:root {
            --primary-dark: #1a472a;
            --primary-green: #2d5a27;
            --accent-red: #8b0000;
            --zombie-green: #4a7c59;
            --text-light: #f8f9fa;
            --bg-dark: #0d1f0d;
        }
        body {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1a331a 100%);
            color: var(--text-light);
            font-family: 'Segoe UI', system-ui, sans-serif;
            line-height: 1.7;
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(45deg, #ff6b35, #f7931e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .nav-link {
            color: var(--text-light) !important;
            font-weight: 500;
            transition: all 0.3s ease;
            border-bottom: 2px solid transparent;
        }
        .nav-link:hover {
            color: #ff6b35 !important;
            border-bottom: 2px solid #ff6b35;
        }
        .hero-section {
            background: linear-gradient(rgba(13, 31, 13, 0.8), rgba(13, 31, 13, 0.9)), url('https://via.placeholder.com/1200x600') center/cover no-repeat;
            padding: 100px 0;
            text-align: center;
            border-bottom: 3px solid var(--accent-red);
        }
        h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        h2 {
            color: #ff6b35;
            border-left: 4px solid #ff6b35;
            padding-left: 15px;
            margin: 3rem 0 1.5rem 0;
            font-weight: 700;
        }
        h3 {
            color: #f7931e;
            margin: 2rem 0 1rem 0;
            font-weight: 600;
        }
        .content-section {
            background: rgba(255,255,255,0.05);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 2.5rem;
            margin: 2rem 0;
            border: 1px solid rgba(255,255,255,0.1);
        }
        .feature-box {
            background: rgba(45, 90, 39, 0.3);
            border-radius: 10px;
            padding: 1.5rem;
            margin: 1rem 0;
            transition: transform 0.3s ease;
            border-left: 4px solid var(--accent-red);
        }
        .feature-box:hover {
            transform: translateY(-5px);
            background: rgba(45, 90, 39, 0.5);
        }
        .zombie-type {
            background: rgba(139, 0, 0, 0.2);
            border-radius: 8px;
            padding: 1rem;
            margin: 1rem 0;
            border: 1px solid rgba(255,107,53,0.3);
        }
        .weapon-card {
            background: rgba(26, 71, 42, 0.4);
            border-radius: 10px;
            padding: 1.5rem;
            margin: 1rem 0;
            transition: all 0.3s ease;
        }
        .weapon-card:hover {
            background: rgba(26, 71, 42, 0.6);
            transform: scale(1.02);
        }
        .strategy-tip {
            background: rgba(248, 249, 250, 0.1);
            border-left: 4px solid #f7931e;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        img {
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
            margin: 2rem 0;
            max-width: 100%;
            height: auto;
        }
        footer {
            background: var(--primary-dark);
            color: var(--text-light);
            padding: 3rem 0 2rem;
            margin-top: 4rem;
            border-top: 3px solid var(--accent-red);
        }
        .copyright {
            background: rgba(0,0,0,0.3);
            padding: 1.5rem;
            text-align: center;
            margin-top: 2rem;
            border-radius: 8px;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
            .hero-section {
                padding: 60px 0;
            }
            .content-section {
                padding: 1.5rem;
            }
        }
        .table-of-contents {
            background: rgba(45, 90, 39, 0.3);
            border-radius: 10px;
            padding: 2rem;
            margin: 2rem 0;
            border: 1px solid rgba(255,107,53,0.2);
        }
        .toc-list {
            columns: 2;
            list-style-type: none;
            padding: 0;
        }
        .toc-list li {
            margin-bottom: 0.8rem;
        }
        .toc-list a {
            color: #f7931e;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .toc-list a:hover {
            color: #ff6b35;
            text-decoration: underline;
        }
        @media (max-width: 576px) {
            .toc-list {
                columns: 1;
            }
        }