:root{--bg:#f4f2e9;--bg2:#ebe9df;--card:#fbfaf4;--card-b:#d7d8cc;--tx:#233b33;--tx2:#536258;--tx3:#687269;--p1:#336e55;--p2:#285c47;--ok:#4b7554;--warn:#a66032;--os:#775b43;--radius:4px;color-scheme:light}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--tx);line-height:1.7}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid #d4773d;outline-offset:5px}
[hidden]{display:none!important}
::selection{background:#dae6b9;color:#203a2a}
.bg-fx{position:fixed;inset:0;z-index:-1;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.7' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' opacity='.045' filter='url(%23n)'/%3E%3C/svg%3E")}
.wrap{width:100%;max-width:1320px;margin:0 auto;padding-left:40px;padding-right:40px}
header{position:sticky;top:0;z-index:50;background:#f4f2e9f5;border-bottom:1px solid var(--card-b)}
.nav{display:flex;align-items:center;gap:26px;min-height:84px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:21px;letter-spacing:1px;line-height:1.2;flex-shrink:0}
.logo .mark{width:46px;height:46px;display:block;flex-shrink:0;transition:transform .3s ease}.logo:hover .mark{transform:rotate(-6deg)}
.wordmark{display:flex;gap:8px;align-items:center;font-size:25px;letter-spacing:3px;font-weight:850;line-height:1}.brand-ai{font-size:10px;letter-spacing:1px;font-weight:600;padding:3px 4px;border:1px solid #a5b298;border-radius:2px;color:#637656}
.logo small{display:block;font-size:10px;letter-spacing:2px;color:var(--tx3);font-weight:500;margin-top:7px}
.nav .links{display:flex;gap:20px;font-size:13px;color:var(--tx2);margin-left:auto}
.nav .links a:hover,.nav .links a.cur{color:var(--p2);text-decoration:underline;text-underline-offset:7px}
.nav .cta{display:flex;gap:9px}.nav .cta .btn{padding:9px 13px;font-size:12px}
.menu-toggle{display:none;border:1px solid var(--card-b);background:var(--bg2);color:var(--tx);border-radius:2px;padding:7px 12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:16px;padding:13px 22px;border-radius:3px;font-size:14px;font-weight:650;transition:transform .2s,background .2s;border:1px solid transparent;cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.btn-pri{background:#294e3b;color:#faf6e8}.btn-pri:hover{background:#3b6147}
.btn-ghost{border-color:var(--card-b);color:var(--tx2);background:transparent}.btn-ghost:hover{border-color:#83967e;color:var(--tx)}
.btn-oss{border:1px solid #91a283;color:#345338;background:#e7ecd9}
section{padding-top:85px;padding-bottom:85px}
.hero{display:grid;grid-template-columns:.97fr 1.03fr;gap:55px;align-items:center;padding-top:54px;padding-bottom:58px;min-height:740px}
.hero-copy{padding-bottom:10px;min-width:0}
.badge{display:inline-flex;align-items:center;gap:10px;color:#52694e;font-size:11px;letter-spacing:2px}
.dot,.live-dot{width:6px;height:6px;background:var(--ok);border-radius:50%;display:inline-block}
.hero h1{font-size:clamp(36px,3.75vw,54px);font-weight:800;line-height:1.48;letter-spacing:-2px;margin:26px 0 24px}
.grad{position:relative;color:#274d3b;white-space:nowrap;background:linear-gradient(transparent 77%,#dcba785e 77%,#dcba785e 94%,transparent 94%)}
.hero .sub{font-size:14px;color:var(--tx2);line-height:2.15;margin-bottom:29px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.hero-tools{display:flex;gap:35px;margin-top:36px;padding-top:24px;border-top:1px solid var(--card-b)}
