*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:#0b1220;color:#e2e8f0;font-family:"Segoe UI",system-ui,sans-serif;line-height:1.75}
header.top{background:linear-gradient(rgba(11,18,32,.8),rgba(11,18,32,.9)),url(img/header-bg.jpg) center/cover no-repeat;padding:22px 32px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;border-bottom:2px solid #22d3ee}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:50px;height:50px;border-radius:50%;overflow:hidden;border:2px solid #22d3ee}
.logo img{width:100%;height:100%;object-fit:cover}
.brand h1{font-size:1.35rem;font-weight:600;margin:0}
.brand p{font-size:.72rem;opacity:.8;margin:1px 0 0;color:#67e8f9}
nav.main{display:flex;gap:4px;flex-wrap:wrap}
nav.main a{color:#a5f3fc;text-decoration:none;padding:8px 14px;font-size:.8rem;border-radius:4px}
nav.main a.on{background:#22d3ee;color:#0b1220}
main{max-width:800px;margin:0 auto;padding:36px 24px 80px}
h2{font-size:1.32rem;margin:32px 0 14px;color:#67e8f9;font-weight:600}
p,li{margin:0 0 15px}
ul{margin:0 0 15px 1.3em}
img{width:100%;height:auto;display:block;margin:16px 0;border-radius:6px}
.cap{color:#67e8f9;font-size:.8rem;margin:-8px 0 18px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}
.grid img{margin:0}
table{width:100%;border-collapse:collapse;margin:12px 0 18px;font-size:.9rem;background:#1e293b}
th,td{border-bottom:1px solid #334155;padding:9px 7px;text-align:left}
th{color:#67e8f9}
.note{background:#1e293b;padding:16px;margin:20px 0;border-left:4px solid #22d3ee;font-size:.9rem}
footer.bot{background:#070d1a;color:#a5f3fc;padding:36px 24px 20px;font-size:.86rem;border-top:2px solid #22d3ee}
.fgrid{max-width:900px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px}
footer.bot a{color:#67e8f9;text-decoration:none}
footer.bot h3{color:#fff;font-size:.9rem;margin:0 0 10px;font-weight:500}
.end{color:#64748b;font-size:.75rem;margin-top:16px;text-align:center}
a{color:#67e8f9}
@media(max-width:720px){.grid,.fgrid{grid-template-columns:1fr}header.top{flex-direction:column;text-align:center}nav.main{justify-content:center}}