h2 {
            font-size: 24px;
            font-weight: 600;
            color: #0f172a;
            margin-top: 40px;
            margin-bottom: 20px;
            padding-bottom: 8px;
            border-bottom: 2px solid #e2e8f0;
        }
        h3 {
            font-size: 20px;
            font-weight: 600;
            color: #1e293b;
            margin: 24px 0 12px;
        }
        .highlight {
            background: #f0f9ff;
            border-left: 4px solid #2563eb;
            padding: 16px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
            font-weight: 500;
            color: #0369a1;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 20px 0;
        }
        .info-box {
            background: #f8fafc;
            border-radius: 16px;
            padding: 20px;
            border: 1px solid #e2e8f0;
            transition: transform 0.2s;
        }
        .info-box:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.04);
        }
        .info-box strong {
            color: #2563eb;
            font-size: 18px;
            display: block;
            margin-bottom: 10px;
        }
        .day-tag {
            display: inline-block;
            background: #2563eb;
            color: white;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 16px;
            margin-bottom: 16px;
        }
        .timeline-item {
            display: flex;
            gap: 16px;
            margin-bottom: 16px;
            align-items: flex-start;
        }
        .time {
            min-width: 80px;
            font-weight: 600;
            color: #2563eb;
            background: #eef2ff;
            padding: 4px 10px;
            border-radius: 30px;
            text-align: center;
            font-size: 14px;
        }
        .desc {
            flex: 1;
            color: #334155;
            line-height: 1.6;
        }

        .keywords {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 30px 0 20px;
        }
        .keyword {
            background: #eef2ff;
            color: #2563eb;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
        }

        footer {
            text-align: center;
            color: #94a3b8;
            font-size: 14px;
            margin-top: 40px;
        }
        @media (max-width: 600px) {
            .grid-2 { grid-template-columns: 1fr; }
            .timeline-item { flex-direction: column; }
            .time { align-self: flex-start; }
        }