/* ============================================================
   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
   ============================================================ */

/* Visual identity tokens */
:root{
    --color-stage: #0b0b14;
    --color-stage-2: #12122a;
    --color-spot: #ffffff;

    --color-accent: #a855f7; /* deep purple */
    --color-accent-2: #f59e0b; /* premium gold */

    --color-primary: #8b5cf6;
    --color-primary-dark: #6d28d9;
    --color-primary-darker: #4c1d95;

    --color-bg: #0f0f1a;
    --color-bg-soft: #16162f;
    --color-bg-muted: rgba(255,255,255,.08);
    --color-text: rgba(255,255,255,.88);
    --color-text-light: rgba(255,255,255,.62);

    --color-border: rgba(168,85,247,.35);
    --color-border-soft: rgba(255,255,255,.12);

    --color-success: #10b981;

    --shadow-sm:
        0 1px 0 rgba(255,255,255,.04),
        0 10px 24px rgba(0,0,0,.35);

    --shadow-md:
        0 1px 0 rgba(255,255,255,.05),
        0 10px 30px rgba(0,0,0,.45),
        0 0 0 1px rgba(168,85,247,.18);

    --shadow-lg:
        0 1px 0 rgba(255,255,255,.06),
        0 18px 50px rgba(0,0,0,.55),
        0 0 0 1px rgba(168,85,247,.22),
        0 0 42px rgba(168,85,247,.12);

    --shadow-xl:
        0 1px 0 rgba(255,255,255,.07),
        0 28px 78px rgba(0,0,0,.62),
        0 0 0 1px rgba(168,85,247,.26),
        0 0 56px rgba(168,85,247,.18);

    --transition-fast: 0.45s cubic-bezier(.2,.8,.2,1);
    --transition-base: 0.55s cubic-bezier(.16,.84,.18,1);
    --transition-slow: 0.75s cubic-bezier(.16,.84,.18,1);

    --radius-sm: 10px;
    --radius-lg: 18px;
    --radius-pill: 999px;
    --space-xs: .75rem;
    --space-sm: 1rem;
}

/* ============================================
   1. Author Profile (AuthorProfileSection)
   ============================================ */
.author-profile {
    background:
        radial-gradient(900px 380px at 50% 0%, rgba(168,85,247,.22) 0%, rgba(168,85,247,0) 55%),
        linear-gradient(135deg, #ffffff 0%, var(--color-bg-soft) 100%);
}

.author-profile h1 {
    color: var(--color-primary-darker);
    text-shadow:
        0 1px 0 rgba(255,255,255,.55),
        0 10px 30px rgba(76,29,149,.18);
}

.author-profile img.rounded-circle {
    border: 4px solid rgba(255,255,255,.92);
    box-shadow:
        0 1px 0 rgba(255,255,255,.25),
        0 16px 40px rgba(0,0,0,.45),
        0 0 0 1px rgba(168,85,247,.18),
        0 0 50px rgba(168,85,247,.12);
    border-radius: 999px;
}

.author-profile .badge.bg-light {
    background:
        linear-gradient(180deg, rgba(255,255,255,.78) 0%, rgba(255,255,255,.25) 100%) !important;
    color: rgba(15,15,26,.86) !important;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast) !important;
    box-shadow:
        0 1px 0 rgba(255,255,255,.45),
        0 14px 40px rgba(0,0,0,.25);
    border-radius: 999px;
    border: 1px solid rgba(168,85,247,.18) !important;
}

.author-profile .badge.bg-light:hover {
    background:
        linear-gradient(135deg, rgba(139,92,246,.98) 0%, rgba(109,40,217,.98) 55%, rgba(245,158,11,.95) 120%) !important;
    color: #fff !important;
    transform: translateY(-1px);
    box-shadow:
        0 1px 0 rgba(255,255,255,.28),
        0 18px 52px rgba(0,0,0,.38),
        0 0 0 1px rgba(245,158,11,.25),
        0 0 48px rgba(139,92,246,.28) !important;
    border-color: rgba(245,158,11,.25) !important;
}

/* ============================================
   2. Author Box (AuthorBoxSection)
   ============================================ */
.author-box {
    border-inline-start: 4px solid rgba(168,85,247,.95);
    background:
        linear-gradient(180deg, rgba(255,255,255,.06) 0%, rgba(255,255,255,0) 100%);
    transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border-radius: 18px;
}

