:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-soft: #fafbfc;
  --text: #0f1a2a;
  --muted: #4f5f79;
  --gold: #b8914d;
  --gold-soft: #e5cc9b;
  --line: #dde3ec;
  --line-strong: #c5cedd;
  --shadow: 0 8px 24px rgba(8, 18, 35, 0.07);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, 92%); margin: 0 auto; }
.section { padding: 4rem 0; }
.section-title { margin: 0 0 1rem; font-size: clamp(1.5rem, 2.1vw, 2rem); }
.section h2 { font-size: clamp(1.5rem, 2.1vw, 2rem); margin: 0 0 1.05rem; }
.kicker { color: #806128; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; font-size: .8rem; }

.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.nav-wrap { display: flex; align-items: center; gap: 1rem; padding: .72rem 0; }
.brand { flex: 1; min-width: 0; }
.brand-cn { display: block; font-weight: 700; font-size: .95rem; }
.brand-en { display: block; font-size: .72rem; color: var(--muted); }
.main-nav { display: flex; align-items: center; gap: .5rem; }
.main-nav a {
  padding: .45rem .6rem;
  color: #31405b;
  border-radius: 8px;
  font-size: .86rem;
  border: 1px solid transparent;
}
.main-nav a.active,
.main-nav a:hover {
  background: var(--surface-soft);
  color: var(--text);
  border-color: var(--line);
}
.official-btn {
  border: 1px solid var(--gold-soft);
  background: #fff8ea;
  color: #6d4e16 !important;
  padding: .45rem .8rem;
  border-radius: 999px;
  font-weight: 700;
}
.nav-toggle { display: none; border: 0; background: transparent; font-size: 1.35rem; color: #2f3c54; }

.hero {
  min-height: 72vh;
  display: grid;
  place-items: center;
  text-align: center;
  position: relative;
  color: #fff;
  background: linear-gradient(rgba(6,15,28,.62), rgba(6,15,28,.7)), url('../assets/images/新聞台封面16：9.png') center/cover no-repeat;
}
.hero-content { width: min(950px, 92%); padding: 4.6rem 0; }
.hero h1 { font-size: clamp(1.9rem, 4vw, 3.15rem); margin: 0 0 .8rem; line-height: 1.25; }
.hero h1 span { display: block; font-size: .6em; font-weight: 600; opacity: .95; margin-top: .45rem; }
.hero p { margin: .35rem 0; font-size: 1rem; }
.hero .lead { color: #f4e7cf; font-weight: 600; }

.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.35rem; }
.btn {
  display: inline-block;
  padding: .65rem 1.05rem;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: .92rem;
}
.btn.primary { background: var(--gold); color: #fff; }
.btn.secondary { background: #fff; color: var(--text); border-color: var(--line); }
.btn.ghost { border-color: var(--gold-soft); color: #fff; }

.grid-2 { display: grid; gap: 1.25rem; grid-template-columns: repeat(2,minmax(0,1fr)); }
.grid-3 { display: grid; gap: 1.2rem; grid-template-columns: repeat(3,minmax(0,1fr)); }
.grid-4 { display: grid; gap: 1rem; grid-template-columns: repeat(4,minmax(0,1fr)); }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.15rem;
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 .42rem; font-size: 1.08rem; }
.card p { margin: 0 0 .58rem; color: var(--muted); }
.meta { font-size: .84rem; color: #65748f; }
.thumb { aspect-ratio: 5/4; border-radius: 10px; overflow: hidden; margin-bottom: .8rem; background: #e7ebf2; }
.badge { display: inline-block; font-size: .75rem; padding: .15rem .5rem; border-radius: 999px; background: #eef2f7; color: #34435c; }
.alert { border-left: 4px solid var(--gold); }

.profile-card img { width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: 10px; margin-bottom: .75rem; }
.profile-card .name-en { font-size: .86rem; color: var(--muted); }
.profile-card .role-text { color: #253553; font-weight: 600; margin-top: .3rem; }

.page-hero {
  padding: 3.2rem 0 2.2rem;
  background: linear-gradient(180deg, #eff3f9, #f7f9fc);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { margin: 0 0 .45rem; font-size: clamp(1.7rem, 3.2vw, 2.45rem); }
.page-hero .hero-subtitle { max-width: 780px; color: #334562; }
.page-hero.museum-hero {
  color: #fff;
  background:
    linear-gradient(rgba(10, 21, 39, 0.42), rgba(10, 21, 39, 0.52)),
    url('../assets/images/責任博物館16：9.png') center/cover no-repeat;
}
.page-hero.museum-hero .hero-subtitle { color: #e6edf9; }
.hero-note {
  margin-top: .9rem;
  padding-top: .8rem;
  border-top: 1px solid var(--line-strong);
  font-size: .95rem;
  color: #3d4f6b;
}

.bilingual-line { margin-bottom: .38rem; }
.bilingual-line .zh { color: #1e2c45; font-weight: 600; display: block; }
.bilingual-line .en { color: #5d6b84; display: block; font-size: .94rem; }

.info-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .62rem; }
.info-list li { padding: .55rem .65rem; background: #f8fafc; border: 1px solid #e3e9f2; border-radius: 8px; color: #253553; }

.section-divider {
  border-top: 1px solid var(--line-strong);
  margin: 1rem 0 1.1rem;
  padding-top: .95rem;
}

.placeholder-video {
  border: 1px dashed #b6bfcd;
  border-radius: 10px;
  min-height: 180px;
  display: grid;
  place-items: center;
  color: #6b7890;
  background: #f9fbff;
}


.article-detail h2 { margin-top: .2rem; }
.article-body { color: #243552; line-height: 1.72; }
.article-body-en { color: #55637d; }

.video-portrait {
  width: min(100%, 420px);
  margin: 0 auto;
  aspect-ratio: 9 / 16;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #000;
}
.video-portrait iframe {
  width: 100%;
  height: 100%;
  display: block;
}


.activity-photo {
  width: 100%;
  max-width: 420px;
  margin: 0 auto .75rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  object-fit: cover;
}

.inline-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .7rem; }
.inline-list li { color: #2a3a54; }

.site-footer { margin-top: 3rem; background: #0f1a2a; color: #d8e0ed; padding-top: 2.5rem; }
.footer-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; }
.footer-grid h3 { margin-top: 0; color: #fff; }
.footer-grid p { margin: .32rem 0; }
.footer-base { border-top: 1px solid #263651; padding: 1rem 0 1.4rem; margin-top: 1.2rem; text-align: center; }

.fade-in { opacity: 0; transform: translateY(14px); transition: opacity .6s, transform .6s; }
.fade-in.visible { opacity: 1; transform: translateY(0); }