:root {
  --bg: #0f1115;
  --card: #171a21;
  --text: #e8e9ec;
  --muted: #9aa0a8;
  --accent: #4f7cff;
  --border: #262a33;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  padding: 24px;
}

.page {
  max-width: 560px;
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 32px;
}

h1 {
  margin: 0 0 16px;
  font-size: 22px;
  font-weight: 600;
}

p {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--text);
}

.hint {
  font-size: 13px;
  color: var(--muted);
}

.notice p {
  color: var(--text);
}

.muted {
  color: var(--muted);
  font-size: 13px;
  margin-top: 20px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

code {
  background: #1f232c;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

.warn {
  border-color: #7a1f1f;
  box-shadow: 0 0 0 1px #7a1f1f, 0 0 40px rgba(255, 60, 60, 0.15);
  text-align: center;
}

.warn-icon {
  font-size: 48px;
  margin-bottom: 8px;
}

.warn h1 {
  color: #ff5c5c;
  font-size: 28px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.warn .lead {
  color: #ffb3b3;
  font-weight: 600;
  font-size: 16px;
}

.notice {
  text-align: center;
  border-color: #23406b;
  box-shadow: 0 0 0 1px #23406b, 0 0 40px rgba(79, 124, 255, 0.15);
}

.notice-icon {
  font-size: 44px;
  margin-bottom: 8px;
  color: var(--accent);
}

.notice .lead {
  color: var(--accent);
  font-weight: 600;
  font-size: 17px;
  margin-bottom: 20px;
}