:root {
  color-scheme: dark;
  --bg: #080a0d;
  --panel: #0f1318;
  --panel-2: #141a21;
  --text: #eee8dd;
  --muted: #a49d91;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #c9a46a;
  --serif: "Songti TC", "Noto Serif TC", "Times New Roman", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK", "Noto Sans TC", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans); line-height: 1.75; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
img, svg { max-width: 100%; }
.wrap { width: min(1180px, calc(100% - 44px)); margin: 0 auto; }

.scroll-progress { position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 60; background: transparent; }
.scroll-progress span { display: block; height: 100%; width: 0; background: var(--accent); }

.site-head { position: fixed; inset: 0 0 auto 0; z-index: 50; background: linear-gradient(180deg, rgba(8,10,13,.92), rgba(8,10,13,0)); border-bottom: 1px solid transparent; transition: background .3s, border-color .3s; }
.site-head.is-scrolled { background: rgba(8,10,13,.94); border-bottom-color: var(--line); backdrop-filter: blur(12px); }
.head-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-family: var(--serif); letter-spacing: .04em; font-size: 1rem; }
.brand::before { content: ""; width: 9px; height: 9px; border: 1px solid var(--accent); transform: rotate(45deg); }
.nav { display: flex; gap: 18px; font-size: .78rem; letter-spacing: .08em; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--accent); }
.lang { display: flex; gap: 4px; font-size: .74rem; letter-spacing: .06em; }
.lang a { color: var(--muted); text-decoration: none; padding: 4px 7px; border: 1px solid transparent; }
.lang a[aria-current="page"] { color: var(--text); border-color: var(--line); }
.lang a:hover { color: var(--accent); }

.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-art { position: absolute; inset: 0; z-index: 0; }
.hero-art svg, .hero-photo { width: 100%; height: 100%; object-fit: cover; }
.hero-photo { position: absolute; inset: 0; display: block; }
.hero-shade { position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(8,10,13,.15) 0%, rgba(8,10,13,.42) 55%, rgba(8,10,13,.96) 100%), linear-gradient(90deg, rgba(8,10,13,.72), rgba(8,10,13,.1) 70%); }
.hero-inner { position: relative; z-index: 2; padding: clamp(120px, 18vh, 220px) 0 32px; }
.eyebrow { margin: 0 0 18px; color: var(--accent); font-size: .74rem; letter-spacing: .2em; text-transform: uppercase; }
h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(3rem, 8.5vw, 7.2rem); line-height: .98; letter-spacing: .02em; margin: 0 0 10px; }
.h1-en { color: var(--muted); font-size: clamp(.95rem, 1.7vw, 1.3rem); letter-spacing: .16em; text-transform: uppercase; margin: 0 0 clamp(26px, 4vw, 46px); }
.bluf { max-width: 760px; font-size: clamp(1.08rem, 1.85vw, 1.42rem); line-height: 1.65; margin: 0 0 34px; color: #f5f0e6; }
.hero-meta { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.hero-meta div { padding: 18px 16px 22px 0; }
.hero-meta strong { display: block; font-family: var(--serif); font-size: clamp(1.15rem, 2.2vw, 1.7rem); font-weight: 400; color: var(--accent); line-height: 1.2; }
.hero-meta span { display: block; color: var(--muted); font-size: .72rem; letter-spacing: .1em; margin-top: 5px; }
.hero-credit { position: absolute; left: 0; bottom: 12px; color: var(--muted); font-size: .68rem; letter-spacing: .08em; }
.hero-scroll { position: absolute; right: 24px; bottom: 26px; z-index: 2; color: var(--muted); font-size: .64rem; letter-spacing: .3em; writing-mode: vertical-rl; }

.section { padding: clamp(64px, 9vw, 130px) 0; border-bottom: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 24px; align-items: baseline; margin-bottom: clamp(30px, 4vw, 56px); }
.index { color: var(--accent); font-size: .72rem; letter-spacing: .18em; }
.section h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.55rem, 3.2vw, 2.6rem); line-height: 1.15; margin: 0; letter-spacing: .02em; }
.section h2 em { font-style: normal; color: var(--accent); }
.split { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(30px, 5vw, 76px); align-items: start; }
.prose p { color: #dcd6cb; font-size: clamp(1rem, 1.35vw, 1.12rem); max-width: 66ch; margin: 0 0 18px; }
.pull { border-left: 1px solid var(--accent); padding: 4px 0 4px 24px; font-family: var(--serif); font-size: clamp(1.2rem, 2vw, 1.6rem); line-height: 1.55; color: #f1ebdf; }
.pull cite { display: block; margin-top: 16px; color: var(--muted); font-family: var(--sans); font-size: .74rem; letter-spacing: .1em; font-style: normal; }

