.author-profile{
    background: linear-gradient(135deg,#ffffff 0%,rgba(30,41,59,.10) 45%,var(--color-bg-soft) 100%);
}
.author-profile h1{
    color: var(--color-primary-darker);
    text-shadow: 0 2px 18px rgba(59,130,246,.18), 0 0 0 rgba(0,0,0,0);
}
.author-profile img.rounded-circle{
    border: 4px solid #ffffff;
    border-radius: 999px;
    box-shadow:
        0 18px 40px rgba(2,6,23,.16),
        0 6px 18px rgba(2,6,23,.10),
        inset 0 0 0 1px rgba(148,163,184,.55),
        inset 0 10px 18px rgba(255,255,255,.65);
}
.author-profile .badge.bg-light{
    background: rgba(51,65,85,.12) !important;
    color: rgba(15,23,42,.86) !important;
    border: 1px solid rgba(148,163,184,.35) !important;
    transition: background var(--transition-slow) cubic-bezier(.2,.8,.2,1), color var(--transition-slow) cubic-bezier(.2,.8,.2,1), border-color var(--transition-slow) cubic-bezier(.2,.8,.2,1), transform var(--transition-fast) cubic-bezier(.2,.8,.2,1);
}
.author-profile .badge.bg-light:hover{
    background: linear-gradient(180deg,rgba(59,130,246,.98) 0%,rgba(29,78,216,.98) 100%) !important;
    color: #ffffff !important;
    border-color: rgba(59,130,246,.65) !important;
    box-shadow: 0 14px 32px rgba(59,130,246,.22), 0 6px 14px rgba(2,6,23,.14);
    transform: translateY(-1px);
}

/* ============================================
   2. Author Box (AuthorBoxSection)
   ============================================ */
.author-box{
    border-inline-start: 4px solid rgba(59,130,246,.95);
    border-radius: 18px;
    transition: box-shadow 340ms cubic-bezier(.2,.8,.2,1), transform 340ms cubic-bezier(.2,.8,.2,1), border-color 340ms cubic-bezier(.2,.8,.2,1), background 340ms cubic-bezier(.2,.8,.2,1);
    background: linear-gradient(180deg,rgba(255,255,255,.70) 0%,rgba(226,232,240,.40) 100%);
    box-shadow:
        0 12px 30px rgba(2,6,23,.10),
        0 4px 14px rgba(2,6,23,.08),
        inset 0 0 0 1px rgba(148,163,184,.22);
}
.author-box:hover{
    box-shadow:
        0 26px 60px rgba(2,6,23,.16),
        0 10px 26px rgba(59,130,246,.18),
        0 2px 10px rgba(2,6,23,.08),
        inset 0 0 0 1px rgba(59,130,246,.28);
    transform: translateY(-2px);
}
.author-box img{
    transition: transform 380ms cubic-bezier(.2,.8,.2,1), filter 380ms cubic-bezier(.2,.8,.2,1);
    filter: saturate(1.02) contrast(1.02);
}
.author-box:hover img{
    transform: scale(1.05);
    filter: saturate(1.08) contrast(1.05);
}

/* ============================================
   3. Author Posts List (AuthorPostsListSection)
   ============================================ */
.author-posts-list .card{
    transition: transform 320ms cubic-bezier(.2,.8,.2,1), box-shadow 320ms cubic-bezier(.2,.8,.2,1), border-color 320ms cubic-bezier(.2,.8,.2,1);
    overflow: hidden;
    border-radius: 22px;
    box-shadow:
        0 10px 26px rgba(2,6,23,.08),
        0 2px 10px rgba(2,6,23,.06),
        inset 0 0 0 1px rgba(148,163,184,.20);
    background: linear-gradient(180deg,rgba(255,255,255,.95) 0%,rgba(241,245,249,.78) 100%);
}
.author-posts-list .card:hover{
    transform: translateY(-5px);
    box-shadow:
        0 30px 70px rgba(2,6,23,.16),
        0 14px 34px rgba(59,130,246,.16),
        0 2px 12px rgba(2,6,23,.08),
        inset 0 0 0 1px rgba(59,130,246,.30);
}
.author-posts-list .card-img-top{
    transition: transform 520ms cubic-bezier(.2,.8,.2,1), filter 520ms cubic-bezier(.2,.8,.2,1);
    filter: saturate(1.02) brightness(1.01);
}
.author-posts-list .card:hover .card-img-top{
    transform: scale(1.06);
    filter: saturate(1.10) brightness(1.03);
}

