fix: 滑卡退出距离自适应屏幕宽度，小屏设备体验更顺滑

src/components/SwipeableCard.tsx

@@ -13,7 +13,8 @@ import RestaurantCard from "./RestaurantCard";
 import { Restaurant, SwipeDirection } from "@/types";
 
 const SWIPE_THRESHOLD = 120;
-const EXIT_X = 600;
+const getExitX = () =>
+  typeof window !== "undefined" ? window.innerWidth * 1.5 : 600;
 const ROTATION_RANGE = 18;
 
 interface SwipeableCardProps {
@@ -66,7 +67,8 @@ export default function SwipeableCard({
   const flyOut = (direction: SwipeDirection) => {
     if (isSwiping.current) return;
     isSwiping.current = true;
-    const exitX = direction === "right" ? EXIT_X : -EXIT_X;
+    const exit = getExitX();
+    const exitX = direction === "right" ? exit : -exit;
     animate(x, exitX, {
       type: "spring",
       stiffness: 600,