:root{color-scheme:dark;--paper:#f3f1e8;--muted:#b6c0ca;--gold:#e9bd85;--nav:100px;--bg:#061326;font-family:Inter,'Segoe UI','Microsoft YaHei',sans-serif;font-synthesis:none;background:var(--bg);color:var(--paper)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-color:#61718a #061326}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:6px}.skip{position:fixed;top:-80px;left:20px;z-index:50;background:#faf8ed;color:#10203a;padding:12px}.skip:focus{top:16px}
.stage{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;background:#061326}.stage img,.stage video,.stage canvas{position:absolute;width:100%;height:100%;object-fit:cover;object-position:60% center}.stage video{opacity:0}.stage video.show{opacity:1}.shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,12,26,.76) 0%,rgba(3,12,26,.46) 25%,transparent 55%),linear-gradient(0deg,rgba(3,12,26,.65),transparent 18%,transparent 85%,rgba(3,12,26,.25))}
.masthead{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:27px 42px;z-index:8;pointer-events:none}.masthead a,.masthead button{pointer-events:auto}.brand{display:flex;align-items:center;gap:12px;white-space:nowrap}.brand-mark{display:block;flex:none;width:40px;height:40px;color:var(--gold)}.brand-copy{display:flex;flex-direction:column;gap:4px}.brand-wordmark{display:flex;align-items:baseline;gap:7px;font-size:16px;line-height:1.1;font-weight:500;letter-spacing:.08em}.brand-code{color:var(--gold);font:10px/1 ui-monospace,monospace;letter-spacing:.04em}.brand-caption{font-size:11px;line-height:1.4;letter-spacing:.1em;color:var(--muted)}.quiet-button{border:1px solid #ffffff28;background:#09172b44;color:#dedfdc;padding:9px 15px;border-radius:100px;font-size:13px;backdrop-filter:blur(8px)}.quiet-button[aria-pressed=true]{color:var(--gold);border-color:#e9bd8566}
.rail{position:fixed;left:31px;top:50%;transform:translateY(-50%);z-index:9;display:flex;flex-direction:column;gap:9px;width:99px}.rail a{display:flex;align-items:center;gap:12px;min-height:44px;opacity:.47;transition:opacity .3s;color:#fff}.rail a:hover,.rail a[aria-current]{opacity:1}.rail-no{font:12px ui-monospace,monospace;letter-spacing:.06em}.rail-label{font-size:14px;letter-spacing:.15em}.rail a[aria-current] .rail-no{color:var(--gold)}.rail a[aria-current]::after{content:'';width:4px;height:4px;border-radius:50%;background:var(--gold);margin-left:2px}.rail-line{width:1px;height:60px;background:#ffffff24;margin:14px 0 0 8px}
.chapter{position:relative;min-height:150svh;padding:0 10vw 0 clamp(170px,13vw,260px);display:flex;align-items:flex-start}.home{min-height:160svh}.copy{position:sticky;top:29svh;width:clamp(330px,37vw,640px);padding-bottom:9vh;opacity:.22;filter:blur(1px);transition:opacity .5s,filter .5s,transform .5s;transform:translateY(16px)}.chapter.active .copy{opacity:1;filter:none;transform:none}.eyebrow{font-size:12px;letter-spacing:.23em;color:var(--gold);font-weight:500;margin:0 0 26px}.copy h1,.copy h2{font-family:'STSong','SimSun',Georgia,serif;font-weight:400;font-size:clamp(42px,4.3vw,74px);line-height:1.32;letter-spacing:.04em;margin:0 0 26px;text-shadow:0 3px 20px #06132630}.copy h1 span,.copy h2 span{color:var(--gold)}.intro{font-size:16px;line-height:1.95;letter-spacing:.04em;color:#cad0d4;margin:0}.enter{display:flex;gap:17px;align-items:center;margin-top:44px;width:max-content;max-width:100%;font-size:16px}.enter-arrow{border:1px