*{margin:0;padding:0;box-sizing:border-box}.game-app{min-height:100vh;background:linear-gradient(145deg,#1a1a2e,#16213e);color:#eee;font-family:sans-serif;display:flex;justify-content:center;align-items:center}.menu{display:flex;flex-direction:column;gap:20px;padding:40px;background:#ffffff12;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:20px;box-shadow:0 8px 32px #0006;width:90%;max-width:400px}.title{font-size:2.2rem;text-align:center;background:linear-gradient(135deg,#f7971e,#ffd200);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.menu-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0}.menu-row select{padding:6px 12px;border-radius:8px;border:1px solid #555;background:#222;color:#eee;font-size:1rem}.btn-play{padding:14px 28px;border:none;border-radius:14px;font-size:1.3rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);cursor:pointer;box-shadow:0 4px 15px #667eea66}.high{text-align:center;font-size:1.2rem;color:#ffc107}.play-screen{width:100%;max-width:700px;padding:16px;display:flex;flex-direction:column;gap:12px}.top-bar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}.btn-back,.btn-reset{padding:8px 16px;border:none;border-radius:10px;background:#ffffff1a;color:#ccc;cursor:pointer;transition:all .2s}.btn-back:hover,.btn-reset:hover{background:#fff3;color:#fff}.cur-player{font-weight:700;font-size:1.1rem}.cloud-badge{font-size:.85rem;color:#a0a0ff;background:#6464ff26;padding:4px 10px;border-radius:20px}.toast{position:fixed;top:20px;left:50%;transform:translate(-50%);background:#222;color:#0f0;padding:12px 24px;border-radius:10px;z-index:100;font-size:1rem;box-shadow:0 4px 20px #0f03}.board-wrap{display:flex;justify-content:center;align-items:center}.xiangqi-board{display:grid;grid-template-columns:repeat(9,1fr);gap:0;background:#b8860b;padding:4px;border-radius:6px;width:min(90vw,500px)}.xq-cell{position:relative;display:flex;justify-content:center;align-items:center;aspect-ratio:1;border:1px solid #8b5e3c;background:tan;cursor:pointer;transition:background .2s}.xq-cell:hover{background:#c9a96e}.xq-cell .xq-piece{font-size:min(3vw,20px);font-weight:700;-webkit-user-select:none;user-select:none;z-index:1}.xq-cell .xq-piece.red{color:#d32f2f;text-shadow:0 0 4px #ff8888,0 0 8px #ff4444}.xq-cell .xq-piece.black{color:#111;text-shadow:0 0 4px #888,0 0 8px #444}.xq-cell.sel{box-shadow:inset 0 0 8px 2px gold}.xq-cell.hint{background:#00ff0026}.hint-dot{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40%;height:40%;background:#00ff0040;border-radius:50%;pointer-events:none}.grid-board{background:#1e3a5f;border-radius:8px;padding:2px}.go-cell{display:flex;justify-content:center;align-items:center;background:#2d5a3d;border:1px solid #3a7a5a;cursor:pointer;transition:background .2s;position:relative}.go-cell:hover{background:#3b6e4b}.stone{font-size:min(2.5vw,18px);color:#fff;text-shadow:0 0 3px rgba(255,255,255,.5)}.go-cell.placed.b .stone{color:#000;text-shadow:0 0 3px rgba(0,0,0,.5)}.go-cell.placed.w .stone{color:#fff;text-shadow:0 0 3px rgba(255,255,255,.5)}.hist-panel{max-height:150px;overflow-y:auto;background:#0003;border-radius:10px;padding:8px;margin-top:8px}.hist-title{font-weight:700;margin-bottom:4px;color:#aaa}.hist-item{font-size:.8rem;padding:2px 0;border-bottom:1px solid rgba(255,255,255,.05);color:#ccc}.over-modal{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;justify-content:center;align-items:center;background:#000000b3;z-index:200}.over-card{background:#1e1e2e;padding:40px;border-radius:20px;text-align:center;box-shadow:0 8px 30px #00000080}.over-card h2{font-size:2rem;margin-bottom:10px;background:linear-gradient(135deg,#f7971e,#ffd200);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.over-card p{font-size:1.3rem;margin-bottom:20px}@media (max-width:600px){.xiangqi-board{width:95vw}.xq-cell .xq-piece{font-size:max(2.5vw,14px)}.stone{font-size:max(2vw,12px)}.title{font-size:1.8rem}}