:root{color-scheme:dark;--bg:#101910;--panel:#182318;--line:#33422e;--ink:#eff3e7;--muted:#adb8a3;--lime:#c8ff52;font-family:"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:28px}
body{margin:0;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.65}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation}
button,a{-webkit-tap-highlight-color:transparent}
button:disabled{cursor:default;opacity:.5}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:5px}
h1,h2,h3,p{margin:0}
h1,h2,h3{line-height:1.14;letter-spacing:-.045em}
.shell{width:min(1240px,calc(100% - 80px));margin-inline:auto}
.header{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:96px;border-bottom:1px solid var(--line)}
.wordmark{display:flex;align-items:center;gap:9px;font-size:28px;font-weight:750;letter-spacing:-1.3px}
.brand-tag{font:9px/1.5 "SFMono-Regular",Consolas,monospace;letter-spacing:.12em;color:var(--muted);padding-left:16px;margin-left:10px;border-left:1px solid var(--line)}
.header nav{display:flex;gap:30px;color:var(--muted);font-size:14px}
.header nav a{display:inline-flex;align-items:center;min-height:44px}
.header nav a:hover{color:var(--lime)}
.languages{display:flex;border:1px solid var(--line);border-radius:30px;padding:3px;gap:1px}
.languages button{min-height:44px;min-width:43px;border:0;border-radius:24px;background:transparent;padding:5px 10px;font-size:12px}
.languages button[aria-pressed=true]{background:var(--lime);color:var(--bg)}
.skip{position:absolute;top:-100px;left:20px;z-index:10;background:var(--lime);color:var(--bg);padding:10px}
.skip:focus{top:10px}
.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:60px;padding-block:54px 56px}
.eyebrow{display:flex;align-items:center;gap:9px;font-size:11px;font-weight:600;letter-spacing:.13em}
.status-dot,.small-dot{display:inline-block;flex-shrink:0;width:6px;height:6px;border-radius:50%;background:var(--lime)}
.hero-copy>.eyebrow{color:var(--lime)}
h1{font-size:clamp(84px,8.9vw,128px);font-weight:650;line-height:.92;letter-spacing:-.075em;margin:25px 0 24px}
h1 span{color:var(--lime)}
.lead{font-size:clamp(21px,2.1vw,27px);font-weight:600;letter-spacing:-.025em;margin-bottom:13px}
.hero-description{color:var(--muted);font-size:16px;line-height:1.9;max-width:445px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}
.button{min-height:50px;display:inline-flex;align-items:center;justify-content:center;gap:25px;padding:12px 21px;border:1px solid transparent;border-radius:5px;font-weight:650;font-size:14px;transition:background .15s,border-color .15s}
.primary{background:var(--lime);color:#15200d}
.primary:hover{background:#d9ff8e}
.secondary{border-color:#48533e}
.secondary:hover{border-color:var(--lime);background:#25301c}
.quiet{display:flex;align-items:flex-start;gap:8px;max-width:435px;font-size:11px;color:var(--muted);margin-top:20px;line-height:1.7}
.small-dot{width:4px;height:4px;background:#9ba68e;margin-top:7px}
.rig-display{min-width:0;position:relative;padding:23px;background:radial-gradient(ellipse at 50% 29%,#2f4226 0,#1a2818 55%,#172115 100%);border:1px solid #425638;border-radius:12px;overflow:hidden}
.display-top{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:10px;letter-spacing:.1em;color:#c2cfae}
.display-top>span:first-child{display:flex;align-items:center;gap:8px}
.serial{font-family:"SFMono-Regular",Consolas,monospace;font-size:11px}
.scene{--accent:#e0e6d9;position:relative;height:334px;perspective:800px;display:flex;justify-content:center;align-items:center}
.halo{position:absolute;width:270px;height:270px;border:1px solid #63834544;border-radius:50%;box-shadow:0 0 0 35px #7390450c,0 0 0 70px #73904508}
.floor{position:absolute;width:230px;height:45px;background:#0006;filter:blur(13px);border-radius:50%;bottom:20px}
.rig{width:184px;height:232px;transform-style:preserve-3d;position:relative;transform:rotateX(-13deg) rotateY(-28deg);animation:turn 22s linear infinite}
