:root {
  --ink: #14213d;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #fbfaf7;
  --card: #ffffff;
  --accent: #c2410c;
  --accent-soft: #fff1e8;
  --ok: #166534;
  --ok-soft: #e8f5ec;
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans", sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Songti SC", serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f3f4f6; --text: #e5e7eb; --muted: #9ca3af; --line: #2d3340;
    --bg: #0f131a; --card: #171c25; --accent: #fb923c; --accent-soft: #2a1d14;
    --ok: #86efac; --ok-soft: #14261b;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; font-size: 16px; }
a { color: var(--accent); text-underline-offset: 3px; }
img { display: block; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; background: var(--card); padding: 8px 12px; z-index: 10; }

/* header */
.site-header { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.5) blur(10px); -webkit-backdrop-filter: saturate(1.5) blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; font-size: 18px; letter-spacing: -0.01em; }
.brand b { color: var(--accent); }
.nav { display: flex; gap: 4px; }
.nav a { color: var(--text); text-decoration: none; padding: 8px 10px; border-radius: 8px; font-size: 15px; }
.nav a[aria-current="page"] { color: var(--accent); font-weight: 600; }
.nav a:hover { background: var(--accent-soft); }

/* hero */
.hero { padding: 56px 0 32px; }
.eyebrow { margin: 0 0 12px; font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.hero h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(32px, 7vw, 56px); line-height: 1.1; letter-spacing: -0.02em; color: var(--ink); margin: 0 0 16px; }
.lead { font-size: clamp(17px, 2.4vw, 20px); color: var(--muted); max-width: 640px; margin: 0 0 28px; }
.search input { width: 100%; max-width: 640px; font: inherit; font-size: 17px; padding: 15px 18px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(20,33,61,.06); }
.search input:focus { outline: 2px solid var(--accent); outline-offset: 2px; }

/* list */
.list-section { padding-bottom: 64px; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 12px; }
.filters label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; flex: 1 1 140px; max-width: 220px; }
.filters select { font: inherit; font-size: 15px; text-transform: none; letter-spacing: 0; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--text); }
.count { color: var(--muted); font-size: 14px; margin: 8px 0 16px; }
.grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.card:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(20,33,61,.08); border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); }
.card a, .card-inner { display: block; padding: 18px; color: inherit; text-decoration: none; height: 100%; }
.card h3 { margin: 6px 0 0; font-size: 17px; line-height: 1.35; color: var(--ink); font-weight: 600; }
.card-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.city { font-size: 13px; color: var(--muted); }
.badge { font-size: 12px; padding: 3px 9px; border-radius: 999px; white-space: nowrap; font-weight: 600; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.soon { background: var(--accent-soft); color: var(--accent); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 0; }
.tags span { font-size: 12px; padding: 2px 8px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }

/* detail pages */
.page { padding: 32px 16px 72px; max-width: 820px; }
.page h1 { font-family: var(--serif); font-size: clamp(28px, 5vw, 42px); line-height: 1.15; letter-spacing: -0.015em; color: var(--ink); margin: 8px 0; }
.crumbs { font-size: 14px; color: var(--muted); }
.crumbs a { color: var(--muted); }
.meta { color: var(--muted); margin: 0 0 28px; }
.program, .notice { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; margin: 0 0 18px; }
.program h2, .notice h2 { margin: 0 0 14px; font-size: 21px; color: var(--ink); }
.program h3 { font-size: 15px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 22px 0 6px; }
.program p { margin: 0 0 8px; }
.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px 18px; margin: 0; }
.field dt { font-size: 13px; color: var(--muted); }
.field dd { margin: 2px 0 0; font-size: 16px; }
.rep { margin: 0; padding-left: 20px; }
.rep li { margin: 4px 0; }
.source { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 22px !important; padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; }
.btn { display: inline-block; background: var(--accent); color: #fff; text-decoration: none; padding: 10px 16px; border-radius: 10px; font-weight: 600; }
.prose ul { padding-left: 20px; }
.prose h2 { font-size: 20px; color: var(--ink); margin-top: 32px; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: 14px; }
.footer-inner p { margin: 4px 0; }

@media (max-width: 520px) {
  .header-inner { height: auto; flex-wrap: wrap; padding-top: 10px; padding-bottom: 4px; gap: 4px; }
  .nav { width: 100%; margin-left: -8px; }
  .nav a { padding: 6px 8px; font-size: 14px; }
  .hero { padding: 36px 0 20px; }
  .filters label { max-width: none; }
}