/*! Custom Bootstrap 3.3.7 Grid & Forms cho lapdatwifivnpt.vn */
*{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}:after,:before{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}
html{-webkit-tap-highlight-color:rgba(0,0,0,0)}
.container{padding-right:15px;padding-left:15px;margin-right:auto;margin-left:auto}@media (min-width:768px){.container{width:750px}}@media (min-width:992px){.container{width:970px}}@media (min-width:1200px){.container{width:1170px}}
.row{margin-right:-15px;margin-left:-15px}
.col-xs-6,.col-sm-3,.col-sm-5,.col-sm-6,.col-sm-7,.col-sm-12,.col-md-3,.col-md-4,.col-md-5,.col-md-6,.col-md-7,.col-md-8,.col-lg-3{position:relative;min-height:1px;padding-right:15px;padding-left:15px}
.col-xs-6{float:left;width:50%}
@media (min-width:768px){.col-sm-3,.col-sm-5,.col-sm-6,.col-sm-7,.col-sm-12{float:left}.col-sm-12{width:100%}.col-sm-7{width:58.33333333%}.col-sm-6{width:50%}.col-sm-5{width:41.66666667%}.col-sm-3{width:25%}}
@media (min-width:992px){.col-md-3,.col-md-4,.col-md-5,.col-md-6,.col-md-7,.col-md-8{float:left}.col-md-8{width:66.66666667%}.col-md-7{width:58.33333333%}.col-md-6{width:50%}.col-md-5{width:41.66666667%}.col-md-4{width:33.33333333%}.col-md-3{width:25%}}
@media (min-width:1200px){.col-lg-3{float:left;width:25%}}
.container:after,.container:before,.row:after,.row:before{display:table;content:" "}.container:after,.row:after{clear:both}
.text-center{text-align:center}.text-uppercase{text-transform:uppercase}
.form-control{display:block;width:100%;height:34px;padding:6px 12px;font-size:14px;line-height:1.42857143;color:#555;background-color:#fff;background-image:none;border:1px solid #ccc;border-radius:4px;-webkit-box-shadow:inset 0 1px 1px rgba(0,0,0,.075);box-shadow:inset 0 1px 1px rgba(0,0,0,.075);-webkit-transition:border-color ease-in-out .15s,-webkit-box-shadow ease-in-out .15s;transition:border-color ease-in-out .15s,box-shadow ease-in-out .15s}
.form-control:focus{border-color:#66afe9;outline:0;-webkit-box-shadow:inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgba(102,175,233,.6);box-shadow:inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgba(102,175,233,.6)}
.form-control::-moz-placeholder{color:#999;opacity:1}.form-control:-ms-input-placeholder{color:#999}.form-control::-webkit-input-placeholder{color:#999}.form-control::-ms-expand{background-color:transparent;border:0}
.form-control[disabled],.form-control[readonly],fieldset[disabled] .form-control{background-color:#eee;opacity:1}.form-control[disabled],fieldset[disabled] .form-control{cursor:not-allowed}textarea.form-control{height:auto}
.navbar-nav{margin:7.5px -15px}.navbar-nav>li>a{padding-top:10px;padding-bottom:10px;line-height:20px}@media (max-width:767px){.navbar-nav .open .dropdown-menu{position:static;float:none;width:auto;margin-top:0;background-color:transparent;border:0;-webkit-box-shadow:none;box-shadow:none}.navbar-nav .open .dropdown-menu .dropdown-header,.navbar-nav .open .dropdown-menu>li>a{padding:5px 15px 5px 25px}.navbar-nav .open .dropdown-menu>li>a{line-height:20px}.navbar-nav .open .dropdown-menu>li>a:focus,.navbar-nav .open .dropdown-menu>li>a:hover{background-image:none}}@media (min-width:768px){.navbar-nav{float:left;margin:0}.navbar-nav>li{float:left}.navbar-nav>li>a{padding-top:15px;padding-bottom:15px}}
.caret{display:inline-block;width:0;height:0;margin-left:2px;vertical-align:middle;border-top:4px dashed;border-top:4px solid\9;border-right:4px solid transparent;border-left:4px solid transparent}.dropup .caret,.navbar-fixed-bottom .dropdown .caret{content:"";border-top:0;border-bottom:4px dashed;border-bottom:4px solid\9}
.table{width:100%;max-width:100%;margin-bottom:20px;border-spacing:0;border-collapse:collapse}.table>tbody>tr>td,.table>tbody>tr>th,.table>tfoot>tr>td,.table>tfoot>tr>th,.table>thead>tr>td,.table>thead>tr>th{padding:8px;line-height:1.42857143;vertical-align:top;border-top:1px solid #ddd}.table>thead>tr>th{vertical-align:bottom;border-bottom:2px solid #ddd}.table>caption+thead>tr:first-child>td,.table>caption+thead>tr:first-child>th,.table>colgroup+thead>tr:first-child>td,.table>colgroup+thead>tr:first-child>th,.table>thead:first-child>tr:first-child>td,.table>thead:first-child>tr:first-child>th{border-top:0}.table>tbody+tbody{border-top:2px solid #ddd}

/* --- KẾT THÚC BOOTSTRAP --- */
/* BẮT ĐẦU CODE STYLE.CSS TỪ ĐÂY (GIỮ NGUYÊN BÊN DƯỚI) */
/* === ROBOTO SELF-HOST (TỐI ƯU NHẤT) === */
/*1. Variable*/
/* ==========================================================================
   2. BASE (CẤU HÌNH FONT & ĐỊNH DẠNG CƠ BẢN)
   ========================================================================== */

/* === ROBOTO SELF-HOST (TỐI ƯU NHẤT) === */
@font-face {
  font-family: 'Roboto';
  src: url('/themes/vnpt/font/Roboto/subset-Roboto-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Roboto';
  src: url('/themes/vnpt/font/Roboto/subset-Roboto-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Roboto';
  src: url('/themes/vnpt/font/Roboto/subset-Roboto-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
/* --------------------------------------------------------------------------
   GLOBAL VARIABLES & FONT OPTIMIZED
   -------------------------------------------------------------------------- */
:root {
    /* SVG Icons */
    --icon-menu-1: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z'%3E%3C/path%3E%3Cpolyline points='9 22 9 12 15 12 15 22'%3E%3C/polyline%3E%3C/svg%3E");
    --icon-menu-2: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.55a11 11 0 0 1 14.08 0'%3E%3C/path%3E%3Cpath d='M1.42 9a16 16 0 0 1 21.16 0'%3E%3C/path%3E%3Cpath d='M8.53 16.11a6 6 0 0 1 6.95 0'%3E%3C/path%3E%3Cline x1='12' y1='20' x2='12.01' y2='20'%3E%3C/line%3E%3C/svg%3E");
    --icon-menu-3: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2' y='7' width='20' height='14' rx='2' ry='2'%3E%3C/rect%3E%3Cpath d='M16 21V5a2 2 0 0 0-2-2h-4a2 2 0 0 0-2 2v16'%3E%3C/path%3E%3C/svg%3E");
    --icon-menu-4: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 12 20 22 4 22 4 12'%3E%3C/polyline%3E%3Crect x='2' y='7' width='20' height='5'%3E%3C/rect%3E%3Cline x1='12' y1='22' x2='12' y2='7'%3E%3C/line%3E%3Cpath d='M12 7H7.5a2.5 2.5 0 0 1 0-5C11 2 12 7 12 7z'%3E%3C/path%3E%3Cpath d='M12 7h4.5a2.5 2.5 0 0 0 0-5C13 2 12 7 12 7z'%3E%3C/path%3E%3C/svg%3E");
    --icon-menu-5: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2' y='7' width='20' height='15' rx='2' ry='2'%3E%3C/rect%3E%3Cpolyline points='17 2 12 7 7 2'%3E%3C/polyline%3E%3C/svg%3E");
    --icon-menu-6: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 18v-6a9 9 0 0 1 18 0v6'%3E%3C/path%3E%3Cpath d='M21 19a2 2 0 0 1-2 2h-1a2 2 0 0 1-2-2v-3a2 2 0 0 1 2-2h3zM3 19a2 2 0 0 0 2 2h1a2 2 0 0 0 2-2v-3a2 2 0 0 0-2-2H3z'%3E%3C/path%3E%3C/svg%3E");
    --icon-double-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='13 17 18 12 13 7'%3E%3C/polyline%3E%3Cpolyline points='6 17 11 12 6 7'%3E%3C/polyline%3E%3C/svg%3E");
    --icon-breadcrumb-sep: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='5' y1='12' x2='19' y2='12'%3E%3C/line%3E%3Cpolyline points='12 5 19 12 12 19'%3E%3C/polyline%3E%3C/svg%3E");
    --icon-link-overlay: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23333333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71'%3E%3C/path%3E%3Cpath d='M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71'%3E%3C/path%3E%3C/svg%3E");
    --icon-sidebar-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23333333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --icon-hot-starburst: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpolygon points='50,5 62,30 90,15 75,42 98,60 72,70 75,95 50,80 25,95 28,70 2,60 25,42 10,15 38,30' fill='%23FFFF00' stroke='%23FF0000' stroke-width='4' stroke-linejoin='round'/%3E%3Ctext x='50' y='61' font-family='Arial,sans-serif' font-size='30' font-weight='900' fill='%23FF0000' text-anchor='middle' transform='rotate(-15, 50, 50)'%3EHOT%3C/text%3E%3C/svg%3E");    
    --icon-check-footer: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");

