:root{--bg:#f7f8fb;--panel:#ffffff;--panel-muted:#f1f4f8;--text:#172033;--muted:#67718a;--line:#dfe5ee;--brand:#126a5e;--brand-strong:#0b5148;--accent:#be5b2f;--danger:#b42318;--warning:#b76e00;--success:#087443;--shadow:0 12px 30px rgba(23,32,51,0.08)}*{box-sizing:border-box}html{min-height:100%;background:var(--bg)}body{margin:0;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(180deg,rgba(18,106,94,.08),rgba(18,106,94,0) 320px),var(--bg)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.app-shell{min-height:100vh}.topbar{justify-content:space-between;gap:24px;padding:18px clamp(18px,4vw,48px);border-bottom:1px solid rgba(223,229,238,.8);background:rgba(255,255,255,.78);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);position:-webkit-sticky;position:sticky;top:0;z-index:10}.brand,.topbar{display:flex;align-items:center}.brand{gap:10px;font-weight:800;letter-spacing:0}.brand-mark{width:34px;height:34px;border-radius:8px;display:grid;place-items:center;color:#fff;background:var(--brand);font-weight:900}.nav-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.page{width:min(1240px,calc(100% - 32px));margin:0 auto;padding:30px 0 56px}.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);grid-gap:36px;gap:36px;align-items:center;padding:52px 0 34px}.hero h1{margin:0;font-size:clamp(42px,6vw,76px);line-height:.94;letter-spacing:0}.hero p{color:var(--muted);font-size:18px;line-height:1.65;max-width:720px}.hero-visual{border-radius:8px;border:1px solid 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p{margin:0;color:var(--muted);line-height:1.5}.task-notice{display:flex;justify-content:space-between;gap:12px}.icon-button{width:36px;height:36px;display:inline-grid;place-items:center;flex:0 0 auto;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);cursor:pointer}.icon-button:hover{background:var(--panel-muted)}.code-block{margin:0;overflow-x:auto;white-space:pre-wrap;border:1px solid var(--line);border-radius:8px;padding:14px;background:#101828;color:#eef4ff;line-height:1.55}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(460px,100%)}.notice{border:1px solid var(--line);background:rgba(18,106,94,.08);border-radius:8px;padding:12px 14px;color:var(--brand-strong)}.error{color:var(--danger);font-weight:700}@media (max-width:860px){.grid-2,.hero,.metric-grid,.metric-grid.compact,.status-grid,.tool-grid{grid-template-columns:1fr}.tool-page{padding-top:12px}.tool-head{gap:10px}.tool-head 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