:root{color-scheme:dark;--bg:#101113;--panel:#191a1d;--ink:#f0ece5;--soft:#b7b4ad;--muted:#92918b;--gold:#d0af79;--line:#ffffff15;--font:'Malgun Gothic','Apple SD Gothic Neo',system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.8 var(--font)}a{color:inherit;text-decoration:none}button,input,select{font:inherit;color:inherit}button{cursor:pointer}button,a,input,summary,select{outline-offset:5px}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible,select:focus-visible{outline:2px solid var(--gold)}[hidden]{display:none!important}img,video{max-width:100%;display:block}button{touch-action:manipulation}button:disabled{opacity:.3;cursor:default}.skip{position:absolute;left:260px;top:-60px;background:var(--panel);padding:8px 15px;z-index:40}.skip:focus{top:8px}
.sidebar{width:252px;position:fixed;inset:0 auto 0 0;border-right:1px solid var(--line);background:#121315;display:flex;flex-direction:column;padding:30px 22px;z-index:10;overflow-y:auto}.brand{display:flex;gap:12px;align-items:center}.mark{font-size:39px;line-height:1;color:var(--gold)}.brand strong{font:18px Georgia,serif;letter-spacing:.09em}.brand small{display:block;font-size:8px;letter-spacing:.13em;color:var(--muted);margin-top:7px}.home-link{font-size:12px;color:var(--gold);margin:32px 0 18px;display:flex;justify-content:space-between}.search{display:flex;align-items:center;gap:8px;background:#ffffff04;border:1px solid var(--line);padding:7px 12px;border-radius:7px;margin-bottom:14px}.search>span{color:var(--gold);font-size:22px}.search input{width:100%;min-width:0;border:0;background:none;font-size:12px;outline-offset:2px}.nav-group{font-size:9px;color:var(--muted);letter-spacing:.12em;margin:19px 8px 6px}.nav-link{display:flex;align-items:center;gap:9px;padding:9px 9px;border-radius:7px;font-size:12px;color:var(--soft);line-height:1.45;min-height:37px}.nav-link span{color:#81796a;font-size:10px;min-width:15px}.nav-link:hover{background:#ffffff06}.nav-link[aria-current=page]{background:#d0af7910;color:#e6c58c;border:1px solid #d0af791c}.nav-empty{font-size:12px;color:var(--muted)}.side-bottom{margin-top:auto;padding-top:32px;font-size:10px;color:var(--gold)}.side-bottom small{display:block;color:var(--muted);line-height:1.8;margin-top:6px;font-size:10px}
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.article-head{max-width:930px;padding:17px 0 30px}.article-head h1{font-size:32px;line-height:1.55;letter-spacing:-.045em;font-weight:600;margin:13px 0 16px}.lead{max-width:830px;font-size:15px;color:#c6c2bb;line-height:1.95;margin:0}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);margin-top:26px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.stat{padding:19px 15px 17px 0}.stat+.stat{border-left:1px solid var(--line);padding-left:23px}.stat strong{display:block;color:#e3c594;font-size:21px;letter-spacing:-.03em;font-weight:500;line-height:1.6}.stat small{color:var(--muted);font-size:11px}.feature-image{margin:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#191a1d}.feature-image img{display:block;width:100%;height:auto;object-fit:contain;background:#17181a}.feature-image figcaption{padding:13px 20px;font-size:10px;color:var(--muted);line-height:1.8}.article-copy{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(220px,1fr);gap:32px;margin:34px 0}.explain h2,.section-title{font-size:19px;line-height:1.65;font-weight:500;margin:0 0 12px}.explain p{color:var(--soft);font-size:13px;line-height:2.05;margin:0}.explain section+section{margin-top:28px}.key-points{background:#d0af7907;border:1px solid #d0af7922;padding:24px;border-radius:10px;align-self:start;position:sticky;top:25px}.key-points small{color:var(--gold);font-size:9px;letter-spacing:.14em}.key-points h2{font-size:15px;font-weight:500;margin:9px 0 12px}.key-points ol{margin:0;padding-left:17px;color:#c8bda9;font-size:12px;line-height:1.95}.key-points li+li{margin-top:12px}.flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;list-style:none;margin:18px 0 32px;padding:0;counter-reset:stage}.flow li{counter-increment:stage;border:1px solid var(--line);background:var(--panel);border-radius:9px;padding:20px;position:relative}.flow li:before{content:counter(stage,decimal-leading-zero);color:var(--gold);font:22px Georgia,serif;display:block;margin-bottom:10px}.flow strong{font-size:13px;font-weight:500}.flow p{font-size:12px;line-height:1.9;color:var(--soft);margin:9px 0 0}.media-section{margin:35px 0}.video-shell{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#151619}.video-shell video{width:100%;max-height:600px;background:#0b0c0e}.media-caption{font-size:11px;color:var(--muted);line-height:1.8;margin:11px 0 0}.media-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:18px 0 32px}.media-card{background:var(--panel);border:1px solid var(--line);border-radius:9px;overflow:hidden;margin:0}.media-card img{width:100%;aspect-ratio:16/9;object-fit:contain;background:#121315}.media-card figcaption{padding:16px;font-size:11px;color:var(--soft)}.media-card strong{display:block;font-size:13px;font-weight:500;color:var(--ink);margin-bottom:4px}
