:root {
            --primary-color: #1a237e;
            --secondary-color: #ff6f00;
            --accent-color: #4caf50;
            --text-color: #333333;
            --light-bg: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #ffffff;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .nav-link {
            font-weight: 500;
            color: var(--text-color) !important;
            transition: color 0.3s ease;
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color), #283593);
            color: white;
            padding: 4rem 0;
            margin-bottom: 3rem;
        }
        h1, h2, h3 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }
        h1 {
            font-size: 2.5rem;
            font-weight: 800;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
        }
        h2 {
            font-size: 2rem;
            border-left: 5px solid var(--secondary-color);
            padding-left: 1rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--secondary-color);
            margin-top: 2rem;
        }
        .content-section {
            padding: 2rem 0;
        }
        .highlight-box {
            background-color: var(--light-bg);
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .key-point {
            background-color: #e3f2fd;
            padding: 1rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        .key-point i {
            color: var(--secondary-color);
            margin-right: 10px;
        }
        .img-container {
            margin: 2rem 0;
            text-align: center;
        }
        .img-container img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        .caption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .table-of-contents {
            background-color: var(--light-bg);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .table-of-contents h3 {
            margin-top: 0;
            color: var(--primary-color);
        }
        .table-of-contents ul {
            padding-left: 1.5rem;
        }
        .table-of-contents li {
            margin-bottom: 0.5rem;
        }
        .table-of-contents a {
            color: var(--text-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .table-of-contents a:hover {
            color: var(--secondary-color);
        }
        .stat-box {
            background: linear-gradient(135deg, var(--primary-color), #283593);
            color: white;
            padding: 1.5rem;
            border-radius: 8px;
            text-align: center;
            margin: 1.5rem 0;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .stat-label {
            font-size: 1rem;
            opacity: 0.9;
        }
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 3rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-links a {
            color: #e0e0e0;
            text-decoration: none;
            margin-right: 1.5rem;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: white;
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.8;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .hero-section {
                padding: 2.5rem 0;
            }
        }
        .strategy-tip {
            background-color: #fff8e1;
            border: 1px solid #ffecb3;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .strategy-tip h4 {
            color: var(--secondary-color);
            margin-top: 0;
        }
        strong {
            color: var(--primary-color);
        }
        .basketball-icon {
            color: var(--secondary-color);
            margin-right: 8px;
        }