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



 .main-content {
     position: relative;
     z-index: 1;
     opacity: 0;
     transform: translateY(20px);
     transition: all 0.8s ease;
 }

 .main-content.show {
     opacity: 1;
     transform: translateY(0);
 }

 /* Overlay full màn hình */
 #intro-overlay {
     position: fixed;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background: white;
     z-index: 9999;
     display: flex;
     justify-content: center;
     align-items: center;
     overflow: hidden;
 }



 body {
     font-family: Arial, sans-serif;
     background-color: white;
     color: white;

 }

 .header {
     background-color: #011351;
     padding: 10px 0;
 }

 .header-container {
     max-width: 1200px;
     width: 100%;
     margin: 0 auto;
     display: flex;
     justify-content: space-between;
     align-items: center;
     padding: 0 15px;
     /* Thêm padding để không dính sát mép khi thu nhỏ */
 }


 .address-info {
     display: flex;
     align-items: center;
     gap: 10px;
     font-size: 14px;
 }

 .address-icon {
     width: 20px;
     height: 20px;
     fill: white;
 }

.logo {
    width: 80px;
    height: 80px;
    background: radial-gradient(circle at center, #ffffff 60%, #f5c8c8 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #b30000;
    font-size: 16px;
    position: relative;
    overflow: hidden;
    animation: logoPulse 3s ease-in-out infinite;
    border: 4px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    z-index: 0;
}
.logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

 .logo::before {
     content: '';
     position: absolute;
     top: -150%;
     left: -150%;
     width: 300%;
     height: 300%;
     background: linear-gradient(120deg,
             transparent 40%,
             rgba(209, 71, 103, 0.51) 70%,
             transparent 50%);
     animation: shimmer 5.5s linear infinite;
     transform: rotate(25deg);
     pointer-events: none;
     z-index: 1;
     opacity: 0.6;
 }

 /* Ánh sáng quét */
 @keyframes shimmer {
     0% {
         transform: translate(-100%, -100%) rotate(25deg);
     }

     100% {
         transform: translate(100%, 100%) rotate(25deg);
     }
 }

 /* Logo phát sáng và nở ra - thu lại */
 @keyframes logoPulse {
     0% {
         transform: scale(1);
         box-shadow:
             0 0 10px rgba(255, 255, 255, 0.2),
             0 0 20px rgba(255, 255, 255, 0.3),
             0 0 0 rgba(30, 60, 114, 0);
         border-color: rgba(255, 255, 255, 0.3);
     }

     50% {
         transform: scale(1.08);
         box-shadow:
             0 0 20px rgba(255, 255, 255, 0.5),
             0 0 40px rgba(255, 255, 255, 0.6),
             0 0 60px rgba(30, 60, 114, 0.4);
         border-color: rgba(255, 255, 255, 0.9);
     }

     100% {
         transform: scale(1);
         box-shadow:
             0 0 10px rgba(255, 255, 255, 0.2),
             0 0 20px rgba(255, 255, 255, 0.3),
             0 0 0 rgba(30, 60, 114, 0);
         border-color: rgba(255, 255, 255, 0.3);
     }
 }




 

 .intro-section {
     display: flex;
     justify-content: center;
     align-items: center;
     background: #fff;
     padding: 60px 20px;
 }

 .intro-container {
     display: flex;
     max-width: 1200px;
     width: 100%;
     align-items: center;
     justify-content: space-between;
     gap: 20px;
     flex-wrap: wrap;
 }

 .intro-box {
     flex: 1 1 30%;
     display: flex;
     justify-content: center;
     align-items: center;
 }


 .intro-box img {
     width: 100%;
     max-width: 100%;
     height: auto;
     transition: transform 1s ease, opacity 1s ease;
     display: block;
     border-radius: 12px;
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
 }


 .slide-left {
     transform: translateX(-100%);
 }

 .slide-right {
     transform: translateX(100%);
 }

 .intro-center {
     margin: 20px;
     display: flex;
     flex-direction: column;
     align-items: center;
     gap: 20px;
     text-align: center;
     padding: 30px;
     background-color: white;
     color: black;
     border-radius: 16px;
     position: relative;
     max-width: 700px;
     z-index: 10;

     /* Viền xanh dương nhẹ */
     border: 1px solid rgba(0, 102, 255, 0.3);

     /* Đổ bóng phát sáng màu xanh */
     box-shadow:
         0 0 0 4px rgba(0, 102, 255, 0.1),
         0 0 15px rgba(0, 102, 255, 0.2),
         0 8px 24px rgba(0, 0, 0, 0.1);
     /* giữ bóng gốc */

     transition: box-shadow 0.3s ease;
 }

 /* Khi hover, tăng độ sáng lên một chút */
 .intro-center:hover {
     box-shadow:
         0 0 0 6px rgba(0, 102, 255, 0.2),
         0 0 25px rgba(0, 102, 255, 0.3),
         0 8px 24px rgba(0, 0, 0, 0.15);
 }


 .intro-quote {
     font-family: 'Courier New', Courier, monospace;
     font-size: clamp(32px, 5vw, 80px);
     font-weight: 800;
     text-transform: uppercase;
     letter-spacing: 5px;
     text-align: center;
     white-space: nowrap;

     color: transparent;
     background: repeating-linear-gradient(-45deg,
             rgba(0, 0, 0, 0.05),
             rgba(0, 0, 0, 0.05) 2px,
             transparent 2px,
             transparent 4px);
     -webkit-background-clip: text;
     background-clip: text;
 }





 .intro-center h2 {
     font-size: 36px;
     margin-bottom: 20px;
     line-height: 1.3;
     font-weight: bold;
 }

 .text-blue {
     font-size: 45px;
     font-weight: 700;
     /* giảm nhẹ nét đậm */
     text-transform: uppercase;
     letter-spacing: 1.5px;

     background: linear-gradient(90deg, #0066ff, #00ccff);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;

     font-family: 'Poppins', sans-serif;
     -webkit-font-smoothing: antialiased;
     -moz-osx-font-smoothing: grayscale;

     text-shadow: 0.5px 0.5px 1px rgba(0, 0, 0, 0.1);
     /* làm đều viền */
 }




 .text-primary {
     font-size: 45px;
     font-weight: 700;
     /* giảm nhẹ nét đậm */
     text-transform: uppercase;
     letter-spacing: 1.5px;

     background: linear-gradient(90deg, #0066ff, #00ccff);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;

     font-family: 'Poppins', sans-serif;
     -webkit-font-smoothing: antialiased;
     -moz-osx-font-smoothing: grayscale;

     text-shadow: 0.5px 0.5px 1px rgba(0, 0, 0, 0.1);
     /* làm đều viền */
 }


 .intro-center p {
     color: #333;
     font-size: 16px;
     line-height: 1.6;
     margin-bottom: 25px;
 }

 .intro-center-wrapper {
     position: relative;
     display: flex;
     flex-direction: column;
     align-items: center;
 }

 /* Welcome nhô lên trên */
 .floating-welcome {
     position: absolute;
     top: -60px;
     /* đẩy lên trên */
     z-index: 20;
 }

 /* Nút xem thêm nổi bên dưới */
 .floating-btn {
     position: absolute;
     bottom: -40px;
     /* đẩy xuống dưới */
     z-index: 20;
 }

 /* Responsive nếu cần */
 @media (max-width: 768px) {
     .floating-welcome {
         top: -40px;
     }

     .floating-btn {
         bottom: -30px;
     }
 }


 .btn-xemthem {
     background-color: #0066ff;
     color: white;
     text-decoration: none;
     padding: 12px 30px;
     border-radius: 50px;
     font-weight: bold;
     font-size: 16px;
     display: inline-flex;
     align-items: center;
     gap: 8px;
     box-shadow: 0 4px 10px rgba(0, 102, 255, 0.3);
     transition: background-color 0.3s ease, transform 0.2s ease;
     cursor: pointer;
 }

 .btn-xemthem:hover {
     background-color: #0044cc;
 }

 /* Hiệu ứng xoay icon khi hover */
 .btn-xemthem span {
     display: inline-block;
     transition: transform 0.3s ease;
 }

 .btn-xemthem:hover span {
     transform: rotate(90deg);
 }

 .criteria-section {
     width: 100%;
     background: url('/assets/images/bg-tc.jpg') no-repeat center center;
     background-size: cover;
     padding: 60px 20px;
     color: #fff;
 }

