:root {
            --primary-color: #8B4513;
            --secondary-color: #2F4F4F;
            --accent-color: #D2691E;
            --text-light: #F5F5DC;
            --bg-dark: #1A1A1A;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%);
            color: var(--text-light);
            line-height: 1.7;
        }
        .navbar-brand {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            background: linear-gradient(45deg, #D2691E, #FFD700);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .nav-link {
            color: var(--text-light) !important;
            font-weight: 500;
            transition: all 0.3s ease;
            border-bottom: 2px solid transparent;
        }
        .nav-link:hover {
            color: #FFD700 !important;
            border-bottom: 2px solid #FFD700;
        }
        .hero-section {
            background: url('https://via.placeholder.com/1200x600') center/cover no-repeat;
            padding: 100px 0;
            position: relative;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.6);
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        h1 {
            font-size: 3.5rem;
            font-weight: 800;
            background: linear-gradient(45deg, #FFD700, #D2691E);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 1.5rem;
            text-shadow: 3px 3px 6px rgba(0,0,0,0.8);
        }
        h2 {
            color: #D2691E;
            border-left: 5px solid #FFD700;
            padding-left: 15px;
            margin: 2.5rem 0 1.5rem 0;
            font-weight: 700;
        }
        h3 {
            color: #FFD700;
            margin: 2rem 0 1rem 0;
            font-weight: 600;
        }
        .content-section {
            background: rgba(42, 42, 42, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 3rem;
            margin: 2rem 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            border: 1px solid #444;
        }
        .feature-icon {
            font-size: 2.5rem;
            color: #FFD700;
            margin-bottom: 1rem;
        }
        .ghost-type-card {
            background: linear-gradient(145deg, #2d2d2d, #3a3a3a);
            border: 1px solid #555;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 1rem 0;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .ghost-type-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(210, 105, 30, 0.3);
        }
        .img-fluid {
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
            transition: transform 0.3s ease;
        }
        .img-fluid:hover {
            transform: scale(1.02);
        }
        .table-custom {
            background: rgba(50, 50, 50, 0.8);
            border-radius: 10px;
            overflow: hidden;
        }
        .table-custom th {
            background: var(--primary-color);
            color: white;
            font-weight: 600;
        }
        .table-custom td, .table-custom th {
            border-color: #555;
            padding: 1rem;
        }
        blockquote {
            border-left: 4px solid #FFD700;
            background: rgba(210, 105, 30, 0.1);
            padding: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            border-radius: 0 10px 10px 0;
        }
        .key-term {
            color: #FFD700;
            font-weight: bold;
        }
        .strategy-tip {
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: 8px;
            padding: 1rem;
            margin: 1rem 0;
        }
        footer {
            background: linear-gradient(135deg, #0c0c0c, #1a1a1a);
            border-top: 3px solid var(--primary-color);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
            .content-section {
                padding: 1.5rem;
                margin: 1rem 0;
            }
            .navbar-brand {
                font-size: 1.8rem;
            }
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--accent-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 1.5rem;
            box-shadow: 0 4px 15px rgba(0,0,0,0.3);
            transition: all 0.3s ease;
            z-index: 1000;
        }
        .back-to-top:hover {
            background: #FFD700;
            color: #000;
            transform: translateY(-3px);
        }