:root {
  --bg: #f7fbfc;
  --surface: #ffffff;
  --ink: #102027;
  --muted: #596b73;
  --brand: #0b7189;
  --brand-dark: #075264;
  --accent: #e1f5f9;
  --border: #d8e8ec;
  --shadow: 0 18px 45px rgba(16, 32, 39, .10);
  --radius: 22px;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top left, rgba(11,113,137,.12), transparent 32rem), var(--bg);
  line-height: 1.65;
}
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); text-decoration: underline; }
.container { width: min(100% - 2rem, var(--max)); margin: 0 auto; }
.skip-link { position: absolute; left: -9999px; top: auto; }
.skip-link:focus { left: 1rem; top: 1rem; background: var(--ink); color: #fff; padding: .75rem; border-radius: .5rem; z-index: 99; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.92); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 74px; gap: 1rem; }
.logo { display: flex; align-items: center; gap: .75rem; font-weight: 800; letter-spacing: .02em; color: var(--ink); }
.logo-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: linear-gradient(135deg, var(--brand), #3fc1c9); color: #fff; font-weight: 900; box-shadow: 0 10px 25px rgba(11,113,137,.26); }
.nav-links { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.nav-links a { color: var(--ink); font-weight: 700; font-size: .94rem; }
.nav-links a.active, .nav-links a:hover { color: var(--brand); text-decoration: none; }
.hero { padding: 5rem 0 3rem; }
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 2rem; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: .5rem; color: var(--brand-dark); background: var(--accent); border: 1px solid var(--border); border-radius: 999px; padding: .35rem .75rem; font-weight: 800; font-size: .9rem; }
h1 { font-size: clamp(2.4rem, 6vw, 5.2rem); line-height: .98; letter-spacing: -.06em; margin: 1rem 0; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.08; letter-spacing: -.04em; margin: 0 0 1rem; }
h3 { font-size: 1.35rem; line-height: 1.25; margin: 0 0 .5rem; }
p { margin: 0 0 1rem; }
.lede { font-size: clamp(1.12rem, 2vw, 1.35rem); color: var(--muted); max-width: 780px; }
.card { background: rgba(255,255,255,.9); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.5rem; }
.hero-card { transform: rotate(1deg); }
.hero-card .portrait { aspect-ratio: 1/1; border-radius: 28px; background: linear-gradient(135deg, #e1f5f9, #ffffff 45%, #d1eef3); border: 1px solid var(--border); display: grid; place-items: center; margin-bottom: 1rem; overflow: hidden; }
.hero-card .portrait svg { width: 70%; height: 70%; }
.cta-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; padding: .85rem 1.05rem; border-radius: 999px; border: 1px solid var(--brand); background: var(--brand); color: #fff; font-weight: 800; text-decoration: none; }
.button.secondary { background: transparent; color: var(--brand); }
.button:hover { text-decoration: none; color: #fff; background: var(--brand-dark); }
.button.secondary:hover { color: #fff; }
.section { padding: 3rem 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.kv { display: grid; gap: .7rem; }
.kv div { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem 0; border-bottom: 1px solid var(--border); }
.kv strong { color: var(--ink); }
.kv span { text-align: right; color: var(--muted); }
.article-list { display: grid; gap: 1rem; }
.article-card { display: grid; gap: .4rem; padding: 1.25rem; border: 1px solid var(--border); border-radius: 18px; background: #fff; }
.article-card time { color: var(--muted); font-size: .9rem; font-weight: 700; }
.article-meta { color: var(--muted); font-size: .95rem; margin-bottom: 1rem; }
.prose { max-width: 820px; }
.prose h1 { font-size: clamp(2rem, 5vw, 3.8rem); }
.prose h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-top: 2.2rem; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin: .55rem 0; }
.notice { background: #fff9e8; border: 1px solid #f3d48a; color: #5f4300; border-radius: 18px; padding: 1rem; }
.badge-list { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0; }
.badge { border: 1px solid var(--border); background: #fff; color: var(--brand-dark); padding: .35rem .65rem; border-radius: 999px; font-weight: 800; font-size: .85rem; }
.footer { margin-top: 3rem; padding: 2.5rem 0; border-top: 1px solid var(--border); color: var(--muted); background: rgba(255,255,255,.65); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 1rem; }
.footer a { font-weight: 700; }
.breadcrumbs { color: var(--muted); font-size: .95rem; margin-bottom: 1rem; }
.breadcrumbs a { font-weight: 700; }
.table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 16px; overflow: hidden; }
.table th, .table td { padding: .9rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.table th { background: var(--accent); }
.form { display: grid; gap: 1rem; }
.form input, .form textarea { width: 100%; padding: .9rem 1rem; border-radius: 12px; border: 1px solid var(--border); font: inherit; }
.form small { color: var(--muted); }
@media (max-width: 850px) {
  .hero-grid, .grid-3, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .nav { align-items: flex-start; flex-direction: column; padding: 1rem 0; }
  .hero { padding-top: 3rem; }
}