:root { --bg: #fbfaf7; --fg: #1d2420; --muted: #5f6b64; --brand: #1f7a4d; --card: #fff; }
* { box-sizing: border-box; }
body { margin: 0; font: 17px/1.6 Georgia, 'Times New Roman', serif; color: var(--fg); background: var(--bg); }
header { display: flex; justify-content: space-between; align-items: center; padding: 20px 48px; background: var(--card); border-bottom: 1px solid #e7e4dc; }
.logo { font: 700 1.35rem/1 system-ui, sans-serif; color: var(--brand); text-decoration: none; }
nav a { margin-left: 26px; color: var(--muted); text-decoration: none; font-family: system-ui, sans-serif; font-size: 0.95rem; }
nav a[aria-current='page'] { color: var(--brand); font-weight: 600; }
main { max-width: 980px; margin: 0 auto; padding: 64px 48px 200px; }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1.15; margin: 0 0 18px; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 640px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.card { background: var(--card); padding: 22px; border-radius: 12px; border: 1px solid #ece9e1; }
.card h3 { margin-top: 0; font-family: system-ui, sans-serif; }
table { border-collapse: collapse; width: 100%; margin-top: 30px; font-family: system-ui, sans-serif; }
td, th { text-align: left; padding: 12px; border-bottom: 1px solid #e7e4dc; }
.note { margin-top: 48px; padding: 16px 20px; background: #eef6f1; border-radius: 10px; font: 0.95rem/1.5 system-ui, sans-serif; }
section { scroll-margin-top: 90px; border-radius: 12px; }
section + section { margin-top: 44px; }
h2 { font-family: system-ui, sans-serif; font-size: 1.35rem; }
.hero { padding: 20px 0 10px; }
.button { display: inline-block; margin-top: 10px; padding: 12px 20px; border-radius: 10px; background: var(--brand); color: #fff; text-decoration: none; font: 600 1rem system-ui, sans-serif; }
.steps li { margin: 8px 0; }
blockquote { margin: 0; padding: 18px 22px; background: var(--card); border-left: 4px solid var(--brand); border-radius: 8px; font-style: italic; }
cite { display: block; margin-top: 8px; font-style: normal; color: var(--muted); font-size: 0.95rem; }
tr[id] { scroll-margin-top: 120px; }
@media (max-width: 720px) {
  header { padding: 16px; flex-wrap: wrap; gap: 8px; }
  nav a { margin: 0 14px 0 0; }
  main { padding: 32px 16px 200px; }
  .grid { grid-template-columns: 1fr; }
}