 .criteria-bg {
     max-width: 1200px;
     margin: 0 auto;
 }

 .criteria-content {
     display: flex;
     justify-content: space-between;
     align-items: center;
     flex-wrap: wrap;
     gap: 30px;
 }

 .criteria-title {
     flex: 1;
     text-align: left;
 }

 .criteria-title h2 {
     font-size: 22px;
     color: #ffffffcc;
     margin-bottom: 10px;
 }

 .criteria-title h1 {
     font-size: 36px;
     font-weight: bold;
     color: #fff;
 }

 .criteria-icons {
     flex: 1.5;
     display: flex;
     justify-content: flex-end;
     gap: 30px;
     flex-wrap: nowrap;
 }

 .criteria-item {
     display: flex;
     flex-direction: column;
     align-items: center;
     text-align: center;
 }

 .circle-icon {
     position: relative;
     background: rgba(251, 251, 251, 0.6);
     border-radius: 50%;
     width: 150px;
     height: 150px;
     display: flex;
     align-items: center;
     justify-content: center;
     z-index: 1;
 }

 .circle-icon::after {
     content: '';
     position: absolute;
     bottom: -10px;
     left: 50%;
     transform: translateX(-50%);
     width: 90%;
     height: 10px;
     background: radial-gradient(ellipse at center, rgba(244, 241, 182, 0.644) 0%, transparent 80%);
     border-radius: 40%;
     z-index: -1;
 }



 .circle-icon:hover {
     transform: scale(1.05);
 }

 .circle-icon img {
     width: 60px;
     height: 60px;
 }

 .criteria-item p {
     margin-top: 15px;
     font-size: 18px;
     font-weight: 600;
     color: #fff;
 }

 .courses-section {
     padding: 80px 0;
     background: linear-gradient(135deg, #ffffff 0%, #ffffff 100%);
     position: relative;
 }

 .courses-section::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23000" opacity="0.02"/><circle cx="75" cy="75" r="1" fill="%23000" opacity="0.02"/><circle cx="25" cy="75" r="1" fill="%23000" opacity="0.02"/><circle cx="75" cy="25" r="1" fill="%23000" opacity="0.02"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grain)"/></svg>') repeat;
     pointer-events: none;
 }

 .courses-container {
     max-width: 1200px;
     margin: 0 auto;
     padding: 0 20px;
     position: relative;
     z-index: 1;
 }

 .courses-header {
     text-align: center;
     margin-bottom: 60px;
 }

 .courses-header h2 {
     font-size: 2.5rem;
     font-weight: 700;
     color: #2c3e50;
     margin-bottom: 20px;
     text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
 }

 .header-line {
     display: flex;
     align-items: center;
     justify-content: center;
     gap: 15px;
 }

 .line-decoration {
     width: 80px;
     height: 3px;
     background: linear-gradient(90deg, transparent, #4a90e2, transparent);
     border-radius: 2px;
 }

 .center-icon {
     width: 40px;
     height: 40px;
     background: white;
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
     animation: pulse 2s infinite;
 }

 @keyframes pulse {

     0%,
     100% {
         transform: scale(1);
         box-shadow: 0 4px 15px rgba(168, 191, 218, 0.3);
     }

     50% {
         transform: scale(1.1);
         box-shadow: 0 6px 20px rgba(171, 185, 202, 0.5);
     }
 }

 .courses-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
     gap: 30px;
     margin-top: 50px;
 }

 .course-card {
     background: white;
     border-radius: 20px;
     overflow: hidden;
     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
     transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
     position: relative;
     height: 280px;
 }

 .course-card:hover {
     transform: translateY(-10px) scale(1.02);
     box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
 }

 .course-image {
     position: relative;
     width: 100%;
     height: 100%;
     overflow: hidden;
 }

 .course-image img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     transition: transform 0.5s ease;
 }

 .course-card:hover .course-image img {
     transform: scale(1.1);
 }

 .course-overlay {
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background: linear-gradient(135deg, rgba(44, 62, 80, 0.85) 0%, rgba(52, 152, 219, 0.85) 100%);
     display: flex;
     flex-direction: column;
     justify-content: center;
     align-items: center;
     opacity: 0;
     transition: all 0.4s ease;
     text-align: center;
     padding: 20px;
 }

 .course-card:hover .course-overlay {
     opacity: 1;
 }

 .course-overlay h3 {
     color: white;
     font-size: 1.5rem;
     font-weight: 700;
     margin-bottom: 10px;
     transform: translateY(20px);
     transition: transform 0.4s ease 0.1s;
 }

 .course-card:hover .course-overlay h3 {
     transform: translateY(0);
 }

 .course-overlay p {
     color: rgba(255, 255, 255, 0.9);
     font-size: 1rem;
     margin-bottom: 25px;
     transform: translateY(20px);
     transition: transform 0.4s ease 0.2s;
 }

 .course-card:hover .course-overlay p {
     transform: translateY(0);
 }

 .course-btn {
     display: flex;
     align-items: center;
     gap: 10px;
     background: rgba(255, 255, 255, 0.2);
     backdrop-filter: blur(10px);
     border: 2px solid rgba(255, 255, 255, 0.3);
     padding: 12px 25px;
     border-radius: 30px;
     color: white;
     font-weight: 600;
     transition: all 0.3s ease;
     cursor: pointer;
     transform: translateY(20px);
     transition: all 0.4s ease 0.3s;
 }

 .course-card:hover .course-btn {
     transform: translateY(0);
     background: rgba(255, 255, 255, 0.3);
     border-color: rgba(255, 255, 255, 0.5);
 }

 .course-btn:hover {
     background: white;
     color: #8199b1;
     transform: translateY(-2px);
 }

 .course-btn svg {
     transition: transform 0.3s ease;
 }

 .course-btn:hover svg {
     transform: translateX(5px);
 }

 /* Responsive Design */
 @media (max-width: 768px) {
     .courses-grid {
         grid-template-columns: 1fr;
         gap: 20px;
     }

     .courses-header h2 {
         font-size: 2rem;
     }

     .course-card {
         height: 250px;
     }
 }

 @media (max-width: 480px) {
     .courses-container {
         padding: 0 15px;
     }

     .courses-header h2 {
         font-size: 1.8rem;
     }

     .course-overlay h3 {
         font-size: 1.3rem;
     }
 }

 .image-section {
     width: 100%;


 }

 .image-container img {
     width: 100%;
     height: 500px;
     border-radius: 12px;
     box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
     transition: transform 0.3s ease;
 }

 .facilities-section {
     padding: 80px 0;
     background: linear-gradient(135deg, #fbfbfb 0%, #ffffff 100%);
     position: relative;
     overflow: hidden;
 }

 .facilities-section::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%23fff" opacity="0.1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23dots)"/></svg>') repeat;
     pointer-events: none;
 }

 .facilities-container {
     max-width: 1200px;
     margin: 0 auto;
     padding: 0 20px;
     position: relative;
     z-index: 1;
 }

 .facilities-header {
     text-align: center;
     margin-bottom: 60px;
     color: black;
 }

 .facilities-header h2 {
     font-size: 3rem;
     font-weight: 700;
     color: black;

     margin-bottom: 20px;
     text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
 }

 .header-line {
     display: flex;
     align-items: center;
     justify-content: center;
     gap: 15px;
 }

 .line-decoration {
     width: 80px;
     height: 3px;
     background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
     border-radius: 2px;
 }

 .center-icon {
     width: 40px;
     height: 40px;
     background: rgba(255, 255, 255, 0.2);
     backdrop-filter: blur(10px);
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
     animation: pulse 2s infinite;
 }

 @keyframes pulse {

     0%,
     100% {
         transform: scale(1);
         box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
     }

     50% {
         transform: scale(1.1);
         box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
     }
 }

 .slider-container {
     position: relative;
     max-width: 800px;
     margin: 0 auto;
 }

 .slider-wrapper {
     overflow: hidden;
     border-radius: 20px;
     box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
 }

 .slider-track {
     display: flex;
     transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
 }

 .slide {
     min-width: 100%;
     position: relative;
     height: 400px;
 }

 .slide img {
     width: 100%;
     height: 100%;
     object-fit: cover;
 }

 .slide-content {
     position: absolute;
     bottom: 0;
     left: 0;
     right: 0;
     background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
     padding: 60px 40px 40px;
     color: white;
     text-align: center;
 }

 .slide-content h3 {
     font-size: 1.8rem;
     font-weight: 700;
     margin-bottom: 10px;
     text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
 }

 .slide-content p {
     font-size: 1.1rem;
     opacity: 0.9;
     text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
 }

 .nav-btn {
     position: absolute;
     top: 50%;
     transform: translateY(-50%);
     background: rgba(255, 255, 255, 0.2);
     backdrop-filter: blur(10px);
     border: 2px solid rgba(255, 255, 255, 0.3);
     border-radius: 50%;
     width: 50px;
     height: 50px;
     display: flex;
     align-items: center;
     justify-content: center;
     cursor: pointer;
     transition: all 0.3s ease;
     z-index: 10;
 }

 .nav-btn:hover {
     background: rgba(255, 255, 255, 0.3);
     transform: translateY(-50%) scale(1.1);
 }

 .prev-btn {
     left: 20px;
 }

 .next-btn {
     right: 20px;
 }

 .dots-container {
     display: flex;
     justify-content: center;
     gap: 10px;
     margin-top: 30px;
 }

 .dot {
     width: 12px;
     height: 12px;
     border-radius: 50%;
     background: rgba(255, 255, 255, 0.3);
     cursor: pointer;
     transition: all 0.3s ease;
     position: relative;
 }

 .dot.active {
     background: white;
     transform: scale(1.2);
 }

 .dot:hover {
     background: rgba(255, 255, 255, 0.6);
 }

 .dot::after {
     content: '';
     position: absolute;
     top: 50%;
     left: 50%;
     transform: translate(-50%, -50%);
     width: 20px;
     height: 20px;
     border-radius: 50%;
     background: rgba(255, 255, 255, 0.1);
     opacity: 0;
     transition: opacity 0.3s ease;
 }

 .dot.active::after {
     opacity: 1;
 }

 /* Responsive Design */
 @media (max-width: 768px) {
     .facilities-header h2 {
         font-size: 2rem;
     }

     .slide {
         height: 300px;
     }

     .slide-content {
         padding: 40px 20px 20px;
     }

     .slide-content h3 {
         font-size: 1.4rem;
     }

     .slide-content p {
         font-size: 1rem;
     }

     .nav-btn {
         width: 40px;
         height: 40px;
     }

     .prev-btn {
         left: 10px;
     }

     .next-btn {
         right: 10px;
     }
 }

 @media (max-width: 480px) {
     .facilities-container {
         padding: 0 15px;
     }

     .facilities-header h2 {
         font-size: 1.8rem;
     }

     .slide {
         height: 250px;
     }

     .slide-content {
         padding: 30px 15px 15px;
     }

     .slide-content h3 {
         font-size: 1.2rem;
     }
 }

 .team-section {
     padding: 40px 20px;
     background-image: url(/assets/images/bg-gv.jpg);
     text-align: center;
     font-family: 'Arial', sans-serif;

 }

 .team-container h2 {
     font-size: 40px;
     font-weight: bold;
     margin-bottom: 20px;
     color: #222;
     text-transform: uppercase;
 }

 .team-content {
     display: inline-block;
     max-width: 300px;
     position: relative;
 }

 .team-photo {
     border-radius: 15px;
     overflow: hidden;
     box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
     margin-bottom: 10px;
 }

 .team-photo img {
     width: 100%;
     height: auto;
     display: block;
     border-radius: 15px;
 }

 .team-description {
     font-weight: 700;
     color: #ffffff;
     font-size: 25px;
     letter-spacing: 1.2px;
 }

 /* SECTION: Đào Tạo Và Thi Thử */
 .training-section {
     padding: 80px 0;
     background: #f8f9fa;
 }

 .training-container {
     max-width: 1200px;
     margin: 0 auto;
     padding: 0 20px;
 }

 .training-header {
     text-align: center;
     margin-bottom: 60px;
 }

 .training-header h2 {
     font-size: 2.5rem;
     font-weight: bold;
     color: #2c3e50;
     margin-bottom: 20px;
     text-transform: uppercase;
     letter-spacing: 1px;
 }

 .training-content {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 40px;
     align-items: start;
 }

 /* Video chính */
 .main-video {
     position: relative;
 }

 .video-container {
     position: relative;
     width: 100%;
     border-radius: 15px;
     overflow: hidden;
     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
 }

 .video-placeholder {
     position: relative;
     width: 100%;
     height: 350px;
     background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
     background-image: url('https://www.youtube.com/embed/Y07ecSj9u3Q');
     background-size: cover;
     background-position: center;
     display: flex;
     align-items: center;
     justify-content: center;
 }