.hero-tools a{display:flex;align-items:center;gap:12px}.hero-tools b{display:block;font-size:14px;letter-spacing:.4px}.hero-tools small{display:block;font-size:11px;color:var(--tx3);margin-top:3px}
.tool-symbol{width:36px;height:36px;display:grid;place-items:center;border:1px solid #91a99a;border-radius:2px;background:#e1e9dc;color:#32583f;font:700 14px monospace}
.work-symbol{border-color:#ccb394;background:#efe2cb;color:#82542d}
.hero-note{color:var(--tx3);font-size:10px;letter-spacing:1px;margin-top:20px}
.hero-signature{display:flex;justify-content:space-between;align-items:center;margin-top:44px;font:11px monospace;letter-spacing:2px;color:#66775f}.hero-signature span:last-child{border:1px solid #a4ac94;padding:2px 8px;transform:rotate(-7deg)}
.world{--card-b:#71878440;--tx:#e8eee1;--tx2:#bbcab9;--tx3:#a3b5a8;--ok:#acd6ad;position:relative;min-width:0;color:var(--tx);border:1px solid #344f46;border-radius:4px;background:#182d29;box-shadow:10px 12px 0 #d7d9c8;overflow:hidden;scroll-margin-top:100px}
.world-top{display:flex;align-items:center;justify-content:space-between;padding:17px 21px;font-size:11px;color:var(--tx2);border-bottom:1px solid var(--card-b);letter-spacing:1px}
.world-top .live-dot{margin-right:6px}.scene-label{font-size:9px;padding:1px 0;color:var(--tx3)}
.scene-switch{display:flex;gap:5px;justify-content:center;padding:15px 12px 0}
.scene-switch button{background:none;border:1px solid transparent;border-radius:2px;color:var(--tx3);padding:6px 12px;font-size:11px;transition:.2s}
.scene-switch button[aria-pressed="true"]{background:#c6d6b717;border-color:#b8cda54d;color:#d6e3c7}.scene-switch button:hover{color:var(--tx)}
.world-visual{position:relative;background-image:linear-gradient(#8aa08c08 1px,transparent 1px),linear-gradient(90deg,#8aa08c08 1px,transparent 1px);background-size:30px 30px}
.world-svg{display:block;width:100%;height:auto}.map-label{fill:#a9c4b5;font-family:inherit;font-size:10px;letter-spacing:2px}.world-artifact text{fill:#334b40;font-size:11px;font-family:inherit;font-weight:600}
.blueprint,.flow-lines,.construction-scan,.completion-rings,.construction-sparks{display:none}.world-road{stroke-dasharray:9 8;opacity:.55}
#particleCanvas{display:none;width:100%;height:auto;aspect-ratio:900/640;touch-action:pan-y}.particle-ready #particleCanvas{display:block}.particle-ready #worldFallback{display:none}
.shape-switch{display:none;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;margin:17px 20px 0;padding-top:13px;border-top:1px solid var(--card-b)}.particle-ready .shape-switch{display:grid}
.shape-switch button{padding:8px 0;border:1px solid transparent;background:transparent;color:#a2b7ad;font-size:12px;border-radius:2px}.shape-switch button:hover{color:#f0e2bf;border-color:#627e6d}.shape-switch button[aria-pressed="true"]{color:#ead6af;background:#ddbc7e13;border-color:#d9bc7c70}
.world:not(.particle-ready) .scene-switch{display:none}
.model-heading{display:flex;justify-content:space-between;align-items:center;margin:22px 25px 0}.model-eyebrow{display:block;font:9px monospace;letter-spacing:2px;color:#97ab9a}.model-heading h2{font-size:24px;font-weight:500;letter-spacing:5px;margin-top:4px}.model-heading #morphStatus{color:#c8c9a5;font:10px monospace;border-left:1px solid #7f9672;padding-left:10px}
