/* ============================================================
   MODULE.CSS v3.0 - 组件样式
   ============================================================
   匹配 Section 模板:
   - AuthorBoxSection / AuthorProfileSection / AuthorPostsListSection / MainAuthorsSection
   - FaqSection
   - SidebarWidgetsSection
   - PaginationSection
   - SearchBoxSection / SearchResultsSection
   - Error404Section
   - LegalArticleSection
   - PostListSection / RelatedPostsSection
   - SocialShareSection
   ============================================================ */

/* ============================================
   0. Visual identity tokens (card-mosaic / tight-rhythm)
   ============================================ */
:root{
    --color-bg:#f6f7fb;
    --color-bg-soft:#eef2ff;
    --color-bg-muted:#e9f0ff;
    --color-text:#0f172a;
    --color-text-light:#64748b;

    --color-primary:#2563eb;
    --color-primary-dark:#1d4ed8;
    --color-primary-darker:#0b3a8f;

    --color-accent:#7c3aed;
    --color-success:#16a34a;

    --color-border:#c7d2fe;
    --color-border-soft:#dbeafe;

    --radius-pill:999px;
    --radius-lg:10px;
    --radius-sm:6px;

    --space-xs:0.5rem;
    --space-sm:1rem;

    --shadow-xs:0 1px 0 rgba(15,23,42,0.06);
    --shadow-sm:
        0 1px 0 rgba(15,23,42,0.06),
        0 6px 18px rgba(37,99,235,0.12);
    --shadow-md:
        0 1px 0 rgba(15,23,42,0.08),
        0 10px 26px rgba(37,99,235,0.16);
    --shadow-lg:
        0 1px 0 rgba(15,23,42,0.10),
        0 14px 34px rgba(124,58,237,0.16);
    --shadow-xl:
        0 1px 0 rgba(15,23,42,0.12),
        0 18px 42px rgba(37,99,235,0.18),
        0 2px 0 rgba(124,58,237,0.10);

    --transition-fast:160ms;
    --transition-base:210ms;
    --transition-slow:320ms;
}

/* ============================================
   1. Author Profile (AuthorProfileSection)
   ============================================ */
.author-profile {
    background: linear-gradient(135deg, #ffffff 0%, #eef2ff 40%, rgba(124,58,237,0.08) 100%);
}

.author-profile h1 {
    color: #0b3a8f;
    text-shadow: 0 1px 0 rgba(255,255,255,0.75), 0 10px 26px rgba(37,99,235,0.12);
}

.author-profile img.rounded-circle {
    border: 3px solid #ffffff;
    border-radius: 6px;
    box-shadow:
        0 1px 0 rgba(15,23,42,0.08),
        0 10px 28px rgba(37,99,235,0.18);
}

.author-profile .badge.bg-light {
    background: #eaf2ff !important;
    color: #0f172a !important;
    border: 1px solid rgba(99,102,241,0.18) !important;
    transition: background-color var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), color var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), transform var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), box-shadow var(--transition-base) cubic-bezier(0.2,0.8,0.2,1);
    box-shadow: 0 1px 0 rgba(15,23,42,0.06);
}

.author-profile .badge.bg-light:hover {
    background: #2563eb !important;
    color: #ffffff !important;
    border-color: rgba(37,99,235,0.6) !important;
    box-shadow: 0 10px 24px rgba(37,99,235,0.22);
    transform: translateY(-1px);
}

/* ============================================
   2. Author Box (AuthorBoxSection)
   ============================================ */
.author-box {
    border-inline-start: 4px solid #7c3aed;
    transition: box-shadow var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), transform var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), border-inline-start-color var(--transition-base) cubic-bezier(0.2,0.8,0.2,1);
    border-radius: 6px;
}

.author-box:hover {
    box-shadow:
        0 1px 0 rgba(15,23,42,0.08),
        0 16px 36px rgba(124,58,237,0.16),
        0 2px 0 rgba(37,99,235,0.08);
    transform: translateY(-2px);
}

.author-box img {
    transition: transform var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), filter var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1);
    border-radius: 6px;
}

.author-box:hover img {
    transform: scale(1.045);
    filter: saturate(1.05);
}

/* ============================================
   3. Author Posts List (AuthorPostsListSection)
   ============================================ */
.author-posts-list .card {
    transition: transform var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), box-shadow var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), border-color var(--transition-base) cubic-bezier(0.2,0.8,0.2,1);
    overflow: hidden;
    border-radius: 6px;
    box-shadow:
        0 1px 0 rgba(15,23,42,0.06),
        0 10px 22px rgba(37,99,235,0.08);
    border: 1px solid rgba(219,234,254,0.7);
    background: #ffffff;
}

.author-posts-list .card:hover {
    transform: translateY(-4px);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.10),
        0 18px 44px rgba(37,99,235,0.18),
        0 2px 0 rgba(124,58,237,0.10);
    border-color: rgba(37,99,235,0.55);
}

.author-posts-list .card-img-top {
    transition: transform var(--transition-slow) cubic-bezier(0.2,0.8,0.2,1), filter var(--transition-slow) cubic-bezier(0.2,0.8,0.2,1);
}

.author-posts-list .card:hover .card-img-top {
    transform: scale(1.045);
    filter: saturate(1.08) contrast(1.02);
}

.author-posts-list .card-title a{
    text-shadow: none;
}

/* ============================================
   4. Main Authors (MainAuthorsSection)
   ============================================ */
.main-authors-section {
    background: linear-gradient(180deg, #f3f6ff 0%, #f6f7fb 100%);
}

.author-card {
    transition: transform var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), box-shadow var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), border-color var(--transition-base) cubic-bezier(0.2,0.8,0.2,1);
    border: 1px solid rgba(199,210,254,0.85);
    border-radius: 6px;
    background: rgba(255,255,255,0.9);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.06),
        0 10px 24px rgba(37,99,235,0.08);
}

.author-card:hover {
    transform: translateY(-6px);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.10),
        0 22px 52px rgba(37,99,235,0.18),
        0 2px 0 rgba(124,58,237,0.10);
    border-color: rgba(124,58,237,0.55);
}

.author-card img.rounded-circle {
    border: 3px solid #eef2ff;
    border-radius: 6px;
    transition: border-color var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), box-shadow var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), filter var(--transition-base) cubic-bezier(0.2,0.8,0.2,1);
}

.author-card:hover img.rounded-circle {
    border-color: #2563eb;
    box-shadow:
        0 1px 0 rgba(15,23,42,0.08),
        0 16px 30px rgba(37,99,235,0.22);
    filter: saturate(1.06);
}

/* ============================================
   5. FAQ (FaqSection) - <details>/<summary>
   ============================================ */
.faq-section {
    background: linear-gradient(180deg, #eef2ff 0%, #ffffff 70%, rgba(124,58,237,0.06) 100%);
}

.faq-section h2 {
    font-size: 1.75rem;
    color: #0b3a8f;
    text-shadow: 0 1px 0 rgba(255,255,255,0.9);
}

/* FAQ item */
.faq-list .faq-item {
    border: 1px solid rgba(2,6,23,0.08);
    transition: box-shadow var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), transform var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), border-color var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), background var(--transition-base) cubic-bezier(0.2,0.8,0.2,1);
    cursor: pointer;
    border-radius: 6px;
    background: rgba(255,255,255,0.78);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.05),
        0 8px 18px rgba(37,99,235,0.06);
}

.faq-list .faq-item:hover {
    box-shadow:
        0 1px 0 rgba(15,23,42,0.08),
        0 16px 40px rgba(37,99,235,0.14) !important;
    transform: translateY(-2px);
    border-color: rgba(37,99,235,0.45);
}

.faq-list .faq-item[open] {
    border-color: rgba(37,99,235,0.35);
    background: linear-gradient(90deg, rgba(37,99,235,0.10) 0%, #ffffff 55%, rgba(124,58,237,0.10) 100%);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.08),
        0 20px 46px rgba(37,99,235,0.16);
}

/* 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: #2563eb;
    transition: transform var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), color var(--transition-base) cubic-bezier(0.2,0.8,0.2,1);
    line-height: 1;
    text-shadow: 0 10px 24px rgba(37,99,235,0.16);
}

.faq-list .faq-item[open] summary::after {
    content: '−';
    transform: translateY(-50%) rotate(180deg);
    color: #7c3aed;
}

/* Q number */
.faq-list .faq-q-num {
    font-weight: 700;
    font-size: 0.95rem;
    color: #2563eb;
    text-shadow: 0 1px 0 rgba(255,255,255,0.65);
}

/* Answer */
.faq-list .faq-answer {
    font-size: 0.95rem;
    line-height: 1.8;
    animation: faqFadeIn var(--transition-base) cubic-bezier(0.2,0.8,0.2,1);
}

@keyframes faqFadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
        filter: saturate(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: saturate(1);
    }
}

/* ============================================
   6. Sidebar Widgets (SidebarWidgetsSection)
   ============================================ */
.sidebar-widgets .card {
    transition: box-shadow var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), transform var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), border-color var(--transition-base) cubic-bezier(0.2,0.8,0.2,1);
    border-radius: 6px;
    border: 1px solid rgba(219,234,254,0.75);
    background: rgba(255,255,255,0.9);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.05),
        0 10px 22px rgba(37,99,235,0.06);
}

.sidebar-widgets .card:hover {
    box-shadow:
        0 1px 0 rgba(15,23,42,0.08),
        0 18px 46px rgba(124,58,237,0.14);
    transform: translateY(-3px);
    border-color: rgba(124,58,237,0.35);
}

.sidebar-widgets h5 {
    color: #0b3a8f;
    text-shadow: 0 1px 0 rgba(255,255,255,0.85);
}

.sidebar-widgets .badge {
    transition: background-color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), border-color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), transform var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), box-shadow var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1);
    cursor: pointer;
    border-radius: 6px;
}

.sidebar-widgets .badge:hover {
    background-color: #2563eb !important;
    color: #ffffff !important;
    border-color: rgba(37,99,235,0.6) !important;
    transform: translateY(-1px);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.08),
        0 14px 30px rgba(37,99,235,0.22);
}

.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: #2563eb !important;
}

/* ============================================
   7. Pagination (PaginationSection)
   ============================================ */
.pagination .page-link {
    color: #2563eb;
    border-color: rgba(199,210,254,0.95);
    transition: background-color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), border-color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), box-shadow var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), transform var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1);
    border-radius: 6px;
    box-shadow: 0 1px 0 rgba(15,23,42,0.05);
}

.pagination .page-link:hover {
    background-color: #e9f0ff;
    color: #0b3a8f;
    border-color: rgba(37,99,235,0.6);
    box-shadow: 0 12px 26px rgba(37,99,235,0.18);
    transform: translateY(-1px);
}

.pagination .page-item.active .page-link {
    background-color: #2563eb;
    border-color: #2563eb;
    color: #fff;
    box-shadow:
        0 1px 0 rgba(15,23,42,0.10),
        0 18px 44px rgba(37,99,235,0.24);
}

.pagination .page-item.disabled .page-link {
    color: #94a3b8;
    border-color: rgba(203,213,225,0.7);
    background: rgba(255,255,255,0.6);
    box-shadow: none;
}

/* ============================================
   8. Search Box (SearchBoxSection)
   ============================================ */
.search-box-section {
    background: linear-gradient(180deg, #eef2ff 0%, #f6f7fb 100%);
}

.search-box-section .input-group-lg .form-control {
    border-radius: var(--radius-pill) 0 0 var(--radius-pill);
    padding-inline-start: 1.5rem;
    border-color: rgba(199,210,254,0.95);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.05),
        0 10px 26px rgba(37,99,235,0.08);
    caret-color: #2563eb;
    transition: box-shadow var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), border-color var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), background-color var(--transition-base) cubic-bezier(0.2,0.8,0.2,1);
}

.search-box-section .input-group-lg .btn {
    border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
    transition: background-color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), box-shadow var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), transform var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1);
    border-color: rgba(37,99,235,0.35);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.05),
        0 12px 28px rgba(124,58,237,0.12);
}