    /* Brand Colors */
    --vnpt-blue: #005da4;
    --vnpt-blue-dark: #004b87;
    --vnpt-gold: #ffcc00;
    --white: #ffffff;
}

html, body {
    font-family: 'Roboto', Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #000;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
/* --------------------------------------------------------------------------
   GLOBAL FONT – OPTIMIZED
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto', Arial, Helvetica, sans-serif;
    font-weight: 700;
}

/* --------------------------------------------------------------------------
   ELEMENTS (ĐỊNH DẠNG THẺ CƠ BẢN)
   -------------------------------------------------------------------------- */
a,
a:focus,
a:hover {
    text-decoration: none;
}

img,
.box-img img {
    height: auto;
    max-width: 100%;
}
/* ==========================================================================
   3. LAYOUT (CẤU TRÚC DÀN TRANG CHUNG)
   ========================================================================== */

/* Khung bọc toàn bộ nội dung, ngăn chặn cuộn ngang thừa */
#wrapper {
    overflow: hidden;
}

/* Chiều rộng tối đa của nội dung (Responsive Container) */
.mw-1800 {   
    max-width: 1800px;
    width: 100%;
    margin: 0 auto;
}

/* Khoảng cách trên – dưới mặc định cho mỗi khối nội dung (Section) */
.p-section {
    padding-top: 40px;
    padding-bottom: 60px;
}
/*4. Component*/
/* ==========================================================================
   4.1. HEADER & NAVIGATION MENU (TOP HEADER, MAIN MENU, DROPDOWN)
   ========================================================================== */
/* --------------------------------------------------------------------------
   A. TOP HEADER (MẶC ĐỊNH & CUSTOM TỪ HEADER.TWIG)
   -------------------------------------------------------------------------- */
.top-header {
    padding-top: 0;
    position: relative;
    z-index: 2;
}
.top-header .right ul {
    list-style: none;
    padding-left: 0;
}
/* Custom Top Header */
.custom-top-header {
    padding: 10px 0;
    background: #fff;
    border-bottom: 1px solid #eee;
}
.header-flex-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

/* Logo & Utilities */
.logo { padding-bottom: 10px; }
.logo .box-img { background-color: unset; }
.logo-img { width: 120px; height: auto; }
.logo-img-custom { width: 180px; height: 60px; object-fit: contain; }

/* Trust Badges */
.header-trust-badges { display: flex; flex-direction: column; align-items: center; }
.badge-title { font-weight: bold; color: #004990; font-size: 20px; margin-bottom: 8px; text-transform: uppercase; }
.badge-list { display: flex; gap: 25px; }
.badge-item { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; line-height: 1.3; color: #333; }
.badge-item svg { width: 26px; height: 26px; stroke: #004990; }

/* Contact & Hotline */
.header-contact { display: flex; align-items: center; gap: 8px; }
.header-contact-info { display: flex; flex-direction: column; }
.contact-label { font-size: 12px; color: #666; font-weight: 600; }
.contact-number { font-size: 22px; font-weight: 800; color: #000; text-decoration: none; line-height: 1; }
.contact-number:hover { color: #004990; text-decoration: none; }

.icon-ringing {
    width: 32px;
    height: 32px;
    stroke: #004990;
    fill: none;
    transform-origin: center;
    will-change: transform;
    transform: translateZ(0); 
    animation: ringing 3s infinite ease-in-out;
}
@keyframes ringing {
    0%  { transform: rotate(0deg); }
    3%  { transform: rotate(15deg); }
    6%  { transform: rotate(-12deg); }
    9%  { transform: rotate(10deg); }
    12% { transform: rotate(-8deg); }
    15% { transform: rotate(4deg); }
    18% { transform: rotate(-2deg); }
    20%, 100% { transform: rotate(0deg); } 
}

/* Nút Call to Action (Đăng Ký) */
.header-action .btn-register-cta {
    background-color: #f7d000;
    color: #000;
    font-weight: 700;
    font-size: 15px;
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
.header-action .btn-register-cta:hover {
    background-color: #e5c100;
    transform: translateY(-2px);
    color: #000;
    text-decoration: none;
}

/* --------------------------------------------------------------------------
   B. CẤU TRÚC MENU CHÍNH (MAIN MENU LEVEL 1) & STICKY
   -------------------------------------------------------------------------- */
.lz-top-menu {
    margin-top: 0;
}
.lz-top-menu ul { padding-left: 0; }
.lz-top-menu li { list-style: none; position: relative; }
.lz-top-menu.sticky {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    margin-top: 0;
    z-index: 100;
    box-shadow: 0 2px 2px 0 rgba(0,0,0,.15);
}
.lz-top-menu .lz-top-menu-content {
     margin: 0;
    padding-left: 0;
    display: flex;
    justify-content: center;
    position: relative;
    min-height: 70px;
    margin-bottom: 0;
    z-index: 100;
}
.lz-top-menu-content::before {
    content: ""; position: absolute; top: 0; bottom: 0; left: -5000px; width: 10000px; background-color: #005da4; z-index: -1; transition: .35s all ease;
}

/* Tối ưu Chữ Menu Cấp 1 */
.menu-lv1,
.navbar-nav > li > a {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0;
    color: #ffffff;
    text-decoration: none;
    padding: 15px 14px; 
    display: block;
    transition: color 0.3s ease;
}
.menu-lv1:hover,
.navbar-nav > li > a:hover { 
    color: #ffb800; 
}

/* Trạng thái Hover / Active Menu Cấp 1 */
.lz-top-menu-content li.active > a,
.lz-top-menu-content li:hover > a {
    background-color: #005da4;
}

/* Tích hợp ICON SVG cho 6 mục Menu Cấp 1 */
/* --- Base Styles --- */
.lz-top-menu-content > li:nth-child(-n+6) > a { 
    padding-left: 36px; 
    position: relative; 
}
/* --- Pseudo-element Setup --- */
.lz-top-menu-content > li:nth-child(-n+6) > a::before {
    content: ''; 
    position: absolute; 
    left: 12px; 
    top: 50%; 
    transform: translateY(-50%); 
    width: 18px; 
    height: 18px; 
    background-color: #ffffff; 
    -webkit-mask-size: contain; 
    mask-size: contain; 
    -webkit-mask-repeat: no-repeat; 
    mask-repeat: no-repeat; 
    -webkit-mask-position: center; 
    mask-position: center; 
    transition: all 0.3s ease;
}

/* --- Hover State --- */
.lz-top-menu-content > li:nth-child(-n+6):hover > a::before { 
    background-color: #ffcc00; 
}

/* --- Individual SVG Icons (Dùng chung biến đã loại bỏ quan trọng) --- */
.lz-top-menu-content > li:nth-child(1) > a::before { -webkit-mask-image: var(--icon-menu-1); mask-image: var(--icon-menu-1); }
.lz-top-menu-content > li:nth-child(2) > a::before { -webkit-mask-image: var(--icon-menu-2); mask-image: var(--icon-menu-2); }
.lz-top-menu-content > li:nth-child(3) > a::before { -webkit-mask-image: var(--icon-menu-3); mask-image: var(--icon-menu-3); }
.lz-top-menu-content > li:nth-child(4) > a::before { -webkit-mask-image: var(--icon-menu-4); mask-image: var(--icon-menu-4); }
.lz-top-menu-content > li:nth-child(5) > a::before { -webkit-mask-image: var(--icon-menu-5); mask-image: var(--icon-menu-5); }
.lz-top-menu-content > li:nth-child(6) > a::before { -webkit-mask-image: var(--icon-menu-6); mask-image: var(--icon-menu-6); }


/* --------------------------------------------------------------------------
   C. MENU CON (DROPDOWN CẤP 2, CẤP 3 & CARET)
   -------------------------------------------------------------------------- */
/* --- Dropdown Menu / Childmenu Base --- */
.lz-top-menu .childmenu {
    position: absolute;
    top: 100%;
    left: 0; 
    z-index: 30;
    display: none;
    padding: 0;
    min-width: 270px;
    max-width: 400px;
    width: max-content;
    background-color: #35a8e0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border: none;
    border-top: 3px solid #ffcc00;
    border-radius: 0 0 6px 6px;
    transition: all 0.3s ease;
}

/* --- Dropdown Menu Items --- */
.lz-top-menu .childmenu a {
    position: relative;
    white-space: normal;
    display: block;
    padding: 14px 20px;
    color: #ffffff;
    font-size: 15px;
    font-weight: 500;
    text-transform: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

/* --- Remove Border for Last Item --- */
.lz-top-menu .childmenu li:last-child > a { 
    border-bottom: none; 
}

/* --- Dropdown Menu Hover State --- */
.lz-top-menu .childmenu a:hover { 
    background-color: #278fc0; 
    color: #ffffff; 
    padding-left: 28px; 
}
/* --- Dropdown Menu cấp 3 (Childmenu của Childmenu) --- */
.childmenu .childmenu {
    top: -3px; 
    left: 100%; 
    right: auto;
    max-height: 200px;
    overflow-y: auto;
    border-top: 3px solid #005da4; 
    border-radius: 0;
}

/* --- Đảo chiều Menu cấp 3 sang trái cho các mục từ thứ 4 trở đi --- */
.lz-top-menu-content > li:nth-child(n+4) .childmenu .childmenu {
    right: 100%;
    left: auto;
    box-shadow: -10px 10px 30px rgba(0,0,0,0.08);
}

/* Tùy chỉnh thanh cuộn menu cấp 3 */
.childmenu .childmenu::-webkit-scrollbar { width: 5px; }
.childmenu .childmenu::-webkit-scrollbar-track { background: #278fc0; }
.childmenu .childmenu::-webkit-scrollbar-thumb { background-color: #ffcc00; border-radius: 10px; }

/* --- Chỉ báo menu có menu con (Mũi tên dropdown) --- */
.lz-top-menu-content > li.has-childmenu > a { 
    padding-right: 24px; 
}

