:root {
  --bg: #faf7f0;
  --surface: #ffffff;
  --surface-2: #f0ede4;
  --ink: #20242b;
  --ink-soft: #59606b;
  --accent: #3a4f6b;
  --accent-ink: #ffffff;
  --line: #e2ded2;
  --danger: #a83228;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --surface: #1c2027;
    --surface-2: #22262e;
    --ink: #eef0f3;
    --ink-soft: #a3a9b3;
    --accent: #7d9bc4;
    --accent-ink: #10161f;
    --line: #2c3038;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}
a { color: var(--accent); }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 8px; top: 8px; background: var(--surface); padding: 8px 12px; border-radius: 8px; z-index: 20; }

.site-head { position: sticky; top: 0; z-index: 10; display: flex; justify-content: center; padding: 10px 0; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.3) blur(8px); border-bottom: 1px solid var(--line); }
.head-inner { width: 100%; max-width: 720px; display: flex; align-items: center; gap: 12px; padding: 0 16px; }
.logo { font-weight: 800; text-decoration: none; color: var(--ink); margin-right: auto; }

.menu { position: relative; }
.menu-btn { list-style: none; cursor: pointer; width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; border: 1px solid var(--line); background: var(--surface-2); color: var(--ink); font-size: 18px; }
.menu-btn::-webkit-details-marker { display: none; }
.menu[open] .menu-btn { border-color: var(--accent); color: var(--accent); }
.menu-panel { position: absolute; left: 0; top: calc(100% + 10px); width: min(84vw, 320px); max-height: 78vh; overflow-y: auto; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 12px 40px rgba(0,0,0,.28); padding: 10px 8px; z-index: 30; }
.menu-panel ul { list-style: none; margin: 0 0 6px; padding: 0; }
.menu-panel a { display: block; text-decoration: none; color: var(--ink); padding: 9px 10px; border-radius: 9px; font-size: 15px; font-weight: 600; border-left: 3px solid var(--sec, transparent); }
.menu-panel a:hover { background: var(--surface-2); }
.menu-panel a b { float: right; color: var(--ink-soft); font-size: 13px; }
.menu-home { border-left: 3px solid var(--accent) !important; }
.menu-i { display: inline-block; width: 1.3em; }
.menu-h { margin: 8px 10px 4px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; color: var(--ink-soft); }

main { max-width: 720px; margin: 0 auto; padding: 20px 16px 48px; }
.site-foot { max-width: 720px; margin: 0 auto; padding: 24px 16px 40px; border-top: 1px solid var(--line); }
.foot-nav { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 14px; }
.foot-nav a { font-weight: 600; font-size: 15px; }
.foot-disclaimer { color: var(--ink-soft); font-size: 13px; line-height: 1.5; }

h1 { font-size: 25px; line-height: 1.22; margin: 6px 0 14px; }
h2 { font-size: 19px; margin: 24px 0 10px; }
.crumbs { font-size: 13.5px; color: var(--ink-soft); margin-bottom: 10px; }
.crumbs a { color: var(--ink-soft); }
.crumbs .sep { margin: 0 6px; opacity: .5; }

.hero { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.hero-lead { margin: 8px 0 10px; }
.hero-lead2 { font-size: 15px; color: var(--ink-soft); }

.sec-h { margin-top: 26px; }
.sec-list, .topic-list, .contact-list { list-style: none; padding: 0; margin: 14px 0; display: grid; gap: 12px; }
.sec-card { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--sec, var(--line)); border-radius: var(--radius); padding: 14px 16px; }
.sec-card-head { text-decoration: none; color: var(--ink); display: block; }
.sec-title { display: block; font-weight: 700; font-size: 18px; color: var(--accent); }
.tc-icon { display: inline-flex; vertical-align: -5px; margin-right: 8px; color: var(--sec, var(--accent)); }
.menu-i { display: inline-flex; vertical-align: -4px; color: var(--sec, var(--accent)); }
.sec-lead { display: block; color: var(--ink-soft); font-size: 14.5px; margin: 2px 0 8px; }
.sec-open { display: block; font-size: 12.5px; font-weight: 700; color: var(--accent); }
.sec-topics { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 4px; }
.sec-topics a { font-size: 14.5px; }

.frame { border-left: 3px solid var(--sec, var(--accent)); padding: 2px 0 2px 14px; margin: 0 0 20px; color: var(--ink-soft); font-size: 15px; }
.topic-card { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--sec, var(--line)); border-radius: var(--radius); transition: border-color .14s ease; }
.topic-card > a { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); padding: 14px 16px; }
.tc-body { flex: 1; min-width: 0; }
.tc-title { display: block; font-weight: 700; color: var(--accent); }
.tc-desc { display: block; color: var(--ink-soft); font-size: 14px; margin-top: 3px; }
.tc-go { flex: none; font-size: 24px; color: var(--accent); }
.topic-card:hover { border-color: var(--sec, var(--accent)); }

.page-section .site-head, .page-topic .site-head { border-bottom: 2px solid var(--sec, var(--line)); }

.tblock { margin: 22px 0; }
.tblock ul { padding-left: 22px; margin: 8px 0; }
.tblock li { margin: 7px 0; }
.sut ul { list-style: none; padding: 0; }
.sut li { margin: 10px 0; }

.contact { background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 10px; padding: 12px 14px; font-size: 15px; }
.contact-name { font-weight: 700; font-size: 16px; }
.contact-when { font-size: 14px; color: var(--ink-soft); margin-top: 3px; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.c-act { text-decoration: none; font-weight: 600; font-size: 14px; padding: 8px 12px; border-radius: 999px; border: 1px solid var(--line); }
.c-tel { background: var(--danger); color: #fff; border-color: transparent; }
.c-mail, .c-site { background: var(--surface-2); color: var(--ink); }

.related ul { list-style: none; padding: 0; display: grid; gap: 6px; }
.related a { font-weight: 600; }
.sources li { font-size: 13.5px; color: var(--ink-soft); }