solid #e9bd8555;width:49px;height:49px;border-radius:50%;display:grid;place-items:center;color:var(--gold);font-size:23px;transition:transform .3s}.enter:hover .enter-arrow{transform:translateY(5px)}.enter small{display:block;font-size:12px;color:#a9b5c2;letter-spacing:.02em;margin-top:8px}.chapter-footer{position:absolute;left:clamp(170px,13vw,260px);top:90svh;color:#9aaabf;font:11px ui-monospace,monospace;letter-spacing:.15em}.explore{color:#f5f1e8;border:0;border-bottom:1px solid #e9bd8566;background:none;padding:12px 0;font-size:16px;margin-top:27px;display:flex;gap:56px}.explore span{color:var(--gold);transition:transform .25s}.explore:hover span{transform:translate(3px,-3px)}.section-notes{margin-top:23px;color:#9dabbc;font-size:13px;letter-spacing:.12em}
.bottom-line{position:fixed;bottom:25px;left:42px;right:42px;display:flex;align-items:center;justify-content:space-between;pointer-events:none;z-index:7;font:11px ui-monospace,monospace;color:#b0bccb;letter-spacing:.12em}.scroll-hint{display:flex;gap:14px}.scroll-hint span{color:var(--gold)}
dialog{color:var(--paper);width:min(850px,calc(100% - 40px));max-height:84svh;border:1px solid #ffffff26;border-radius:18px;background:#0a1a2bfa;padding:32px;box-shadow:0 30px 120px #0007}dialog::backdrop{background:#0008;backdrop-filter:blur(10px)}.dialog-top{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.dialog-top .eyebrow{margin-bottom:10px}.dialog-top h2{font-size:30px;font-weight:500;margin:0 0 26px}.close{border:1px solid #ffffff25;border-radius:50%;width:40px;height:40px;background:none;color:var(--paper);font-size:26px}.search{border-bottom:1px solid #ffffff33;display:flex;align-items:center;gap:12px;padding:9px 0}.search span{font-size:26px;color:var(--gold)}.search input{border:0;background:transparent;width:100%;color:white;padding:9px 0;font-size:16px;outline-offset:3px}.filters{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0}.filters button{border:1px solid #ffffff25;border-radius:99px;padding:8px 16px;font-size:14px;background:none;color:#c7d1dc}.filters button.active{border-color:#e9bd8570;color:var(--gold);background:#e9bd8510}.results{min-height:200px}.empty{padding:55px 12px;text-align:center;color:#a9b8c8;line-height:1.8}.empty strong{color:#ecede6;display:block;font-size:19px;font-weight:400;margin-bottom:8px}.notice{position:fixed;bottom:70px;left:50%;transform:translate(-50%,20px);background:#122940f2;border:1px solid #ffffff25;border-radius:99px;padding:12px 24px;z-index:30;opacity:0;transition:.2s;pointer-events:none;font-size:14px}.notice.visible{opacity:1;transform:translate(-50%,0)}
.object-links{position:fixed;inset:0;z-index:5;pointer-events:none}.object-links[hidden]{display:none}.object-links button{position:absolute;transform:translate(-50%,-50%);width:110px;height:110px;background:transparent;border:0;border-radius:50%;pointer-events:auto;color:var(--gold)}.object-links button span{display:block;position:absolute;top:100%;left:50%;transform:translateX(-50%);white-space:nowrap;background:#091b2be8;border:1px solid #e9bd8544;padding:8px 13px;border-radius:30px;font-size:13px;opacity:0;transition:opacity .2s}.object-links button:hover span,.object-links button:focus-visible