.author-box:hover {
    box-shadow:
        0 1px 0 rgba(255,255,255,.05),
        0 22px 70px rgba(0,0,0,.58),
        0 0 0 1px rgba(168,85,247,.26),
        0 0 60px rgba(168,85,247,.18);
    transform: translateY(-1px);
    border-inline-start-color: rgba(245,158,11,.95);
}

.author-box img {
    transition: transform var(--transition-fast), filter var(--transition-fast), box-shadow var(--transition-fast);
    border-radius: 14px;
}

.author-box:hover img {
    transform: scale(1.05);
    filter: saturate(1.05) contrast(1.02);
    box-shadow:
        0 0 0 1px rgba(168,85,247,.22),
        0 18px 55px rgba(0,0,0,.45);
}

/* ============================================
   3. Author Posts List (AuthorPostsListSection)
   ============================================ */
.author-posts-list .card {
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    overflow: hidden;
    border-radius: 18px;
    background:
        radial-gradient(450px 180px at 20% -10%, rgba(168,85,247,.18) 0%, rgba(168,85,247,0) 60%),
        linear-gradient(180deg, rgba(255,255,255,.06) 0%, rgba(255,255,255,.02) 100%);
    border: 1px solid rgba(255,255,255,.10);
}

.author-posts-list .card:hover {
    transform: translateY(-5px);
    box-shadow:
        0 1px 0 rgba(255,255,255,.05),
        0 30px 90px rgba(0,0,0,.62),
        0 0 0 1px rgba(168,85,247,.28),
        0 0 70px rgba(168,85,247,.20);
    border-color: rgba(245,158,11,.25);
}

.author-posts-list .card-img-top {
    transition: transform var(--transition-slow), filter var(--transition-slow);
    filter: saturate(1) contrast(1);
    transform-origin: center;
}

.author-posts-list .card:hover .card-img-top {
    transform: scale(1.05);
    filter: saturate(1.08) contrast(1.03);
}

/* ============================================
   4. Main Authors (MainAuthorsSection)
   ============================================ */
.main-authors-section {
    background:
        radial-gradient(1000px 500px at 50% 0%, rgba(168,85,247,.18) 0%, rgba(168,85,247,0) 55%),
        linear-gradient(180deg, rgba(255,255,255,.02) 0%, var(--color-bg) 100%);
}

.author-card {
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 18px;
    background:
        linear-gradient(180deg, rgba(255,255,255,.06) 0%, rgba(255,255,255,.02) 100%);
}

.author-card:hover {
    transform: translateY(-8px);
    box-shadow:
        0 1px 0 rgba(255,255,255,.06),
        0 35px 110px rgba(0,0,0,.68),
        0 0 0 1px rgba(168,85,247,.30),
        0 0 80px rgba(168,85,247,.22);
    border-color: rgba(168,85,247,.45);
}

.author-card img.rounded-circle {
    border: 3px solid rgba(255,255,255,.85);
    transition: border-color var(--transition-base), box-shadow var(--transition-base), filter var(--transition-base);
    border-radius: 999px;
    box-shadow:
        0 10px 30px rgba(0,0,0,.45),
        0 0 0 1px rgba(168,85,247,.12);
}

.author-card:hover img.rounded-circle {
    border-color: rgba(245,158,11,.95);
    box-shadow:
        0 18px 55px rgba(0,0,0,.55),
        0 0 0 1px rgba(245,158,11,.20),
        0 0 50px rgba(245,158,11,.15);
    filter: saturate(1.08);
}

/* ============================================
   5. FAQ (FaqSection) - <details>/<summary>
   ============================================ */
.faq-section {
    background:
        radial-gradient(800px 320px at 50% 0%, rgba(245,158,11,.16) 0%, rgba(245,158,11,0) 55%),
        linear-gradient(180deg, rgba(255,255,255,.04) 0%, rgba(255,255,255,.92) 100%);
    border-radius: 22px;
}

.faq-section h2 {
    font-size: 1.75rem;
    color: var(--color-primary-darker);
    text-shadow: 0 10px 30px rgba(109,40,217,.18);
}

