*{box-sizing:border-box}body{margin:0;font:17px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1d2733;background:#f7f8fa}
.wrap{max-width:820px;margin:0 auto;padding:0 18px}header{background:#14365c;color:#fff}header .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;padding:12px 18px}
.logo{color:#fff;font-weight:700;font-size:1.15rem;text-decoration:none}nav a{color:#d6e4f5;margin-left:14px;text-decoration:none;font-size:.95rem}header nav a:first-child{margin-left:0}
main{background:#fff;padding:24px 22px 32px;margin:20px auto;border-radius:10px;box-shadow:0 1px 4px #0001}h1{line-height:1.25;color:#14365c}h2{color:#14365c;margin-top:1.8em}
a{color:#1f5fa8}.lead{font-size:1.1rem;color:#3a4756}.btn{display:inline-block;background:#e0702b;color:#fff;padding:11px 18px;border-radius:7px;text-decoration:none;font-weight:600}
.hero{padding:6px 0 10px}.note{font-size:.9rem;color:#5b6876;font-style:italic}.todo{border:2px dashed #e0702b;background:#fff6ef;padding:12px 14px;border-radius:8px;margin:22px 0}
.toc{background:#eef3f9;padding:10px 14px;border-radius:8px;font-size:.95rem}ul.q li{margin-bottom:4px}.tablewrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.92rem}
th,td{border:1px solid #d5dbe2;padding:8px;text-align:left}th{background:#eef3f9}.card{border:1px solid #d5dbe2;border-radius:8px;padding:4px 16px;margin:12px 0}
footer{color:#5b6876;font-size:.85rem;padding:10px 0 30px}@media(max-width:560px){nav a{margin:0 12px 0 0}main{padding:18px 14px;margin:10px 6px}h1{font-size:1.5rem}}