*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #1a1a1a;
  background: #fff;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

header {
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid #e5e5e5;
}

header .app-name {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #666;
  text-decoration: none;
}

header .app-name:hover { color: #1a1a1a; }

h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-top: 12px;
  color: #1a1a1a;
}

.meta {
  margin-top: 8px;
  font-size: 14px;
  color: #888;
}

h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 10px;
  color: #1a1a1a;
}

p { margin-bottom: 14px; }

ul, ol {
  margin: 0 0 14px 24px;
}

li { margin-bottom: 6px; }

a { color: #0070f3; text-decoration: none; }
a:hover { text-decoration: underline; }

.highlight {
  background: #f6f6f6;
  border-left: 3px solid #0070f3;
  padding: 14px 18px;
  border-radius: 0 6px 6px 0;
  margin: 20px 0;
  font-size: 15px;
}

footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid #e5e5e5;
  font-size: 14px;
  color: #888;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

footer a { color: #888; }
footer a:hover { color: #1a1a1a; text-decoration: underline; }