* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #f5f5f5;
}

.article-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    background-color: #ffffff;
    min-height: 100vh;
}

.article-header {
    margin-bottom: 60px;
}

.site-logo {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: #1a1a1a;
    margin-bottom: 40px;
    text-transform: uppercase;
    text-align: center;
}

.article-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    color: #000000;
    text-align: center;
    margin: 0 auto;
    max-width: 900px;
    padding: 0 20px;
}

.article-content {
    max-width: 900px;
    margin: 0 auto;
}

.article-paragraph {
    font-size: 18px;
    line-height: 1.8;
    color: #1a1a1a;
    margin-bottom: 30px;
    text-align: justify;
}

.article-paragraph p {
    margin-bottom: 20px;
}

.article-heading {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    color: #000000;
    margin: 50px 0 30px;
}

.article-image {
    margin: 50px 0;
    text-align: center;
}

.article-image img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 4px;
}

.article-quote {
    font-size: 20px;
    font-style: italic;
    line-height: 1.6;
    color: #333333;
    margin: 40px 0;
    padding: 20px 40px;
    border-left: 4px solid #000000;
    background-color: #f9f9f9;
}

.article-html {
    margin: 30px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .article-container {
        padding: 20px 15px;
    }

    .article-title {
        font-size: 32px;
        padding: 0 10px;
    }

    .article-paragraph {
        font-size: 16px;
        text-align: left;
    }

    .article-heading {
        font-size: 24px;
        margin: 30px 0 20px;
    }

    .article-quote {
        font-size: 18px;
        padding: 15px 20px;
    }
}

@media (max-width: 480px) {
    .article-title {
        font-size: 24px;
    }

    .article-paragraph {
        font-size: 15px;
    }

    .article-heading {
        font-size: 20px;
    }
}