body {
    font-family: 'Trebuchet MS', sans-serif;
    margin: 0;
    padding: 0;
    background: #f9f9f9;
    color: #333;
}

.header-container {
    background: #ffffff;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin: 0 auto;
    border-bottom: 1px solid #ddd;
    width: 60%;
    max-width: 1200px;
    box-sizing: border-box;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: #f67b16;
    margin: 0;
}

.logo a {
    text-decoration: none;
    color: #f67b16;
}

.header-text {
    margin: 0;
    color: #666;
    font-size: 18px;
}

.container {
    width: 60%;
    margin: 40px auto;
    padding: 20px;
    background: #ffffff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    box-sizing: border-box;
}

.article-title {
    font-size: 32px;
    color: #333;
    margin-bottom: 10px;
}

.article-subtitle {
    font-size: 22px;
    color: #666;
    margin-bottom: 20px;
}

.article img {
    width: 50%;
    height: auto;
    margin: 20px 0;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.article p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: justify;
}

.article a {
    color: #F67B16;
    text-decoration: none;
}

.article a:hover {
    text-decoration: underline;
}

footer {
    background: #ffffff;
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid #ddd;
    width: 60%;
    max-width: 1200px;
    margin: 40px auto;
    box-sizing: border-box;
}

footer p {
    margin: 0;
    font-size: 14px;
    color: #666;
}

@media (max-width: 1200px) {
    .container {
        width: 80%;
    }
    .header-container, footer {
        width: 80%;
    }
}

@media (max-width: 768px) {
    .container {
        width: 90%;
    }
    .header-container, footer {
        width: 90%;
    }
    .article img {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        width: 95%;
    }
    .header-container, footer {
        width: 95%;
    }
    .header-container {
        padding: 15px;
    }
    .logo {
        font-size: 24px;
    }
    .header-text {
        font-size: 16px;
    }
}