:root{--ink: #071a24;--deep: #0a2c38;--teal: #087b82;--water: #1aa6b4;--foam: #dff5f1;--paper: #f3f0e7;--paper-2: #e8e5db;--bronze: #c99b52;--text: #152f36;--muted: #697b7d;--line: rgba(16, 55, 61, .16);--serif: "Songti SC", "STSong", "SimSun", serif;--sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased}button,input{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible{outline:3px solid #5fd1d6;outline-offset:3px}.icon{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.site-header{height:76px;padding:0 4.2vw;display:flex;align-items:center;gap:34px;background:#071a24f5;color:#e8f5f2;position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(166,226,222,.13);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.brand{border:0;background:none;color:inherit;display:flex;align-items:center;flex-wrap:nowrap;gap:13px;padding:3px 4px 3px 0;cursor:pointer;min-width:238px;text-align:left;border-radius:6px;isolation:isolate}.brand:focus-visible{outline:2px solid #6ed6d2;outline-offset:5px}.brand-mark-frame{width:46px;height:46px;display:grid;place-items:center;flex:0 0 46px;position:relative}.brand-mark-frame:before{content:"";position:absolute;inset:7px;z-index:-1;border-radius:50%;background:radial-gradient(circle,rgba(45,172,166,.18),transparent 72%);box-shadow:0 0 24px #27aaa51a}.brand-mark{width:46px;height:46px;display:block;object-fit:contain;filter:drop-shadow(0 5px 12px rgba(0,0,0,.24));transform:translateZ(0);transition:transform .28s ease,filter .28s ease}.brand-wordmark{display:grid;gap:3px;min-width:0;padding-left:13px;border-left:1px solid rgba(205,171,102,.28);white-space:nowrap;line-height:1}.brand-wordmark b{display:block;color:#eef8f5;font:700 19px var(--serif);letter-spacing:.17em}.brand-wordmark small{display:block;color:#76a6a4;font:600 7.5px/1 var(--sans);letter-spacing:.17em}.brand:hover .brand-mark{transform:translateY(-1px) scale(1.045);filter:drop-shadow(0 7px 16px rgba(10,193,184,.2))}.brand:hover .brand-wordmark{border-left-color:#dfba6f8c}.main-nav{display:flex;align-items:stretch;align-self:stretch;gap:4px;margin:0 auto}.main-nav button,.search-trigger{border:0;background:none;color:#9db7b7;display:flex;align-items:center;gap:7px;padding:0 16px;cursor:pointer;position:relative;font-size:14px}.main-nav button:after{content:"";position:absolute;height:2px;left:14px;right:14px;bottom:0;background:var(--bronze);transform:scaleX(0);transition:transform .25s ease}.main-nav button:hover,.main-nav button.active,.search-trigger:hover{color:#fff}.main-nav button.active:after{transform:scaleX(1)}.search-trigger{border-left:1px solid rgba(255,255,255,.14);padding-left:24px}.hero{min-height:calc(100vh - 76px);background:var(--ink);color:#eaf7f4;display:grid;grid-template-columns:.86fr 1.14fr;align-items:center;padding:4.5vw 4.2vw 6vw;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(18,128,134,.2),transparent 68%);left:25%;top:-30%}.hero-copy{max-width:720px;z-index:2;padding-left:clamp(0px,4vw,70px)}.eyebrow{margin:0 0 18px;color:#a9c9c7;text-transform:uppercase;letter-spacing:.18em;font-weight:600;font-size:12px;display:flex;align-items:center;gap:10px}.eyebrow>span{display:inline-block;width:28px;height:1px;background:var(--bronze)}.eyebrow.dark{color:#517173}.hero h1{margin:0;font:700 clamp(42px,4.4vw,76px)/1.18 var(--serif);letter-spacing:.02em}.hero h1 em{color:#9fd5d2;display:inline-block;white-space:nowrap;font-style:normal;font-size:clamp(30px,3.3vw,54px)}.lead{max-width:560px;color:#aac0bf;line-height:1.9;font-size:16px;margin:30px 0}.hero-actions{display:flex;gap:12px}.primary-button,.ghost-button{min-height:48px;border:1px solid transparent;padding:0 22px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:14px;transition:.25s ease}.primary-button{background:var(--bronze);color:#112b33;font-weight:700}.primary-button:hover{background:#e0b464;transform:translateY(-2px)}.ghost-button{background:transparent;border-color:#d3ebe84d;color:#dbe9e7}.ghost-button:hover{border-color:#cddfdd}.hero-stats{display:flex;align-items:center;gap:24px;margin-top:44px;color:#749495;font-size:12px}.hero-stats span{display:flex;align-items:baseline;gap:7px}.hero-stats b{color:#dceae7;font:600 25px var(--serif)}.hero-stats i{height:28px;width:1px;background:#ffffff21}.hero-visual{height:min(67vh,650px);min-height:460px;position:relative;z-index:2}.three-stage{position:absolute;inset:0;overflow:hidden}.three-stage canvas{display:block;width:100%;height:100%}.hero-stage{clip-path:polygon(4% 7%,94% 0,100% 88%,11% 100%);background:#092430}.scene-caption{position:absolute;left:3%;top:10%;background:#051821b8;border:1px solid rgba(158,221,217,.23);padding:12px 16px;display:flex;align-items:center;gap:8px;color:#9eb9b8;font-size:12px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.scene-caption b{color:#fff;margin-left:10px}.pulse{width:7px;height:7px;border-radius:50%;background:#5de0c7;box-shadow:0 0 0 6px #5de0c71f;display:inline-block;animation:pulse 1.8s infinite}@keyframes pulse{50%{box-shadow:0 0 0 10px #5de0c700}}.water-level-card{position:absolute;right:1%;bottom:8%;width:155px;padding:16px;background:#e2f0ebed;color:var(--text);box-shadow:0 16px 50px #0000003d}.water-level-card small{display:block;color:#617679}.water-level-card b{font:700 32px var(--serif)}.water-level-card sup{font:12px var(--sans)}.water-level-card>span{display:block;height:3px;background:#b6cac7;margin-top:10px}.water-level-card i{display:block;height:100%;background:var(--teal)}.drag-tip{position:absolute;left:13%;bottom:4%;color:#aac4c2;font-size:11px;letter-spacing:.12em}.hero-waterline{position:absolute;height:100px;left:0;right:0;bottom:-60px;opacity:.12;background:repeating-radial-gradient(ellipse at 50% 100%,transparent 0 25px,#65d3d5 26px 27px,transparent 28px 52px)}.hero{isolation:isolate;background:radial-gradient(circle at 78% 38%,rgba(31,148,154,.2),transparent 30%),radial-gradient(circle at 28% 18%,rgba(209,170,97,.08),transparent 28%),linear-gradient(128deg,#061923,#071f2a 45%,#061821)}.hero:before{left:31%;top:-45%;width:760px;height:760px;background:radial-gradient(circle,rgba(39,182,181,.23),rgba(13,76,85,.08) 38%,transparent 69%);filter:blur(12px);animation:heroAura 8s ease-in-out infinite alternate}.hero:after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(rgba(111,204,199,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(111,204,199,.035) 1px,transparent 1px);background-size:72px 72px;-webkit-mask-image:linear-gradient(90deg,transparent 2%,#000 42%,#000 100%);mask-image:linear-gradient(90deg,transparent 2%,#000 42%,#000 100%)}@keyframes heroAura{to{transform:translate3d(7%,8%,0) scale(1.08);opacity:.72}}.hero-copy{position:relative}.hero-edition{display:flex;align-items:center;gap:9px;width:max-content;margin-bottom:24px;padding:6px 8px;border:1px solid rgba(103,205,199,.2);background:#04192194;color:#769e9c;font-size:8px;letter-spacing:.12em}.hero-edition span{color:#e1bb71}.hero-edition b{font-weight:600;color:#a8c5c2}.hero-edition em{font-style:normal;color:#68d6c9;display:flex;align-items:center;gap:5px}.hero-edition em:before{content:"";width:5px;height:5px;border-radius:50%;background:#5de0c7;box-shadow:0 0 10px #5de0c7}.hero h1{text-shadow:0 12px 38px rgba(0,0,0,.34)}.hero h1 em{background:linear-gradient(100deg,#83c6c3,#d6f1ec 48%,#8bc8c6);background-size:180% auto;background-clip:text;-webkit-background-clip:text;color:transparent;animation:heroTitleShimmer 7s linear infinite}@keyframes heroTitleShimmer{to{background-position:180% center}}.hero .primary-button{box-shadow:0 12px 35px #ca9f542e}.hero .ghost-button{background:#051d266b;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.hero-proof{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:20px;color:#789c9a;font-size:9px;letter-spacing:.04em}.hero-proof span{display:flex;align-items:center;gap:7px}.hero-proof i{width:4px;height:4px;border-radius:50%;background:#4fd8c8;box-shadow:0 0 9px #4fd8c8cc}.hero-visual{height:min(72vh,720px);min-height:520px;filter:drop-shadow(0 26px 40px rgba(0,0,0,.34))}.hero-model-frame{position:absolute;inset:0 0 92px;overflow:hidden;background:linear-gradient(145deg,#082833,#061922);border:1px solid rgba(115,211,204,.22);clip-path:polygon(3% 8%,94% 0,100% 88%,10% 100%);box-shadow:inset 0 0 70px #1f91971f}.hero-model-frame:after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(115deg,transparent 55%,rgba(88,213,206,.06) 72%,transparent 87%);animation:modelScan 5.5s ease-in-out infinite}@keyframes modelScan{0%,16%{transform:translate(-70%)}80%,to{transform:translate(70%)}}.hero-stage{clip-path:none;background:#061923}.hero-model-topline{position:absolute;z-index:4;left:4.5%;right:5%;top:5%;display:flex;align-items:center;justify-content:space-between;gap:14px;color:#5f8e8c;font-size:8px;letter-spacing:.15em;pointer-events:none}.hero-model-topline b{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid rgba(89,220,207,.24);background:#041a22b8;color:#d9f2ee;font-size:9px;letter-spacing:.06em;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.hero-model-topline .pulse{width:5px;height:5px}.model-callout{position:absolute;z-index:4;min-width:145px;padding:9px 11px;border-left:2px solid #d2aa61;background:#041921bf;color:#b7cfcc;display:grid;grid-template-columns:auto 1fr;gap:2px 7px;pointer-events:none;-webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);box-shadow:0 10px 28px #0003;animation:modelLabelFloat 4s ease-in-out infinite}.model-callout>span{grid-row:1/3;color:#d7b46e;font:600 9px var(--serif)}.model-callout b{font:600 10px var(--serif);color:#eaf6f3}.model-callout small{color:#688f8d;font-size:7px;letter-spacing:.02em}.gate-callout{left:5%;top:38%}.wall-callout{right:4%;top:22%;animation-delay:-1.2s}.vessel-callout{left:14%;bottom:18%;animation-delay:-2.1s}@keyframes modelLabelFloat{50%{transform:translateY(-4px)}}.hero-telemetry-rack{position:absolute;z-index:5;left:9%;right:12%;bottom:4px;min-height:72px;display:grid;grid-template-columns:repeat(3,1fr);border:1px solid rgba(106,200,195,.2);background:#051c24e0;box-shadow:0 16px 35px #00000047;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.hero-telemetry-rack>span{padding:13px 16px;border-left:1px solid rgba(255,255,255,.08);display:grid;gap:5px}.hero-telemetry-rack>span:first-child{border-left:0}.hero-telemetry-rack small{color:#648d8a;font-size:7px;letter-spacing:.13em}.hero-telemetry-rack b{color:#e7f5f2;font:600 17px var(--serif);letter-spacing:.04em}.hero-telemetry-rack em{margin-left:3px;color:#6b9d99;font:500 7px var(--sans)}.water-level-card{z-index:6;right:1%;bottom:105px;width:132px;padding:13px 14px;border:1px solid rgba(114,218,210,.24);background:#051d26e0;color:#edf8f5;box-shadow:0 18px 45px #00000052;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.water-level-card small{color:#6e9794;font-size:8px;letter-spacing:.08em}.water-level-card b{font-size:27px}.water-level-card>span{background:#173f47}.drag-tip{z-index:5;left:12%;bottom:105px;padding:8px 10px;background:#051b23b3;color:#83aaa7;font-size:8px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.drag-tip span{display:inline-block;width:16px;height:1px;margin-right:8px;vertical-align:middle;background:#d0aa61}.hero-system-band{position:absolute;z-index:3;left:4.2vw;right:4.2vw;bottom:16px;height:28px;display:flex;align-items:center;justify-content:center;gap:18px;border-top:1px solid rgba(104,199,193,.12);color:#476f6d;font-size:7px;letter-spacing:.18em;white-space:nowrap}.hero-system-band i{width:3px;height:3px;border-radius:50%;background:#b28f51}.hero-waterline{z-index:1;opacity:.18}.scene-legend .mechanism-identification{margin-left:auto;padding:5px 8px;border:1px solid rgba(215,180,112,.28);background:#7253262e;display:flex;align-items:center;gap:7px;color:#e3c37e}.scene-legend .mechanism-identification b{font:600 9px var(--serif);white-space:nowrap}.scene-legend .mechanism-identification small{margin-left:0;color:#8ea7a3;font-size:7px;white-space:nowrap}.scene-legend>.mechanism-identification+small{margin-left:0}.scene-mechanism-callout{position:absolute;z-index:5;left:18px;top:78px;width:250px;padding:12px 14px;border-left:2px solid #d5ad63;background:#04181fe0;box-shadow:0 14px 34px #0000003d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);pointer-events:none}.scene-mechanism-callout span{display:block;color:#79a7a2;font-size:8px;letter-spacing:.16em}.scene-mechanism-callout b{display:block;margin-top:5px;color:#f0d28e;font:600 14px var(--serif)}.scene-mechanism-callout small{display:block;margin-top:5px;color:#b3c9c6;font-size:9px;line-height:1.6}.section-shell{max-width:1380px;margin:0 auto;padding-left:5vw;padding-right:5vw}.halls-section{padding-top:110px;padding-bottom:120px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:50px;margin-bottom:50px}.section-heading h2{margin:0;font:700 clamp(30px,3vw,48px) var(--serif)}.section-heading>p{max-width:480px;color:var(--muted);line-height:1.8;margin:0 0 4px}.hall-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.hall-card{min-height:235px;background:transparent;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px;text-align:left;cursor:pointer;position:relative;display:flex;flex-direction:column;overflow:hidden;transition:.3s ease}.hall-card:before{content:"";position:absolute;inset:auto 0 0;height:0;background:var(--accent);opacity:.14;transition:height .3s ease}.hall-card:hover{transform:translateY(-5px);box-shadow:0 20px 45px #1b35341a;z-index:2}.hall-card:hover:before{height:100%}.hall-number{color:var(--accent);font:700 15px var(--serif);z-index:1}.hall-line{width:34px;height:2px;background:var(--accent);margin:28px 0 22px;z-index:1}.hall-title{font:700 28px var(--serif);z-index:1}.hall-subtitle{color:var(--muted);margin-top:9px;z-index:1}.hall-arrow{position:absolute;right:26px;bottom:27px;color:var(--accent);transform:translate(-8px);opacity:0;transition:.25s}.hall-card:hover .hall-arrow{opacity:1;transform:translate(0)}.lab-preview{background:var(--deep);color:#edf7f4;padding:105px 0 120px;position:relative;overflow:hidden}.lab-preview:before{content:"";position:absolute;inset:0;opacity:.07;background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);background-size:42px 42px}.section-heading.light{position:relative}.section-heading.light>p{color:#9fb9b8}.experiment-strip{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.experiment-tile{min-height:260px;padding:0;border:1px solid rgba(181,225,221,.14);background:#031f29a8;color:#e7f4f1;text-align:left;cursor:pointer;display:flex;flex-direction:column;position:relative;overflow:hidden;transition:.3s}.experiment-tile:hover,.experiment-tile.featured{border-color:#56d0cf7a;background:#07474fb3;transform:translateY(-4px)}.experiment-tile>img{width:100%;height:155px;object-fit:cover;display:block;filter:saturate(.82) brightness(.82);transition:.4s}.experiment-tile:hover>img{transform:scale(1.04);filter:saturate(1) brightness(.95)}.experiment-index{position:absolute;left:14px;top:14px;color:#e5f5f1;font:600 11px var(--serif);background:#04181fcc;padding:5px 7px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.experiment-era{position:absolute;right:12px;top:13px;padding:5px 7px;background:#04181fd1;color:#75d1ce;font-size:8px;letter-spacing:.1em}.experiment-era.ancient{color:#efcb83}.experiment-card-copy{padding:17px 18px 10px;display:flex;flex-direction:column}.experiment-wave{height:70px;margin:22px -24px 8px;opacity:.35;background:radial-gradient(ellipse at 50% 100%,transparent 0 22px,#4ec1c5 23px 24px,transparent 25px 44px);background-size:90px 70px}.experiment-tile