.search-box-section .badge {
    transition: background-color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), border-color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), transform var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), box-shadow var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1);
    border-radius: 6px;
}

.search-box-section .badge:hover {
    background-color: #2563eb !important;
    color: #fff !important;
    border-color: rgba(37,99,235,0.65) !important;
    box-shadow:
        0 1px 0 rgba(15,23,42,0.08),
        0 18px 40px rgba(37,99,235,0.22);
    transform: translateY(-1px);
}

/* ============================================
   9. Search Results (SearchResult
sSection)
   ============================================ */
.search-results-section {
    background: #f6f7fb;
}

.search-result {
    transition: transform var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), box-shadow var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), border-color var(--transition-base) cubic-bezier(0.2,0.8,0.2,1);
    border-radius: 6px;
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(219,234,254,0.85);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.05),
        0 10px 22px rgba(37,99,235,0.06);
}

.search-result:hover {
    transform: translateX(3px);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.08),
        0 20px 46px rgba(124,58,237,0.14);
    border-color: rgba(124,58,237,0.35);
}

.search-result h2 a:hover {
    color: #2563eb !important;
}

.search-result mark {
    background-color: rgba(253,224,71,0.35);
    padding-inline: 2px;
    border-radius: 2px;
    font-weight: 650;
    color: inherit;
    box-shadow: inset 0 0 0 1px rgba(251,191,36,0.25);
}

/* ============================================
   10. Error Page (Error404Section)
   ============================================ */
.error-page h1 {
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 55%, #1d4ed8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    line-height: 1;
    text-shadow:
        0 10px 34px rgba(37,99,235,0.22),
        0 2px 0 rgba(124,58,237,0.18);
}

.recommended-links .badge {
    transition: background-color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), border-color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), transform var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), box-shadow var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1);
    border: 1px solid rgba(199,210,254,0.95);
    border-radius: 6px;
    box-shadow: 0 1px 0 rgba(15,23,42,0.05);
}

.recommended-links .badge:hover {
    background-color: #2563eb !important;
    color: #fff !important;
    border-color: rgba(37,99,235,0.65) !important;
    transform: translateY(-2px);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.10),
        0 18px 40px rgba(37,99,235,0.22);
}

.recommended-links .badge:hover .text-warning {
    color: #7c3aed !important;
}

/* ============================================
   11. Legal Article (LegalArticleSection)
   ============================================ */
.legal-article-section,
main:has(> .container > article.bg-white) {
    background: linear-gradient(180deg, #eef2ff 0%, #f6f7fb 100%);
}

article :is(h2.h4) {
    color: #0b3a8f;
    border-bottom: 2px solid rgba(124,58,237,0.35);
    padding-bottom: var(--space-xs);
    margin-bottom: var(--space-sm);
}

article .alert-info {
    background-color: rgba(37,99,235,0.10);
    border-color: rgba(37,99,235,0.25);
    color: #0b3a8f;
    border-radius: 6px;
}

article .list-group-item {
    background: transparent;
    transition: background-color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), padding-inline-start var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), box-shadow var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1);
    border-radius: 6px;
}

article .list-group-item:hover {
    background: rgba(238,242,255,0.75);
    padding-inline-start: var(--space-sm);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.05),
        0 14px 30px rgba(37,99,235,0.10);
}

/* ============================================
   12. Post List (PostListSection - Category page)
   ============================================ */
.posts-grid {
    /* Container nếu cần */
}

.posts-grid .card {
    transition: transform var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), box-shadow var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), border-color var(--transition-base) cubic-bezier(0.2,0.8,0.2,1);
    border: 1px solid rgba(219,234,254,0.9);
    overflow: hidden;
    border-radius: 6px;
    box-shadow:
        0 1px 0 rgba(15,23,42,0.05),
        0 10px 24px rgba(37,99,235,0.06);
    background: rgba(255,255,255,0.92);
}

