@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;700&family=Noto+Sans+SC:wght@400;500;700&display=swap");:root{--bg-top:#f4efe7;--bg-bottom:#dce8f2;--surface:hsla(0,0%,100%,.84);--surface-strong:#fff;--text:#1e2831;--muted:#5a6b7a;--primary:#0b6f61;--primary-strong:#08584d;--border:rgba(14,37,58,.1)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Manrope,Noto Sans SC,sans-serif;color:var(--text);background:radial-gradient(circle at 10% 10%,#fce7ce,transparent 40%),radial-gradient(circle at 90% 20%,#d5f0e3,transparent 35%),linear-gradient(160deg,var(--bg-top),var(--bg-bottom))}.shell{width:min(1080px,92vw);margin:0 auto;padding:36px 0 52px}.shell.narrow{width:min(840px,92vw)}.grid{margin-top:16px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:14px;gap:14px}.card{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:20px}.hero{margin-bottom:14px}h1,h3,p{margin:0}h1{font-size:clamp(30px,5vw,44px);letter-spacing:-.02em}.subtitle{margin-top:8px;color:var(--muted)}.eyebrow{font-size:12px;text-transform:uppercase;color:var(--muted);letter-spacing:.08em}.actions{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}.btn{border:1px solid transparent;border-radius:12px;padding:10px 14px;font:inherit;cursor:pointer;text-decoration:none;display:inline-flex;justify-content:center;align-items:center}.btn.primary{color:#fff;background:var(--primary)}.btn.primary:hover{background:var(--primary-strong)}.btn.ghost{border-color:var(--border);color:var(--text);background:var(--surface-strong)}.form{margin-top:16px;grid-gap:10px;gap:10px}.form,label{display:grid}label{grid-gap:6px;gap:6px;color:var(--muted);font-size:14px}input,textarea{width:100%;border:1px solid var(--border);background:#fff;border-radius:10px;padding:10px;font:inherit}.chat-head{margin-bottom:12px}.chat-box{display:grid;grid-gap:12px;gap:12px}.messages{min-height:320px;display:grid;grid-gap:10px;gap:10px}.bubble{max-width:90%;padding:12px;border-radius:12px;border:1px solid var(--border);background:#fff}.bubble.user{margin-left:auto;background:#ebf7f2}.bubble.assistant{margin-right:auto}.bubble small{display:block;margin-top:8px;color:var(--muted)}.composer{display:grid;grid-gap:10px;gap:10px}.error-banner{margin:0;padding:10px 12px;border-radius:12px;border:1px solid rgba(150,44,44,.18);background:hsla(0,100%,96%,.95);color:#8f2c2c}@media (max-width:720px){.shell{padding-top:22px}.card{border-radius:14px;padding:14px}}