:root {
  color-scheme: light;
  --ink: #1b3b48;
  --muted: #657a82;
  --teal: #55baad;
  --teal-dark: #287f78;
  --line: #e5ecea;
  --soft: #f6faf8;
  --page-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif;
  line-height: 1.75;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--teal-dark);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.site-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: min(var(--page-width), calc(100% - 3rem));
  min-height: 84px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  color: var(--ink);
  line-height: 1.2;
  text-decoration: none;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-subtitle {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.77rem;
  letter-spacing: 0.14em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.88rem;
}

.site-nav a,
.site-nav span {
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.site-nav .donation-link {
  color: var(--teal-dark);
  font-weight: 700;
}

.page-shell {
  width: min(100% - 3rem, var(--page-width));
  margin: 0 auto;
}

.home-page {
  min-height: calc(100vh - 160px);
}

.legal-heading {
  padding: 5rem 0 3rem;
  border-bottom: 1px solid var(--line);
}

.legal-heading h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.12;
}

.legal-heading p {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.legal-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  align-items: start;
  gap: 4rem;
  padding: 3.5rem 0 6rem;
}

.toc {
  position: sticky;
  top: 2rem;
  border-left: 2px solid var(--teal);
  padding-left: 1.1rem;
}

.toc-title {
  margin: 0 0 0.8rem;
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.toc a {
  display: block;
  padding: 0.2rem 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
  text-decoration: none;
}

.toc a:hover {
  color: var(--teal-dark);
}

.document {
  min-width: 0;
  max-width: 840px;
}

.document-meta {
  margin: 0 0 2.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.document-meta span + span::before {
  margin: 0 0.65rem;
  color: #b9c7c4;
  content: "·";
}

.document section {
  scroll-margin-top: 2rem;
}

.document section + section {
  margin-top: 3.5rem;
}

.document h2 {
  margin: 0 0 1rem;
  color: var(--ink);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.35;
}

.document h3 {
  margin: 2rem 0 0.7rem;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.4;
}

.document p,
.document li {
  color: #435c64;
  font-size: 0.95rem;
}

.document p {
  margin: 0 0 1rem;
}

.document ul,
.document ol {
  margin: 0 0 1rem;
  padding-left: 1.4rem;
}

.document li + li {
  margin-top: 0.55rem;
}

.document strong {
  color: var(--ink);
}

.document a {
  color: var(--teal-dark);
}

.document a:hover {
  color: var(--ink);
}

.toc-list {
  margin: 0;
  padding-left: 1.4rem;
}

.toc-list li {
  margin: 0.35rem 0;
  color: #435c64;
  font-size: 0.94rem;
}

.legal-table {
  width: 100%;
  margin: 1.25rem 0;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.legal-table th,
.legal-table td {
  padding: 0.7rem 0.65rem;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.legal-table th {
  background: var(--soft);
  color: var(--ink);
  font-weight: 700;
}

.legal-table td {
  color: #435c64;
}

.contact-block {
  margin-top: 1.5rem;
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--line);
  background: var(--soft);
}

.contact-block p {
  margin: 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 2rem;
  padding: 3rem 0;
}

.footer-inner p,
.footer-inner address {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  font-style: normal;
}

.footer-title {
  margin-bottom: 0.45rem !important;
  color: var(--ink) !important;
  font-weight: 700;
}

.copyright {
  padding: 1rem 0 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.76rem;
  text-align: center;
}

@media (max-width: 800px) {
  .legal-layout {
    display: block;
  }

  .toc {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 0 1rem;
    margin-bottom: 2.5rem;
    padding: 0 0 0.75rem;
    border: 0;
    border-bottom: 2px solid var(--teal);
  }

  .toc-title {
    width: 100%;
  }

  .toc a {
    max-width: 15rem;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 580px) {
  .site-inner,
  .page-shell {
    width: min(100% - 2rem, var(--page-width));
  }

  .site-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.8rem;
    padding: 1rem 0;
  }

  .site-nav {
    width: 100%;
    flex-wrap: wrap;
    gap: 0.35rem 0.9rem;
  }

  .legal-heading {
    padding: 3.5rem 0 2.5rem;
  }

  .legal-layout {
    padding-top: 2.5rem;
  }

  .document h2 {
    font-size: 1.08rem;
  }

  .document p,
  .document li {
    font-size: 0.92rem;
  }

  .legal-table {
    display: block;
    overflow-x: auto;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}