:root{--bg:#0d1716;--surface:#14221f;--line:#2c3c36;--text:#f2f5ef;--muted:#aab9b2;--mint:#a2efc8;--ink:#13271f;--serif:Georgia,'Songti SC',serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;font-size:16px;line-height:1.7}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid var(--mint);outline-offset:5px}a:hover{color:var(--mint)}::selection{background:var(--mint);color:var(--ink)}.wrap{max-width:1280px;margin:auto;padding-left:48px;padding-right:48px}.header{height:100px;padding:0 48px;max-width:1440px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-size:23px;font-weight:650;line-height:1.1;letter-spacing:2px}.brand-mark{display:grid;place-items:center;border:1px solid #7da78f;width:39px;height:39px;color:var(--mint);font-family:var(--serif);font-size:28px;font-weight:400}.brand-en{display:block;font-size:10px;letter-spacing:3px;margin-top:7px;font-weight:400;color:var(--muted)}nav{display:flex;gap:36px;font-size:14px}.nav-contact{border:1px solid var(--line);padding:9px 19px;font-size:14px;border-radius:4px}.eyebrow{display:flex;align-items:center;gap:12px;color:var(--mint);font-size:12px;letter-spacing:1.7px;font-weight:550}.small-line{height:1px;width:26px;background:var(--mint)}.hero{padding-top:78px;padding-bottom:80px;display:grid;grid-template-columns:1.2fr 1fr;gap:65px;align-items:center}.hero h1{font-size:clamp(36px,4.2vw,60px);font-weight:550;letter-spacing:-2px;line-height:1.28;margin:27px 0}.hero h1 span{color:var(--mint)}.hero-description{color:var(--muted);font-size:18px;line-height:1.95;margin:0 0 32px}.hero-actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;padding:13px 21px;border-radius:4px;font-size:14px;font-weight:600;min-height:46px}.primary{background:var(--mint);color:var(--ink)}.primary:hover{background:#c6ffde;color:var(--ink)}.text-link{font-size:14px;text-decoration:underline;text-underline-offset:6px;text-decoration-color:#658374}.hero-foot{display:flex;gap:24px;color:#80988a;font-size:12px;margin-top:38px}.hero-foot span+span{border-left:1px solid var(--line);padding-left:24px}.architecture{position:relative;background:#111e1b;border:1px solid var(--line);padding:22px 25px;border-radius:6px;box-shadow:0 30px 80px #0002}.arch-caption{display:flex;justify-content:space-between;font-size:10px;letter-spacing:1px;color:#81968b;margin-bottom:24px}.arch-node{position:relative;padding:18px 21px;border:1px solid #4d725f;border-radius:4px;background:#20362a}.node-index{font-size:10px;letter-spacing:1.6px;color:var(--mint)}.node-title{font-size:26px;line-height:1.4;font-weight:600;margin-top:7px}.node-title span{font-size:14px;margin-left:13px;font-weight:400;color:#c6d5ca}.arch-node p{font-size:12px;color:#b1c4b8;margin:7px 0 0}.node-tag{position:absolute;right:16px;top:16px;font-size:10px;border:1px solid #55715e;border-radius:3px;padding:1px 6px;color:#b1dcc0}.tasks{background:#192a27;border-color:#415d57}.tasks .node-index{color:#97cbd1}.connection{height:55px;display:flex;align-items:center;justify-content:center;gap:13px;color:#8caa98;font-size:10px}.connection i{display:block;height:39px;width:14px;border-left:1px solid #7caf92;border-right:1px solid #476854}.future-line{height:44px;display:flex;gap:12px;align-items:center;justify-content:center;color:#7e948b;font-size:10px}.future-line i{width:26px;border-top:1px dashed #61796b}.arch-future{border:1px dashed #52675d;padding:15px 20px;display:grid;grid-template-columns:1fr auto;gap:4px}.arch-future strong{font-size:18px;grid-column:1}.arch-future>span:last-of-type{font-size:12px;color:#8fa99a}.arch-future b{font-weight:400;font-size:10px;grid-column:2;grid-row:2;color:#9fae9e}.arch-note{font-size:11px;color:#789083;margin-top:15px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:38px}h2{font-size:36px;line-height:1.4;font-weight:500;letter-spacing:-1px;margin:14px 