.face{position:absolute;backface-visibility:hidden;border:2px solid var(--accent);background:#19221c}
.front,.back{width:184px;height:232px}
.front{transform:translateZ(58px);padding:13px 12px}
.back{transform:rotateY(180deg) translateZ(58px);padding:26px 18px;display:grid;align-content:space-between}
.left,.right{width:116px;height:232px;left:34px}
.left{transform:rotateY(-90deg) translateZ(92px);background:linear-gradient(90deg,#19221c,#35402f,#19221c)}
.right{transform:rotateY(90deg) translateZ(92px);padding:25px 15px}
.right b{display:block;text-align:center;font-size:55px;color:var(--accent);line-height:1.3}
.top,.bottom{width:184px;height:116px;top:58px}
.top{transform:rotateX(90deg) translateZ(116px);background:repeating-linear-gradient(90deg,#151d16 0 7px,#516149 7px 9px)}
.bottom{transform:rotateX(-90deg) translateZ(116px);background:#111a13}
.rig-label{display:flex;justify-content:space-between;font-size:13px;font-weight:700;color:var(--accent)}
.rig-label span{font-size:7px;letter-spacing:1px;align-self:center}
.slots{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:15px}
.slots span{height:43px;display:flex;align-items:center;justify-content:center;position:relative;font-size:7px;letter-spacing:1px;border:1px solid #728668;background:repeating-linear-gradient(0deg,#243523 0 4px,#2b3e29 4px 5px);color:#e7f0df}
.slots i{position:absolute;right:4px;top:4px;width:3px;height:3px;background:var(--accent);box-shadow:0 0 7px var(--accent)}
.rig-base{margin-top:12px;font-size:7px;letter-spacing:2px;border-top:1px solid #465540;padding-top:7px}
.vents{height:70px;margin-top:15px;background:repeating-linear-gradient(0deg,#0b130c 0 5px,#384632 5px 7px);border:1px solid #455a3e}
.back small{font-size:7px;letter-spacing:1px}
.back b{color:var(--accent);font-size:22px}
.pipes{height:170px;margin:28px 22px;border:6px double #739064;border-radius:22px;box-shadow:9px 0 0 #0d180e}
.scene[data-skin=pulse]{--accent:#70d3ff}
.scene[data-skin=pulse] .front{border-width:5px}
.scene[data-skin=pulse] .pipes{border-color:var(--accent);border-radius:36px}
.scene[data-skin=nexus]{--accent:#c3a0ff}
.scene[data-skin=nexus] .face{border-width:5px;background-color:#272032}
.scene[data-skin=nexus] .left,.scene[data-skin=nexus] .right{box-shadow:inset 0 0 0 8px #65517f}
.scene[data-skin=solar]{--accent:#f5cc73}
.scene[data-skin=solar] .front{border-width:5px;border-radius:8px}
.scene[data-skin=solar] .top{box-shadow:0 -7px 0 #836f40,0 -12px 0 #171b14}
.scene[data-skin=solar] .pipes{border-color:var(--accent)}
.rig-caption{display:flex;align-items:center;justify-content:space-between;gap:15px}
.rig-caption .eyebrow{font-size:9px;color:var(--muted)}
.rig-caption h2{font-size:35px;letter-spacing:-.03em;margin-top:7px}
.motion{background:transparent;border:1px solid #516348;border-radius:30px;font-size:11px;min-height:40px;padding:8px 13px}
.skins{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:23px}
.skins button{min-height:42px;padding:9px 2px;font-size:10px;border:1px solid #4a5c40;border-radius:4px;background:#162214}
.skins button[aria-pressed=true]{background:var(--lime);color:var(--bg);border-color:var(--lime)}
.rig-note{font-size:10px;line-height:1.7;color:var(--muted);margin-top:14px}

/* 保留已验收的六面几何，调大展台与控制区。 */
.scene{height:340px}
.rig{scale:1.13}
.halo{width:285px;height:285px;box-shadow:0 0 0 34px #7294430b,0 0 0 68px #72944308}
.scene-coordinate{position:absolute;font:8px/1.5 "SFMono-Regular",Consolas,monospace;letter-spacing:.14em;color:#a0b486;z-index:0}
.coord-top{left:0;top:27px;writing-mode:vertical-rl}
.coord-bottom{right:0;bottom:22px}
.rig-caption{padding-top:5px}
.rig-caption .eyebrow{font-size:9px}
.rig-caption h2{font-size:39px;letter-spacing:-.035em;margin-top:7px}
.motion{min-height:44px;font-size:11px;padding:9px 15px}
.motion:hover{border-color:#b5d092}
.skins{margin-top:17px;gap:7px}
.skins button{display:flex;align-items:center;justify-content:center;gap:7px;min-height:45px;padding:8px 3px;font-size:10px;background:#172313}
.skins button[aria-pressed=true]{background:#314323;border-color:#b5d878;color:var(--ink)}
.swatch{width:5px;height:5px;flex-shrink:0;border-radius:50%}
.swatch.proto{background:#dfe6d7}.swatch.pulse{background:#70d3ff}.swatch.nexus{background:#c3a0ff}.swatch.solar{background:#f5cc73}
.rig-note{margin-top:12px;font-size:10px;line-height:1.8;color:#b2c09f}
.scene[data-paused=true] .rig,.scene[data-background=true] .rig{animation-play-state:paused}
@keyframes turn{from{transform:rotateX(-13deg) rotateY(-28deg)}to{transform:rotateX(-13deg) rotateY(332deg)}}
@supports not (transform-style:preserve-3d){.rig{animation:none;transform:none}.face:not(.front){display:none}.front{transform:none}}
@media(max-width:1100px) and (min-width:761px){.scene{height:328px}.rig{scale:1.02}.rig-caption h2{font-size:35px}.skins button{font-size:9px;gap:4px}.skins{gap:5px}.coord-top{display:none}}
@media(max-width:760px){.scene{height:317px}.rig{scale:1.04}.halo{width:260px;height:260px}.rig-caption h2{font-size:34px}.rig-caption .eyebrow{font-size:8px}.display-top{font-size:9px}.serial{font-size:10px}.scene-coordinate{font-size:7px}.coord-top{top:30px}.skins button{font-size:9px}.skins{margin-top:15px}.rig-note{font-size:9px}.motion{font-size:10px}}
@media(max-width:360px){.scene{height:290px}.rig{scale:.94}.scene-coordinate{font-size:6px}.halo{width:220px;height:220px}.skins{gap:4px}.skins button{font-size:8px;gap:4px}.rig-caption h2{font-size:31px}.motion{padding-inline:10px}}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-block:1px solid var(--line);padding-block:22px}
.facts>div{padding:0 28px}
.facts>div:first-child{padding-left:0}
.facts>div+div{border-left:1px solid var(--line)}
.fact-value{font-size:31px;line-height:1.2;font-weight:600;letter-spacing:-.04em}
.fact-value>span{font-family:"SFMono-Regular",Consolas,monospace;font-size:10px;color:#bbc6aa;letter-spacing:.05em;margin-left:10px;font-weight:400}
.facts p{font-size:12px;color:var(--muted);margin-top:8px}
.section{padding-block:78px}
.section-heading{margin-bottom:30px}
.section-heading .eyebrow{color:var(--lime);font-size:10px;margin-bottom:16px}
.section-heading h2{font-size:clamp(29px,3.2vw,41px);line-height:1.25}
.section-heading p:not(.eyebrow){color:var(--muted);font-size:14px;line-height:1.85}
.split-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:48px}
.split-heading>div{max-width:670px}
.split-heading>p{max-width:330px;flex:0 1 330px;padding-bottom:2px}
.loop{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.loop li{min-width:0;background:var(--panel);border:1px solid var(--line);padding:18px 18px 23px;border-radius:7px}
.step-head{display:flex;justify-content:space-between;font:10px/1.5 "SFMono-Regular",Consolas,monospace;color:#b1bf9c;letter-spacing:.06em}
.step-head>span:last-child{color:var(--lime);font-size:16px;line-height:1}
.step-art{height:95px;margin:12px 0 16px;display:flex;align-items:center;justify-content:center;color:var(--lime)}
.art-token span{width:63px;height:63px;display:grid;place-items:center;border:1px solid #a4c665;border-radius:50%;outline:1px solid #516b37;outline-offset:5px;font-size:34px;background:#23371a;box-shadow:4px 5px 0 #3e5629}
.art-wafer span{width:76px;height:76px;border-radius:50%;border:1px solid #94b45c;background:repeating-linear-gradient(0deg,transparent 0 11px,#789247 11px 12px),repeating-linear-gradient(90deg,#213319 0 11px,#789247 11px 12px);transform:rotate(-12deg);box-shadow:3px 4px 0 #435931}
.art-chip span{display:grid;place-items:center;width:57px;height:57px;border:6px double #8fa664;background:#24371b;font-weight:700;font-size:29px;outline:1px dashed #a1c76a;outline-offset:6px;transform:rotate(-10deg)}
.art-rig span{width:48px;height:73px;border:2px solid #b2c493;background:repeating-linear-gradient(0deg,#27391e 0 16px,#8c9f72 16px 17px);box-shadow:8px 3px 0 #142010,10px 3px 0 #8c9f72;transform:skewY(-5deg)}