span{opacity:1}.object-links button:hover{box-shadow:0 0 30px #e9bd8520}.stage.jump::after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(110deg,transparent,#cae4ff33,transparent);animation:pass .42s ease-out forwards}@keyframes pass{from{opacity:.6;transform:translateX(-70%)}to{opacity:0;transform:translateX(70%)}}.record{padding:18px 0;border-bottom:1px solid #ffffff1c}.record h3{font-weight:500;margin:0 0 9px;font-size:19px}.record p{color:#bac5d0;line-height:1.8}.record-tags,.record small{font-size:13px;color:var(--gold)}
@media(min-aspect-ratio:19/10){.stage img,.stage video,.stage canvas{object-fit:contain}.copy{top:25svh}}
@media(max-width:900px){:root{--nav:72px}.masthead{padding:23px 24px}.brand{font-size:12px;gap:10px}.rail{left:21px;width:64px}.rail a{gap:7px}.rail-label{font-size:13px}.rail-no{font-size:10px}.chapter{padding-left:112px}.copy{width:43vw}.copy h1,.copy h2{font-size:42px}.intro{font-size:15px}.stage img,.stage video,.stage canvas{object-position:61% center}.chapter-footer{left:112px}.bottom-line{left:24px;right:24px}.scroll-hint{display:none}}
@media(max-width:600px){.masthead{padding:20px}.brand{gap:8px}.brand-mark{width:36px;height:36px}.brand-wordmark{font-size:15px;gap:6px}.brand-caption{font-size:10px;letter-spacing:.04em}.quiet-button{font-size:12px;padding:8px 11px}.rail{top:auto;bottom:18px;left:16px;right:16px;width:auto;transform:none;flex-direction:row;justify-content:space-around;background:#091b2def;border:1px solid #ffffff20;border-radius:18px;padding:8px 3px;backdrop-filter:blur(16px);gap:0}.rail a{flex-direction:column;gap:5px;min-width:49px;min-height:45px;justify-content:center}.rail a[aria-current]::after,.rail-line{display:none}.rail-label{font-size:12px}.rail-no{font-size:10px}.bottom-line{display:none}.stage img,.stage video,.stage canvas{height:77svh;top:2svh;width:160vw;max-width:none;left:-50vw;object-fit:cover;object-position:71% center}.shade{background:linear-gradient(0deg,#061326 7%,#061326f0 18%,#06132655 40%,transparent 66%)}.chapter,.home{min-height:140svh;padding:0 25px}.copy{top:54svh;width:100%;padding-bottom:20vh}.copy h1,.copy h2{font-size:36px;line-height:1.25;margin-bottom:14px}.eyebrow{font-size:10px;margin-bottom:14px;letter-spacing:.17em}.intro{font-size:14px;line-height:1.7}.intro br{display:none}.enter{margin-top:21px;font-size:15px;gap:12px}.enter-arrow{width:38px;height:38px;font-size:20px}.enter small{font-size:11px;margin-top:5px}.chapter-footer{display:none}.explore{margin-top:13px;padding:9px 0;font-size:15px}.section-notes{font-size:11px;margin-top:12px;letter-spacing:.06em}dialog{padding:23px;width:calc(100% - 24px)}.dialog-top h2{font-size:26px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

.stage canvas{opacity:0}.stage canvas.show{opacity:1}
.home{touch-action:pan-y}

.site-footer{position:relative;z-index:10;padding:15px 24px;background:var(--bg);color:#9ca9b7;text-align:center;font-size:12px;line-height:20px}
.site-footer a:hover{color:var(--paper)}
@media(max-width:600px){.site-footer{padding:12px 20px 94px;background:transparent;line-height:18px;pointer-events:none}.site-footer a{display:inline-block;padding:0 4px;background:var(--bg);pointer-events:auto}}

/* The cinematic frames keep their original composition; section copy sits below it. */
