@import url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css");
:root {
    /* Màu lấy từ bìa tạp chí */
    --navy-900: #0F2A52;
    --navy-800: #133A6F;
    --navy-700: #1B4A8A;
    --navy-600: #2A5FA8;
    --navy-500: #3D7BC4;
    --sky-100: #D6E4F0;
    --sky-50: #EEF4FA;
    --red-600: #C8102E;
    --red-700: #A50D26;
    --gold-500: #C9A227;
    --ink-900: #0A1628;
    --ink-700: #2E3A4B;
    --ink-500: #5C6A7D;
    --ink-300: #A8B2C1;
    --line: #E3E9F0;
    --bg: #F7F9FC;
    --white: #FFFFFF;
    --background-color-index-section: #C4A841;
    --font-display: 'Playfair Display', 'Lora', serif;
    --font-serif: 'Lora', Georgia, serif;
    --font-sans: 'Be Vietnam Pro', system-ui, sans-serif;
    --font-brand: 'Roboto Slab', Georgia, serif;
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 14px;
    --shadow-sm: 0 1px 2px rgba(15,42,82,.06);
    --shadow: 0 4px 16px rgba(15,42,82,.08);
    --shadow-lg: 0 18px 40px rgba(15,42,82,.14);
    --container: 1240px;
}

  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    font-family:var(--font-sans);
    color:var(--ink-900);
    background:var(--bg);
    line-height:1.6;
    font-size:15px;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  button{font-family:inherit;cursor:pointer;border:none;background:none}

  .container{max-width:var(--container);margin:0 auto;padding:0 24px}

  /* ---------- TOP UTILITY BAR ---------- */
  .top-bar{
    background:var(--navy-900);
    color:rgba(255,255,255,.85);
    font-size:12.5px;
    padding:8px 0;
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .top-bar .container{display:flex;align-items:center;justify-content:flex-end;gap:16px;flex-wrap:wrap}
  .top-bar .utilities{display:flex;gap:18px;align-items:center}
  .top-bar .utilities a{transition:color .2s;display:flex;align-items:center;gap:6px}
  .top-bar .utilities a:hover{color:var(--gold-500)}
  .lang-switcher{display:flex;gap:4px;background:rgba(255,255,255,.08);border-radius:20px;padding:3px}
  .lang-switcher button{
    padding:3px 12px;font-size:11.5px;font-weight:600;letter-spacing:.05em;
    color:rgba(255,255,255,.6);border-radius:20px;transition:all .2s;
  }
  .lang-switcher button:not(.active):hover{color:var(--gold-500)}
  .lang-switcher button.active{background:var(--white);color:var(--navy-900)}
  .lang-switcher a.lang-btn{
    padding:3px 12px;font-size:11.5px;font-weight:600;letter-spacing:.05em;
    color:rgba(255,255,255,.6);border-radius:20px;transition:all .2s;
    text-decoration:none;display:inline-block;
  }
  .lang-switcher a.lang-btn:hover{color:var(--gold-500)}
  .lang-switcher a.lang-btn.active{background:var(--white);color:var(--navy-900)}
  .top-bar .utilities > span button{
    padding:4px 10px;font-size:11.5px;font-weight:600;border-radius:4px;
    background:rgba(255,255,255,.12);color:var(--white);cursor:pointer;margin-right:6px;
  }
  .top-bar .utilities > span button:hover{background:rgba(255,255,255,.2)}

  /* ---------- HEADER ---------- */
  .header{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;box-shadow:var(--shadow-sm)}
  .header-main{padding:20px 0;display:grid;grid-template-columns:auto 1fr;gap:32px;align-items:center}
  .header-main .header-actions{justify-self:end}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    width: fit-content;
    height: fit-content;
}
  /* ===== LOGO PLACEHOLDER =====
     Placeholder dashed box - bộ phận website sẽ thay bằng <img> thật sau.
     Dev chỉ cần thay <div class="brand-logo">...</div>
     bằng <div class="brand-logo"><img src="logo.png" alt="..."></div>
     và CSS .brand-logo img dưới đây sẽ tự xử lý.
     ============================ */
  .brand-logo{
    height:80px;width:80px;
    display:flex;align-items:center;justify-content:center;
    flex-shrink:0;
    border:2px dashed var(--ink-300);
    border-radius:8px;
    background:var(--sky-50);
    color:var(--ink-500);
    font-family:var(--font-sans);
    font-size:11px;font-weight:700;
    letter-spacing:.1em;text-transform:uppercase;
    text-align:center;line-height:1.2;
    transition:all .2s;
  }
  /*.brand-logo:hover{border-color:var(--navy-600);color:var(--navy-700);background:var(--white)}*/
  /* Khi dev thêm <img> vào thì ẩn placeholder text và bỏ khung */
  .brand-logo:has(img){
    border:none;background:transparent;padding:0;
  }
  .brand-logo:has(img) .logo-placeholder-text{display:none}
  .brand-logo img{
    height:100%;width:100%;display:block;
    object-fit:contain;
  }
  .logo-placeholder-text{pointer-events:none;user-select:none}
  /* Variant trên nền tối (footer) */
  .brand-logo-dark{
    border-color:rgba(255,255,255,.25);
    background:rgba(255,255,255,.04);
    color:rgba(255,255,255,.55);
  }
/*  .brand-logo-dark:hover{
    border-color:var(--gold-500);
    color:var(--gold-500);
    background:rgba(255,255,255,.06);
  }*/
  .brand-text{line-height:1.1}
  .brand-small{
    font-family:var(--font-sans);
    font-size:13px;letter-spacing:.18em;text-transform:uppercase;
    color:var(--navy-800);font-weight:700;margin-bottom:4px;
  }
  .brand-title{
    font-family:var(--font-brand);
    font-size:26px;font-weight:800;color:#5C6A7D;
    letter-spacing:-.01em;line-height:1;
    white-space:nowrap;
  }
  .brand-title .accent{color:var(--red-600);font-weight:900}
  .brand-title .amp{color:var(--ink-700);font-weight:400;margin:0 2px}
  .brand-sub{
    font-family:var(--font-sans);
    font-size:10.5px;color:var(--navy-800);
    margin-top:6px;font-weight:600;
    text-transform:uppercase;letter-spacing:.08em;
  }

  .header-actions{display:flex;align-items:center;gap:8px}
  .icon-btn-wrap{position:relative}
  .icon-btn{
    text-decoration:none;box-sizing:border-box;
    width:40px;height:40px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    color:var(--navy-800);background:var(--sky-50);
    transition:all .2s;position:relative;
  }
  .icon-btn:hover{background:var(--navy-800);color:var(--white);transform:translateY(-1px)}
  .icon-btn .badge{
    position:absolute;top:-2px;right:-2px;
    background:var(--red-600);color:var(--white);
    font-size:10px;font-weight:700;
    width:18px;height:18px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    border:2px solid var(--white);
  }

  /* Dropdown cho icon tài khoản */
  .icon-dropdown{
    position:absolute;top:calc(100% + 10px);right:0;
    background:var(--white);min-width:180px;
    box-shadow:var(--shadow-lg);
    border-radius:var(--radius);
    opacity:0;visibility:hidden;transform:translateY(6px);
    transition:all .2s;z-index:60;
    border-top:3px solid var(--gold-500);
    overflow:hidden;
  }
  .icon-dropdown::before{
    content:'';position:absolute;top:-8px;right:14px;
    width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;
    border-bottom:6px solid var(--gold-500);
  }
  .icon-btn-wrap:hover .icon-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
  .icon-dropdown a{
    display:flex;align-items:center;gap:10px;
    padding:11px 16px;font-size:13px;color:var(--ink-700);
    border-bottom:1px solid var(--line);transition:all .15s;font-weight:500;
  }
  .icon-dropdown a:last-child{border-bottom:none}
  .icon-dropdown a:hover{background:var(--sky-50);color:var(--navy-800);padding-left:20px}
  .icon-dropdown a i{color:var(--navy-700);width:16px;font-size:13px}

  /* Giỏ mua bài viết */
  .article-purchase-cart-dropdown{
    position:absolute;top:calc(100% + 10px);right:0;
    background:var(--white);min-width:280px;max-width:360px;
    box-shadow:var(--shadow-lg);border-radius:var(--radius);
    opacity:0;visibility:hidden;transform:translateY(6px);
    transition:all .2s;z-index:70;
    border-top:3px solid var(--gold-500);
    padding:12px 14px;
  }
  .article-purchase-cart-dropdown.open{
    opacity:1;visibility:visible;transform:translateY(0);
  }
  .article-purchase-cart-title{font-weight:700;margin:0 0 8px;font-size:13px;color:var(--navy-800);}
  .article-purchase-cart-list{list-style:none;margin:0 0 10px;padding:0;max-height:220px;overflow-y:auto;}
  .article-purchase-cart-list li{
    display:flex;align-items:flex-start;justify-content:space-between;gap:8px;
    padding:6px 0;border-bottom:1px solid var(--line);font-size:12px;
  }
  .article-purchase-cart-remove{
    border:none;background:transparent;color:#c44;font-size:18px;cursor:pointer;line-height:1;padding:0 4px;
  }
  .article-purchase-checkout-link{
    display:block;text-align:center;padding:8px 12px;background:var(--navy-800);color:var(--white)!important;
    border-radius:6px;font-weight:600;font-size:13px;
  }
  .article-purchase-checkout-link:hover{background:var(--navy-700);}
  .article-purchase-checkout-list{margin:0 0 1rem;padding-left:1.2rem;}

  /* Tooltip đơn giản cho giỏ hàng */
  .icon-tooltip{
    position:absolute;top:calc(100% + 10px);right:0;
    background:var(--navy-900);color:var(--white);
    padding:8px 14px;border-radius:6px;
    font-size:12.5px;font-weight:500;white-space:nowrap;
    opacity:0;visibility:hidden;transform:translateY(6px);
    transition:all .2s;z-index:60;
    box-shadow:var(--shadow);
  }
  .icon-tooltip::before{
    content:'';position:absolute;top:-5px;right:14px;
    width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;
    border-bottom:5px solid var(--navy-900);
  }
  .icon-btn-wrap:hover .icon-tooltip{opacity:1;visibility:visible;transform:translateY(0)}
  .submit-btn{
    background:var(--red-600);color:var(--white);
    padding:10px 18px;border-radius:30px;
    font-weight:600;font-size:13px;letter-spacing:.02em;
    transition:all .2s;display:flex;align-items:center;gap:8px;
    box-shadow:0 4px 12px rgba(200,16,46,.25);
  }
  .submit-btn:hover{background:var(--red-700);transform:translateY(-1px);box-shadow:0 6px 16px rgba(200,16,46,.35)}

  /* ---------- NAV ---------- */
  .nav{background:var(--navy-800);position:relative}
  .nav::before{
    content:'';position:absolute;left:0;right:0;bottom:0;height:3px;
    background:linear-gradient(90deg,var(--red-600) 0%,var(--red-600) 25%,var(--gold-500) 25%,var(--gold-500) 40%,var(--navy-600) 40%);
  }
  .nav-list{
    display:flex;list-style:none;
  }
  .nav-list > li{position:relative}
  .nav-list > li > a{
    display:flex;align-items:center;gap:8px;
    padding:14px 22px;color:rgba(255,255,255,.92);
    font-weight:500;font-size:13.5px;letter-spacing:.03em;
    text-transform:uppercase;
    transition:all .2s;position:relative;
  }
  .nav-list > li > a::after{
    content:'';position:absolute;left:50%;bottom:0;transform:translateX(-50%);
    width:0;height:3px;background:var(--gold-500);transition:width .25s;
  }
  .nav-list > li:hover > a,
  .nav-list > li.active > a{background:rgba(255,255,255,.08);color:var(--white)}
  .nav-list > li.active > a::after{width:60%}
  .nav-list > li:hover > a::after{width:60%}
  .nav-list > li .chevron{font-size:10px;margin-left:2px;opacity:.7;transition:transform .2s}
  .nav-list > li:hover .chevron{transform:rotate(180deg)}

  /* ===== DROPDOWN cơ bản (Hướng dẫn) ===== */
  .dropdown{
    position:absolute;top:100%;left:0;
    background:var(--white);min-width:240px;
    box-shadow:var(--shadow-lg);
    border-radius:0 0 var(--radius) var(--radius);
    opacity:0;visibility:hidden;transform:translateY(6px);
    transition:opacity .2s, visibility .2s, transform .2s;
    border-top:3px solid var(--gold-500);
    z-index:80;
  }
  /* Cầu nối vô hình giữa nav item và dropdown để không mất hover */
  .dropdown::before{
    content:'';position:absolute;top:-8px;left:0;right:0;height:8px;
  }
  .nav-list > li:hover > .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
  .dropdown a{
    display:flex;align-items:center;gap:10px;
    padding:11px 18px;font-size:13px;color:var(--ink-700);
    border-bottom:1px solid var(--line);transition:all .15s;font-weight:500;
    text-decoration:none;
  }
  .dropdown > a:last-child{border-bottom:none}
  .dropdown a:hover{background:var(--sky-50);color:var(--navy-800);padding-left:24px}
  .dropdown a i{color:var(--navy-700);width:16px;font-size:13px;flex-shrink:0}
  .nav-list > li > .dropdown{padding:6px 0}
  .dropdown-submenu{position:relative;border-bottom:1px solid var(--line)}
  .dropdown-submenu:last-child{border-bottom:none}
  .dropdown-submenu > .dropdown{
    top:0;left:100%;margin-left:4px;padding:6px 0;
    border-radius:var(--radius);
    transform:translateX(-4px);
  }
  .dropdown-submenu > .dropdown::before{
    content:'';position:absolute;top:0;left:-8px;width:8px;height:100%;
  }
  .dropdown-submenu:hover > .dropdown{
    opacity:1;visibility:visible;transform:translateX(0);
  }
  .dropdown > .dropdown-submenu:last-child > a{border-bottom:none}
  .dropdown i.chevron{transform:none !important}
  .nav-list > li:has(> .dropdown) > a .chevron,
  .nav-list > li:has(> .mega-menu) > a .chevron,
  .nav-list > li:has(> .mega-journals) > a .chevron,
  .dropdown-submenu > a .chevron{margin-left:auto;font-size:10px;opacity:.7}
  .nav-list > li:has(> .dropdown):hover > a > i.chevron,
  .nav-list > li:has(> .mega-menu):hover > a > i.chevron,
  .nav-list > li:has(> .mega-journals):hover > a > i.chevron{transform:rotate(180deg) !important}

  /* ===== MEGA-MENU (Giới thiệu - 4 cột x 2 hàng) ===== */
  .mega-menu{
    position:absolute;top:100%;left:0;
    background:var(--white);
    box-shadow:var(--shadow-lg);
    border-radius:0 0 var(--radius) var(--radius);
    border-top:3px solid var(--gold-500);
    opacity:0;visibility:hidden;transform:translateY(6px);
    transition:opacity .2s, visibility .2s, transform .2s;
    padding:18px;z-index:80;
    width:max-content;max-width:920px;
  }
  .mega-menu::before{
    content:'';position:absolute;top:-8px;left:0;right:0;height:8px;
  }
  .nav-list > li:hover > .mega-menu{opacity:1;visibility:visible;transform:translateY(0)}
  .mega-grid{
    display:grid;grid-template-columns:repeat(4,minmax(180px,1fr));
    gap:6px;
  }
  .mega-item{
    display:flex;align-items:flex-start;gap:10px;
    padding:11px 12px;border-radius:8px;
    color:var(--ink-700);transition:all .15s;
    line-height:1.3;
  }
  .mega-item:hover{background:var(--sky-50);color:var(--navy-800)}
  .mega-item i{
    width:30px;height:30px;border-radius:7px;
    background:var(--sky-50);color:var(--navy-700);
    display:flex;align-items:center;justify-content:center;
    flex-shrink:0;font-size:12px;
    transition:all .15s;
  }
  .mega-item:hover i{background:var(--navy-800);color:var(--white)}
  .mega-item span{
    font-size:12.5px;font-weight:600;
    display:block;padding-top:6px;
  }

  /* Mega "Giới thiệu" từ CMS: <li> không class — scope theo .mega-menu (khớp website-ajeb-final.html) */
  .nav-list > li:has(> .mega-menu) > .mega-menu{
    width:max-content;
    max-width:920px;
  }
  .nav-list > li:has(> .mega-menu) .mega-grid{
    display:grid;
    grid-template-columns:repeat(4,minmax(180px,1fr));
    grid-template-rows:repeat(2,auto);
    gap:6px;
  }
  .nav-list > li:has(> .mega-menu) .mega-item{
    text-decoration:none;
    min-width:0;
  }

  /* ===== MEGA-MENU 2 CẤP (Tạp chí: 5 tạp chí, mỗi cái có sub-menu 3 nút) ===== */
  .mega-journals{
    position:absolute;top:100%;left:0;
    background:var(--white);
    box-shadow:var(--shadow-lg);
    border-radius:0 0 var(--radius) var(--radius);
    border-top:3px solid var(--gold-500);
    opacity:0;visibility:hidden;transform:translateY(6px);
    transition:opacity .2s, visibility .2s, transform .2s;
    min-width:380px;width:max-content;z-index:80;padding:8px 0;
  }
  .mega-journals::before{
    content:'';position:absolute;top:-8px;left:0;right:0;height:8px;
  }
  .nav-list > li:hover > .mega-journals{opacity:1;visibility:visible;transform:translateY(0)}

  .journal-item{position:relative}
  .journal-item > a{
    display:flex;align-items:center;gap:10px;
    padding:12px 18px;font-size:13px;color:var(--ink-700);
    transition:all .15s;font-weight:500;
    border-left:3px solid transparent;
  }
  .journal-item > a:hover{
    background:var(--sky-50);color:var(--navy-800);
    border-left-color:var(--gold-500);
  }
  .journal-item > a > i:first-child{
    color:var(--navy-700);width:16px;font-size:13px;flex-shrink:0;
  }
  .journal-item > a > span{flex:1;line-height:1.3}
  .journal-item > a > .arrow{
    margin-left:auto;font-size:10px;color:var(--ink-500);
    transition:transform .15s;
  }
  .journal-item:hover > a > .arrow{transform:translateX(3px);color:var(--navy-800)}

  /* Sub-menu của Tạp chí - mở về bên phải khi rê vào tên tạp chí */
  .journal-submenu{
    position:absolute;top:-8px;left:100%;
    background:var(--white);
    box-shadow:var(--shadow-lg);
    border-radius:var(--radius);
    border-top:3px solid var(--gold-500);
    min-width:200px;padding:6px 0;
    opacity:0;visibility:hidden;transform:translateX(-4px);
    transition:opacity .2s, visibility .2s, transform .2s;
    margin-left:4px;
  }
  /* Cầu nối vô hình ngang để không mất hover khi di chuột sang */
  .journal-submenu::before{
    content:'';position:absolute;top:0;left:-8px;width:8px;height:100%;
  }
  .journal-item:hover > .journal-submenu{opacity:1;visibility:visible;transform:translateX(0)}
  .journal-submenu a{
    display:flex;align-items:center;gap:10px;
    padding:10px 16px;font-size:12.5px;color:var(--ink-700);
    transition:all .15s;font-weight:500;
  }
  .journal-submenu a:hover{background:var(--sky-50);color:var(--navy-800);padding-left:20px}
  .journal-submenu a i{color:var(--navy-700);width:14px;font-size:11px;flex-shrink:0}

  /* ---------- ADVANCED SEARCH DROPDOWN (từ icon kính lúp trong header-actions) ---------- */
  /* Panel tìm kiếm nâng cao - hiện khi rê chuột vào icon kính lúp */
  .search-icon-wrap{position:relative}
  .adv-panel{
    position:absolute;top:calc(100% + 10px);right:0;
    width:520px;max-width:calc(100vw - 32px);
    background:var(--white);
    border:1px solid var(--line);border-top:3px solid var(--gold-500);
    border-radius:var(--radius);
    box-shadow:var(--shadow-lg);
    padding:20px;z-index:70;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .2s ease, visibility .2s ease, transform .25s cubic-bezier(.2,.8,.2,1);
  }
  /* "Cầu nối" vô hình giữa icon và panel => rê chuột xuống không mất hover */
  .adv-panel::before{
    content:'';position:absolute;top:-14px;left:0;right:0;height:14px;
  }
  /* Mũi tên nhỏ chỉ lên icon kính lúp */
  .adv-panel::after{
    content:'';position:absolute;top:-9px;right:14px;
    width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;
    border-bottom:6px solid var(--gold-500);
  }
  /* Mở panel khi hover vào icon kính lúp HOẶC hover trực tiếp lên panel */
  .search-icon-wrap:hover .adv-panel,
  .adv-panel:hover,
  .adv-panel.open{
    opacity:1;visibility:visible;transform:translateY(0);
  }
  .adv-panel-grid{
    display:grid;grid-template-columns:1fr 1fr;gap:12px;
  }
  .adv-panel > form{
    width:100%;max-width:100%;
  }
  .adv-panel-grid > .adv-field{
    min-width:0;
  }
  .adv-field{display:flex;flex-direction:column;gap:4px}
  .adv-field label{
    font-size:10.5px;font-weight:700;color:var(--ink-500);
    text-transform:uppercase;letter-spacing:.08em;
  }
  .adv-field input,
  .adv-field select,
  .adv-field .adv-field__select{
    width:100%;min-width:0;
    padding:9px 12px;border:1px solid var(--line);border-radius:6px;
    background:var(--sky-50);font-family:inherit;font-size:13px;
    color:var(--ink-900);transition:all .2s;outline:none;
  }
  .adv-field select,
  .adv-field .adv-field__select{
    cursor:pointer;
    appearance:none;
    -webkit-appearance:none;
    -moz-appearance:none;
    background-color:var(--sky-50);
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235C6A7D' d='M2.5 4.5 6 8l3.5-3.5' stroke='%235C6A7D' stroke-width='1.2' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
    background-repeat:no-repeat;
    background-position:right 12px center;
    background-size:12px;
  }
  .adv-field select:hover,
  .adv-field .adv-field__select:hover{
    border-color:var(--navy-600);
    background-color:var(--white);
  }
  .adv-field input:focus,
  .adv-field select:focus,
  .adv-field .adv-field__select:focus{
    background-color:var(--white);
    border-color:var(--navy-600);
    box-shadow:0 0 0 3px rgba(42,95,168,.08);
  }
  .adv-field select option,
  .adv-field .adv-field__select option{
    background:var(--white);
    color:var(--ink-900);
    padding:8px 12px;
  }
  .adv-panel-footer{
    display:flex;gap:10px;justify-content:flex-end;
    margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  }
  .adv-btn-reset{
    padding:9px 16px;border-radius:6px;
    background:var(--sky-50);color:var(--ink-700);
    font-weight:600;font-size:12.5px;
    transition:all .2s;cursor:pointer;
    display:inline-flex;align-items:center;gap:6px;
  }
  .adv-btn-reset:hover{background:var(--line);color:var(--navy-900)}
  .adv-voliss{
    display:flex;gap:8px;width:100%;min-width:0;align-self:stretch;
  }
  .adv-voliss input{flex:1;min-width:0}
  .adv-btn-reset .fas, .adv-btn-search .fas{margin-right:6px}
  .adv-btn-search{
    padding:9px 20px;border-radius:6px;
    background:var(--navy-800);color:var(--white);
    font-weight:600;font-size:12.5px;
    transition:all .2s;cursor:pointer;
    display:inline-flex;align-items:center;gap:6px;
  }
  .adv-btn-search:hover{background:var(--navy-900)}