 .video-overlay {
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background: rgba(0, 0, 0, 0.3);
     display: flex;
     align-items: center;
     justify-content: center;
     cursor: pointer;
     transition: all 0.3s ease;
 }

 .video-overlay:hover {
     background: rgba(0, 0, 0, 0.5);
 }

 .play-button {
     background: rgba(255, 255, 255, 0.2);
     border-radius: 50%;
     padding: 20px;
     backdrop-filter: blur(10px);
     border: 2px solid rgba(255, 255, 255, 0.3);
     transition: all 0.3s ease;
 }

 .play-button:hover {
     background: rgba(255, 255, 255, 0.3);
     transform: scale(1.1);
 }

 .video-info {
     position: absolute;
     top: 15px;
     right: 15px;
     background: rgba(0, 0, 0, 0.7);
     color: white;
     padding: 5px 10px;
     border-radius: 15px;
     font-size: 0.9rem;
     font-weight: bold;
 }

 .video-title-overlay {
     position: absolute;
     bottom: 0;
     left: 0;
     right: 0;
     background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
     color: white;
     padding: 30px 20px 20px;
 }

 .video-title-overlay h3 {
     font-size: 1.3rem;
     margin: 0;
     font-weight: bold;
 }

 /* Danh sách bài viết */
 .articles-list {
     display: flex;
     flex-direction: column;
     gap: 20px;
 }

 .article-item {
     display: flex;
     background: rgb(220, 218, 218);
     border-radius: 12px;
     overflow: hidden;
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
     transition: all 0.3s ease;
     cursor: pointer;
 }

 .article-item:hover {
     transform: translateY(-5px);
     box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
 }

 .article-image {
     position: relative;
     width: 120px;
     height: 120px;
     flex-shrink: 0;
     overflow: hidden;
 }

 .article-image img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     transition: transform 0.3s ease;
 }

 .article-item:hover .article-image img {
     transform: scale(1.1);
 }

 .article-overlay {
     position: absolute;
     top: 50%;
     left: 50%;
     transform: translate(-50%, -50%);
     background: rgba(0, 0, 0, 0.6);
     border-radius: 50%;
     padding: 8px;
     display: flex;
     align-items: center;
     justify-content: center;
 }

 .article-content {
     flex: 1;
     padding: 15px;
     display: flex;
     flex-direction: column;
     justify-content: center;
 }

 .article-content h4 {
     font-size: 1rem;
     font-weight: bold;
     color: #537495;
     margin: 0 0 8px 0;
     line-height: 1.3;
     text-transform: uppercase;
 }

 .article-content p {
     font-size: 0.85rem;
     color: #666;
     margin: 0;
     line-height: 1.4;
     display: -webkit-box;
     -webkit-line-clamp: 3;
     -webkit-box-orient: vertical;
     overflow: hidden;
 }

 /* Responsive */
 @media (max-width: 768px) {
     .training-content {
         grid-template-columns: 1fr;
         gap: 30px;
     }

     .training-header h2 {
         font-size: 2rem;
     }

     .video-placeholder {
         height: 250px;
     }

     .article-item {
         flex-direction: column;
     }

     .article-image {
         width: 100%;
         height: 150px;
     }

     .article-content {
         padding: 20px;
     }

     .article-content h4 {
         font-size: 1.1rem;
     }

     .article-content p {
         font-size: 0.9rem;
     }
 }

 @media (max-width: 480px) {
     .training-section {
         padding: 60px 0;
     }

     .training-container {
         padding: 0 15px;
     }

     .training-header h2 {
         font-size: 1.8rem;
     }

     .video-placeholder {
         height: 200px;
     }

     .play-button {
         padding: 15px;
     }

     .play-button svg {
         width: 40px;
         height: 40px;
     }
 }

 /* Social Media Section */
 .social-media-section {
     padding: 60px 0;
     background: linear-gradient(135deg, #f4f4f4 0%, #ffffff 100%);
 }

 .social-container {
     max-width: 1200px;
     margin: 0 auto;
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 40px;
     padding: 0 20px;
 }

