:root {
  --bg: #f3f7fc;
  --panel: #ffffff;
  --text: #111827;
  --muted: #58667f;
  --line: #dce6f4;
  --accent: #2563eb;
  --accent-2: #0891b2;
  --shadow: 0 16px 42px rgba(15, 23, 42, .10);
  --radius: 24px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 0%, rgba(37, 99, 235, .14), transparent 32%),
    radial-gradient(circle at 100% 0%, rgba(8, 145, 178, .12), transparent 30%),
    var(--bg);
  color: var(--text);
}
a { color: inherit; }
.topbar {
  min-height: 64px;
  display: flex;
  align-items: center;
  padding: 10px clamp(18px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.92);
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(10px);
}
.brand { display: inline-flex; gap: 12px; align-items: center; text-decoration: none; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center;
  color: #fff; font-weight: 900; background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: var(--shadow);
}
.brand strong { display: block; font-size: 1.08rem; }
.page { width: min(1180px, calc(100% - 34px)); margin: 0 auto; }
.intro { padding: clamp(34px, 6vw, 58px) 0 20px; }
.compact-intro { padding-top: 42px; }
.intro h1 { margin: 0; font-size: clamp(2.4rem, 6vw, 5.4rem); line-height: .95; letter-spacing: -0.06em; max-width: 980px; }
.subtitle { margin: 20px 0 0; color: var(--muted); font-size: clamp(1rem, 2vw, 1.28rem); }
.update-note {
  margin: 18px 0 0; display: inline-block; background: rgba(255,255,255,.76); border: 1px solid var(--line);
  border-radius: 16px; padding: 10px 14px; color: var(--muted); font-size: .95rem;
}
.article-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px; padding: 20px 0 44px; }
.card, .empty-state, .article-shell {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.card { overflow: hidden; display: flex; flex-direction: column; min-height: 430px; }
.card-image-link { display: block; text-decoration: none; background: #eaf1fb; }
.card-image {
  display: block; width: 100%; height: 210px; object-fit: cover; object-position: center; border: 0;
}
.card-image.placeholder {
  height: 210px; display: grid; place-items: center; font-weight: 900; font-size: 2rem; color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.card-content { padding: 20px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.card-top { display:flex; justify-content:space-between; gap:10px; align-items:center; color:var(--muted); font-size:.88rem; }
.card h2 { margin:0; font-size:1.25rem; line-height:1.2; letter-spacing:-.02em; }
.card h2 a { text-decoration:none; }
.card h2 a:hover { text-decoration: underline; }
.card p { margin:0; color:var(--muted); line-height:1.55; }
.empty-state { grid-column:1/-1; padding:28px; }
.day-list {
  display: flex; flex-wrap: wrap; gap: 10px; padding: 0 0 60px;
}
.day-list a {
  text-decoration: none; border: 1px solid var(--line); background: rgba(255,255,255,.85); border-radius: 999px;
  padding: 9px 13px; color: #334155; font-weight: 700;
}
.article-page { padding: 34px 0 70px; }
.article-shell { padding: clamp(24px, 5vw, 58px); max-width: 940px; margin: 0 auto; }
.back { display:inline-block; margin-bottom:22px; color:var(--muted); text-decoration:none; }
.hero-image { width: 100%; max-height: 480px; object-fit: cover; border-radius: 22px; border: 1px solid var(--line); margin: 0 0 26px; }
.eyebrow { margin:0 0 12px; color:var(--accent); text-transform:uppercase; letter-spacing:.14em; font-size:.78rem; font-weight:900; }
.article-shell h1 { margin:0 0 18px; font-size:clamp(2rem,5vw,4.4rem); line-height:1; letter-spacing:-.05em; }
.lead { font-size:1.18rem; color:var(--muted); line-height:1.65; }
.article-section { margin-top:28px; }
.article-section h2, .link-list h2 { margin:0 0 10px; }
.article-section p { color:#33405b; line-height:1.75; font-size: 1.03rem; }
.link-list { margin-top:32px; padding:20px; border-radius:18px; background:#f8fbff; border:1px solid var(--line); }
.link-list ul { margin: 0; padding-left: 20px; }
.link-list li { margin: 8px 0; }
.link-list a { color:var(--accent); }
code { background:#eef3ff; border:1px solid var(--line); border-radius:6px; padding:2px 5px; }
@media (max-width: 980px) { .article-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 640px) {
  .article-grid { grid-template-columns: 1fr; }
  .intro h1 { font-size:2.7rem; }
  .card { min-height: auto; }
}