:root{
  color-scheme:dark;
  --bg:#010307;
  --ink:#f3f5f6;
  --muted:rgba(224,232,238,.62);
  --dim:rgba(210,222,230,.35);
  --line:rgba(224,234,240,.14);
  --line-strong:rgba(233,240,245,.28);
  --panel:rgba(5,9,14,.76);
  --serif:"Songti SC","STSong","Noto Serif CJK SC",serif;
  --sans:"SF Pro Display","Inter","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"SFMono-Regular","JetBrains Mono","Consolas",monospace;
  --surface-top:rgb(8 30 55);
  --surface-horizon:rgb(142 190 211);
  --surface-fog:rgb(108 151 164);
  --surface-sun:rgb(255 220 168);
}
*{box-sizing:border-box}
html,body{width:100%;height:100%;margin:0;overflow:hidden;background:var(--bg);color:var(--ink);font-family:var(--sans)}
body{isolation:isolate}
button,input{font:inherit;color:inherit}
button{appearance:none}
a{color:inherit}
#universeCanvas{position:fixed;inset:0;z-index:1;width:100%;height:100%;display:block;cursor:grab;touch-action:none;background:#010307}
#universeCanvas.dragging{cursor:grabbing}
.cosmic-nebula{position:fixed;inset:-15%;z-index:0;pointer-events:none;background:radial-gradient(ellipse at 48% 44%,rgba(76,110,139,.075),transparent 34%),radial-gradient(ellipse at 70% 26%,rgba(79,52,105,.055),transparent 25%),linear-gradient(118deg,transparent 24%,rgba(86,111,137,.028) 46%,transparent 66%);mix-blend-mode:screen;transition:opacity 1.2s}
.surface-sky{position:fixed;inset:0;z-index:0;pointer-events:none;background:linear-gradient(180deg,var(--surface-top) 0%,color-mix(in srgb,var(--surface-top),var(--surface-horizon) 40%) 42%,var(--surface-horizon) 77%,var(--surface-fog) 100%);opacity:0;transition:opacity 1.2s}
body.surface-mode .surface-sky{opacity:1}
.surface-sky::before{content:"";position:absolute;right:17%;top:12%;width:clamp(54px,7vw,104px);aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,var(--surface-sun) 0 13%,color-mix(in srgb,var(--surface-sun),transparent 36%) 28%,transparent 70%);filter:blur(.2px);opacity:.86}
.surface-sky::after{content:"";position:absolute;left:-10%;right:-10%;bottom:12%;height:28%;background:linear-gradient(180deg,transparent,rgba(255,255,255,.07));filter:blur(24px)}
body.surface-mode .cosmic-nebula{opacity:0}
.atmosphere-veil{position:fixed;inset:-18%;z-index:65;pointer-events:none;opacity:0;visibility:hidden;transition:opacity .18s;overflow:hidden;background:radial-gradient(ellipse at 50% 68%,rgba(255,255,255,.72),rgba(150,196,218,.44) 30%,rgba(30,65,96,.18) 57%,transparent 74%)}
.atmosphere-veil.active{visibility:visible}
.atmosphere-veil i{position:absolute;width:70vw;height:28vw;border-radius:50%;filter:blur(45px);background:rgba(240,247,250,.33);animation:cloud-drift 7s linear infinite}
.atmosphere-veil i:nth-child(1){left:-12%;top:36%;transform:rotate(9deg)}
.atmosphere-veil i:nth-child(2){right:-20%;top:50%;animation-duration:9s;animation-direction:reverse}
.atmosphere-veil i:nth-child(3){left:24%;top:64%;width:46vw;height:17vw;animation-duration:5.6s}
@keyframes cloud-drift{50%{transform:translate3d(7vw,-2vh,0) rotate(4deg)}}
.film-grain{position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.065;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.45'/%3E%3C/svg%3E");mix-blend-mode:soft-light}

.hud-top{position:fixed;z-index:20;left:0;right:0;top:0;height:76px;display:grid;grid-template-columns:220px minmax(280px,470px) 220px;align-items:center;gap:24px;padding:0 26px;pointer-events:none;background:linear-gradient(180deg,rgba(0,2,5,.54),transparent);transition:opacity .5s,transform .5s}
.hud-top>*{pointer-events:auto}
.identity{display:inline-flex;align-items:center;gap:11px;width:max-content;text-decoration:none}
.identity-mark{display:grid;place-items:center;width:35px;height:35px;border:1px solid var(--line-strong);border-radius:50%;font-family:var(--serif);font-size:15px;background:rgba(3,6,10,.34);backdrop-filter:blur(12px)}
.identity strong,.identity small{display:block}.identity strong{font-family:var(--serif);font-size:14px;font-weight:500;letter-spacing:.14em}.identity small{margin-top:4px;color:var(--dim);font:7px var(--mono);letter-spacing:.16em}
.search{position:relative;justify-self:center;width:100%;height:40px;display:grid;grid-template-columns:18px 1fr auto;align-items:center;gap:8px;padding:0 13px;border:1px solid var(--line);border-radius:999px;background:rgba(3,7,11,.44);backdrop-filter:blur(18px);transition:border-color .2s,background .2s}
.search:focus-within{border-color:var(--line-strong);background:rgba(4,8,13,.74)}
.search svg{width:15px;fill:none;stroke:var(--muted);stroke-width:1.5}
.search input{min-width:0;border:0;outline:0;background:none;font-size:10px;letter-spacing:.02em}.search input::placeholder{color:var(--dim)}
.search kbd{padding:2px 6px;border:1px solid var(--line);border-radius:5px;color:var(--dim);font:7px var(--mono)}
.search-results{position:absolute;left:0;right:0;top:48px;padding:6px;border:1px solid var(--line);border-radius:13px;background:rgba(4,8,13,.94);box-shadow:0 25px 70px rgba(0,0,0,.45);backdrop-filter:blur(22px);opacity:0;visibility:hidden;transform:translateY(-6px);transition:.2s;overflow:hidden}
.search-results.open{opacity:1;visibility:visible;transform:none}
.search-item{width:100%;display:grid;grid-template-columns:27px 1fr auto;align-items:center;gap:9px;padding:10px;border:0;border-radius:9px;background:none;text-align:left;cursor:pointer}.search-item:hover,.search-item.active{background:rgba(255,255,255,.05)}
.search-orb{width:20px;height:20px;border-radius:50%;background:radial-gradient(circle at 33% 27%,#fff,var(--orb) 27%,color-mix(in srgb,var(--orb),#000 68%) 80%);box-shadow:0 0 13px color-mix(in srgb,var(--orb),transparent 65%)}
.search-item strong,.search-item small{display:block}.search-item strong{font-size:10px;font-weight:550}.search-item small{margin-top:3px;color:var(--dim);font:7px var(--mono)}.search-item code{color:var(--dim);font:7px var(--mono)}
.search-empty{padding:18px;color:var(--dim);font-size:9px;line-height:1.7;text-align:center}
.hud-actions{justify-self:end;display:flex;gap:7px}.icon-button{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;background:rgba(3,7,11,.42);backdrop-filter:blur(15px);cursor:pointer;transition:.2s}.icon-button:hover{border-color:var(--line-strong);background:rgba(255,255,255,.055)}.icon-button svg{width:14px;fill:none;stroke:currentColor;stroke-width:1.45;stroke-linecap:round;stroke-linejoin:round}

.world-labels{position:fixed;inset:0;z-index:8;pointer-events:none}.world-marker{position:absolute;display:grid;gap:4px;text-align:center;opacity:0;transform:translate(-50%,12px);transition:opacity .25s}.world-marker.visible{opacity:1}.world-marker strong{font-family:var(--serif);font-size:12px;font-weight:500;letter-spacing:.08em;text-shadow:0 2px 9px #000}.world-marker small{color:var(--dim);font:7px var(--mono);letter-spacing:.08em}
.hover-label{position:fixed;z-index:18;min-width:130px;padding:9px 11px;border-left:1px solid rgba(255,255,255,.55);background:linear-gradient(90deg,rgba(2,5,9,.82),transparent);pointer-events:none;opacity:0;transform:translate(15px,12px);transition:opacity .15s}.hover-label.show{opacity:1}.hover-label strong,.hover-label small{display:block}.hover-label strong{font-family:var(--serif);font-size:12px;font-weight:500}.hover-label small{margin-top:4px;color:var(--dim);font:7px var(--mono)}

.flight-readout{position:fixed;z-index:12;left:28px;bottom:27px;display:grid;grid-template-columns:1px auto auto;align-items:end;gap:15px;pointer-events:none;transition:opacity .45s,transform .45s}.readout-line{width:1px;height:48px;background:linear-gradient(180deg,transparent,rgba(255,255,255,.5))}.flight-readout small,.flight-readout strong{display:block}.flight-readout small{color:var(--dim);font:7px var(--mono);letter-spacing:.18em}.flight-readout strong{margin-top:5px;font-family:var(--serif);font-size:15px;font-weight:500;letter-spacing:.06em}.flight-readout dl{display:flex;gap:19px;margin:0 0 1px 18px}.flight-readout dl div{display:grid;gap:3px}.flight-readout dt{color:var(--dim);font-size:7px}.flight-readout dd{margin:0;color:var(--muted);font:8px var(--mono)}

.relation-legend{position:fixed;z-index:12;right:28px;bottom:28px;display:flex;gap:20px;color:var(--dim);font-size:8px;transition:opacity .4s}.relation-legend span{display:flex;align-items:center;gap:8px}.relation-legend i{display:block;width:28px;height:1px;background:rgba(220,157,167,.72)}.relation-legend i.dashed{background:repeating-linear-gradient(90deg,rgba(128,199,180,.75) 0 5px,transparent 5px 9px)}
.control-hint{position:fixed;z-index:12;left:50%;bottom:25px;display:flex;align-items:center;gap:10px;transform:translateX(-50%);color:var(--dim);font-size:8px;pointer-events:none;transition:opacity .6s}.control-hint p{margin:0}.control-hint strong{color:var(--muted);font-weight:500}.mouse{width:18px;height:25px;border:1px solid var(--line-strong);border-radius:10px;position:relative}.mouse i{position:absolute;left:7px;top:5px;width:2px;height:5px;border-radius:2px;background:var(--muted);animation:wheel 1.8s infinite}@keyframes wheel{50%{transform:translateY(5px);opacity:.25}}

.landing-status{position:fixed;z-index:75;left:50%;bottom:9vh;width:min(440px,calc(100vw - 40px));transform:translate(-50%,24px);opacity:0;visibility:hidden;transition:opacity .35s,transform .45s;pointer-events:none}.landing-status.open{opacity:1;visibility:visible;transform:translate(-50%,0)}
.landing-title{display:flex;align-items:end;justify-content:space-between}.landing-title small{color:rgba(255,255,255,.52);font:7px var(--mono);letter-spacing:.2em}.landing-title strong{font-family:var(--serif);font-size:14px;font-weight:500;letter-spacing:.1em}.landing-track{height:1px;margin:12px 0 9px;background:rgba(255,255,255,.2);overflow:hidden}.landing-track span{display:block;width:0;height:100%;background:#fff;box-shadow:0 0 12px #fff}.landing-status p{margin:0;color:rgba(255,255,255,.54);font-size:8px;letter-spacing:.05em}