.posts-grid .card:hover {
    transform: translateY(-4px);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.10),
        0 20px 46px rgba(37,99,235,0.16),
        0 2px 0 rgba(124,58,237,0.10);
    border-color: rgba(37,99,235,0.55);
}

.posts-grid .card-img-top {
    transition: transform var(--transition-slow) cubic-bezier(0.2,0.8,0.2,1), filter var(--transition-slow) cubic-bezier(0.2,0.8,0.2,1);
}

.posts-grid .card:hover .card-img-top {
    transform: scale(1.05);
    filter: saturate(1.08) contrast(1.02);
}

.posts-grid .card-title a {
    transition: color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), text-shadow var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1);
}

.posts-grid .card-title a:hover {
    color: #2563eb !important;
    text-shadow: 0 12px 30px rgba(37,99,235,0.18);
}

/* ============================================
   13. Related Posts (RelatedPostsSection)
   ============================================ */
.related-posts h3 {
    border-bottom: 3px solid rgba(124,58,237,0.5);
    padding-bottom: var(--space-xs);
    display: inline-block;
    text-shadow: 0 1px 0 rgba(255,255,255,0.8);
}

.related-card {
    transition: transform var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), box-shadow var(--transition-base) cubic-bezier(0.2,0.8,0.2,1), border-color var(--transition-base) cubic-bezier(0.2,0.8,0.2,1);
    border-radius: 6px;
    border: 1px solid rgba(219,234,254,0.85);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.05),
        0 10px 22px rgba(124,58,237,0.06);
    background: rgba(255,255,255,0.92);
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.10),
        0 18px 44px rgba(124,58,237,0.16);
    border-color: rgba(124,58,237,0.35);
}

.related-card img {
    transition: transform var(--transition-slow) cubic-bezier(0.2,0.8,0.2,1), filter var(--transition-slow) cubic-bezier(0.2,0.8,0.2,1);
}

.related-card:hover img {
    transform: scale(1.05);
    filter: saturate(1.08) contrast(1.02);
}

/* ============================================
   14. Social Share (SocialShareSection)
   ============================================ */
.social-share .btn {
    min-width: 40px;
    transition: transform var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), box-shadow var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), background-color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), border-color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1), color var(--transition-fast) cubic-bezier(0.2,0.8,0.2,1);
    border-radius: 6px;
    box-shadow: 0 1px 0 rgba(15,23,42,0.05);
}

.social-share .btn:hover {
    transform: translateY(-2px);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.10),
        0 14px 30px rgba(37,99,235,0.14);
}

.social-share [data-copy-url].copied {
    background-color: #16a34a;
    color: #fff;
    border-color: rgba(22,163,74,0.75);
    box-shadow:
        0 1px 0 rgba(15,23,42,0.10),
        0 18px 40px rgba(22,163,74,0.18);
    opacity: 0.98;
}

/* ============================================
   15. Bootstrap Accordion override
   ============================================ */
.accordion-button:not(.collapsed) {
    background-color: rgba(37,99,235,0.10);
    color: #0b3a8f;
    box-shadow: none;
    border-radius: 6px;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.2rem rgba(124,58,237,0.18);
}

/* ============================================
   16. Modal (用于 SocialShare 微信二维码)
   ============================================ */
.modal-content {
    border: none;
    border-radius: 10px;
    box-shadow:
        0 1px 0 rgba(15,23,42,0.08),
        0 28px 70px rgba(37,99,235,0.22),
        0 2px 0 rgba(124,58,237,0.12);
}

/* ============================================
   17. Tooltip (Bootstrap)
   ============================================ */
.tooltip-inner {
    background-color: #0b3a8f;
    border-radius: 6px;
    font-size: 0.85rem;
    box-shadow:
        0 1px 0 rgba(255,255,255,0.10),
        0 18px 40px rgba(0,0,0,0.22);
    border: 1px solid rgba(255,255,255,0.10);
}

/* ============================================
   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-radius: 6px;
    }

    .error-page h1 {
        font-size: 5rem !important;
        text-shadow:
            0 10px 34px rgba(37,99,235,0.24),
            0 2px 0 rgba(124,58,237,0.18);
    }

    .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: 6px;
    }
}