:root{
  --bg:#0b0c0f;
  --card:#12141a;
  --text:#e9eaee;
  --muted:#b7bcc7;
  --link:#8ab4ff;
  --border:#242833;
  --shadow: 0 12px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background: radial-gradient(1200px 700px at 50% -10%, rgba(138,180,255,.18), transparent 60%),
              radial-gradient(900px 600px at 20% 110%, rgba(120,214,198,.12), transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.5;
}
main{
  min-height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:32px 16px;
}
.container{
  width:min(980px, 100%);
  display:flex;
  flex-direction:column;
  gap:18px;
  align-items:center;
}
.card{
  width:min(820px, 100%);
  background:rgba(18,20,26,.78);
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow:var(--shadow);
  padding:18px;
  backdrop-filter: blur(10px);
}
.vk{
  width:100%;
  border-radius:12px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  background: #fff;
}
.vk img{
  display:block;
  width:100%;
  height:auto;
}
.footer{
  width:min(820px, 100%);
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:14px;
  color:var(--muted);
}
.footer a{
  color:var(--link);
  text-decoration:none;
}
.footer a:hover{ text-decoration:underline; }
.page{
  width:min(820px, 100%);
  background:rgba(18,20,26,.78);
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow:var(--shadow);
  padding:22px;
  backdrop-filter: blur(10px);
}
h1{ font-size:22px; margin:0 0 12px 0; }
h2{ font-size:16px; margin:18px 0 8px; }
p,li{ color:var(--text); }
.small{ color:var(--muted); font-size:13px; }
hr{ border:none; border-top:1px solid var(--border); margin:18px 0; }
a{ color:var(--link); }