:root {
  --accent: #0984e3;
  --text: #2c3e50;
  --muted: #4e6e8e;
  --line: #eaecef;
}

html, body {
  margin: 0;
  padding: 0;
  background: #fff;
  color: var(--text);
  font-family: "Times New Roman", "SimSun", "宋体", serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.navbar {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  height: 3.6rem;
  padding: 0.7rem 1.5rem;
  box-sizing: border-box;
  line-height: 2.2rem;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.site-name { font-size: 1.3rem; font-weight: 600; color: var(--text); }
.links { position: absolute; top: 0.7rem; right: 1.5rem; font-size: 0.9rem; }
.links a { color: var(--text); padding-bottom: 0.25rem; border-bottom: 2px solid var(--accent); }

.page { padding-bottom: 2rem; }
.content { max-width: 740px; margin: 0 auto; padding: 2rem 2.5rem; }
.content > :first-child { margin-top: 3.6rem; }

.profile { display: flex; flex-direction: row; align-items: stretch; }
.profile .image { max-width: 120px; flex: 0 0 120px; }
.profile .image img { display: block; width: 100%; padding: 2px; border: 1px solid #f2f3f3; box-sizing: border-box; }
.profile .info { flex: 1 1 auto; display: flex; flex-direction: column; padding-left: 3rem; }
.name { font-size: 1.85rem; font-weight: 600; }
.bio p { margin: 0 0 0.5rem; }
.socials { display: flex; margin-bottom: 0.2rem; }
.socials img { width: 1.3rem; margin-right: 0.6rem; }
.email { font-family: "Times New Roman", "Courier New", monospace; }

.site-footer {
  max-width: 740px;
  margin: 0 auto;
  padding: 1rem 2.5rem 2rem;
  color: #9fa9aa;
  font-size: 0.9rem;
  text-align: center;
}

h2 {
  margin-top: -3.1rem;
  padding-top: 4.6rem;
  margin-bottom: 0.5rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--line);
  font-size: 1.65rem;
  line-height: 1.25;
  font-weight: 600;
}

h3 { margin: 1rem 0 0.4rem; font-size: 1.15rem; line-height: 1.35; }
p, ul, ol { line-height: 1.7; }
p { margin: 0 0 0.5rem; }
ul, ol { padding-left: 1.2em; margin-top: 0.35rem; }
li { margin-bottom: 0.3rem; }
strong { font-weight: 600; }

.kv { margin: 0.5rem 0; padding-left: 0; list-style: none; }
.kv li { margin-bottom: 0.25rem; }

@media (max-width: 719px) {
  .navbar { padding-left: 1.5rem; }
  .links { display: none; }
  .content { padding: 2rem; }
  .site-footer { padding-left: 2rem; padding-right: 2rem; }
}

@media (max-width: 419px) {
  .content { padding: 1.5rem; }
  .profile .image { max-width: 100px; flex-basis: 100px; }
  .profile .info { padding-left: 1.2rem; }
  .name { font-size: 1.55rem; }
  h2 { font-size: 1.45rem; }
  .site-footer { padding-left: 1.5rem; padding-right: 1.5rem; }
}