:root{color-scheme:light;--blue:#0866d9;--ink:#183149;--muted:#506378;--line:#dce6ef}*{box-sizing:border-box}body{margin:0;background:#fbfcff;color:var(--ink);font:16px/1.65 Arial,Helvetica,sans-serif}main{max-width:1160px;margin:auto;padding:0 40px}header{display:flex;justify-content:space-between;gap:20px;align-items:center;min-height:104px;border-bottom:1px solid var(--line)}a{color:var(--blue);text-decoration:none}.brand{font-weight:800;font-size:22px;letter-spacing:-.7px}.brand span{font-weight:400;margin-left:12px}.badge{font-size:12px;border-radius:20px;padding:6px 14px;background:#edf4ff;color:#0755b6}.hero{padding:64px 0 38px;max-width:790px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2px}.eyebrow,h1{color:var(--blue)}h1{font-size:clamp(34px,5vw,58px);line-height:1.17;letter-spacing:-1.6px;margin:20px 0}.intro{color:var(--muted);font-size:19px;max-width:650px}.notice{border-left:3px solid #d8bd75;padding:14px 20px;background:#fffaf0;margin-top:30px}.notice p{margin:4px 0 0;font-size:14px}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}article{background:white;border:1px solid var(--line);border-radius:16px;padding:24px}article>span{color:var(--blue);font-size:12px;font-weight:700}h2{font-size:18px;line-height:1.4;margin:10px 0}article p{color:var(--muted);font-size:14px;margin-bottom:0}.connection{margin-top:28px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px;background:#eef5ff;border-radius:16px}.connection h2{margin:0}.connection p{margin:6px 0 0;font-size:14px}button{flex-shrink:0;background:var(--blue);border:none;color:white;font:inherit;font-size:14px;font-weight:700;padding:12px 18px;border-radius:8px;cursor:pointer}button:hover{background:#0755b6}button:disabled{opacity:.65;cursor:wait}:focus-visible{outline:3px solid #ad710b;outline-offset:4px}footer{margin:35px 0 24px;font-size:12px;color:var(--muted)}@media (max-width:680px){main{padding:0 22px}header{min-height:88px;flex-wrap:wrap;padding:16px 0;gap:10px}.hero{padding-top:36px}.principles{grid-template-columns:1fr}.connection{align-items:flex-start;flex-direction:column}}.pilot-heading{padding:28px 0 0}.pilot-heading h1{font-size:38px}.login-panel{max-width:500px;padding:26px;border:1px solid var(--line);border-radius:16px;background:white}form{gap:14px;margin:20px 0}form,label{display:grid}label{gap:6px;font-size:14px;font-weight:600}input,select,textarea{width:100%;min-width:0;border:1px solid #aabed3;border-radius:7px;background:white;color:var(--ink);padding:11px;font:inherit}textarea{min-height:100px}.check{display:flex;align-items:flex-start}.check input{width:auto;margin-top:6px}.secondary{background:white;color:var(--blue);border:1px solid var(--line)}.secondary:hover{background:#edf4ff}.workspace{display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px}aside{border-right:1px solid var(--line);padding-right:20px}aside>button{display:block;width:100%;text-align:left;margin-bottom:8px}aside h2,aside>button{overflow-wrap:anywhere}.actions,nav{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}nav button{padding:9px 12px}.workbody article{margin:14px 0}small{display:block;font-size:11px;color:var(--muted)}blockquote,small{overflow-wrap:anywhere}blockquote{margin:12px 0;padding:12px;border-left:3px solid #a7c9ee;white-space:pre-wrap;background:#f4f8ff}.graph{height:400px;border:1px solid var(--line);border-radius:12px;background:white}.answer{white-space:pre-wrap;overflow-wrap:anywhere}summary{cursor:pointer;color:var(--blue)}.download{display:inline-block;background:var(--blue);color:white;border-radius:8px;padding:12px 18px}@media (max-width:800px){.workspace{grid-template-columns:1fr}aside{border-right:0;padding-right:0}}