:root{--blue:#075fb8;--dark:#16324a;--light:#eef6ff;--line:#d0d5dd;--muted:#667085}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:#1f2937;background:#f6f8fb}
header{background:linear-gradient(135deg,#075fb8,#16324a);color:#fff;padding:28px 20px}
.wrap{max-width:980px;margin:auto}.brand{display:flex;gap:16px;align-items:center}.brand img{width:70px;max-height:70px;object-fit:contain}
nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0}.nav{display:flex;flex-wrap:wrap;gap:8px;padding:10px 20px}
nav a,.button{display:inline-block;text-decoration:none;color:var(--blue);padding:9px 12px;border-radius:8px;font-weight:650}
nav a:hover,.button:hover{background:var(--light)}main{max-width:980px;margin:22px auto;background:#fff;padding:28px;border:1px solid var(--line);border-radius:14px}
h1,h2,h3{color:var(--dark)}h1{margin:0}h2{margin-top:30px;border-bottom:2px solid var(--light);padding-bottom:7px}
.card{background:var(--light);border-left:4px solid var(--blue);padding:16px;border-radius:8px;margin:16px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}.tile{border:1px solid var(--line);border-radius:12px;padding:16px}
small,.muted{color:var(--muted)}footer{max-width:980px;margin:0 auto 30px;padding:0 10px;color:var(--muted);text-align:center}
iframe{width:100%;height:78vh;border:1px solid var(--line);border-radius:10px}ul{line-height:1.6}
.warning{border:1px solid #e5b94c;background:#fff8df;padding:14px;border-radius:8px}