截图模块优化调整

src/style.css

@@ -198,4 +198,39 @@
     opacity: 1;
     transform: translateY(0);
   }
+}
+
+/* 快捷键录入器（全局，截图/剪切板等模块共用） */
+.hotkey-recorder {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  min-width: 120px;
+  height: 36px;
+  padding: 0 12px;
+  border-radius: var(--radius);
+  border: 1px solid hsl(var(--input));
+  background-color: hsl(var(--background));
+  font-size: 0.875rem;
+  color: hsl(var(--foreground));
+  cursor: pointer;
+  user-select: none;
+  outline: none;
+  transition: border-color 0.15s, box-shadow 0.15s;
+}
+.hotkey-recorder:hover {
+  border-color: hsl(var(--ring));
+}
+.hotkey-recorder:focus-visible {
+  border-color: hsl(var(--ring));
+  box-shadow: 0 0 0 2px hsl(var(--ring) / 0.4);
+}
+.hotkey-recorder.recording {
+  border-color: hsl(var(--primary));
+  box-shadow: 0 0 0 2px hsl(var(--primary) / 0.3);
+  animation: recordPulse 1.2s ease-in-out infinite;
+}
+@keyframes recordPulse {
+  0%, 100% { opacity: 1; }
+  50% { opacity: 0.6; }
 }