0 0}.section-heading>p{color:var(--muted);font-size:15px;line-height:1.85;margin:0}.products{padding-top:40px;padding-bottom:82px;border-top:1px solid var(--line)}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.product-card{border:1px solid var(--line);background:var(--surface);padding:30px;border-radius:5px}.card-meta{display:flex;align-items:center;justify-content:space-between;color:var(--mint);font-size:12px;letter-spacing:1.5px}.status{font-size:11px;color:#a2b8aa;letter-spacing:0}.product-card h3{font-size:30px;font-weight:550;margin:20px 0 14px;line-height:1.6}.product-card h3>span{font-weight:400;display:block;font-size:16px;color:#c8d1cb}.product-card>p{font-size:15px;color:var(--muted);min-height:78px}.product-window{background:#eaf1ea;border-radius:5px;overflow:hidden;color:#284036;margin:27px 0 25px;height:216px;box-shadow:0 10px 24px #0002}.window-bar{background:#f5f9f4;display:flex;justify-content:space-between;padding:11px 16px;font-size:11px;border-bottom:1px solid #d5e0d7}.window-bar span:last-child{font-size:9px;letter-spacing:1px;color:#7c9487}.chat-row{display:flex;gap:10px;padding:14px 16px 0;font-size:12px}.avatar{flex-shrink:0;display:grid;place-items:center;width:26px;height:26px;background:#d4e2d5;border-radius:6px;font-size:11px}.avatar.ai{background:#265c44;color:#efffed}.chat-row>div{background:#f8fbf7;padding:8px 12px;border-radius:4px;flex:1}.chat-row strong{font-size:12px;font-weight:500}.mini-tags{display:flex;gap:7px;margin-top:7px}.mini-tags span{border:1px solid #d6e4d8;font-size:9px;padding:0 5px}.mock-footer{display:flex;justify-content:space-around;font-size:10px;color:#6f8475;padding:12px 0;margin-top:10px;border-top:1px solid #d5e0d7}.task-row{display:flex;gap:10px;align-items:center;padding:13px 15px 0;font-size:11px}.task-row.child{padding-left:33px}.task-row.grandchild{padding-left:51px}.task-row strong{font-weight:500;flex:1}.task-type{font-size:9px;background:#d7e7d8;padding:1px 5px;border-radius:3px}.task-phase{font-size:9px;color:#456555}.nos-window .mock-footer{margin-top:22px}.product-links{display:flex;align-items:center;flex-wrap:wrap;gap:20px}.nos-card .primary{background:#d1e7e1}.extra-link{display:block;font-size:12px;color:#94ad9e;margin-top:17px}.demo-note{font-size:12px;color:#82978c;margin:21px 0 0}.vision-section{background:#172721;padding:75px 0 80px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.roadmap{display:grid;grid-template-columns:repeat(3,1fr);gap:42px;margin-top:47px}.roadmap article{border-top:1px solid #526b5c;padding-top:22px;display:flex;gap:20px}.step{font-family:var(--serif);font-size:35px;color:#5e806b;line-height:1.2}.phase{font-size:11px;color:var(--mint)}.roadmap h3{font-weight:500;font-size:19px;margin:8px 0 12px}.roadmap p{color:var(--muted);font-size:14px;line-height:1.9;margin:0}.join{padding-top:80px;padding-bottom:75px}.roles{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.roles article{padding:30px 26px 34px 0}.roles article+article{padding-left:26px;border-left:1px solid var(--line)}.role-number{font-size:11px;letter-spacing:1.3px;color:#7f9a8a}.roles h3{font-size:23px;font-weight:500;margin:18px 0 15px}.roles p{font-size:15px;color:var(--muted);min-height:54px}.role-topics{font-size:11px;color:#7e9988;margin:20px 0 23px}.join-note{display:flex;gap:40px;align-items:baseline;padding-top:24px}.join-note strong{font-size:14px;white-space:nowrap;font-weight:500}.join-note p{font-size:13px;color:#849d8c;margin:0}.contact-section{background:var(--mint);color:var(--ink);padding:68px 0}.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.contact-section .eyebrow{color:#426e54}.contact-section h2{font-size:42px}.contact-section p{color:#476b54;font-size:15px}.contact-card{background:#e0f9e9;border:1px solid #82c49e;padding:30px;border-radius:5px}.contact-label{font-size:12px;color:#5e7e68}.contact-card h3{font-size:22px;font-weight:500;margin:8px 0 24px}.contact-pending{padding:16px 0;border-top:1px solid #bedac6;border-bottom:1px solid #bedac6}.contact-method{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-top:1px solid #bdd8c4;font-size:15px;align-items:center;flex-wrap:wrap}.contact-method a:hover{color:#29734a}.contact-method label{font-size:12px;color:#53745e}.contact-value{overflow-wrap:anywhere}.copy-button{background:none;border:1px solid #9dc5aa;border-radius:3px;font-size:12px;padding:4px 9px;cursor:pointer;color:#325840}.copy-button:hover{background:#c4ebd2}.conversation-note{font-size:12px!important;margin:22px 0 0!important}.footer{display:flex;align-items:center;justify-content:space-between;gap:22px;padding-top:33px;padding-bottom:33px}.footer .brand{font-size:18px}.footer .brand-mark{width:29px;height:29px;font-size:21px}.footer p,.footer>a:last-child{font-size:12px;color:#8fa396}.skip{position:fixed;top:-100px;left:20px;background:var(--mint);color:var(--ink);padding:10px;z-index:30}.skip:focus{top:15px}@media(min-width:1450px){.hero{padding-top:100px;padding-bottom:100px}.hero h1{font-size:62px}}@media(max-width:1000px){.wrap{padding-left:30px;padding-right:30px}.header{padding:0 30px}.hero{gap:30px}.hero h1{font-size:43px}.hero-description{font-size:16px}.hero-actions{gap:18px}.product-card{padding:23px}.product-links{gap:17px}.roadmap{gap:24px}.roadmap article{gap:12px}.roles h3{font-size:20px}.contact-layout{gap:45px}.contact-section h2{font-size:36px}}@media(max-width:760px){.header{height:80px;padding:0 20px}.header nav{display:none}.nav-contact{padding:7px 12px}.wrap{padding-left:22px;padding-right:22px}.hero{grid-template-columns:1fr;padding-top:44px;padding-bottom:45px;gap:37px}.hero h1{font-size:clamp(33px,7.5vw,52px);letter-spacing:-1px;margin:22px 0}.eyebrow{font-size:10px;letter-spacing:1px}.hero-description{font-size:16px}.hero-foot{margin-top:25px}.architecture{padding:20px}.section-heading{display:block;margin-bottom:25px}.section-heading>p{margin-top:20px;font-size:14px}h2{font-size:29px}.products{padding-top:38px;padding-bottom:45px}.product-grid{grid-template-columns:1fr}.product-card{padding:24px}.product-card>p{min-height:0}.product-window{height:216px}.roadmap{grid-template-columns:1fr;gap:26px;margin-top:32px}.roadmap article{gap:24px}.vision-section{padding:45px 0}.join{padding-top:47px;padding-bottom:45px}.roles{grid-template-columns:1fr}.roles article{padding:27px 0!important;border-left:0!important}.roles article+article{border-top:1px solid var(--line)}.roles p{min-height:0}.role-topics{margin:15px 0 18px}.join-note{display:block}.join-note p{margin-top:8px}.contact-section{padding:43px 0}.contact-layout{grid-template-columns:1fr;gap:25px}.contact-section h2{font-size:35px}.contact-card{padding:23px}.footer{flex-wrap:wrap}.footer p{margin:0}.footer>a:last-child{width:100%}.hero-actions .primary{font-size:13px}.product-links .button{padding-left:15px;padding-right:15px}.mini-tags{flex-wrap:wrap}.arch-note{font-size:11px}.brand-en{font-size:9px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.engineer-feature{display:grid;grid-template-columns:1fr 1.3fr;border:1px solid var(--line);background:var(--surface);border-radius:5px;overflow:hidden}.engineer-title{padding:36px}.engineer-title h3{font-size:32px;font-weight:500;margin:18px 0}.engineer-title p{color:var(--muted);font-size:16px;margin-bottom:30px}.engineer-detail{padding:15px 35px;border-left:1px solid var(--line)}.engineer-detail article{display:flex;gap:20px;padding:20px 0}.engineer-detail article+article{border-top:1px solid var(--line)}.engineer-detail article>span{font-family:var(--serif);font-size:22px;color:#6f9c80}.engineer-detail h4{font-size:17px;font-weight:500;margin:0 0 7px}.engineer-detail p{font-size:14px;color:var(--muted);margin:0}.qr-block{margin-top:20px;display:flex;align-items:center;gap:20px}.qr-block img{width:150px;max-width:50%;height:auto;border:8px solid white;border-radius:4px}.qr-block p{font-size:13px}.contact-card a{color:#234e36}.contact-card a:hover{color:#13653a}@media(max-width:760px){.engineer-feature{grid-template-columns:1fr}.engineer-title{padding:25px}.engineer-detail{padding:5px 25px;border-left:0;border-top:1px solid var(--line)}.engineer-title h3{font-size:29px}}

.official-nos{display:flex;align-items:center;gap:13px}.official-nos img{display:block;width:100px;height:50px;object-fit:contain;background:white;border-radius:3px}.official-nos span{margin-left:0}.nos-product-title img{display:block;width:112px;height:56px;object-fit:contain;background:white;border-radius:3px;margin:6px 0 10px}.surface-card{grid-column:1/-1;display:grid;grid-template-columns:1.1fr 1fr;gap:60px;padding:30px;background:#14221f;border:1px solid var(--line);border-radius:5px}.surface-card h3{font-size:30px;font-weight:550;margin:19px 0 14px}.surface-card h3 span{display:block;font-size:16px;color:#c8d1cb;font-weight:400;margin-top:4px}.surface-card p{color:var(--muted);font-size:15px}.surface-detail{padding-left:30px;border-left:1px solid var(--line);align-self:center}.surface-topics{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.surface-topics span{border:1px solid #4d6c5b;font-size:12px;padding:5px 9px;border-radius:3px}.surface-preview-note{font-size:12px!important;color:#849e8d!important}@media(max-width:760px){.surface-card{grid-template-columns:1fr;gap:20px;padding:24px}.surface-detail{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:22px}.arch-future{gap:7px}.arch-future b{font-size:9px}}

.brand-logo{width:88px;height:44px;object-fit:contain;background:#fff;border-radius:3px;flex-shrink:0}.footer .brand-logo{width:72px;height:36px}.qr-block{gap:22px;align-items:center;padding-top:20px;border-top:1px solid #bdd8c4}.qr-link{display:block;flex:0 0 174px;line-height:0}.qr-block .qr-link img{display:block;width:174px;max-width:100%;height:auto;border:0;border-radius:4px}.qr-block strong{font-size:16px;font-weight:550}.qr-block p{font-size:13px;line-height:1.8;margin:8px 0 12px}.qr-original{font-size:12px;text-decoration:underline;text-underline-offset:4px}@media(max-width:760px){.brand{font-size:20px;gap:9px}.brand-logo{width:74px;height:37px}.qr-block{gap:16px;flex-wrap:wrap}.qr-link{flex-basis:180px}.qr-block .qr-link img{width:180px}.qr-block>div{flex:1;min-width:125px}}

/* Theme changes share one state across page colors, logos, controls and favicon. */
.header-actions{display:flex;align-items:center;gap:12px}.theme-toggle{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:8px 12px;background:transparent;border:1px solid var(--line);border-radius:4px;color:var(--text);font:inherit;font-size:14px;cursor:pointer}.theme-toggle:hover{background:var(--surface)}.theme-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.theme-moon{display:none}[data-theme=light] .theme-sun{display:none}[data-theme=light] .theme-moon{display:block}
.brand-logo,.official-nos img,.nos-product-title img{background:transparent;mix-blend-mode:multiply}[data-theme=dark] .brand-logo,[data-theme=dark] .official-nos img,[data-theme=dark] .nos-product-title img{filter:invert(1) hue-rotate(180deg);mix-blend-mode:screen}
[data-theme=light]{--bg:#f6faf8;--surface:#fff;--line:#ccdcd3;--text:#17382b;--muted:#506c5d;--mint:#1b7253;--ink:#fff;--serif:Georgia,'Songti SC',serif}