/* FAQ item */
.faq-list .faq-item {
    border: 1px solid rgba(17,17,30,.10);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    cursor: pointer;
    border-radius: 16px;
    background:
        linear-gradient(180deg, rgba(255,255,255,.78) 0%, rgba(255,255,255,.58) 100%);
    box-shadow:
        0 1px 0 rgba(255,255,255,.55),
        0 10px 26px rgba(0,0,0,.08);
}

.faq-list .faq-item:hover {
    box-shadow:
        0 1px 0 rgba(255,255,255,.55),
        0 18px 60px rgba(0,0,0,.14),
        0 0 0 1px rgba(139,92,246,.22) !important;
    transform: translateY(-2px);
    border-color: rgba(139,92,246,.35);
}

.faq-list .faq-item[open] {
    border-color: rgba(139,92,246,.35);
    background:
        radial-gradient(600px 200px at 15% 0%, rgba(139,92,246,.20) 0%, rgba(139,92,246,0) 55%),
        linear-gradient(90deg, rgba(239,247,255,.95) 0%, rgba(255,255,255,.98) 100%);
    box-shadow:
        0 1px 0 rgba(255,255,255,.65),
        0 26px 80px rgba(0,0,0,.18),
        0 0 0 1px rgba(139,92,246,.22),
        0 0 60px rgba(168,85,247,.14);
}

/* 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;
    color: rgba(18,18,38,.92);
}

.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(139,92,246,.95);
    transition: transform var(--transition-base), color var(--transition-base), text-shadow var(--transition-base);
    line-height: 1;
    text-shadow: 0 10px 22px rgba(139,92,246,.18);
}

.faq-list .faq-item[open] summary::after {
    content: '−';
    transform: translateY(-50%) rotate(180deg);
    color: rgba(245,158,11,.95);
    text-shadow: 0 10px 22px rgba(245,158,11,.20);
}

/* Q number */
.faq-list .faq-q-num {
    font-weight: 700;
    font-size: 0.95rem;
    color: rgba(139,92,246,.98);
    text-shadow: 0 10px 20px rgba(109,40,217,.14);
}

/* Answer */
.faq-list .faq-answer {
    font-size: 0.95rem;
    line-height: 1.8;
    animation: faqFadeIn var(--transition-base);
    color: rgba(35,35,66,.88);
    text-shadow: 0 1px 0 rgba(255,255,255,.55);
}

@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 var(--transition-base), transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,.10);
    background:
        radial-gradient(520px 190px at 20% 0%, rgba(168,85,247,.18) 0%, rgba(168,85,247,0) 55%),
        linear-gradient(180deg, rgba(255,255,255,.06) 0%, rgba(255,255,255,.02) 100%);
}

.sidebar-widgets .card:hover {
    box-shadow:
        0 1px 0 rgba(255,255,255,.05),
        0 22px 70px rgba(0,0,0,.55),
        0 0 0 1px rgba(168,85,247,.26),
        0 0 65px rgba(168,85,247,.16);
    transform: translateY(-1px);
}

.sidebar-widgets h5 {
    color: rgba(255,255,255,.92);
    text-shadow: 0 10px 30px rgba(0,0,0,.45);
}

.sidebar-widgets .badge {
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    cursor: pointer;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(255,255,255,.06);
    color: rgba(255,255,255,.82);
}

.sidebar-widgets .badge:hover {
    background:
        linear-gradient(135deg, rgba(139,92,246,.98) 0%, rgba(109,40,217,.98) 55%, rgba(245,158,11,.95) 120%) !important;
    color: #fff !important;
    transform: translateY(-1px);
    box-shadow:
        0 1px 0 rgba(255,255,255,.22),
        0 18px 52px rgba(0,0,0,.38),
        0 0 0 1px rgba(245,158,11,.25),
        0 0 48px rgba(139,92,246,.28) !important;
    border-color: rgba(245,158,11,.25) !important;
}

.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(245,158,11,.98) !important;
    text-shadow: 0 10px 22px rgba(245,158,11,.18);
}

/* ============================================
   7. Pagination (PaginationSection)
   ============================================ */
.pagination .page-link {
    color: rgba(139,92,246,.98);
    border-color: rgba(139,92,246,.35);
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    border-radius: 12px;
    background: rgba(255,255,255,.02);
    box-shadow: 0 1px 0 rgba(255,255,255,.04);
}

.pagination .page-link:hover {
    background:
        linear-gradient(180deg, rgba(255,255,255,.08) 0%, rgba(255,255,255,.04) 100%);
    color: rgba(109,40,217,.98);
    border-color: rgba(245,158,11,.35);
    box-shadow:
        0 1px 0 rgba(255,255,255,.04),
        0 16px 44px rgba(0,0,0,.35),
        0 0 0 1px rgba(245,158,11,.18);
    transform: translateY(-1px);
}

.pagination .page-item.active .page-link {
    background:
        radial-gradient(600px 240px at 50% 0%, rgba(245,158,11,.28) 0%, rgba(245,158,11,0) 55%),
        linear-gradient(135deg, rgba(139,92,246,.98) 0%, rgba(109,40,217,.98) 55%, rgba(245,158,11,.95) 120%);
    border-color: rgba(245,158,11,.35);
    color: #fff;
    box-shadow:
        0 1px 0 rgba(255,255,255,.22),
        0 26px 80px rgba(0,0,0,.50),
        0 0 0 1px rgba(245,158,11,.22),
        0 0 70px rgba(139,92,246,.22);
}

.pagination .page-item.disabled .page-link {
    color: rgba(255,255,255,.52);
    border-color: rgba(255,255,255,.14);
    background: rgba(255,255,255,.03);
    box-shadow: none;
    opacity: .8;
}

/* ============================================
   8. Search Box (SearchBoxSection)
   ============================================ */
.search-box-section {
    background:
        radial-gradient(900px 420px at 50% 0%, rgba(168,85,247,.20) 0%, rgba(168,85,247,0) 55%),
        linear-gradient(180deg, rgba(255,255,255,.03) 0%, rgba(15,15,26,.98) 100%);
}

.search-box-section .input-group-lg .form-control {
    border-radius: var(--radius-pill) 0 0 var(--radius-pill);
    padding-inline-start: 1.5rem;
    background:
        linear-gradient(180deg, rgba(255,255,255,.10) 0%, rgba(255,255,255,.04) 100%);
    border: 1px solid rgba(168,85,247,.28);
    color: rgba(255,255,255,.92);
    box-shadow:
        0 1px 0 rgba(255,255,255,.05),
        0 18px 60px rgba(0,0,0,.35);
}

.search-box-section .input-group-lg .form-control::placeholder{
    color: rgba(255,255,255,.55);
    opacity: 1;
}

.search-box-section .input-group-lg .btn {
    border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
    background:
        linear-gradient(135deg, rgba(139,92,246,.98) 0%, rgba(109,40,217,.98) 55%, rgba(245,158,11,.95) 120%);
    border: 1px solid rgba(245,158,11,.30);
    color: #fff;
    box-shadow:
        0 1px 0 rgba(255,255,255,.22),
        0 22px 70px rgba(0,0,0,.45),
        0 0 0 1px rgba(168,85,247,.20),
        0 0 60px rgba(168,85,247,.18);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast), border-color var(--transition-fast);
}

.search-box-section .badge {
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.14);
}

.search-box-section .badge:hover {
    background-color: rgba(139,92,246,.98) !important;
    color: #fff !important;
    border-color: rgba(139,92,246,.55) !important;
    transform: translateY(-1px);
    box-shadow:
        0 1px 0 rgba(255,255,255,.20),
        0 18px 52px rgba(0,0,0,.38),
        0 0 0 1px rgba(139,92,246,.22),
        0 0 48px rgba(139,92,246,.22);
}

/* ============================================
   9. Search Results (SearchResultsSection)
   ============================================ */
.search-results-section {
    background:
        radial-gradient(1000px 520px at 50% 0%, rgba(168,85,247,.16) 0%, rgba(168,85,247,0) 55%),
        linear-gradient(180deg, rgba(15,15,26,.98) 0%, rgba(22,22,47,.98) 100%);
}

.search-result {
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,.10);
    background:
        linear-gradient(180deg, rgba(255,255,255,.06) 0%, rgba(255,255,255,.02) 100%);
}

.search-result:hover {
    transform: translateX(3px);
    box-shadow:
        0 1px 0 rgba(255,255,255,.05),
        0 22px 70px rgba(0,0,0,.55),
        0 0 0 1px rgba(168,85,247,.24),
        0 0 70px rgba(168,85,247,.16);
    border-color: rgba(168,85,247,.35);
}

.search-result h2 a:hover {
    color: rgba(245,158,11,.98) !important;
    text-shadow: 0 10px 22px rgba(245,158,11,.18);
}

.search-result mark {
    background-color: rgba(245,158,11,.22);
    padding-inline: 2px;
    border-radius: 8px;
    font-weight: 700;
    color: inherit;
    box-shadow:
        0 0 0 1px rgba(245,158,11,.20),
        0 12px 30px rgba(245,158,11,.10);
}

/* ============================================
   10. Error Page (Error404Section)
   ============================================ */
.error-page h1 {
    background: linear-gradient(135deg, rgba(139,92,246,.98), rgba(109,40,217,.98), rgba(245,158,11,.95));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    line-height: 1;
    text-shadow:
        0 4px 30px rgba(59, 130, 246, 0.12),
        0 18px 60px rgba(109,40,217,.25),
        0 0 55px rgba(245,158,11,.18);
}

.recommended-links .badge {
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    border: 1px solid rgba(255,255,255,.14);
    background:
        linear-gradient(180deg, rgba(255,255,255,.08) 0%, rgba(255,255,255,.03) 100%);
    border-radius: 999px;
    color: rgba(255,255,255,.84);
}

.recommended-links .badge:hover {
    background-color: rgba(139,92,246,.98) !important;
    color: #fff !important;
    border-color: rgba(139,92,246,.55) !important;
    transform: translateY(-2px);
    box-shadow:
        0 1px 0 rgba(255,255,255,.22),
        0 24px 78px rgba(0,0,0,.48),
        0 0 0 1px rgba(139,92,246,.22),
        0 0 65px rgba(139,92,246,.22);
}

.recommended-links .badge:hover .text-warning {
    color: rgba(245,158,11,.98) !important;
    text-shadow: 0 12px 30px rgba(245,158,11,.18);
}

/* ============================================
   11. Legal Article (LegalArticleSection)
   ============================================ */
.legal-article-section,
main:has(> .container > article.bg-white) {
    background:
        radial-gradient(900px 420px at 50% 0%, rgba(168,85,247,.14) 0%, rgba(168,85,247,0) 55%),
        linear-gradient(180deg, rgba(255,255,255,.03) 0%, rgba(15,15,26,.98) 100%);
    border-radius: 22px;
}

article :is(h2.h4) {
    color: rgba(255,255,255,.92);
    border-bottom: 2px solid rgba(245,158,11,.35);
    padding-bottom: var(--space-xs);
    margin-bottom: var(--space-sm);
    text-shadow: 0 10px 30px rgba(0,0,0,.45);
}

article .alert-info {
    background-color: rgba(239, 246, 255, .72);
    border-color: rgba(191, 219, 254, .75);
    color: rgba(76, 29, 149, .95);
    box-shadow:
        0 1px 0 rgba(255,255,255,.55),
        0 18px 55px rgba(0,0,0,.14);
    border-radius: 16px;
}

article .list-group-item {
    background: rgba(255,255,255,.02);
    transition: all var(--transition-fast);
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,.10);
}

article .list-group-item:hover {
    background:
        radial-gradient(480px 180px at 20% 0%, rgba(168,85,247,.18) 0%, rgba(168,85,247,0) 55%),
        rgba(255,255,255,.04);
    padding-inline-start: var(--space-sm);
    border-color: rgba(168,85,247,.28);
    box-shadow:
        0 1px 0 rgba(255,255,255,.05),
        0 20px 60px rgba(0,0,0,.30),
        0 0 0 1px rgba(168,85,247,.18);
}

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

.posts-grid .card {
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border: 1px solid rgba(255,255,255,.10);
    overflow: hidden;
    border-radius: 18px;
    background:
        radial-gradient(560px 220px at 15% 0%, rgba(168,85,247,.18) 0%, rgba(168,85,247,0) 55%),
        linear-gradient(180deg, rgba(255,255,255,.06) 0%, rgba(255,255,255,.02) 100%);
}

.posts-grid .card:hover {
    transform: translateY(-5px);
    box-shadow:
        0 1px 0 rgba(255,255,255,.05),
        0 30px 95px rgba(0,0,0,.62),
        0 0 0 1px rgba(245,158,11,.22),
        0 0 75px rgba(168,85,247,.18);
    border-color: rgba(168,85,247,.48);
}

.posts-grid .card-img-top {
    transition: transform var(--transition-slow), filter var(--transition-slow);
    filter: saturate(1) contrast(1);
}

.posts-grid .card:hover .card-img-top {
    transform: scale(1.05);
    filter: saturate(1.08) contrast(1.03);
}

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

.posts-grid .card-title a:hover {
    color: rgba(245,158,11,.98) !important;
    text-shadow: 0 12px 26px rgba(245,158,11,.18);
}

/* ============================================
   13. Related Posts (RelatedPostsSection)
   ============================================ */
.related-posts h3 {
    border-bottom: 3px solid rgba(168,85,247,.85);
    padding-bottom: var(--space-xs);
    display: inline-block;
    text-shadow: 0 10px 30px rgba(0,0,0,.45);
}

.related-card {
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,.10);
    background:
        linear-gradient(180deg, rgba(255,255,255,.06) 0%, rgba(255,255,255,.02) 100%);
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow:
        0 1px 0 rgba(255,255,255,.05),
        0 22px 70px rgba(0,0,0,.55),
        0 0 0 1px rgba(168,85,247,.24),
        0 0 65px rgba(168,85,247,.16);
    border-color: rgba(168,85,247,.35);
}

.related-card img {
    transition: transform var(--transition-slow), filter var(--transition-slow);
    filter: saturate(1) contrast(1);
}

.related-card:hover img {
    transform: scale(1.05);
    filter: saturate(1.08) contrast(1.03);
}

/* ============================================
   14. Social Share (SocialShareSection)
   ============================================ */
.social-share .btn {
    min-width: 40px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
    border-radius: 12px;
    box-shadow:
        0 1px 0 rgba(255,255,255,.04),
        0 18px 60px rgba(0,0,0,.22);
}

.social-share .btn:hover {
    transform: translateY(-2px);
    box-shadow:
        0 1px 0 rgba(255,255,255,.06),
        0 26px 85px rgba(0,0,0,.50),
        0 0 0 1px rgba(168,85,247,.22),
        0 0 60px rgba(168,85,247,.18);
    filter: saturate(1.06);
}

.social-share [data-copy-url].copied {
    background-color: rgba(16,185,129,.98);
    color: #fff;
    border-color: rgba(16,185,129,.55);
    box-shadow:
        0 1px 0 rgba(255,255,255,.20),
        0 26px 85px rgba(0,0,0,.48),
        0 0 0 1px rgba(16,185,129,.25),
        0 0 65px rgba(16,185,129,.22);
    opacity: 1;
}

/* ============================================
   15. Bootstrap Accordion override
   ============================================ */
.accordion-button:not(.collapsed) {
    background-color: rgba(239, 246, 255, .72);
    color: rgba(76, 29, 149, .95);
    box-shadow: none;
    border-radius: 16px;
    border: 1px solid rgba(191, 219, 254, .70);
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.2rem rgba(139, 92, 246, 0.18);
    border-color: rgba(139, 92, 246, .45);
}

/* ============================================
   16. Modal (用于 SocialShare 微信二维码)
   ============================================ */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow:
        0 1px 0 rgba(255,255,255,.06),
        0 40px 120px rgba(0,0,0,.65),
        0 0 0 1px rgba(168,85,247,.22),
        0 0 90px rgba(168,85,247,.20);
    background:
        radial-gradient(900px 420px at 50% 0%, rgba(168,85,247,.18) 0%, rgba(168,85,247,0) 55%),
        linear-gradient(180deg, rgba(22,22,47,.98) 0%, rgba(15,15,26,.98) 100%);
    color: rgba(255,255,255,.92);
}

/* ============================================
   17. Tooltip (Bootstrap)
   ============================================ */
.tooltip-inner {
    background-color: rgba(76, 29, 149, .98);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    box-shadow:
        0 1px 0 rgba(255,255,255,.08),
        0 18px 60px rgba(0,0,0,.45),
        0 0 0 1px rgba(245,158,11,.18),
        0 0 50px rgba(139,92,246,.18);
}

/* ============================================
   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: 999px;
    }

    .error-page h1 {
        font-size: 5rem !important;
        text-shadow:
            0 4px 30px rgba(59, 130, 246, 0.12),
            0 18px 60px rgba(109,40,217,.28),
            0 0 60px rgba(245,158,11,.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: 12px;
    }
}