:root{color-scheme:light;font-family:system-ui,-apple-system,"PingFang SC",sans-serif;color:#173d34;background:#f5f3ed}*{box-sizing:border-box}body{margin:0;min-height:100svh;display:grid;place-items:center;padding:24px}main{width:min(100%,540px);padding:clamp(26px,6vw,48px);border:1px solid #d5ded7;border-radius:24px;background:#fff;box-shadow:0 18px 55px #173d3410}.brand{font-weight:750;font-size:26px;margin:0 0 40px}.eyebrow{font-size:12px;letter-spacing:.14em;color:#687a70}h1{font-size:clamp(26px,5vw,34px);line-height:1.3;margin:14px 0}.intro{line-height:1.8;color:#59685f}label{display:block;font-weight:650;margin:28px 0 10px}input,button{font:inherit;width:100%;border-radius:12px;min-height:54px}input{font-size:20px;letter-spacing:.08em;padding:12px 16px;border:1px solid #99b2a5;outline-offset:4px}button{border:0;background:#155740;color:#fff;margin-top:16px;cursor:pointer;font-weight:650;padding:14px}button:disabled{opacity:.6;cursor:wait}.secondary{background:#f0f4ef;color:#315444}#status{min-height:25px;line-height:1.6;color:#863c27}details{font-size:14px;line-height:1.7;color:#617166}summary{cursor:pointer;min-height:36px}button:focus-visible,summary:focus-visible{outline:3px solid #457b64;outline-offset:4px}