:root{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#133c37;background:#f3f7f7;color-scheme:light}
*{box-sizing:border-box}
body{margin:0;padding:32px 20px 64px;line-height:1.6}
main{max-width:880px;margin:auto}
h1{font-size:30px;line-height:1.2;letter-spacing:-1px;margin:8px 0 18px}
.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:#0f766e}
.intro{font-size:16px;max-width:700px}
.card{background:#fff;border:1px solid #dfeae7;border-radius:18px;padding:22px;margin:22px 0;box-shadow:0 10px 36px #0f766e07}
li{padding:5px 0}
strong{color:#123f37}
a{color:#0f766e;text-decoration-thickness:1px;text-underline-offset:3px}
.code-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
button{border:0;border-radius:11px;padding:11px 17px;background:#0f766e;color:#fff;font:inherit;font-weight:600;cursor:pointer}
button:focus-visible,a:focus-visible{outline:2px solid #0f766e;outline-offset:4px}
pre{font:12px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;color:#d0ece6;background:#102822;border-radius:13px;padding:18px;max-height:550px;overflow:auto;white-space:pre;tab-size:2}
code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.92em}
.note{font-size:13px;color:#53746a}
#copy-status{font-size:13px;min-height:20px}
@media(max-width:500px){body{padding:24px 14px 48px}.card{padding:18px}h1{font-size:26px}}