:root{color-scheme:dark;font-family:"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif}
*{box-sizing:border-box}
html,body,#app,#game{width:100%;height:100%;margin:0;overflow:hidden;background:#050609}
body{touch-action:none;overscroll-behavior:none}
#app{position:relative;background:radial-gradient(120% 90% at 50% 40%,#12141c 0%,#080a0f 55%,#040508 100%)}
canvas{display:block;margin:auto;box-shadow:0 0 90px #000,0 0 220px #0b0d16 inset}
#game{position:relative;display:grid;place-items:center}
#game:after{content:"";position:absolute;inset:0;pointer-events:none;z-index:2;background:radial-gradient(115% 85% at 50% 50%,rgba(0,0,0,0) 52%,rgba(0,0,0,.42) 82%,rgba(0,0,0,.72) 100%)}
#boot-veil{position:fixed;inset:0;z-index:30;display:grid;place-items:center;background:#050609;color:#b99a60;font:600 15px "Noto Sans SC","Microsoft YaHei",sans-serif;letter-spacing:6px;transition:opacity .6s ease}
#boot-veil.gone{opacity:0;pointer-events:none}