/* ============================================
   4. Main Authors (MainAuthorsSection)
   ============================================ */
.main-authors-section{
    background: linear-gradient(180deg,rgba(15,23,42,.04) 0%,rgba(30,41,59,.10) 100%);
}
.author-card{
    transition: transform 360ms cubic-bezier(.2,.8,.2,1), box-shadow 360ms cubic-bezier(.2,.8,.2,1), border-color 360ms cubic-bezier(.2,.8,.2,1);
    border: 1px solid rgba(148,163,184,.28);
    border-radius: 24px;
    box-shadow:
        0 12px 30px rgba(2,6,23,.08),
        0 3px 12px rgba(2,6,23,.06);
    background: linear-gradient(180deg,rgba(255,255,255,.92) 0%,rgba(241,245,249,.70) 100%);
}
.author-card:hover{
    transform: translateY(-8px);
    box-shadow:
        0 34px 80px rgba(2,6,23,.18),
        0 12px 30px rgba(59,130,246,.20),
        0 2px 14px rgba(2,6,23,.08);
    border-color: rgba(59,130,246,.55);
}
.author-card img.rounded-circle{
    border: 3px solid rgba(148,163,184,.40);
    transition: border-color 320ms cubic-bezier(.2,.8,.2,1), box-shadow 320ms cubic-bezier(.2,.8,.2,1), transform 320ms cubic-bezier(.2,.8,.2,1);
    box-shadow:
        0 14px 28px rgba(2,6,23,.16),
        inset 0 0 0 1px rgba(255,255,255,.45);
}
.author-card:hover img.rounded-circle{
    border-color: rgba(59,130,246,.95);
    box-shadow:
        0 22px 44px rgba(59,130,246,.22),
        0 10px 20px rgba(2,6,23,.14),
        inset 0 0 0 1px rgba(255,255,255,.50);
}

/* ============================================
   5. FAQ (FaqSection) - <details>/<summary>
   ============================================ */
.faq-section{
    background: linear-gradient(180deg,rgba(30,41,59,.08) 0%,rgba(255,255,255,.98) 100%);
    border-radius: 28px;
    box-shadow:
        0 20px 60px rgba(2,6,23,.10),
        0 2px 18px rgba(2,6,23,.06),
        inset 0 0 0 1px rgba(148,163,184,.18);
}
.faq-section h2{
    font-size: 1.75rem;
    color: var(--color-primary-darker);
    text-shadow: 0 10px 30px rgba(59,130,246,.14);
}

/* FAQ item */
.faq-list .faq-item{
    border: 1px solid rgba(148,163,184,.22);
    transition: box-shadow 300ms cubic-bezier(.2,.8,.2,1), transform 300ms cubic-bezier(.2,.8,.2,1), border-color 300ms cubic-bezier(.2,.8,.2,1), background 300ms cubic-bezier(.2,.8,.2,1);
    cursor: pointer;
    border-radius: 18px;
    background: linear-gradient(180deg,rgba(255,255,255,.92) 0%,rgba(241,245,249,.76) 100%);
    box-shadow:
        0 10px 26px rgba(2,6,23,.06),
        inset 0 0 0 1px rgba(255,255,255,.40);
}
.faq-list .faq-item:hover{
    box-shadow: 0 22px 54px rgba(2,6,23,.14) !important, 0 10px 24px rgba(59,130,246,.10) !important;
    transform: translateY(-2px);
    border-color: rgba(59,130,246,.30);
    background: linear-gradient(180deg,rgba(255,255,255,.98) 0%,rgba(231,240,254,.80) 100%);
}

.faq-list .faq-item[open]{
    border-color: rgba(59,130,246,.35);
    background: linear-gradient(90deg,rgba(239,246,255,.98) 0%,rgba(255,255,255,.98) 100%);
    box-shadow:
        0 30px 80px rgba(59,130,246,.14),
        0 10px 26px rgba(2,6,23,.10),
        inset 0 0 0 1px rgba(59,130,246,.18);
}

/* summary */
.faq-list .faq-item summary{
    list-style: none;
    cursor: pointer;
    font-size: 1.05rem;
    line-height: 1.6;
    padding-inline-end: 2rem;
    position: relative;
    user-select: none;
}
.faq-list .faq-item summary::-webkit-details-marker{
    display: none;
}
.faq-list .faq-item summary::marker{
    content: '';
}
.faq-list .faq-item summary::after{
    content: '+';
    position: absolute;
    inset-inline-end: 0.25rem;
    inset-block-start: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    font-weight: 300;
    color: rgba(59,130,246,.96);
    transition: transform 260ms cubic-bezier(.2,.8,.2,1), color 260ms cubic-bezier(.2,.8,.2,1);
    line-height: 1;
    text-shadow: 0 10px 26px rgba(59,130,246,.22);
}
.faq-list .faq-item[open] summary::after{
    content: '−';
    transform: translateY(-50%) rotate(180deg);
    color: rgba(29,78,216,.98);
}

