:root {
            --primary-purple: #6a0dad;
            --secondary-gold: #ffd700;
            --accent-blue: #4169e1;
            --dark-bg: #1a0033;
            --light-text: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            background: linear-gradient(135deg, var(--dark-bg) 0%, #2d0066 100%);
            color: var(--light-text);
            line-height: 1.7;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            background: linear-gradient(45deg, var(--secondary-gold), var(--accent-blue));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .hero-section {
            background: linear-gradient(rgba(26,0,51,0.8), rgba(42,0,82,0.9)), url('https://via.placeholder.com/1200x600') center/cover no-repeat;
            padding: 100px 0;
            text-align: center;
            margin-bottom: 50px;
        }
        .content-section {
            background: rgba(255,255,255,0.05);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 30px;
            margin-bottom: 30px;
            border: 1px solid rgba(255,255,255,0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .content-section:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(106,13,173,0.3);
        }
        h1, h2, h3 {
            color: var(--secondary-gold);
            margin-bottom: 1.5rem;
        }
        h1 {
            font-size: 2.8rem;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        h2 {
            font-size: 2.2rem;
            border-left: 4px solid var(--accent-blue);
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--accent-blue);
        }
        .keyword-highlight {
            background: linear-gradient(120deg, transparent 0%, rgba(255,215,0,0.2) 100%);
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        .feature-icon {
            font-size: 2rem;
            color: var(--secondary-gold);
            margin-right: 15px;
        }
        .img-container {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
            margin: 25px 0;
        }
        .nav-link {
            color: var(--light-text) !important;
            transition: color 0.3s ease;
            font-weight: 500;
        }
        .nav-link:hover {
            color: var(--secondary-gold) !important;
        }
        .footer {
            background: rgba(0,0,0,0.8);
            padding: 40px 0;
            margin-top: 50px;
            border-top: 2px solid var(--primary-purple);
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .hero-section {
                padding: 60px 0;
            }
        }
        .table-of-contents {
            background: rgba(255,255,255,0.08);
            border-radius: 10px;
            padding: 20px;
            margin-bottom: 30px;
        }
        .toc-item {
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .toc-item:last-child {
            border-bottom: none;
        }
        .stats-box {
            background: linear-gradient(135deg, var(--primary-purple), var(--accent-blue));
            border-radius: 10px;
            padding: 20px;
            text-align: center;
            margin: 15px 0;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--secondary-gold);
        }
        blockquote {
            border-left: 4px solid var(--secondary-gold);
            padding-left: 20px;
            margin: 25px 0;
            font-style: italic;
            background: rgba(255,215,0,0.05);
            padding: 15px 20px;
            border-radius: 0 8px 8px 0;
        }