  /* ---------- SECTION TITLE ---------- */
  section{padding:72px 0}
  .section-head{margin-bottom:40px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
  .section-title{
    font-family:var(--font-display);font-weight:800;
    font-size:clamp(26px,3vw,36px);color:var(--navy-900);
    line-height:1.15;letter-spacing:-.01em;
    position:relative;padding-left:20px;
  }
  .section-title::before{
    content:'';position:absolute;left:0;top:8px;bottom:8px;width:5px;
    background:linear-gradient(to bottom,var(--red-600) 0%,var(--red-600) 50%,var(--gold-500) 50%,var(--gold-500) 100%);
    border-radius:2px;
  }
  .section-sub{
    font-size:12px;letter-spacing:.18em;text-transform:uppercase;
    color:var(--ink-500);font-weight:600;margin-bottom:6px;
  }
  .section-link{
    color:var(--navy-800);font-weight:600;font-size:13.5px;
    display:inline-flex;align-items:center;gap:8px;
    border-bottom:1.5px solid transparent;padding-bottom:2px;transition:all .2s;
  }
  .section-link:hover{border-color:var(--red-600);color:var(--red-600)}

  /* ---------- TIN TỨC (CAROUSEL) ---------- */
  .news-section{background:var(--white);padding:48px 0}
  .news-section .section-head{margin-bottom:32px}

  .news-carousel{position:relative;padding:0 56px}
  .news-track-wrap{overflow:hidden;border-radius:12px}
  .news-track{
    display:flex;gap:24px;
    transition:transform .55s cubic-bezier(.5,.05,.2,1);
    will-change:transform;
  }
  /* Mỗi thẻ chiếm 1/4 chiều rộng - 24px gap chia đều */
  .news-card{
    flex:0 0 calc((100% - 72px) / 4);
    background:var(--white);
    border-radius:12px;border:1px solid var(--line);
    overflow:hidden;
    transition:transform .25s, box-shadow .25s, border-color .25s;
    text-decoration:none;
    display:flex;flex-direction:column;
  }
  .news-card:hover{
    transform:translateY(-4px);
    box-shadow:0 14px 32px rgba(15,32,57,.12);
    border-color:var(--gold-500);
  }
  /* Poster - placeholder gradient + chữ "ẢNH TIN".
     Dev thay bằng <img src="..."> trong .news-poster là tự động ẩn placeholder. */
  .news-poster{
    aspect-ratio:16/10;
    background:linear-gradient(135deg,var(--sky-50) 0%,var(--sky-100) 100%);
    position:relative;overflow:hidden;
    display:flex;align-items:center;justify-content:center;
    color:rgba(15,32,57,.35);
    font-size:11px;font-weight:700;letter-spacing:.18em;
    text-transform:uppercase;
    border:1px dashed rgba(15,32,57,.15);
    border-bottom:none;
  }
  /* Nền hoa văn nhẹ */
  .news-poster::before{
    content:'';position:absolute;inset:0;
    background-image:repeating-linear-gradient(45deg,rgba(15,32,57,.03) 0 2px,transparent 2px 14px);
    pointer-events:none;
  }
  /* Khi dev thêm <img>, ẩn placeholder text và bỏ viền nét đứt */
  .news-poster:has(img),
  .news-poster:has(svg){border:none;background:var(--sky-50);color:transparent}
  .news-poster:has(img) .poster-placeholder,
  .news-poster:has(svg) .poster-placeholder{display:none}
  /* SVG illustration fills the poster area */
  .news-poster svg{
    position:absolute;inset:0;
    width:100%;height:100%;display:block;
    transition:transform .4s ease;
  }
  .news-card:hover .news-poster svg{transform:scale(1.05)}
  .news-poster img{
    width:100%;height:100%;object-fit:cover;display:block;
    transition:transform .4s ease;
  }
  .news-card:hover .news-poster img{transform:scale(1.05)}
  .poster-placeholder{
    position:relative;z-index:1;
    display:flex;flex-direction:column;align-items:center;gap:10px;
    pointer-events:none;user-select:none;
  }
  .poster-placeholder i{font-size:28px;opacity:.4}

  /* Tiêu đề bên dưới poster - chỉ tiêu đề, không có gì khác */
  .news-title{
    padding:16px 18px 18px;
    font-family:var(--font-display);
    font-size:14.5px;font-weight:700;
    color:var(--navy-900);
    line-height:1.4;
    flex:1;
    transition:color .2s;
    display:-webkit-box;
    -webkit-line-clamp:3;-webkit-box-orient:vertical;
    overflow:hidden;
  }
  .news-card:hover .news-title{color:var(--red-600)}

  /* Nút mũi tên 2 bên */
  .news-arrow{
    position:absolute;top:50%;transform:translateY(-50%);
    width:44px;height:44px;border-radius:50%;
    background:var(--white);
    border:1px solid var(--line);
    box-shadow:0 4px 12px rgba(15,32,57,.1);
    color:var(--navy-800);
    display:flex;align-items:center;justify-content:center;
    cursor:pointer;transition:all .2s;
    z-index:5;font-size:14px;
  }
  .news-arrow:hover{background:var(--navy-800);color:var(--white);border-color:var(--navy-800);box-shadow:0 6px 16px rgba(15,32,57,.2)}
  .news-arrow:disabled{opacity:.35;cursor:not-allowed}
  .news-arrow:disabled:hover{background:var(--white);color:var(--navy-800);border-color:var(--line)}
  .news-arrow.prev{left:0}
  .news-arrow.next{right:0}

  /* Dots indicator */
  .news-dots{
    display:flex;justify-content:center;gap:8px;margin-top:24px;
  }
  .news-dot{
    width:8px;height:8px;border-radius:50%;
    background:var(--ink-300);cursor:pointer;
    transition:all .25s;border:none;
  }
  .news-dot.active{background:var(--navy-800);width:24px;border-radius:4px}
  .news-dot:hover:not(.active){background:var(--ink-500)}