b{font:600 20px var(--serif)}.experiment-tile small{color:#8eaaaa;margin-top:6px}.tile-cta{margin-top:auto;color:#d2ae68;display:flex;align-items:center;gap:10px;font-size:12px;opacity:0;transition:.25s}.experiment-tile:hover .tile-cta{opacity:1}.experiment-tile .tile-cta{padding:0 18px 16px;margin-top:auto}.ancient-modern{display:grid;grid-template-columns:1.1fr .9fr;gap:90px;align-items:center;padding-top:120px;padding-bottom:130px}.comparison-visual{min-height:440px;background:#e2dfd3;position:relative;overflow:hidden}.ink-mountain{position:absolute;inset:0;opacity:.45;background:linear-gradient(155deg,transparent 38%,#79918b 39% 44%,transparent 45%),linear-gradient(25deg,transparent 48%,#99aaa3 49% 56%,transparent 57%)}.time-river{position:absolute;height:80px;left:-5%;right:-5%;top:48%;background:#2f8790;transform:rotate(-5deg);opacity:.72;clip-path:polygon(0 42%,25% 19%,48% 61%,73% 17%,100% 47%,100% 72%,72% 52%,48% 93%,24% 53%,0 78%)}.time{position:absolute;z-index:2;padding:14px;background:#f7f4ebe6;border-left:3px solid var(--bronze);font:600 13px var(--serif)}.time small{display:block;font:12px var(--sans);color:var(--muted);margin-top:5px}.time.ancient{left:8%;top:12%}.time.modern{right:8%;bottom:12%}.comparison-copy h2{font:700 clamp(30px,3vw,46px)/1.45 var(--serif);margin:0 0 24px}.comparison-copy>p:not(.eyebrow){color:var(--muted);line-height:2}.text-link{border:0;background:none;color:var(--teal);padding:0 0 4px;border-bottom:1px solid var(--teal);margin-top:24px;display:flex;align-items:center;gap:12px;cursor:pointer}.site-footer{background:#061820;color:#849d9d;min-height:130px;padding:34px 5vw;display:flex;align-items:center;justify-content:space-between;gap:30px;font-size:12px}.site-footer>div{display:flex;align-items:center;color:#e9f3f1;font:600 16px var(--serif);letter-spacing:.1em}.footer-brand{gap:10px}.footer-brand .brand-mark-frame{width:36px;height:36px;flex-basis:36px}.footer-brand .brand-mark{width:36px;height:36px}.footer-brand .brand-wordmark{gap:3px;padding-left:10px}.footer-brand .brand-wordmark b{font-size:15px}.footer-brand .brand-wordmark small{color:#668e8c;font-size:6.5px}.interior{min-height:calc(100vh - 76px)}.hall-hero{background:linear-gradient(112deg,#061c26f2,#09373ee8);color:#eef8f5;min-height:400px;overflow:hidden;position:relative}.hall-hero:after{content:"";position:absolute;width:500px;height:500px;border:1px solid color-mix(in srgb,var(--accent),transparent 65%);border-radius:50%;right:-80px;top:-260px;box-shadow:0 0 0 60px color-mix(in srgb,var(--accent),transparent 92%),0 0 0 120px color-mix(in srgb,var(--accent),transparent 96%)}.hall-hero-inner{height:400px;display:grid;grid-template-columns:.55fr 1.5fr auto;align-items:center;gap:45px;position:relative;z-index:2}.crumb{position:absolute;top:24px;left:5vw;color:#88a7a7;font-size:12px;display:flex;gap:10px}.crumb button{border:0;background:none;color:inherit;padding:0;cursor:pointer}.giant-number{font:900 155px var(--serif);color:color-mix(in srgb,var(--accent),transparent 55%);line-height:1}.hall-hero h1{font:700 58px var(--serif);margin:0 0 12px}.hall-hero h1+p{max-width:630px;color:#aec5c3;line-height:1.9;margin:0}.hall-switcher{display:flex;flex-direction:column;gap:6px}.hall-switcher button{width:38px;height:38px;border:1px solid rgba(255,255,255,.16);background:transparent;color:#8ea9a8;cursor:pointer}.hall-switcher button.active{background:var(--accent);color:#152d32;border-color:var(--accent)}.knowledge-layout{padding-top:100px;padding-bottom:100px;display:grid;grid-template-columns:1.5fr .6fr;gap:100px;align-items:start}.thirty-seconds h2{font:600 31px/1.65 var(--serif);margin:0 0 42px}.principle-list{border-top:1px solid var(--line)}.principle-list div{display:flex;gap:24px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}.principle-list span{color:var(--bronze);font:600 13px var(--serif)}.principle-list p{margin:0;font-size:15px}.term-card{background:var(--deep);color:#eff8f5;padding:32px;min-height:290px;position:relative}.term-card:before{content:"“";position:absolute;right:25px;top:5px;font:100px var(--serif);color:#ffffff14}.term-card>span{color:#88aaa8;font-size:11px;letter-spacing:.18em}.term-card b{display:block;font:700 34px var(--serif);margin:45px 0 20px;color:#d9b66e}.term-card p{color:#a8bcba;line-height:1.9;margin:0}.comparison-section{background:#0a303b;color:#e9f4f1;padding:100px 0}.comparison-grid{display:grid;grid-template-columns:1fr 120px 1fr;gap:30px;align-items:center}.comparison-grid article{padding:36px;border:1px solid rgba(255,255,255,.13);min-height:240px}.comparison-grid article>span{color:#c8a75f;font-size:11px;letter-spacing:.18em}.comparison-grid h3{font:600 26px var(--serif)}.comparison-grid p{color:#9eb7b5;line-height:1.9}.comparison-flow{display:flex;align-items:center;gap:5px;color:#72b7ba}.comparison-flow span{height:1px;flex:1;background:#456c6d}.case-section{padding-top:110px;padding-bottom:110px}.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.case-grid article{background:#e6e3d9;padding:28px;min-height:200px;border-top:3px solid var(--teal)}.case-grid article span{color:#8a9c9b;font:600 12px var(--serif)}.case-grid h3{font:600 23px var(--serif)}.case-grid p{color:var(--muted);line-height:1.7}.hall-bottom{display:grid;grid-template-columns:1fr .65fr;gap:80px;padding-bottom:120px}.mini-artifacts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.mini-artifacts button{border:1px solid var(--line);background:transparent;padding:22px;text-align:left;cursor:pointer}.mini-artifacts span,.mini-artifacts small{display:block;color:var(--muted);font-size:11px}.mini-artifacts b{display:block;font:600 20px var(--serif);margin:25px 0 8px}.lab-callout{background:var(--deep);color:#fff;padding:35px}.lab-callout>span{color:#c5a864;font-size:11px;letter-spacing:.15em}.lab-callout h3{font:600 30px var(--serif)}.lab-callout p{color:#9fb7b6;line-height:1.8}.lab-callout button{margin-top:18px}.lab-page{min-height:calc(100vh - 76px);background:#061923;color:#e8f4f1;display:grid;grid-template-columns:270px 1fr}.lab-rail{background:#09232d;border-right:1px solid rgba(255,255,255,.1);padding:28px 18px;display:flex;flex-direction:column}.lab-rail>div{padding:0 10px 26px;border-bottom:1px solid rgba(255,255,255,.09)}.rail-label{display:block;color:#bd9c5f;font-size:10px;letter-spacing:.2em;margin-bottom:8px}.lab-rail>div b{font:600 16px var(--serif)}.lab-rail nav{padding-top:15px;display:flex;flex-direction:column;gap:5px}.lab-rail nav button{border:0;background:transparent;color:#8fa7a6;padding:13px 10px;display:flex;gap:13px;text-align:left;cursor:pointer;position:relative}.lab-rail nav button:before{content:"";position:absolute;left:-18px;top:8px;bottom:8px;width:3px;background:#d1aa61;transform:scaleY(0)}.lab-rail nav button.active{background:#307e8230;color:#fff}.lab-rail nav button.active:before{transform:scaleY(1)}.lab-rail nav button>span{font:600 10px var(--serif);color:#607d7d;padding-top:4px}.lab-rail nav p{margin:0}.lab-rail nav b{display:block;font:500 14px var(--serif)}.lab-rail nav small{display:block;font-size:9px;margin-top:4px;color:#698989}.rail-back{margin-top:auto;border:0;background:none;color:#789492;text-align:left;padding:12px;cursor:pointer}.lab-rail{max-height:calc(100vh - 76px);position:sticky;top:76px;overflow:auto;scrollbar-width:thin;scrollbar-color:#315a5e #071d26;scrollbar-gutter:stable}.lab-rail::-webkit-scrollbar{width:6px}.lab-rail::-webkit-scrollbar-track{background:#071d26}.lab-rail::-webkit-scrollbar-thumb{background:#315a5e;border:1px solid #071d26}.lab-rail::-webkit-scrollbar-thumb:hover{background:#4a7f80}.lab-rail>div.era-switcher{padding:12px 8px;display:grid;grid-template-columns:repeat(3,1fr);gap:4px}.era-switcher button{border:1px solid rgba(255,255,255,.1);background:transparent;color:#789593;font-size:8px;padding:7px 3px;cursor:pointer}.era-switcher button.active{border-color:#cda75f;color:#f1d59b;background:#cda75f1a}.lab-rail nav button>em{margin-left:auto;width:20px;height:20px;border:1px solid rgba(205,167,95,.4);border-radius:50%;display:grid;place-items:center;color:#c9a65f;font:normal 9px var(--serif);flex:none}.lab-header h1{display:flex;align-items:center;gap:12px}.era-badge{font:600 8px sans-serif;letter-spacing:.12em;padding:5px 8px;border:1px solid #6bb8b7;color:#7bd1ce}.era-badge.ancient{border-color:#c8a45e;color:#dfbd79}.mobile-lab-picker{display:none}[data-experiment-era][hidden]{display:none!important}.lab-workspace{padding:28px 34px 36px;min-width:0}.lab-header{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:22px}.lab-header h1{font:600 36px var(--serif);margin:0}.lab-header .eyebrow{margin-bottom:5px}.lab-header>p{max-width:520px;color:#8fa8a7;line-height:1.65;margin:0}.lab-main{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(350px,.58fr);min-height:610px;border:1px solid rgba(255,255,255,.11)}.scene-panel{position:relative;min-height:610px;background:#061923;overflow:hidden}.lab-stage{position:absolute;inset:0}.scene-toolbar{position:absolute;left:15px;right:15px;top:15px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.scene-toolbar>span{margin-right:auto;background:#04161ec7;padding:10px 13px;color:#95afae;font-size:10px;display:flex;align-items:center;gap:8px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.scene-toolbar button{min-height:38px;border:1px solid rgba(255,255,255,.16);background:#04161ec7;color:#b4c8c6;padding:8px 11px;display:flex;align-items:center;gap:7px;cursor:pointer;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.scene-toolbar button:hover,.scene-toolbar button.active{border-color:#55c7c9;color:#f4ffff;background:#0a4c54e0}.scene-modes,.camera-presets{display:flex;gap:4px}.scene-modes{padding-right:8px;border-right:1px solid rgba(255,255,255,.13)}.scene-legend{position:absolute;left:18px;right:18px;bottom:16px;background:#04161ec7;padding:10px 13px;display:flex;gap:20px;align-items:center;color:#93aaa9;font-size:10px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.scene-legend small{margin-left:auto}.scene-legend i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.water-dot{background:#1db3c0}.structure-dot{background:#c4a15d}.scene-toolbar .demo-toggle{--demo-progress:0%;position:relative;overflow:hidden;border-color:#e0b86594;color:#f1d594;background:#2d291fdb}.scene-toolbar .demo-toggle:before{content:"";position:absolute;inset:0 auto 0 0;width:var(--demo-progress);background:linear-gradient(90deg,#249893b8,#1e676f9e);transition:width .12s linear}.scene-toolbar .demo-toggle>*{position:relative;z-index:1}.scene-toolbar .demo-toggle b{font:600 10px var(--sans)}.scene-toolbar .demo-toggle.active{border-color:#6fe4d8;color:#fff;background:#0a4c54e6;box-shadow:0 0 24px #3bd3c63d}.scene-toolbar .demo-toggle.active span{animation:demoIndicator 1.25s ease-in-out infinite}@keyframes demoIndicator{50%{opacity:.45;transform:scale(.78)}}.control-panel{background:#0d2b35;padding:24px;overflow:auto}.control-heading{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:18px;margin-bottom:14px}.control-heading span{color:#779897;font-size:10px;letter-spacing:.18em}.control-heading b{font:500 14px var(--serif);color:#d8b66b}.lock-steps>div{display:flex;gap:11px;padding:10px 0;color:#728d8c;position:relative}.lock-steps>div:not(:last-child):after{content:"";position:absolute;left:11px;top:34px;height:19px;width:1px;background:#385157}.lock-steps>div>span{width:23px;height:23px;border:1px solid #496268;border-radius:50%;display:grid;place-items:center;font-size:9px;flex:none}.lock-steps p{margin:0}.lock-steps b{display:block;font-size:12px;font-weight:600}.lock-steps small{display:block;font-size:9px;margin-top:2px;color:#587373}.lock-steps .done>span{background:#347e7d;border-color:#347e7d;color:#fff}.lock-steps .current{color:#fff}.lock-steps .current>span{border-color:#d0aa62;color:#d0aa62;box-shadow:0 0 0 4px #d0aa621a}.lock-telemetry{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin-bottom:12px}.lock-telemetry>div{background:#08232d;border:1px solid rgba(117,202,198,.09);padding:10px 11px}.lock-telemetry small{display:block;color:#6f9291;font-size:8px}.lock-telemetry b{display:inline-block;color:#eef9f6;font:600 20px var(--serif);margin-top:5px}.lock-telemetry span{margin-left:4px;color:#6f9291;font-size:8px}.valve-progress{height:27px;position:relative;background:#09232d;overflow:hidden;margin-bottom:10px;border:1px solid rgba(255,255,255,.08)}.valve-progress span{position:absolute;inset:0 auto 0 0;width:var(--value);background:linear-gradient(90deg,#17666d,#38b6b8);transition:width .16s linear}.valve-progress small{position:relative;z-index:1;display:block;padding:7px 9px;color:#c0d3d1;font-size:8px;letter-spacing:.08em}.engineering-note{margin-top:15px;border-left:2px solid #37a5a2;background:#3a868417;padding:11px 13px}.engineering-note.warning{border-left-color:#dd7957;background:#dd79571a}.engineering-note span{font-size:9px;letter-spacing:.15em;color:#75a6a3}.engineering-note p{font-size:11px;line-height:1.55;color:#b2c4c2;margin:5px 0 0}.lock-controls{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:14px}.lock-controls button{min-height:42px;border:1px solid rgba(255,255,255,.14);background:#123a45;color:#c7d7d5;padding:10px 7px;font-size:10px;cursor:pointer}.lock-controls button:hover:not(:disabled){border-color:#5ec6c5;background:#15505a}.lock-controls button:disabled{cursor:not-allowed;color:#64817f;border-color:#ffffff12;background:#0a2932;opacity:.5;box-shadow:none;filter:saturate(.45)}.lock-controls button:disabled.recommended{opacity:.78;color:#d4efea;border-color:#5adccf6b;background:linear-gradient(135deg,#0e4b53,#163f46);animation:none}.lock-telemetry .lock-flow-direction{grid-column:1/-1;display:flex;align-items:center;gap:12px}.lock-telemetry .lock-flow-direction small{margin-right:auto}.lock-telemetry .lock-flow-direction b{margin:0;color:#69ddd3;font:600 13px var(--sans);letter-spacing:.04em}.lock-steps>div{padding-top:8px;padding-bottom:8px}.lock-steps>div:not(:last-child):after{height:15px}.parameter-control{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.1)}.parameter-control label{display:flex;justify-content:space-between;font-size:12px;color:#b7c9c7}.parameter-control label b{color:#d6b366;font-size:14px}.parameter-control input{width:100%;accent-color:#2eabb0;margin:20px 0 2px}.range-scale{display:flex;justify-content:space-between;color:#5f7f7d;font-size:9px}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:18px}.metric-grid>div{background:#09232d;padding:12px 8px;text-align:center}.metric-grid small{display:block;color:#6e8d8b;font-size:8px}.metric-grid b{display:block;color:#e8f3f1;font:600 19px var(--serif);margin:6px 0 1px}.metric-grid span{font-size:8px;color:#6d8988}.lock-controls button{position:relative}.lock-controls button.recommended{border-color:#75f3e6;color:#fff;background:linear-gradient(135deg,#126873,#184b53);box-shadow:0 0 0 2px #4ce7da2b,0 0 22px #2cd4c957;animation:nextActionPulse 1.6s ease-in-out infinite}.next-badge{position:absolute;right:5px;top:-8px;background:#e4b952;color:#112e34;font-size:7px;font-weight:800;letter-spacing:.08em;padding:3px 5px;border-radius:8px}@keyframes nextActionPulse{50%{box-shadow:0 0 0 4px #4ce7da14,0 0 30px #2cd4c980;transform:translateY(-1px)}}.scenario-presets{padding:0 0 13px;border-bottom:1px solid rgba(255,255,255,.1)}.scenario-presets>span{display:block;color:#71918f;font-size:9px;letter-spacing:.12em;margin-bottom:8px}.scenario-presets>div{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}.scenario-presets button{min-height:34px;border:1px