body,html{margin:0;padding:0;overscroll-behavior:none}*{box-sizing:border-box}button{font:inherit;padding:6px 12px;border-radius:8px;border:1px solid #ccc;background:#fff;cursor:pointer}button:hover{background:#f5f5f5}button:disabled{opacity:.5;cursor:default}.ys-pin{background:transparent;border:none}