:root{color:#10231e;font-synthesis:none;--ink:#0d2e25;--deep:#052f25;--deep-2:#0a3c30;--lime:#9be40b;--lime-soft:#e9f8ca;--paper:#f5f7f3;--line:#dfe5df;--muted:#6f7975;--amber:#e89d1c;--shadow:0 16px 45px #06282024;background:#06271f;font-family:SF Pro Display,PingFang SC,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{cursor:pointer;color:inherit;border:0}button:focus-visible,input:focus-visible{outline-offset:2px;outline:3px solid #9be40b73}.prototype-stage{background:radial-gradient(circle at 25% 20%,#0e4a3b 0,#06271f 38%,#031b16 100%);grid-template-columns:minmax(360px,560px) 430px;justify-content:center;align-items:center;gap:76px;min-height:100vh;padding:46px;display:grid}.stage-copy{color:#fff;max-width:560px}.stage-mark{color:var(--lime);letter-spacing:.04em;align-items:center;gap:10px;font-weight:700;display:inline-flex}.stage-copy h1{letter-spacing:-.045em;margin:28px 0 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