solid rgba(255,255,255,.13);background:#0d3039;color:#adc3c0;font-size:9px;cursor:pointer;padding:6px}.scenario-presets button:hover,.scenario-presets button.active{border-color:#d6b366;color:#fff1c5;background:#34433f}.simulation-status{margin-top:12px;padding:11px 12px;border:1px solid rgba(102,196,188,.2);background:#2b7f7b14}.simulation-status span{color:#72bcb7;font-size:8px;letter-spacing:.14em}.simulation-status p{margin:5px 0 0;color:#aec3c0;font-size:10px;line-height:1.5}.simulation-status.caution{border-color:#d6b36652;background:#d6b36614}.simulation-status.caution span{color:#d6b366}.simulation-status.warning{border-color:#e276526b;background:#e2765217}.simulation-status.warning span{color:#e58b6c}.principle-bar{margin-top:16px;background:#0c2b35;border:1px solid rgba(255,255,255,.1);padding:18px 24px;display:grid;grid-template-columns:100px .8fr 1.3fr;gap:20px;align-items:center}.principle-bar>span{color:#d2ac63;font-size:10px;letter-spacing:.16em}.principle-bar>b{font:500 14px var(--serif)}.principle-bar p{margin:0;color:#809c9a;font-size:11px;line-height:1.6}.catalog-hero{background:#0a2d38;color:#eef7f4;padding:80px 0 85px}.catalog-hero h1{font:700 54px var(--serif);margin:0}.catalog-hero p:last-child{color:#9fb7b5;margin-top:15px}.artifact-section{padding-top:55px;padding-bottom:110px}.catalog-filters{display:flex;gap:8px;margin-bottom:30px}.catalog-filters span,.catalog-filters button{border:1px solid var(--line);background:transparent;padding:9px 14px;font-size:11px}.catalog-filters span{background:var(--deep);color:#fff}.artifact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.artifact-card{border:1px solid var(--line);background:#edeae1;min-height:430px;display:flex;flex-direction:column}.artifact-object{height:210px;background:#0e3039;position:relative;overflow:hidden}.artifact-object:before,.artifact-object:after,.artifact-object span,.artifact-object i{content:"";position:absolute;display:block;background:#c39b58}.artifact-object:before{width:110px;height:110px;border:13px solid #c39b58;background:transparent;border-radius:50%;left:50%;top:45%;transform:translate(-50%,-50%)}.artifact-object:after{width:12px;height:120px;left:50%;top:38px;transform:translate(-50%)}.artifact-object span{width:125px;height:10px;left:50%;bottom:25px;transform:translate(-50%)}.artifact-object i{width:42px;height:42px;left:calc(50% - 21px);top:73px;border-radius:50%;background:#0e3039}.object-1:before{border-radius:8px;transform:translate(-50%,-50%) rotate(45deg)}.object-2:after{width:100px;height:80px;clip-path:polygon(50% 0,100% 100%,0 100%)}.object-3:before{width:150px;height:70px;border-radius:50% 50% 10% 10%}.object-4:before{width:80px;height:140px;border-radius:5px}.artifact-card>div span{color:#778c8c;font-size:10px}.artifact-card h2{font:600 25px var(--serif);margin:8px 0}.artifact-card p{color:var(--muted);line-height:1.7;font-size:13px}.artifact-card>button{margin-top:auto;border:0;border-top:1px solid var(--line);background:transparent;padding:14px 24px;display:flex;justify-content:space-between;cursor:pointer;color:var(--teal);font-size:11px}.artifact-image{height:220px;background:#0b2730;position:relative;overflow:hidden}.artifact-image img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}.artifact-card:hover .artifact-image img{transform:scale(1.035)}.artifact-image>span{position:absolute;left:12px;bottom:11px;background:#05191fd1;color:#e2bd76!important;padding:5px 7px;font-size:8px!important;letter-spacing:.12em;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.artifact-image.pending{display:grid;place-items:center;background:linear-gradient(135deg,#0b2730,#173b40)}.artifact-image.pending>span{position:static;border:1px solid rgba(226,189,118,.32);background:transparent}.artifact-card>div:nth-child(2){padding:22px 24px}.catalog-filters button.active{background:var(--deep);border-color:var(--deep);color:#fff}.artifact-card[hidden]{display:none!important}.artifact-detail-page{background:#f1eee5;color:var(--text)}.artifact-detail-hero{min-height:610px;display:grid;grid-template-columns:.72fr 1.28fr;background:#071c26;color:#edf7f4}.artifact-detail-copy{padding:70px 5vw;display:flex;flex-direction:column;justify-content:center;background:#0a2c37}.artifact-detail-copy .crumb{color:#628582;font-size:10px;margin:0 0 52px}.artifact-detail-copy .crumb button{border:0;background:none;color:#a7bfbc;padding:0;cursor:pointer}.artifact-detail-copy h1{font:600 60px var(--serif);margin:6px 0 18px}.artifact-detail-copy>p:not(.eyebrow,.crumb){color:#a3b7b4;line-height:1.85;max-width:520px}.artifact-meta{display:flex;gap:7px;margin-top:30px}.artifact-meta span{border:1px solid rgba(255,255,255,.15);padding:7px 10px;color:#d8b66b;font-size:9px}.artifact-model-panel{position:relative;min-height:610px}.artifact-model-panel #artifact-three-stage{position:absolute;inset:0}.artifact-model-panel canvas{display:block;width:100%;height:100%}.artifact-model-toolbar{position:absolute;left:20px;right:20px;bottom:18px;padding:11px 13px;background:#04161ec7;display:flex;align-items:center;gap:10px;color:#95afae;font-size:9px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.artifact-model-toolbar>span{display:flex;align-items:center;gap:8px}.artifact-model-toolbar>em{color:#d6b973;font-size:8px;font-style:normal;letter-spacing:.03em}.artifact-model-toolbar small{margin-left:auto}.artifact-model-toolbar button{border:1px solid rgba(255,255,255,.14);background:transparent;color:#c4d5d2;padding:6px 9px;display:flex;align-items:center;gap:5px;cursor:pointer}.artifact-knowledge{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;padding-top:95px;padding-bottom:95px}.artifact-principle h2{font:600 42px var(--serif);margin:12px 0 18px}.artifact-principle>p:not(.eyebrow){font-size:16px;line-height:1.9;color:#516a68;max-width:720px}.artifact-principle img{width:100%;max-height:430px;object-fit:cover;margin-top:32px;display:block}.artifact-structure{border-left:1px solid var(--line);padding-left:45px}.artifact-structure>span{color:#b38e4f;font-size:10px;letter-spacing:.16em}.artifact-structure ol{list-style:none;padding:0;margin:22px 0 0}.artifact-structure li{display:flex;gap:16px;border-top:1px solid var(--line);padding:18px 0}.artifact-structure li>b{font:500 12px var(--serif);color:#b18d50}.artifact-story{background:#0a2b35;color:#edf7f4;padding:70px 0}.artifact-story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px}.artifact-story article{padding:20px 34px;border-left:1px solid rgba(255,255,255,.12)}.artifact-story article:first-child{border:0}.artifact-story span{color:#d0aa62;font-size:9px;letter-spacing:.14em}.artifact-story h3{font:600 22px var(--serif);margin:13px 0}.artifact-story p{color:#91aaa7;line-height:1.8;font-size:13px}.artifact-related{padding-top:85px;padding-bottom:105px}.related-artifact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.related-artifact-grid button{border:1px solid var(--line);background:#e8e4da;padding:0 0 18px;text-align:left;cursor:pointer;overflow:hidden}.related-artifact-grid img{width:100%;height:180px;object-fit:cover;display:block}.related-artifact-grid small,.related-artifact-grid b{display:block;padding:0 18px}.related-artifact-grid small{margin-top:14px;color:#748a88}.related-artifact-grid b{font:600 21px var(--serif);margin-top:6px}.artifact-structure>span{display:block}.artifact-structure>small{display:block;color:#718684;font-size:9px;margin-top:7px}.artifact-structure li{display:block;padding:0}.artifact-structure li button{width:100%;min-height:64px;border:0;border-left:2px solid transparent;background:transparent;padding:15px 10px;display:grid;grid-template-columns:32px 1fr;align-items:center;gap:10px;text-align:left;cursor:pointer}.artifact-structure li button:hover,.artifact-structure li button:focus-visible{background:#14686812}.artifact-structure li button.active{border-left-color:#b18d50;background:#b18d501a}.artifact-structure li button b{font:500 12px var(--serif);color:#b18d50}.artifact-structure li button>span{display:grid;gap:5px}.artifact-structure li button strong{font:600 18px var(--serif)}.artifact-structure li button small{color:#718684;font:400 10px/1.55 var(--sans)}.map-page{background:#071c26;color:#edf7f4;display:grid;grid-template-columns:minmax(400px,.66fr) minmax(0,1.34fr);min-height:calc(100vh - 76px)}.map-copy{padding:48px clamp(30px,4.2vw,68px) 58px;background:#0a2c37}.map-copy h1{font:600 38px/1.35 var(--serif);margin:0 0 16px}.map-copy>p:not(.eyebrow){color:#8fa9a7;line-height:1.75;font-size:13px}.map-overview-stats{display:grid;grid-template-columns:repeat(3,1fr);margin:24px 0 4px;border:1px solid rgba(255,255,255,.11)}.map-overview-stats>span{min-width:0;padding:13px 12px;border-left:1px solid rgba(255,255,255,.1)}.map-overview-stats>span:first-child{border-left:0}.map-overview-stats b{display:block;color:#e9c77c;font:600 23px var(--serif)}.map-overview-stats small{display:block;color:#6f918f;font-size:8px;letter-spacing:.08em;margin-top:3px}.map-filters{display:flex;gap:7px;margin:30px 0}.map-filters button{border:1px solid rgba(255,255,255,.15);background:transparent;color:#8ca6a5;padding:8px 12px;font-size:10px;cursor:pointer;transition:background .2s ease,border-color .2s ease,color .2s ease}.map-filters button:hover{border-color:#74bab8;color:#dcefed}.map-filters button.active{background:#c7a05a;border-color:#c7a05a;color:#112a31}.map-visible-summary{margin:12px 0 0!important;color:#789795!important;font-size:10px!important}.map-visible-summary strong{color:#e0bd75;font:600 14px var(--serif);margin:0 2px}.map-index-heading{display:flex;justify-content:space-between;align-items:center;margin:24px 0 8px;color:#d5b46d;font-size:9px;letter-spacing:.14em}.map-index-heading small{color:#628583;font-size:8px;letter-spacing:0}.map-project-index{display:grid;gap:5px;max-height:240px;overflow-y:auto;overscroll-behavior:contain;padding-right:4px;scrollbar-color:#3b6e6c transparent;scrollbar-width:thin}.map-index-item{width:100%;min-height:54px;border:1px solid rgba(255,255,255,.1);border-left:2px solid transparent;background:#092630;color:#9eb5b2;padding:9px 11px;display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:left;cursor:pointer}.map-index-item>span{min-width:0;display:grid;grid-template-columns:auto auto minmax(0,1fr);align-items:center;gap:7px}.map-index-number{color:#d3b26f;font:600 9px var(--serif);letter-spacing:.04em}.map-index-item b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#c5d5d3;font:500 13px var(--serif)}.map-index-item small{flex:none;color:#648582;font-size:8px}.map-index-era{padding:3px 5px;border:1px solid #3e8f8d;color:#72c0bc;font-size:7px;line-height:1;white-space:nowrap}.map-index-era.ancient{border-color:#9d7c46;color:#d1ad68}.map-index-item:hover{border-color:#64bcb873;background:#0d333c}.map-index-item.active{border-color:#d4a95d94;border-left-color:#d4a95d;background:#a87e3921}.map-index-item.active b{color:#fff}.map-index-item[hidden]{display:none}.map-empty-state{margin-top:9px;padding:18px;border:1px dashed rgba(212,169,93,.35);background:#d4a95d0f}.map-empty-state[hidden]{display:none}.map-empty-state b{color:#e3c27b;font:500 15px var(--serif)}.map-empty-state p{margin:6px 0 0;color:#789693;font-size:10px;line-height:1.5}.map-detail{border-top:1px solid rgba(255,255,255,.13);padding-top:22px;margin-top:24px}.map-detail[hidden]{display:none}.map-detail>span{color:#c7a55f;font-size:9px;letter-spacing:.16em}.map-detail h2{font:600 25px var(--serif);margin:12px 0}.map-detail p{color:#9db1b0;line-height:1.65;font-size:12px}.map-detail small{color:#638483}.map-filter-block{margin-top:18px}.map-filter-block>span{display:block;color:#658986;font-size:8px;letter-spacing:.15em;margin-top:11px}.map-filter-block .map-filters{margin:7px 0 0;flex-wrap:wrap}.map-filter-block .map-filters.type button{padding:6px 9px}.project-location{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:8px;margin-top:13px;padding:8px 9px;border:1px solid rgba(102,190,185,.12);background:#2c757414}.project-location span{color:#5f8987;font-size:7px;letter-spacing:.1em}.project-location b{color:#b8cfcc;font:500 9px var(--sans)}.project-location em{color:#d1ad68;font-size:7px;font-style:normal}.project-facts{display:flex;flex-wrap:wrap;gap:5px;margin:15px 0}.project-facts b{border:1px solid rgba(255,255,255,.12);padding:6px 8px;color:#9eb5b2;font-size:8px;font-weight:500}.map-lab-link{width:100%;border:1px solid #c8a45e;background:#c8a45e1a;color:#f0d295;padding:11px 13px;display:flex;align-items:center;justify-content:space-between;cursor:pointer}.map-lab-link .icon{width:14px}.map-detail-visual{position:relative;height:164px;margin:17px 0 0;overflow:hidden;background:#0c333d}.map-detail-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 46%,rgba(3,20,27,.86))}.map-detail-visual img{width:100%;height:100%;display:block;object-fit:cover}.map-detail-visual figcaption{position:absolute;z-index:1;left:11px;bottom:10px;border:1px solid rgba(229,190,107,.5);background:#04181fd1;color:#f0ca79;padding:5px 7px;font-size:8px;letter-spacing:.1em;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.map-detail-model{margin-top:12px;padding:10px;border-left:2px solid #e1b964;background:#e1b96414}.map-detail-model>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:8px}.map-detail-model strong{color:#e9c77d;font-size:9px}.map-detail-model small{color:#829f9c;font-size:8px}.map-detail-readouts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;margin-top:8px}.map-detail-readouts>span{min-width:0;padding:7px 8px;background:#041c238a;display:grid;gap:3px}.map-detail-readouts small{color:#7ca8a5;font-size:7px;letter-spacing:.04em}.map-detail-readouts b{color:#f1f7f4;font:600 14px var(--sans)}.map-detail-readouts em{margin-left:3px;color:#77a29f;font-size:7px;font-style:normal;font-weight:500}.map-detail-knowledge{margin-top:14px}.map-detail-knowledge>span{color:#658986;font-size:8px;letter-spacing:.15em}.map-detail-knowledge .project-facts{margin:7px 0 15px}.china-map{position:sticky;top:76px;height:calc(100vh - 76px);min-height:700px;overflow:hidden;isolation:isolate;background:radial-gradient(circle at 58% 48%,rgba(22,83,91,.34),transparent 48%),linear-gradient(145deg,#061923,#082630)}.geo-map-canvas{position:absolute;inset:0;z-index:1;outline:0}.geo-map-canvas:focus-visible{box-shadow:inset 0 0 0 2px #e1bd70}.geo-map-heading{position:absolute;left:28px;top:25px;z-index:4;display:grid;gap:5px;pointer-events:none;text-shadow:0 2px 12px #03151d}.geo-map-heading span{color:#5f918f;font-size:8px;letter-spacing:.18em}.geo-map-heading b{color:#dcecea;font:500 13px var(--serif)}.geo-map-loading{position:absolute;z-index:6;left:50%;top:50%;transform:translate(-50%,-50%);min-width:220px;padding:20px 24px;border:1px solid rgba(116,196,191,.28);background:#051c24e6;display:grid;gap:7px;text-align:center;box-shadow:0 20px 50px #00000047}.geo-map-loading[hidden]{display:none}.geo-map-loading b{color:#e7f2ef;font:500 15px var(--serif)}.geo-map-loading span{color:#729795;font-size:9px}.geo-map-loading.error{border-color:#d7a85966}.geo-map-controls{position:absolute;right:28px;top:24px;z-index:7;display:flex;gap:5px}.geo-map-controls button{min-height:34px;border:1px solid rgba(143,203,198,.28);background:#051b23e0;color:#a7c1be;padding:7px 10px;font-size:9px;cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.geo-map-controls button:hover:not(:disabled),.geo-map-controls button:focus-visible{border-color:#66c8c2;color:#f4fffc;background:#0b3d47}.geo-map-controls