/* 主容器 */
        .container {
            max-width: 1200px;
            margin: 1rem auto;
            padding: 0 1rem;
            width: 100%;
        }
        
        .container h2 {
            text-align: center;
            margin-bottom: 2rem;
            font-size: 2rem;
            color: #2c3e50;
            position: relative;
        }
        
        .container h2::after {
            content: '';
            display: block;
            width: 80px;
            height: 3px;
            background: linear-gradient(90deg, #1e88e5, #4CAF50);
            margin: 0.5rem auto 0;
        }
        
        .article-content {
            line-height: 2.5rem;
            padding: 2rem;
            font-size: 18px;
            font-weight: bold;
        }


        @media (max-width: 768px) {

        }

        @media (max-width: 480px) {

        }