:root{--bg: #04060b;--panel: rgba(8, 12, 20, .78);--panel-2: rgba(5, 8, 14, .6);--line-warm: rgba(255, 161, 79, .32);--line-cool: rgba(143, 208, 255, .22);--warm: #ffa14f;--hot: #ffd9a8;--cool: #8fd0ff;--text: #e8ecf4;--dim: #8b94a7;--mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;--disp: "Michroma", "PingFang SC", "Microsoft YaHei", sans-serif;--sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:var(--sans);overflow:hidden;-webkit-font-smoothing:antialiased}.app{position:fixed;top:0;right:0;bottom:0;left:0}.gl{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;cursor:grab;outline:none}.gl:active{cursor:grabbing}.gl:focus-visible{outline:2px solid var(--cool);outline-offset:-2px}.sr-only{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden;white-space:nowrap}.loader{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;gap:8px;align-items:center;justify-content:center;background:var(--bg);z-index:30;animation:loaderPulse 2.4s ease-in-out infinite}.loader-zh{font-size:15px;letter-spacing:.5em;color:var(--hot)}.loader-en{font-family:var(--mono);font-size:11px;letter-spacing:.35em;color:var(--dim)}.dots{display:flex;gap:6px;margin-top:14px}.dots i{width:5px;height:5px;background:var(--warm);border-radius:50%;animation:dot 1.2s ease-in-out infinite}.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}@keyframes dot{0%,to{opacity:.2;transform:scale(.7)}50%{opacity:1;transform:scale(1)}}@keyframes loaderPulse{0%,to{background:#04060b}50%{background:#060a13}}.hud{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:10}.hud>*{pointer-events:auto}.frame{position:absolute;top:10px;right:10px;bottom:10px;left:10px;pointer-events:none!important}.frame span{position:absolute;width:22px;height:22px;border:1px solid var(--line-warm);opacity:.7}.frame span:nth-child(1){top:0;left:0;border-right:0;border-bottom:0}.frame span:nth-child(2){top:0;right:0;border-left:0;border-bottom:0}.frame span:nth-child(3){bottom:0;left:0;border-right:0;border-top:0}.frame span:nth-child(4){bottom:0;right:0;border-left:0;border-top:0}.panel{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--line-warm);clip-path:polygon(0 0,calc(100% - 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