:root {
  --bg: #ffffff;
  --text: #1f2328;
  --muted: #57606a;
  --accent: #1d9e75;
  --border: #e4e8ec;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
}

.wrap {
  max-width: 640px;
  padding: 24px;
  text-align: center;
}

.eyebrow {
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 10px;
  font-size: 14px;
  letter-spacing: 1px;
}

h1 {
  font-size: 40px;
  margin: 0 0 16px;
  letter-spacing: 0.5px;
}

.desc {
  color: var(--muted);
  margin: 0;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }