body{margin:0;background:#f2f7f4;color:#153f49;font:18px/1.7 system-ui,sans-serif}main{max-width:780px;margin:auto;padding:48px 24px}h1{font:normal clamp(2rem,5vw,3rem)/1.15 Georgia,serif}h2{font-size:1.35rem;margin-top:2rem}a{color:#007f8a;text-underline-offset:4px}p{margin:1.2em 0}