*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:#000;font-family:Microsoft YaHei,PingFang SC,system-ui,sans-serif;color:#cfe3f5;user-select:none;-webkit-user-select:none;overscroll-behavior:none;-webkit-tap-highlight-color:transparent}#app{position:fixed;inset:0;display:block;touch-action:none}#labels{position:fixed;inset:0;pointer-events:none;z-index:5}.body-label{position:absolute;top:0;left:0;transform:translate(-200px,-200px);pointer-events:auto;cursor:pointer;font-size:12px;color:#bed7f0d9;text-shadow:0 0 4px #000,0 0 2px #000;padding:2px 6px;white-space:nowrap;translate:6px -50%;touch-action:manipulation}.body-label .ld{margin-left:6px;opacity:.6;font-size:11px}.body-label.label-moon{font-size:11px;color:#a0b9d2bf}.body-label.label-poi{color:#ffc882d9}.body-label.label-star{font-size:10px;color:#96a5c399;pointer-events:none}.body-label.label-star .ld{font-size:9px}#labels.daysky .label-star{display:none!important}.body-label.aimed{color:#ffe9b0}.body-label.aimed:before{content:"▸ "}.body-label.selected{color:#7fd4ff;font-weight:700}#hud{position:fixed;inset:0;pointer-events:none;z-index:10}.panel{position:absolute;background:#08101c9e;border:1px solid rgba(110,160,210,.25);border-radius:8px;padding:10px 14px;font-size:13px;line-height:1.7;backdrop-filter:blur(6px)}#hud-time{min-width:240px}#hud-nav{bottom:14px;left:14px;min-width:280px}#hud-target{top:14px;right:14px;width:300px}#hud-tip{position:absolute;bottom:90px;left:50%;transform:translate(-50%);background:#141e0ab3;border:1px solid rgba(180,220,120,.4);border-radius:6px;padding:6px 16px;font-size:14px;color:#d8f0b0;pointer-events:none;white-space:nowrap;max-width:90vw}#crosshair{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#a0c8f0b3;font-size:18px;font-weight:200}.big{font-size:16px;font-weight:700;color:#e8f4ff}.dim{opacity:.65;font-size:12px}.warn{color:#ffb86b;font-size:12px}.accent{color:#8fd9ff}.key{display:inline-block;border:1px solid rgba(150,190,230,.5);border-radius:3px;padding:0 5px;font-size:11px;margin:0 1px;background:#3c5a824d}.tname{font-size:17px;font-weight:700;color:#fff;margin-bottom:4px}.desc{margin-top:6px;padding-top:6px;border-top:1px solid rgba(110,160,210,.2);font-size:12px;opacity:.85;line-height:1.6}.fact{margin-top:6px;padding:7px 9px;background:#28463259;border-left:2px solid #8fd98f;border-radius:4px;font-size:12px;line-height:1.6;color:#d4ecd4;pointer-events:auto}.fact b{color:#a8e8a8}.fact-next{display:inline-block;margin-left:4px;cursor:pointer;color:#7fd4ff;font-size:11px;user-select:none;touch-action:manipulation}.fact-next:hover{text-decoration:underline}#left-col{position:fixed;top:14px;left:14px;z-index:20;width:260px;display:flex;flex-direction:column;gap:8px;max-height:calc(100vh - 130px);pointer-events:none}#left-col .panel{position:static;pointer-events:auto}#directory{position:fixed;top:110px;left:14px;z-index:20;width:260px;background:#08101cd1;border:1px solid rgba(110,160,210,.28);border-radius:10px;backdrop-filter:blur(8px);display:flex;flex-direction:column;min-height:0;pointer-events:auto}#dir-body{display:none}#directory.open #dir-body{display:flex;flex-direction:column}.dir-head{padding:10px 14px;font-size:14px;font-weight:700;color:#e8f4ff;border-bottom:1px solid rgba(110,160,210,.2);cursor:pointer;user-select:none;touch-action:manipulation}.dir-head:hover{background:#3c6eaa26;border-radius:10px 10px 0 0}#dir-body{overflow-y:auto;padding:6px 8px;flex:1;touch-action:pan-y}#dir-body details{margin-bottom:4px}#dir-body summary{cursor:pointer;padding:6px 8px;font-size:13px;color:#9fc6ea;border-radius:6px;user-select:none;touch-action:manipulation}#dir-body summary:hover{background:#3c6eaa40}.dir-parent{padding:4px 10px 