  /* Mobile responsive */
  @media (max-width:1024px){
    .news-card{flex:0 0 calc((100% - 48px) / 3)}
  }
  @media (max-width:768px){
    .news-section{padding:36px 0}
    .news-carousel{padding:0 44px}
    .news-card{flex:0 0 calc((100% - 24px) / 2)}
    .news-arrow{width:38px;height:38px;font-size:12px}
  }
  @media (max-width:520px){
    .news-carousel{padding:0 12px}
    .news-card{flex:0 0 calc(100% - 0px)}
    .news-arrow{display:none}
    .news-track{gap:16px}
  }
  /* ---------- HỘI THẢO (CAROUSEL) ---------- */
  .events-section{background:var(--bg);padding:48px 0}
  .events-section .section-head{margin-bottom:32px}

  .events-carousel{position:relative;padding:0 56px}
  .events-track-wrap{overflow:hidden;border-radius:14px}
  .events-track{
    display:flex;gap:24px;
    transition:transform .55s cubic-bezier(.5,.05,.2,1);
    will-change:transform;
  }

  /* Mỗi thẻ chiếm 1/3 chiều rộng (3 thẻ/lần) */
  .event-card{
    flex:0 0 calc((100% - 48px) / 3);
    background:var(--white);
    border-radius:14px;
    overflow:hidden;
    border:1px solid var(--line);
    transition:transform .25s, box-shadow .25s, border-color .25s;
    text-decoration:none;
    display:flex;flex-direction:column;
    box-shadow:0 6px 18px rgba(15,32,57,.06);
  }
  .event-card:hover{
    transform:translateY(-6px);
    box-shadow:0 18px 40px rgba(15,32,57,.16);
    border-color:var(--gold-500);
  }

  /* Poster - khung nền màu gradient theo từng thẻ.
     Dev thay placeholder bằng <img src="..."> trong .event-poster, CSS :has() tự xử lý ẩn placeholder và bỏ gradient. */
  .event-poster{
    aspect-ratio:16/9;
    position:relative;overflow:hidden;
    display:flex;align-items:center;justify-content:center;
    color:rgba(255,255,255,.6);
    font-size:11px;font-weight:700;letter-spacing:.18em;
    text-transform:uppercase;
  }
  /* Diagonal stripe pattern overlay */
  .event-poster::before{
    content:'';position:absolute;inset:0;
    background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.04) 0 2px,transparent 2px 14px);
    pointer-events:none;
  }
  /* Subtle radial glow */
  .event-poster::after{
    content:'';position:absolute;inset:0;
    background:radial-gradient(circle at 30% 50%,rgba(255,255,255,.12) 0%,transparent 60%);
    pointer-events:none;
  }
  .event-poster:has(img){color:transparent}
  .event-poster:has(img)::before,
  .event-poster:has(img)::after{display:none}
  .event-poster:has(img) .poster-placeholder{display:none}
  .event-poster img{
    width:100%;height:100%;object-fit:cover;display:block;
    transition:transform .4s ease;
  }
  .event-card:hover .event-poster img{transform:scale(1.05)}

  /* Poster background fallback for cards without image */
  .event-poster{background:linear-gradient(135deg,var(--sky-50) 0%,var(--sky-100) 100%)}

  .event-body{
    padding:22px 24px 26px;
    display:flex;flex-direction:column;flex:1;
  }
  .event-name{
    font-family:var(--font-display);
    font-size:17px;font-weight:700;
    color:var(--navy-900);line-height:1.35;
    margin-bottom:14px;
    transition:color .2s;
    display:-webkit-box;
    -webkit-line-clamp:3;-webkit-box-orient:vertical;
    overflow:hidden;
  }
  .event-card:hover .event-name{color:var(--red-600)}
  .event-meta{
    display:flex;flex-direction:column;gap:8px;
    padding-top:14px;border-top:1px solid var(--line);
  }
  .event-line{
    font-size:13px;line-height:1.55;color:var(--ink-700);
    margin:0;
  }
  .event-label{
    color:var(--navy-800);font-weight:700;
    margin-right:6px;
  }
  .event-value{color:var(--ink-700)}

  /* Nút mũi tên 2 bên */
  .events-arrow{
    position:absolute;top:50%;transform:translateY(-50%);
    width:46px;height:46px;border-radius:50%;
    background:var(--white);
    border:1px solid var(--line);
    box-shadow:0 4px 12px rgba(15,32,57,.1);
    color:var(--navy-800);
    display:flex;align-items:center;justify-content:center;
    cursor:pointer;transition:all .2s;
    z-index:5;font-size:14px;
  }
  .events-arrow:hover{background:var(--navy-800);color:var(--white);border-color:var(--navy-800);box-shadow:0 6px 16px rgba(15,32,57,.2)}
  .events-arrow.prev{left:0}
  .events-arrow.next{right:0}

  /* Dots indicator */
  .events-dots{
    display:flex;justify-content:center;gap:8px;margin-top:28px;
  }
  .events-dot{
    width:8px;height:8px;border-radius:50%;
    background:var(--ink-300);cursor:pointer;
    transition:all .25s;border:none;
  }
  .events-dot.active{background:var(--navy-800);width:24px;border-radius:4px}
  .events-dot:hover:not(.active){background:var(--ink-500)}

  /* Mobile responsive */
  @media (max-width:1024px){
    .event-card{flex:0 0 calc((100% - 24px) / 2)}
  }
  @media (max-width:768px){
    .events-section{padding:36px 0}
    .events-carousel{padding:0 44px}
    .event-card{flex:0 0 100%}
    .events-arrow{width:38px;height:38px;font-size:12px}
  }
  @media (max-width:520px){
    .events-carousel{padding:0 12px}
    .events-arrow{display:none}
    .events-track{gap:16px}
  }


  /* === SỐ ĐẶC BIỆT (Premium Border) === */
  .event-card-special{
    border:2px solid var(--gold-500);
    box-shadow:0 8px 24px rgba(212,164,28,.18), 0 0 0 4px rgba(212,164,28,.06);
    background:linear-gradient(180deg,rgba(212,164,28,.03) 0%,var(--white) 22%);
    position:relative;
  }
  .event-card-special:hover{
    box-shadow:0 18px 44px rgba(212,164,28,.3), 0 0 0 4px rgba(212,164,28,.1);
    border-color:var(--gold-600);
    transform:translateY(-8px);
  }
  /* Subtle outer glow on hover */
  .event-card-special::before{
    content:'';position:absolute;inset:-6px;border-radius:18px;
    background:radial-gradient(ellipse at center,rgba(212,164,28,.18) 0%,transparent 70%);
    opacity:0;transition:opacity .3s;z-index:-1;pointer-events:none;
  }
  .event-card-special:hover::before{opacity:1}

  /* Golden banner - horizontal stripe on top of poster */
  .event-special-ribbon{
    position:absolute;top:0;left:0;right:0;z-index:10;
    background:linear-gradient(135deg,var(--gold-600) 0%,var(--gold-500) 50%,#E6BB35 100%);
    color:var(--white);
    font-family:var(--font-sans);
    font-size:10px;font-weight:800;letter-spacing:.08em;
    padding:6px 14px;
    text-transform:uppercase;
    box-shadow:0 2px 8px rgba(212,164,28,.4);
    display:flex;align-items:center;justify-content:center;gap:7px;
    text-align:center;
    text-shadow:0 1px 1px rgba(0,0,0,.15);
  }
  .event-special-ribbon i{
    font-size:10px;color:#FFF6CC;
    filter:drop-shadow(0 0 3px rgba(255,255,255,.6));
    flex-shrink:0;
  }

  /* Slight tint on the title for special card */
  .event-card-special .event-name{
    color:var(--navy-900);
    padding-right:0;
  }
  .event-card-special:hover .event-name{
    color:var(--gold-600);
  }

