:root {
  --ink: #172026;
  --muted: #61717c;
  --paper: #f7faf9;
  --card: #ffffff;
  --teal: #0f766e;
  --teal-dark: #0b5b54;
  --lime: #dcefe9;
  --line: #d8e0e4;
  --shadow: 0 4px 14px rgba(23, 32, 38, .06);
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif; }
.site-header { padding: 28px 24px 24px; border-bottom: 1px solid var(--line); background: #eef5f2; }
.site-header__inner, main, footer { width: min(1160px, calc(100% - 40px)); margin: auto; }
.eyebrow { margin: 0 0 8px; color: var(--teal); font-size: .76rem; font-weight: 800; letter-spacing: 0; }
h1 { max-width: 760px; margin: 0; font-size: 2rem; line-height: 1.2; letter-spacing: 0; }
.lede { max-width: 660px; margin: 8px 0 14px; color: var(--muted); font-size: .95rem; line-height: 1.6; }
.hub-nav { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; }
.hub-link { display: inline-flex; align-items: center; min-height: 38px; border: 1px solid #9ec6be; border-radius: 6px; color: #1e5e56; font-size: .86rem; font-weight: 700; line-height: 1.25; padding: 8px 11px; text-decoration: none; }
.hub-link:hover, .hub-link:focus-visible { border-color: var(--teal); background: #e4f2ee; outline: none; }
.hub-link.is-active { border-color: var(--teal); background: var(--teal); color: #fff; }
.summary { display: flex; gap: 20px; flex-wrap: wrap; color: var(--muted); font-size: .9rem; }
.summary strong { color: var(--teal); font-size: 1.1rem; }
main { margin-top: 0; }
.filters { position: sticky; z-index: 5; top: 12px; display: grid; grid-template-columns: minmax(180px, 2fr) repeat(6, minmax(104px, 1fr)) auto; gap: 12px; align-items: end; margin-top: 20px; padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255,255,255,.96); box-shadow: var(--shadow); backdrop-filter: blur(12px); }
label span { display: block; margin: 0 0 7px; color: var(--muted); font-size: .75rem; font-weight: 700; }
input, select, button { width: 100%; height: 44px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink); font: inherit; }
input, select { padding: 0 12px; }
input:focus, select:focus, button:focus-visible { outline: 3px solid rgba(23,107,104,.2); border-color: var(--teal); }
button { padding: 0 18px; color: #fff; background: var(--teal); border-color: var(--teal); cursor: pointer; font-weight: 700; }
button:hover { background: var(--teal-dark); }
.events { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; padding: 34px 0 70px; }
.event { display: flex; min-height: 300px; flex-direction: column; padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); box-shadow: var(--shadow); }
.event__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.date { color: var(--teal); font-size: .86rem; font-weight: 800; letter-spacing: .02em; }
.badge { padding: 5px 9px; border-radius: 999px; color: var(--teal-dark); background: #e5f2ef; font-size: .73rem; font-weight: 800; }
.badge--online { background: var(--lime); }
.event h2 { margin: 18px 0 16px; font-size: 1.28rem; line-height: 1.5; letter-spacing: -.015em; }
.facts { display: grid; gap: 9px; margin: 0; color: var(--muted); font-size: .9rem; }
.facts div { display: grid; grid-template-columns: 4.7em 1fr; gap: 8px; }
.facts dt { font-weight: 800; color: var(--ink); }
.facts dd { margin: 0; line-height: 1.55; }
.event__links { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; margin-top: auto; padding-top: 22px; }
.event__link { color: var(--teal); font-weight: 800; text-decoration: none; }
.event__link--map { color: #6d7900; }
.event__link:hover { text-decoration: underline; }
.empty { margin: 60px 0 100px; padding: 40px; text-align: center; color: var(--muted); }
.empty--error { color: #9c3434; }
footer { padding: 0 0 44px; color: var(--muted); font-size: .78rem; line-height: 1.7; }

@media (max-width: 860px) {
  .site-header { padding-top: 24px; }
  .filters { position: static; grid-template-columns: 1fr 1fr; }
  .search { grid-column: 1 / -1; }
  .events { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .hero__inner, main, footer { width: min(100% - 24px, 1160px); }
  .filters { grid-template-columns: 1fr; }
  .search { grid-column: auto; }
  .event { min-height: 0; }
}