.particle-sources{display:none;justify-content:space-between;margin:-16px 35px 0;position:relative;pointer-events:none}.particle-ready .particle-sources{display:flex}.particle-sources span:last-child{text-align:right;color:#e8bb79}.particle-sources span:first-child{color:#73dfc1}.particle-sources b{font:600 12px monospace;letter-spacing:.2px}.particle-sources small{display:block;font-size:9px;color:#a0b2a5;margin-top:4px}
.model-description{margin:22px 25px 12px;color:#abbeb1;font-size:11px;min-height:38px;line-height:1.9}.world-caption{display:flex;justify-content:space-between;gap:12px;padding:0 25px 15px;color:#8fa89a;font-size:9px;letter-spacing:.5px}.world-caption #sceneProgress{margin-left:auto;color:#ddc69b;font:11px monospace}.view-hint{display:none}
@media(hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){.particle-ready .view-hint{display:inline}}
.scene-details{margin:0 21px;border-top:1px solid var(--card-b)}.scene-details summary{padding:13px 0;cursor:pointer;font-size:11px;color:#c7d5c1}.scene-details summary span{float:right;font-size:9px;color:#95aa9b;margin-top:2px}.scene-details .scene-story{padding:2px 0 5px}.world>.scene-controls{margin:0 21px;padding-bottom:13px}.world .scene-controls{flex-wrap:wrap;gap:8px 17px}.world .scene-controls small{flex-basis:100%;font-size:9px}.world .scene-controls button{padding:6px 0;font-size:11px}.scene-controls button:disabled{opacity:.55;cursor:default}
@media(max-width:760px){.shape-switch{margin:13px 12px 0;gap:1px}.shape-switch button{font-size:11px;padding:9px 0}.model-heading{margin:18px 16px 0}.model-heading h2{font-size:22px}.model-eyebrow{font-size:8px}.particle-sources{margin:-6px 20px 0}.particle-sources b{font-size:10px}.particle-sources small{font-size:8px}.model-description{margin:20px 16px 12px;font-size:10px;min-height:38px}.world-caption{padding:0 16px 14px}.world .scene-controls{gap:6px 14px}.world .scene-controls button{font-size:10px}}
.scene-story{padding:0 21px 15px}
.scene-request{border-left:2px solid #d9b57c;background:#ffffff04;padding:10px 13px;font-size:11px}
.scene-request span{font-size:9px;color:var(--tx3);letter-spacing:2px;display:block;margin-bottom:4px}.scene-request p{color:#d9e1d4;min-height:19px}
.build-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;list-style:none;margin:15px 0 10px;font-size:10px;color:var(--tx3)}
.build-steps li::before{content:"";height:2px;display:block;background:#40584c;margin-bottom:7px;transition:background .5s}.build-steps li.done{color:#d1e2c2}.build-steps li.done::before{background:#bed7a1}
.scene-result{display:flex;gap:7px;align-items:baseline;font-size:11px;min-height:34px;color:#c1d4b2}.result-dot{flex-shrink:0;width:5px;height:5px;border-radius:50%;background:#bed7a1}
.scene-controls{display:flex;gap:10px;align-items:center;border-top:1px solid var(--card-b);padding-top:9px}.scene-controls small{font-size:9px;color:var(--tx3);margin-right:auto}.scene-controls button{white-space:nowrap;border:0;background:none;color:#cad9c6;font-size:10px;padding:4px 0}
.outcome-strip{display:grid;grid-template-columns:repeat(3,1fr);padding-top:0;padding-bottom:0}
.outcome-strip>div{padding:27px 30px 27px 0;border-top:1px solid #99a389;border-bottom:1px solid #99a389;position:relative}
.outcome-strip>div+div{padding-left:30px}.outcome-strip>div+div::before{content:"";position:absolute;left:0;top:27px;bottom:27px;width:1px;background:var(--card-b)}
.outcome-strip span{font:10px monospace;color:#7c6842;letter-spacing:2px}.outcome-strip h2{font-size:18px;font-weight:650;margin:10px 0 6px}.outcome-strip p{font-size:12px;color:var(--tx3)}
