:root{--ink:#f1eee8;--muted:#a8b8c6;--copper:#e2b47b;--line:#bbcddd28;--navy:#07131e}*{box-sizing:border-box}html{scroll-behavior:auto}body{margin:0;background:var(--navy);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",sans-serif}button,a,input{-webkit-tap-highlight-color:transparent}button{color:inherit;font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--copper);outline-offset:5px}.skip{position:fixed;top:-100px;left:20px;z-index:100}.skip:focus{top:20px;background:var(--navy);padding:15px}header{height:90px;position:fixed;inset:0 0 auto;z-index:40;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;background:linear-gradient(#06121eeb,transparent)}.brand{display:flex;align-items:center;gap:13px;font-size:20px;letter-spacing:.12em}.brand svg{width:29px;fill:none;stroke:var(--copper);stroke-width:1.8}.brand small{display:block;font:8px/2.5 Consolas,monospace;letter-spacing:.22em;color:var(--muted)}.top-right{display:flex;gap:12px;align-items:center}.top-right>span{font-size:11px;color:var(--muted);margin-right:16px;letter-spacing:.12em}button{border:1px solid var(--line);background:#0c203075}.top-right button{border-radius:24px;padding:11px 18px;font-size:12px;min-height:44px}#play{border-color:#e2b47b77;color:var(--copper)}.sequence{height:600svh}.stage{position:sticky;top:0;height:100svh;isolation:isolate;overflow:hidden}.landscape{position:absolute;inset:-4%;width:108%;height:108%;object-fit:cover;z-index:-5;will-change:transform}.vignette{position:absolute;inset:0;z-index:-3;background:linear-gradient(90deg,#06121ff2 0%,#071521af 30%,#07121f20 64%),linear-gradient(0deg,#07131e 0%,transparent 27%,#07131e33 75%,#07131ecc)}.halo{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 70% 50%,#2e638329,transparent 57%);z-index:-2}.photo{position:absolute;width:min(65vw,1150px);right:1%;bottom:14%;will-change:transform,opacity;pointer-events:none}.photo img{width:100%;display:block;filter:drop-shadow(0 24px 12px #0008)}#viewport{position:absolute;left:31%;right:2%;top:8%;bottom:12%;cursor:grab;touch-action:pan-y}#viewport.dragging{cursor:grabbing}#world{width:100%;height:100%;display:block}.scan{position:absolute;width:2px;left:65%;top:18%;height:62%;background:#abedff;box-shadow:0 0 35px 9px #91cce86b;opacity:0;pointer-events:none}.ruler{position:absolute;right:6%;top:19%;bottom:24%;width:9px;opacity:.26;background:repeating-linear-gradient(to bottom,#b8d4df 0px,#b8d4df 1px,transparent 1px,transparent 12px);pointer-events:none}.narrative{position:absolute;left:7%;top:27%;width:42%;z-index:3;pointer-events:none}.chapter{position:absolute;inset:0 auto auto 0;width:100%;opacity:0;pointer-events:none;will-change:opacity,transform}.chapter.active{opacity:1;pointer-events:auto}.eyebrow{margin:0 0 25px;color:var(--copper);font-size:11px;letter-spacing:.17em;line-height:1.7}.eyebrow:before{content:'';display:inline-block;width:27px;height:1px;background:var(--copper);vertical-align:middle;margin-right:13px}h1,h2{font-weight:500;letter-spacing:-.05em;line-height:1.22;margin:0;font-size:clamp(34px,4.2vw,73px)}em{font-style:normal;color:var(--copper)}.lead{font-size:clamp(13px,1.1vw,17px);color:var(--muted);line-height:1.95;margin:27px 0 0;max-width:410px}.primary{display:inline-flex;gap:28px;align-items:center;margin-top:28px;background:var(--copper);color:#0a1a26;padding:16px 22px;border:0;font-size:13px;transition:transform .25s,background .25s}.primary:hover{transform:translateY(-3px);background:#f0cea1}.primary span{font-size:20px}.micro{color:var(--copper);font-size:11px;margin-top:28px;line-height:1.8}.part-controls{display:flex;flex-wrap:wrap;gap:9px;margin-top:27px;max-width:370px}.part-controls button{padding:11px 