:root{
  --bg:#071624; --panel:#12263f; --panel2:#0d223b; --text:#ffffff;
  --muted:#c5cfdb; --accent:#59b8ff; --accent2:#0078ff; --border:#2d3d55;
}
*{box-sizing:border-box}
body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:inherit}
header{background:var(--panel2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.wrap{max-width:1050px;margin:auto;padding:0 20px}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-size:28px;font-weight:800;color:var(--accent);text-decoration:none}
nav{display:flex;gap:18px;flex-wrap:wrap}
nav a{text-decoration:none;color:var(--muted);font-size:15px}
nav a:hover{color:#fff}
.hero{padding:72px 0 42px;text-align:center}
.hero h1{font-size:52px;color:var(--accent);margin:0 0 12px}
.hero p{font-size:20px;color:var(--muted);margin:0}
main{padding:34px 0 70px}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--panel);border-radius:14px;padding:30px;box-shadow:0 10px 30px rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.04)}
.card h2,.card h3{color:#78c8ff;margin-top:0}
.btn{display:inline-block;margin-top:16px;padding:14px 28px;background:var(--accent2);color:#fff;text-decoration:none;font-weight:700;border-radius:8px}
.btn:hover{background:#3399ff}
.btn.secondary{background:transparent;border:1px solid #47739a}
.small{font-size:13px;color:var(--muted)}
ul{line-height:1.8}
form{display:grid;gap:16px}
label{font-weight:600}
input,select,textarea{
  width:100%;padding:12px;border-radius:8px;border:1px solid #35506b;
  background:#0b1d30;color:#fff;font:inherit
}
textarea{min-height:140px;resize:vertical}
button{padding:14px 24px;border:0;border-radius:8px;background:var(--accent2);color:#fff;font-weight:700;font-size:16px;cursor:pointer}
.notice{background:#0b1d30;border-left:4px solid var(--accent);padding:16px;border-radius:8px;color:var(--muted)}
footer{border-top:1px solid var(--border);padding:34px 0 45px;color:#b9c4d0;text-align:center}
.footer-links{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.footer-links a{text-decoration:none;color:#c9d7e5}
code{background:#20354d;padding:2px 6px;border-radius:4px}
@media(max-width:800px){
  .grid{grid-template-columns:1fr}.nav{align-items:flex-start;padding:16px 0;flex-direction:column}
  .hero h1{font-size:42px}
}