1px;font-size:11px;color:#6f96bc}.dir-item{display:block;width:100%;text-align:left;cursor:pointer;padding:5px 10px 5px 18px;font-size:13px;font-family:inherit;color:#cfe3f5;background:none;border:none;border-radius:6px;touch-action:manipulation}.dir-item span{opacity:.5;font-size:11px}.dir-item:hover{background:#3c6eaa59}#dir-body::-webkit-scrollbar{width:6px}#dir-body::-webkit-scrollbar-thumb{background:#6ea0d24d;border-radius:3px}#github-star{display:inline-flex;align-items:center;gap:6px;margin-top:22px;padding:8px 20px;font-size:13px;font-family:inherit;color:#e6edf3;background:#216e3c59;border:1px solid rgba(63,185,80,.4);border-radius:20px;text-decoration:none;letter-spacing:.5px;transition:background .25s,border-color .25s,transform .25s;touch-action:manipulation}#github-star:hover{background:#3fb95040;border-color:#3fb950;transform:translateY(-1px)}.star-icon{display:inline-block;transition:transform .3s ease}#github-star:hover .star-icon{transform:rotate(15deg) scale(1.15)}#start{position:fixed;inset:0;z-index:100;background:radial-gradient(ellipse at center,#0c1a2e,#02050c 70%);display:flex;align-items:center;justify-content:center;overflow:hidden}.start-bg{position:absolute;inset:0;pointer-events:none;z-index:0;overflow:hidden}.nebula-glow{position:absolute;top:50%;left:50%;width:140vmax;height:140vmax;transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(25,70,125,.22) 0%,rgba(12,40,80,.08) 40%,transparent 70%);animation:nebulaPulse 10s ease-in-out infinite}@keyframes nebulaPulse{0%,to{opacity:.55;transform:translate(-50%,-50%) scale(1)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.08)}}.star-particles{position:absolute;inset:0;background-image:radial-gradient(2px 2px at 20% 30%,rgba(180,220,255,.9),transparent),radial-gradient(1.5px 1.5px at 80% 20%,rgba(200,230,255,.7),transparent),radial-gradient(1px 1px at 50% 70%,rgba(160,200,240,.6),transparent),radial-gradient(2px 2px at 70% 60%,rgba(190,215,250,.8),transparent),radial-gradient(1px 1px at 10% 80%,rgba(170,210,250,.5),transparent),radial-gradient(1.5px 1.5px at 90% 90%,rgba(200,225,255,.7),transparent);background-size:200% 200%;animation:particleDrift 30s linear infinite}@keyframes particleDrift{0%{background-position:0% 0%,100% 0%,50% 100%,0% 50%,100% 100%,50% 0%}to{background-position:100% 100%,0% 100%,50% 0%,100% 50%,0% 0%,50% 100%}}.start-inner{position:relative;z-index:1;text-align:center;padding:56px 72px;background:#08101c8c;border:1px solid rgba(110,160,210,.22);border-radius:16px;backdrop-filter:blur(12px);box-shadow:0 0 40px #0009,inset 0 0 60px #6ea0d20a,0 0 0 1px #ffffff08;animation:cardFloat 6s ease-in-out infinite}@keyframes cardFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.title-block{margin-bottom:6px}.main-title{font-size:64px;font-weight:300;letter-spacing:14px;color:#eaf4ff;text-shadow:0 0 20px rgba(127,196,255,.25),0 0 60px rgba(60,130,210,.15);animation:titleGlow 4s ease-in-out infinite}@keyframes titleGlow{0%,to{text-shadow:0 0 20px rgba(127,196,255,.25),0 0 60px rgba(60,130,210,.15)}50%{text-shadow:0 0 30px rgba(127,196,255,.4),0 0 80px rgba(60,130,210,.25)}}.sub-title{display:block;font-size:15px;letter-spacing:20px;font-weight:400;color:#6fa8d8;margin-top:8px;animation:subShimmer 5s ease-in-out infinite}.title-block .title-zh,.title-block .title-en{display:none}html[lang^=zh] .title-block .title-zh,html[lang=zh-CN] .title-block .title-zh,html[lang^=en] .title-block .title-en{display:block}@keyframes subShimmer{0%,to{opacity:.7;letter-spacing:20px}50%{opacity:1;letter-spacing:22px}}.start-inner .sub{margin:24px 0 28px;color:#8db4d8;font-size:15px;line-height:1.6}#start-btn{position:relative;overflow:hidden;font-size:18px;padding:16px 56px;background:linear-gradient(180deg,#1d3a5fe6,#122742e6);color:#d8ecff;border:1px solid rgba(58,110,168,.6);border-radius:10px;letter-spacing:6px;font-family:inherit;backdrop-filter:blur(4px);box-shadow:0 0 26px #3a6ea838,inset 0 1px #ffffff0d;transition:all .35s ease;touch-action:manipulation}#start-btn:enabled{cursor:pointer}#start-btn:disabled{cursor:default;color:#d8ecff;background:linear-gradient(180deg,#1d3a5fe6,#122742e6);border-color:#3a6ea899;box-shadow:0 0 26px #3a6ea838,inset 0 1px #ffffff0d}#start-btn:disabled .btn-text{color:#d8ecff}#start-btn:enabled:hover{background:linear-gradient(180deg,#28507ff2,#173356f2);border-color:#5aa0e6cc;box-shadow:0 0 40px #3a6ea866,0 0 80px #3a6ea826;transform:translateY(-2px)}.btn-text{position:relative;z-index:1}.btn-fill{position:absolute;bottom:0;left:0;height:3px;background:linear-gradient(90deg,#4a8fd9,#7fc4ff,#a8e0ff);border-radius:0 0 0 10px;box-shadow:0 0 8px #7fc4ff80;width:0%;transition:width .4s ease-out,opacity .6s ease}#start-btn:enabled .btn-fill{opacity:0}.btn-shimmer{position:absolute;top:0;left:-100%;width:50%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.12),transparent);transform:skew(-20deg);transition:left .6s ease}#start-btn:hover .btn-shimmer{left:150%}.start-inner .hint{margin-top:20px;font-size:13px;color:#5a7a9a}#beian{display:block;margin-top:16px;font-size:12px;color:#44607d;letter-spacing:.5px;text-decoration:none;transition:color .2s ease}#beian:hover{color:#6f97bf}#help{position:fixed;inset:0;z-index:90;background:#02060ce0;display:flex;align-items:center;justify-content:center;overflow-y:auto;padding:20px}.help-inner{max-width:760px;padding:30px 40px;background:#0a1422e6;border:1px solid rgba(110,160,210,.3);border-radius:12px}.help-inner h2{color:#eaf4ff;margin-bottom:16px;font-size:22px}.help-inner h3{color:#8fc6f0;margin:12px 0 6px;font-size:15px}.help-cols{display:flex;gap:40px}.help-inner table{border-collapse:collapse;font-size:13px}.help-inner td{padding:2px 14px 2px 0;color:#b8d4ec}.help-inner td:first-child{color:#ffe9b0;white-space:nowrap}.credit{margin-top:18px;font-size:11px;color:#5a7a9a;line-height:1.7}#immersion{position:fixed;inset:0;pointer-events:none;opacity:0;z-index:8}#tc-root{display:none;position:fixed;inset:0;z-index:30;pointer-events:none;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}.touch #tc-root{display:block}.tc-btn{pointer-events:auto;touch-action:manipulation;border:none;cursor:pointer;font-family:inherit;-webkit-tap-highlight-color:transparent}#tc-top-bar{position:absolute;top:8px;left:8px;display:flex;flex-direction:column;gap:4px;pointer-events:none}#tc-menu-btn{width:42px;height:42px;border-radius:10px;background:#08101cbf;border:1px solid rgba(110,160,210,.35);color:#cfe3f5;font-size:18px;backdrop-filter:blur(6px);pointer-events:auto}#tc-time-panel[hidden]{display:none!important}#tc-time-panel{display:flex;flex-direction:column;gap:4px;background:#08101ce0;border:1px solid rgba(110,160,210,.3);border-radius:10px;padding:8px;backdrop-filter:blur(8px);pointer-events:auto;min-width:160px}#tc-time-panel button{width:100%;text-align:left;padding:8px 12px;border-radius:7px;font-size:13px;color:#cfe3f5;background:transparent}#tc-time-panel button:hover,#tc-time-panel button:active{background:#3c6eaa59}#tc-time-panel .tc-section-label{font-size:11px;color:#5a7a9a;padding:4px 12px 2px}#tc-time-panel .tc-row{display:flex;gap:4px}#tc-time-panel .tc-row button{flex:1;text-align:center;padding:8px 4px}#tc-bottom-bar{position:absolute;bottom:0;left:0;right:0;padding:8px 10px 10px;display:flex;align-items:flex-end;gap:8px;pointer-events:none;padding-bottom:max(10px,env(safe-area-inset-bottom))}#tc-zoom-group{display:flex;flex-direction:column;gap:4px;pointer-events:auto}.tc-zoom-btn{width:44px;height:44px;border-radius:10px;background:#08101cbf;border:1px solid rgba(110,160,210,.3);color:#cfe3f5;font-size:22px;line-height:1;backdrop-filter:blur(6px)}.tc-zoom-btn:active{background:#285082d9}#tc-actions{display:flex;flex-direction:column;gap:4px;pointer-events:auto;flex:1}.tc-action-btn{height:40px;border-radius:9px;padding:0 14px;background:#08101cbf;border:1px solid rgba(110,160,210,.3);color:#cfe3f5;font-size:13px;backdrop-filter:blur(6px);white-space:nowrap}.tc-action-btn:active{background:#285082d9}.tc-action-btn.primary{border-color:#5aa0e680;background:#14325acc;color:#8fd9ff}#tc-drawer-btns{display:flex;flex-direction:column;gap:4px;pointer-events:auto}.tc-drawer-btn{width:44px;height:44px;border-radius:10px;background:#08101cbf;border:1px solid rgba(110,160,210,.3);color:#cfe3f5;font-size:20px;backdrop-filter:blur(6px)}.tc-drawer-btn:active,.tc-drawer-btn.active{background:#285082d9;border-color:#5aa0e680}#tc-joystick-wrap{position:absolute;left:10px;bottom:120px;pointer-events:none}#tc-joystick-wrap:not([hidden]){pointer-events:auto}#tc-joystick-base{width:100px;height:100px;border-radius:50%;background:#08101c8c;border:2px solid rgba(110,160,210,.35);position:relative;touch-action:none;cursor:pointer}#tc-joystick-thumb{position:absolute;top:50%;left:50%;width:42px;height:42px;border-radius:50%;background:#64a0e6b3;border:2px solid rgba(160,210,255,.8);transform:translate(-50%,-50%);transition:transform .05s;pointer-events:none;box-shadow:0 0 12px #64a0e666}#tc-right-btns[hidden]{display:none!important}#tc-right-btns{position:absolute;right:10px;bottom:120px;display:flex;flex-direction:column;gap:6px;pointer-events:auto;align-items:flex-end}#tc-right-btns:not([hidden]){pointer-events:auto}.tc-right-btn{min-width:72px;height:42px;border-radius:10px;padding:0 12px;background:#08101cbf;border:1px solid rgba(110,160,210,.3);color:#cfe3f5;font-size:13px;white-space:nowrap;backdrop-filter:blur(6px)}.tc-right-btn:active{background:#285082d9}.tc-right-btn.held{background:#285082d9;border-color:#5aa0e699}.tc-right-btn.danger{border-color:#ff8c5080;color:#ffc090}@media (pointer: coarse),(max-width: 768px){.key,.touch .key{display:none}#left-col{top:8px;left:8px;width:220px;max-height:calc(100dvh - 160px)}#hud-time{min-width:0;font-size:12px;padding:6px 10px}#hud-time .dim{display:none}#hud-nav{inset:8px 8px auto auto;min-width:0;width:190px;font-size:12px;padding:7px 10px}#hud-nav .dim{display:none}#hud-target{top:auto;right:8px;bottom:120px;width:200px;max-height:45dvh;font-size:12px;padding:8px 10px;overflow-y:auto;display:none}#hud-target.tc-open{display:block}#hud-tip{bottom:115px;font-size:12px;padding:5px 12px;max-width:75vw;white-space:normal;text-align:center}#directory{top:100px;width:220px;max-height:60dvh}#dir-body{max-height:50dvh}.help-inner{padding:20px 16px;max-width:100%;max-height:90dvh;overflow-y:auto}.help-cols{flex-direction:column;gap:12px}.help-inner table{font-size:12px}.help-inner td{padding:3px 8px 3px 0}.help-inner h2{font-size:17px}.help-inner h3{font-size:13px}.start-inner{padding:32px 24px;max-width:min(360px,92vw);max-height:90dvh;overflow-y:auto;animation:none}.main-title{font-size:clamp(28px,8vw,48px);letter-spacing:clamp(4px,2vw,10px);animation:none}.sub-title{font-size:12px;letter-spacing:10px;animation:none}.start-inner .sub{font-size:13px;margin:16px 0 20px}#start-btn{font-size:15px;padding:14px 32px;letter-spacing:3px}.body-label{font-size:13px;padding:4px 8px}#crosshair{display:none}}@media (pointer: coarse) and (max-width: 430px){#left-col{width:180px}#hud-target{width:170px}}html.touch,html.touch body{touch-action:none}html.touch #dir-body,html.touch .help-inner{touch-action:pan-y}.touch #left-col{display:none!important}#tc-backdrop{display:none;position:fixed;inset:0;z-index:28;background:#00000080;pointer-events:auto;-webkit-tap-highlight-color:transparent}#tc-backdrop.visible{display:block}.touch #tc-backdrop{background:transparent}.touch #tc-top-bar{display:none}#tc-time-widget{position:absolute;top:8px;right:8px;z-index:34;pointer-events:auto;display:flex;flex-direction:column;align-items:stretch;width:172px;gap:0}#tc-time-btn{display:flex;align-items:center;justify-content:space-between;width:100%;background:#08101cd1;border:1px solid rgba(110,160,210,.3);border-radius:8px;padding:5px 10px;color:#e8f4ff;font-size:12px;font-variant-numeric:tabular-nums;white-space:nowrap;backdrop-filter:blur(6px);pointer-events:auto;cursor:pointer}#tc-time-btn:hover{background:#142d50eb;border-color:#6eb4e680}#tc-time-btn:active{background:#1e3c78f2}#tc-time-chevron{font-size:15px;color:#8fd9ff;margin-left:6px;flex-shrink:0;line-height:1}#tc-time-panel{width:100%;max-height:calc(100dvh - 120px);overflow-y:auto;margin-top:4px;border-radius:10px}.touch #directory{position:fixed;inset:auto 0 0;height:62dvh;width:100%!important;max-height:62dvh;z-index:33;border-radius:18px 18px 0 0;border-left:none;border-right:none;border-bottom:none;transform:translateY(110%);transition:transform .28s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}.touch #directory.open{transform:translateY(0)}.touch #dir-head{border-radius:18px 18px 0 0;text-align:center;padding-top:12px;cursor:default;position:relative}.touch #dir-head:before{content:"";display:block;width:36px;height:4px;background:#6ea0d259;border-radius:2px;margin:0 auto 8px}.touch #dir-body{display:flex!important;flex-direction:column;flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;max-height:none}.touch #hud-nav{position:fixed;inset:8px auto auto 8px;max-width:calc(100vw - 190px);max-height:64px;overflow:hidden;font-size:10px;padding:4px 10px;line-height:1.35;border-radius:10px;min-width:0;white-space:normal}.touch #hud-nav .big,.touch #hud-nav .tname{font-size:11px}.touch #hud-nav .dim,.touch #hud-nav .warn,.touch #hud-nav br+*{display:none}.touch #hud-target{position:fixed;inset:60px 0 auto auto;width:min(220px,55vw);max-height:calc(100dvh - 130px);overflow-y:auto;touch-action:pan-y;display:block!important;transform:translate(105%);transition:transform .25s cubic-bezier(.4,0,.2,1);border-radius:12px 0 0 12px;z-index:33;font-size:11px;padding:8px 10px}.touch #hud-target.tc-open{transform:translate(0)}.touch #tc-bottom-bar{padding:0 8px;padding-bottom:max(6px,env(safe-area-inset-bottom));height:calc(54px + max(6px,env(safe-area-inset-bottom)));background:#060c16eb;backdrop-filter:blur(16px);border-top:1px solid rgba(110,160,210,.15);align-items:center;gap:5px}.touch #tc-zoom-group{flex-direction:row;gap:4px}.touch .tc-zoom-btn{width:36px;height:36px;font-size:18px;border-radius:9px}.touch #tc-actions{flex-direction:row;flex-wrap:nowrap;align-items:stretch;gap:4px}.touch .tc-action-btn{flex:1;min-width:0;height:36px;font-size:12px;padding:0 5px;border-radius:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.touch .tc-action-btn.primary{flex:1.3}.touch #tc-drawer-btns{flex-direction:row;gap:4px}.touch .tc-drawer-btn,.touch #tc-menu-btn{width:36px;height:36px;font-size:16px;border-radius:9px}.touch #tc-joystick-wrap,.touch #tc-right-btns{bottom:calc(62px + max(6px,env(safe-area-inset-bottom)))}.touch .tc-right-btn{min-width:64px;height:38px;font-size:12px;padding:0 10px;border-radius:9px}.touch #hud-tip{bottom:calc(70px + max(6px,env(safe-area-inset-bottom)));font-size:12px;padding:5px 14px;max-width:80vw;white-space:normal;text-align:center}.touch .body-label{font-size:13px;padding:4px 8px;min-height:26px}.touch #help{background:transparent}.touch #tc-menu{min-width:160px;max-width:220px}