.sec-head{margin-bottom:30px}.kicker{font-size:10px;font-weight:500;letter-spacing:3px;color:#7a7255}.sec-head h2{font-size:30px;font-weight:700;margin-top:10px;letter-spacing:-.5px}.sec-head p{color:var(--tx3);font-size:14px;margin-top:12px;max-width:800px}.sec-head .more{display:inline-block;color:var(--p2);font-size:12px;margin-top:13px;text-decoration:underline;text-underline-offset:5px}
.grid{display:grid;gap:18px}.grid.repos,.grid.products,.grid.cases,.grid.tech{grid-template-columns:repeat(3,minmax(0,1fr))}
.repo,.card,.case,.techcard{min-width:0;position:relative;border:1px solid var(--card-b);border-radius:var(--radius);background:var(--card);padding:26px;transition:transform .25s,border-color .25s,background .25s}
.repo:hover,.card:hover,.case:hover,.techcard:hover{transform:translateY(-3px);border-color:#829677;background:#fffffa}
.repo,.card,.techcard{display:flex;flex-direction:column}.repo{background:#eef0e3;border-top:3px solid #738a65}.repo:nth-child(2){border-top-color:#bc9162}.repo:nth-child(3){border-top-color:#9a9c85}
.repo .lic{align-self:flex-start;font-size:10px;color:#58694f;border:1px solid #bdc7ad;border-radius:2px;padding:2px 7px;margin-bottom:18px}.repo h3,.card h3{font-size:18px;font-weight:650;line-height:1.4}
.en{font-size:10px;color:var(--tx3);letter-spacing:1px;margin:6px 0 10px}.repo p,.card p.desc,.techcard p,.case p{color:var(--tx2);font-size:13px;line-height:1.9;flex:1}
.acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.acts .btn{padding:8px 14px;font-size:12px}
.card .top{display:flex;align-items:flex-start;gap:12px;margin-bottom:13px;flex-wrap:wrap}.card .icon{width:36px;height:36px;display:grid;place-items:center;flex-shrink:0;border:1px solid var(--card-b);background:#e9ecdd;border-radius:2px;font-size:17px;filter:grayscale(1)}
.status{display:inline-flex;align-items:center;gap:5px;font-size:9px;padding:2px 6px;border:1px solid var(--card-b);border-radius:2px;color:var(--tx3)}.status .d{width:4px;height:4px;border-radius:50%;background:var(--os)}.status.on .d{background:var(--ok)}.status.dev .d{background:var(--warn)}.status.int .d{background:var(--p2)}
.tags,.case .foot{display:flex;gap:6px;flex-wrap:wrap;margin-top:18px}.tag{font-size:10px;padding:2px 7px;border-radius:2px;border:1px solid var(--card-b);color:#65715a}
.go{display:inline-flex;align-self:flex-start;font-size:12px;color:var(--p2);margin-top:20px}.go:hover{text-decoration:underline;text-underline-offset:5px}.go.na{color:var(--tx3)}
.case .ind,.techcard .date{font-size:11px;color:var(--tx3)}.case h3,.techcard h3{font-size:16px;font-weight:650;margin:10px 0 13px}
.news-layout{display:grid;grid-template-columns:340px minmax(0,1fr);gap:26px;align-items:start}.digest{background:#e9ecdd;border:0;border-top:3px solid #8c9778}.digest h3{font-size:16px}.digest .date{color:var(--tx3);font-size:11px;margin:5px 0 18px}.digest .body{font-size:13px;color:var(--tx2)}.digest .body ul{padding-left:18px}.digest .body li{margin-bottom:12px}.digest .body a{color:var(--p2);text-decoration:underline}