.archive{position:fixed;z-index:40;right:18px;top:18px;bottom:18px;width:min(650px,47vw);display:grid;grid-template-rows:auto 1fr auto;border:1px solid rgba(235,241,244,.18);background:linear-gradient(135deg,rgba(8,12,15,.83),rgba(5,8,11,.71));box-shadow:0 35px 120px rgba(0,0,0,.43);backdrop-filter:blur(30px) saturate(1.08);opacity:0;visibility:hidden;transform:translateX(42px);transition:opacity .5s,transform .65s cubic-bezier(.18,.78,.2,1),width .45s;overflow:hidden}
.archive.open{opacity:1;visibility:visible;transform:none}.archive.minimized{opacity:0;visibility:hidden;transform:translateX(35px)}
.archive-head{display:flex;justify-content:space-between;gap:20px;padding:28px 29px 22px;border-bottom:1px solid var(--line)}.archive-head p{margin:0;color:var(--dim);font:7px var(--mono);letter-spacing:.2em}.archive-head h1{margin:8px 0 5px;font-family:var(--serif);font-size:36px;font-weight:500;line-height:1;letter-spacing:-.025em}.archive-head span{color:var(--muted);font:7px var(--mono);letter-spacing:.08em}.archive-controls{display:flex;align-items:start;gap:4px}.archive-controls button{width:29px;height:29px;border:0;background:none;color:var(--muted);font-size:18px;cursor:pointer}.archive-controls button:hover{color:#fff}
.archive-body{min-height:0;display:grid;grid-template-columns:122px 1fr}.archive-nav{padding:17px 11px;border-right:1px solid var(--line);overflow:auto}.archive-nav button{width:100%;display:grid;grid-template-columns:22px 1fr;align-items:center;gap:8px;padding:10px 8px;border:0;border-radius:6px;background:none;color:var(--dim);text-align:left;font-size:9px;cursor:pointer;transition:.2s}.archive-nav button::before{content:attr(data-index);font:7px var(--mono)}.archive-nav button:hover{color:var(--muted)}.archive-nav button.active{color:#fff;background:rgba(255,255,255,.05)}
.archive-article{padding:31px 38px 42px;overflow:auto;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.14) transparent}.article-kicker{margin:0;color:var(--dim);font:7px var(--mono);letter-spacing:.17em}.archive-article h2{margin:11px 0 22px;font-family:var(--serif);font-size:28px;font-weight:500;line-height:1.22}.article-lead{margin:0 0 24px;padding-left:16px;border-left:1px solid rgba(255,255,255,.32);font-family:var(--serif);font-size:15px;line-height:1.75;color:rgba(246,248,249,.84)}.archive-article p{margin:0 0 17px;color:rgba(224,232,236,.72);font-size:11px;line-height:1.9}.article-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:27px 0;border-top:1px solid var(--line);border-left:1px solid var(--line)}.article-facts div{min-height:66px;padding:13px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.article-facts small,.article-facts strong{display:block}.article-facts small{color:var(--dim);font-size:8px}.article-facts strong{margin-top:8px;font:10px var(--mono);font-weight:500}.article-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}.article-links a{display:inline-flex;align-items:center;gap:8px;padding:9px 13px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-size:9px;transition:.2s}.article-links a:hover{border-color:var(--line-strong);background:rgba(255,255,255,.04)}
.archive-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:17px 25px;border-top:1px solid var(--line);background:rgba(0,0,0,.12)}.archive-foot small,.archive-foot strong{display:block}.archive-foot small{color:var(--dim);font:7px var(--mono);letter-spacing:.13em}.archive-foot strong{margin-top:4px;font-size:9px;font-weight:500}.archive-foot-actions{display:flex;align-items:center;gap:8px}.archive-foot-actions button{min-height:34px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--muted);font-size:9px;cursor:pointer}.archive-foot-actions button:hover{border-color:var(--line-strong);color:#fff}.archive-foot a{display:inline-flex;align-items:center;gap:7px;padding:9px 13px;border-radius:999px;background:rgba(245,248,250,.94);color:#0a1116;text-decoration:none;font-size:9px}.archive-foot a span{font-size:12px}
.archive-tab{position:fixed;z-index:38;right:0;top:50%;display:flex;align-items:center;gap:9px;padding:11px 9px 11px 13px;border:1px solid var(--line);border-right:0;border-radius:10px 0 0 10px;background:rgba(5,9,13,.74);backdrop-filter:blur(18px);opacity:0;visibility:hidden;transform:translateY(-50%) translateX(10px);cursor:pointer;transition:.25s}.archive-tab.open{opacity:1;visibility:visible;transform:translateY(-50%)}.archive-tab span{color:var(--dim);font-size:8px}.archive-tab strong{font-family:var(--serif);font-size:11px;font-weight:500}

