.blog-content { font-size: 17px; line-height: 1.85; color: #333; }
    .blog-content h2 { font-size: 28px; margin-top: 40px; margin-bottom: 20px; color: #2E3F8F; border-left: 4px solid #FFCC00; padding-left: 15px; }
    .blog-content h3 { font-size: 22px; margin-top: 30px; margin-bottom: 15px; color: #444; }
    .blog-content p { margin-bottom: 20px; }
    .blog-content ul, .blog-content ol { margin-bottom: 20px; padding-left: 25px; }
    .blog-content li { margin-bottom: 8px; }
    .blog-content img { max-width: 100%; height: auto; border-radius: 12px; margin: 25px 0; box-shadow: 0 5px 20px rgba(0,0,0,0.1); }
    .table-of-contents { background: #f8f9fc; padding: 25px; border-radius: 12px; margin: 30px 0; border: 1px solid #eef2f7; }
    .table-of-contents h4 { margin-bottom: 15px; color: #2E3F8F; }
    .table-of-contents ul { columns: 2; list-style: none; padding-left: 0; }
    .table-of-contents li { margin-bottom: 8px; }
    .table-of-contents a { color: #333; text-decoration: none; }
    .table-of-contents a:hover { color: #FFCC00; }
    .info-box { background: #e8f4fd; padding: 20px; border-radius: 12px; margin: 25px 0; border-left: 4px solid #2E3F8F; }
    .budget-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
    .budget-table th, .budget-table td { border: 1px solid #ddd; padding: 12px; text-align: left; }
    .budget-table th { background: #2E3F8F; color: white; }
    .budget-table tr:nth-child(even) { background: #f9f9f9; }
    .pro-tip { background: #fff8e7; padding: 20px; border-radius: 12px; margin: 25px 0; border-left: 4px solid #FFCC00; }
    @media (max-width: 768px) { .table-of-contents ul { columns: 1; } .blog-content h2 { font-size: 24px; } }