body {
            font-family: Arial, sans-serif;
            background: #f7f7f7;
            margin: 0;
            color: #222;
        }

        .requirements-page {
            max-width: 1100px;
            margin: 0 auto;
            padding: 36px 18px;
        }

        .requirements-hero {
            background: #111;
            color: #fff;
            padding: 34px 30px;
            border-radius: 16px;
            margin-bottom: 26px;
        }

        .requirements-hero h1 {
            margin: 0 0 12px 0;
            font-size: 32px;
            line-height: 1.25;
        }

        .requirements-hero p {
            margin: 0;
            color: #ddd;
            font-size: 16px;
            line-height: 1.6;
            max-width: 820px;
        }

        .filter-links {
            margin-bottom: 22px;
        }

        .filter-links a {
            display: inline-block;
            padding: 9px 14px;
            margin: 0 6px 8px 0;
            background: #fff;
            border: 1px solid #ddd;
            color: #222;
            text-decoration: none;
            border-radius: 20px;
            font-size: 14px;
        }

        .filter-links a.active {
            background: #111;
            color: #fff;
            border-color: #111;
        }

        .requirement-card {
            background: #fff;
            border-radius: 14px;
            padding: 22px;
            margin-bottom: 18px;
            border: 1px solid #e5e5e5;
            box-shadow: 0 3px 14px rgba(0,0,0,0.04);
        }

        .requirement-card h2 {
            margin: 0 0 10px 0;
            font-size: 22px;
            line-height: 1.35;
        }

        .requirement-card h2 a {
            color: #111;
            text-decoration: none;
        }

        .requirement-card h2 a:hover {
            text-decoration: underline;
        }

        .meta {
            margin-bottom: 12px;
            color: #666;
            font-size: 14px;
        }

        .tag {
            display: inline-block;
            background: #f0f0f0;
            padding: 5px 9px;
            border-radius: 12px;
            margin-right: 5px;
            margin-bottom: 5px;
            font-size: 13px;
        }

        .summary {
            color: #444;
            line-height: 1.6;
            margin: 12px 0 16px 0;
        }

        .read-more {
            display: inline-block;
            background: #111;
            color: #fff;
            padding: 9px 14px;
            border-radius: 6px;
            text-decoration: none;
            font-size: 14px;
        }

        .empty-box {
            background: #fff;
            padding: 24px;
            border-radius: 12px;
            border: 1px solid #e5e5e5;
        }

        .pagination-links {
            margin-top: 35px;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .pagination-links a {
            padding: 8px 13px;
            border: 1px solid #ddd;
            border-radius: 6px;
            color: #333;
            text-decoration: none;
            background: #fff;
        }

        .pagination-links a.active {
            background: #1f4e79;
            color: #fff;
            border-color: #1f4e79;
        }

        @media (max-width: 768px) {
            .requirements-hero h1 {
                font-size: 26px;
            }

            .requirements-hero {
                padding: 26px 20px;
            }
        }