:root {
  --ink: #34261f;
  --muted: #78685f;
  --coffee: #4a3026;
  --coffee-2: #6b4939;
  --clay: #b86f4d;
  --paper: #f6f0e8;
  --ivory: #fffaf4;
  --gray: #8b817a;
  --line: rgba(83, 53, 40, .15);
  --shadow: 0 24px 70px rgba(72, 45, 34, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Microsoft JhengHei", "PingFang TC", sans-serif; line-height: 1.78; }
img { display: block; max-width: 100%; }
a { color: inherit; }
.page-shell { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(246, 240, 232, .94); backdrop-filter: blur(15px); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { width: clamp(190px, 21vw, 248px); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.header-link { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 17px; border: 1px solid var(--line); border-radius: 999px; color: var(--coffee); font-size: 13px; font-weight: 800; text-decoration: none; }
.header-link.primary { color: #fff; border-color: var(--coffee); background: var(--coffee); }
.hero { position: relative; padding: 92px 0 82px; overflow: hidden; }
.hero::after { content: ""; position: absolute; z-index: -1; width: 430px; height: 430px; top: -225px; right: -130px; border: 1px solid rgba(83,53,40,.12); border-radius: 50%; box-shadow: 0 0 0 56px rgba(184,111,77,.04), 0 0 0 112px rgba(83,53,40,.025); }
.eyebrow { margin: 0 0 15px; color: var(--clay); font: 700 12px/1.4 Georgia, serif; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { font-family: "Noto Serif TC", "Songti TC", "PMingLiU", serif; }
h1 { max-width: 820px; margin: 0; font-size: clamp(43px, 7vw, 72px); font-weight: 600; line-height: 1.12; letter-spacing: -.04em; }
.hero-copy { max-width: 760px; margin: 23px 0 0; color: var(--muted); font-size: 18px; }
.quick-nav { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 30px; }
.quick-nav a { padding: 9px 15px; border: 1px solid var(--line); border-radius: 999px; color: var(--coffee); background: rgba(255,255,255,.38); font-size: 13px; font-weight: 800; text-decoration: none; }
.content-section { padding: 78px 0; border-top: 1px solid var(--line); scroll-margin-top: 92px; }
.content-section.alt { background: rgba(255,255,255,.32); }
.section-grid { display: grid; grid-template-columns: minmax(235px, .72fr) minmax(0, 1.28fr); gap: 64px; align-items: start; }
.section-number { color: var(--clay); font: 700 12px/1.4 Georgia, serif; letter-spacing: .14em; }
.section-grid h2 { margin: 12px 0 0; font-size: clamp(31px, 4.5vw, 49px); font-weight: 600; line-height: 1.22; letter-spacing: -.025em; }
.lead { margin: 0; color: var(--coffee); font-size: 20px; line-height: 1.75; }
.content-copy p { margin: 16px 0 0; color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; margin-top: 28px; }
.feature-card { padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: var(--ivory); }
.feature-card strong { display: block; color: var(--coffee); font-size: 14px; }
.feature-card span { display: block; margin-top: 7px; color: var(--muted); font-size: 12px; line-height: 1.65; }
.notice { margin-top: 28px; padding: 18px 20px; border-left: 3px solid var(--clay); border-radius: 0 12px 12px 0; color: #6e5b50; background: #eee4da; font-size: 13px; }
.source-list { margin: 24px 0 0; padding: 0; list-style: none; }
.source-list li { padding: 8px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.source-list a { color: var(--coffee-2); font-weight: 800; text-decoration: none; }
.policy-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 50px; padding-bottom: 95px; }
.policy-nav { position: sticky; top: 105px; align-self: start; display: grid; padding: 13px; border: 1px solid var(--line); border-radius: 16px; background: var(--ivory); }
.policy-nav a { padding: 9px 11px; border-radius: 9px; color: var(--muted); font-size: 13px; font-weight: 700; text-decoration: none; }
.policy-nav a:hover { color: var(--coffee); background: #eee4da; }
.policy-section { padding: 29px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 95px; }
.policy-section:first-child { padding-top: 0; }
.policy-section h2 { margin: 0; font-size: clamp(24px, 3.5vw, 34px); font-weight: 600; }
.policy-section h3 { margin: 22px 0 0; font-size: 18px; }
.policy-section p, .policy-section li { color: var(--muted); }
.policy-section ul, .policy-section ol { padding-left: 1.45em; }
.policy-contact { padding: 22px; border-radius: 15px; color: #fff; background: var(--coffee); }
.policy-contact a { color: #fff; font-weight: 800; }
.site-footer { padding: 36px 0; color: rgba(255,255,255,.68); background: #2f211b; font-size: 12px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-inner strong { display: block; color: #fff; font-size: 15px; }
.footer-inner a { text-decoration: none; }
.page-scroll-top { position: fixed; right: calc(18px + env(safe-area-inset-right)); bottom: calc(18px + env(safe-area-inset-bottom)); z-index: 50; width: 52px; height: 52px; border: 0; border-radius: 50%; color: #fff; background: var(--coffee); box-shadow: 0 14px 30px rgba(72,45,34,.27); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(8px); transition: opacity .2s ease, visibility .2s ease, transform .2s ease; cursor: pointer; }
.page-scroll-top.is-visible { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }

@media (max-width: 760px) {
  .page-shell { width: min(100% - 28px, 1080px); }
  .header-inner { min-height: 70px; }
  .brand img { width: 172px; }
  .header-link:not(.primary) { display: none; }
  .header-link { min-height: 39px; padding: 0 13px; }
  .hero { padding: 60px 0 56px; }
  .hero-copy { font-size: 16px; }
  .content-section { padding: 58px 0; }
  .section-grid { grid-template-columns: 1fr; gap: 25px; }
  .feature-grid { grid-template-columns: 1fr; }
  .policy-layout { grid-template-columns: 1fr; gap: 30px; padding-bottom: 70px; }
  .policy-nav { position: static; grid-template-columns: 1fr 1fr; }
  .footer-inner { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}