.news-feed{border-top:1px solid #99a389;border-bottom:1px solid #99a389;padding:8px 0;min-height:130px}.hint{font-size:12px;color:var(--tx3);padding:14px 0}.news-item{padding:17px 0;border-bottom:1px solid var(--card-b)}.news-item:last-child{border:0}.news-item .news-meta{display:flex;gap:12px;align-items:center;font-size:10px;color:var(--tx3);margin-bottom:7px}.news-item time{margin-left:auto}.news-item .src{color:#577449}.news-item .t{font-size:14px;display:block}.news-item .t:hover{color:var(--p2);text-decoration:underline}.news-item .sum{font-size:12px;color:var(--tx3);display:block;margin-top:7px}.news-retry{margin-bottom:15px;padding:6px 13px;font-size:11px}
.grid.contact{grid-template-columns:1fr 1fr}.card.qr{align-items:center;text-align:center}.card.qr img{background:#fff;padding:8px;max-width:100%;height:auto}.card.qr .desc{flex:0 0 auto}.copy-email{align-self:flex-start;margin-top:15px;padding:7px 12px;font-size:11px}
.about{padding:40px;border-top:1px solid #99a389;border-bottom:1px solid #99a389;background:#e8ebdc;display:grid;grid-template-columns:1.5fr 1fr;gap:40px}.about h2{font-size:26px;margin:8px 0 15px}.about p,.fact{font-size:13px;color:var(--tx2)}.facts{display:flex;flex-direction:column;gap:18px;justify-content:center}.fact{display:flex;gap:10px}.fact b{color:var(--tx)}.fact .ico{filter:grayscale(1)}
footer{border-top:1px solid var(--card-b);padding:30px 0;color:var(--tx3);font-size:11px}footer .wrap{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}footer .beian{display:flex;gap:14px;flex-wrap:wrap}footer a:hover{color:var(--p2)}.privacy-note{flex-basis:100%;color:var(--tx3);font-size:10px}.privacy-note button{border:0;border-bottom:1px solid var(--tx3);background:none;color:var(--tx2);font-size:10px;margin-left:8px}
.post{max-width:820px;margin:0 auto;padding:60px 24px 80px;overflow-wrap:anywhere}.crumb{font-size:12px;color:var(--tx3);margin-bottom:25px}.crumb a:hover{color:var(--p2)}.post h1{font-size:32px;line-height:1.5;margin-bottom:14px}.post .meta{font-size:12px;display:flex;gap:14px;flex-wrap:wrap;color:var(--tx3);margin-bottom:35px}.post .content{font-size:15px;color:var(--tx2)}.post .content h2{color:var(--tx);font-size:23px;margin:35px 0 14px}.post .content h3{color:var(--tx);font-size:18px;margin:25px 0 12px}.post .content p{margin-bottom:16px}.post .content ul,.post .content ol{padding-left:24px;margin-bottom:20px}.post .content li{margin:5px 0}.post .content a{color:var(--p2);text-decoration:underline;text-underline-offset:3px}.post .content strong{color:var(--tx)}.post .content blockquote{border-left:2px solid #9aab7e;padding:12px 18px;margin:18px 0;background:#e8ecdc}.post .content code{font-family:Consolas,monospace;background:#e7eadc;color:#315736;padding:2px 5px;border-radius:2px;font-size:.9em}.post .content pre{padding:18px;border:1px solid var(--card-b);border-radius:2px;overflow:auto;margin-bottom:20px;background:#e9ecdf}.post .content pre code{background:none;padding:0}.post .content table{display:block;overflow:auto;border-collapse:collapse;margin-bottom:20px}.post .content td,.post .content th{border:1px solid var(--card-b);padding:8px 12px}.post .back{display:inline-block;margin-top:35px;color:var(--p2);font-size:13px}.post img{display:block;max-width:100%;height:auto}.post figure{margin:24px 0}.post figcaption{color:var(--tx3);font-size:12px;margin-top:10px;line-height:1.8}
.reveal{animation:reveal .7s both}@keyframes reveal{from{opacity:.25;transform:translateY(15px)}to{opacity:1;transform:none}}
@media(min-width:1500px){.hero{padding-top:75px;padding-bottom:75px}}
