:root{--text:#1D1D1F;--text2:#6E6E73;--blau:#0071E3;--bg2:#F5F5F7;--linie:rgba(0,0,0,.08)}
*{box-sizing:border-box}body{margin:0;font:17px/1.6 -apple-system,BlinkMacSystemFont,Inter,'Segoe UI',system-ui,sans-serif;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased}
main{max-width:760px;margin:0 auto;padding:48px 16px 80px}a{color:var(--blau)}h1{font-size:clamp(32px,6vw,44px);letter-spacing:-.03em;margin:0 0 8px}
h2{font-size:21px;margin:36px 0 8px}p,li{color:#333}.klein{color:var(--text2);font-size:14px}.kasten{background:var(--bg2);border-radius:14px;padding:16px 18px;margin:20px 0}
header{border-bottom:1px solid var(--linie);padding:14px 16px}header a{font-weight:700;color:var(--text);text-decoration:none}