 .social-item {
     background: white;
     border-radius: 20px;
     padding: 30px;
     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
     border: 1px solid #e0e0e0;
     /* đường viền mảnh tinh tế */
     transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
     overflow: hidden;
     position: relative;
 }

 /* Hover để tạo cảm giác nổi */
 .social-item:hover {
     transform: translateY(-5px);
     box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
     border-color: #d1d5db;
     /* nhẹ nhàng thay đổi màu viền */
 }


 .social-header {
     display: flex;
     align-items: center;
     gap: 15px;
     margin-bottom: 25px;
 }

 .social-icon {
     width: 50px;
     height: 50px;
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     color: white;
 }

 .tiktok-icon {
     background: linear-gradient(45deg, #ff0050, #ff4081);
 }

 .facebook-icon {
     background: linear-gradient(45deg, #1877f2, #42a5f5);
 }

 .social-header h3 {
     font-size: 20px;
     font-weight: bold;
     color: #333;
 }

 /* TikTok Profile */
 .tiktok-profile {
     background: #f8f9fa;
     border-radius: 15px;
     padding: 20px;
 }

 .profile-info {
     display: flex;
     align-items: center;
     gap: 15px;
     margin-bottom: 20px;
 }

 .avatar {
     width: 60px;
     height: 60px;
     border-radius: 50%;
     background: linear-gradient(45deg, #c2185b, #e91e63);
     display: flex;
     align-items: center;
     justify-content: center;
     color: white;
     font-size: 24px;
     font-weight: bold;
 }

 .profile-details h4 {
     font-size: 18px;
     margin-bottom: 8px;
     color: #333;
 }

 .stats {
     display: flex;
     gap: 20px;
     font-size: 12px;
     color: #666;
 }

 .stats span {
     text-align: center;
     line-height: 1.2;
 }

 .tiktok-footer {
     display: flex;
     justify-content: space-between;
     align-items: center;
     padding-top: 15px;
     border-top: 1px solid #e0e0e0;
 }

 .tiktok-brand strong {
     font-size: 16px;
     color: #333;
 }

 .tiktok-brand p {
     font-size: 12px;
     color: #666;
     margin-top: 2px;
 }

 .open-tiktok-btn {
     background: linear-gradient(45deg, #ff0050, #ff4081);
     color: white;
     border: none;
     padding: 8px 16px;
     border-radius: 20px;
     font-size: 12px;
     font-weight: bold;
     cursor: pointer;
     transition: transform 0.2s ease;
 }

 .open-tiktok-btn:hover {
     transform: scale(1.05);
 }

 /* Facebook Preview */
 .facebook-preview {
     background: #f8f9fa;
     border-radius: 15px;
     padding: 20px;
     position: relative;
 }

 .facebook-page {
     background: white;
     border-radius: 12px;
     overflow: hidden;
     box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
 }


 .page-header {
     display: flex;
     align-items: center;
     gap: 12px;
     padding: 15px;
     background: #f8f9fa;
 }

 .page-avatar img {
     width: 40px;
     height: 40px;
     border-radius: 50%;
 }

 .page-info h4 {
     font-size: 14px;
     color: #333;
     margin-bottom: 2px;
 }

 .page-info p {
     font-size: 12px;
     color: #666;
 }

 .page-actions {
     display: flex;
     gap: 8px;
     padding: 0 15px 15px;
 }

 .follow-btn,
 .share-btn {
     flex: 1;
     padding: 8px 12px;
     border: none;
     border-radius: 6px;
     font-size: 12px;
     cursor: pointer;
     transition: background 0.2s ease;
 }

 .follow-btn {
     background: #1877f2;
     color: white;
 }

 .follow-btn:hover {
     background: #166fe5;
 }

 .share-btn {
     background: #e4e6ea;
     color: #333;
 }

 .share-btn:hover {
     background: #d8dadf;
 }

 .page-image {
     position: relative;
     height: 120px;
     overflow: hidden;
 }

 .page-image img {
     width: 100%;
     height: 100%;
     object-fit: cover;
 }

 .certification-badge {
     position: absolute;
     bottom: 10px;
     right: 10px;
     background: white;
     border-radius: 50%;
     padding: 5px;
     box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
 }

 .location-section {
     padding: 60px 0;
     background: #fff;
 }

 .location-container {
     max-width: 1400px;
     margin: 0 auto;
     padding: 0 20px;
 }

