:root{--bg:#0b0d11;--panel:#151a21;--panel2:#1b222b;--line:#36404c;--text:#f5f2ed;--muted:#9da8b4;--cyan:#59d5df;--yellow:#ffc857;--green:#64d5ac;--red:#ff7468}
*{box-sizing:border-box;letter-spacing:0}body{margin:0;background:var(--bg);color:var(--text);font-family:"Segoe UI","Microsoft YaHei",system-ui,sans-serif;line-height:1.6}a{color:inherit}button,input,textarea,select{font:inherit}.model-nav{position:sticky;top:0;z-index:10;min-height:68px;padding:12px max(24px,calc((100vw - 1180px)/2));display:flex;align-items:center;gap:24px;background:rgba(11,13,17,.92);border-bottom:1px solid #27303a;backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;white-space:nowrap}.brand img{width:38px;height:38px;object-fit:contain}.brand span{display:grid;line-height:1.1;gap:3px}.brand b{font-size:13px}.brand small{font-size:10px;color:var(--muted)}.nav-links{margin-left:auto;display:flex;align-items:center;gap:6px}.nav-links a{padding:8px 12px;border:1px solid transparent;border-radius:6px;color:#cbd2da;text-decoration:none;font-size:13px;font-weight:700}.nav-links a:hover,.nav-links a.active{border-color:#4c6670;background:#162b31;color:#fff}.nav-links a.active{color:var(--cyan)}main{overflow:hidden}.hero{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:60px;align-items:center;max-width:1180px;min-height:590px;margin:0 auto;padding:84px 24px 76px}.hero:before{content:"";position:absolute;inset:0 35% 0 -20%;z-index:-1;background:radial-gradient(circle at 45% 42%,rgba(64,198,210,.1),transparent 55%)}.eyebrow{margin:0 0 12px;color:var(--cyan);font:800 11px/1.2 Consolas,monospace;letter-spacing:.13em}.hero h1{max-width:680px;margin:0;color:#fff7ea;font-size:clamp(40px,5vw,70px);line-height:1.05}.hero-lead{max-width:650px;margin:22px 0 0;color:#c3cbd4;font-size:17px;line-height:1.85}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px;border:1px solid var(--line);border-radius:7px;text-decoration:none;font-weight:800;cursor:pointer;transition:.18s}.button.primary{border-color:var(--yellow);color:#1a1408;background:var(--yellow)}.button.primary:hover{background:#ffda76;transform:translateY(-2px)}.button.quiet{color:#dce3e8;background:#171d25}.button.quiet:hover{border-color:var(--cyan);transform:translateY(-2px)}.hero-facts{display:flex;gap:24px;flex-wrap:wrap;margin-top:38px;color:var(--muted);font-size:12px}.hero-facts b{display:block;margin-bottom:2px;color:#fff;font-size:17px}.hero-visual{position:relative;min-height:390px;border:1px solid #2b414a;border-radius:12px;overflow:hidden;background:linear-gradient(145deg,#101b22,#11151b 58%,#221d16);box-shadow:0 24px 70px rgba(0,0,0,.3)}.hero-visual:before{content:"";position:absolute;inset:20px;background:linear-gradient(rgba(89,213,223,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(89,213,223,.08) 1px,transparent 1px);background-size:30px 30px;transform:perspective(520px) rotateX(58deg) translateY(70px);transform-origin:center bottom}.core-orbit{position:absolute;border:1px solid rgba(89,213,223,.35);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%) rotate(18deg);width:250px;height:115px}.orbit-b{width:315px;height:160px;border-color:rgba(255,200,87,.3);transform:translate(-50%,-50%) rotate(-35deg)}.core-core{position:absolute;left:50%;top:50%;display:grid;place-items:center;width:116px;height:116px;transform:translate(-50%,-50%);border:1px solid var(--cyan);border-radius:50%;background:#13252b;box-shadow:0 0 0 12px rgba(89,213,223,.06),0 0 55px rgba(89,213,223,.25)}.core-core span{font:900 36px/1 Consolas,monospace;color:var(--yellow)}.core-core small{font:800 8px/1 Consolas,monospace;color:var(--cyan);letter-spacing:.12em}.signal{position:absolute;padding:6px 9px;border:1px solid #40505b;border-radius:4px;color:#b9d8dc;background:rgba(13,24,29,.8);font:700 10px Consolas,monospace}.s1{top:25%;left:12%}.s2{right:11%;top:33%;color:var(--yellow);border-color:#665431}.s3{bottom:16%;left:39%;color:var(--green);border-color:#3b6657}.model-section,.workbench,.principles{padding:82px max(24px,calc((100vw - 1180px)/2))}.model-section{background:#10151c;border-top:1px solid #222b35;border-bottom:1px solid #222b35}.section-heading,.workbench-heading{display:flex;align-items:end;justify-content:space-between;gap:24px}.section-heading h2,.workbench h2,.principles h2{margin:0;font-size:36px;line-height:1.15}.icon-button{min-height:38px;padding:7px 11px;border:1px solid #4a5965;border-radius:6px;color:#dce7e9;background:#1a232b;cursor:pointer}.icon-button:hover{border-color:var(--cyan);color:#fff}.icon-button