.db-content-detial, .detail-product-describe {
    box-shadow: 0 2px 7px #dfdfdf;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.title-content, .post-content {
    margin-top: 20px;
}

#toc-container {
    position: sticky;
    top: 10px; /* Khoảng cách từ top khi dính */
    max-height: calc(100vh - 120px); /* Giới hạn chiều cao để không vượt khung */
    overflow-y: auto;
}

#db-post-content.collapsed {
    max-height: 400px;
    overflow: hidden;
    position: relative;
    transition: max-height 0.4s ease;
}

#db-post-content.expanded {
    max-height: none;
}

#db-post-content h2 {
    font-size: 22px;
   
    font-weight: 600;
}

#db-post-content h3 {
    font-size: 20px;
    font-weight: 600;
}

#db-post-content h1 {
    font-size: 30px;  
    font-weight: 600;
}
/* Hiệu ứng fade nhẹ dưới cùng */
#db-post-wrapper::after {
    content: "";
    position: absolute;
    bottom: 70px;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to bottom, rgba(255,255,255,0), #fff);
    pointer-events: none;
}

#db-post-content.expanded + .text-center > #toggle-post-btn::after {
    display: none;
}