body {
            font-family: 'Noto Sans KR', sans-serif;
            margin: 0;
            padding: 0;
            line-height: 1.6;
            background-color: #f9f9f9;
            color: #333;
        }
        .container {
            max-width: 900px;
            margin: 50px auto;
            padding: 20px;
            background-color: #fff;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            border-radius: 10px;
        }
        h1 {
            font-size: 28px;
            text-align: center;
            margin-bottom: 20px;
            color: #1a1a1a;
        }
        h2 {
            font-size: 20px;
            margin-top: 30px;
            margin-bottom: 10px;
            color: #444;
        }
        p {
            margin-bottom: 15px;
        }
        ul {
            padding-left: 20px;
            margin-bottom: 15px;
        }
        li {
            margin-bottom: 8px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 20px auto; /* 居中图片 */
            border-radius: 8px;
        }
        @media (max-width: 600px) {
            .container {
                margin: 20px;
                padding: 15px;
            }
            h1 {
                font-size: 24px;
            }
            h2 {
                font-size: 18px;
            }
        }