.aihero{color:#fff;background:linear-gradient(160deg,#141010 0%,#3d241a 55%,#f9490a 135%);padding:60px 0 66px}.aihero h1{font-family:var(--font-display);letter-spacing:-.045em;font-size:38px;line-height:1.28}.aihero p{color:#a9b1d6;margin-top:14px;font-size:16px}.askbox{border-radius:var(--r-xl);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);margin-top:30px;padding:18px}.askbox textarea{color:#fff;resize:none;background:0 0;border:0;outline:none;width:100%;font-size:16.5px;line-height:1.65}.askbox textarea::placeholder{color:#7e88b4}.askbox-f{border-top:1px solid rgba(255,255,255,.12);justify-content:space-between;align-items:center;gap:12px;margin-top:12px;padding-top:12px;display:flex}.askbox-f .opts{flex-wrap:wrap;gap:6px;display:flex}.askbox-f .opts button{color:#b9c0e0;border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:5px 12px;font-size:12.5px;font-weight:600}.askbox-f .opts button.on{color:var(--ink);background:#fff;border-color:#fff}.exs{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.exs button{text-align:left;color:#c3c9e6;border:1px solid rgba(255,255,255,.16);border-radius:10px;max-width:340px;padding:9px 13px;font-size:13px;line-height:1.5}.exs button:hover{color:#fff;border-color:#fff}#thinking{padding:40px 0 0;display:none}.think-step{color:var(--muted);opacity:.35;align-items:center;gap:10px;padding:9px 0;font-size:14.5px;transition:all .3s;display:flex}.think-step.on{opacity:1;color:var(--ink)}.think-step i{border:2px solid var(--line);border-radius:50%;flex:none;width:18px;height:18px}.think-step.on i{border-color:var(--brand);background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}#result{padding:34px 0 80px;display:none}.est{border:1px solid var(--brand-line);border-radius:var(--r-xl);background:linear-gradient(#f7f8ff,#fff);padding:30px}.est .lbl{color:var(--brand-ink);font-size:13px;font-weight:700}.est .big{font-family:var(--font-display);letter-spacing:-.045em;margin:6px 0 4px;font-size:40px}.est .note{color:var(--muted);font-size:13px}.bar2{background:var(--canvas-2);border-radius:999px;height:10px;margin:22px 0 8px;position:relative}.bar2 i{background:linear-gradient(90deg,var(--brand),#7f87ff);border-radius:999px;position:absolute;top:0;bottom:0;left:22%;right:28%}.bar2-l{color:var(--muted);font-size:12px;font-family:var(--font-mono);justify-content:space-between;display:flex}.split2{grid-template-columns:1.15fr .85fr;align-items:start;gap:24px;display:grid}.fn{border-bottom:1px dashed var(--line);justify-content:space-between;align-items:center;padding:12px 0;font-size:14px;display:flex}.fn:last-child{border-bottom:0}.fn .r{font-family:var(--font-mono);font-weight:600}.case{border-bottom:1px solid var(--line-2);gap:14px;padding:16px 0;display:flex}.case:last-child{border-bottom:0}.case .th{color:#fff;text-align:center;border-radius:10px;flex:none;place-items:center;width:74px;height:56px;padding:4px;font-size:11px;font-weight:700;display:grid}.case h4{font-size:14.5px;line-height:1.5}.case .m{color:var(--muted);margin-top:5px;font-size:12.5px}.sim{font-family:var(--font-mono);color:var(--signal);font-size:12px;font-weight:700}@media (max-width:980px){.split2{grid-template-columns:1fr}.aihero h1{font-size:28px}.est .big{font-size:30px}}