:root {
  color-scheme: light;
  --ink: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #f7f8fa;
  --card: #ffffff;
  --accent: #0058e4;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: linear-gradient(180deg, #eef3fb 0%, var(--bg) 40%);
  color: var(--ink);
  line-height: 1.6;
}
.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}
.eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
h1 { margin: 0 0 12px; font-size: 28px; letter-spacing: -0.02em; }
h2 { margin: 0 0 10px; font-size: 16px; }
.lead { margin: 0 0 24px; color: var(--muted); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 16px;
}
.links { margin: 0; padding-left: 18px; }
.links li { margin: 6px 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.92em;
  background: #edf4ff;
  color: #0047b8;
  padding: 1px 6px;
  border-radius: 4px;
}
.meta { margin-top: 28px; font-size: 12px; color: #9ca3af; }
.logo {
  display: block;
  width: 96px;
  height: 96px;
  margin: 12px 0;
}