  /* Star marker next to topic for special */
  .event-card-special .event-meta{
    border-top-color:rgba(212,164,28,.25);
  }

  /* ---------- SỐ MỚI NHẤT (LATEST ISSUE) ---------- */
  .latest-section{background:var(--white);padding:48px 0}
  .latest-head{text-align:center;margin-bottom:40px}
  .latest-title{
    text-align:center;
    font-size:38px;letter-spacing:.04em;
    color:var(--navy-900);
    margin:0;
  }
  .latest-title::before{content:none}

  /* Tabs row */
  .ln-tabs-wrap{
    background:var(--sky-50);
    border-radius:12px;
    padding:8px;
    margin-bottom:36px;
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
  }
  .ln-tabs{
    display:flex;gap:6px;
    min-width:max-content;
  }
  .ln-tab{
    flex:1;min-width:140px;
    padding:12px 16px;
    background:transparent;
    border:none;border-radius:8px;
    cursor:pointer;
    transition:all .2s;
    text-align:center;
    display:flex;flex-direction:column;align-items:center;gap:3px;
    font-family:inherit;
    color:var(--navy-800);
  }
  .ln-tab:hover:not(.active){background:rgba(255,255,255,.6)}
  .ln-tab.active{
    background:var(--navy-800);
    color:var(--white);
    box-shadow:0 4px 12px rgba(15,32,57,.18);
  }
  .ln-tab-name{
    font-family:var(--font-display);
    font-size:13px;font-weight:700;
    letter-spacing:.02em;
    line-height:1.25;
    white-space:nowrap;
  }
  .ln-tab-issue{
    font-size:10.5px;font-weight:600;
    letter-spacing:.05em;
    opacity:.75;
    text-transform:uppercase;
  }
  .ln-tab.active .ln-tab-issue{opacity:.9}

  /* Panels */
  .ln-panels{position:relative}
  .ln-panel{
    display:none;
    animation:fadeInPanel .35s ease;
  }
  .ln-panel.active{display:block}
  @keyframes fadeInPanel{
    from{opacity:0;transform:translateY(8px)}
    to{opacity:1;transform:translateY(0)}
  }

  .ln-panel-grid{
    display:grid;
    grid-template-columns:280px 1fr;
    gap:48px;
    align-items:start;
  }

  /* Cover column */
  .ln-cover-col{position:sticky;top:24px}
  .ln-cover-frame{
    border:1px solid var(--line);
    border-radius:8px;
    overflow:hidden;
    box-shadow:0 8px 24px rgba(15,32,57,.12);
    background:var(--sky-50);
    aspect-ratio:3/4;
    margin-bottom:14px;
    transition:transform .25s, box-shadow .25s;
  }
  .ln-cover-frame:hover{
    transform:translateY(-3px);
    box-shadow:0 14px 32px rgba(15,32,57,.18);
  }
  .ln-cover-frame img{
    width:100%;height:100%;object-fit:cover;display:block;
  }
  .ln-cover-buy{
    display:flex;align-items:center;gap:10px;
    justify-content:center;
  }
  .ln-cover-price{
    font-family:var(--font-display);
    font-size:18px;font-weight:700;
    color:var(--navy-900);
  }
  .ln-cover-btn{
    background:var(--red-600);
    color:var(--white);
    border:none;
    padding:10px 18px;
    border-radius:6px;
    font-size:13px;font-weight:600;
    font-family:inherit;
    cursor:pointer;
    transition:all .2s;
    display:inline-flex;align-items:center;gap:7px;
  }
  .ln-cover-btn i{font-size:11px}
  .ln-cover-btn:hover{
    background:#A30E27;
    transform:translateY(-1px);
    box-shadow:0 4px 10px rgba(200,16,46,.3);
  }

  /* Articles column */
  .ln-articles-col{padding-top:4px}
  .ln-articles-list{
    list-style:none;margin:0;padding:0;
    display:flex;flex-direction:column;
  }
  .ln-article{border-bottom:1px solid var(--line)}
  .ln-article:last-child{border-bottom:none}
  .ln-article-link{
    display:block;
    padding:18px 0 16px;
    text-decoration:none;
    color:inherit;
    transition:padding-left .25s;
  }
  .ln-article-link:hover{padding-left:8px}
  .ln-article-title{
    font-family:var(--font-display);
    font-size:15.5px;font-weight:700;
    color:var(--navy-900);
    line-height:1.4;
    margin:0 0 6px;
    transition:color .2s;
  }
  .ln-article-link:hover .ln-article-title{color:var(--red-600)}
  .ln-article-authors{
    font-size:12.5px;
    color:var(--ink-700);
    margin:0 0 10px;
    line-height:1.45;
  }
  .ln-article-foot{
    display:flex;align-items:center;gap:14px;
    font-size:12.5px;
  }
  .ln-article-price{
    color:var(--ink-700);
    font-weight:600;
  }
  .ln-article-buy{
    color:var(--red-600);
    display:inline-flex;align-items:center;gap:5px;
    font-weight:600;
    transition:opacity .2s;
  }
  .ln-article-buy i{font-size:11px}
  .ln-article-link:hover .ln-article-buy{opacity:.85}

  /* Responsive */
  @media (max-width:900px){
    .ln-panel-grid{
      grid-template-columns:1fr;
      gap:32px;
    }
    .ln-cover-col{
      position:static;
      max-width:280px;
      margin:0 auto;
    }
    .ln-tab{min-width:120px;padding:10px 12px}
    .ln-tab-name{font-size:12px}
    .ln-tab-issue{font-size:10px}
  }
  @media (max-width:600px){
    .latest-section{padding:36px 0}
    .latest-title{font-size:28px}
    .ln-article-title{font-size:14.5px}
  }

  /* ---------- CHỈ MỤC (INDEXING) ---------- */
.index-section {
    background: var(--background-color-index-section);
    padding: 48px 0
}
  .index-head{text-align:center;margin-bottom:36px}
  .index-title{
    text-align:center;
    font-size:34px;letter-spacing:.04em;
    color:var(--navy-900);
    margin:0;
  }
  .index-title::before{content:none}

  /* Grid: 5 columns x 2 rows (5 + 4 = 9 logos) */
  .index-grid{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:24px;
    align-items:center;
  }

  .idx-card{
    display:flex;align-items:center;justify-content:center;
    background:var(--white);
    border:1px solid var(--line);
    border-radius:10px;
    padding:22px 18px;
    min-height:100px;
    transition:all .3s ease;
    text-decoration:none;
  }
  .idx-card:hover{
    transform:translateY(-3px);
    box-shadow:0 10px 24px rgba(15,32,57,.12);
    border-color:var(--gold-500);
  }
  .idx-card img{
    max-width:100%;
    max-height:60px;
    width:auto;height:auto;
    object-fit:contain;
/*    filter:grayscale(60%);*/
    opacity:.85;
    transition:filter .3s ease, opacity .3s ease;
  }
  .idx-card:hover img{
    filter:grayscale(0%);
    opacity:1;
  }

  /* VJOL has square aspect ratio - allow taller display */
  .idx-card[aria-label*="VJOL"] img{max-height:78px}
  /* IDEAS, EconBiz are quite tall - constrain a bit more */
  .idx-card[aria-label*="IDEAS"] img,
  .idx-card[aria-label*="EconBiz"] img{max-height:54px}

  /* Mobile responsive */
  @media (max-width:1024px){
    .index-grid{grid-template-columns:repeat(3,1fr)}
  }
  @media (max-width:600px){
    .index-section{padding:36px 0}
    .index-title{font-size:26px}
    .index-grid{grid-template-columns:repeat(2,1fr);gap:16px}
    .idx-card{padding:18px 14px;min-height:84px}
    .idx-card img{max-height:48px}
  }

  /* ---------- BẢN QUYỀN VÀ TRÁCH NHIỆM MIỄN TRỪ ---------- */
  .copyright-section{
    background:var(--sky-100);
    padding:48px 0;
  }
  .copyright-card{
    max-width:1000px;
    margin:0 auto;
    background:var(--white);
    border-radius:12px;
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:0 4px 16px rgba(15,32,57,.06);
  }
  .copyright-head{
    background:linear-gradient(135deg,var(--navy-700) 0%,var(--navy-800) 100%);
    padding:18px 28px;
  }
  .copyright-title{
    margin:0;
    color:var(--white);
    font-family:var(--font-display);
    font-size:18px;
    font-weight:700;
    letter-spacing:.04em;
    display:flex;align-items:center;gap:12px;
  }
  .copyright-title i{
    font-size:18px;color:var(--gold-300);
  }
  .copyright-body{
    padding:28px 36px 32px;
    color:var(--ink-700);
    font-size:14.5px;
    line-height:1.75;
    text-align:justify;
  }
  .copyright-body p{
    margin:0 0 14px;
  }
  .copyright-body p:last-child{margin-bottom:0}
  .copyright-list{
    margin:8px 0 16px;
    padding-left:24px;
  }
  .copyright-list li{
    margin-bottom:8px;
    line-height:1.7;
    padding-left:6px;
  }
  .copyright-list li::marker{
    color:var(--red-600);
  }

  /* Mobile */
  @media (max-width:768px){
    .copyright-section{padding:36px 0}
    .copyright-head{padding:14px 20px}
    .copyright-title{font-size:15px;letter-spacing:.02em}
    .copyright-body{padding:22px 22px 24px;font-size:13.5px;line-height:1.7}
  }

  /* ---------- FOOTER ---------- */
.footer {
    background: linear-gradient(135deg,var(--navy-700) 0%,var(--navy-800) 100%);
    color: rgba(255,255,255,.7);
    padding-top: 60px
}
  .footer-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
  .footer h5{
    color:var(--white);font-size:12px;font-weight:700;
    letter-spacing:.15em;text-transform:uppercase;margin-bottom:18px;
    padding-bottom:10px;border-bottom:2px solid var(--gold-500);display:inline-block;
  }
  .footer-brand .brand{color:var(--white);margin-bottom:18px}
  .footer-brand .brand-title{color:var(--white);font-size:20px}
  .footer-brand .brand-small{color:var(--gold-500)}
  .footer-desc{font-size:13px;line-height:1.7;margin-bottom:18px}
  .footer-legal{font-size:12px;line-height:1.7;color:rgba(255,255,255,.55)}
  .footer-legal b{color:rgba(255,255,255,.85)}

  .footer-col ul{list-style:none}
  .footer-col li{margin-bottom:9px}
  .footer-col a{font-size:13px;color:rgba(255,255,255,.65);transition:all .2s;display:inline-flex;align-items:center;gap:8px}
  .footer-col a:hover{color:var(--gold-500);transform:translateX(3px)}
  .footer-col a i{font-size:10px;opacity:.6}

  .contact-info{display:flex;flex-direction:column;gap:14px}
  .contact-info div{display:flex;gap:12px;font-size:13px;line-height:1.55}
  .contact-info i{
    width:32px;height:32px;border-radius:8px;
    background:rgba(201,162,39,.1);color:var(--gold-500);
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
    font-size:12px;
  }
  .contact-info b{color:var(--white);display:block;margin-bottom:2px;font-weight:600}
  .contact-info span{color:rgba(255,255,255,.65)}

  .socials{display:flex;gap:10px;margin-top:18px}
  .socials a{
    width:38px;height:38px;border-radius:8px;
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);
    display:flex;align-items:center;justify-content:center;
    color:rgba(255,255,255,.8);transition:all .2s;
  }
  .socials a:hover{background:var(--gold-500);color:var(--ink-900);border-color:var(--gold-500);transform:translateY(-2px)}

  .editors-box{
    background:rgba(255,255,255,.04);border-radius:var(--radius);
    padding:16px;margin-top:16px;border-left:3px solid var(--gold-500);
  }
  .editors-box div{margin-bottom:8px;font-size:12.5px}
  .editors-box div:last-child{margin-bottom:0}
  .editors-box span{display:block;color:rgba(255,255,255,.5);font-size:11px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:2px}
  .editors-box b{color:var(--white);font-weight:600}

  .footer-bottom{
    padding:22px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
    font-size:12px;color:rgba(255,255,255,.45);
  }
  .footer-bottom b{color:rgba(255,255,255,.75)}
  .footer-bottom .divider{margin:0 10px}

  /* ---------- LANGUAGE SWITCHING ---------- */
  [data-lang="vi"] .en-only{display:none}
  [data-lang="en"] .vi-only{display:none}
  html.layout-ui-vi .en-only{display:none}
  html.layout-ui-en .vi-only{display:none}

  /* ---------- RESPONSIVE ---------- */
  @media (max-width:1024px){
    .hero-grid{grid-template-columns:1fr;gap:40px}
    .cover-showcase{height:420px}
    .layout{grid-template-columns:1fr}
    .sidebar{position:static}
    .publications-grid,.events-grid{grid-template-columns:1fr 1fr}
    .stats-grid{grid-template-columns:1fr 1fr;gap:40px 32px}
    .stat-item:nth-child(2)::after{display:none}
  }
  @media (max-width:768px){
    .header-main{grid-template-columns:auto 1fr;gap:16px}
    .nav-list{overflow-x:auto;flex-wrap:nowrap}
    .nav-list > li > a{white-space:nowrap}
    /* Mega-menus thu hẹp lại trên mobile để vừa màn hình */
    .mega-menu{max-width:calc(100vw - 16px);width:calc(100vw - 16px);left:8px}
    .mega-grid{grid-template-columns:repeat(2,1fr)}
    .nav-list > li:has(> .mega-menu) .mega-grid{grid-template-columns:repeat(2,1fr)}
    .mega-journals{min-width:calc(100vw - 16px);max-width:calc(100vw - 16px);left:8px}
    .journal-submenu{
      position:static;opacity:1;visibility:visible;transform:none;
      box-shadow:none;border-top:none;border-left:3px solid var(--gold-500);
      margin-left:24px;border-radius:0;
      display:none;
    }
    .journal-item:hover > .journal-submenu{display:block}
    .article-card.featured{grid-column:1/-1;grid-template-columns:1fr}
    .featured-grid,.publications-grid,.events-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
    .stats-grid{grid-template-columns:1fr 1fr}
    .adv-panel{width:calc(100vw - 24px);right:-8px}
    .adv-panel-grid{grid-template-columns:1fr}
    section{padding:56px 0}
  }

  /* ============ JOURNALS SECTION (Phương án B - thay thế Hero) ============ */
  .journals-section{
    padding:48px 0;
    background:linear-gradient(180deg,var(--white) 0%,var(--sky-50) 100%);
    position:relative;
  }
  .journals-section .section-head{
    display:block;
    text-align:center;max-width:820px;margin:0 auto 52px;
  }
  .journals-section h2{
    font-family:var(--font-display);
    font-size:46px;font-weight:800;line-height:1.15;
    color:var(--navy-900);margin-bottom:0;
    letter-spacing:-.01em;
  }

  /* === LƯỚI 5 TẠP CHÍ (cùng kích thước) === */
  .journals-grid{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:20px;
    max-width:1280px;margin:0 auto;
  }

  .journal-card{
    background:var(--white);
    border-radius:14px;
    overflow:hidden;
    box-shadow:0 6px 20px rgba(15,32,57,.06);
    border:1px solid var(--line);
    transition:transform .25s, box-shadow .25s, border-color .25s;
    display:flex;flex-direction:column;
    position:relative;
  }
  .journal-card:hover{
    transform:translateY(-6px);
    box-shadow:0 16px 36px rgba(15,32,57,.14);
    border-color:var(--gold-500);
  }
  .journal-card .cover-frame{
    position:relative;
    aspect-ratio:3/4;
    background:linear-gradient(135deg,var(--sky-50) 0%,var(--sky-100) 100%);
    overflow:hidden;
    display:flex;align-items:center;justify-content:center;
  }
  .journal-card .cover-frame img{
    width:100%;height:100%;object-fit:cover;object-position:center;
    transition:transform .4s ease;
  }
  .journal-card:hover .cover-frame img{transform:scale(1.04)}
  .journal-card .cover-badge{
    position:absolute;bottom:10px;left:10px;
    background:var(--navy-800);color:var(--white);
    font-size:9.5px;font-weight:700;letter-spacing:.1em;
    padding:5px 10px;border-radius:30px;
    text-transform:uppercase;
    box-shadow:0 4px 10px rgba(15,32,57,.25);
    z-index:2;
    display:inline-flex;align-items:center;gap:5px;
  }
  .journal-card .cover-badge::before{
    content:'\2605';font-size:9px;
  }
  .journal-card .cover-badge.eng{background:var(--red-600)}
  .journal-card .cover-badge.pub{background:var(--gold-600)}
  .journal-card .card-body{
    padding:16px 16px 18px;
    display:flex;flex-direction:column;flex:1;
  }
  .journal-card .card-name{
    font-family:var(--font-display);
    font-size:14.5px;font-weight:700;
    color:var(--navy-900);line-height:1.3;
    margin-bottom:8px;min-height:38px;
  }
  .journal-card .card-issn{
    font-size:10.5px;font-weight:600;letter-spacing:.03em;
    color:var(--ink-700);margin-bottom:11px;
    font-family:var(--font-sans);
    display:flex;flex-direction:column;gap:2px;
  }
  .journal-card .card-issn .issn-main{
    color:var(--navy-800);font-weight:700;font-size:11px;
  }
  .journal-card .card-issn .issn-old{
    color:var(--ink-500);font-size:10px;font-weight:500;
  }
  .journal-card .card-issn .issn-old b{color:var(--ink-700);font-weight:600}
  .journal-card .card-desc{
    font-size:11.5px;line-height:1.55;color:var(--ink-700);
    margin-bottom:12px;flex:1;
  }
  .journal-card .card-tags{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:4px;margin-bottom:12px;
  }
  .journal-card .card-tags span{
    font-size:9px;font-weight:600;
    padding:4px 4px;border-radius:30px;
    background:var(--sky-50);color:var(--navy-700);
    border:1px solid var(--line);
    text-align:center;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
    line-height:1.2;
  }
  .journal-card .card-actions{
    display:flex;gap:6px;
  }
  .journal-card .card-actions a{
    flex:1;text-align:center;
    padding:8px 8px;border-radius:7px;
    font-size:10.5px;font-weight:600;
    transition:all .2s;
    display:inline-flex;align-items:center;justify-content:center;gap:4px;
    white-space:nowrap;
  }
  .journal-card .btn-issue{
    background:var(--navy-800);color:var(--white);
  }
  .journal-card .btn-issue:hover{background:var(--navy-900);transform:translateY(-1px)}
  .journal-card .btn-detail{
    background:var(--white);color:var(--navy-800);
    border:1.5px solid var(--line);
  }
  .journal-card .btn-detail:hover{border-color:var(--navy-800);background:var(--sky-50)}

  /* === Responsive === */
  @media (max-width:1200px){
    .journals-grid{grid-template-columns:repeat(3,1fr);max-width:900px}
  }
  @media (max-width:1024px){
    .journals-grid{grid-template-columns:repeat(3,1fr)}
  }
  @media (max-width:768px){
    .journals-section{padding:36px 0}
    .journals-section h2{font-size:30px}
    .journals-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  }
  @media (max-width:520px){
    .journals-grid{grid-template-columns:1fr;max-width:380px}
  }

  /* ========== CRM public layout (một nguồn CSS; trước đây tách theme + inline _Layout) ========== */
  
  .site-footer-top{
    display:flex;
    justify-content:space-between;
    gap:40px;
    align-items:flex-start;
    padding:8px 12px 12px 12px;
  }
  .site-footer-col{
    width:50%;
    line-height:1.35;
  }
  .site-footer-col p{margin:0}
  .site-footer-col-right{text-align:right}
  .site-footer-bottom{text-align:center}
  @media (max-width:991px){
    .site-footer-top{flex-direction:column;gap:16px}
    .site-footer-col,
    .site-footer-col-right{width:100%;text-align:left;font-size:16px}
    .site-footer-bottom{font-size:17px}
  }

  /* Home partials: latest issue article list */
  .latest-article-meta{color:var(--ink-500);margin:4px 0}
  .latest-article-actions a,
  .latest-article-detail-link a{
    color:var(--navy-700);
    font-weight:600;
    text-decoration:none;
  }
  .latest-article-actions a:hover,
  .latest-article-detail-link a:hover{color:var(--red-600)}
  .latest-article-abstract-box{
    display:none;
    border:1px solid var(--line);
    padding:10px 12px;
    margin-top:8px;
    background:var(--sky-50);
    border-radius:8px;
    font-size:13px;
  }
  .browse-short-item__meta{color:var(--ink-500);font-size:13px;margin:4px 0}
  .browse-short-item__actions{margin-top:6px;font-size:13px;font-weight:600}
  .browse-short-item__actions a{color:var(--navy-700);text-decoration:none}
  .browse-short-item__actions a:hover{color:var(--red-600)}
  .browse-short-abstract{
    display:none;
    margin-top:8px;
    padding:10px 12px;
    border:1px solid var(--line);
    border-radius:8px;
    background:var(--sky-50);
    font-size:13px;
  }

  /* Home partial: legacy news short widget */
  .home-news-short{margin:24px 0}
  .home-news-short__title{
    font-family:var(--font-display);
    font-size:clamp(22px,2.5vw,28px);
    font-weight:800;
    color:var(--navy-900);
    margin:0 0 16px;
    padding-bottom:10px;
    border-bottom:2px solid var(--red-600);
  }
  .home-news-short__grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
    gap:16px;
  }
  .home-news-short__card{
    border:1px solid var(--line);
    border-radius:10px;
    padding:12px;
    background:var(--white);
  }
  .home-news-short__image-link img{
    width:100%;
    max-height:160px;
    object-fit:cover;
    border-radius:6px;
    margin-bottom:10px;
  }
  .home-news-short__card-title{
    font-size:15px;
    font-weight:700;
    margin:0 0 6px;
    line-height:1.35;
  }
  .home-news-short__card-title a{color:var(--navy-900);text-decoration:none}
  .home-news-short__card-title a:hover{color:var(--red-600)}
  .home-news-short__date{font-size:12px;color:var(--ink-400);display:block;margin-bottom:6px}
  .home-news-short__summary{font-size:14px;color:var(--ink-700);line-height:1.5;margin:0}