.art-mine span{font-family:Arial,sans-serif;font-size:87px;line-height:1;transform:rotate(-8deg)}
.loop h3{font-size:18px;line-height:1.4;letter-spacing:-.025em;min-height:51px}
.loop p{color:var(--muted);font-size:13px;line-height:1.85;margin-top:10px}
.build-story{display:grid;grid-template-columns:1fr 1fr;background:#c8ff52;border-radius:10px;overflow:hidden;color:#14200c}
.build-copy{padding:41px 44px}
.build-copy .eyebrow{font-size:10px;color:#334b1a}
.build-copy h2 span{display:block}
.build-copy h2{font-size:clamp(32px,3.7vw,47px);line-height:1.17;max-width:430px;margin:23px 0 20px}
.build-copy>p:not(.eyebrow){font-size:15px;line-height:1.9;max-width:390px}
.text-link{display:inline-flex;align-items:center;gap:23px;min-height:44px;border-bottom:1px solid #617e34;font-size:14px;font-weight:650;margin-top:18px}
.text-link:hover{border-bottom-color:#14200c}
.build-copy>.build-note{font-size:11px!important;color:#405b24;margin-top:18px;line-height:1.8}
.parts-board{margin:22px;padding:20px;background:#182713;color:#d9e9c5;border:1px solid #344c25;border-radius:7px;align-self:stretch;display:flex;flex-direction:column;justify-content:center}
.board-heading,.board-footer{display:flex;justify-content:space-between;gap:10px;font-size:10px;letter-spacing:.1em}
.board-heading{color:#c8dfa8;padding-bottom:17px;border-bottom:1px solid #3b512d}
.parts{margin:18px 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.parts li{min-width:0;display:flex;flex-direction:column;align-items:center;padding:9px 3px 12px;border:1px solid #4d6438;background:linear-gradient(135deg,#304423,#1b2b14);border-radius:4px}
.part-glyph{font-family:Arial,sans-serif;font-size:38px;color:var(--lime);height:52px;line-height:1.3}
.parts li>span:not(.part-glyph){font-size:10px;font-family:"SFMono-Regular",Consolas,monospace;letter-spacing:.09em;font-weight:550}
.parts small{font-size:10px;color:#b2c699;margin-top:5px;line-height:1.5}
.board-footer{padding-top:16px;border-top:1px solid #3b512d;font:9px/1.5 "SFMono-Regular",Consolas,monospace;color:#a3bd84}
.status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}
.status-grid article{border-top:1px solid #50683c;padding-top:20px}
.status-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.status-top>span:last-child{font:11px/1.5 "SFMono-Regular",Consolas,monospace;color:#adba9b}
.pill{display:inline-block;font-size:10px;font-weight:500;letter-spacing:.02em;padding:4px 8px;background:#2c411b;color:#d2ff85;border-radius:3px}
.pill.muted{background:#303e27;color:#d4dfc8}
.pill.outline{background:transparent;border:1px solid #425236;color:#bbc5b0;padding:3px 8px}
.status-grid h3{font-size:22px;line-height:1.35;margin:22px 0 12px}
.status-grid p{color:var(--muted);font-size:14px;line-height:1.9}
.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;padding-block:14px 72px}
.faq .section-heading>p:last-child{margin-top:16px;font-size:13px}
.questions{border-top:1px solid var(--line)}
details{padding:0;border-bottom:1px solid var(--line)}
summary{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;font-size:15px;font-weight:550;line-height:1.6;cursor:pointer;list-style:none}
summary::-webkit-details-marker{display:none}
.plus{font-size:24px;font-weight:300;flex-shrink:0;color:#c5d2b5;line-height:1}
details[open] .plus{transform:rotate(45deg)}
details p{color:var(--muted);font-size:13px;line-height:1.9;padding-bottom:22px;max-width:600px}
.closing{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:36px 0 42px;border-top:1px solid var(--line)}
.closing .eyebrow{font-size:10px;color:var(--muted)}
.closing h2{font-size:clamp(36px,4.2vw,59px);margin-top:13px;letter-spacing:-.055em}
.footer{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-block:23px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}
.footer .wordmark{font-size:24px;color:var(--ink)}
.footer>span{font-size:9px;font-family:"SFMono-Regular",Consolas,monospace;letter-spacing:.03em}
.noscript-note{font-size:12px;color:var(--muted);padding-block:16px}
