/* Blog Container */
.blog-article {
    font-family: "Segoe UI", Roboto, sans-serif;
    line-height: 1.7;
    color: #333;
    margin: 2rem auto;
    max-width: 900px;
    padding: 0 20px;
}
.blog-article .main_image img{
    height: 20rem;
    object-fit: cover;
    object-position: center;
    border-radius: 1rem;
    width: 100%;
    margin-bottom: 2rem;
}
.blog-header h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #012143;
}
.blog-meta {
    font-size: 0.9rem;
    color: #666;
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

/* Table of Contents */
.blog-toc {
    background: #f9f9f9;
    border: 1px solid #eee;
    border-left: 4px solid #0077cc;
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    border-radius: 8px;
}

.blog-toc h2 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: #012143;
}

.blog-toc ul {
    list-style: none;
    padding-left: 0;
}

.blog-toc ul li {
    margin: 0.3rem 0;
}

.blog-toc ul li a {
    color: #0077cc;
    text-decoration: none;
}

.blog-toc ul li a:hover {
    text-decoration: underline;
}

/* Blog Content */
.blog-content h2 {
    font-size: 1.6rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.3rem;
    color: #012143;
}

.blog-content h3 {
    font-size: 1.3rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: #012143;
}
.blog-content h4 {
    font-size: 1.2rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: #012143;
}
.blog-content h5 {
    font-size: 1.1rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: #012143;
}
.blog-content h6 {
    font-size: 1rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: #012143;
}

.blog-content p {
    margin: 0.8rem 0;
}

.blog-content ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.blog-content li {
    margin: 0.5rem 0;
    display: list-item;
}