button:disabled{opacity:.38;cursor:wait}.geo-map-waterways{position:absolute;left:28px;top:75px;z-index:4;display:flex;flex-wrap:wrap;gap:5px;max-width:340px;pointer-events:none}.geo-map-waterways span{border:1px solid rgba(125,182,178,.15);background:#051c24b8;color:#6f9694;padding:5px 7px;font-size:8px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.map-legend{position:absolute;z-index:5;right:28px;bottom:25px;background:#04161dd1;padding:11px 14px;display:flex;align-items:center;gap:14px;font-size:9px;color:#91aaa7;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.map-legend i{display:inline-block;width:9px;height:9px;border:2px solid #f4fbf8;border-radius:50%;margin-right:6px;vertical-align:-2px}.map-legend .ancient i{background:#e6b85f}.map-legend .modern i{background:#4ed0cf}.map-legend small{padding-left:12px;border-left:1px solid rgba(255,255,255,.12);color:#628582;font-size:8px}.geo-map-source{position:absolute;z-index:5;left:28px;bottom:28px;color:#537a78;font-size:8px;letter-spacing:.06em;pointer-events:none}.geo-tooltip{width:250px;padding:15px 16px;display:grid;gap:6px}.geo-tooltip small{color:#d8b66d;font-size:8px;letter-spacing:.1em}.geo-tooltip b{color:#f3fbf8;font:600 20px var(--serif)}.geo-tooltip span{color:#6fb5b1;font-size:9px}.geo-tooltip p{margin:3px 0;color:#9bb3b0;font-size:10px;line-height:1.55}.geo-tooltip em{color:#6e918f;font-style:normal;font-size:8px}.geo-tooltip.province{width:auto;min-width:120px}.geo-tooltip.province b{font-size:15px}.geo-tooltip.province small{display:block;margin-top:5px;color:#6e918f}.geo-tooltip:has(.geo-tooltip-visual){width:304px;padding:0;display:block;overflow:hidden}.geo-tooltip-visual{position:relative;height:134px;overflow:hidden;background:#0c333d}.geo-tooltip-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 48%,rgba(3,20,27,.82))}.geo-tooltip-visual img{width:100%;height:100%;display:block;object-fit:cover;transform:scale(1.01)}.geo-tooltip-visual small{position:absolute;z-index:1;left:12px;bottom:10px;border:1px solid rgba(229,190,107,.5);background:#04181fd1;color:#f0ca79;padding:5px 7px;font-size:8px;letter-spacing:.1em;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.geo-tooltip-copy{padding:13px 15px 15px;display:grid;gap:6px}.geo-tooltip-kicker{color:#d8b66d!important;font-size:8px!important;letter-spacing:.1em}.geo-tooltip-location{color:#6fb5b1!important;font-size:9px!important}.geo-tooltip-tags{display:flex;flex-wrap:wrap;gap:4px}.geo-tooltip-tags span{border:1px solid rgba(109,194,189,.24);background:#154b517a;color:#a7d6d2;font-size:8px;padding:4px 6px}.geo-tooltip-model{margin-top:3px;padding:8px 9px;border-left:2px solid #e1b964;background:#e1b96414;display:grid;gap:2px}.geo-tooltip-model strong{color:#e9c77d;font-size:9px}.geo-tooltip-model em{color:#829f9c;font-style:normal;font-size:8px}.geo-tooltip-model{gap:8px}.geo-tooltip-model-heading{display:flex;align-items:center;justify-content:space-between;gap:8px}.geo-tooltip-model-heading em{color:#6f9290}.geo-tooltip-readouts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}.geo-tooltip-readouts>span{min-width:0;padding:7px 8px;background:#041c238a;display:grid;gap:3px}.geo-tooltip-readouts small{color:#7ca8a5;font-size:7px;letter-spacing:.04em}.geo-tooltip-readouts b{color:#f1f7f4;font:600 14px var(--sans)}.geo-tooltip-readouts b em{margin-left:3px;color:#77a29f;font-size:7px;font-weight:500}.geo-tooltip-model-link{padding-top:7px;border-top:1px solid rgba(225,185,100,.16);display:grid;gap:2px}.geo-tooltip-model-link strong{color:#e9c77d}.geo-tooltip-model-link em{color:#829f9c}.map-detail{margin-top:20px;padding:18px;border:1px solid rgba(129,195,190,.16);background:linear-gradient(145deg,#051c2499,#082730e6);transition:border-color .2s ease,box-shadow .2s ease}.map-detail:focus{outline:0}.map-detail:focus-visible{box-shadow:inset 0 0 0 1px #e1bd70;border-color:#e1bd708c}.map-detail-archive>span{color:#d4b169;font-size:9px;letter-spacing:.16em}.map-detail-archive>h2{margin:10px 0 8px}.map-detail-archive>p{margin:0 0 5px}.map-detail-visual{height:198px;margin-top:14px}.map-detail-visual:after{background:linear-gradient(180deg,transparent 62%,rgba(3,20,27,.7))}.map-detail-visual img{filter:brightness(1.22) saturate(1.08) contrast(1.04);transform:scale(1.015)}.map-learning-grid{display:grid;gap:6px;margin-top:13px}.map-learning-grid article{position:relative;display:grid;grid-template-columns:26px 72px 1fr;gap:7px;align-items:start;padding:10px;border:1px solid rgba(103,179,174,.13);background:#0a2f388f}.map-learning-grid article>small{color:#d8b66d;font:600 9px var(--serif)}.map-learning-grid article>strong{color:#cce1de;font-size:9px}.map-learning-grid article>p{margin:0;color:#91aaa7;font-size:10px;line-height:1.55}.map-detail-model{padding:12px}.map-detail-model>div:first-child{flex-wrap:wrap}.map-detail-model>div:first-child small{max-width:70%;text-align:right}.map-detail-model>p{margin:8px 0 0;color:#6f918f;font-size:8px}.map-detail-readouts>span{gap:5px}.map-detail-meter,.geo-tooltip-meter{display:block;height:3px;overflow:hidden;background:#74afab2e;font-style:normal}.map-detail-meter u,.geo-tooltip-meter u{display:block;width:var(--meter);height:100%;background:linear-gradient(90deg,#3fa9aa,#e5bd6b);text-decoration:none}.map-detail-knowledge .project-facts{margin-bottom:12px}.map-lab-link{min-height:44px;transition:background .2s ease,color .2s ease}.map-lab-link:hover,.map-lab-link:focus-visible{background:#c8a45e;color:#102a32}.map-index-heading{margin-top:30px}.map-project-index{max-height:320px}.geo-tooltip:has(.geo-tooltip-visual){width:344px;max-height:min(78vh,720px);overflow:auto}.geo-tooltip-visual{height:172px}.geo-tooltip-visual:after{background:linear-gradient(180deg,transparent 62%,rgba(3,20,27,.68))}.geo-tooltip-visual img{filter:brightness(1.22) saturate(1.08) contrast(1.04)}.geo-tooltip-copy{padding:14px 16px 16px;gap:8px}.geo-tooltip-copy>b{font-size:22px}.geo-tooltip-principle{padding:9px 10px;border:1px solid rgba(101,181,176,.16);background:#0930397a}.geo-tooltip-principle small{display:block;margin-bottom:4px;color:#d8b66d;font-size:8px}.geo-tooltip-principle p{margin:0;color:#b3c7c4;font-size:11px;line-height:1.55}.geo-tooltip-readouts>span{gap:5px}.geo-tooltip-readouts small{font-size:8px}.geo-tooltip-tags{margin-top:1px}.geo-tooltip-model-link strong{font-size:10px}.geo-tooltip-model-link em{font-size:8px;line-height:1.4}.search-page{min-height:calc(100vh - 76px);background:#0a2a35;color:#eaf6f3;padding:80px 0}.search-page h1{font:600 44px var(--serif);margin:0 0 35px}.search-form{height:66px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;background:#f1eee5;color:var(--text);padding-left:22px;max-width:920px}.search-form input{border:0;background:transparent;padding:0 16px;font-size:17px;outline:0}.search-form button{align-self:stretch;border:0;background:var(--bronze);padding:0 28px;font-weight:600;cursor:pointer}.result-count{color:#8da5a4;margin:30px 0}.search-suggestions{display:flex;gap:8px;align-items:center;margin-top:24px;color:#829f9d;font-size:11px}.search-suggestions button{border:1px solid rgba(255,255,255,.16);background:transparent;color:#b8cac8;padding:8px 12px;cursor:pointer}.search-results{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:30px}.search-results button{border:1px solid rgba(255,255,255,.13);background:#0d3440;color:#edf6f3;padding:24px;text-align:left;cursor:pointer;position:relative}.search-results button:hover{border-color:#51b1b3}.search-results span{color:#c8a65f;font-size:9px;letter-spacing:.14em}.search-results h2{font:600 22px var(--serif);margin:10px 0}.search-results p{color:#87a4a2;line-height:1.6;margin:0;padding-right:35px}.search-results .icon{position:absolute;right:20px;top:50%;color:#5cb6b8}.webgl-fallback{position:absolute;inset:0;display:grid;place-content:center;text-align:center;padding:40px;background:#09252f;color:#b9cecb}.webgl-fallback