*{box-sizing:border-box}body{margin:0;font:17px/1.65 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1d2733;background:#fbfaf7}
a{color:#0b5c7a}header,footer{background:#123b4a;color:#fff}header a,footer a{color:#fff;text-decoration:none}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}nav{display:flex;flex-wrap:wrap;gap:16px;align-items:center;padding:14px 0}
nav .brand{font-weight:700;margin-right:auto}main{padding:28px 0 48px}h1{line-height:1.25;font-size:1.9rem}h2{margin-top:2em}
.card{background:#fff;border:1px solid #e3e0d8;border-radius:10px;padding:18px 20px;margin:14px 0}
.note{background:#fff7e0;border-left:4px solid #d9a400;padding:12px 16px;border-radius:6px;font-size:.95rem}
.count{font-size:1.6rem;font-weight:700;color:#123b4a}table{border-collapse:collapse;width:100%;font-size:.95rem}
td,th{border:1px solid #ddd;padding:8px;vertical-align:top;text-align:left}th{background:#eef3f5}
input,button{font:inherit;padding:10px;border-radius:6px;border:1px solid #bbb}button{background:#123b4a;color:#fff;border:0;cursor:pointer}
footer{font-size:.85rem;padding:20px 0}.small{font-size:.85rem;color:#556}
@media(max-width:600px){h1{font-size:1.5rem}table{display:block;overflow-x:auto}}
.toc ol{margin:8px 0 0;padding-left:22px}.toc li{margin:4px 0}
.check{list-style:none;padding-left:0;margin:12px 0 0}
.check li{position:relative;padding:10px 0 10px 28px;border-bottom:1px solid #eee}
.check li:last-child{border-bottom:0}
.check li:before{content:"☐";position:absolute;left:0;color:#123b4a;font-size:1.05rem}
.cta{margin:14px 0 0;font-size:.95rem}
.cta a{margin-right:14px}
h3{margin-top:1.5em}#signup{scroll-margin-top:16px}