:root {
  --bg: #fbf8f4;
  --surface: #ffffff;
  --ink: #2e2a33;
  --muted: #6f6878;
  --line: #ebe4dc;
  --accent: #9b6b9e;
  --accent-soft: #f3e9f3;
  --gold: #b8924a;
  --radius: 16px;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif; line-height: 1.75; }
h1, h2, h3, .brand { font-family: "Noto Serif TC", "Songti TC", "PMingLiU", serif; line-height: 1.35; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.container { width: min(1120px, 100% - 32px); margin-inline: auto; }

.site-header { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: 1.3rem; font-weight: 700; }
.brand small { display: block; font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif; font-size: .62rem; letter-spacing: .25em; color: var(--gold); font-weight: 500; }
.brand-mark { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg, var(--gold), #e3c88d); color: #fff; }
.brand-logo { height: 48px; width: auto; max-width: 220px; object-fit: contain; }
@media (max-width: 480px) { .brand-logo { height: 40px; max-width: 140px; } }
.site-header nav a { text-decoration: none; color: var(--muted); }
.site-header nav a:hover { color: var(--accent); }

.hero { background: linear-gradient(135deg, #f6eaf3 0%, #fbf3e6 100%); padding: 72px 0 64px; text-align: center; }
.eyebrow { letter-spacing: .3em; font-size: .78rem; color: var(--gold); margin: 0 0 8px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); margin: 0 0 16px; }
.lead { color: var(--muted); font-size: 1.05rem; max-width: 640px; margin: 0 auto; }
.search { display: flex; gap: 8px; max-width: 520px; margin: 28px auto 0; }
.search input { flex: 1; min-width: 0; padding: 12px 16px; border: 1px solid var(--line); border-radius: 999px; font: inherit; background: #fff; }
.search button { padding: 12px 22px; border: 0; border-radius: 999px; background: var(--accent); color: #fff; font: inherit; cursor: pointer; }
.search button:hover { filter: brightness(1.08); }

.intro { padding: 56px 0 24px; }
.intro h2, .section-head h2 { font-size: 1.6rem; margin: 0 0 24px; }
.intro-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.intro-grid > div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.intro-grid h3 { margin: 4px 0 8px; font-size: 1.15rem; }
.intro-grid p { margin: 0; color: var(--muted); }
.num { color: var(--gold); font-family: "Noto Serif TC", "Songti TC", "PMingLiU", serif; font-weight: 700; }

#crystals { padding: 32px 0 72px; scroll-margin-top: 80px; }
.section-head { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.clear { color: var(--accent); font-size: .9rem; }
.toc { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.toc a { text-decoration: none; padding: 6px 14px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: .92rem; }
.toc a:hover { background: var(--accent); color: #fff; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; scroll-margin-top: 90px; transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(80, 50, 90, .1); }
.card-img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.card h3 { margin: 0; font-size: 1.3rem; }
.card h3 a { text-decoration: none; }
.card h3 span { display: block; font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif; font-size: .8rem; color: var(--muted); font-weight: 400; letter-spacing: .05em; }
.tagline { color: var(--accent); margin: 8px 0 4px; font-size: .95rem; }
.benefits { padding: 0; margin: 8px 0 16px; list-style: none; }
.benefits li { position: relative; padding-left: 20px; margin: 4px 0; }
.benefits li::before { content: "✦"; position: absolute; left: 0; color: var(--gold); font-size: .8em; top: .2em; }
.more { margin-top: auto; color: var(--accent); text-decoration: none; font-weight: 500; }
.empty { color: var(--muted); padding: 40px 0; text-align: center; }

.detail { padding: 32px 0 72px; }
.back { color: var(--muted); text-decoration: none; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 24px; align-items: start; }
.detail-img img { width: 100%; border-radius: var(--radius); aspect-ratio: 1; object-fit: cover; }
.detail h1 { font-size: clamp(2rem, 4vw, 2.6rem); margin: 0 0 8px; }
.detail .lead { margin: 0 0 24px; }
.detail h2 { font-size: 1.3rem; margin: 24px 0 8px; }
.benefits.large li { font-size: 1.05rem; margin: 8px 0; }
.suitable { background: var(--accent-soft); border-radius: 12px; padding: 16px 20px; margin-top: 24px; }
.suitable p { margin: 4px 0 0; }
.prose { max-width: 760px; margin-top: 48px; }
.others { margin-top: 56px; }
.grid.small { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; }
.mini { text-decoration: none; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.mini img { aspect-ratio: 1; object-fit: cover; width: 100%; }
.mini span { display: block; padding: 10px 12px; font-weight: 500; }

.site-footer { background: #2e2a33; color: #cfc8d6; padding: 40px 0; font-size: .9rem; text-align: center; }
.site-footer p { margin: 4px 0; }
.brand-foot { font-family: "Noto Serif TC", "Songti TC", "PMingLiU", serif; font-size: 1.2rem; color: #fff; }

@media (max-width: 720px) {
  .detail-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero { padding: 48px 0 40px; }
}

.color-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.color-filter a { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); font-size: .95rem; }
.color-filter a:hover { border-color: var(--accent); }
.color-filter a.active { background: var(--ink); border-color: var(--ink); color: #fff; }
.color-filter i { width: 14px; height: 14px; border-radius: 50%; border: 1px solid rgba(0, 0, 0, .12); }
.color-filter span { font-size: .78rem; color: var(--muted); }
.color-filter a.active span { color: #cfc8d6; }
.color-tag { display: inline-block; margin-bottom: 8px; padding: 2px 12px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); text-decoration: none; font-size: .85rem; }

.detail-img { margin: 0; }
.detail-img figcaption, .credit-list figcaption { font-size: .8rem; color: var(--muted); margin-top: 8px; overflow-wrap: anywhere; }
.detail-img figcaption a, .credit-list a { color: inherit; }
.detail-img .reference-note { color: var(--accent); }
.credit-list { list-style: none; padding: 0; margin: 24px 0 0; }
.credit-list li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.credit-list .credit-name { font-weight: 500; color: var(--ink); }
.credit-list figcaption { margin-top: 2px; }
.site-footer a { color: inherit; }