/* Q number */
.faq-list .faq-q-num{
    font-weight: 700;
    font-size: 0.95rem;
    color: rgba(59,130,246,.96);
    text-shadow: 0 10px 22px rgba(59,130,246,.14);
}

/* Answer */
.faq-list .faq-answer{
    font-size: 0.95rem;
    line-height: 1.8;
    animation: faqFadeIn 320ms cubic-bezier(.2,.8,.2,1);
    color: rgba(15,23,42,.86);
    text-shadow: 0 1px 0 rgba(255,255,255,.75);
}

@keyframes faqFadeIn{
    from{
        opacity: 0;
        transform: translateY(-5px);
        filter: blur(2px);
    }
    to{
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

/* ============================================
   6. Sidebar Widgets (SidebarWidgetsSection)
   ============================================ */
.sidebar-widgets .card{
    transition: box-shadow 280ms cubic-bezier(.2,.8,.2,1), transform 280ms cubic-bezier(.2,.8,.2,1), border-color 280ms cubic-bezier(.2,.8,.2,1);
    border-radius: 22px;
    box-shadow:
        0 12px 28px rgba(2,6,23,.06),
        inset 0 0 0 1px rgba(148,163,184,.18);
    background: linear-gradient(180deg,rgba(255,255,255,.96) 0%,rgba(241,245,249,.78) 100%);
}
.sidebar-widgets .card:hover{
    box-shadow:
        0 28px 70px rgba(2,6,23,.14),
        0 10px 24px rgba(59,130,246,.12),
        inset 0 0 0 1px rgba(59,130,246,.22);
    transform: translateY(-2px);
}
.sidebar-widgets h5{
    color: rgba(30,41,59,.92);
    text-shadow: 0 10px 30px rgba(59,130,246,.12);
}
.sidebar-widgets .badge{
    transition: background-color 220ms cubic-bezier(.2,.8,.2,1), color 220ms cubic-bezier(.2,.8,.2,1), border-color 220ms cubic-bezier(.2,.8,.2,1), transform 220ms cubic-bezier(.2,.8,.2,1), box-shadow 220ms cubic-bezier(.2,.8,.2,1);
    cursor: pointer;
    border-radius: 999px;
    border: 1px solid rgba(148,163,184,.26);
    background: rgba(51,65,85,.10);
    color: rgba(15,23,42,.80);
}
.sidebar-widgets .badge:hover{
    background-color: rgba(59,130,246,.98) !important;
    color: #ffffff !important;
    border-color: rgba(59,130,246,.65) !important;
    transform: translateY(-1px);
    box-shadow: 0 18px 42px rgba(59,130,246,.22);
}

.sidebar-widgets ul li:last-child{
    border-bottom: 0 !important;
    padding-bottom: 0 !important;
    margin-bottom: 0 !important;
}
.sidebar-widgets ul li a:hover .small{
    color: rgba(59,130,246,.98) !important;
    text-shadow: 0 10px 22px rgba(59,130,246,.16);
}

/* ============================================
   7. Pagination (PaginationSection)
   ============================================ */
.pagination .page-link{
    color: rgba(59,130,246,.98);
    border-color: rgba(59,130,246,.28);
    transition: background-color 200ms cubic-bezier(.2,.8,.2,1), color 200ms cubic-bezier(.2,.8,.2,1), border-color 200ms cubic-bezier(.2,.8,.2,1), box-shadow 200ms cubic-bezier(.2,.8,.2,1), transform 200ms cubic-bezier(.2,.8,.2,1);
    border-radius: 14px;
    background: rgba(255,255,255,.75);
    box-shadow: inset 0 0 0 1px rgba(148,163,184,.18);
}
.pagination .page-link:hover{
    background-color: rgba(239,246,255,.88);
    color: rgba(30,41,59,.92);
    border-color: rgba(59,130,246,.55);
    box-shadow: 0 16px 40px rgba(59,130,246,.14);
    transform: translateY(-1px);
}
.pagination .page-item.active .page-link{
    background: linear-gradient(180deg,rgba(59,130,246,.98) 0%,rgba(29,78,216,.98) 100%);
    border-color: rgba(59,130,246,.65);
    color: #ffffff;
    box-shadow:
        0 22px 54px rgba(59,130,246,.24),
        inset 0 0 0 1px rgba(255,255,255,.28);
}
.pagination .page-item.disabled .page-link{
    color: rgba(148,163,184,.85);
    border-color: rgba(148,163,184,.35);
    background: rgba(255,255,255,.55);
    box-shadow: none;
}

