:root {
  --bg: #f7f8fa; --surface: #fff; --text: #1d2433; --muted: #5b6475;
  --primary: #1f4e8c; --primary-dark: #163a68; --border: #dde2ea;
  --warn-bg: #fff6e0; --warn-border: #e0a800; --info-bg: #eaf1fb;
  --radius: 10px; --max: 1080px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; line-height: 1.6; color: var(--text); background: var(--bg); display: flex; flex-direction: column; min-height: 100vh; }
a { color: var(--primary); }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--warn-border); outline-offset: 2px; }
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }
main { flex: 1; padding-top: 2rem; padding-bottom: 3rem; }
.skip { position: absolute; left: -999px; top: 0; background: var(--primary); color: #fff; padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: 0; }
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem; padding-top: .75rem; padding-bottom: .75rem; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--text); font-weight: 600; }
.brand-mark { display: inline-grid; place-items: center; width: 2.5rem; height: 2.5rem; border-radius: 8px; background: var(--primary); color: #fff; font-size: .85rem; letter-spacing: .05em; }
.nav { list-style: none; display: flex; flex-wrap: wrap; gap: .25rem; margin: 0; padding: 0; }
.nav a { display: block; padding: .4rem .7rem; border-radius: 6px; text-decoration: none; color: var(--muted); }
.nav a:hover, .nav a[aria-current="page"] { background: var(--info-bg); color: var(--primary-dark); }
h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); line-height: 1.2; margin: .5rem 0 1rem; }
h2 { font-size: 1.35rem; margin-top: 2.5rem; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 60ch; }
.hero { padding: 2rem 0 1rem; }
.btn { display: inline-block; padding: .6rem 1.1rem; border-radius: 8px; background: var(--primary); color: #fff; text-decoration: none; font-weight: 600; border: 2px solid var(--primary); margin: .25rem .25rem .25rem 0; }
.btn:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-ghost { background: transparent; color: var(--primary); }
.btn-ghost:hover { background: var(--info-bg); color: var(--primary-dark); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1rem; margin-top: 1rem; }
.card { display: block; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.2rem; text-decoration: none; color: var(--text); transition: box-shadow .15s, border-color .15s; }
.card:hover { border-color: var(--primary); box-shadow: 0 4px 14px rgba(31, 78, 140, .12); }
.card h3 { margin: 0 0 .35rem; font-size: 1.1rem; color: var(--primary-dark); }
.card p { margin: 0; color: var(--muted); }
.badge { display: inline-block; vertical-align: middle; font-size: .72rem; font-weight: 600; padding: .15rem .55rem; border-radius: 999px; background: var(--info-bg); color: var(--primary-dark); border: 1px solid #c6d7f0; }
.badge-warn { background: var(--warn-bg); color: #7a5600; border-color: var(--warn-border); }
.notice { background: var(--info-bg); border-left: 4px solid var(--primary); padding: .9rem 1.1rem; border-radius: 6px; margin: 1.25rem 0; }
.notice-warn { background: var(--warn-bg); border-left-color: var(--warn-border); }
.contact { background: var(--surface); border: 1px dashed var(--border); padding: .9rem 1.1rem; border-radius: 6px; }
.crumbs { list-style: none; display: flex; flex-wrap: wrap; gap: .35rem; padding: 0; margin: 0 0 .5rem; font-size: .9rem; color: var(--muted); }
.crumbs li + li::before { content: "›"; margin-right: .35rem; }
.site-footer { background: var(--surface); border-top: 1px solid var(--border); font-size: .9rem; color: var(--muted); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .5rem; padding-top: 1rem; padding-bottom: 1rem; }
.footer-links { list-style: none; display: flex; gap: 1rem; margin: 0; padding: 0; }
@media (max-width: 600px) { .header-inner { flex-direction: column; align-items: flex-start; } main { padding-top: 1.25rem; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }