:root{--green:#1f4e2c;--green-light:#2f7a44;--red:#c0392b;--orange:#e08a1e;--bg:#f7f8f6;--text:#1a1f1c;--muted:#5b665e;--border:#e2e7e1}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.55}a{color:var(--green-light)}.container{max-width:1080px;margin:0 auto;padding:0 20px}.nav{background:var(--green);color:#fff}.nav .container{display:flex;align-items:center;gap:24px;height:60px}.nav a{color:#fff;text-decoration:none;font-weight:500}.nav a:hover{text-decoration:underline}.brand{font-weight:800;font-size:20px;letter-spacing:-.02em}.hero{background:linear-gradient(160deg,var(--green) 0,var(--green-light) 100%);color:#fff;padding:64px 0}.hero h1{font-size:40px;line-height:1.1;margin:0 0 16px;letter-spacing:-.02em}.hero p{font-size:19px;max-width:720px;opacity:.95}.btn{display:inline-block;background:#fff;color:var(--green);padding:12px 22px;border-radius:8px;font-weight:700;text-decoration:none;margin-top:20px}.btn-outline{background:transparent;color:#fff;border:2px solid #fff}.section{padding:48px 0}.grid{display:grid;grid-gap:20px;gap:20px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}.card h3{margin:0 0 8px;color:var(--green)}.quote{background:#fff;border-left:4px solid var(--orange);border-radius:8px;padding:16px 18px}.quote blockquote{margin:0 0 8px;font-size:17px;font-style:italic}.quote .who{color:var(--muted);font-size:14px}.tag{display:inline-block;background:#eef3ec;color:var(--green);border-radius:999px;padding:2px 10px;font-size:12px;margin:2px 4px 2px 0}.disclaimer{background:#fff8ec;border:1px solid #f0dcae;color:#6b5418;border-radius:8px;padding:12px 14px;font-size:14px}.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:14px;margin:8px 0}.legend .dot{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:middle}.footer{background:#11261a;color:#cdd8d0;padding:28px 0;font-size:14px;margin-top:48px}.chat-fab{bottom:20px}.chat-fab,.chat-panel{position:fixed;right:20px;z-index:1000}.chat-panel{bottom:80px;width:min(420px,92vw);height:540px;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:0 12px 40px rgba(0,0,0,.18);display:flex;flex-direction:column;overflow:hidden}.chat-head{background:var(--green);color:#fff;padding:12px 16px;font-weight:700}.chat-msgs{flex:1 1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px}.msg{padding:10px 12px;border-radius:10px;max-width:85%;white-space:pre-wrap;font-size:15px}.msg.user{align-self:flex-end;background:#eef3ec}.msg.assistant{align-self:flex-start;background:#f3f4f2;border:1px solid var(--border)}.chat-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--border)}.chat-input input{flex:1 1;padding:10px;border:1px solid var(--border);border-radius:8px}.btn-green,.chat-input button{background:var(--green);color:#fff;border:none;border-radius:8px;padding:10px 16px;font-weight:700;cursor:pointer}.input,select{padding:10px;border:1px solid var(--border);border-radius:8px;width:100%}.row{display:grid;grid-gap:12px;gap:12px;grid-template-columns:1fr 1fr}label{font-size:14px;font-weight:600;display:block;margin:10px 0 4px}