/* Shared styles for v-ss.me text pages (about, contact, privacy, terms). Tokens match the home page. */
:root {
  --bg: #000000;
  --card-bg: #161618;
  --card-border: rgba(255, 255, 255, 0.08);
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-muted: #6e6e73;
  --accent: #0a84ff;
  --accent-soft: rgba(10, 132, 255, 0.12);
  --badge-bg: rgba(255, 255, 255, 0.06);
  --badge-border: rgba(255, 255, 255, 0.1);
  --nav-bg: rgba(0, 0, 0, 0.75);
  --nav-border: rgba(255, 255, 255, 0.08);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", sans-serif;
}
[data-theme="light"] {
  --bg: #f5f5f7;
  --card-bg: #ffffff;
  --card-border: rgba(0, 0, 0, 0.08);
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-muted: #86868b;
  --accent: #0071e3;
  --accent-soft: rgba(0, 113, 227, 0.08);
  --badge-bg: rgba(0, 0, 0, 0.04);
  --badge-border: rgba(0, 0, 0, 0.08);
  --nav-bg: rgba(245, 245, 247, 0.82);
  --nav-border: rgba(0, 0, 0, 0.06);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* Navigation (same as the home page) */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
}
.nav-container {
  max-width: 1140px; margin: 0 auto; height: 56px; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text-primary); font-weight: 700; font-size: 19px; letter-spacing: -0.02em; }
.brand-badge { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 22px; list-style: none; }
.nav-link { color: var(--text-secondary); text-decoration: none; font-size: 13.5px; font-weight: 500; white-space: nowrap; }
.nav-link:hover { color: var(--text-primary); }
.theme-toggle {
  background: var(--badge-bg); border: 1px solid var(--badge-border); color: var(--text-secondary);
  width: 34px; height: 34px; border-radius: 50%; cursor: pointer; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
}

/* Article body */
.page { flex: 1; width: 100%; max-width: 760px; margin: 0 auto; padding: 48px 24px 24px; }
.page h1 { font-size: 32px; line-height: 1.25; letter-spacing: -0.02em; margin-bottom: 12px; }
.page .lede { color: var(--text-secondary); font-size: 16px; margin-bottom: 32px; }
.page .updated { color: var(--text-muted); font-size: 13px; margin-bottom: 32px; }
.page h2 { font-size: 20px; margin: 36px 0 12px; letter-spacing: -0.01em; }
.page h3 { font-size: 16px; margin: 20px 0 8px; }
.page p, .page li { color: var(--text-secondary); font-size: 15px; }
.page p + p { margin-top: 10px; }
.page ul { margin: 8px 0 8px 1.2em; }
.page li + li { margin-top: 6px; }
.page strong { color: var(--text-primary); font-weight: 600; }
.page a { color: var(--accent); text-decoration: none; }
.page a:hover { text-decoration: underline; }
.page code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 13px; background: var(--badge-bg); border: 1px solid var(--badge-border); border-radius: 6px; padding: 1px 6px; color: var(--text-primary); }
.card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px; padding: 20px 22px; margin: 16px 0; }
.card p { margin: 0; }
.page .section-list { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 10px; }
.page .section-list li { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 14px; padding: 14px 18px; margin: 0; }
.section-list a { font-weight: 600; }
.en { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--card-border); }

/* Footer (same as the home page) */
.site-footer { border-top: 1px solid var(--nav-border); padding: 40px 24px 32px; margin-top: 48px; }
.footer-container { max-width: 1140px; margin: 0 auto; }
.footer-nav { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding-bottom: 20px; margin-bottom: 20px; border-bottom: 1px solid var(--card-border); }
.footer-brand { font-size: 15px; font-weight: 700; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-link { font-size: 13px; color: var(--text-secondary); text-decoration: none; }
.footer-link:hover { color: var(--text-primary); }
.footer-bottom { font-size: 12.5px; color: var(--text-muted); }

@media (max-width: 720px) {
  .nav-links { display: none; }
  .page { padding: 32px 16px 16px; }
  .page h1 { font-size: 26px; }
  .site-footer { padding: 32px 16px 24px; }
}