.lz-top-menu-content .has-childmenu::after {
    content: '';
    display: block;
    position: absolute;
    top: 50%;
    right: 8px;
    width: 7px;
    height: 7px;
    border: none;
    border-right: 2px solid #ffffff;
    border-bottom: 2px solid #ffffff;
    transform: translateY(-50%) rotate(45deg);
    transition: all 0.3s ease;
}

.lz-top-menu-content .has-childmenu .has-childmenu::after {
    right: 15px; 
    width: 8px; 
    height: 8px; 
    transform: translateY(-50%) rotate(-45deg);
}

/* --- Hover State cho Mũi tên Dropdown --- */
.lz-top-menu-content .has-childmenu:hover::after {
    border-right-color: #ffcc00; 
    border-bottom-color: #ffcc00;
}

/* --- Hiển thị Menu con khi Hover --- */
.has-childmenu:hover > ul { 
    display: block; 
}

/* --- Tùy chỉnh biểu tượng Caret trong Menu con --- */
.lz-top-menu .childmenu a .caret {
    position: absolute; 
    top: 15px; 
    right: 5px; 
    float: none; 
    margin-top: 0; 
    border-left-color: rgba(255, 255, 255, 0.6);
}
.lz-top-menu .childmenu a:hover .caret { 
    border-left-color: #ffffff; 
}

/* --- Ẩn các icon không cần thiết trong Dropdown --- */
.nav-dropdown-icon,
.lz-top-menu .childmenu a .dropdown-menu-icon { 
    display: none; 
}

/* Mũi tên kép >> chèn tự động vào menu con */
.nav-dropdown-link::before {
    content: '';
    display: inline-block;
    vertical-align: middle;
    width: 14px;
    height: 14px;
    margin-right: 8px;
    background-color: currentColor;
    -webkit-mask: var(--icon-double-arrow) no-repeat center / contain;
    mask: var(--icon-double-arrow) no-repeat center / contain;
}

/* ==========================================================================
   4.2. BANNER & BREADCRUMB
   ========================================================================== */
/* --------------------------------------------------------------------------
   A. BANNER (MẶC ĐỊNH & CUSTOM)
   -------------------------------------------------------------------------- */
.banner {
    position: relative;
    width: 100%;
    overflow: hidden;
    /* Đã gỡ background: none và ::after (bạn nhớ qua file CSS cũ xóa thuộc tính background và ::after của .banner nhé) */
    min-height: 300px; 
    aspect-ratio: 1490 / 312; 
    display: block;
}
.banner .container {
    width: 100%;
}

.banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    aspect-ratio: 1490 / 312;
}

/* Site Banner Custom */
.site-banner-wrapper {
    width: 100%;
    display: block;
    margin-bottom: 0;
}
.site-banner-img {
    width: 100%;
    height: auto;
    display: block;
}
/* --------------------------------------------------------------------------
   B. BREADCRUMB (THANH ĐIỀU HƯỚNG) CÁC TRANG
   -------------------------------------------------------------------------- */

/* B1. Breadcrumb nằm trong Banner (Tổng quan/Danh mục) */
.m-breadcrumb .breadcrumb-icon {
    margin-right: 10px; 
}

/* B2. Breadcrumb nằm dưới Banner (Các trang con tĩnh) */
.child-page-content .m-breadcrumb {
    text-align: left; 
    margin-bottom: 25px; 
    padding-bottom: 12px;
    border-bottom: 1px solid #e6eaf2; 
}
.child-page-content .m-breadcrumb ul {
    padding-left: 0;
    margin-bottom: 0;
}
.child-page-content .m-breadcrumb li {
    display: inline-block;
    list-style: none;
    font-size: 15px;
    color: #666666; 
}

/* Đã gỡ !important, trả về class tiêu chuẩn */
.child-page-content .m-breadcrumb li a {
    color: #005da4; 
    font-weight: 500;
    transition: 0.3s;
}
.child-page-content .m-breadcrumb li a:hover {
    color: #ffcc00; 
    text-decoration: underline;
}
.child-page-content .m-breadcrumb .breadcrumb-icon {
    margin: 0 12px;
    color: #999999; 
    font-size: 14px;
}

/* B3. Breadcrumb độc lập (Site Breadcrumb) */
.site-breadcrumb {
    background-color: #f8f9fa;
    padding: 12px 0;
    border-bottom: 1px solid #eaeaea;
    margin-bottom: 30px;
}
.site-breadcrumb ul {
    list-style: none;
    padding: 0; 
    margin: 0;
    display: flex; 
    align-items: center;
}
.site-breadcrumb ul li, 
.site-breadcrumb ul li a {
    font-size: 14px;
    color: #555; 
    text-decoration: none; 
    font-weight: 500;
}
.site-breadcrumb ul li a:hover { 
    color: #005da4;
    text-decoration: underline; 
}
.site-breadcrumb ul li .breadcrumb-icon { 
    margin: 0 10px; 
    color: #999;
}

/* B4. Breadcrumb trên trang Bài viết (Post Page) */
.post-page .m-breadcrumb {
    margin-bottom: 20px;
}

/* Khử lặp SVG phân cách danh mục bằng biến CSS */
.post-page .breadcrumb-sep {
    display: inline-block;
    vertical-align: middle;
    width: 12px;
    height: 12px;
    margin: 0 8px;
    background-color: #999999; 
    -webkit-mask: var(--icon-breadcrumb-sep) no-repeat center / contain;
    mask: var(--icon-breadcrumb-sep) no-repeat center / contain;
}
/* ==========================================================================
   4.3. TYPOGRAPHY & SECTION TITLES
   ========================================================================== */

/* --------------------------------------------------------------------------
   A. BASE SECTION TITLE (TIÊU ĐỀ KHỐI MẶC ĐỊNH)
   -------------------------------------------------------------------------- */
/* Định dạng tiêu đề của từng section (khối nội dung) */
.section-title {
    font-size: 24px; 
    font-weight: 700;
    line-height: 32px; 
    margin-top: 0;
    margin-bottom: 21px;
    color: #000;
    position: relative;
    padding-bottom: 20px;
}

/* Phần tử giả: gạch chân trang trí, đường line màu */
.section-title::after { 
    content: ''; /* Khai báo trực tiếp tại đây để khối code độc lập */
    position: absolute;
    bottom: 0;
    left: 0;
    width: 74px;
    height: 3px;
    background-color: #008f8c;
}

/* Tiêu đề có màu viền gạch chân tùy chỉnh (Modifiers) */
.section-title.cl-white::after {
    background-color: #fff;
}
.section-title.border-orange::after {
    background-color: #d58330;
}

/* --------------------------------------------------------------------------
   B. CUSTOM SECTION TITLES (TIÊU ĐỀ TÙY CHỈNH THEO TRANG)
   -------------------------------------------------------------------------- */
/* 1. Tiêu đề trang con / Trang trong */
.child-page-content .section-title {
    color: #005da4; /* Đổi màu chữ sang Xanh VNPT cho uy tín - TIÊU ĐỀ NHÓM */
    font-size: 32px; 
    text-transform: uppercase;
}
.child-page-content .section-title::after {
    content: '';
    display: block;
    background-color: #ffcc00; /* VẠCH KẺ NGANG - ĐỔI MÀU Ở ĐÂY (Màu vàng) */
    width: 80px;
    height: 4px;
    margin-top: 10px;
    border-radius: 4px;
}

/* 2. Tiêu đề trang Bài viết (Post) */
.post-page .left .section-title {
    margin-bottom: 30px;
    font-size: 32px;
    font-weight: 700;
    padding-bottom: 10px; /* Đã fix lỗi thiếu chữ px */
    line-height: 1.3;
}

/* 3. Khoảng cách dưới (Margin) của các tiêu đề cụ thể */
.about-page .about-content .section-title {
    margin-bottom: 50px;
}

.contact-info-box .section-title,
.blog-page .section-title {
    margin-bottom: 40px; /* Gom nhóm 2 mục trùng lặp khoảng cách */
}

/* 4. Đổi màu đường gạch trang trí dưới tiêu đề trang Liên hệ (Đã gỡ !important) */
.contact-info-box .section-title::after,
.contact-info-box .section-title::before {
    background-color: #005da4;
}

/* 5. Khoảng cách dưới của đoạn văn Giới thiệu (intro) ngay dưới Form Liên hệ */
.contact-info-box .intro { 
    margin-bottom: 20px;
}

/* --------------------------------------------------------------------------
   C. SIDEBAR TITLES (TIÊU ĐỀ THANH BÊN)
   -------------------------------------------------------------------------- */
.sidebar-title {
    font-size: 20px;
    font-weight: 700;
}

.sidebar-title-border {
    padding-bottom: 18px;
    margin-top: 0;
    position: relative;
    border-bottom: 1px solid #d0d0d0;
}

.sidebar-title-border::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 1px;
    background-color: #3db7ef;
}

/* --------------------------------------------------------------------------
   D. COMMON PARAGRAPH SPACING (KHOẢNG CÁCH ĐOẠN VĂN CHUNG)
   -------------------------------------------------------------------------- */
.about-page .about-content .left .content p,
.post-page .post-content .left .content p {
    margin: 10px 0;
    line-height: 24px;
}
/* ==========================================================================
   4.4. BUTTONS & CALL-TO-ACTION (CTA)
   ========================================================================== */

/* --------------------------------------------------------------------------
   A. GENERAL BUTTONS (NÚT BẤM CHUNG)
   -------------------------------------------------------------------------- */
/* Nút Tư vấn */
.btn-tu-van {
    display: inline-block;
    margin-top: 12px;
    padding: 14px 30px;
    background: #0b57d0;
    color: #ffffff;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    font-size: 15px;
}
.btn-tu-van:hover {
    background: #094cb8;
    color: #ffcc00; 
    text-decoration: none; 
}

