#ftwp-contents {
    max-height: 400px !important; 
    overflow-y: auto !important;
    overflow-x: hidden !important;
}


#ftwp-container-outer.ftwp-in-post:not(.ftwp-scrolled) {
    position: static !important;
    float: none !important;
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    margin: 20px 0 !important;
}

#ftwp-container-outer.ftwp-in-post:not(.ftwp-scrolled) #ftwp-contents {
    width: 100% !important;
    max-width: 100% !important;
    max-height: none !important;
    height: auto !important;
    overflow: visible !important;
}

#ftwp-container-outer.ftwp-in-post:not(.ftwp-scrolled) #ftwp-list {
    max-height: none !important;
    height: auto !important;
    overflow: visible !important;
}
/* Khi đã cuộn đủ xa – TOC biến thành khung nhỏ cố định */
#ftwp-container-outer.ftwp-in-post.ftwp-scrolled {
    position: fixed !important;
    top: 120px;         
    left: 20px;        
    width: 280px !important;
    max-width: 280px !important;
    height: auto !important;
    z-index: 9999;
}

#ftwp-container-outer.ftwp-in-post.ftwp-scrolled #ftwp-contents {
    max-height: 400px !important;      
    overflow-y: auto !important;
    overflow-x: hidden !important;
}

#ftwp-container-outer.ftwp-in-post.ftwp-scrolled #ftwp-list {
    max-height: 350px !important;       
    overflow-y: auto !important;
    overflow-x: hidden !important;
}

#ftwp-container-outer,
#ftwp-contents {
    height: auto !important;
}
#ftwp-container-outer.ftwp-in-post {
    transition: all 0.25s ease;
}
#ftwp-container-outer.ftwp-in-post.ftwp-scrolled #ftwp-list::-webkit-scrollbar {
    width: 6px;
}

#ftwp-container-outer.ftwp-in-post.ftwp-scrolled #ftwp-list::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}

#ftwp-container-outer.ftwp-in-post.ftwp-scrolled #ftwp-list::-webkit-scrollbar-thumb:hover {
    background: #999;
}