* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: linear-gradient(135deg, #0f172a, #111827, #1e293b);
  color: #fff;
}
body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.container { width: 100%; max-width: 800px; }
.card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px;
  padding: 36px;
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 48px rgba(0,0,0,0.35);
}
.badge {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  font-size: 12px;
  margin-bottom: 16px;
}
h1 {
  margin: 0 0 20px;
  font-size: 38px;
}
.ip-box {
  font-size: 28px;
  font-weight: 700;
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(0,0,0,0.25);
  word-break: break-all;
}
.sub {
  margin-top: 18px;
  color: rgba(255,255,255,0.8);
}
code {
  background: rgba(0,0,0,0.25);
  padding: 3px 8px;
  border-radius: 8px;
}
.links {
  margin-top: 20px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.links a {
  color: #fff;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
}