span{font-size:12px}.status-line{display:flex;align-items:center;gap:8px;margin-top:24px;color:var(--muted);font-size:13px}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--yellow);box-shadow:0 0 0 3px rgba(255,200,87,.12)}.status-line.ready .status-dot{background:var(--green);box-shadow:0 0 0 3px rgba(100,213,172,.12)}.status-line.error .status-dot{background:var(--red)}.model-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:24px}.model-card{min-height:190px;padding:20px;border:1px solid var(--line);border-radius:8px;background:var(--panel);cursor:pointer;transition:.18s}.model-card:hover,.model-card.selected{transform:translateY(-3px);border-color:var(--cyan);background:#19252a}.model-card.selected{box-shadow:inset 0 3px var(--cyan)}.model-card header{display:flex;align-items:center;justify-content:space-between;min-height:0;padding:0;background:none;border:0}.model-card h3{margin:0;font:800 20px/1 Consolas,monospace}.model-card .badge{padding:3px 7px;border:1px solid #47616a;border-radius:4px;color:var(--cyan);font:700 9px Consolas,monospace}.model-card p{margin:22px 0 0;color:#bec7d0;font-size:13px}.model-card small{display:block;margin-top:20px;color:var(--muted);font-size:11px}.workbench{background:#151a20}.workbench-heading{display:block;max-width:720px}.workbench-heading h2{margin-top:0}.workbench-heading>p:last-child{margin:14px 0 0;color:var(--muted);font-size:14px}.workbench-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:16px;margin-top:32px}.chat-panel,.config-panel{padding:22px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}.panel-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:17px;border-bottom:1px solid #2a333d}.panel-top>div{display:grid;gap:4px}.panel-label{color:var(--muted);font-size:11px}.panel-top strong{font:800 16px Consolas,monospace}.latency,.secure-mark{color:var(--green);font:700 11px Consolas,monospace}.field{display:grid;gap:7px;margin-top:18px}.field>span{color:#dfe5e8;font-size:12px;font-weight:750}.field small{color:var(--muted);font-size:11px}.field small a{color:var(--cyan)}input,textarea,select{width:100%;border:1px solid #3a4652;border-radius:6px;padding:10px 12px;color:#eef3f3;background:#10151b;outline:none}textarea{resize:vertical;line-height:1.6}input:focus,textarea:focus,select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(89,213,223,.1)}.chat-actions{display:flex;gap:10px;margin-top:20px}.chat-output{min-height:108px;margin-top:20px;padding:15px;border-left:3px solid var(--cyan);background:#10161c;color:#dce8e8;white-space:pre-wrap;font-size:14px}.output-placeholder{color:#697784}.code-card{margin-top:20px;border:1px solid #303d48;border-radius:6px;overflow:hidden;background:#0d1217}.code-head{display:flex;justify-content:space-between;padding:8px 11px;border-bottom:1px solid #303d48;color:var(--cyan);font:700 11px Consolas,monospace}.code-head button{border:0;color:#d7e5e5;background:transparent;cursor:pointer;font-size:11px}.code-card pre{margin:0;padding:14px;overflow:auto;color:#dbe8e8;font:12px/1.75 Consolas,monospace;white-space:pre-wrap}.endpoint-list{display:grid;gap:10px;margin-top:18px}.endpoint-list div{display:grid;grid-template-columns:48px 1fr;gap:4px;align-items:center}.endpoint-list code{color:var(--yellow);font:800 10px Consolas,monospace}.endpoint-list span{font:700 12px Consolas,monospace}.endpoint-list small{grid-column:2;color:var(--muted);font-size:11px}.docs-link{display:flex;justify-content:space-between;margin-top:22px;color:var(--cyan);font-size:13px;font-weight:750;text-decoration:none}.principles{background:#10151c}.principles>div:first-child{max-width:480px}.principles h2{font-size:34px}.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px}.principle-grid article{padding:21px;border-top:2px solid var(--red);background:#171d25}.principle-grid b{color:var(--yellow);font:800 12px Consolas,monospace}.principle-grid h3{margin:22px 0 6px;font-size:17px}.principle-grid p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}footer{display:flex;gap:22px;justify-content:center;padding:25px;color:var(--muted);font-size:12px;border-top:1px solid #26303a}footer a{color:#d7e5e5;text-decoration:none}@media(max-width:860px){.hero,.workbench-grid{grid-template-columns:1fr}.hero{padding-top:56px}.hero-visual{min-height:300px}.model-grid{grid-template-columns:repeat(2,1fr)}.principle-grid{grid-template-columns:1fr}.nav-links a:nth-child(1),.nav-links a:nth-child(2){display:none}}@media(max-width:520px){.model-nav{padding:10px 15px}.brand small{display:none}.nav-links a{padding:7px 8px;font-size:11px}.hero,.model-section,.workbench,.principles{padding-right:16px;padding-left:16px}.hero h1{font-size:42px}.model-grid{grid-template-columns:1fr}.section-heading{align-items:start;flex-direction:column;gap:14px}.section-heading h2,.workbench h2{font-size:30px}.hero-facts{gap:14px}.chat-panel,.config-panel{padding:16px}}
