:root{--brand-orange:#ed703e;--brand-ink:#252824;--brand-paper:#f7f7f2;--surface-muted:#ecefe8;--accent-soft:#fae8dd;--text-secondary:#696e65;--surface:#fff;--border-subtle:#d6dad1;--logo-orange:#f9732d;--logo-ink:#0f1720;--logo-fold:#8d8999;--radius-control:8px;--radius-surface:12px;--type-body:16px;--type-small:14px;--type-page-title:24px;--type-hero:48px;--type-hero-mobile:32px;--control-min-height:44px}@font-face{font-family:Plex;src:url(/assets/IBMPlexSans-Regular-ByesYdoU.otf)}@font-face{font-family:Plex;src:url(/assets/IBMPlexSans-Medium-BSx7QPM9.otf);font-weight:500 700}@font-face{font-family:Noto;src:url(/assets/NotoSansSC-Regular-XZ19-sZJ.ttf);font-display:swap}*{box-sizing:border-box}body{background:var(--brand-paper);color:var(--brand-ink);font-variant-numeric:tabular-nums;margin:0;font:15px/1.65 Plex,Noto,PingFang SC,sans-serif}h1,h2,h3,p{margin:0}h1{letter-spacing:-.02em;text-wrap:balance;font-size:28px;font-weight:500;line-height:1.4}h2{font-size:18px;font-weight:500}h3{font-size:15px;font-weight:500}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit;color:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--brand-ink);outline-offset:3px}::selection{background:var(--accent-soft)}:root{scrollbar-color:#9b9f96 var(--brand-paper)}input,textarea{caret-color:var(--brand-orange)}input::placeholder,textarea::placeholder,.muted{color:var(--text-secondary)}.small,small{font-size:12px}.app{grid-template-columns:216px minmax(0,1fr);min-height:100svh;display:grid}.sidebar{background:var(--surface-muted);flex-direction:column;padding:30px 18px;display:flex}.brand img{object-fit:contain;width:132px;height:58px;margin-left:14px}.company{margin:28px 14px 24px}.company span{color:var(--text-secondary);margin-top:4px;font-size:12px;display:block}nav{gap:6px;display:grid}nav a{border-radius:8px;align-items:center;gap:12px;min-height:46px;padding:12px 15px;font-size:14px;display:flex}nav a:hover{background:#ffffff80}nav a[aria-current=page]{background:var(--accent-soft)}.icon{fill:none;stroke:currentColor;stroke-width:1.5px;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;width:19px;height:19px}.account{align-items:center;gap:12px;margin-top:auto;padding:40px 12px 0;display:flex}.account .link{display:block}.avatar{background:#dce1d6;border-radius:50%;place-items:center;width:34px;height:34px;display:grid}.shell{min-width:0}.topbar{border-bottom:1px solid var(--border-subtle);height:76px;color:var(--text-secondary);justify-content:space-between;align-items:center;padding:0 40px;font-size:12px;display:flex}main{padding:34px 40px 24px}.heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px;display:flex}.heading p{margin-top:8px;font-size:14px}.primary,.secondary,.link{border:0;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:9px 16px;font-size:14px;display:inline-flex}.primary{background:var(--brand-orange)}.secondary{background:var(--surface-muted)}.link{text-underline-offset:4px;background:0 0;padding:7px 0;font-size:12px;text-decoration:underline}.primary:hover,.secondary:hover{filter:brightness(.96)}.workspace{grid-template-columns:minmax(0,1fr) 350px;align-items:start;gap:28px;display:grid}.conversation-pane{background:var(--surface);border-radius:12px;flex-direction:column;height:calc(100svh - 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