.page-container {
      width: 100%; max-width: 860px; padding: 32px 20px;
      position: relative; z-index: 1;
    }
    .page-hero { text-align: center; margin: 40px 0 32px; }
    .page-hero h1 {
      font-family: var(--font-display); font-size: 36px; font-weight: 700;
      color: var(--ink); letter-spacing: -1.5px; line-height: 1.1; margin-bottom: 8px;
    }
    .page-hero h1 em { font-style: normal; color: var(--red); }
    .page-hero p {
      font-family: var(--font-mono); font-size: 13px; color: var(--text-muted);
    }
    .content-card {
      background: var(--surface); border: var(--border-w) solid var(--border-strong);
      border-radius: var(--radius); padding: 32px; margin-bottom: 20px;
      box-shadow: var(--shadow-hard); position: relative;
    }
    .content-card::after {
      content: ''; position: absolute; top: -1px; left: 24px; right: 24px;
      height: 3px; background: var(--red); border-radius: 0 0 2px 2px;
    }
    .section-label {
      font-family: var(--font-mono); font-size: 11px; font-weight: 700;
      color: var(--red); text-transform: uppercase; letter-spacing: 1px;
      margin-bottom: 16px; display: flex; align-items: center; gap: 8px;
    }
    .section-label::before {
      content: '//'; color: var(--text-dim);
    }
    .content-card h2 {
      font-family: var(--font-display); font-size: 20px; font-weight: 700;
      color: var(--ink); margin: 24px 0 12px;
    }
    .content-card h2:first-of-type { margin-top: 0; }
    .content-card p, .content-card li {
      font-size: 14px; color: var(--text-muted); line-height: 1.8; margin-bottom: 12px;
    }
    .content-card ul, .content-card ol {
      list-style: none; padding: 0; margin-bottom: 16px;
    }
    .content-card ul li, .content-card ol li {
      padding-left: 20px; position: relative; margin-bottom: 8px;
    }
    .content-card ul li::before {
      content: '■'; position: absolute; left: 0; color: var(--red); font-size: 8px; top: 5px;
    }
    .content-card ol { counter-reset: item; }
    .content-card ol li { counter-increment: item; }
    .content-card ol li::before {
      content: counter(item, lower-alpha) '.';
      position: absolute; left: 0; color: var(--red);
      font-family: var(--font-mono); font-size: 12px; font-weight: 700;
    }
    .content-card strong { color: var(--ink); }
    .content-card a { color: var(--red-hover); text-decoration: underline; }
    .highlight-box {
      background: rgba(255, 45, 45, 0.06); border: 1px solid rgba(255, 45, 45, 0.2);
      border-radius: var(--radius); padding: 16px; margin: 16px 0;
      font-family: var(--font-mono); font-size: 12px; color: var(--text-muted);
    }
    .highlight-box strong { color: var(--red); }
    .warn-box {
      background: rgba(250, 204, 21, 0.06); border: 1px solid rgba(250, 204, 21, 0.25);
      border-radius: var(--radius); padding: 16px; margin: 16px 0;
      font-family: var(--font-mono); font-size: 12px; color: var(--text-muted);
    }
    .warn-box strong { color: var(--yellow); }
    .updated-date {
      font-family: var(--font-mono); font-size: 11px; color: var(--text-dim);
      text-align: center; margin-top: 16px;
    }
    .back-btn {
      display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px;
      background: var(--surface); border: var(--border-w) solid var(--border-strong);
      border-radius: var(--radius); font-family: var(--font-mono); font-size: 12px;
      font-weight: 700; color: var(--text); text-decoration: none;
      text-transform: uppercase; letter-spacing: 0.5px;
      box-shadow: var(--shadow-hard-sm); transition: var(--transition);
    }
    .back-btn:hover {
      transform: translate(-2px, -2px); box-shadow: var(--shadow-hard);
      border-color: var(--red); color: var(--ink);
    }
    .back-btn:active { transform: translate(2px, 2px); box-shadow: none; }

/* ── Unified Site Footer ── */
.site-footer {
  margin-top: 48px;
  text-align: center;
  padding: 28px 16px 36px;
  border-top: var(--border-w, 2px) solid var(--border);
  width: 100%;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--red);
  transform: translateY(-1px);
}

.footer-links .dot {
  color: var(--text-dim);
  font-size: 8px;
  user-select: none;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  margin: 0;
  letter-spacing: 0.3px;
}

@media (max-width: 640px) {
  .site-footer {
    padding: 24px 12px 30px;
    margin-top: 36px;
  }
  .footer-links {
    gap: 6px 8px;
    margin-bottom: 10px;
  }
  .footer-links a {
    font-size: 10.5px;
  }
  .footer-copy {
    font-size: 10.5px;
  }
}