:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --text: #172033;
  --muted: #5d667a;
  --line: #dbe2ee;
  --accent: #2266d8;
  --accent-dark: #174b9e;
  --surface: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.page {
  min-height: 100vh;
  width: min(900px, calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0;
}

.intro,
.projects {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 40px;
}

.projects {
  margin-top: 20px;
}

.avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  display: block;
  margin-bottom: 22px;
  border: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: 48px;
  line-height: 1.1;
}

h2 {
  margin: 0 0 20px;
  font-size: 24px;
}

.summary {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.links a:hover {
  background: var(--accent-dark);
}

.project-list {
  display: grid;
  gap: 14px;
}

.project-card {
  display: block;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: inherit;
  text-decoration: none;
  background: #fbfcff;
}

.project-card:hover {
  border-color: var(--accent);
}

.project-card span {
  display: block;
  font-size: 20px;
  font-weight: 700;
}

.project-card p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

@media (max-width: 520px) {
  .page {
    width: min(100% - 28px, 900px);
    padding: 28px 0;
  }

  .intro,
  .projects {
    padding: 26px 20px;
  }

  h1 {
    font-size: 36px;
  }

  .summary {
    font-size: 16px;
  }

  .links a {
    width: 100%;
    justify-content: center;
  }
}