.leave-surface{position:fixed;z-index:30;left:26px;top:91px;display:flex;align-items:center;gap:8px;padding:9px 13px;border:1px solid var(--line);border-radius:999px;background:rgba(4,8,12,.5);backdrop-filter:blur(15px);font-size:9px;opacity:0;visibility:hidden;transform:translateY(-8px);cursor:pointer;transition:.3s}.leave-surface.open{opacity:1;visibility:visible;transform:none}.leave-surface span{font-size:13px}

.favorites-panel{position:fixed;z-index:45;right:26px;top:84px;width:min(340px,calc(100vw - 52px));max-height:calc(100vh - 110px);border:1px solid var(--line);background:rgba(5,9,14,.93);backdrop-filter:blur(24px);box-shadow:0 30px 90px rgba(0,0,0,.5);opacity:0;visibility:hidden;transform:translateY(-8px);transition:.25s}.favorites-panel.open{opacity:1;visibility:visible;transform:none}.favorites-panel header{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid var(--line)}.favorites-panel h2{margin:4px 0 0;font-family:var(--serif);font-size:20px;font-weight:500}.favorites-panel header small{color:var(--dim);font:7px var(--mono);letter-spacing:.14em}.favorites-panel header button{border:0;background:none;color:var(--muted);font-size:20px;cursor:pointer}.favorites-list{padding:7px;overflow:auto}.favorite-row{display:grid;grid-template-columns:1fr 30px;align-items:center}.favorite-row .focus{display:grid;grid-template-columns:28px 1fr;align-items:center;gap:8px;width:100%;padding:9px;border:0;border-radius:8px;background:none;text-align:left;cursor:pointer}.favorite-row .focus:hover{background:rgba(255,255,255,.045)}.favorite-row strong,.favorite-row small{display:block}.favorite-row strong{font-size:10px}.favorite-row small{margin-top:2px;color:var(--dim);font:7px var(--mono)}.favorite-row .remove{border:0;background:none;color:var(--dim);cursor:pointer}.favorite-empty{padding:31px 18px;color:var(--dim);font-size:9px;line-height:1.7;text-align:center}
.toast{position:fixed;z-index:95;left:50%;bottom:78px;padding:9px 14px;border:1px solid var(--line);border-radius:999px;background:rgba(5,9,14,.9);font-size:9px;opacity:0;transform:translate(-50%,7px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}
.webgl-fallback,.noscript{position:fixed;z-index:120;inset:0;display:grid;place-content:center;gap:14px;padding:24px;text-align:center;background:#04070b}.webgl-fallback h1{margin:0;font-family:var(--serif);font-size:30px;font-weight:500}.webgl-fallback p{margin:0;color:var(--muted);font-size:11px}.webgl-fallback a{justify-self:center;padding:10px 16px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-size:9px}.webgl-fallback[hidden]{display:none!important}

body.flight-active .hud-top,body.flight-active .flight-readout,body.flight-active .relation-legend,body.flight-active .control-hint{opacity:0;pointer-events:none}
body.surface-mode .relation-legend,body.surface-mode .control-hint{opacity:0}
body.surface-mode .flight-readout{left:26px;bottom:25px}
body.archive-open #universeCanvas{cursor:default}

@media(max-width:900px){
  .hud-top{height:68px;grid-template-columns:auto 1fr auto;padding:0 15px;gap:11px}.identity>span:last-child{display:none}.search{height:38px}.search kbd{display:none}.icon-button{width:34px;height:34px}
  .flight-readout{left:15px;bottom:16px}.flight-readout dl{display:none}.relation-legend{right:15px;bottom:17px}.control-hint{display:none}
  .archive{right:8px;left:8px;top:auto;bottom:8px;width:auto;height:min(72vh,690px)}.archive-head{padding:20px 20px 16px}.archive-head h1{font-size:29px}.archive-body{grid-template-columns:87px 1fr}.archive-nav{padding:12px 7px}.archive-nav button{grid-template-columns:17px 1fr;padding:9px 6px}.archive-article{padding:24px 22px 34px}.archive-article h2{font-size:23px}.article-facts{grid-template-columns:1fr}.archive-foot{padding:13px 16px}.archive-foot>div{max-width:48%}.archive-foot a{padding:8px 11px}.leave-surface{left:15px;top:76px}.archive-tab{top:auto;bottom:18px;right:8px;transform:translateY(10px)}.archive-tab.open{transform:none}
}
@media(max-width:560px){.search{max-width:56vw}.archive{height:77vh}.archive-body{grid-template-columns:75px 1fr}.archive-nav button{font-size:8px}.archive-article{padding:22px 17px 30px}.article-lead{font-size:13px}.archive-foot strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.relation-legend{gap:11px}.relation-legend i{width:20px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* v6 · SpaceEngine-style free flight and seamless wiki continuity */
.wiki-gate{position:fixed;z-index:110;inset:0;overflow:hidden;background:#02050a;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .75s cubic-bezier(.22,.72,.2,1),visibility 0s .75s}
.wiki-gate.active{opacity:1;visibility:visible;pointer-events:auto;transition:none}
.wiki-gate-stars{position:absolute;inset:-15%;background-image:radial-gradient(circle,#fff 0 1px,transparent 1.2px);background-size:56px 56px;opacity:.14;transform:scale(1)}
.wiki-gate-world{position:absolute;left:50%;top:58%;width:69vmax;height:69vmax;border-radius:50%;transform:translate(-50%,-10%) scale(.16);opacity:.2;background:radial-gradient(circle at 37% 28%,rgba(255,255,255,.92),var(--surface-horizon) 16%,var(--surface-top) 50%,#02050a 80%);box-shadow:0 0 12vmax color-mix(in srgb,var(--surface-horizon),transparent 55%)}
.wiki-gate-copy{position:relative;z-index:2;height:100%;display:grid;place-content:center;text-align:center;gap:10px;color:#fff;opacity:0;transform:translateY(12px)}
.wiki-gate-copy small{font:8px var(--mono);letter-spacing:.22em;color:rgba(255,255,255,.56)}
.wiki-gate-copy strong{font-family:var(--serif);font-size:clamp(42px,7vw,86px);font-weight:500;letter-spacing:.04em}
.wiki-gate.run .wiki-gate-world{transform:translate(-50%,-10%) scale(3.25);opacity:1;transition:transform 1.05s cubic-bezier(.2,.76,.18,1),opacity .2s}
.wiki-gate.run .wiki-gate-stars{transform:scale(3.25);opacity:.2;transition:transform 1.05s cubic-bezier(.2,.76,.18,1),opacity .35s}
.wiki-gate.run .wiki-gate-copy{opacity:1;transform:none;transition:opacity .38s .12s,transform .55s .08s}
body.wiki-returning::after{content:"";position:fixed;z-index:109;inset:0;pointer-events:none;background:radial-gradient(circle at 50% 58%,transparent 0 14%,rgba(165,211,232,.28) 28%,#02050a 74%);animation:wiki-return 1.4s cubic-bezier(.22,.72,.2,1) both}
@keyframes wiki-return{0%{opacity:1;transform:scale(1.8)}58%{opacity:.62}100%{opacity:0;transform:scale(.62)}}
body.wiki-departing .archive{opacity:0!important;transform:translateX(40px) scale(.985)!important;transition:opacity .32s,transform .48s!important}
body.wiki-departing .hud-top,body.wiki-departing .flight-readout,body.wiki-departing .leave-surface{opacity:0!important;transition:opacity .3s!important}
body.archive-open .archive{box-shadow:0 38px 140px rgba(0,0,0,.52),0 0 0 1px rgba(255,255,255,.025)}
@media(prefers-reduced-motion:reduce){.wiki-gate.run .wiki-gate-world,.wiki-gate.run .wiki-gate-stars,.wiki-gate.run .wiki-gate-copy{transition-duration:.01ms!important}}