/* --------------------------------------------------------------------------
   B. BLOG CTAS (CTA TRANG TIN TỨC / BÀI VIẾT)
   -------------------------------------------------------------------------- */
/* 1. Thanh Hotline dưới tiêu đề chuyên mục */
.blog-top-hotline {
    background-color: #f1f7fd; 
    border-left: 4px solid #005da4;
    padding: 12px 15px;
    margin-bottom: 25px;
    font-size: 15px;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: 0 8px 8px 0;
}
.blog-top-hotline a {
    color: #ed1c24; 
    font-size: 18px;
    font-weight: 900;
    text-decoration: none;
}
.blog-top-hotline a:hover {
    text-decoration: underline;
}
.blog-top-hotline .icon-ringing {
    width: 20px;
    height: 20px;
    stroke: #ed1c24;
    fill: none;
    flex-shrink: 0;
}

/* 2. Hộp Banner CTA nằm ở giữa danh sách bài viết */
.blog-mid-cta {
    background: linear-gradient(135deg, #005da4 0%, #003a66 100%);
    border-radius: 12px;
    padding: 25px;
    color: #ffffff;
    margin: 30px 0;
    box-shadow: 0 8px 25px rgba(0, 93, 164, 0.15);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.mid-cta-content h4 {
    color: #ffcc00; 
    font-size: 19px;
    font-weight: 850;
    margin-top: 0;
    margin-bottom: 8px;
    text-transform: uppercase;
    font-family: 'Roboto', Arial, sans-serif;
}
.mid-cta-content p {
    font-size: 14px;
    margin: 0;
    opacity: 0.95;
    line-height: 1.5;
}
.mid-cta-actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}
a.btn-mid-call, a.btn-mid-reg {
    padding: 12px 22px;
    font-size: 14px;
    font-weight: 700;
    border-radius: 6px;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.25s ease;
    text-align: center;
    border: none;
    cursor: pointer;
}
a.btn-mid-call, a.btn-mid-call:hover {
    color: #ffffff;
}
a.btn-mid-call {
    background-color: #ed1c24;
    box-shadow: 0 4px 10px rgba(237, 28, 36, 0.3);
}
a.btn-mid-call:hover {
    background-color: #cc0000;
    transform: translateY(-2px);
}

a.btn-mid-reg, a.btn-mid-reg:hover {
    color: #003a66;
}
a.btn-mid-reg {
    background-color: #ffcc00;
    box-shadow: 0 4px 10px rgba(255, 204, 0, 0.3);
}
a.btn-mid-reg:hover {
    background-color: #e6b800;
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   C. FLOATING WIDGETS (CÁC TIỆN ÍCH NỔI TRÊN MÀN HÌNH)
   -------------------------------------------------------------------------- */

/* C1. TỐI ƯU NÚT CUỘN LÊN ĐẦU TRANG (BACK TO TOP) - BẢN GOM GỌN */
a.scroll-top-btn, a.scroll-top-btn:hover {
    color: #fff;
    text-decoration: none;
}
a.scroll-top-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 100;
    width: 50px;
    height: 50px;

    background: #ffcc00;
    color: #005da4;

    border-radius: 50%;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);

    display: flex;
    justify-content: center;
    align-items: center;

    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

/* Trạng thái khi hiển thị (JS thêm class .visible vào) */
a.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

/* Hiệu ứng khi rê chuột / Focus */
a.scroll-top-btn:hover,
a.scroll-top-btn:focus {
    background: #ffd633;
    color: #005da4;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
    outline: none;
}

/* C2. THANH LIÊN HỆ GÓC TRÁI (CONTACT WIDGET) */
.contact-widget {
    position: fixed;
    bottom: 30px;
    left: 20px;
    z-index: 200000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Kiểu dáng mặc định trên Máy tính */
a.btn-contact, a.btn-contact:hover {
    color: #fff;
}
a.btn-contact {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    font-family: 'Roboto', Arial, sans-serif;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    width: 54px;
    height: 54px;
    padding: 8px;
    border-radius: 54px;
    overflow: hidden;
    white-space: nowrap;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Khung bọc icon giữ nguyên kích thước không bị méo */
.btn-contact .icon-wrap {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.15);
    flex-shrink: 0;
}

/* Xử lý phần chữ: Mặc định ẩn đi và hơi thụt lùi về sau */
.btn-contact .btn-text {
    display: inline-block;
    opacity: 0;
    transform: translateX(-15px);
    transition: opacity 0.2s ease, transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    margin-left: 12px;
}

.zalo-text-icon {
    font-weight: 900;
    font-size: 12px;
    font-family: Arial, sans-serif;
}

/* Hiệu ứng xung nhấp nháy (Pulse) bằng GPU tiết kiệm CPU */
@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(30, 126, 52, 0.7); }
    70% { box-shadow: 0 0 0 12px rgba(30, 126, 52, 0); }
    100% { box-shadow: 0 0 0 0 rgba(30, 126, 52, 0); }
}
.btn-call {
    will-change: box-shadow;
    animation: pulse-ring 2s infinite;
}
/* ==========================================================================
   4.5. CARDS & CONTENT BOXES
   ========================================================================== */
/* --------------------------------------------------------------------------
   A. GLOBAL BOX IMAGES & OVERLAYS
   -------------------------------------------------------------------------- */
.box-img {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f9f9f9;
    overflow: hidden;
}
.box-img img {
    width: auto;
    max-height: 100%;
}
.news-box .box-img {
    aspect-ratio: 3 / 2;
    height: auto;
    overflow: hidden;
    background-color: #f8f9fa;
    display: flex;
    justify-content: center;
    align-items: center;
}
.link-overlay { 
    position: relative; 
}
.link-overlay::after {
    position: absolute; 
    top: 100%; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: rgba(61, 183, 239, 0.6);
    background-image: var(--icon-link-overlay);
    background-position: center; 
    background-size: 24px; 
    background-repeat: no-repeat; 
    transition: 0.4s; 
    cursor: pointer;
}
.link-overlay:hover::after { 
    top: 0; 
}

/* --------------------------------------------------------------------------
   B. NEWS ITEMS & SERVICE BOXES (HỘP TIN TỨC & DỊCH VỤ)
   -------------------------------------------------------------------------- */
.news-item .box-img,
.news-item .news-title { 
    margin-top: 0; 
    margin-bottom: 15px; 
}

.news-item .box-img img {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    display: block; /* Thêm dòng này để fix lỗi khoảng trống dưới ảnh */
    transition: transform 0.4s ease;
}
.news-item:hover .box-img img { 
    transform: scale(1.05); 
}

.news-item .news-title a {
    font-size: 22px; 
    font-weight: 700; 
    line-height: 28px; 
    color: #8b4a0b; 
    transition: .4s;
}
.blog-page .news-item .news-title a { 
    color: #333333; 
    transition: .3s; 
}
.blog-page .news-item .news-title a:hover { 
    color: #005da4; 
}

.news-item .news-content .news-text {
    display: -webkit-box; 
    -webkit-box-orient: vertical; 
    text-overflow: ellipsis; 
    overflow: hidden;
    font-size: 16px; 
    font-weight: 300; 
    line-height: 24px; 
    -webkit-line-clamp: 4;
}

/* --------------------------------------------------------------------------
   C. POST CONTENT & SHARE BOX (NỘI DUNG BÀI VIẾT)
   -------------------------------------------------------------------------- */
.child-page-content { 
    padding-top: 20px; 
    padding-bottom: 60px; 
}
.contact-content .contact-info-box { 
    margin-bottom: 60px; 
}
.blog-page .news-box { 
    margin-bottom: 30px; 
}

.post-content .another-news { 
    margin-top: 60px; 
}
.post-content .share-box { 
    margin-top: 30px; 
}
.post-content .share-box span a { 
    color: #d58330; 
}

.post-text { 
    overflow: hidden; 
}
.post-page .post-content .post-text img { 
    height: auto; 
}

/* --------------------------------------------------------------------------
   D. SIDEBAR, CATEGORIES & TAGS (THANH BÊN & DANH MỤC)
   -------------------------------------------------------------------------- */
.sidebar-box:not(:last-child) { 
    margin-bottom: 60px; 
}
.sidebar .sidebar-box ul { 
    padding-left: 0; 
    list-style: none; 
}

.sidebar .category li { 
    margin-bottom: 20px; 
    list-style: none; 
}
.sidebar .category li a {
    color: #005da4; 
    font-weight: 300; 
    font-size: 16px; 
    text-decoration: none; 
    padding-left: 24px; 
    position: relative; 
    line-height: normal;
}
.sidebar .category li a:hover { 
    color: #ffcc00; 
    font-weight: 500; 
}
.sidebar .category li a::before {
    content: ''; 
    position: absolute; 
    left: 0; 
    top: 5px; 
    width: 9px; 
    height: 9px;
    background-image: var(--icon-sidebar-arrow);    
    background-position: center center; 
    background-repeat: no-repeat; 
    background-size: 100%; 
    transition: .4s;
}
.sidebar .category li a:hover::before { 
    left: 5px; 
}
.sidebar .category li.active > a::before { 
    transform: rotate(90deg); 
}