b{font:600 22px var(--serif)}.webgl-fallback p{max-width:430px;color:#789795}@media(max-width:1100px){.main-nav button{padding:0 9px;font-size:12px}.main-nav .icon{display:none}.brand{min-width:auto}.search-trigger span{display:none}.hero{grid-template-columns:1fr;padding-top:70px}.hero-copy{max-width:760px}.hero-visual{margin-top:30px;height:560px}.hero-model-frame{inset:0 0 88px}.hero-system-band{bottom:10px}.ancient-modern{gap:45px}.lab-page{grid-template-columns:210px 1fr}.lab-main{grid-template-columns:1fr}.scene-panel{min-height:560px}.control-panel{min-height:400px}.lab-workspace{padding:24px 20px}.principle-bar{grid-template-columns:90px 1fr}.principle-bar p{grid-column:2}.artifact-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.site-header{height:64px;padding:0 18px;-webkit-backdrop-filter:none;backdrop-filter:none}.brand b{font-size:15px}.brand small{display:none}.main-nav{position:fixed;left:0;right:0;bottom:0;height:62px;background:#071a24;z-index:80;justify-content:space-around;border-top:1px solid rgba(255,255,255,.12)}.main-nav button{flex:1;justify-content:center;flex-direction:column;gap:3px;font-size:9px}.main-nav .icon{display:block;width:17px}.main-nav button:nth-child(2){display:none}.main-nav button:after{top:0;bottom:auto}.search-trigger{margin-left:auto}.hero{min-height:auto;padding:70px 20px 105px}.hero h1{font-size:39px}.hero h1 em{font-size:clamp(22px,7.3vw,29px);letter-spacing:.01em}.hero-edition{margin-bottom:18px}.lead{font-size:14px}.hero-actions{flex-direction:column;align-items:stretch}.hero-stats{gap:14px}.hero-proof{gap:7px 12px}.hero-visual{height:430px;min-height:0}.hero-model-frame{inset:0 0 82px;clip-path:polygon(2% 5%,97% 0,100% 94%,5% 100%)}.model-callout{display:none}.hero-model-topline{left:5%;top:5%}.hero-model-topline>span{display:none}.hero-telemetry-rack{left:4%;right:4%;min-height:64px}.hero-telemetry-rack>span{padding:10px 8px}.hero-telemetry-rack b{font-size:13px}.water-level-card{display:none}.drag-tip{left:7%;bottom:88px}.hero-system-band{left:20px;right:20px;bottom:12px;justify-content:flex-start;overflow:hidden}.hero-system-band span:nth-of-type(n+3),.hero-system-band i:nth-of-type(n+3){display:none}.scene-caption{left:0;top:4%}.section-shell{padding-left:20px;padding-right:20px}.halls-section{padding-top:75px;padding-bottom:80px}.section-heading{display:block}.section-heading>p{margin-top:18px}.hall-grid{grid-template-columns:1fr 1fr}.hall-card{min-height:190px;padding:20px}.hall-title{font-size:21px}.experiment-strip{display:flex;overflow-x:auto;scroll-snap-type:x mandatory}.experiment-tile{min-width:82vw;scroll-snap-align:start}.ancient-modern{grid-template-columns:1fr;padding-top:75px;padding-bottom:85px}.comparison-visual{min-height:320px}.site-footer{padding-bottom:85px;display:block}.site-footer p{margin:18px 0}.hall-hero,.hall-hero-inner{height:auto;min-height:390px}.hall-hero-inner{grid-template-columns:90px 1fr;padding-top:70px;padding-bottom:50px}.giant-number{font-size:90px}.hall-hero h1{font-size:38px}.hall-switcher{grid-column:1/3;flex-direction:row}.knowledge-layout,.hall-bottom{grid-template-columns:1fr;gap:35px;padding-top:70px;padding-bottom:70px}.comparison-grid{grid-template-columns:1fr}.comparison-flow{transform:rotate(90deg);width:70px;margin:0 auto}.case-grid,.mini-artifacts{grid-template-columns:1fr}.lab-page{display:block;padding-bottom:62px}.lab-rail{display:none}.lab-workspace{padding:18px 14px}.mobile-lab-picker{display:block;position:sticky;top:64px;z-index:40;margin:-18px -14px 16px;border-bottom:1px solid rgba(255,255,255,.12);background:#092630;color:#e7f3f0}.mobile-lab-picker summary{min-height:58px;padding:10px 14px;display:grid;grid-template-columns:auto 1fr;align-items:center;gap:3px 10px;cursor:pointer;list-style:none}.mobile-lab-picker summary::-webkit-details-marker{display:none}.mobile-lab-picker summary>span{grid-row:1/3;color:#d9b66d;font-size:8px;letter-spacing:.12em}.mobile-lab-picker summary>b{font:600 14px var(--serif)}.mobile-lab-picker summary>small{color:#71928f;font-size:8px}.mobile-lab-picker nav{max-height:min(58vh,480px);overflow-y:auto;padding:8px 12px 14px;background:#061d26}.mobile-lab-picker nav>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}.mobile-lab-picker nav>div+div{margin-top:12px}.mobile-lab-picker nav>div>span{grid-column:1/-1;color:#c9a761;font-size:8px;letter-spacing:.12em;padding:4px 2px}.mobile-lab-picker button{min-height:49px;border:1px solid rgba(255,255,255,.1);background:#0b3039;color:#c1d3d0;padding:8px 9px;text-align:left;font:500 11px var(--serif)}.mobile-lab-picker button small{display:block;margin-top:4px;color:#668885;font:7px var(--sans);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mobile-lab-picker button[aria-current=page]{border-color:#d0aa61;background:#d0aa6121;color:#fff}.lab-header{display:block}.lab-header>p{margin-top:10px}.lab-main{display:block}.scene-panel{min-height:440px}.control-panel{min-height:0}.principle-bar{display:block}.principle-bar>*{display:block;margin-bottom:10px}.principle-bar p{margin:0}.scene-legend small{display:none}.scene-toolbar{right:10px;left:10px}.scene-toolbar>span{width:100%;margin-right:0}.camera-presets{display:none}.scene-toolbar button{min-height:40px}.lock-telemetry{grid-template-columns:repeat(2,1fr)}.artifact-grid{grid-template-columns:1fr}.catalog-hero h1{font-size:40px}.catalog-filters{overflow:auto}.catalog-filters>*{white-space:nowrap}.artifact-detail-hero{grid-template-columns:1fr;min-height:0}.artifact-detail-copy{padding:48px 20px}.artifact-detail-copy .crumb{margin-bottom:34px}.artifact-detail-copy h1{font-size:42px}.artifact-model-panel{min-height:440px}.artifact-model-toolbar{left:12px;right:12px;bottom:12px;flex-wrap:wrap}.artifact-model-toolbar small{order:3;width:100%;margin-left:0}.artifact-knowledge{grid-template-columns:1fr;gap:44px;padding-top:65px;padding-bottom:65px}.artifact-principle h2{font-size:34px}.artifact-structure{border-left:0;border-top:1px solid var(--line);padding:35px 0 0}.artifact-story-grid,.related-artifact-grid{grid-template-columns:1fr}.artifact-story article{border-left:0;border-top:1px solid rgba(255,255,255,.12);padding:26px 0}.artifact-story article:first-child{border-top:0}.artifact-related{padding-top:65px;padding-bottom:90px}.map-page{display:flex;flex-direction:column;padding-bottom:62px}.map-copy{padding:50px 20px}.china-map{order:-1;min-height:520px}.map-marker span{display:none}.search-page{padding:55px 0 100px}.search-page h1{font-size:34px}.search-form{height:58px}.search-results{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}@media(max-width:1100px)and (min-width:761px){.map-page{grid-template-columns:minmax(340px,.78fr) minmax(0,1.22fr)}.map-copy{padding-left:28px;padding-right:28px}.map-index-item small{display:none}.geo-map-controls{top:68px}}@media(max-width:760px){.china-map{position:relative;top:auto;height:640px;min-height:640px}.geo-map-heading{left:16px;top:18px}.geo-map-controls{left:16px;right:16px;top:64px;display:grid;grid-template-columns:repeat(4,1fr)}.geo-map-controls button{padding:7px 4px}.geo-map-waterways{left:16px;right:16px;top:108px;max-width:none}.map-legend{left:16px;right:16px;bottom:46px;justify-content:center}.map-legend small{display:none}.geo-map-source{left:16px;right:16px;bottom:20px;text-align:center}}@media(max-width:760px){.brand{gap:9px;min-width:0;padding-right:0}.brand-mark-frame{width:38px;height:38px;flex-basis:38px}.brand-mark{width:38px;height:38px}.brand-wordmark{padding-left:9px}.brand-wordmark b{font-size:15px;letter-spacing:.14em}.footer-brand .brand-mark-frame{width:34px;height:34px;flex-basis:34px}.footer-brand .brand-mark{width:34px;height:34px}}