:root{color-scheme:dark;--bg:#080909;--text:#f1eee7;--muted:#9b9c98;--accent:#eac396;font-family:Inter,"Helvetica Neue","Microsoft YaHei",sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:#61503e #080909}body{margin:0;background:var(--bg);color:var(--text)}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:7px}button{border:0;background:none}#universe,.vignette{position:fixed;inset:0;width:100%;height:100%;pointer-events:none}.vignette{background:linear-gradient(90deg,rgba(8,9,9,.72),transparent 65%),linear-gradient(0deg,rgba(8,9,9,.84),transparent 20%,transparent 82%,rgba(8,9,9,.3));z-index:1}.header{height:126px;padding:0 5.2%;position:fixed;inset:0 0 auto;display:flex;align-items:center;justify-content:space-between;z-index:5;background:linear-gradient(#080909b0,transparent)}.brand{display:flex;align-items:center;gap:15px;font-size:21px;letter-spacing:.17em;font-weight:500}.brand-mark{color:var(--accent);font-size:43px;font-weight:300;line-height:1}.brand small{display:block;font-size:10px;letter-spacing:.34em;margin-top:7px;color:#aaaaa3}.header nav{display:flex;align-items:center;gap:36px;font-size:14px;color:#bfc0b9}.header nav>a{transition:color .2s}.header nav>a:hover{color:var(--accent)}.tour{padding:12px 19px;border:1px solid #ffffff26;border-radius:3px;display:flex;align-items:center;gap:12px;font-size:14px;background:#0b0c0c66}.tour:hover{border-color:#caa77c}.play-icon{font-size:19px;color:var(--accent);line-height:1}main{position:relative;z-index:2}.chapter{height:100svh;min-height:680px;position:relative;display:flex;align-items:center;padding:70px 8.3% 90px;scroll-margin-top:0}.copy{width:610px;max-width:52%;will-change:opacity,transform}.eyebrow{font-size:11px;letter-spacing:.2em;color:var(--accent);display:flex;align-items:center;gap:12px;margin:0 0 28px}.fine-line{display:inline-block;width:28px;height:1px;background:var(--accent)}h1,h2{font-weight:400;font-size:clamp(42px,4.55vw,74px);line-height:1.3;letter-spacing:.015em;margin:0 0 29px;white-space:nowrap}.serif{font-family:"Noto Serif SC","Songti SC",SimSun,serif;font-weight:400;color:#f0dec5}.description{font-size:16px;line-height:2.05;color:#a9aaa6;letter-spacing:.06em;margin:0}.discover{display:inline-flex;align-items:center;gap:34px;font-size:14px;letter-spacing:.08em;margin-top:40px;padding-bottom:13px;border-bottom:1px solid #ffffff35}.discover span{font-size:22px;color:var(--accent);transition:transform .2s}.discover:hover span{transform:translateY(5px)}.scene-caption{position:absolute;left:66%;bottom:19%;font-family:"Noto Serif SC",SimSun,serif;font-size:13px;letter-spacing:.18em;color:#d0c0a690;white-space:nowrap;transform:translateX(-50%)}.chapter-nav{position:fixed;right:3.3%;top:50%;transform:translateY(-50%);z-index:6;display:flex;flex-direction:column;gap:14px}.chapter-nav a{display:flex;align-items:center;gap:13px;min-height:30px;min-width:44px;justify-content:flex-end}.chapter-nav span{font-size:11px;color:#888;opacity:0;transition:opacity .4s}.chapter-nav i{width:16px;height:1px;background:#666;transition:width .4s,background .4s}.chapter-nav a[aria-current] span,.chapter-nav a:hover span{opacity:1;color:var(--accent)}.chapter-nav a[aria-current] i{width:31px;background:var(--accent)}.statusbar{position:fixed;inset:auto 0 0;height:87px;display:flex;align-items:center;justify-content:space-between;padding:0 5.2%;z-index:5;font-size:11px;letter-spacing:.1em;color:#b0b0a8;background:linear-gradient(transparent,#080909bf)}.chapter-status{display:flex;align-items:center;gap:20px}.chapter-status>span:first-child{font-variant-numeric:tabular-nums;color:var(--accent)}.divider{height:12px;width:1px;background:#494a43}.scroll-hint{display:flex;align-items:center;gap:10px;font-size:12px;color:#83857f;position:absolute;left:50%;transform:translateX(-50%)}.mouse{height:19px;width:12px;border:1px solid #83857f;border-radius:8px;position:relative}.mouse:after{content:'';width:2px;height:4px;position:absolute;left:4px;top:4px;background:#b9b4a6}.statusbar button{display:flex;align-items:center;gap:9px;font-size:12px;padding:12px 0;min-width:85px;justify-content:flex-end}#motion-symbol{font-size:15px;color:var(--accent)}.progress-track{position:absolute;bottom:0;left:0;width:100%;height:2px;background:#ffffff08}#progress{height:100%;width:0;background:#dbad77;box-shadow:0 0 8px #c78c50}.capabilities{display:flex;gap:23px;align-items:center;margin-top:32px;font-size:14px;letter-spacing:.2em;color:#e3c6a5}.capabilities b{font-weight:300;color:#5e5649}.detail{border-left:1px solid #b48a55;padding-left:17px;margin-top:26px;font-size:14px;line-height:1.9;color:#c1b7a7}.research-label{display:inline-block;margin-top:26px;font-size:11px;letter-spacing:.12em;color:#888b83}.skip{position:fixed;top:-100px;left:15px;z-index:10;padding:12px;background:#111}.skip:focus{top:15px}
@media(min-width:1700px){.chapter{padding-left:12%}.copy{max-width:45%}}
@media(max-width:760px){.header{height:90px;padding:0 6%}.brand{font-size:17px;gap:9px}.brand-mark{font-size:32px}.brand small{font-size:8px;letter-spacing:.28em}.header nav{gap:15px}.header nav>a{display:none}.tour{font-size:12px;padding:10px 12px}.chapter{padding:130px 8% 120px;min-height:740px;align-items:flex-start}.copy{max-width:100%;width:100%}.eyebrow{font-size:9px;letter-spacing:.13em;margin-bottom:22px}h1,h2{font-size:clamp(34px,8.6vw,55px);margin-bottom:23px;line-height:1.38}.description{font-size:14px;letter-spacing:0;line-height:1.95}.discover{font-size:13px;margin-top:25px;gap:20px}.scene-caption{left:50%;bottom:16%;font-size:11px}.vignette{background:linear-gradient(180deg,#08090977,transparent 66%,#080909aa)}.chapter-nav{right:4%;top:59%;gap:9px}.chapter-nav a{min-height:35px}.chapter-nav a[aria-current] i{width:20px}.chapter-nav i{width:10px}.chapter-nav span{font-size:10px}.statusbar{height:70px;padding:0 6%;font-size:10px}.chapter-status{gap:11px}.scroll-hint{display:none}.statusbar button{font-size:11px}.detail{margin-top:18px;font-size:13px}.capabilities{margin-top:22px}.research-label{margin-top:20px}}
.replay{text-align:center}.replay span{display:block;margin-top:14px;color:#bbac96;font:12px "Microsoft YaHei",sans-serif;letter-spacing:.1em}.replay:hover span{color:var(--accent)}
@media(max-width:760px){.chapter{min-height:100svh;padding:108px 8% 95px}.eyebrow{margin-bottom:17px}h1,h2{font-size:clamp(30px,8.1vw,48px);margin-bottom:18px}.description{font-size:14px;line-height:1.9}.detail{margin-top:15px;font-size:12px;line-height:1.8}.research-label{margin-top:12px;font-size:10px}.capabilities{margin-top:17px;font-size:13px}.scene-caption{bottom:12%;font-size:10px}.replay span{margin-top:8px;font-size:11px}.chapter-nav{top:64%}.discover{margin-top:22px}.vignette{background:linear-gradient(180deg,#08090966,transparent 70%,#08090980)}}
@media(max-width:760px) and (max-height:650px){.chapter{min-height:650px;padding-top:95px}.eyebrow{font-size:8px}h1,h2{font-size:30px}.detail{display:none}.scene-caption{bottom:11%}}
:root{--accent:#9cdae9}
.serif{font-family:Inter,"Helvetica Neue","Microsoft YaHei",sans-serif;font-weight:300;color:#d9ecf1}
.scene-caption{font-family:Inter,"Microsoft YaHei",sans-serif;color:#9db4bd}
.brand-mark{color:#dfd8ca}.capabilities{color:#b9dbe3;gap:18px;letter-spacing:.08em}.detail{border-color:#70aebe}.fine-line{background:#82c6d8}.progress-track #progress{background:#88d2e5;box-shadow:0 0 8px #72b9d0}.chapter-status>span:first-child{color:#9cdae9}
.cinematic .chapter{pointer-events:none}
.cinematic .copy{position:fixed;left:8.3%;top:50%;width:610px;max-width:48%;transform:translateY(calc(-50% + var(--shift,0px)));pointer-events:auto}
.cinematic .scene-caption{position:fixed;pointer-events:auto}
.cinematic .copy[inert],.cinematic .scene-caption[inert]{pointer-events:none}
@media(min-width:1700px){.cinematic .copy{left:12%;max-width:43%}}
@media(max-width:760px){.cinematic .copy{left:8%;top:108px;width:84%;max-width:none;transform:translateY(var(--shift,0px))}.cinematic .scene-caption{bottom:12%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.statusbar{height:107px;padding-bottom:24px}
.icp-record{position:fixed;bottom:12px;left:50%;transform:translateX(-50%);z-index:7;color:#a9b4b8;font-size:12px;line-height:18px;letter-spacing:.04em;white-space:nowrap}
.icp-record:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
@media(max-width:760px){.statusbar{height:94px;padding-bottom:26px}.icp-record{bottom:10px}}