/* ============================================
   8. Search Box (SearchBoxSection)
   ============================================ */
.search-box-section{
    background: linear-gradient(180deg,rgba(30,41,59,.10) 0%,var(--color-bg-soft) 100%);
    border-radius: 28px;
}
.search-box-section .input-group-lg .form-control{
    border-radius: var(--radius-pill) 0 0 var(--radius-pill);
    padding-inline-start: 1.5rem;
    background: rgba(255,255,255,.92);
    border: 1px solid rgba(148,163,184,.30);
    box-shadow:
        0 12px 28px rgba(2,6,23,.06),
        inset 0 0 0 1px rgba(255,255,255,.35);
}
.search-box-section .input-group-lg .btn{
    border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
    background: linear-gradient(180deg,rgba(59,130,246,.98) 0%,rgba(29,78,216,.98) 100%);
    border: 1px solid rgba(59,130,246,.55);
    color: #ffffff;
    box-shadow:
        0 18px 44px rgba(59,130,246,.22),
        0 6px 18px rgba(2,6,23,.12),
        inset 0 0 0 1px rgba(255,255,255,.22);
    transition: transform 220ms cubic-bezier(.2,.8,.2,1), box-shadow 220ms cubic-bezier(.2,.8,.2,1), filter 220ms cubic-bezier(.2,.8,.2,1);
}
.search-box-section .input-group-lg .btn:hover{
    transform: translateY(-1px);
    filter: saturate(1.06);
    box-shadow:
        0 26px 70px rgba(59,130,246,.24),
        0 10px 26px rgba(2,6,23,.14),
        inset 0 0 0 1px rgba(255,255,255,.28);
}
.search-box-section .badge{
    transition: background-color 220ms cubic-bezier(.2,.8,.2,1), color 220ms cubic-bezier(.2,.8,.2,1), border-color 220ms cubic-bezier(.2,.8,.2,1), transform 220ms cubic-bezier(.2,.8,.2,1), box-shadow 220ms cubic-bezier(.2,.8,.2,1);
}
.search-box-section .badge:hover{
    background-color: rgba(59,130,246,.98) !important;
    color: #fff !important;
    border-color: rgba(59,130,246,.65) !important;
    transform: translateY(-1px);
    box-shadow: 0 18px 44px rgba(59,130,246,.22);
}

/* ============================================
   9. Search Results (SearchResult
sSection)
   ============================================ */
.search-results-section{
    background: linear-gradient(180deg,rgba(2,6,23,.04) 0%,rgba(30,41,59,.08) 100%);
}
.search-result{
    transition: transform 300ms cubic-bezier(.2,.8,.2,1), box-shadow 300ms cubic-bezier(.2,.8,.2,1);
    border-radius: 22px;
    box-shadow:
        0 10px 26px rgba(2,6,23,.06),
        inset 0 0 0 1px rgba(148,163,184,.16);
    background: linear-gradient(180deg,rgba(255,255,255,.92) 0%,rgba(241,245,249,.76) 100%);
}
.search-result:hover{
    transform: translateX(3px);
    box-shadow:
        0 26px 70px rgba(2,6,23,.14),
        0 10px 26px rgba(59,130,246,.12),
        inset 0 0 0 1px rgba(59,130,246,.22);
}
.search-result h2 a:hover{
    color: rgba(59,130,246,.98) !important;
    text-shadow: 0 12px 26px rgba(59,130,246,.16);
}
.search-result mark{
    background-color: rgba(254,240,138,.85);
    padding-inline: 2px;
    border-radius: 6px;
    font-weight: 700;
    color: rgba(30,41,59,.92);
    box-shadow: 0 10px 30px rgba(254,240,138,.18);
}

/* ============================================
   10. Error Page (Error404Section)
   ============================================ */
.error-page h1{
    background: linear-gradient(135deg,rgba(59,130,246,.98),rgba(29,78,216,.98));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    line-height: 1;
    text-shadow:
        0 10px 34px rgba(59,130,246,.24),
        0 2px 12px rgba(2,6,23,.12);
}
.recommended-links .badge{
    transition: background-color 220ms cubic-bezier(.2,.8,.2,1), color 220ms cubic-bezier(.2,.8,.2,1), border-color 220ms cubic-bezier(.2,.8,.2,1), transform 220ms cubic-bezier(.2,.8,.2,1), box-shadow 220ms cubic-bezier(.2,.8,.2,1);
    border: 1px solid rgba(148,163,184,.35);
    border-radius: 999px;
    background: rgba(255,255,255,.70);
    color: rgba(15,23,42,.84);
    box-shadow: 0 12px 30px rgba(2,6,23,.06);
}
.recommended-links .badge:hover{
    background-color: rgba(59,130,246,.98) !important;
    color: #fff !important;
    border-color: rgba(59,130,246,.65) !important;
    transform: translateY(-2px);
    box-shadow: 0 22px 60px rgba(59,130,246,.22), 0 10px 24px rgba(2,6,23,.12);
}
.recommended-links .badge:hover .text-warning{
    color: rgba(59,130,246,.98) !important;
    text-shadow: 0 10px 22px rgba(59,130,246,.18);
}

/* ============================================
   11. Legal Article (LegalArticleSection)
   ============================================ */
.legal-article-section,
main:has(> .container > article.bg-white){
    background: linear-gradient(180deg,rgba(30,41,59,.10) 0%,var(--color-bg-soft) 100%);
}
article :is(h2.h4){
    color: rgba(30,41,59,.95);
    border-bottom: 2px solid rgba(59,130,246,.30);
    padding-bottom: var(--space-xs);
    margin-bottom: var(--space-sm);
    text-shadow: 0 10px 26px rgba(59,130,246,.10);
}
article .alert-info{
    background-color: rgba(239,246,255,.92);
    border-color: rgba(191,219,254,.85);
    color: rgba(30,41,59,.92);
    border-radius: 18px;
    box-shadow: 0 18px 46px rgba(59,130,246,.10);
}
article .list-group-item{
    background: transparent;
    transition: background 220ms cubic-bezier(.2,.8,.2,1), padding-inline-start 220ms cubic-bezier(.2,.8,.2,1), box-shadow 220ms cubic-bezier(.2,.8,.2,1), transform 220ms cubic-bezier(.2,.8,.2,1);
    border-radius: 14px;
}
article .list-group-item:hover{
    background: rgba(241,245,249,.92);
    padding-inline-start: var(--space-sm);
    box-shadow: 0 18px 44px rgba(2,6,23,.08);
}

/* ============================================
   12. Post List (PostListSection - Category page)
   ============================================ */
.posts-grid{
    /* Container nếu cần */
}
.posts-grid .card{
    transition: transform 320ms cubic-bezier(.2,.8,.2,1), box-shadow 320ms cubic-bezier(.2,.8,.2,1), border-color 320ms cubic-bezier(.2,.8,.2,1);
    border: 1px solid rgba(148,163,184,.25);
    overflow: hidden;
    border-radius: 24px;
    box-shadow:
        0 12px 30px rgba(2,6,23,.06),
        inset 0 0 0 1px rgba(255,255,255,.30);
    background: linear-gradient(180deg,rgba(255,255,255,.92) 0%,rgba(241,245,249,.76) 100%);
}
.posts-grid .card:hover{
    transform: translateY(-5px);
    box-shadow:
        0 32px 82px rgba(2,6,23,.16),
        0 12px 30px rgba(59,130,246,.14),
        0 2px 14px rgba(2,6,23,.08);
    border-color: rgba(59,130,246,.55);
}
.posts-grid .card-img-top{
    transition: transform 520ms cubic-bezier(.2,.8,.2,1), filter 520ms cubic-bezier(.2,.8,.2,1);
    filter: saturate(1.02) brightness(1.01);
}
.posts-grid .card:hover .card-img-top{
    transform: scale(1.06);
    filter: saturate(1.10) brightness(1.03);
}
.posts-grid .card-title a{
    transition: color 200ms cubic-bezier(.2,.8,.2,1), text-shadow 200ms cubic-bezier(.2,.8,.2,1);
}
.posts-grid .card-title a:hover{
    color: rgba(59,130,246,.98) !important;
    text-shadow: 0 12px 26px rgba(59,130,246,.16);
}

