//======assets/style.css======.sfv-wrapper{position:relative;border:1px solid #ddd;padding:0;overflow:hidden;background:#f9f9f9}.sfv-viewport{width:100%;height:auto;position:relative;overflow:hidden}.sfv-viewport img.sfv-image{display:block;width:100%;height:auto;-webkit-user-drag:none;user-select:none;touch-action:none}.sfv-controls{margin-top:8px;display:flex;gap:6px}.sfv-controls button{padding:6px 12px;border:1px solid #ccc;background:#fff;cursor:pointer;border-radius:4px}.sfv-controls button:hover{background:#eee}