/* Sub-categories */
.sidebar .sidebar-box ul .sub-category { 
    display: none; 
    padding-left: 30px; 
}
.sub-category { 
    padding-left: 40px; 
    padding-top: 20px; 
}
.sub-category li a {
    display: -webkit-box; 
    line-height: 1; 
    -webkit-box-orient: vertical; 
    overflow: hidden; 
    text-overflow: ellipsis; 
    font-size: 15px;
}
/* Tự động xổ menu con cho mọi cấu trúc HTML bên trong Sidebar */
.sidebar .sidebar-box li:hover > ul,
.sidebar .sidebar-box li:hover > .sub-category,
.sidebar .sidebar-box li:focus-within > ul,
.sidebar .sidebar-box li.active > ul {
    display: block;
}

/* Đảm bảo menu con có khoảng cách thụt lề cho dễ nhìn */
.sidebar .sidebar-box li > ul {
    padding-left: 15px;
    margin-top: 5px;
}


/* Tags Box */
.tags-box .tags-item { 
    margin-right: 10px; 
    margin-bottom: 10px; 
    display: inline-block; 
}
.tags-box .tags-item a {
    padding: 14px 15px; 
    background-color: #f9f9f9; 
    font-size: 16px; 
    font-weight: 400; 
    color: #000; 
    transition: .4s; 
    display: block;
}
.tags-box .tags-item a:hover { 
    background-color: #188f8c; 
    color: #fff; 
}

/* --------------------------------------------------------------------------
   E. VNPT COMMITMENT CARDS (KHỐI CAM KẾT)
   -------------------------------------------------------------------------- */
.vnpt-commitments {
    background-color: #f8f9fa; 
    padding: 10px 0; 
    border-top: 1px solid #eaeaea;
}
.commitment-card {
    background: #ffffff; 
    padding: 30px 20px; 
    border-radius: 12px; 
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05); 
    transition: all 0.3s ease; 
    height: 100%; 
    border: 1px solid #f0f0f0;
}
.commitment-card:hover { 
    transform: translateY(-8px); 
    box-shadow: 0 12px 25px rgba(0, 93, 164, 0.15); 
    border-color: #005da4; 
}

.commitment-card .icon-box {
    width: 75px; 
    height: 75px; 
    background: linear-gradient(135deg, #005da4, #007bc4); 
    color: #ffffff;
    border-radius: 50%; 
    display: inline-flex; 
    align-items: center; 
    justify-content: center; 
    margin-bottom: 20px; 
    box-shadow: 0 4px 10px rgba(0, 93, 164, 0.3);
}
.commitment-card .icon-box svg { 
    width: 36px; 
    height: 36px; 
}

.commitment-card .com-title { 
    font-size: 18px; 
    font-weight: 700; 
    color: #333; 
    margin-bottom: 15px; 
}
.commitment-card .com-desc { 
    font-size: 15px; 
    color: #555; 
    line-height: 1.5; 
    margin: 0; 
}
/* ==========================================================================
   4.6. FORMS & MODALS (FORM LIÊN HỆ & POPUP THÔNG BÁO)
   ========================================================================== */

/* --------------------------------------------------------------------------
   A. FORM CONTAINER & LAYOUT (KHUNG BẢO VỆ FORM)
   -------------------------------------------------------------------------- */
#quickForm {
    scroll-margin-top: 180px;
}

.child-page-content.contact-content {
    padding-bottom: 0;
    margin-bottom: 0;
}

.modern-contact-form {
    background: #ffffff;
    padding: 35px 30px;            
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border-top: 5px solid #005da4;
    margin-top: 10px;
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   B. FORM TYPOGRAPHY (CHỮ NGHĨA TRONG FORM)
   -------------------------------------------------------------------------- */
.modern-contact-form .form-title {
    color: #005da4;
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 10px;
    text-transform: uppercase;
    font-family: 'Roboto', Arial, sans-serif;
}

.modern-contact-form .form-subtitle {
    text-align: center;
    color: #444444;
    margin-bottom: 25px;
    font-size: 15px;
    font-style: italic;
}

.trust-text {
    text-align: center;
    margin-top: 15px;
    font-size: 13px;
    color: #1a712c;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

/* --------------------------------------------------------------------------
   C. FORM INPUTS & CONTROLS (Ô NHẬP LIỆU & BẢNG CHỌN)
   -------------------------------------------------------------------------- */
.modern-contact-form .form-control {
    border-radius: 8px;
    border: 1px solid #ddd;
    padding: 14px 15px;
    height: auto;
    box-shadow: none;
    font-family: 'Roboto', Arial, sans-serif;
    font-size: 15px;
    margin-bottom: 15px;
    background-color: #fcfcfc;
    transition: all 0.25s ease;
}

.modern-contact-form .form-control:focus {
    border-color: #005da4;
    background-color: #fff;
    box-shadow: 0 0 5px rgba(0, 93, 164, 0.2);
}

.modern-contact-form textarea.form-control {
    min-height: 80px;
}

.modern-contact-form .custom-select {
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%23005da4"><path d="M4 6h8l-4 5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 15px center;
    font-weight: 500;
    color: #333;
    cursor: pointer;
}

/* Biến màu viền ô nhập liệu sang đỏ khi lỗi (Gỡ !important) */
.modern-contact-form .form-control.error-red {
    border-color: #ed1c24;
    background-color: #fff5f5;
}

/* --------------------------------------------------------------------------
   D. FORM SUBMIT BUTTON (NÚT GỬI THÔNG TIN)
   -------------------------------------------------------------------------- */
/* Chỉ định rõ loại thẻ (button, input) để đè style form hệ thống mà không cần !important */
button.btn-submit-modern, 
input[type="submit"].btn-submit-modern {
    background-color: #ffcc00;
    color: #005da4;
    font-size: 18px;
    font-weight: 900;
    width: 100%;
    padding: 16px;
    border-radius: 8px;
    border: none;
    text-transform: uppercase;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(255, 204, 0, 0.4);
    margin-top: 10px;
    cursor: pointer;
}

button.btn-submit-modern:hover, 
input[type="submit"].btn-submit-modern:hover {
    background-color: #e6b800;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255, 204, 0, 0.5);
    color: #003366;
}

/* --------------------------------------------------------------------------
   E. FORM HOTLINE WRAPPER (KHỐI HOTLINE TRONG FORM)
   -------------------------------------------------------------------------- */
.form-hotline-wrapper {
    background: #f1f7fd; 
    border: 1px dashed #005da4; 
    border-radius: 8px;
    padding: 12px;
    text-align: center;
    margin-bottom: 25px;
}

.form-hotline-label {
    display: block;
    font-size: 13.5px;
    color: #444;
    font-weight: 700;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Khai báo rõ thẻ a để xóa !important */
a.form-hotline-link {
    font-size: 30px;
    font-weight: 900;
    color: #ed1c24; 
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    line-height: 1;
}

a.form-hotline-link:hover {
    color: #cc0000;
    text-decoration: none;
}

a.form-hotline-link svg {
    width: 26px;
    height: 26px;
    stroke: #ed1c24;
    fill: none;
}

/* --------------------------------------------------------------------------
   F. SUCCESS MODAL POPUP (HỘP THOẠI THÀNH CÔNG)
   -------------------------------------------------------------------------- */
.custom-modal-backdrop {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 99999;
    justify-content: center;
    align-items: center;
}

.custom-modal-dialog {
    background: #fff;
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    max-width: 350px;
    width: 90%;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    animation: popIn 0.3s ease-out;
}

.custom-modal-icon-circle {
    width: 60px; height: 60px;
    background: #e6f0f9;
    color: #005da4;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin-bottom: 15px;
}

.custom-modal-heading {
    margin: 0 0 10px 0;
    color: #333;
    font-size: 22px;
    font-family: 'Roboto', Arial, sans-serif;
}

.custom-modal-body-text {
    color: #555;
    font-size: 15px;
    line-height: 1.5;
    margin-bottom: 20px;
}

button.custom-modal-btn-close {
    background: #005da4;
    color: #fff;
    border: none;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    text-transform: uppercase;
    width: 100%;
    transition: background 0.2s ease;
}

button.custom-modal-btn-close:hover {
    background: #004477;
}

@keyframes popIn {
    0% { transform: scale(0.8); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}
/* ==========================================================================
   4.7. PAGINATION (NÚT PHÂN TRANG CHUẨN VNPT HIỆN ĐẠI)
   ========================================================================== */

.m-pagination {
    margin-top: 15px; /* Ép khoảng cách với bài viết ở trên nhỏ lại */
    margin-bottom: -10px; /* Xóa luôn khoảng cách dư thừa với footer ở dưới */
    text-align: center;
}
/* Đã đổi .pagination-nav thành .pagination và reset padding */
.m-pagination .pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px; 
    padding-left: 0;
}

.m-pagination .pagination li {
    list-style: none; 
    display: block; 
    margin: 0;
}

/* Trạng thái mặc định của nút */
.m-pagination .pagination li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px; 
    height: 42px;
    line-height: 1;
    padding: 0;
    font-size: 16px;
    font-weight: 700;
    color: #005da4; 
    background-color: #ffffff; 
    border: 1px solid #005da4; 
    border-radius: 8px; 
    transition: all 0.3s ease;
    text-decoration: none;
}

/* Trạng thái khi hover */
.m-pagination .pagination li a:hover {
    background-color: #ffcc00; 
    border-color: #ffcc00;
    color: #005da4; 
    transform: translateY(-3px); 
    box-shadow: 0 4px 10px rgba(0, 93, 164, 0.15);
}

/* Trạng thái trang đang chọn (Active) */
.m-pagination .pagination li.active a,
.m-pagination .pagination li.active a:hover {
    background-color: #005da4; 
    border-color: #005da4;
    color: #ffffff; 
    box-shadow: 0 4px 15px rgba(0, 93, 164, 0.3);
    transform: none; 
}

