通用前缀（UI 图标专用）： warm healing watercolor icon, casual merge...

通用前缀（UI 图标专用）： warm healing watercolor icon, casual merge mobile game UI icon, single object only, centered composition, isolated, tr ansparent background, soft hand-painted watercolor texture, warm gentle lighting, clean readable silhouette, polished casual game icon, easy to read at small size, no text, no watermark, no border ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── coin_icon 金币图标（建议 48×48）： a shiny gold coin icon, round flat coin shape, soft golden yellow and warm orange tones, subtle light reflection highl ight, cute and simple, clean readable silhouette, no numbers, no text engraved star_icon 星星货币图标（建议 48×48）： a soft star currency icon, five-pointed star shape, warm golden yellow with creamy white glow, gentle and cute, clean readable silhouette, no face, no eyes, no mouth star_empty 空星星（建议 64×64）： an empty outline star icon, five-pointed star shape, soft warm gray or pale beige outline, hollow center, gentle water color edge, clean simple silhouette, flat and minimal star_filled 亮星星（建议 64×64）： a filled glowing star icon, five-pointed star shape, bright warm golden yellow fill, soft inner glow, cute and cheerfu l, clean readable silhouette, no face order_check 订单完成勾勾（建议 64×64）： a green check mark icon, bold rounded check tick shape, soft vibrant green color, clear and satisfying, clean readable silhouette, friendly and positive feeling, thick stroke tool_hint 提示道具（建议 64×64）： a hint tool icon, cute light bulb or magnifying glass shape, soft warm yellow with gentle glow, glowing or sparkling h int feeling, clever and helpful, clean readable silhouette tool_undo 撤回道具（建议 64×64）： an undo tool icon, curved left-pointing arrow or U-turn back arrow, soft warm orange or gentle coral tone, clean round ed stroke, clear backward direction, clean readable silhouette tool_refresh 刷新道具（建议 64×64）： a refresh tool icon, circular looping arrow or circular refresh arrow, soft warm blue or mint green tone, clean rounde d stroke, clear cycle direction, clean readable silhouette ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── 负面词： plate, tray, table, hands, multiple objects, scene, background details, text, logo, watermark, border, photo, 3d rende r, pixel art, blurry, clutter, square button frame, app icon background