:root {
  --paper: #F7F3EC;
  --paper-2: #EFE9DD;
  --ink: #1A1612;
  --ink-2: #3B322A;
  --mute: #6B5F52;
  --line: #D9CFC0;
  --vermilion: #8B2E2E;
  --serif-en: "EB Garamond", "Iowan Old Style", Georgia, serif;
  --serif-zh: "Noto Serif SC", "Songti SC", "Source Han Serif SC", serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif-en), var(--serif-zh);
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
:lang(zh), .zh { font-family: var(--serif-zh); }

header.site { border-bottom: 1px solid var(--line); }
header.site nav {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.2rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  text-decoration: none;
}
.brand .seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--vermilion);
  color: var(--paper);
  font-family: var(--serif-zh);
  font-weight: 600;
  font-size: 1.1rem;
}
.brand .title {
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.01em;
}
.brand .title .zh {
  margin-left: 0.35rem;
  color: var(--ink-2);
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 1.2rem;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.95rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.nav-links a:hover { color: var(--vermilion); border-color: var(--vermilion); }

main.prose {
  max-width: 680px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 4rem;
}
.prose h1 {
  font-weight: 500;
  font-size: 2.1rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 0.4rem;
  color: var(--ink);
}
.prose .effective {
  color: var(--mute);
  font-style: italic;
  margin: 0 0 2.4rem;
  font-size: 0.95rem;
}
.prose .lede {
  font-size: 1.1rem;
  color: var(--ink-2);
  margin: 0 0 2.4rem;
  font-style: italic;
  line-height: 1.55;
}
.prose h2 {
  font-weight: 500;
  font-size: 1.35rem;
  letter-spacing: -0.005em;
  margin: 2.6rem 0 0.6rem;
  color: var(--ink);
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}
.prose h2:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }
.prose p, .prose li { color: var(--ink-2); }
.prose p { margin: 0 0 1rem; }
.prose ul { padding-left: 1.3rem; margin: 0.2rem 0 1.2rem; }
.prose li { margin-bottom: 0.35rem; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose a {
  color: var(--vermilion);
  text-decoration: none;
  border-bottom: 1px solid rgba(139, 46, 46, 0.35);
}
.prose a:hover { border-bottom-color: var(--vermilion); }

.hero {
  max-width: 720px;
  margin: 0 auto;
  padding: 5rem 1.5rem 3rem;
  text-align: center;
}
.hero .seal-lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 82px;
  height: 82px;
  background: var(--vermilion);
  color: var(--paper);
  font-family: var(--serif-zh);
  font-weight: 600;
  font-size: 2.4rem;
  margin-bottom: 1.4rem;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 500;
  margin: 0.4rem 0 0.2rem;
  letter-spacing: -0.02em;
}
.hero .zh-name {
  font-family: var(--serif-zh);
  font-weight: 500;
  font-size: 2rem;
  color: var(--ink-2);
  margin: 0 0 1.3rem;
}
.hero .tagline {
  font-style: italic;
  color: var(--mute);
  font-size: 1.2rem;
  max-width: 32ch;
  margin: 0 auto 2.4rem;
  line-height: 1.4;
}
.hero .coming {
  display: inline-block;
  border: 1px solid var(--line);
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  color: var(--ink-2);
  font-size: 0.95rem;
  background: rgba(0, 0, 0, 0.02);
}
.hero .about {
  max-width: 560px;
  margin: 3.2rem auto 0;
  text-align: left;
  color: var(--ink-2);
  font-size: 1.02rem;
  line-height: 1.65;
}
.hero .about p { margin: 0 0 0.9rem; }

.support-card {
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 1.5rem 1.6rem;
  margin: 1.5rem 0 2rem;
}
.support-card h3 {
  margin: 0 0 0.5rem;
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--ink);
}
.support-card p { margin: 0 0 0.4rem; color: var(--ink-2); }
.support-card a.email {
  display: inline-block;
  margin-top: 0.4rem;
  font-size: 1.2rem;
  color: var(--vermilion);
  border: none;
  letter-spacing: 0.01em;
}

footer { border-top: 1px solid var(--line); color: var(--mute); font-size: 0.88rem; }
footer .inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.8rem 1.5rem 2.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: space-between;
  align-items: center;
}
footer a { color: var(--mute); text-decoration: none; }
footer a:hover { color: var(--vermilion); }

@media (max-width: 560px) {
  header.site nav { flex-direction: column; align-items: flex-start; gap: 0.9rem; }
  .nav-links { gap: 1rem; }
  .hero { padding-top: 3rem; }
  .hero h1 { font-size: 2.3rem; }
  .hero .zh-name { font-size: 1.6rem; }
  .prose h1 { font-size: 1.75rem; }
}