@media(max-width:1100px){.shell{width:calc(100% - 48px)}.brand-tag{display:none}.hero{gap:32px}.rig-display{padding:20px}.hero-description{font-size:15px}.lead{font-size:23px}.split-heading{gap:30px}.split-heading>p{flex-basis:290px}.loop li{padding-inline:13px}.loop h3{font-size:17px}.build-copy{padding:35px 30px}.parts-board{margin:19px 19px 19px 0}.faq{gap:40px}}
@media(max-width:760px){.shell{width:calc(100% - 36px)}.header{gap:12px;min-height:unset;padding:16px 0 9px;flex-wrap:wrap}.wordmark{font-size:25px}.header nav{order:3;width:100%;justify-content:space-between;gap:15px;font-size:12px}.header nav a{min-height:36px}.languages button{min-height:44px}.hero{grid-template-columns:1fr;gap:29px;padding-block:33px 30px}.hero-copy{max-width:560px}h1{font-size:clamp(87px,16vw,111px);margin:21px 0}.lead{font-size:23px}.hero-description{font-size:15px;line-height:1.9;max-width:490px}.actions{margin-top:22px;gap:10px}.button{min-height:48px;padding:11px 17px;font-size:13px;gap:21px}.quiet{font-size:10px;margin-top:17px;max-width:440px}.rig-display{width:100%;max-width:500px;justify-self:center;padding:18px}.facts{padding-block:17px;gap:0}.facts>div{padding:0 12px}.facts>div:first-child{padding-left:0}.facts>div:last-child{padding-right:0}.fact-value{font-size:26px}.fact-value>span{display:block;margin:4px 0 0;font-size:8px;line-height:1.5}.facts p{font-size:10px;line-height:1.7;margin-top:8px}.section{padding-block:52px}.section-heading{margin-bottom:23px}.section-heading h2{font-size:29px}.section-heading .eyebrow{font-size:9px;margin-bottom:13px}.split-heading{display:block}.split-heading>p{margin-top:16px;max-width:520px;font-size:13px}.loop{grid-template-columns:1fr;gap:8px}.loop li{display:grid;grid-template-columns:64px 1fr;column-gap:18px;padding:16px}.step-head{grid-column:2;grid-row:1}.step-head>span:last-child{font-size:13px}.step-art{grid-column:1;grid-row:1 / 3;height:90px;margin:0;align-self:center;scale:.75}.step-copy{grid-column:2;grid-row:2}.loop h3{font-size:18px;min-height:0;margin-top:6px}.loop p{font-size:12px;line-height:1.85;margin-top:6px}.build-story{grid-template-columns:1fr}.build-copy{padding:29px 25px 20px}.build-copy h2{font-size:36px;max-width:345px;margin:20px 0 16px}.build-copy>p:not(.eyebrow){font-size:14px}.parts-board{margin:0 18px 18px;padding:17px}.parts{gap:8px;margin-block:15px}.parts li{padding-block:9px}.board-heading{font-size:9px}.text-link{font-size:13px}.status-grid{grid-template-columns:1fr;gap:24px}.status-grid article{padding-top:18px}.status-grid h3{font-size:21px;margin:16px 0 10px}.status-grid p{font-size:13px}.faq{grid-template-columns:1fr;gap:0;padding-block:4px 45px}.faq .section-heading{margin-bottom:22px}.faq .section-heading>p:last-child{font-size:12px}.questions summary{font-size:14px;padding-block:18px;gap:16px}.questions details p{font-size:12px}.closing{align-items:flex-start;flex-direction:column;padding-block:30px;gap:22px}.closing h2{font-size:44px}.closing .button{min-height:44px}.footer{flex-wrap:wrap;gap:10px 20px;padding-block:20px}.footer p{order:3;width:100%;font-size:10px}.footer>span{font-size:8px}.footer .wordmark{font-size:23px}}
@media(max-width:360px){.shell{width:calc(100% - 30px)}h1{font-size:84px}.lead{font-size:20px}.hero-description{font-size:14px}.hero{padding-top:29px}.button{padding-inline:12px;font-size:12px;gap:16px}.rig-display{padding:14px}.facts>div{padding-inline:9px}.facts p{font-size:9px}.loop li{grid-template-columns:50px 1fr;gap:13px;padding:14px}.step-art{scale:.63}.loop h3{font-size:16px}.loop p{font-size:12px}.build-copy{padding:26px 21px 20px}.build-copy h2{font-size:32px}.parts-board{padding:13px;margin-inline:14px}.parts{gap:6px}.parts small{font-size:9px}.part-glyph{font-size:34px}.section-heading h2{font-size:27px}.closing h2{font-size:39px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}.rig{animation:none}.scene[data-paused=false] .rig{animation:turn 22s linear infinite}}