:root {
  color-scheme: light;
  --brand: #1769ff;
  --ink: #172033;
  --muted: #667085;
  --line: #e4e7ec;
  --surface: #f8fafc;
  --danger-bg: #fff4ed;
  --danger: #b42318;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

a { color: var(--brand); }

.page {
  width: min(880px, calc(100% - 32px));
  margin: 32px auto;
  padding: clamp(24px, 5vw, 56px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 14px 40px rgba(16, 24, 40, 0.06);
}

.language-page {
  display: flex;
  flex-direction: column;
}

.language-page #en {
  order: 1;
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}
.language-page #zh {
  order: 2;
  margin-top: 64px;
  padding-top: 56px;
  border-top: 2px solid var(--line);
}
.language-page .footer { order: 3; }

.brand {
  margin: 0 0 4px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

h1 { margin: 0; font-size: clamp(30px, 6vw, 46px); line-height: 1.2; }
h2 { margin-top: 36px; font-size: 23px; line-height: 1.35; }
h3 { margin-top: 24px; font-size: 18px; }

.meta, .muted { color: var(--muted); }

.language-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 30px;
}

.language-nav a {
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
}

.language-nav a:hover,
.language-nav a:focus-visible { border-color: var(--brand); }

.language-section + .language-section {
  margin-top: 64px;
  padding-top: 56px;
  border-top: 2px solid var(--line);
}

ul { padding-left: 1.3em; }
li + li { margin-top: 8px; }

.notice {
  padding: 16px 18px;
  border-left: 4px solid var(--brand);
  border-radius: 10px;
  background: #f5f8ff;
}

.pending {
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--danger-bg);
  color: var(--danger);
  font-weight: 700;
}

.contact-card {
  display: grid;
  gap: 8px;
  margin: 20px 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.footer {
  margin-top: 50px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 560px) {
  .page {
    width: 100%;
    margin: 0;
    border: 0;
    border-radius: 0;
  }
}

@media print {
  body { background: #fff; }
  .page { width: 100%; margin: 0; border: 0; box-shadow: none; }
  .language-nav { display: none; }
}