/* === Hero === */
    .help-hero {
      background: linear-gradient(180deg, #f0fdf4 0%, #f9fafb 100%);
      padding: 48px 0;
      text-align: center;
    }

    .help-hero h1 {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .help-hero p {
      font-size: 15px;
      color: var(--text-muted);
    }

    /* === Search Bar === */
    .help-search {
      max-width: 560px;
      margin: 24px auto 0;
      position: relative;
    }

    .help-search input {
      width: 100%;
      height: 48px;
      padding: 0 120px 0 20px;
      border: 2px solid var(--border);
      border-radius: 24px;
      font-size: 15px;
      outline: none;
      transition: border-color 0.2s;
      font-family: inherit;
    }

    .help-search input:focus {
      border-color: var(--primary);
    }

    .help-search button {
      position: absolute;
      right: 4px;
      top: 4px;
      height: 40px;
      padding: 0 24px;
      border-radius: 20px;
      background: var(--primary);
      color: white;
      border: none;
      font-size: 14px;
      font-weight: 500;
      cursor: pointer;
      transition: background 0.2s;
      font-family: inherit;
    }

    .help-search button:hover {
      background: var(--primary-dark);
    }

    /* === Layout === */
    .help-layout {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 40px 20px 60px;
      display: flex;
      gap: 32px;
    }

    /* === Sidebar === */
    .help-sidebar {
      width: 220px;
      flex-shrink: 0;
    }

    .help-sidebar .sb-title {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
      padding-left: 12px;
    }

    .help-sidebar nav a {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 10px 12px;
      border-radius: 8px;
      font-size: 14px;
      color: var(--text-secondary);
      transition: all 0.2s;
      margin-bottom: 2px;
    }

    .help-sidebar nav a:hover {
      background: var(--bg-gray);
      color: var(--text-primary);
    }

    .help-sidebar nav a.active {
      background: var(--primary-bg);
      color: var(--primary);
      font-weight: 600;
    }

    /* === Content === */
    .help-content {
      flex: 1;
      min-width: 0;
    }

    /* === Category Section === */
    .help-cat-section {
      margin-bottom: 40px;
    }

    .help-cat-header {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }

    .help-cat-icon {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
    }

    .help-cat-header h2 {
      font-size: 20px;
      font-weight: 700;
    }

    .help-cat-header span {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* === Article Grid === */
    .help-articles-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 8px;
    }

    .help-article-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 14px 16px;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      transition: all 0.2s;
      cursor: pointer;
    }

    .help-article-item:hover {
      border-color: var(--primary-light);
      box-shadow: var(--shadow-sm);
    }

    .help-article-item .ai-bullet {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
      flex-shrink: 0;
    }

    .help-article-item .ai-title {
      flex: 1;
      font-size: 14px;
      color: var(--text-primary);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .help-article-item .ai-arrow {
      color: var(--text-light);
      flex-shrink: 0;
    }

    /* === Quick Links === */
    .help-quick-links {
      display: flex;
      gap: 12px;
      padding: 20px 0;
      margin-bottom: 32px;
      border-bottom: 1px solid var(--border);
    }

    .help-quick-item {
      flex: 1;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 16px 20px;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      cursor: pointer;
      transition: all 0.2s;
    }

    .help-quick-item:hover {
      border-color: var(--primary-light);
      box-shadow: var(--shadow);
    }

    .help-quick-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      flex-shrink: 0;
    }

    .help-quick-text h4 {
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 2px;
    }

    .help-quick-text p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* === Responsive === */
    @media (max-width: 1024px) {
      .help-articles-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .help-layout {
        flex-direction: column;
      }

      .help-sidebar {
        width: 100%;
      }

      .help-sidebar nav {
        display: flex;
        gap: 4px;
        overflow-x: auto;
      }

      .help-sidebar nav a {
        flex-shrink: 0;
      }

      .help-quick-links {
        flex-direction: column;
      }

      .help-hero h1 {
        font-size: 24px;
      }
    }