.stage img,.stage video,.stage canvas{object-fit:contain;object-position:50% center}
.shade{background:linear-gradient(0deg,rgba(3,9,19,.94),rgba(3,9,19,.3) 20%,transparent 38%),linear-gradient(180deg,rgba(3,9,19,.35),transparent 15%)}
body[data-chapter=home] .shade{background:linear-gradient(90deg,rgba(3,9,19,.45),transparent 48%),linear-gradient(0deg,rgba(3,9,19,.55),transparent 22%)}
.chapter,.home{min-height:100svh}
.copy{position:fixed;top:auto;bottom:74px;left:clamp(140px,11vw,210px);right:44px;width:auto;padding:0;visibility:hidden;opacity:0;filter:none;transform:none;pointer-events:none;transition:opacity .22s}
.chapter.active .copy{visibility:visible;pointer-events:auto}
.chapter:not(.home) .copy h2{font-size:clamp(27px,2.6vw,42px);line-height:1.25;margin:0 0 9px;letter-spacing:.025em}
.chapter:not(.home) .copy h2 br{display:none}
.chapter:not(.home) .copy .eyebrow{font-size:13px;margin:0 0 12px}
.chapter:not(.home) .copy .intro{display:none}
.chapter:not(.home) .copy .section-notes{margin:0;font-size:14px;letter-spacing:.06em}
.chapter:not(.home) .copy .explore{position:absolute;right:0;bottom:5px;margin:0;padding:13px 0;gap:34px;font-size:16px}
.home .copy{top:27svh;bottom:auto;right:auto;left:clamp(150px,12vw,230px);width:33vw}
.home .copy h1{font-size:clamp(38px,4vw,68px)}
.home .eyebrow{font-size:13px;letter-spacing:.15em}
.home .intro br{display:initial}
.home .enter small{font-size:14px}
.chapter-footer{display:none}
.motion-busy .copy{opacity:0!important;pointer-events:none!important}
.rail{padding:12px 7px;border-radius:12px;background:linear-gradient(90deg,#08152755,transparent)}
.object-links button{border-radius:14px;min-width:44px;min-height:44px}
.object-links button span{font-size:14px;top:auto;bottom:100%;margin-bottom:8px}
.object-links button:hover{outline:1px solid #e9bd8544;outline-offset:3px;box-shadow:0 0 26px #e9bd8520}
.bottom-line{font-size:12px}
@media(min-aspect-ratio:19/10){.stage img,.stage video,.stage canvas{object-fit:contain}}
@media(max-width:900px) and (min-width:601px){.copy{left:112px;right:28px}.home .copy{left:112px;width:37vw}.home .copy h1{font-size:40px}.home .intro{font-size:15px}.chapter:not(.home) .copy h2{font-size:28px}.chapter:not(.home) .copy .explore{font-size:14px;gap:16px}}
@media(max-width:600px){
 .stage img,.stage video,.stage canvas{left:0;top:8svh;width:100%;height:55svh;object-fit:contain;object-position:center}
 .shade,body[data-chapter=home] .shade{background:linear-gradient(0deg,#061326 5%,transparent 44%)}
 .copy{left:24px;right:24px;bottom:116px;top:auto;width:auto}
 .home .copy{left:24px;right:24px;top:55svh;bottom:auto;width:auto}
 .home .copy h1{font-size:32px;line-height:1.24;margin-bottom:12px}
 .home .copy h1 br{display:initial}.home .eyebrow{font-size:12px;margin-bottom:12px}
 .home .intro{font-size:15px;line-height:1.7}.home .enter{margin-top:17px}.home .enter small{font-size:12px}
 .chapter:not(.home) .copy h2{font-size:30px;margin-bottom:14px}
 .chapter:not(.home) .copy .eyebrow{font-size:12px}
 .chapter:not(.home) .copy .explore{position:static;margin:12px 0 14px;width:max-content;font-size:16px}
 .chapter:not(.home) .copy .section-notes{font-size:13px}
 .rail{background:#091b2def}.rail-label{font-size:13px}.quiet-button{font-size:13px}
 .object-links button span{font-size:12px;padding:6px 9px}
}