/* Trạng thái vô hiệu hóa (Disabled) */
.m-pagination .pagination li.disabled a {
    color: #cccccc;
    border-color: #eeeeee;
    background-color: #f9f9f9;
    pointer-events: none; 
    box-shadow: none;
}
/* ==========================================================================
   4.8. FOOTER (CHÂN TRANG)
   ========================================================================== */
.footer-vnpt-pro {
    background-color: #005da4; /* Tông màu xanh dương VNPT chính thức */
    color: #ffffff;
    font-family: 'Roboto', Arial, sans-serif;
    padding: 10px 0 0px;
}
.footer-vnpt-pro a { 
    color: #ffffff;
    text-decoration: none; 
}
.footer-vnpt-pro a:hover { 
    color: #ffcc00; /* Đổi màu vàng VNPT khi hover link */
}

/* Tiêu đề các cột Footer */
.footer-vnpt-pro .col-title {
    font-size: 18px; 
    font-weight: 700; 
    text-transform: uppercase;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 10px;
    margin-bottom: 20px;
    color: #ffffff;
}

/* Hotline nổi bật trong Footer (Thêm thẻ a. để tăng điểm ưu tiên) */
.footer-vnpt-pro a.hotline-text,
.footer-vnpt-pro .hotline-text {
    color: #ffcc00; 
    font-size: 30px;
    font-weight: 900; 
    display: flex; 
    align-items: center; 
    gap: 8px;
    margin-bottom: 15px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

/* Nút CTA trong Footer (Khai báo rõ thẻ a/button) */
.footer-vnpt-pro a.btn-cta,
.footer-vnpt-pro button.btn-cta {
    background-color: #ffcc00; 
    color: #003366; 
    display: block; 
    text-align: center;
    padding: 12px 0; 
    font-weight: 850; 
    font-size: 16px;
    border-radius: 6px; 
    text-transform: uppercase; 
    box-shadow: 0 4px 6px rgba(0,0,0,0.15);
    margin-bottom: 10px;
    border: none;
    transition: all 0.3s ease;
}
.footer-vnpt-pro a.btn-cta:hover,
.footer-vnpt-pro button.btn-cta:hover {
    background-color: #ffe066;
    transform: translateY(-2px);
}

/* Danh sách liên kết Footer */
.footer-vnpt-pro .ul-clean {
    list-style: none;
    padding-left: 0; 
    margin: 0;
}
.footer-vnpt-pro .ul-clean li {
    margin-bottom: 15px;
    font-size: 14px;
    display: flex; 
    align-items: flex-start; 
    gap: 10px; 
    line-height: 1.4;
}
.footer-vnpt-pro .ul-clean li svg {
    flex-shrink: 0;
    margin-top: 2px;
}

/* Gộp class để tự đè size 14px ở trên mà không cần !important */
.footer-vnpt-pro .ul-clean.font-li-medium li {
    font-size: 15px;
}

/* Khung Tiện ích cột 1 */
.footer-badge-features {
    margin-bottom: 15px; 
    line-height: 1.6; 
    font-size: 15px;
}
.footer-feature-item {
    display: flex; 
    align-items: center; 
    gap: 6px;
    margin-bottom: 5px;
}
.footer-support-text {
    font-size: 14px;
    opacity: 0.9;
    margin-top: 5px;
}

/* Disclaimer text block ở đáy footer */
.footer-disclaimer-text {
    font-size: 14px;
    line-height: 1.5; 
    opacity: 0.75; 
    margin-top: 30px; 
    margin-bottom: 10px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    text-align: justify;
}

/* Icon Checkmark Footer (Sử dụng biến CSS) */
.footer-check-icon {
    display: inline-block;
    vertical-align: middle;
    width: 14px;
    height: 14px;
    margin-top: 3px;
    flex-shrink: 0;
    background-color: currentColor; 
    -webkit-mask: var(--icon-check-footer) no-repeat center / contain;
    mask: var(--icon-check-footer) no-repeat center / contain;
}

/* Khối liên kết pháp lý dưới đáy chân trang */
.footer-policy-links {
    text-align: center;
    font-size: 14px;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.15); 
    display: flex;
    justify-content: center;
    gap: 20px; 
    opacity: 0.95;
}

/* Tăng điểm ưu tiên bằng .footer-vnpt-pro để đè màu mặc định */
.footer-vnpt-pro .footer-policy-links a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.25s ease;
}
.footer-vnpt-pro .footer-policy-links a:hover {
    color: #ffcc00; 
    text-decoration: underline;
}
/* ==========================================================================
   4.9. MISC COMPONENTS (CÁC THÀNH PHẦN PHỤ TRỢ KHÁC)
   ========================================================================== */

/* ĐÃ XÓA KHỐI 4.9.A (SHARED PSEUDO-ELEMENTS) VÌ ĐÃ ĐƯỢC TÍCH HỢP TRỰC TIẾP VÀO CÁC PHẦN TRƯỚC ĐÓ */

/* --------------------------------------------------------------------------
   B. TABLE STYLES (ĐỊNH DẠNG BẢNG BIỂU)
   -------------------------------------------------------------------------- */
.table td,
.table th {
    min-height: 32px;
    vertical-align: middle;
}

/* Mặc định: bảng canh giữa */
.post-content table {
    text-align: center;
}

/* Không ghi đè canh trái từ editor & Gộp luôn padding-left */
.post-content table td[style*="text-align:left"],
.post-content table th[style*="text-align:left"],
.post-content table .has-text-align-left {
    text-align: left;
    padding-left: 12px;
}

/* --------------------------------------------------------------------------
   C. ICONS & ANIMATIONS (HIỆU ỨNG VÀ BIỂU TƯỢNG)
   -------------------------------------------------------------------------- */
/* Fix CLS cho icon check */
.check-icon,
img[src*="check"] {
    width: 25px;
    height: 25px;
    min-width: 25px;
    min-height: 25px;
    display: inline-block;
}

/* Hiệu ứng chớp nhanh và hình nền ngôi sao HOT thu nhỏ */
.icon-hot-starburst {
    display: inline-block;
    vertical-align: middle;
    width: 30px;  
    height: 30px; 
    margin-right: 3px;
    margin-bottom: 2px; 
    background-image: var(--icon-hot-starburst);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    animation: chop-ngoi-sao 0.2s infinite alternate; 
}

@keyframes chop-ngoi-sao {
    0% { transform: scale(0.95); }
    100% { transform: scale(1.15); }
}

/* --------------------------------------------------------------------------
   D. MAP IFRAME (BẢN ĐỒ)
   -------------------------------------------------------------------------- */
/* Định dạng cấu trúc Bản đồ (Tăng độ ưu tiên bằng class cha, xóa !important) */
.child-page-content.contact-content .map iframe,
.contact-content .map iframe {
    width: 100%;
    height: 658px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border: none;
}
/* ==========================================================================
   4Bis. MOBILE COMPONENT (LOGO & MENU TRÊN ĐIỆN THOẠI)
   ========================================================================== */
/* --------------------------------------------------------------------------
   A. MOBILE NAVBAR & LOGO
   -------------------------------------------------------------------------- */
.mobile-navbar {
    display: none; /* Mặc định ẩn trên Desktop */
    background-color: var(--white);
    height: 56px;
    padding: 0 15px;
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 20;
    box-shadow: 0 0 10px 0 rgba(67, 67, 69, .35);
    justify-content: space-between;
    align-items: center;
}
.mobile-logo {
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    height: 100%;
    display: flex;
    align-items: center;
}
.mobile-logo img { height: 45px; width: auto; }

.mobile-menu-btn span {
    display: block;
    height: 4px; width: 24px;
    background-color: #000;
    margin-bottom: 5px;
}
.mobile-menu-btn span:last-child { margin-bottom: 0; }

/* Ẩn các phần không cần thiết */
.about-page .sidebar .sidebar-box:nth-child(2),
.mobile-menu { display: none; }

.mobile-menu.mm-menu_opened,
.top-menu a { display: block; }

/* --------------------------------------------------------------------------
   B. CẤU TRÚC MOBILE MENU
   -------------------------------------------------------------------------- */
.mm-slideout { z-index: auto; }

.mobile-menu { background-color: var(--vnpt-blue) !important; }

/* Màu sắc các thanh tiêu đề (Top bar) */
.mobile-menu .mm-navbar,
.mobile-menu .mm-navbars_top {
    background-color: var(--vnpt-blue-dark) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2) !important;
    color: var(--white) !important;
}

/* Style cho các mục trong list */
.mobile-menu .mm-listview > li { border-bottom: 1px solid rgba(255, 255, 255, 0.2) !important; }

.mobile-menu .mm-btn:after,
.mobile-menu .mm-btn:before,
.mobile-menu .mm-listview .mm-btn_next:after { border-color: var(--white) !important; }

.mobile-menu .mm-listitem a,
.mobile-menu .mm-listitem > span {
    padding: 15px !important;
    font-size: 15px !important;
    font-weight: 600 !important;
    color: var(--white) !important;
    text-transform: uppercase;
    letter-spacing: 0.5px !important;
    transition: all 0.3s ease !important;
}

/* Trạng thái Active/Selected */
.mobile-menu .mm-listitem_selected > a:not(.mm-btn_next),
.mobile-menu .mm-listitem_selected > span {
    background-color: var(--vnpt-gold) !important;
    color: var(--vnpt-blue) !important;
}
.mobile-menu .mm-listitem_selected > .mm-btn_next:after { border-color: var(--vnpt-blue) !important; }

.mobile-menu .mm-listitem.active > a {
    background-color: var(--white) !important;
    color: var(--vnpt-blue) !important;
}

