.container {
    max-width: 900px;
    margin: 40px auto;
    padding: 20px;
}

.article-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 3px solid #7DD3C5;
}

.article-title {
    font-size: 2.6rem;
    font-weight: 700;
    color: #1B4F72;
    margin-bottom: 12px;
    line-height: 1.2;
}

.article-meta {
    font-size: 1.1rem;
    color: #555;
    font-style: italic;
}

.article-body {
    font-size: 1.15rem;
    text-align: justify;
}

.article-body h2 {
    font-size: 1.9rem;
    text-align: left;
    color: #1B4F72;
    margin: 2.5rem 0 1.2rem 0;
    font-weight: 600;
}

.article-body h3 {
    font-size: 1.6rem;
    color: #2C5F2D;
    margin: 2rem 0 1rem 0;
    font-weight: 600;
}

.article-body p {
    margin-bottom: 1.4rem;
}

.article-body ul {
    margin: 1.6rem 0;
    padding-left: 2.2rem;
}

.article-body li {
    margin-bottom: 0.9rem;
    position: relative;
}

.article-body li::marker {
    color: #7DD3C5;
    font-weight: bold;
}

.highlight {
    background: #f0f8f7;
    padding: 1.5rem;
    border-left: 5px solid #7DD3C5;
    margin: 2rem 0;
    border-radius: 0 8px 8px 0;
}

strong {
    color: #1B4F72;
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
        margin: 20px auto;
    }

    .article-title {
        font-size: 2.1rem;
    }

    .article-body {
        font-size: 1.1rem;
    }

    .article-body h2 {
        font-size: 1.7rem;
    }

    .article-body h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .article-title {
        font-size: 1.9rem;
    }

    .article-body {
        font-size: 1.05rem;
    }
}