* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  color: #191F28;
  background: #F2F4F6;
  line-height: 1.65;
}
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 48px;
  background: #fff;
  min-height: 100dvh;
}
a { color: #3182F6; }
h1 {
  font-size: 26px;
  margin: 0 0 8px;
}
h2 {
  font-size: 18px;
  margin: 28px 0 8px;
}
p,
li {
  font-size: 15px;
  color: #333D4B;
}
ul { padding-left: 20px; }
.meta {
  color: #6B7684;
  font-size: 13px;
  margin-bottom: 26px;
}
.back {
  display: inline-block;
  margin-bottom: 22px;
  text-decoration: none;
  font-weight: 700;
}
.box {
  padding: 16px;
  border: 1px solid #E5E8EB;
  border-radius: 12px;
  background: #F8FAFB;
}