14px;font-size:11px;min-height:42px;border-bottom-color:#e2b47b88;transition:background .2s,transform .2s}.part-controls button:hover{background:#e2b47b22;transform:translateY(-2px)}.scene-nav{position:absolute;right:20px;top:32%;display:grid;gap:7px;z-index:8}.scene-nav button{font:11px Consolas,monospace;width:40px;height:40px;background:none;border:0;border-right:1px solid var(--line);color:var(--muted)}.scene-nav button[aria-current=true]{border-right:3px solid var(--copper);color:var(--copper)}.view-tools{position:absolute;right:9%;bottom:20%;display:flex;gap:8px;align-items:center;z-index:8}.view-tools span{font-size:10px;letter-spacing:.1em;color:#91aabb;margin-right:10px}.view-tools button{padding:9px 12px;font-size:11px;min-height:40px;background:#0a1b2bd9;backdrop-filter:blur(12px)}.view-tools button:hover,.view-tools button[aria-pressed=true]{border-color:var(--copper);color:var(--copper)}.transport{position:absolute;bottom:4%;left:7%;right:7%;z-index:10}.transport-meta{display:flex;justify-content:space-between;font:11px/1.8 Consolas,"Microsoft YaHei",monospace;color:var(--muted);margin-bottom:10px}.transport-meta b{font-weight:400;color:var(--copper)}.hint{margin-left:20px;font-size:10px}#live-dot{display:inline-block;border-radius:50%;width:5px;height:5px;background:var(--copper);margin-right:9px;box-shadow:0 0 10px #e2b47b}.scrub-label{font-size:0;display:block}input[type=range]{appearance:none;width:100%;height:3px;display:block;margin:12px 0 16px;background:linear-gradient(to right,var(--copper) var(--progress,0%),#a6c2d42b var(--progress,0%));cursor:pointer}input[type=range]::-webkit-slider-thumb{appearance:none;width:12px;height:12px;border-radius:50%;background:#ffe4bf;box-shadow:0 0 15px #ffc17688}input[type=range]::-moz-range-thumb{width:12px;height:12px;border:0;border-radius:50%;background:#ffe4bf}.chapter-titles{display:flex;justify-content:space-between;gap:12px}.chapter-titles button{border:0;background:none;padding:5px 0;font-size:11px;color:#99acba}.chapter-titles button.current{color:var(--copper)}.concept{position:absolute;right:9%;bottom:15%;color:#8d9eaa;font-size:9px;letter-spacing:.1em}.project-labels{position:absolute;inset:0;pointer-events:none;z-index:7}.project-labels button{position:absolute;opacity:0;transform:translate(-50%,-50%);padding:10px 14px;font-size:11px;white-space:nowrap;color:#f1d1a8;border:1px solid #e2b47b77;background:#071622db;backdrop-filter:blur(10px);transition:background .2s}.project-labels button:hover{background:#26394bea}#tooltip{position:absolute;z-index:25;width:270px;background:#081a29f2;border:1px solid #e2b47b90;padding:18px 20px;box-shadow:0 15px 50px #0007;pointer-events:none;opacity:0;transition:opacity .16s;backdrop-filter:blur(16px)}#tooltip.show{opacity:1}#tooltip small{display:block;color:var(--copper);font:9px Consolas,monospace;letter-spacing:.14em}#tooltip strong{display:block;font-weight:500;font-size:18px;margin:10px 0}#tooltip p{font-size:12px;color:#b7c4cf;line-height:1.8;margin:0}#tooltip span{display:block;color:var(--copper);font-size:10px;margin-top:15px}#fallback{position:absolute;right:8%;bottom:25%;max-width:260px;font-size:12px;color:var(--copper);line-height:1.8}.insight{padding:130px 9vw;max-width:1500px;margin:auto}.insight h2{font-size:clamp(34px,4vw,64px)}.section-intro{max-width:570px;color:var(--muted);font-size:15px;line-height:1.9;margin:30px 0 65px}.insight-list{border-top:1px solid var(--line)}.insight-row{display:grid;grid-template-columns:80px 1fr 35px;gap:15px;text-align:left;width:100%;padding:30px 0;border:0;border-bottom:1px solid var(--line);background:none;transition:background .3s,padding .3s}.insight-row:hover{background:#c6dded05;padding-left:18px;padding-right:18px}.num{font:14px Consolas,monospace;color:var(--copper);padding-top:4px}.insight-row strong{font-size:24px;font-weight:400;display:block}.insight-row small{color:var(--muted);display:block;font-size:13px;margin-top:12px;line-height:1.7}.insight-row i{font-style:normal;font-size:28px;color:var(--copper);transition:transform .3s}.insight-row[aria-expanded=true] i{transform:rotate(90deg)}.extra{display:none;max-width:750px;margin-top:23px;line-height:1.9;color:#c3cfd8;font-size:14px}.insight-row[aria-expanded=true] .extra{display:block}footer{padding:35px 7%;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:11px;line-height:1.9}dialog{position:fixed;margin:0 0 0 auto;inset:0;width:min(440px,100%);max-height:none;height:100%;border:0;border-left:1px solid var(--line);color:var(--ink);background:#0b1c2b;padding:110px 38px 35px;box-shadow:-30px 0 100px #0008}dialog::backdrop{background:#03101b80;backdrop-filter:blur(5px)}dialog h2{font-size:34px}#close{position:absolute;right:25px;top:25px;width:44px;height:44px;border-radius:50%;font-size:24px}#detail-summary{line-height:1.95;color:#bbcad5;font-size:15px;margin:25px 0}#detail-list{padding-left:18px;font-size:14px;line-height:1.8}#detail-list li{padding:12px 0;border-bottom:1px solid var(--line)}.detail-note{font-size:11px;color:var(--muted);line-height:1.8;margin-top:30px}body.no-motion *,body.no-motion *:before{animation:none!important;transition:none!important}body.no-motion .scan{display:none}
@media(max-width:760px){header{height:77px;padding:0 5%}.brand{font-size:16px;gap:9px}.brand svg{width:22px}.brand small{font-size:7px}.top-right{gap:7px}.top-right>span{display:none}.top-right button{font-size:10px;padding:8px 10px}#motion{display:none}.sequence{height:510svh}.narrative{top:16%;left:7%;width:86%}h1,h2{font-size:clamp(29px,7.5vw,46px);line-height:1.18}.eyebrow{font-size:9px;margin-bottom:14px}.lead{font-size:12px;margin-top:15px;line-height:1.75;max-width:300px}.primary{padding:11px 15px;margin-top:17px;font-size:11px;gap:18px}.photo{width:95vw;right:-5%;bottom:17%;max-height:47%;}.photo img{max-height:45svh;object-fit:contain}.vignette{background:linear-gradient(180deg,#06121fcc 0%,#07131e66 40%,#07131e11 55%,#07131eee 87%),linear-gradient(90deg,#07131e66,transparent)}#viewport{left:0;right:0;top:37%;bottom:16%}.ruler{display:none}.scene-nav{right:4px;top:47%;gap:0}.scene-nav button{width:27px;height:34px;font-size:9px}.view-tools{right:8%;bottom:18%;gap:6px}.view-tools span{display:none}.view-tools button{min-height:35px;font-size:10px;padding:7px 10px}.transport{bottom:3%;left:7%;right:7%}.hint{display:none}.transport-meta{font-size:10px}.chapter-titles{gap:4px}.chapter-titles button{font-size:9px}.concept{font-size:8px;right:8%;bottom:13%;}.micro{font-size:10px;margin-top:17px}.part-controls{gap:6px;margin-top:16px;max-width:100%}.part-controls button{padding:7px 10px;min-height:33px;font-size:10px}#tooltip{width:230px;padding:14px 16px}.project-labels button{font-size:9px;padding:7px 9px}.insight{padding:85px 7%}.section-intro{font-size:13px;margin-bottom:40px}.insight-row{grid-template-columns:35px 1fr 23px;padding:23px 0;gap:10px}.insight-row strong{font-size:19px}.insight-row small{font-size:12px}.insight-row i{font-size:23px}.extra{font-size:12px}footer{font-size:10px;flex-wrap:wrap}.scan{top:40%;height:40%}}
@media(max-height:700px) and (min-width:761px){.narrative{top:23%}h1,h2{font-size:43px}.lead{margin-top:18px;font-size:13px}.eyebrow{margin-bottom:18px}.primary{margin-top:19px;padding:12px 18px}.part-controls{margin-top:18px}}
@media(prefers-reduced-motion:reduce){*,*:before{animation:none!important;transition:none!important}}