:root{
  --bg: #0b1220;
  --card: #121a2b;
  --ink: #e9eef9;
  --muted:#b9c8dd;
  --accent:#7cc5ff;
  --ok:#42e6a0; --warn:#ffd166; --bad:#ff8fa3;
  --border:#243655; --shadow:0 10px 24px rgba(0,0,0,.28);
  --radius:16px; --maxw:1100px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif;line-height:1.7}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:24px}
.hidden{display:none}
.site-header{position:sticky;top:0;background:rgba(11,18,32,.8);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:50}
.header-inner{display:flex;align-items:center;gap:16px}
.brand{font-weight:800;letter-spacing:.3px;display:flex;align-items:center;gap:10px}
.brand-mark{font-size:1.25rem}
.site-nav{margin-left:auto;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.site-nav a{padding:8px 10px;border-radius:10px}
.site-nav a.active, .site-nav a.badge{background:#1b2947}
.btn{background:var(--accent);color:#001428;padding:8px 14px;border-radius:12px;font-weight:700}
.menu-toggle{display:none;background:#1b2947;color:var(--ink);border:none;border-radius:10px;padding:10px 12px}
@media (max-width: 860px){
  .menu-toggle{display:block;margin-left:auto}
  .site-nav{position:fixed;inset:64px 16px auto 16px;background:#0f1a31;border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:var(--shadow);display:none;flex-direction:column}
  html.nav-open .site-nav{display:flex}
}
.page-wrap{display:grid;grid-template-columns: 1fr;gap:24px}
@media (min-width: 980px){
  .page-wrap.has-sidebar{grid-template-columns: 1fr 320px}
}
.card{background:var(--card);color:#cfe2ff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card.pad{padding:24px}
.card h1,.card h2,.card h3{color:#fff}
.hero{display:grid;gap:18px;padding:28px;border-radius:var(--radius);background:linear-gradient(120deg,#101a33,#0b1220);border:1px solid var(--border)}
.hero-title{font-size:2rem;margin:0}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.actions .btn{background:#89d1ff}
.grid{display:grid;grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap:16px}
.card-item{padding:18px;border:1px solid var(--border);border-radius:14px;background:#0e172c}
.card-item h3{margin:.2rem 0 0.4rem}
.meta{color:var(--muted);font-size:.95rem}
.ad-slot{background:#0e172c;border:1px dashed var(--border);border-radius:14px;padding:16px;text-align:center}
.ad-slot small{color:var(--muted)}
input,textarea,select,button{font:inherit}
.input, .select, textarea{width:100%;background:#0e172c;color:var(--ink);border:1px solid var(--border);border-radius:10px;padding:10px}
button, .button{background:var(--accent);color:#001428;border:none;border-radius:12px;padding:10px 14px;font-weight:700}
form .row{display:grid;grid-template-columns:1fr;gap:12px}
@media (min-width:720px){form .row{grid-template-columns:1fr 1fr}}
.site-footer{border-top:1px solid var(--border);margin-top:40px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));gap:16px;margin-bottom:12px}
.footer-nav{display:grid;gap:6px}
.copyright{color:var(--muted);font-size:.95rem}
.sidebar{background:var(--card);border:1px solid var(--border);border-radius:var(--radius)}
@media (max-width: 860px){ .sidebar{display:none} }
.center{text-align:center}
.mt-2{margin-top:12px}.mt-3{margin-top:18px}.mt-4{margin-top:24px}.mt-5{margin-top:32px}