/* --------------------------------------------------------------------------
   C. TÍCH HỢP ICON SVG (CẤP 1)
   -------------------------------------------------------------------------- */
/* Định nghĩa chung cho phần chứa icon */
.mobile-menu .mm-panels > .mm-panel:first-of-type .mm-listview > li:nth-child(-n+6) > a:not(.mm-btn_next),
.mobile-menu .mm-panels > .mm-panel:first-of-type .mm-listview > li:nth-child(-n+6) > span {
    padding-left: 46px !important;
    position: relative;
}

/* Cấu hình khung hiển thị icon (Sử dụng chung) */
.mobile-menu .mm-panels > .mm-panel:first-of-type .mm-listview > li:nth-child(-n+6) > a:not(.mm-btn_next):before,
.mobile-menu .mm-panels > .mm-panel:first-of-type .mm-listview > li:nth-child(-n+6) > span:before {
    content: '';
    position: absolute;
    left: 18px; top: 50%;
    transform: translateY(-50%);
    width: 20px; height: 20px;
    background-color: var(--white);
    -webkit-mask-size: contain; mask-size: contain;
    -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
    -webkit-mask-position: center; mask-position: center;
    transition: all 0.3s ease;
}

/* Đổi màu icon khi Active */
.mobile-menu .mm-listitem_selected > a:before,
.mobile-menu .mm-listitem_selected > span:before,
.mobile-menu .mm-listitem.active > a:before { background-color: var(--vnpt-blue) !important; }

/* Định nghĩa từng Icon riêng biệt */
.mobile-menu .mm-listview > li:nth-child(1) a:before, .mobile-menu .mm-listview > li:nth-child(1) span:before { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z'%3E%3C/path%3E%3Cpolyline points='9 22 9 12 15 12 15 22'%3E%3C/polyline%3E%3C/svg%3E"); }
.mobile-menu .mm-listview > li:nth-child(2) a:before, .mobile-menu .mm-listview > li:nth-child(2) span:before { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.55a11 11 0 0 1 14.08 0'%3E%3C/path%3E%3Cpath d='M1.42 9a16 16 0 0 1 21.16 0'%3E%3C/path%3E%3Cpath d='M8.53 16.11a6 6 0 0 1 6.95 0'%3E%3C/path%3E%3Cline x1='12' y1='20' x2='12.01' y2='20'%3E%3C/line%3E%3C/svg%3E"); }
.mobile-menu .mm-listview > li:nth-child(3) a:before, .mobile-menu .mm-listview > li:nth-child(3) span:before { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2' y='7' width='20' height='14' rx='2' ry='2'%3E%3C/rect%3E%3Cpath d='M16 21V5a2 2 0 0 0-2-2h-4a2 2 0 0 0-2 2v16'%3E%3C/path%3E%3C/svg%3E"); }
.mobile-menu .mm-listview > li:nth-child(4) a:before, .mobile-menu .mm-listview > li:nth-child(4) span:before { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 12 20 22 4 22 4 12'%3E%3C/polyline%3E%3Crect x='2' y='7' width='20' height='5'%3E%3C/rect%3E%3Cline x1='12' y1='22' x2='12' y2='7'%3E%3C/line%3E%3Cpath d='M12 7H7.5a2.5 2.5 0 0 1 0-5C11 2 12 7 12 7z'%3E%3C/path%3E%3Cpath d='M12 7h4.5a2.5 2.5 0 0 0 0-5C13 2 12 7 12 7z'%3E%3C/path%3E%3C/svg%3E"); }
.mobile-menu .mm-listview > li:nth-child(5) a:before, .mobile-menu .mm-listview > li:nth-child(5) span:before { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='2' y='7' width='20' height='15' rx='2' ry='2'%3E%3C/rect%3E%3Cpolyline points='17 2 12 7 7 2'%3E%3C/polyline%3E%3C/svg%3E"); }
.mobile-menu .mm-listview > li:nth-child(6) a:before, .mobile-menu .mm-listview > li:nth-child(6) span:before { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 18v-6a9 9 0 0 1 18 0v6'%3E%3C/path%3E%3Cpath d='M21 19a2 2 0 0 1-2 2h-1a2 2 0 0 1-2-2v-3a2 2 0 0 1 2-2h3zM3 19a2 2 0 0 0 2 2h1a2 2 0 0 0 2-2v-3a2 2 0 0 0-2-2H3z'%3E%3C/path%3E%3C/svg%3E"); }

/* Ép màu trắng cho tiêu đề Menu trên mobile đè trong file jquery.mmenu.all.css*/
.mobile-menu .mm-navbar__title {
    color: #ffffff !important;
}
/* ==========================================================================
   5. UTILITIES (CÁC LỚP TIỆN ÍCH DÙNG CHUNG)
   ========================================================================== */

/* --------------------------------------------------------------------------
   A. COLOR & TEXT (MÀU SẮC & VĂN BẢN)
   -------------------------------------------------------------------------- */
.cl-white { color: #fff; }
.cl-dark { color: #000000; }
.cl-orange { color: #d58330; }
.fw-700 { font-weight: 700; }
.fw-300 { font-weight: 300; }

.fs-22 { font-size: 22px; }
.fs-20 { font-size: 20px; }
.fs-16 { font-size: 16px; }
.fs-14 { font-size: 14px; }

/* Bảng màu hệ thống cho nút */
.btn-register { background-color: #0055A5; }
.btn-zalo { background-color: #0056D2; }
.btn-call { background-color: #1E7E34; }

/* --------------------------------------------------------------------------
   B. SPACING (PADDING & MARGIN)
   -------------------------------------------------------------------------- */
/* Padding */
.pt-65 { padding-top: 65px; }
.pt-40 { padding-top: 40px; }
.pt-20 { padding-top: 20px; }

.pbt-120 { padding-bottom: 120px; }
.pbt-90 { padding-bottom: 50px; }
.pbt-80 { padding-bottom: 40px; }
.pbt-60 { padding-bottom: 60px; }
.pbt-20 { padding-bottom: 20px; }

/* Margin */
.mt-70 { margin-top: 70px; }
.mt-50 { margin-top: 50px; }
.mt-20 { margin-top: 20px; }

.mbt-70 { margin-bottom: 70px; }
.mbt-20 { margin-bottom: 20px; }
.mbt-15 { margin-bottom: 15px; }
.mbt-8 { margin-bottom: 8px; }

/* --------------------------------------------------------------------------
   C. LAYOUT & POSITIONING (DÀN TRANG)
   -------------------------------------------------------------------------- */
.d-flex { display: flex; }
.row-flex-wrap { display: flex; flex-wrap: wrap; }
.clear-both { clear: both; }

/* --------------------------------------------------------------------------
   D. EFFECTS, ANIMATIONS & MISC
   -------------------------------------------------------------------------- */
.bg-main { background-color: #008f8c; }
.bg-gray { background-color: #f9f9f9; }

.rotate90 { transform: rotate(90deg); }

.list-style-type-disc li { list-style-type: disc; }

@keyframes change-color {
  from { color: #006b69; }
  to { color: #d58330; }
}
/* ==========================================================================
   6. MEDIA QUERIES (RESPONSIVE)
   ========================================================================== */

/* --------------------------------------------------------------------------
   A. BREAKPOINT: < 360px (Điện thoại siêu nhỏ)
   -------------------------------------------------------------------------- */
@media (max-width: 360px) {
    .form-hotline-link { font-size: 25px; }
}

/* --------------------------------------------------------------------------
   B. BREAKPOINT: < 576px (Điện thoại)
   -------------------------------------------------------------------------- */
@media only screen and (max-width: 576px) {
    /* --- Tùy chỉnh hiển thị (thường dùng cho Mobile) --- */
    .top-header, 
    .top-menu, 
    .lz-top-menu { 
        display: none; 
    }
    body { 
        padding-top: 56px !important; 
    }
    
    .mobile-navbar { 
        display: flex; 
    }    
    
    /* Layout & Banner (ĐÃ TỐI ƯU CLS) */
      .banner {
        margin-top: 0;
        width: 100%;
        display: block;
        overflow: hidden;
        background: #f5f5f5; /* Khung chờ tải ảnh rất tốt cho UX */
        aspect-ratio: 16/9 !important;
        min-height: 0 !important;
         }
    
    .banner-img {
        display: block;
        width: 100% !important;
        height: 100% !important;
        aspect-ratio: 16/9 !important;
        object-fit: cover !important;
        border-radius: 8px;
       }

    /* Typography & Spacing */
    .post-page .left .section-title { font-size: 28px !important; font-weight: 800 !important; line-height: 1.2 !important; margin-bottom: 15px !important; }
    .section-title { font-size: 24px; line-height: 32px; }
    .child-page-content { padding-top: 0px; padding-bottom: 20px; }
    .about-page .about-content .section-title { margin-bottom: 30px; }
    .footer-policy-links { flex-wrap: wrap; gap: 10px 15px; font-size: 13px; }
}

/* --------------------------------------------------------------------------
   C. BREAKPOINT: < 768px (Tablet / Mobile lớn)
   -------------------------------------------------------------------------- */
@media screen and (max-width: 768px) {
    .footer {
        padding-bottom: 80px !important; 
    }
    /* 2. CTA Widgets (Zalo/Call/BackToTop) - Giữ nguyên, cấu trúc rất ổn */
    .contact-widget {
        flex-direction: row; bottom: 0; left: 0; width: 100%; background: #fff; padding: 10px; box-shadow: 0 -2px 10px rgba(0,0,0,0.1); gap: 8px; justify-content: space-around; border-top-left-radius: 15px; border-top-right-radius: 15px;
    }
    .btn-contact {
        padding: 8px 10px; font-size: 13px; flex: 1; justify-content: center; border-radius: 8px; box-shadow: none; width: auto !important; height: auto !important; overflow: visible;
    }
    .btn-contact .btn-text { opacity: 1 !important; transform: none !important; margin-left: 6px; }
    .btn-contact:hover { transform: none; }
    .btn-contact .icon-wrap { width: 28px; height: 28px; margin-right: 0; }
    .btn-call { animation: none; }
    .zalo-text-icon { font-size: 10px !important; }
    