@media(max-width:1200px){.nav{gap:15px}.nav .links{gap:16px}.nav .cta .btn-ghost{display:none}.hero{gap:30px}.hero h1{font-size:44px}.hero .sub{font-size:13px}.hero .btn{padding:11px 15px;font-size:12px}.hero-tools{gap:25px}}
@media(max-width:900px){.hero{grid-template-columns:1fr;max-width:760px;padding-top:45px;gap:35px}.hero h1{font-size:52px}.hero .sub{font-size:15px}.hero .btn{font-size:14px}.hero-copy{text-align:left}.hero-tools{margin-top:28px}.hero-note{margin-top:18px}.hero-signature{margin-top:25px}.grid.products,.grid.cases,.grid.tech{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.repos{grid-template-columns:1fr}.repo .lic{margin-bottom:12px}.news-layout{grid-template-columns:1fr}.about{grid-template-columns:1fr}.outcome-strip>div{padding:22px 16px}.outcome-strip>div+div{padding-left:16px}.outcome-strip h2{font-size:15px}.nav .links{gap:12px;font-size:12px}.nav .cta{display:none}}
@media(max-width:760px){.wrap{padding-left:22px;padding-right:22px}.nav{min-height:68px;flex-wrap:wrap;gap:12px}.logo{font-size:17px}.logo small{font-size:9px}.js .menu-toggle{display:block;margin-left:auto}.nav .cta{display:none}.nav .links{display:flex;flex-wrap:wrap;width:100%;margin:0;padding:0 0 15px;gap:10px 20px;font-size:13px;order:4}.js .nav #siteNav{display:none}.js .nav #siteNav.is-open{display:flex}.hero{padding-top:36px;padding-bottom:45px}.hero h1{font-size:clamp(32px,9vw,46px);letter-spacing:-1.5px;margin-top:20px;margin-bottom:20px}.hero .sub{font-size:12px}.hero-tools{gap:25px}.hero-note{font-size:9px}.hero .btn{font-size:11px;padding:11px 12px;gap:8px}.hero-tools small{font-size:10px}.hero-tools b{font-size:13px}.hero-signature{font-size:9px}.badge{font-size:9px;letter-spacing:1.5px}.world{box-shadow:6px 7px 0 #d7d9c8}.world-top{padding:14px 13px;font-size:10px;letter-spacing:0}.scene-story{padding:0 14px 13px}.scene-switch button{font-size:10px;padding:6px 9px}.scene-controls{flex-wrap:wrap;gap:9px}.scene-controls small{flex-basis:100%}.scene-result{font-size:10px;min-height:38px}.scene-request{font-size:10px}.outcome-strip{grid-template-columns:1fr}.outcome-strip>div{padding:20px 0}.outcome-strip>div+div{padding-left:0;border-top:0}.outcome-strip>div+div::before{display:none}.outcome-strip h2{font-size:17px}.outcome-strip span{float:right;margin-top:14px}section{padding-top:55px;padding-bottom:35px}.sec-head h2{font-size:25px}.sec-head p{font-size:13px}.grid.products,.grid.cases,.grid.tech,.grid.contact{grid-template-columns:1fr}.card,.repo,.case,.techcard{padding:23px}.about{padding:25px;gap:25px}.news-feed{padding:6px 0}.post h1{font-size:26px}.post{padding-top:40px}footer{margin-top:30px}footer .wrap{flex-direction:column;align-items:flex-start}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}


/* 首屏 CTA（2026-10-28） */
.cta {
  margin: 22px 0 10px; padding: 16px 18px; border-radius: 12px;
  border: 1px solid rgba(90,160,255,.35);
  background: linear-gradient(135deg, rgba(60,120,255,.14), rgba(60,120,255,.04));
}
.cta-t { font-size: 15px; margin-bottom: 6px; color: #e8eefb; }
.cta-b { font-size: 14px; color: #b9c2d0; line-height: 1.75; }
.cta-btn {
  display: inline-block; margin: 12px 10px 0 0; padding: 8px 16px;
  border-radius: 8px; background: #3b82f6; color: #fff;
  font-size: 14px; text-decoration: none;
}
.cta-btn:hover { background: #2563eb; }
.cta-btn-2 { background: transparent; border: 1px solid rgba(255,255,255,.25); color: #cfd7e6; }
.cta-btn-2:hover { background: rgba(255,255,255,.08); }