.blog-detail-item {
    margin-bottom: 60px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.blog-detail-item__header {
    padding: 30px 30px 20px;
}

.blog-detail-item__category {
    margin-bottom: 15px;
}

.blog-detail-item__category-link {
    display: inline-block;
    background-color: #f0f7ff;
    color: #0066cc;
    font-size: 14px;
    font-weight: 500;
    padding: 5px 12px;
    border-radius: 20px;
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.blog-detail-item__category-link:hover {
    background-color: #e0f0ff;
}

.blog-detail-item__header h1 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    color: #333;
}

.blog-detail-item__meta {
    display: flex;
    align-items: center;
    gap: 20px;
    color: #888;
    font-size: 14px;
}

.blog-detail-item__date {
    display: flex;
    align-items: center;
    color: #888;
    font-size: 14px;
}

.blog-detail-item__date svg {
    margin-right: 8px;
    color: #888;
}

.blog-detail-item__image {
    width: 100%;
    max-height: 500px;
    position: relative;
    overflow: hidden;
}

.blog-detail-item__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.blog-detail-item__content {
    padding: 30px;
    line-height: 1.7;
    font-size: 16px;
    color: #333;
}

.blog-detail-item__content p {
    margin-bottom: 20px;
}

.blog-detail-item__content h2 {
    font-size: 24px;
    margin: 30px 0 20px;
    color: #333;
}

.blog-detail-item__content h3 {
    font-size: 20px;
    margin: 25px 0 15px;
    color: #333;
}

.blog-detail-item__content ul, 
.blog-detail-item__content ol {
    margin-bottom: 20px;
    padding-left: 20px;
}

.blog-detail-item__content li {
    margin-bottom: 10px;
}

.blog-detail-item__content a {
    color: #0066cc;
    text-decoration: none;
}

.blog-detail-item__content a:hover {
    text-decoration: underline;
}

.blog-detail-item__content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 20px 0;
}

.blog-detail-item__video {
    margin: 30px 0;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 8px;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.blog-back-link {
    margin-top: 30px;
    text-align: center;
}

.blog-back-link a {
    display: inline-flex;
    align-items: center;
    color: #0066cc;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 12px 20px;
    border: 2px solid #0066cc;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.blog-back-link a:before {
    content: '';
    display: inline-block;
    width: 18px;
    height: 18px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%230066cc"><path d="M20 11H7.8l5.6-5.6L12 4l-8 8 8 8 1.4-1.4L7.8 13H20v-2z"/></svg>');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    margin-right: 10px;
}

.blog-back-link a:hover {
    background-color: #0066cc;
    color: #fff;
}

.blog-back-link a:hover:before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23ffffff"><path d="M20 11H7.8l5.6-5.6L12 4l-8 8 8 8 1.4-1.4L7.8 13H20v-2z"/></svg>');
}

@media (max-width: 768px) {
    .blog-detail-item__header {
        padding: 20px 20px 15px;
    }
    
    .blog-detail-item__header h1 {
        font-size: 26px;
    }
    
    .blog-detail-item__image {
        max-height: 300px;
    }
    
    .blog-detail-item__content {
        padding: 20px;
    }
}