:root {
  --bg: #fbfaf7; --ink: #1d2126; --muted: #5b6470; --line: #e3e0d8; --head: #f1eee6;
  --accent: #0b6e4f; --accent-soft: #e6f3ee;
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); line-height: 1.65; }
.hero, .wrap, .foot { max-width: 880px; margin: 0 auto; padding: 0 1.25rem; }
.hero { padding-top: 2rem; }
.meta { color: var(--muted); font-size: .9rem; margin: 0 0 .5rem; }
.author { color: var(--ink); font-weight: 600; }
h1 { font-family: var(--serif); font-size: 2rem; line-height: 1.2; margin: 0 0 .75rem; }
.lead { font-size: 1.1rem; margin: 0 0 1.5rem; }
h2 { font-family: var(--serif); font-size: 1.5rem; margin: 2.25rem 0 .6rem; }
h3 { font-size: 1.1rem; margin: 1.4rem 0 .35rem; }
a { color: var(--accent); }
code { background: var(--head); padding: .1em .35em; border-radius: 4px; font-size: .92em; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.card { display: block; text-decoration: none; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: .9rem 1rem; }
.card:hover { border-color: var(--accent); background: var(--accent-soft); }
.card .ico { display: block; color: var(--accent); margin-bottom: .5rem; }
.card strong { display: block; margin-bottom: .25rem; }
.card span { color: var(--muted); font-size: .92rem; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; min-width: 980px; }
th, td { text-align: left; padding: .55rem .65rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--head); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
td:first-child { font-weight: 600; white-space: nowrap; }

.fecho { background: var(--accent-soft); border-left: 3px solid var(--accent); padding: .7rem .9rem; border-radius: 0 8px 8px 0; }
ul, ol { padding-left: 1.25rem; }
li { margin: .3rem 0; }
details { border: 1px solid var(--line); border-radius: 8px; padding: .5rem .85rem; margin: .5rem 0; background: #fff; }
summary { cursor: pointer; font-weight: 600; }
details p { margin: .5rem 0 .25rem; }
.foot { color: var(--muted); font-size: .92rem; border-top: 1px solid var(--line); margin-top: 2.5rem; padding-top: 1rem; padding-bottom: 2rem; }

@media (max-width: 720px) {
  h1 { font-size: 1.55rem; }
  .cards { grid-template-columns: 1fr; }
}