* { margin: 0; padding: 0; box-sizing: border-box; }
    :root {
      --bg: #0a0a1a;
      --surface: rgba(255, 255, 255, 0.04);
      --border: rgba(255, 255, 255, 0.08);
      --text: #ffffff;
      --muted: rgba(255, 255, 255, 0.6);
      --gradient: linear-gradient(135deg, #9C27B0 0%, #E91E63 100%);
      --gradient-soft: linear-gradient(135deg, rgba(156, 39, 176, 0.15) 0%, rgba(233, 30, 99, 0.12) 100%);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      min-height: 100vh;
    }
    body::before {
      content: '';
      position: fixed;
      top: 0; left: 0; right: 0; bottom: 0;
      background:
        radial-gradient(ellipse 60% 40% at 20% 0%, rgba(156, 39, 176, 0.12), transparent 60%),
        radial-gradient(ellipse 50% 35% at 80% 100%, rgba(233, 30, 99, 0.1), transparent 60%);
      pointer-events: none;
      z-index: 0;
    }
    .navbar {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(10, 10, 26, 0.9);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
    }
    .nav-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 16px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      background: var(--gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      text-decoration: none;
    }
    .logo-icon {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      overflow: hidden;
    }
    .logo-icon img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .nav-back {
      color: var(--muted);
      text-decoration: none;
      font-size: 14px;
      transition: color 0.2s;
    }
    .nav-back:hover { color: var(--text); }
    .container {
      max-width: 800px;
      margin: 0 auto;
      padding: 60px 24px 80px;
      position: relative;
      z-index: 1;
    }
    .page-header {
      text-align: center;
      margin-bottom: 50px;
    }
    .page-label {
      display: inline-block;
      padding: 6px 16px;
      background: var(--gradient-soft);
      border: 1px solid rgba(156, 39, 176, 0.3);
      border-radius: 999px;
      font-size: 13px;
      color: #c084fc;
      margin-bottom: 16px;
      letter-spacing: 0.05em;
    }
    .page-title {
      font-size: clamp(28px, 5vw, 42px);
      font-weight: 700;
      margin-bottom: 12px;
    }
    .page-meta {
      color: var(--muted);
      font-size: 14px;
    }
    .content-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 40px;
    }
    .content-card h2 {
      font-size: 20px;
      font-weight: 700;
      margin: 32px 0 16px;
      color: var(--text);
    }
    .content-card h2:first-child { margin-top: 0; }
    .content-card h3 {
      font-size: 16px;
      font-weight: 600;
      margin: 24px 0 12px;
      color: var(--text);
    }
    .content-card p {
      color: var(--muted);
      margin-bottom: 16px;
      font-size: 15px;
    }
    .content-card blockquote {
      margin: 16px 0;
      padding: 14px 18px;
      background: var(--gradient-soft);
      border-left: 3px solid #9C27B0;
      border-radius: 8px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }
    .content-card blockquote p:last-child {
      margin-bottom: 0;
    }
    .content-card ul, .content-card ol {
      color: var(--muted);
      margin-bottom: 16px;
      padding-left: 24px;
      font-size: 15px;
    }
    .content-card li {
      margin-bottom: 8px;
    }
    .content-card strong {
      color: var(--text);
      font-weight: 600;
    }
    .content-card a {
      color: #c084fc;
      text-decoration: none;
    }
    .content-card a:hover {
      text-decoration: underline;
    }
    footer {
      border-top: 1px solid var(--border);
      padding: 30px 24px;
      text-align: center;
      color: var(--muted);
      font-size: 13px;
      position: relative;
      z-index: 1;
    }
    footer a {
      color: var(--muted);
      text-decoration: none;
      margin: 0 12px;
    }
    footer a:hover { color: var(--text); }
    @media (max-width: 600px) {
      .content-card { padding: 24px; }
      .container { padding: 40px 16px 60px; }
    }