:root {
            --primary-color: #e67e22;
            --secondary-color: #d35400;
            --accent-color: #f39c12;
            --dark-color: #2c3e50;
            --light-color: #ecf0f1;
            --sand-color: #f5d76e;
            --desert-color: #f7dc6f;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        .nav-link {
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            color: var(--primary-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.9)), url('https://via.placeholder.com/1920x600') center/cover no-repeat;
            color: white;
            padding: 100px 0;
            text-align: center;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 30px;
            color: var(--dark-color);
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--primary-color);
            border-radius: 2px;
        }
        .content-section {
            padding: 60px 0;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 30px;
        }
        .feature-box {
            padding: 25px;
            border-radius: 10px;
            background: var(--light-color);
            transition: all 0.3s ease;
            height: 100%;
        }
        .feature-box:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .icon-container {
            width: 70px;
            height: 70px;
            background: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 1.8rem;
        }
        .game-image {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        .game-image:hover {
            transform: scale(1.02);
        }
        .highlight-text {
            background: linear-gradient(120deg, var(--sand-color) 0%, var(--desert-color) 100%);
            padding: 20px;
            border-radius: 10px;
            border-left: 5px solid var(--primary-color);
            margin: 20px 0;
        }
        .key-point {
            display: flex;
            align-items: flex-start;
            margin-bottom: 15px;
        }
        .key-point i {
            color: var(--primary-color);
            margin-right: 10px;
            margin-top: 5px;
            flex-shrink: 0;
        }
        footer {
            background: var(--dark-color);
            color: white;
            padding: 40px 0 20px;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--primary-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            opacity: 0;
            transition: all 0.3s ease;
            z-index: 1000;
        }
        .back-to-top.show {
            opacity: 1;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }