* { box-sizing: border-box; }

    body {
      font-family: Arial, sans-serif;
      background: #f4f6f8;
      margin: 0;
      padding: 30px;
      color: #222;
    }

    .container {
      max-width: 1050px;
      margin: auto;
      background: white;
      padding: 28px;
      border-radius: 14px;
      box-shadow: 0 4px 18px rgba(0,0,0,0.08);
    }

    .top-actions {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 18px;
    }

    button {
      padding: 10px 16px;
      border: none;
      border-radius: 8px;
      background: #2563eb;
      color: white;
      font-size: 14px;
      cursor: pointer;
    }

    button:hover { opacity: 0.9; }
    .secondary-btn { background: #475569; }
    .top-actions .faq-nav-btn { margin-left: auto; }

    h1 {
      margin-top: 0;
      font-size: 32px;
      line-height: 1.2;
    }

    h2 {
      margin-top: 28px;
      font-size: 22px;
    }

    p, li, dd {
      font-size: 16px;
      line-height: 1.55;
    }

    ul, ol { padding-left: 24px; }

    .intro {
      max-width: 820px;
      color: #374151;
    }

    .help-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
      margin-top: 18px;
    }

    .panel {
      border: 1px solid #dbeafe;
      border-radius: 10px;
      background: #f8fafc;
      padding: 18px;
    }

    .panel h2 { margin-top: 0; }

    .settings-list { margin: 0; }
    .settings-list dt {
      font-weight: 700;
      margin-top: 12px;
    }
    .settings-list dd {
      margin: 4px 0 0 0;
      color: #374151;
    }

    .example-box {
      background: #eef4ff;
      border: 1px solid #c7d8ff;
      border-radius: 10px;
      padding: 16px;
      margin-top: 10px;
      line-height: 1.55;
    }

    .note-box {
      background: #fff7ed;
      border: 1px solid #fed7aa;
      border-radius: 10px;
      padding: 16px;
      margin-top: 16px;
      line-height: 1.55;
    }

    footer {
      text-align: center;
      padding: 30px;
      color: #6b7280;
      border-top: 1px solid #e5e7eb;
      background: white;
      margin-top: 40px;
    }

    footer a {
      color: #2563eb;
      text-decoration: none;
      margin: 0 8px;
    }

    footer a:hover { text-decoration: underline; }

    @media (max-width: 800px) {
      .top-actions .faq-nav-btn { margin-left: 0; }
      body { padding: 12px; }
      .container { padding: 20px; }
      .help-grid { grid-template-columns: 1fr; }
      h1 { font-size: 28px; }
    }