[data-theme=light] .architecture{background:#edf5ef;box-shadow:0 25px 70px #2149320c}[data-theme=light] .arch-caption,[data-theme=light] .arch-note,[data-theme=light] .hero-foot,[data-theme=light] .demo-note,[data-theme=light] .role-number,[data-theme=light] .footer p,[data-theme=light] .footer>a:last-child,[data-theme=light] .join-note p{color:#5d7968}[data-theme=light] .arch-node{background:#dcefe1;border-color:#99bea7}[data-theme=light] .tasks{background:#e4f0ed;border-color:#a0bdb2}[data-theme=light] .node-title span,[data-theme=light] .arch-node p,[data-theme=light] .connection,[data-theme=light] .future-line,[data-theme=light] .arch-future>span:last-of-type,[data-theme=light] .arch-future b{color:#426d55}[data-theme=light] .node-tag{color:#305f43;border-color:#a3bda9}[data-theme=light] .tasks .node-index{color:#21676c}[data-theme=light] .arch-future{border-color:#9ab6a4}[data-theme=light] .vision-section{background:#e9f3ec}[data-theme=light] .roadmap article{border-color:#9cb8a6}[data-theme=light] .step{color:#659378}[data-theme=light] .status,[data-theme=light] .extra-link{color:#527562}[data-theme=light] .product-card h3>span,[data-theme=light] .surface-card h3 span{color:#426451}[data-theme=light] .surface-card{background:#fff}[data-theme=light] .surface-topics span{border-color:#9bbba8}[data-theme=light] .surface-preview-note{color:#527562!important}[data-theme=light] .nos-card .primary{background:#1f675e;color:#fff}[data-theme=light] .primary:hover{background:#185b42;color:white}[data-theme=light] .contact-section{background:#d9f3e4;color:#13271f}[data-theme=light] .brand-mark{color:#1b7253}[data-theme=light] a:hover{color:#1b7253}[data-theme=light] .primary:hover{color:#fff}
@media(max-width:760px){.header-actions{gap:8px}.theme-toggle{padding:8px;min-width:40px}.theme-toggle [data-theme-label]{display:none}.nav-contact{font-size:12px;padding:8px 10px}.header{gap:10px}.header .brand{font-size:18px}.header .brand-logo{width:65px;height:33px}}

/* Product preview windows follow the same theme as their surrounding cards. */
.product-window{--preview-bg:#eaf1ea;--preview-panel:#f5f9f4;--preview-text:#284036;--preview-muted:#526c5d;--preview-line:#d5e0d7;--preview-bubble:#f8fbf7;--preview-tag:#d7e7d8;--preview-avatar:#d4e2d5;--preview-ai:#265c44;--preview-ai-text:#efffed;background:var(--preview-bg);color:var(--preview-text)}
.window-bar{background:var(--preview-panel);border-color:var(--preview-line)}.window-bar span:last-child,.mock-footer,.task-phase{color:var(--preview-muted)}.chat-row>div{background:var(--preview-bubble)}.avatar{background:var(--preview-avatar)}.avatar.ai{background:var(--preview-ai);color:var(--preview-ai-text)}.mini-tags span{border-color:var(--preview-line)}.mock-footer{border-color:var(--preview-line)}.task-type{background:var(--preview-tag)}
[data-theme=dark] .product-window{--preview-bg:#172c24;--preview-panel:#1e352b;--preview-text:#e1eee5;--preview-muted:#a9c3b2;--preview-line:#3b5947;--preview-bubble:#243e30;--preview-tag:#34543e;--preview-avatar:#3b5947;--preview-ai:#a2efc8;--preview-ai-text:#17382b}

.hardware-focus{border-left:3px solid var(--mint);padding:3px 0 3px 15px;margin:21px 0}.hardware-label{display:block;font-size:12px;color:var(--mint);margin-bottom:6px}.hardware-focus strong{font-size:17px;font-weight:550;line-height:1.6}.hardware-focus p{font-size:14px;line-height:1.85;margin:8px 0 0}

.vibe-invitation{display:grid;grid-template-columns:1fr 1.3fr;gap:42px;padding:30px 34px;margin-bottom:24px;border:1px solid var(--line);border-left:4px solid var(--mint);border-radius:5px;background:var(--surface)}.vibe-invitation h3{font-size:25px;font-weight:550;line-height:1.6;margin:15px 0 0}.vibe-invitation p{color:var(--muted);font-size:15px;line-height:1.9;margin:0}.vibe-invitation p+p{margin-top:12px}@media(max-width:760px){.vibe-invitation{grid-template-columns:1fr;gap:20px;padding:24px}.vibe-invitation h3{font-size:23px}}