/* ============================================
   13. Related Posts (RelatedPostsSection)
   ============================================ */
.related-posts h3{
    border-bottom: 3px solid rgba(59,130,246,.60);
    padding-bottom: var(--space-xs);
    display: inline-block;
    text-shadow: 0 10px 26px rgba(59,130,246,.10);
}
.related-card{
    transition: transform 320ms cubic-bezier(.2,.8,.2,1), box-shadow 320ms cubic-bezier(.2,.8,.2,1);
    border-radius: 22px;
}
.related-card:hover{
    transform: translateY(-5px);
    box-shadow:
        0 24px 62px rgba(2,6,23,.14),
        0 10px 26px rgba(59,130,246,.12),
        inset 0 0 0 1px rgba(59,130,246,.18);
}
.related-card img{
    transition: transform 520ms cubic-bezier(.2,.8,.2,1), filter 520ms cubic-bezier(.2,.8,.2,1);
    filter: saturate(1.02) brightness(1.01);
}
.related-card:hover img{
    transform: scale(1.06);
    filter: saturate(1.10) brightness(1.03);
}

/* ============================================
   14. Social Share (SocialShareSection)
   ============================================ */
.social-share .btn{
    min-width: 40px;
    transition: transform 220ms cubic-bezier(.2,.8,.2,1), box-shadow 220ms cubic-bezier(.2,.8,.2,1), background-color 220ms cubic-bezier(.2,.8,.2,1), border-color 220ms cubic-bezier(.2,.8,.2,1), color 220ms cubic-bezier(.2,.8,.2,1);
    border-radius: 14px;
    box-shadow: 0 12px 30px rgba(2,6,23,.06), inset 0 0 0 1px rgba(148,163,184,.18);
}
.social-share .btn:hover{
    transform: translateY(-2px);
    box-shadow: 0 20px 54px rgba(2,6,23,.14), 0 10px 24px rgba(59,130,246,.12);
}
.social-share [data-copy-url].copied{
    background-color: rgba(59,130,246,.98);
    color: #fff;
    border-color: rgba(59,130,246,.65);
    box-shadow: 0 26px 70px rgba(59,130,246,.24), 0 10px 26px rgba(2,6,23,.12);
}

/* ============================================
   15. Bootstrap Accordion override
   ============================================ */
.accordion-button:not(.collapsed){
    background-color: rgba(239,246,255,.92);
    color: rgba(30,41,59,.92);
    box-shadow: none;
    border-radius: 18px;
}
.accordion-button:focus{
    box-shadow: 0 0 0 0.2rem rgba(59,130,246,.16), 0 18px 46px rgba(59,130,246,.10);
    border-color: rgba(59,130,246,.35);
}

/* ============================================
   16. Modal (用于 SocialShare 微信二维码)
   ============================================ */
.modal-content{
    border: none;
    border-radius: 26px;
    box-shadow:
        0 40px 120px rgba(2,6,23,.26),
        0 16px 50px rgba(59,130,246,.14),
        0 2px 18px rgba(2,6,23,.10),
        inset 0 0 0 1px rgba(148,163,184,.16);
    background: linear-gradient(180deg,rgba(255,255,255,.98) 0%,rgba(241,245,249,.86) 100%);
}

/* ============================================
   17. Tooltip (Bootstrap)
   ============================================ */
.tooltip-inner{
    background-color: rgba(30,41,59,.96);
    border-radius: 14px;
    font-size: 0.85rem;
    box-shadow: 0 18px 50px rgba(2,6,23,.30);
    color: rgba(255,255,255,.96);
}

/* ============================================
   18. Responsive
   ============================================ */
@media (max-width: 767.98px){
    .faq-section h2{
        font-size: 1.4rem;
    }
    .faq-list .faq-item summary{
        font-size: 0.95rem;
        padding-inline-end: 1.5rem;
    }
    .faq-list .faq-answer{
        font-size: 0.88rem;
    }
    .author-profile h1{
        font-size: 1.5rem;
    }
    .author-profile .col-md-3 img{
        width: 120px !important;
        height: 120px !important;
        border-width: 4px;
    }
    .error-page h1{
        font-size: 5rem !important;
        text-shadow: 0 10px 34px rgba(59,130,246,.22);
    }
    .search-box-section .input-group-lg .form-control,
    .search-box-section .input-group-lg .btn{
        font-size: 1rem;
    }
}

@media (max-width: 575.98px){
    .related-posts .row > [class*="col-"]{
        margin-bottom: var(--space-sm);
    }
    .pagination .page-link{
        padding: 0.4rem 0.7rem;
        font-size: 0.9rem;
        border-radius: 12px;
    }
}