feat: add quick links section to System page

src/pages/SystemPage.module.scss

@@ -135,3 +135,81 @@
     }
   }
 }
+
+.quickLinks {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
+  gap: $spacing-md;
+}
+
+.linkCard {
+  display: flex;
+  align-items: center;
+  gap: $spacing-md;
+  padding: $spacing-md $spacing-lg;
+  background-color: var(--bg-secondary);
+  border: 1px solid var(--border-color);
+  border-radius: $radius-lg;
+  text-decoration: none;
+  color: inherit;
+  transition: all 0.2s ease;
+
+  &:hover {
+    background-color: var(--bg-hover);
+    border-color: var(--primary-color);
+    transform: translateY(-2px);
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+  }
+
+  &:active {
+    transform: translateY(0);
+  }
+}
+
+.linkIcon {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 44px;
+  height: 44px;
+  border-radius: $radius-md;
+  background-color: var(--primary-color);
+  color: white;
+  flex-shrink: 0;
+
+  &.github {
+    background-color: #24292f;
+  }
+
+  &.docs {
+    background-color: #10b981;
+  }
+}
+
+.linkContent {
+  flex: 1;
+  min-width: 0;
+}
+
+.linkTitle {
+  display: flex;
+  align-items: center;
+  gap: $spacing-xs;
+  font-size: 15px;
+  font-weight: 600;
+  color: var(--text-primary);
+  margin-bottom: 2px;
+
+  svg {
+    opacity: 0.5;
+    flex-shrink: 0;
+  }
+}
+
+.linkDesc {
+  font-size: 13px;
+  color: var(--text-secondary);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}