 .hero-art{position:absolute;inset:0;z-index:-2;overflow:hidden;pointer-events:none}.hero-art img{width:100%;height:100%;object-fit:cover;object-position:center;opacity:.52;filter:saturate(.86) contrast(1.08)}.hero-art:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,13,17,.98) 0%,rgba(11,13,17,.82) 38%,rgba(11,13,17,.35) 72%,rgba(11,13,17,.78) 100%),linear-gradient(0deg,rgba(11,13,17,.96),transparent 35%,rgba(11,13,17,.55))}

.access-note{max-width:1180px;margin:0 auto;padding:48px 24px 72px;border-top:1px solid #26303a}.access-note h2{margin:0;font-size:32px}.access-note p:not(.eyebrow){color:var(--muted);max-width:620px}.demo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:28px}.demo-card{padding:20px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}.demo-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.demo-card h3{margin:0;font-size:21px}.demo-card small,.demo-status{color:var(--muted);font-size:12px}.demo-card canvas{display:block;width:100%;max-width:320px;height:auto;margin:0 auto;background:#0d1217;border:1px solid #33414b;image-rendering:pixelated}.demo-status{margin-top:12px;text-align:center;color:var(--cyan)}@media(max-width:760px){.demo-grid{grid-template-columns:1fr}.demo-card-head{align-items:flex-start;flex-direction:column}.access-note{padding-left:16px;padding-right:16px}}

/* 2026 layout polish */
main{background:#0b0d11}.hero{max-width:1120px;min-height:520px;padding-top:64px;padding-bottom:64px;gap:44px}.hero h1{font-size:clamp(38px,4.4vw,60px)}.hero-lead{font-size:16px;line-height:1.7}.hero-visual{min-height:330px}.platform-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;padding:0 max(24px,calc((100vw - 1120px)/2));background:#2a343d;border-top:1px solid #26303a;border-bottom:1px solid #26303a}.platform-strip>div{display:grid;gap:5px;padding:22px 18px;background:#121920}.platform-strip strong{font-size:13px;color:#f5f1e8}.platform-strip span{font-size:11px;color:var(--muted)}.model-section,.workbench,.principles,.capability-section{padding-top:64px;padding-bottom:64px}.model-section,.principles{background:#11171e}.model-section+.model-section{border-top:1px solid #26303a}.section-heading h2,.workbench h2,.principles h2,.capability-section h2{font-size:30px}.section-heading>div>p:not(.eyebrow){margin:8px 0 0;color:var(--muted);font-size:13px}.model-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:20px}.model-card{min-height:160px;padding:17px}.model-card p{margin-top:15px}.model-card small{margin-top:14px}.capability-section{max-width:1120px;margin:0 auto}.capability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}.capability-grid article{min-height:190px;padding:22px;border:1px solid #2e3a45;background:#141b22;display:flex;flex-direction:column}.capability-index{color:var(--yellow);font:800 11px Consolas,monospace}.capability-grid h3{margin:28px 0 8px;font-size:19px;color:#f3f1e9}.capability-grid p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}.capability-grid a{margin-top:auto;padding-top:22px;color:var(--cyan);font-size:12px;font-weight:800;text-decoration:none}.access-note{max-width:none;padding:56px max(24px,calc((100vw - 1120px)/2));background:#151b22;border-top:1px solid #26303a;border-bottom:1px solid #26303a}.access-note h2{font-size:30px}.access-note p:not(.eyebrow){margin:10px 0 20px}.demo-section{background:#0f151b}.demo-grid{max-width:1120px;margin:24px auto 0;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.demo-card{padding:18px;border-radius:8px;background:#171e26}.demo-card-head{min-height:52px;margin-bottom:14px}.demo-card h3{font-size:19px}.demo-card .button{min-height:36px;padding:7px 12px;font-size:12px}.demo-card canvas{max-width:300px}.principles{padding-top:56px}.principle-grid{gap:12px;margin-top:24px}.principle-grid article{padding:18px}.principle-grid h3{margin-top:16px;font-size:16px}@media(max-width:860px){.hero{min-height:auto}.hero-visual{min-height:280px}.platform-strip{grid-template-columns:repeat(2,1fr)}.model-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.capability-grid{grid-template-columns:1fr}}@media(max-width:560px){.hero{padding-top:44px;padding-bottom:44px}.hero h1{font-size:38px}.platform-strip{grid-template-columns:1fr;padding:0 16px}.platform-strip>div{padding:16px}.model-section,.workbench,.principles,.capability-section{padding-top:48px;padding-bottom:48px}.model-grid,.demo-grid{grid-template-columns:1fr}.access-note{padding:44px 16px}.demo-card canvas{max-width:280px}}