.panel{border:1px solid var(--line);border-radius:12px;padding:26px;background:#141517;margin:35px 0}.panel-header{display:flex;align-items:start;justify-content:space-between;gap:20px}.panel-header h2{margin:0;font-weight:500;font-size:20px;line-height:1.65}.panel-header p{color:var(--muted);font-size:11px;margin:8px 0 0}.pills{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.pills button{border:1px solid var(--line);border-radius:6px;background:#ffffff03;padding:7px 12px;color:var(--soft);font-size:11px}.pills button[aria-pressed=true]{border-color:#d0af7955;background:#d0af7910;color:#e1c38f}.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.map-card{border:1px solid var(--line);padding:0;background:var(--panel);border-radius:9px;text-align:left;overflow:hidden}.map-card:hover{border-color:#d0af7955}.map-card img{width:100%;aspect-ratio:16/9;object-fit:cover}.map-info{display:block;padding:13px 14px}.map-info strong{font-size:12px;font-weight:500;display:flex;justify-content:space-between;gap:6px}.map-info strong span{color:var(--gold);font-size:10px}.map-info small{display:block;color:var(--muted);font-size:10px;margin-top:5px}.gallery-count{font-size:10px;color:var(--muted)}.platform-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:20px}.platform-buttons button{padding:10px;background:var(--panel);border:1px solid var(--line);border-radius:6px;text-align:left;color:var(--soft);font-size:11px}.platform-buttons button[aria-pressed=true]{border-color:#d0af7955;color:#e1c38f;background:#d0af790e}.platform-buttons small{display:block;font-size:9px;color:var(--muted);margin-top:4px}.cave-controls{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin:20px 0;font-size:11px;color:var(--soft)}.cave-controls select{max-width:390px;border:1px solid var(--line);border-radius:6px;background:var(--panel);padding:8px 12px;min-width:0}.point-count{color:var(--gold)}.point-preview{position:relative;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#101114}.point-preview img{width:100%;height:auto}.point-preview canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.legend{display:flex;gap:18px;font-size:10px;color:var(--muted);margin-top:12px;align-items:center;flex-wrap:wrap}.legend i{display:inline-block;width:6px;height:6px;background:#e0bf85;border-radius:50%;margin-right:6px}.legend .reject i{background:#84949c}.platform-oblique{margin-top:18px;border-radius:8px;width:100%;max-height:430px;object-fit:contain;background:#101114}
.related{display:flex;gap:9px;flex-wrap:wrap;margin:15px 0 30px}.related a{border:1px solid #d0af7925;background:#d0af7908;color:#d9bd8e;padding:9px 14px;border-radius:7px;font-size:11px}.related a:hover{border-color:#d0af7960}.source-notes{border:1px solid var(--line);border-radius:9px;margin:30px 0 0;padding:16px 21px;color:var(--muted);font-size:11px}.source-notes summary{cursor:pointer;color:#bab5ab}.source-notes p{font-size:11px;line-height:1.9}.source-list{list-style:none;padding:0;margin:15px 0}.source-list li+li{margin-top:13px}.source-list a{color:#d1bd9d}.source-list code{display:block;font-size:10px;overflow-wrap:anywhere;margin-top:3px;color:#827e75}.article-next{display:flex;justify-content:space-between;gap:14px;border-top:1px solid var(--line);padding-top:25px;margin-top:32px}.article-next a{font-size:12px;color:var(--gold)}footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin:44px 0 0;padding:24px 0;font:11px Georgia,serif;color:#a79a82;gap:12px}footer span,footer a{font:10px var(--font);color:var(--muted)}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.performance-comparison{border:1px solid #d0af7930;border-radius:12px;background:#d0af7906;padding:24px 26px;margin:0 0 28px;max-width:930px}.performance-comparison header{display:flex;justify-content:space-between;gap:20px;align-items:baseline}.performance-comparison h2{font-size:19px;margin:0;font-weight:500}.performance-comparison header strong{color:#e8cc98;font-size:20px;font-weight:500;white-space:nowrap}.performance-comparison>p{font-size:11px;color:var(--muted);margin:8px 0 23px}.comparison-row{display:grid;grid-template-columns:62px minmax(0,1fr) 90px;gap:15px;align-items:center;font-size:12px}.comparison-row+.comparison-row{margin-top:16px}.comparison-row>div{height:14px;background:#ffffff05;border-radius:4px;overflow:hidden}.comparison-row i{display:block;height:100%;background:#6e716a;border-radius:4px}.comparison-row.after i{background:#d0af79}.comparison-row b{font-weight:500;text-align:right}.comparison-row.after b{color:#e8cc98}@media(max-width:480px){.performance-comparison{padding:19px 15px}.performance-comparison h2{font-size:15px}.performance-comparison header strong{font-size:16px}.comparison-row{grid-template-columns:48px minmax(0,1fr) 73px;gap:8px;font-size:11px}}

#article{max-width:1200px}

.source-list button{margin-left:12px;padding:5px 10px;min-height:32px;border:1px solid #d0af7945;border-radius:5px;background:#d0af7912;color:var(--gold);font-size:11px}.source-list button:hover{background:#d0af7925}.source-list code{color:#aaa69e;font-size:11px}.source-updated{display:block;color:#cfbd9d;margin-top:5px;font-size:11px}.source-copy-fallback{display:block;width:100%;margin-top:8px;padding:8px;background:var(--panel);color:var(--ink);border:1px solid var(--gold)}#source-status:empty{display:none}