feat: 重构编辑页面，优化表单布局和样式，增强用户体验

static/css/style.css

@@ -1212,6 +1212,35 @@ th {
     overflow: auto;
 }
 
+.edit-stack {
+    display: grid;
+    grid-template-columns: minmax(0, 1.6fr) minmax(340px, 1fr);
+    gap: var(--space-2);
+    align-items: start;
+}
+
+.lcsc-import-panel .lcsc-inline-form {
+    grid-template-columns: 2fr 1fr;
+    align-items: end;
+}
+
+.edit-stack .lcsc-import-panel,
+.edit-stack > .quick-inbound-panel,
+.edit-stack > .edit-guide-panel {
+    grid-column: 1;
+}
+
+.edit-form-panel {
+    grid-column: 2;
+    grid-row: 1 / span 3;
+    position: sticky;
+    top: 92px;
+}
+
+.edit-guide-panel {
+    max-width: 100%;
+}
+
 .ai-standardize-preview {
     display: grid;
     gap: var(--space-1);
@@ -1332,6 +1361,20 @@ th {
     .entry-sidebar {
         position: static;
     }
+
+    .lcsc-import-panel .lcsc-inline-form {
+        grid-template-columns: 1fr;
+    }
+
+    .edit-stack {
+        grid-template-columns: 1fr;
+    }
+
+    .edit-form-panel {
+        grid-column: auto;
+        grid-row: auto;
+        position: static;
+    }
 }
 
 @media (max-width: 760px) {