:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --text: #1f2937;
  --muted: #5b6472;
  --border: #d9dfeb;
  --accent: #214a8a;
  --accent-2: #17325f;
  --shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
  --radius: 18px;
  --max: 1024px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
  background: linear-gradient(180deg, #f9fbff 0%, var(--bg) 100%);
  color: var(--text);
  line-height: 1.65;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: 1rem 0;
}
.brand { display: flex; flex-direction: column; gap: .1rem; }
.brand strong { font-size: 1.1rem; }
.brand span { color: var(--muted); font-size: .95rem; }
.nav { display: flex; flex-wrap: wrap; gap: .4rem; }
.nav a {
  padding: .6rem .9rem; border-radius: 999px; color: var(--text); font-weight: 500;
}
.nav a.active, .nav a:hover { background: #edf3ff; color: var(--accent-2); text-decoration: none; }
.hero { padding: 3.4rem 0 2.2rem; }
.hero-grid {
  display: grid; grid-template-columns: 240px 1fr; gap: 2rem; align-items: start;
}
.card, .panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card { padding: 1.4rem; }
.photo-wrap { padding: .6rem; }
.photo {
  border-radius: 14px; overflow: hidden; background: #eef2f8; border: 1px solid var(--border);
}
.hero h1 { margin: 0; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.1; }
.subtitle { margin-top: .5rem; color: var(--muted); font-size: 1.1rem; }
.info-list { margin: 1.25rem 0 0; padding: 0; list-style: none; color: var(--muted); }
.info-list li { margin: .25rem 0; }
.grid-links {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-top: 1.5rem;
}
.quick-link {
  display: block; padding: 1rem 1.1rem; border: 1px solid var(--border); border-radius: 16px;
  background: var(--surface-2);
}
.quick-link strong { display: block; color: var(--text); margin-bottom: .3rem; }
.quick-link span { color: var(--muted); font-size: .95rem; }
.section { padding: 2.2rem 0; }
.section-title { margin: 0 0 1rem; font-size: 1.8rem; }
.section-intro { color: var(--muted); max-width: 50rem; margin-top: -.2rem; }
.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.panel { padding: 1.4rem 1.5rem; }
.panel h3 { margin: 0 0 .85rem; font-size: 1.2rem; }
ul.clean, ol.clean { margin: 0; padding-left: 1.2rem; }
ul.clean li, ol.clean li { margin: .65rem 0; }
.list-card { padding: 1.1rem 1.2rem; margin: .85rem 0 0; }
.pub-year {
  display: inline-block; min-width: 4rem; margin-right: .75rem; font-weight: 700; color: var(--accent-2);
}
.pub-item { margin: 0; }
.footer {
  margin-top: 2rem; border-top: 1px solid var(--border); background: rgba(255,255,255,0.8);
}
.footer-inner { padding: 1.4rem 0 2.1rem; color: var(--muted); font-size: .95rem; }
.notice {
  margin-top: 1rem; padding: .9rem 1rem; border-left: 4px solid #9eb7e5; background: #f4f8ff; color: var(--muted);
  border-radius: 10px;
}
.tagline { text-transform: uppercase; letter-spacing: .14em; color: #73809a; font-size: .78rem; font-weight: 700; }
@media (max-width: 860px) {
  .hero-grid, .two-col, .grid-links { grid-template-columns: 1fr; }
  .header-inner { flex-direction: column; align-items: flex-start; }
}