:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #1a1d26;
  --text-2: #5b6472;
  --accent: #3b6ef6;
  --border: #e6e8ef;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --card: #181b21;
    --text: #e8eaef;
    --text-2: #9aa3b2;
    --accent: #5b8cff;
    --border: #2a2e38;
  }
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 48px 20px; width: 100%; }
header { text-align: center; padding: 24px 0 32px; }
.avatar {
  width: 84px; height: 84px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #8a63f5);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 32px; font-weight: 700; margin: 0 auto 16px;
}
h1 { font-size: 24px; margin-bottom: 8px; }
.sub { color: var(--text-2); font-size: 14px; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px; margin-bottom: 16px;
}
.card h2 { font-size: 16px; margin-bottom: 12px; }
.desc { color: var(--text-2); font-size: 14px; }
.tag {
  display: inline-block; padding: 4px 12px; border-radius: 20px;
  background: rgba(59,110,246,.1); color: var(--accent);
  font-size: 13px; margin: 0 8px 8px 0;
}
.row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.row:last-child { border-bottom: none; }
.row .k { color: var(--text-2); }
footer { text-align: center; color: var(--text-2); font-size: 12px; padding: 24px 0; }
a { color: var(--accent); text-decoration: none; }
.ok { color: #18a058; font-weight: 600; }