/* v6.1 · interaction tuning, animated target acquisition, mobile free flight */
.target-lock{position:fixed;z-index:34;left:50%;top:50%;width:min(31vmin,230px);aspect-ratio:1;transform:translate(-50%,-50%) scale(.84);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .28s ease,transform .55s cubic-bezier(.2,.82,.2,1),visibility 0s .55s}
.target-lock.active{opacity:1;visibility:visible;transform:translate(-50%,-50%) scale(1);transition-delay:0s}
.target-lock .lock-ring{position:absolute;inset:18%;border:1px solid rgba(238,246,250,.44);border-radius:50%;box-shadow:0 0 26px rgba(174,216,236,.12);animation:target-ring 2.4s linear infinite}
.target-lock .lock-ring::before,.target-lock .lock-ring::after{content:"";position:absolute;inset:-10%;border-radius:50%;border-top:1px solid rgba(255,255,255,.8);border-bottom:1px solid rgba(255,255,255,.2)}
.target-lock .lock-cross{position:absolute;left:50%;top:50%;width:7px;height:7px;transform:translate(-50%,-50%);border:1px solid rgba(255,255,255,.8);border-radius:50%;box-shadow:0 0 15px rgba(255,255,255,.4)}
.target-lock .lock-cross::before,.target-lock .lock-cross::after{content:"";position:absolute;left:50%;top:50%;background:rgba(238,246,250,.34);transform:translate(-50%,-50%)}
.target-lock .lock-cross::before{width:62px;height:1px}.target-lock .lock-cross::after{width:1px;height:62px}
.lock-corner{position:absolute;width:17%;height:17%;border-color:rgba(236,245,249,.67);border-style:solid}.lock-corner.a{left:0;top:0;border-width:1px 0 0 1px}.lock-corner.b{right:0;top:0;border-width:1px 1px 0 0}.lock-corner.c{right:0;bottom:0;border-width:0 1px 1px 0}.lock-corner.d{left:0;bottom:0;border-width:0 0 1px 1px}
.target-lock>div{position:absolute;left:50%;top:calc(100% + 13px);width:max-content;text-align:center;transform:translateX(-50%)}
.target-lock small,.target-lock strong{display:block}.target-lock small{color:rgba(226,238,244,.48);font:7px var(--mono);letter-spacing:.18em}.target-lock strong{margin-top:5px;font-family:var(--serif);font-size:16px;font-weight:500;letter-spacing:.12em}
@keyframes target-ring{to{transform:rotate(360deg)}}

.mobile-flight-controls{display:none;position:fixed;z-index:28;left:0;right:0;bottom:max(15px,env(safe-area-inset-bottom));pointer-events:none;align-items:flex-end;justify-content:space-between;padding:0 17px;transition:opacity .35s,transform .35s}
.mobile-stick-wrap{display:grid;justify-items:center;gap:7px;pointer-events:auto}.mobile-stick-wrap small{font:7px var(--mono);letter-spacing:.15em;color:rgba(229,239,244,.38)}
.mobile-stick{position:relative;width:104px;height:104px;border:1px solid rgba(228,239,245,.17);border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.045),rgba(3,7,11,.28) 62%,rgba(3,7,11,.56));backdrop-filter:blur(11px);touch-action:none;box-shadow:inset 0 0 0 18px rgba(255,255,255,.012)}
.mobile-stick::before,.mobile-stick::after{content:"";position:absolute;left:50%;top:50%;background:rgba(227,239,245,.12);transform:translate(-50%,-50%)}.mobile-stick::before{width:1px;height:62%}.mobile-stick::after{height:1px;width:62%}
.mobile-stick span{position:absolute;inset:31%;border:1px solid rgba(228,239,245,.14);border-radius:50%}.mobile-stick i{position:absolute;left:50%;top:50%;width:38px;height:38px;margin:-19px;border-radius:50%;background:rgba(220,236,245,.13);border:1px solid rgba(236,246,250,.32);box-shadow:0 8px 25px rgba(0,0,0,.28);will-change:transform;transition:background .15s,border-color .15s}.mobile-stick.active i{background:rgba(220,236,245,.22);border-color:rgba(245,250,252,.54)}
.mobile-altitude{display:grid;grid-template-columns:repeat(3,46px);gap:8px;pointer-events:auto}.mobile-altitude button{width:46px;height:46px;border:1px solid rgba(229,239,245,.17);border-radius:50%;background:rgba(3,7,11,.48);backdrop-filter:blur(12px);color:rgba(237,245,248,.65);font-size:10px;touch-action:none}.mobile-altitude button.active{background:rgba(211,231,241,.18);border-color:rgba(244,250,252,.48);color:#fff;transform:scale(.95)}
.mobile-flight-controls>p{position:absolute;left:50%;bottom:4px;margin:0;transform:translateX(-50%);white-space:nowrap;color:rgba(226,237,243,.35);font:7px var(--mono);letter-spacing:.08em}
body.flight-active .mobile-flight-controls,body.surface-mode .mobile-flight-controls,body.archive-open .mobile-flight-controls{opacity:0;pointer-events:none;transform:translateY(10px)}

