/* ==========================================================================
   Variables & Design System — LIGHT THEME
   ========================================================================== */
:root {
    --bg-main:       #EFF4FB;
    --bg-card:       #FFFFFF;
    --bg-section:    #F5F8FD;
    --color-primary: #1B3A9E;
    --accent-gold:   #C0A741;
    --accent-gold-dim: rgba(192,167,65,0.4);
    --text-primary:  #18244A;
    --text-secondary:#637080;
    --border:        #D4E1F0;
    --shadow:        0 4px 20px rgba(27,58,158,0.10);
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.35s cubic-bezier(0.16,1,0.3,1);
    --header-h: 80px;
}

*{ margin:0; padding:0; box-sizing:border-box; }

body {
    background-color: var(--bg-main);
    background-image: url('bg_main.png');
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.noise-overlay { display: none; }

/* ==========================================================================
   INTRO / LANGUAGE SELECTION SCREEN
   ========================================================================== */
.intro-screen {
    position: fixed; top:0; left:0;
    width:100vw; height:100vh;
    background: url('bg_intro.png') center/cover no-repeat;
    z-index:10000;
    display: flex; justify-content:center; align-items:center;
}
.intro-screen.fade-out { opacity:0; visibility:hidden; }

.intro-content {
    text-align: center;
    z-index: 2;
    background: #FFFFFF;
    padding: 3rem 4rem;
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(27,58,158,0.14);
    max-width: 780px;
    width: 92%;
    display: flex; flex-direction:column; align-items:center;
    animation: fadeInUp 1.2s ease forwards;
}

@keyframes fadeInUp {
    from { opacity:0; transform:translateY(24px); }
    to   { opacity:1; transform:translateY(0); }
}

/* Org row */
.intro-org-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    margin-bottom: 1rem;
    text-align: center;
}
.intro-logo-img {
    width: 72px; height: 72px;
    object-fit: contain; border-radius: 8px;
    margin-bottom: 0.4rem;
}
.intro-org-text { text-align: center; }
.intro-org1 {
    font-family: var(--font-heading);
    font-size: 1.05rem; font-weight: 800;
    letter-spacing: 0.1em; color: var(--text-primary);
    text-transform: uppercase;
    white-space: nowrap;
}
.intro-org2 {
    font-family: var(--font-heading);
    font-size: 0.85rem; font-weight: 600;
    letter-spacing: 0.08em; color: var(--accent-gold);
    text-transform: uppercase; margin-top: 2px;
    white-space: nowrap;
}
.intro-divider {
    width: 60%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    margin: 1rem 0;
}
.intro-campaign {
    font-family: var(--font-heading);
    font-size: 1.1rem; font-weight: 800;
    letter-spacing: 0.06em; color: var(--color-primary);
    text-transform: uppercase; line-height: 1.8;
    margin-bottom: 1.5rem;
    text-align: center;
    word-spacing: 0.1em;
    max-width: 100%;
}
.campaign-line {
    display: block;
}
.intro-lang-hint {
    font-size: 0.85rem; letter-spacing: 0.15em;
    color: var(--text-secondary); margin-bottom: 1.2rem;
    text-transform: uppercase;
}
.intro-lang-options {
    display: flex; flex-direction: column;
    width: 280px;
    background: #FFFFFF;
    border: 1.5px solid var(--border);
    border-radius: 12px; overflow: hidden;
    box-shadow: var(--shadow);
}
.lang-btn {
    padding: 1.1rem 1.5rem;
    background: transparent; border: none;
    border-bottom: 1.5px solid var(--border);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem; font-weight: 700;
    letter-spacing: 0.12em; text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    position: relative; overflow: hidden;
}
.lang-btn:last-child { border-bottom: none; }
.lang-btn:hover {
    background: var(--bg-section);
    color: var(--color-primary);
    padding-left: 2rem;
}

/* ==========================================================================
   MAIN APP
   ========================================================================== */
.main-app { opacity:1; visibility:visible; transition: opacity 1.5s ease; }
.main-app.hidden { opacity:0; visibility:hidden; height:100vh; overflow:hidden; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.header {
    display: flex; justify-content:space-between; align-items:center;
    padding: 0.75rem 2rem;
    position: fixed; top:0; width:100%; z-index:1000;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1.5px solid var(--border);
    box-shadow: 0 2px 16px rgba(27,58,158,0.08);
    min-height: var(--header-h);
    gap: 1rem;
}

/* Left: Logo + Org */
.header-left {
    display: flex; align-items: center; gap: 0.75rem;
    flex-shrink: 0; min-width: 0;
}
.header-logo-img {
    width: 52px; height: 52px;
    object-fit: contain; border-radius: 6px; flex-shrink: 0;
}
.header-org { display: flex; flex-direction: column; }
.header-org1 {
    font-family: var(--font-heading);
    font-size: 0.7rem; font-weight: 800;
    letter-spacing: 0.1em; color: var(--text-primary);
    text-transform: uppercase; line-height: 1.2;
}
.header-org2 {
    font-family: var(--font-heading);
    font-size: 0.6rem; font-weight: 600;
    letter-spacing: 0.08em; color: var(--accent-gold);
    text-transform: uppercase; margin-top: 1px;
}

/* Center: Title */
.header-center {
    flex: 1; text-align: center; padding: 0 0.5rem;
}
.header-title {
    font-family: var(--font-heading);
    font-size: 1.05rem; font-weight: 800;
    letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--color-primary); line-height: 1.35;
    white-space: normal;
}

/* Right: Actions */
.header-right {
    display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0;
}
.header-actions {
    display: flex; gap: 8px; align-items: center;
}
.action-btn {
    position: relative;
    width: 42px; height: 42px;
    border-radius: 10px;
    background: var(--bg-section);
    border: 1.5px solid var(--border);
    display: flex; align-items:center; justify-content:center;
    text-decoration: none; color: var(--color-primary);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}
.action-btn:hover {
    background: var(--color-primary); color: #fff;
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(27,58,158,0.25);
}
.action-icon { width:18px; height:18px; transition: var(--transition); }
.action-label {
    position: absolute; top: calc(100% + 8px); left:50%;
    transform: translateX(-50%) translateY(-6px);
    background: var(--text-primary);
    color: #fff; padding: 5px 10px; border-radius: 6px;
    font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em;
    text-transform: uppercase; white-space: nowrap;
    opacity:0; visibility:hidden;
    transition: var(--transition); pointer-events:none;
}
.action-btn:hover .action-label {
    opacity:1; visibility:visible; transform: translateX(-50%) translateY(0);
}

/* Menu Toggle Button */
.menu-btn {
    background: var(--bg-section);
    border: 1.5px solid var(--border);
    border-radius: 10px; padding: 0.45rem 0.9rem;
    color: var(--text-primary);
    font-family: var(--font-body); font-size: 0.7rem;
    font-weight: 700; letter-spacing: 0.1em;
    cursor: pointer; display: flex; align-items:center; gap: 0.6rem;
    text-transform: uppercase;
    transition: var(--transition);
}
.menu-btn:hover {
    background: var(--color-primary); color: #fff;
    border-color: var(--color-primary);
}
.menu-btn.active { color: var(--color-primary); }
.menu-btn-text { white-space: nowrap; }
.hamburger {
    display: flex; flex-direction:column; gap:5px; position:relative;
}
.hamburger .bar {
    display:block; width:20px; height:1.5px;
    background: currentColor; transition: var(--transition);
}

/* ==========================================================================
   FULLSCREEN TOPIC MENU
   ========================================================================== */
.fullscreen-menu {
    position: fixed; top:0; right:0; left:auto;
    width: 360px; max-width: 88vw; height: 100vh;
    background: #ffffff;
    box-shadow: -8px 0 30px rgba(0,0,0,0.15);
    z-index: 900;
    display: flex; flex-direction:column;
    padding-top: calc(var(--header-h) + 1.5rem);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.5s cubic-bezier(0.4,0,0.2,1), visibility 0.5s;
    overflow-y: auto;
}
.fullscreen-menu.active {
    transform: translateX(0); visibility: visible;
}
.menu-nav { width:100%; padding: 0 2.5rem; }
.menu-nav ul { list-style:none; }
.menu-nav li {
    margin: 1.2rem 0;
    transform: translateX(20px); opacity:0;
    transition: transform 0.5s cubic-bezier(0.16,1,0.3,1), opacity 0.5s ease;
}
.fullscreen-menu.active .menu-nav li {
    transform: translateX(0); opacity: 1;
}
.menu-nav a {
    text-decoration: none; color: #111;
    font-family: var(--font-body);
    font-size: 1rem; font-weight: 500;
    letter-spacing: 0.02em;
    display: block; padding: 0.3rem 0;
    position: relative;
    transition: color 0.25s ease, padding-left 0.25s ease;
    border-bottom: 1px solid #f0f0f0;
}
/* Hover: highlight color, others stay black */
.menu-nav a:hover { color: #c0392b; padding-left: 0.6rem; }
.menu-nav a.active { color: var(--accent-gold); font-weight: 700; }

/* ==========================================================================
   MAIN CONTENT AREA
   ========================================================================== */
.main-content {
    padding-top: calc(var(--header-h) + 2rem);
    padding-bottom: 5rem;
    min-height: 100vh;
}

/* Banner */
.banner-wrap {
    width: 100%; overflow: hidden; position: relative;
    margin-bottom: 2rem;
    padding: 0 1.2rem;
}
.banner-img {
    width: 100%; height: auto;
    border-radius: 12px;
    display: block;
}
.banner-pc { display: block; }
.banner-mobile { display: none; }
.banner-hidden { display: none !important; }
.banner-placeholder {
    width: 100%; height: 150px;
    background: linear-gradient(135deg, #D6E8F7, #EFF4FB);
    border: 2px dashed var(--border);
    border-radius: 12px;
    display: flex; flex-direction:column;
    align-items:center; justify-content:center;
    color: var(--text-secondary); gap: 0.5rem;
    font-size: 0.9rem;
}
.banner-placeholder small { font-size:0.75rem; opacity:0.7; }

/* Category Cards */
.category-cards {
    display: flex; flex-wrap: wrap;
    justify-content: center; gap: 1.5rem;
    padding: 0 2rem 2rem;
    max-width: 1200px; margin: 0 auto;
}
.cat-card {
    background: #FFFFFF;
    border: 1.5px solid var(--border);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    width: 180px; min-height: 160px;
    display: flex; flex-direction:column;
    align-items: center; justify-content:center;
    gap: 0.8rem; text-align:center;
    cursor: pointer; text-decoration:none; color: var(--text-primary);
    transition: var(--transition);
    box-shadow: var(--shadow);
}
.cat-card:hover {
    border-color: var(--color-primary);
    background: var(--bg-section);
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(27,58,158,0.15);
}
.cat-icon {
    width: 44px; height: 44px; color: var(--accent-gold);
}
.cat-name {
    font-family: var(--font-heading);
    font-size: 0.85rem; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase;
    line-height: 1.3; color: var(--text-primary);
}

/* ==========================================================================
   SUBPAGE
   ========================================================================== */
.sub-page {
    padding: 0 2rem 4rem;
    max-width: 1100px; margin: 0 auto;
    animation: fadeInUp 0.4s ease;
}
.sub-page.hidden { display:none; }
.sub-page-header {
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border);
    padding-bottom: 1rem;
}
.sub-page-title {
    font-family: var(--font-heading);
    font-size: 1.6rem; font-weight: 800;
    color: var(--color-primary); text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Sub-categories — filter buttons (legacy, kept for compatibility) */
.sub-category-list {
    margin-bottom: 2rem;
}
.sub-category-list.hidden { display:none; }
.sub-cat-btn {
    padding: 0.6rem 1.4rem;
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: 8px; color: var(--text-primary);
    font-family: var(--font-body); font-size: 0.85rem; font-weight: 600;
    cursor: pointer; transition: var(--transition);
}
.sub-cat-btn:hover, .sub-cat-btn.active {
    background: var(--color-primary); color: #fff;
    border-color: var(--color-primary);
}

/* Child card grid */
.child-card-grid {
    display: flex; flex-wrap: wrap;
    gap: 1rem; padding: 0.5rem 0 1.5rem;
}
.child-card {
    display: flex; align-items: center; gap: 1rem;
    background: #FFFFFF;
    border: 1.5px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.4rem 1rem 1rem;
    cursor: pointer;
    min-width: 220px; flex: 1 1 220px; max-width: 320px;
    transition: var(--transition);
}
.child-card:hover {
    background: var(--bg-section);
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(27,58,158,0.12);
}
.child-card-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items:center; justify-content:center; flex-shrink: 0;
}
.child-card-body { flex: 1; }
.child-card-name {
    font-family: var(--font-heading);
    font-size: 0.88rem; font-weight: 700;
    color: var(--text-primary); text-transform: uppercase;
    letter-spacing: 0.04em; line-height: 1.3; margin-bottom: 0.3rem;
}
.child-card-sub { font-size: 0.75rem; color: var(--text-secondary); font-weight: 500; }
.child-card:hover .child-card-sub { color: var(--color-primary); }


/* Content body */
.sub-page-body { line-height: 1.7; }
.content-section { margin-bottom: 2.5rem; }
.content-section-title {
    font-size: 1rem; font-weight: 700; color: var(--color-primary);
    text-transform: uppercase; letter-spacing: 0.08em;
    margin-bottom: 1rem; padding-bottom: 0.4rem;
    border-bottom: 2px solid var(--border);
}

/* ── Article list (image 2 style) ── */
.article-list { display: flex; flex-direction: column; }
.article-list-item {
    display: flex; align-items: flex-start; gap: 1.2rem;
    padding: 1rem 0.75rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.2s ease;
}
.article-list-item:hover { background: var(--bg-section); }
.ali-logo { flex-shrink:0; text-align:center; width:68px; }
.ali-logo img {
    width:60px; height:60px; object-fit:contain;
    border-radius: 50%;
    border: 2px solid var(--accent-gold);
    background: var(--bg-section);
}
.ali-logo-ph {
    width:60px; height:60px;
    background: var(--bg-section);
    border: 2px solid var(--border);
    border-radius: 50%;
}
.ali-date {
    font-size: 0.68rem; color: var(--text-secondary);
    margin-top: 0.35rem; font-family: var(--font-body);
}
.ali-body { flex:1; }
.ali-badge {
    display: inline-block;
    background: var(--color-primary); color: #fff;
    font-size: 0.62rem; font-weight: 800;
    padding: 0.1rem 0.5rem; border-radius: 4px;
    margin-bottom: 0.35rem; letter-spacing: 0.07em;
}
.ali-title {
    font-family: var(--font-heading);
    font-size: 0.88rem; font-weight: 700;
    color: var(--text-primary); text-transform: uppercase;
    letter-spacing: 0.03em; line-height: 1.45;
    margin-bottom: 0.3rem;
}
.article-list-item:hover .ali-title { color: var(--color-primary); }
.ali-excerpt { font-size: 0.78rem; color: var(--text-secondary); line-height:1.5; }

/* ── Article detail (image 3 style) ── */
.article-detail {
    background: #FFFFFF;
    border: 1.5px solid var(--border);
    border-radius: 16px;
    padding: 2.2rem 2.5rem;
    box-shadow: 0 4px 20px rgba(27,58,158,0.08);
    margin-bottom: 2rem;
}
.art-detail-date { font-size:0.85rem; color:var(--text-secondary); margin-bottom:0.75rem; font-weight:500; }
.art-detail-title {
    font-family: var(--font-heading);
    font-size: 1.35rem; font-weight: 800;
    color: var(--color-primary); text-transform: uppercase;
    letter-spacing: 0.05em; line-height: 1.4;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border);
    padding-bottom: 1rem;
}
.art-detail-text { line-height: 1.85; color: var(--text-primary); font-size: 1rem; }
.art-detail-text p { margin-bottom: 1rem; color: var(--text-primary); line-height: 1.85; }
.art-detail-text strong, .art-detail-text b { color: var(--text-primary); font-weight: 700; }
.art-detail-text h1, .art-detail-text h2, .art-detail-text h3 { color: var(--color-primary); font-family: var(--font-heading); font-weight: 700; margin: 1.5rem 0 0.75rem; }
.art-detail-text ul, .art-detail-text ol { margin: 0.8rem 0 1.2rem 1.8rem; color: var(--text-primary); }
.art-detail-text li { margin-bottom: 0.4rem; line-height: 1.75; }
.art-detail-text a { color: var(--color-primary); text-decoration: underline; font-weight: 600; }
.art-detail-img {
    max-width: 100%;
    height: auto;
    max-height: 850px;
    object-fit: contain;
    display: block;
    margin: 1.5rem auto;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(27,58,158,0.10);
    cursor: pointer;
    transition: transform 0.25s ease, opacity 0.2s;
}
.art-detail-img:hover { opacity: 0.95; transform: scale(1.01); }

/* Admin article editor */
.art-admin-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px; margin-bottom: 1rem;
    overflow: hidden;
}
.art-admin-card-header {
    display: flex; align-items:center; gap:0.75rem;
    padding: 0.85rem 1rem;
    background: rgba(255,255,255,0.04);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    cursor: pointer;
}
.art-thumb-sm {
    width:48px; height:48px; object-fit:cover;
    border-radius:8px; border:1px solid rgba(255,255,255,0.15); flex-shrink:0;
}
.art-thumb-ph {
    width:48px; height:48px; border-radius:8px;
    background: rgba(203,168,93,0.1);
    border: 1px dashed rgba(203,168,93,0.3);
    display:flex; align-items:center; justify-content:center;
    font-size:1.4rem; flex-shrink:0;
}
.art-admin-card-title { flex:1; font-weight:600; color:#fff; font-size:0.88rem; }
.art-admin-card-body { padding: 1.25rem; }
.art-admin-card.collapsed { border-color: rgba(203,168,93,0.3); }
.art-admin-card.collapsed .art-admin-card-body { display: none !important; }
.art-admin-card.collapsed .art-admin-card-header { border-bottom: none; background: rgba(203,168,93,0.08); cursor: pointer; }
.art-admin-card.collapsed .btn-edit-article { display: inline-flex !important; }
.art-admin-card:not(.collapsed) .btn-edit-article { display: none !important; }
.save-article-bar {
    display: flex; justify-content: flex-end; padding: 1rem 0 0.5rem;
    border-top: 1px solid rgba(255,255,255,0.08); margin-top: 1rem;
}
.btn-save-article {
    display: inline-flex; align-items:center; gap:0.5rem;
    padding: 0.65rem 2rem; background: linear-gradient(135deg, #C0A741, #d4bc5a); color: #0a0f14;
    border: none; border-radius: 10px; font-weight: 700; font-size: 0.88rem;
    cursor: pointer; transition: all 0.25s ease;
    box-shadow: 0 4px 12px rgba(192,167,65,0.3);
    letter-spacing: 0.02em;
}
.btn-save-article:hover { background: linear-gradient(135deg, #d4bc5a, #e8d06e); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(192,167,65,0.4); }
.btn-edit-article {
    display: inline-flex; align-items:center; gap:0.4rem;
    padding: 0.5rem 1.2rem; background: linear-gradient(135deg, #1B3A9E, #2a4ec0); color: #fff;
    border: none; border-radius: 8px; font-weight: 600; font-size: 0.82rem;
    cursor: pointer; transition: all 0.25s ease;
    box-shadow: 0 3px 10px rgba(27,58,158,0.3);
}
.btn-edit-article:hover { background: linear-gradient(135deg, #2a4ec0, #3660d8); transform: translateY(-1px); box-shadow: 0 5px 14px rgba(27,58,158,0.4); }
.collapsed-notice {
    display: flex; align-items:center; justify-content:space-between;
    padding: 1rem 1.2rem; background: rgba(203,168,93,0.08);
    border: 1px dashed rgba(203,168,93,0.3); border-radius: 10px;
    margin-top: 0.8rem; color: rgba(255,255,255,0.7); font-size: 0.88rem;
}

/* YouTube embed */
.yt-embed-wrap {
    position: relative; padding-bottom: 56.25%;
    height: 0; overflow: hidden; border-radius: 10px;
    margin-bottom: 1rem;
}
.yt-embed-wrap iframe {
    position:absolute; top:0; left:0;
    width:100%; height:100%; border:none; border-radius:10px;
}

/* Image gallery */
.img-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}
.img-gallery img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: 10px; cursor:pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border);
    background: #FFFFFF;
    box-shadow: 0 2px 10px rgba(27,58,158,0.06);
}
.img-gallery img:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 24px rgba(27,58,158,0.16);
    border-color: var(--color-primary);
}

/* PDF links */
.pdf-list { display:flex; flex-direction:column; gap:0.75rem; }
.pdf-link {
    display: flex; align-items:center; gap:0.75rem;
    padding: 0.8rem 1.2rem;
    background: var(--bg-section);
    border: 1.5px solid var(--border);
    border-radius: 8px; color: var(--text-primary);
    text-decoration: none; font-size:0.9rem;
    transition: var(--transition);
}
.pdf-link:hover { background: var(--bg-card); border-color: var(--color-primary); color: var(--color-primary); }
.pdf-link svg { flex-shrink:0; color: var(--color-primary); }

/* Article links */
.article-link-list { display:flex; flex-direction:column; gap:0.6rem; }
.article-ext-link {
    color: var(--color-primary); text-decoration:none;
    font-size:0.9rem; transition: color 0.25s;
}
.article-ext-link:hover { color: var(--accent-gold); text-decoration:underline; }

/* Article text — Giao diện bài viết Chuyên đề */
.article-text {
    background: #FFFFFF;
    border: 1.5px solid var(--border);
    border-radius: 16px;
    padding: 2.2rem 2.5rem;
    font-size: 1rem;
    line-height: 1.85;
    color: var(--text-primary);
    box-shadow: 0 4px 24px rgba(27,58,158,0.08);
    word-break: break-word;
}
.article-text p {
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.85;
}
.article-text p:last-child {
    margin-bottom: 0;
}
.article-text h1,
.article-text h2,
.article-text h3,
.article-text h4,
.article-text h5,
.article-text h6 {
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-weight: 700;
    margin-top: 1.6rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}
.article-text h1:first-child,
.article-text h2:first-child,
.article-text h3:first-child {
    margin-top: 0;
}
.article-text h1 { font-size: 1.4rem; }
.article-text h2 { font-size: 1.25rem; }
.article-text h3 { font-size: 1.1rem; }
.article-text strong,
.article-text b {
    color: var(--text-primary);
    font-weight: 700;
}
.article-text ul,
.article-text ol {
    margin: 0.8rem 0 1.2rem 1.8rem;
    color: var(--text-primary);
}
.article-text li {
    margin-bottom: 0.5rem;
    line-height: 1.75;
}
.article-text a {
    color: var(--color-primary);
    text-decoration: underline;
    font-weight: 600;
    transition: color 0.2s ease;
}
.article-text a:hover {
    color: var(--accent-gold);
}
.article-text img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 1.5rem auto;
    display: block;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.article-text table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}
.article-text th,
.article-text td {
    border: 1px solid var(--border);
    padding: 0.75rem 1rem;
    text-align: left;
    color: var(--text-primary);
}
.article-text th {
    background: var(--bg-section);
    font-weight: 700;
    color: var(--color-primary);
}
.article-text blockquote {
    border-left: 4px solid var(--color-primary);
    background: var(--bg-section);
    padding: 0.8rem 1.2rem;
    margin: 1rem 0;
    border-radius: 0 8px 8px 0;
    color: var(--text-primary);
    font-style: italic;
}
/* Tránh lỗi màu chữ trắng hoặc nền tối khi người dùng copy-paste nội dung từ nơi khác */
.article-text [style*="color: #fff"],
.article-text [style*="color:#fff"],
.article-text [style*="color: #ffffff"],
.article-text [style*="color:#ffffff"],
.article-text [style*="color: white"],
.article-text [style*="color:white"],
.article-text [style*="color: rgb(255, 255, 255)"],
.article-text [style*="color:rgb(255,255,255)"] {
    color: var(--text-primary) !important;
}
.article-text [style*="background-color: #0"],
.article-text [style*="background-color:#0"],
.article-text [style*="background-color: #1"],
.article-text [style*="background-color:#1"],
.article-text [style*="background-color: #2"],
.article-text [style*="background-color:#2"],
.article-text [style*="background-color: black"],
.article-text [style*="background-color:black"],
.article-text [style*="background-color: rgb(0,"],
.article-text [style*="background-color:rgb(0,"] {
    background-color: transparent !important;
}

/* Empty state */
.empty-state {
    text-align:center; padding: 3rem;
    color: var(--text-secondary); font-size: 0.9rem;
}

/* Lightbox */
.lightbox {
    position: fixed; inset:0;
    background: rgba(0,0,0,0.88);
    z-index: 9999;
    display: flex; align-items:center; justify-content:center;
    cursor: zoom-out; animation: fadeInUp 0.3s ease;
}
.lightbox img {
    max-width: 92vw; max-height: 90vh;
    object-fit: contain; border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.lb-close {
    position:absolute; top:1.5rem; right:1.5rem;
    background:none; border:none; color:#fff; font-size:2rem;
    cursor:pointer; line-height:1;
}

/* ==========================================================================
   FOOTER — góc dưới phải
   ========================================================================== */
.main-footer {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 800;
}
.footer-back-btn {
    display: flex; align-items:center; gap: 0.5rem;
    padding: 0.65rem 1.5rem;
    background: var(--color-primary); color: #fff;
    border: none; border-radius: 30px;
    font-family: var(--font-body); font-size: 0.82rem;
    font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(27,58,158,0.3);
}
.footer-back-btn:hover {
    background: #14297a;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(27,58,158,0.4);
}


/* ==========================================================================
   FLOATING CHIBI
   ========================================================================== */
.floating-popup {
    position: fixed; bottom: 30px; left: 30px;
    z-index: 8000; display:flex; align-items:flex-end; gap:12px;
    text-decoration:none;
    animation: floatUD 3s ease-in-out infinite;
    transition: transform 0.3s ease;
}
.floating-popup:hover { transform: scale(1.06); }
.popup-img {
    width:80px; height:80px; border-radius:50%;
    object-fit:cover; border:2px solid var(--accent-gold);
    box-shadow: 0 8px 20px rgba(0,0,0,0.5);
    background:#fff;
}
.popup-tooltip {
    background: rgba(10,15,20,0.95);
    backdrop-filter: blur(8px);
    border: 1px solid var(--accent-gold);
    color: #fff; padding: 10px 16px; border-radius:12px;
    border-bottom-left-radius: 0;
    font-size: 0.8rem; font-weight:500; line-height:1.4;
    max-width: 200px; margin-bottom:18px;
    transition: var(--transition);
}
.floating-popup:hover .popup-tooltip {
    background: var(--accent-gold); color: #080c10;
}
@keyframes floatUD {
    0%,100% { transform:translateY(0); }
    50%      { transform:translateY(-10px); }
}

/* ==========================================================================
   HIDDEN ADMIN BUTTON
   ========================================================================== */
.admin-hidden-btn {
    position: fixed; bottom: 8px; left: 8px;
    width: 10px; height: 10px;
    z-index: 7000; cursor: pointer;
    background: rgba(203,168,93,0.25);
    border: 1px solid rgba(203,168,93,0.35);
    border-radius: 50%;
    opacity: 1;
    transition: all 0.3s ease;
    display: block;
    text-decoration: none;
}
.admin-hidden-btn:hover {
    background: rgba(203,168,93,0.6);
    transform: scale(1.4);
    box-shadow: 0 0 8px rgba(203,168,93,0.5);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 768px) {
    :root { --header-h: 125px; }

    .main-content { padding-top: calc(var(--header-h) + 0.75rem); }
    .header { padding: 0.35rem 0.5rem; flex-wrap:wrap; min-height: auto; max-width: 100vw; justify-content: space-between; align-items: center; }
    .header-left { order:1; flex: 0 1 auto; min-width: 0; gap: 0.3rem; }
    .header-right { order:2; flex: 0 0 auto; gap: 0.35rem; justify-content: flex-end; align-items: center; margin-left: auto; }
    
    /* On mobile, hide extra category action buttons in header (keep Home button) */
    .header-actions .action-btn:not(#btnHome) { display: none !important; }
    
    .header-center { order:3; flex: 0 0 100%; width:100%; max-width: 100%; margin: 0; padding: 0.2rem 0 0; text-align: center; }
    .header-title {
        font-size: clamp(0.65rem, 3vw, 0.76rem);
        line-height: 1.25;
        white-space: normal;
    }
    .header-logo-img { width:34px; height:34px; flex-shrink: 0; }
    .header-org1 { font-size:0.58rem; letter-spacing: 0.03em; white-space: nowrap; }
    .header-org2 { font-size:0.52rem; letter-spacing: 0.03em; white-space: nowrap; }

    .action-btn { width:32px; height:32px; flex-shrink: 0; }
    .action-icon { width:15px; height:15px; }
    .menu-btn { padding:0.3rem 0.55rem; font-size:0.64rem; gap: 0.3rem; flex-shrink: 0; height: 32px; box-sizing: border-box; }
    .menu-btn-text { white-space: nowrap; font-size: 0.64rem; line-height: 1; display: inline-block; }

    .banner-wrap { padding: 0 0.6rem; margin-top: 0.5rem; margin-bottom: 1.5rem; }
    .banner-pc { display:none !important; }
    .banner-mobile { display:block; width:100%; height:auto; }
    .banner-mobile.banner-hidden { display:none !important; }

    .category-cards { gap:1rem; padding: 0 1rem 2rem; }
    .cat-card { width: calc(50% - 0.5rem); min-height:120px; padding:1.2rem 1rem; }
    .cat-name { font-size:0.75rem; }
    .cat-icon { width:32px; height:32px; }

    .sub-page { padding: 0 1rem 4rem; }
    .sub-page-title { font-size:1.2rem; }
    .article-text, .article-detail { padding: 1.4rem 1.1rem; border-radius: 12px; }

    .intro-content { padding:2rem 1.2rem; }
    .intro-org1 { font-size:0.78rem; white-space:normal; text-align:center; }
    .intro-org2 { font-size:0.7rem; white-space:normal; text-align:center; }
    .intro-campaign { font-size:0.72rem; letter-spacing:0.03em; }
    .intro-lang-options { width:240px; }

    .fullscreen-menu { width:100vw; max-width:100vw; padding-top: calc(var(--header-h) + 1rem); }
}

@media (max-width: 480px) {
    :root { --header-h: 120px; }
    .main-content { padding-top: calc(var(--header-h) + 0.75rem); }
    .header { padding: 0.3rem 0.4rem; }
    .header-left { gap: 0.25rem; }
    .header-logo-img { width: 30px; height: 30px; }
    .header-org1 { font-size: 0.52rem; letter-spacing: 0.01em; }
    .header-org2 { font-size: 0.46rem; letter-spacing: 0.01em; }
    .action-btn { width:28px; height:28px; }
    .action-icon { width:14px; height:14px; }
    .menu-btn { padding:0.25rem 0.45rem; font-size:0.6rem; gap: 0.25rem; height: 28px; }
    .menu-btn-text { font-size: 0.6rem; line-height: 1; }
    .banner-mobile { height:auto; }
    .cat-card { width: calc(50% - 0.5rem); }
    .action-label { display:none; }
    .article-text, .article-detail { padding: 1.1rem 0.85rem; font-size: 0.92rem; }
}

/* ==========================================================================
   LIGHTBOX MODAL OVERLAY
   ========================================================================== */
#lightbox {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    width: 100vw; height: 100vh;
    z-index: 99999;
    background: rgba(5, 8, 15, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    padding: 2rem;
    box-sizing: border-box;
}
#lightbox.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
#lightbox img {
    max-width: 92vw;
    max-height: 88vh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.8);
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    user-select: none;
}
#lightbox.open img {
    transform: scale(1);
}
.lb-close {
    position: absolute;
    top: 20px;
    right: 24px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    font-size: 1.4rem;
    font-weight: 300;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 100000;
}
.lb-close:hover {
    background: rgba(224, 56, 56, 0.9);
    border-color: rgba(224, 56, 56, 1);
    transform: scale(1.1) rotate(90deg);
}

/* ==========================================================================
   PUBLIC Q&A (HỎI ĐÁP) STYLES
   ========================================================================== */
.qa-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

/* Form Card */
.qa-form-card {
    background: #FFFFFF;
    border: 1.5px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(27,58,158,0.06);
    transition: var(--transition);
}
.qa-form-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 12px 35px rgba(27,58,158,0.12);
}

.qa-form-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}
.qa-form-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.qa-privacy-note {
    background: #F0F4FF;
    border-left: 4px solid var(--color-primary);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qa-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
    margin-bottom: 1.2rem;
}
@media (max-width: 600px) {
    .qa-form-grid {
        grid-template-columns: 1fr;
    }
}

.qa-field-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.qa-field-group.full-width {
    grid-column: 1 / -1;
}

.qa-label {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-primary);
}
.qa-label span {
    color: #e74c3c;
}

.qa-input, .qa-textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 0.92rem;
    color: var(--text-primary);
    background: #FAFAFC;
    transition: var(--transition);
    box-sizing: border-box;
}
.qa-input:focus, .qa-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(27,58,158,0.12);
}
.qa-textarea {
    min-height: 120px;
    resize: vertical;
}

.qa-submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 2rem;
    background: linear-gradient(135deg, var(--color-primary), #2a4ec0);
    color: #FFFFFF;
    border: none;
    border-radius: 10px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(27,58,158,0.25);
}
.qa-submit-btn:hover {
    background: linear-gradient(135deg, #14297a, var(--color-primary));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(27,58,158,0.35);
}
.qa-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.qa-msg {
    margin-top: 1rem;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    display: none;
}
.qa-msg.success {
    display: block;
    background: #D4EDDA;
    color: #155724;
    border: 1px solid #C3E6CB;
}
.qa-msg.error {
    display: block;
    background: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
}

/* Q&A List */
.qa-list-section {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}
.qa-list-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.qa-item-card {
    background: #FFFFFF;
    border: 1.5px solid var(--border);
    border-radius: 14px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.qa-item-card:hover {
    border-color: rgba(27,58,158,0.4);
    box-shadow: 0 8px 25px rgba(27,58,158,0.08);
}

.qa-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px dashed var(--border);
}
.qa-user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-primary);
}
.qa-user-name {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.qa-user-phone {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.82rem;
    background: #F0F4FF;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.qa-item-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.qa-date {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.qa-badge {
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.qa-badge-answered {
    background: #E6F4EA;
    color: #137333;
    border: 1px solid #CEEAD6;
}
.qa-badge-pending {
    background: #FEF7E0;
    color: #B06000;
    border: 1px solid #FDE293;
}

.qa-question-box {
    background: #F8FAFC;
    border-radius: 10px;
    padding: 1rem 1.2rem;
    border-left: 3.5px solid var(--accent-gold);
}
.qa-box-label {
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.qa-question-text {
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.6;
    font-weight: 500;
}

.qa-answer-box {
    background: #F0F4FF;
    border-radius: 10px;
    padding: 1.1rem 1.2rem;
    border-left: 3.5px solid var(--color-primary);
}
.qa-answer-label {
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.qa-answer-text {
    font-size: 0.92rem;
    color: var(--text-primary);
    line-height: 1.7;
}

.qa-empty {
    text-align: center;
    padding: 3rem 1.5rem;
    background: #FFFFFF;
    border: 1.5px dashed var(--border);
    border-radius: 14px;
    color: var(--text-secondary);
    font-size: 0.92rem;
}

/* ==========================================================================
   PAGINATION CONTROL STYLES (10 items / page)
   ========================================================================== */
.pagination-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1.5px dashed var(--border);
    flex-wrap: wrap;
}
.page-btn, .page-nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 0.75rem;
    background: #FFFFFF;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
    box-shadow: 0 2px 6px rgba(0,0,0,0.03);
}
.page-btn:hover, .page-nav-btn:hover {
    background: var(--bg-section);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(27,58,158,0.15);
}
.page-btn.active {
    background: var(--color-primary);
    color: #FFFFFF;
    border-color: var(--color-primary);
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(27,58,158,0.3);
}
.page-nav-btn:disabled, .page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    border-color: var(--border);
    background: #FAFAFC;
    color: var(--text-secondary);
}
.page-info {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin: 0 0.5rem;
}
@media (max-width: 480px) {
    .pagination-wrap {
        gap: 0.35rem;
    }
    .page-btn, .page-nav-btn {
        min-width: 34px;
        height: 34px;
        font-size: 0.8rem;
        padding: 0 0.5rem;
    }
}

/* ==========================================================================
   ARTICLE / INFOGRAPHIC / IMAGE LIST STYLES
   ========================================================================== */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}
.article-list-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    background: #FFFFFF;
    border: 1.5px solid var(--border);
    border-radius: 14px;
    padding: 1rem 1.25rem;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}
.article-list-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(27,58,158,0.12);
}
.ali-logo {
    position: relative;
    width: 84px;
    height: 84px;
    min-width: 84px;
    border-radius: 10px;
    overflow: hidden;
    background: #F1F4F9;
    border: 1px solid rgba(0,0,0,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
}
.ali-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.article-list-item:hover .ali-logo img {
    transform: scale(1.08);
}
.ali-logo-ph {
    font-size: 2rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #F0F4FF, #E6EEFF);
}
.ali-date {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.65);
    color: #fff;
    font-size: 0.65rem;
    text-align: center;
    padding: 2px 0;
    font-weight: 500;
}
.ali-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 0;
}
.ali-badge {
    align-self: flex-start;
    background: linear-gradient(135deg, #E63946, #D62839);
    color: #FFFFFF;
    font-size: 0.68rem;
    font-weight: 800;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.ali-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.ali-excerpt {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 600px) {
    .article-list-item {
        padding: 0.85rem 1rem;
        gap: 0.9rem;
    }
    .ali-logo {
        width: 70px;
        height: 70px;
        min-width: 70px;
        border-radius: 8px;
    }
    .ali-title {
        font-size: 0.95rem;
    }
    .ali-excerpt {
        font-size: 0.8rem;
    }
}

/* ==========================================================================
   DIRECT FULL IMAGE DISPLAY STYLES (Dành cho ảnh tải trực tiếp không qua bài viết)
   ========================================================================== */
.direct-image-card {
    background: #FFFFFF;
    border: 1.5px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 6px 22px rgba(27,58,158,0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    margin-bottom: 1.5rem;
}
.direct-image-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 12px 32px rgba(27,58,158,0.18);
    transform: translateY(-3px);
}
.direct-image-container {
    position: relative;
    width: 100%;
    background: #F8FAFC;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0.5rem;
}
.direct-image-container img {
    width: 100%;
    height: auto;
    max-height: 85vh;
    object-fit: contain;
    display: block;
    border-radius: 10px;
    transition: transform 0.35s ease;
}
.direct-image-card:hover .direct-image-container img {
    transform: scale(1.015);
}
.direct-image-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.25);
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.25s ease;
}
.direct-image-card:hover .direct-image-overlay {
    opacity: 1;
}
.direct-image-zoom-btn {
    background: rgba(27, 58, 158, 0.95);
    color: #FFFFFF;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 0.65rem 1.3rem;
    border-radius: 30px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    letter-spacing: 0.02em;
    backdrop-filter: blur(4px);
}
.direct-image-date {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    background: rgba(0, 0, 0, 0.7);
    color: #FFFFFF;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.35rem 0.8rem;
    border-radius: 20px;
    backdrop-filter: blur(4px);
    z-index: 2;
}
.direct-image-caption {
    padding: 1rem 1.25rem;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    border-top: 1px solid var(--border);
    background: #FFFFFF;
    text-align: center;
}

/* ================================================================
   PHOTO GALLERY GRID & LIGHTBOX SLIDESHOW (Matching Image 3)
   ================================================================ */
.photo-gallery-wrap {
    margin-bottom: 2rem;
}
.photo-gallery-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid rgba(27, 58, 158, 0.1);
}
.photo-gallery-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: 0.03em;
}
.photo-gallery-count {
    background: rgba(27, 58, 158, 0.08);
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.3rem 0.85rem;
    border-radius: 20px;
}
.photo-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}
@media (max-width: 900px) {
    .photo-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}
@media (max-width: 550px) {
    .photo-gallery-grid {
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }
}

.photo-gallery-card {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: 14px;
    overflow: hidden;
    background: #f1f5f9;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.photo-gallery-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(27, 58, 158, 0.18);
}
.photo-gallery-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}
.photo-gallery-card:hover img {
    transform: scale(1.06);
}
.photo-gallery-hover {
    position: absolute;
    inset: 0;
    background: rgba(27, 58, 158, 0.35);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.photo-gallery-card:hover .photo-gallery-hover {
    opacity: 1;
}
.photo-gallery-zoom {
    background: #FFFFFF;
    color: var(--primary-color);
    font-size: 0.88rem;
    font-weight: 700;
    padding: 0.5rem 1.1rem;
    border-radius: 25px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* Lightbox Controls */
.lb-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.6);
    color: #FFFFFF;
    border: none;
    font-size: 2.5rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    transition: background 0.2s ease, transform 0.2s ease;
}
.lb-nav:hover {
    background: rgba(27, 58, 158, 0.9);
    transform: translateY(-50%) scale(1.1);
}
.lb-prev { left: 20px; }
.lb-next { right: 20px; }

.lb-counter {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.75);
    color: #FFFFFF;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    letter-spacing: 0.05em;
    backdrop-filter: blur(4px);
    z-index: 10001;
}