html,body,#game-root{width:100%;height:100%;margin:0}body{overflow:hidden;background:#102d38;font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);box-sizing:border-box}canvas{display:block}#portrait-warning{display:none;position:fixed;inset:0;background:#102d38;color:#fffaf0;z-index:100;align-items:center;justify-content:center;text-align:center;padding:32px;box-sizing:border-box}.portrait-warning__inner{max-width:320px}.portrait-warning__icon{font-size:80px;margin-bottom:24px;animation:portrait-spin 2.6s ease-in-out infinite}.portrait-warning__title{font-size:26px;font-weight:600;margin-bottom:12px;color:#6ff5e9}.portrait-warning__body{font-size:16px;line-height:1.6;color:#c9fff8}@keyframes portrait-spin{0%,40%{transform:rotate(0)}50%,90%{transform:rotate(-90deg)}to{transform:rotate(-90deg)}}@media(orientation:portrait){#portrait-warning{display:flex}#game-root{visibility:hidden}}@media(prefers-reduced-motion:reduce){.portrait-warning__icon{animation:none}}