:root {
  --paper: #f3eee5;
  --photo: #fbf9f4;
  --ink: #2a2522;
  --muted: #857a70;
  --wax: #9a2c2e;
  --border: #d9cfc1;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", Georgia, serif;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 56px 24px 72px;
}

header {
  margin-bottom: 32px;
}

.seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--wax);
  color: var(--photo);
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1;
  box-shadow: inset 0 0 0 3px rgba(251, 249, 244, 0.2);
}

h1 {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.04em;
  margin: 20px 0 4px;
}

h2 {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  margin: 28px 0 8px;
}

p,
ul {
  margin: 0 0 12px;
}

ul {
  padding-left: 1.25em;
}

li {
  margin: 6px 0;
}

a {
  color: var(--wax);
  text-underline-offset: 3px;
}

.app,
.meta {
  color: var(--muted);
  margin: 0;
}

.meta {
  font-size: 14px;
  margin-top: 12px;
}

.meta a {
  color: inherit;
}

.card {
  background: var(--photo);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px 28px 20px;
}

.card > :first-child {
  margin-top: 0;
}

footer {
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  margin-top: 32px;
}

footer a {
  color: inherit;
  text-decoration: none;
}

.home {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 40px;
  padding-bottom: 40px;
}

.tagline {
  font-family: var(--serif);
  font-size: 18px;
  margin: 24px 0 32px;
}

@media (max-width: 480px) {
  main {
    padding: 36px 18px 56px;
  }

  .card {
    padding: 18px 18px 14px;
  }

  h1 {
    font-size: 26px;
  }
}