+  --component-symbol-fill: #ffffff;
+  --component-symbol-accent: #a21caf;
+  --component-symbol-muted: #e879f9;
 }
 
 .component-symbol-medium-label {