:root {
  --bg: #12140f;
  --card: #1c2118;
  --ink: #f3f0e6;
  --muted: #b7b3a4;
  --line: #3a4033;
  --accent: #d7ff3c;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(1200px 600px at 10% -10%, #2a331c 0%, transparent 55%),
    var(--bg);
  color: var(--ink);
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.14;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

.card {
  position: relative;
  width: min(420px, 100%);
  padding: 40px 28px 28px;
  background: color-mix(in srgb, var(--card) 88%, transparent);
  border: 1px solid var(--line);
  border-radius: 28px;
  text-align: center;
  backdrop-filter: blur(10px);
}

.avatar {
  width: 92px;
  height: 92px;
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #0e120c;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-family: Georgia, "Songti SC", "SimSun", serif;
  font-weight: 700;
  font-size: 40px;
  letter-spacing: -0.04em;
}

h1 {
  margin: 0;
  font-family: Georgia, "Songti SC", "SimSun", serif;
  font-size: 42px;
  letter-spacing: -0.05em;
}

.bio {
  margin: 10px 0 28px;
  color: var(--muted);
  line-height: 1.6;
}

.links {
  display: grid;
  gap: 10px;
}

.link {
  appearance: none;
  display: block;
  width: 100%;
  padding: 14px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  text-decoration: none;
  font: 500 16px "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  cursor: pointer;
}

.link:hover,
.link:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  outline: none;
}

.hint {
  margin: 16px 0 0;
  min-height: 1.4em;
  color: var(--accent);
  font-size: 14px;
}