/* Keep the cross-page mask full viewport at all times. The visual planet can move,
   but the backing layer never scales inside the screen on iOS. */
.wiki-gate{width:100dvw;height:100dvh;min-width:100%;min-height:100%;transform:none!important}
.wiki-gate.returning{opacity:1;visibility:visible;pointer-events:auto;background:#02050a;transition:none}
.wiki-gate.returning .wiki-gate-world{transform:translate(-50%,-10%) scale(3.45);opacity:1}
.wiki-gate.returning .wiki-gate-stars{transform:scale(3.1);opacity:.22}
.wiki-gate.returning .wiki-gate-copy{opacity:1;transform:none}
.wiki-gate.returning.run{opacity:0;transition:opacity 1.45s .08s cubic-bezier(.22,.72,.2,1)}
.wiki-gate.returning.run .wiki-gate-world{transform:translate(-50%,-8%) scale(1.38);transition:transform 1.5s cubic-bezier(.18,.74,.18,1)}
.wiki-gate.returning.run .wiki-gate-stars{transform:scale(1.08);opacity:0;transition:transform 1.45s cubic-bezier(.18,.74,.18,1),opacity 1.1s}
.wiki-gate.returning.run .wiki-gate-copy{opacity:0;transform:translateY(-10px);transition:opacity .5s,transform .65s}
body.wiki-returning::after{display:none!important}

@media(max-width:900px){
  .mobile-flight-controls{display:flex}
  .flight-readout{bottom:145px}
  .relation-legend{bottom:145px}
  .target-lock{width:min(43vmin,210px)}
}
@media(max-width:560px){
  .mobile-stick{width:92px;height:92px}.mobile-stick i{width:34px;height:34px;margin:-17px}
  .mobile-altitude{grid-template-columns:repeat(3,42px);gap:7px}.mobile-altitude button{width:42px;height:42px}
  .flight-readout{bottom:126px}.relation-legend{display:none}
}

/* v7.0 · GSAP is the motion director; CSS only supplies stable rest states. */
.gsap-motion .archive,
.gsap-motion .landing-status,
.gsap-motion .target-lock,
.gsap-motion .wiki-gate,
.gsap-motion .wiki-gate-world,
.gsap-motion .wiki-gate-stars,
.gsap-motion .wiki-gate-copy,
.gsap-motion .hud-top,
.gsap-motion .flight-readout,
.gsap-motion .leave-surface,
.gsap-motion .archive-tab{transition:none!important}
.gsap-motion .archive,.gsap-motion .target-lock,.gsap-motion .wiki-gate-world,.gsap-motion .wiki-gate-stars,.gsap-motion .wiki-gate-copy{will-change:transform,opacity}
.gsap-motion .atmosphere-veil{transition:none!important;will-change:opacity}
.gsap-motion .landing-track span{transition:none!important}
html[data-motion-fallback="true"] .control-hint::after{content:" · 本地缓动模式";color:rgba(255,255,255,.28)}