.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature { padding: clamp(24px, 3.4vw, 42px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(160deg, rgba(255,255,255,.02), transparent 60%); }
.feature .num { color: var(--accent); font-size: .7rem; letter-spacing: .16em; }
.feature h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.15rem, 1.7vw, 1.45rem); margin: 10px 0 8px; }
.feature p { color: var(--muted); font-size: .93rem; margin: 0; }

.fact-table { border-top: 1px solid var(--line); }
.fact-row { display: grid; grid-template-columns: minmax(120px, .34fr) minmax(0, 1fr); gap: 24px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.fact-row dt { color: var(--muted); font-size: .8rem; letter-spacing: .06em; }
.fact-row dd { margin: 0; color: #e8e1d5; }

.transport { list-style: none; padding: 0; margin: 26px 0 0; border-top: 1px solid var(--line); }
.transport li { display: flex; justify-content: space-between; gap: 20px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: .9rem; }
.transport span:last-child { color: var(--muted); }
.map { border: 1px solid var(--line); background: var(--panel); min-height: 380px; }
.map svg, .map img { display: block; width: 100%; height: auto; }
.map-note { color: var(--muted); font-size: .72rem; padding: 10px 14px; border-top: 1px solid var(--line); margin: 0; }

.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.gallery-grid figure { margin: 0; border: 1px solid var(--line); background: var(--panel); }
.gallery-grid svg, .gallery-grid img { display: block; width: 100%; height: 260px; object-fit: cover; }
.gallery-grid figcaption { padding: 12px 14px; color: var(--muted); font-size: .74rem; letter-spacing: .06em; border-top: 1px solid var(--line); }

.callout { border: 1px solid var(--line); background: linear-gradient(160deg, rgba(255,255,255,.04), transparent); padding: 26px; }
.callout strong { display: block; font-family: var(--serif); font-size: clamp(1.4rem, 2.4vw, 2rem); font-weight: 400; color: var(--accent); }
.callout span { display: block; color: var(--muted); font-size: .78rem; margin-top: 4px; }
.callout p { color: var(--muted); font-size: .9rem; margin: 18px 0 0; }

.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 0; font-family: var(--serif); font-size: clamp(1.02rem, 1.5vw, 1.2rem); display: flex; justify-content: space-between; gap: 20px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-family: var(--sans); }
.faq details[open] summary::after { content: "−"; }
.faq .answer { padding: 0 0 22px; color: var(--muted); max-width: 78ch; }

.sources ul { padding-left: 1.1em; color: var(--muted); }
.sources li { margin-bottom: 8px; }
.meta-note { color: var(--muted); font-size: .8rem; }

.site-foot { padding: 54px 0 80px; color: var(--muted); font-size: .82rem; }
.foot-top { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; border-bottom: 1px solid var(--line); padding-bottom: 26px; margin-bottom: 26px; }
.foot-name { font-family: var(--serif); color: var(--text); font-size: 1.35rem; }
.foot-links { display: flex; flex-wrap: wrap; gap: 16px; }
.foot-links a { color: var(--muted); text-decoration: none; }
.foot-links a:hover { color: var(--accent); }
.disclaimer { max-width: 900px; }
.disclaimer h2 { font-size: .9rem; color: var(--text); margin: 0 0 8px; font-family: var(--sans); font-weight: 600; }
.disclaimer p { margin: 0 0 6px; color: var(--muted); }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

@media (max-width: 900px) {
  .nav { display: none; }
  .hero-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .section-head { grid-template-columns: 46px minmax(0, 1fr); gap: 14px; }
  .hero-credit { position: absolute; left: 0; bottom: 12px; color: var(--muted); font-size: .68rem; letter-spacing: .08em; }
.hero-scroll { display: none; }
  .fact-row { grid-template-columns: 1fr; gap: 4px; }
}