    .scroll-top-btn {
        bottom: 90px !important; z-index: 199999 !important; padding: 0 !important; width: 45px; height: 45px;
    }

    /* 3. Blog CTA - Giữ nguyên */
    .blog-mid-cta { flex-direction: column; text-align: center; padding: 20px 15px; }
    .mid-cta-actions { width: 100%; flex-direction: column; gap: 10px; }
    .btn-mid-call, .btn-mid-reg { width: 100%; padding: 11px 15px; }

    /* 4. Banner Overlay - Giữ nguyên */
    .banner-overlay { justify-content: center; text-align: center; background: rgba(0,0,0,0.55); }
    .banner-text-box { padding: 0 20px; }
    .banner-title { font-size: 24px; }
    
    .scroll-top-btn {
    bottom: 68px !important;
    z-index: 199999 !important;
    padding: 0 !important;
    width: 45px;
    height: 45px;
}
} /* <--- DẤU NGOẶC ĐÓNG CỦA KHỐI 768px */

/* =========================================================
   TỐI ƯU THANH LIÊN HỆ (CONTACT WIDGET) SIÊU CHUẨN ĐỘC LẬP
   ========================================================= */

/* 1. Màn hình từ 376px -> 430px (iPhone 12/13/14 Pro Max...) */
@media screen and (max-width: 430px) { 
    .contact-widget {
        gap: 4px !important; 
        padding: 8px 4px !important;
        justify-content: center !important; 
    }
    .btn-contact { 
        padding: 6px 4px !important; 
        flex: 1 1 auto !important; /* Cho phép các nút chia đều nhưng vẫn co giãn */
        min-width: 0 !important; 
    } 
    .btn-contact .btn-text {
        font-size: 11.5px !important;
        margin-left: 0px !important; /* ĐÃ CHỈNH: Ép Text sát vào Icon */
        letter-spacing: -0.2px !important; 
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
    }
    .btn-contact .icon-wrap { 
        width: 22px !important; 
        height: 22px !important;
    }
}

/* 2. Màn hình từ 331px -> 375px (iPhone X, màn 360px, 341px...) */
@media screen and (max-width: 375px) { 
    .contact-widget {
        gap: 3px !important; 
        padding: 6px 2px !important;
    }
    .btn-contact { 
        padding: 6px 2px !important; 
    } 
    .btn-contact .btn-text {
        font-size: 10.5px !important; 
        margin-left: 0px !important; /* ĐÃ CHỈNH: Ép Text sát vào Icon */
        letter-spacing: -0.4px !important; 
    }
    .btn-contact .icon-wrap { 
        width: 18px !important; 
        height: 18px !important;
    }
}

/* 3. Màn hình cực nhỏ dưới 330px (iPhone SE 320px) */
@media screen and (max-width: 330px) { 
    .contact-widget {
        gap: 2px !important; 
    }
    .btn-contact .btn-text {
        font-size: 9.5px !important; 
        margin-left: 0px !important; /* ĐÃ CHỈNH: Ép Text sát vào Icon */
        letter-spacing: -0.5px !important; 
    }
    .btn-contact .icon-wrap { 
        width: 16px !important; 
        height: 16px !important;
    }
}

/* --------------------------------------------------------------------------
   D. BREAKPOINT: < 992px (Laptop nhỏ / Tablet ngang)
   -------------------------------------------------------------------------- */
/* ... (mã cũ tiếp tục) ... */
/* --------------------------------------------------------------------------
   D. BREAKPOINT: < 992px (Laptop nhỏ / Tablet ngang)
   -------------------------------------------------------------------------- */
    @media (max-width: 991px) {
        .hidden-mobile { display: none !important; }
    
        .header-flex-container {
            justify-content: space-between;
            padding: 5px 0;
        }
    
        .logo-img-custom {
            width: 140px !important;
            height: auto !important;
            object-fit: contain !important;
            display: block;
        }
    
        .header-action .btn-register-cta {
            padding: 8px 16px;
            font-size: 13px;
        }
    
        .contact-content .map {
            display: none !important;
        }
    }
/* --------------------------------------------------------------------------
   E. BREAKPOINT: < 1024px (Tablet lớn)
   -------------------------------------------------------------------------- */
    @media only screen and (max-width: 1024px) {
        .top-header .container { width: 100%; }
        .lz-top-header-content { margin-bottom: 10px; }
        .lz-top-header-content .right li span { margin-right: 5px; }
        
        .mt-70 { margin-top: 50px; }
        .mt-50 { margin-top: 30px; }
        .pbt-120 { padding-bottom: 90px; }
        .mbt-70 { margin-bottom: 50px; }
        
        .section-title { font-size: 34px; line-height: 40px; }
        .child-page .why-choose-us { padding-bottom: 40px; }
        .blog-page .news-item .news-title a { font-size: 20px; }
        
        /* Box Ảnh chuẩn đét, không thừa dòng nào */
        .news-box .box-img,
        .blog-content.child-page-content .news-box .news-item .box-img { 
            display: block;
            aspect-ratio: 3 / 2;
            background: #f5f5f5;
            overflow: hidden;
        }
    
        .news-box .box-img img,
        .blog-content.child-page-content .news-box .news-item .box-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
    }
/* --------------------------------------------------------------------------
   F. BREAKPOINT: < 1365px & 1480px (Desktop rộng)
   -------------------------------------------------------------------------- */
    @media only screen and (max-width: 1365px) {
        .lz-top-header-content { 
            margin-bottom: 15px; 
        }
        .lz-top-header-content .right li { 
            padding-left: 0 !important; 
        }
    }
    
    @media only screen and (max-width: 1480px) {
        /* Tinh chỉnh lại vị trí dải nền màu xanh của menu cấp 1 trên màn hình vừa */
        .lz-top-menu-content:before { 
            left: -100px; 
        }
    }

/* --------------------------------------------------------------------------
   G. BREAKPOINT: >= 992px (Desktop Lớn - Override)
   -------------------------------------------------------------------------- */
    @media (min-width: 992px) {
        /* Khung cha giữ tỷ lệ chuẩn để trình duyệt khoét lỗ trước, triệt tiêu CLS */
        .banner { 
            width: 100%;
            display: block;
            aspect-ratio: 1490 / 312 !important; 
            background: #f5f5f5; 
            overflow: hidden;
        }
        .banner-overlay { 
            align-items: center; 
            padding-left: 8%; 
        }
        
        .contact-content .map { 
            margin-top: 85px !important; 
        }
    }

/* --------------------------------------------------------------------------
   H. HOVER STATES (DESKTOP ONLY)
   -------------------------------------------------------------------------- */
    @media screen and (min-width: 769px) {
        .btn-contact:hover {
            width: 195px; padding-right: 20px; border-radius: 50px; box-shadow: 0 6px 15px rgba(0,0,0,0.3);
        }
        .btn-contact:hover .btn-text { opacity: 1; transform: translateX(0); }
    }

/*3113-2760-2768chua xoa trong main.js
switchboard-btn,switchboard-popup,search-form*/
/* =========================================================
   NÚT TÌM KIẾM MENU (CHỈ DESKTOP) - PURE CSS (KHÔNG DÙNG JS)
   ========================================================= */
.lz-top-menu-content > li.menu-search-wrapper {
    position: relative;
}
.lz-top-menu-content > li.menu-search-wrapper > label::before {
     display: none !important;
}

/* Ẩn thẻ checkbox dùng để điều khiển tắt/mở */
#search-toggle-checkbox {
    display: none;
}

/* Biến thẻ Label thành nút bấm (kế thừa style của menu) */
.menu-search-wrapper .search-toggle-btn {
    padding: 15px 20px !important; 
    display: flex !important;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin: 0;
    font-weight: 700;
    color: #ffffff;
    transition: color 0.3s ease;
}

.menu-search-wrapper .search-toggle-btn:hover {
    color: #ffb800;
}

.menu-search-wrapper .search-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.menu-search-wrapper:hover .search-icon {
    transform: scale(1.15); 
}

/* Box form tìm kiếm trỏ xuống */
.search-dropdown-box {
    position: absolute;
    top: 100%;
    right: 0;
    width: 320px;
    background: #ffffff;
    padding: 15px;
    border-radius: 0 0 6px 6px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    border-top: 3px solid #ffcc00;
    z-index: 100;
    
    /* Trạng thái mặc định: Ẩn */
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* HIỆU ỨNG THẦN THÁNH PURE CSS: Mở form khi checkbox được check */
#search-toggle-checkbox:checked ~ .search-dropdown-box {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Cấu trúc thanh Input & Nút bấm */
.header-search-form {
    display: flex;
    position: relative;
    width: 100%;
}

.header-search-input {
    width: 100%;
    height: 44px;
    padding: 10px 45px 10px 15px;
    border: 1px solid #ddd;
    border-radius: 30px;
    font-size: 14px;
    outline: none;
    color: #333;
    transition: all 0.3s ease;
}

.header-search-input:focus {
    border-color: #005da4;
    box-shadow: 0 0 0 3px rgba(0, 93, 164, 0.1);
}

.header-search-submit {
    position: absolute;
    right: 5px;
    top: 5px;
    width: 34px;
    height: 34px;
    background: #005da4;
    color: #fff;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.3s;
}

.header-search-submit:hover {
    background: #ffcc00;
    color: #005da4;
}