 .location-header {
     text-align: center;
     margin-bottom: 40px;
 }

 .location-header h2 {
     font-size: 2.5rem;
     color: #111;
     margin-bottom: 10px;
     font-weight: 800;
     text-transform: uppercase;
 }

 .location-icon {
     display: flex;
     justify-content: center;
 }

 .location-buttons {
     display: flex;
     justify-content: center;
     gap: 30px;
     flex-wrap: wrap;

 }

 .location-btn {
     background: #f2f2f2;
     border-radius: 15px;
     padding: 20px;
     min-width: 300px;
     text-align: center;
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
     transition: all 0.3s ease;
 }

 .location-btn:hover {
     transform: translateY(-5px);
 }

 .btn-primary {
     background: linear-gradient(to right, #002fff, #4f82ff);
     color: white;
     border: none;
     padding: 12px 30px;
     border-radius: 25px;
     font-size: 1rem;
     font-weight: bold;
     cursor: pointer;
     transition: all 0.3s ease;
     margin-bottom: 15px;
 }

 .btn-primary:hover {
     background: linear-gradient(to right, #001ecb, #3975ff);
     box-shadow: 0 5px 15px rgba(0, 47, 255, 0.3);
 }

 .btn-info {
     display: flex;
     align-items: center;
     justify-content: center;
     gap: 6px;
     color: #333;
     font-size: 0.95rem;
 }

 .btn-info svg {
     flex-shrink: 0;
     fill: #2563eb;
 }

 @media (max-width: 768px) {
     .location-buttons {
         flex-direction: column;
         align-items: center;
         gap: 20px;
     }

     .location-header h2 {
         font-size: 2rem;
     }

     .location-btn {
         width: 100%;
         max-width: 300px;
     }
 }

 /* --- Reset / Cơ bản --- */
 .album-section {
     padding: 80px 20px;
     background: linear-gradient(135deg, #f8f9ff 0%, #e6f0ff 100%);
     overflow: visible;
     /* Cho phép phần tử bên ngoài được hiện */
 }

 .album-container {
     max-width: 1200px;
     margin: 0 auto;
     display: flex;
     align-items: center;
     justify-content: space-between;
     flex-wrap: wrap;
     gap: 40px;
 }

 /* PHẦN TEXT BÊN TRÁI */
 .album-text {
     flex: 1;
     min-width: 280px;
     max-width: 350px;
     /* giới hạn chiều ngang */
     text-align: center;
     display: flex;
     flex-direction: column;
     align-items: center;
     gap: 16px;
     padding: 10px 20px;
     background: #f0f4ff;
     /* nền sáng nhẹ */
     border-radius: 15px;
     box-shadow: 0 6px 15px rgba(0, 0, 50, 0.1);
     font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
     color: #2b2d42;
     transition: transform 0.3s ease;
 }

 .album-text:hover {
     transform: translateY(-5px);
 }

 .album-text .album-title h2 {
     font-size: 2.8rem;
     font-weight: 900;
     text-transform: uppercase;
     letter-spacing: 2px;
     color: #2a52be;
     /* xanh đẹp */
     text-shadow: 1px 1px 3px rgba(42, 82, 190, 0.4);
     margin: 0;
 }

 .album-text .album-title p {
     font-size: 1.1rem;
     font-weight: 500;
     color: #555a77;
     margin: 0;
     font-style: italic;
 }


 /* Vòng tròn chạy chữ bên trong phần text bên trái */
 .circular-text-wrapper {
     width: 200px;
     height: 200px;
     animation: rotate 20s linear infinite;
 }

 /* PHẦN ẢNH BÊN PHẢI */
 .album-photos {
     flex: 2;
     min-width: 400px;
     position: relative;
     /* Để chứa vị trí tuyệt đối cho vòng tròn ngoài */
 }

 .album-grid {
     display: grid;
     grid-template-columns: repeat(3, 1fr);
     grid-auto-rows: 200px;
     gap: 15px;
 }

 .album-item {
     position: relative;
     overflow: hidden;
     border-radius: 15px;
     box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
     transition: all 0.4s ease;
     cursor: pointer;
 }

 .album-item.large {
     grid-column: span 2;
     grid-row: span 2;
 }

 .album-item img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     transition: transform 0.4s ease;
 }

 .album-item:hover {
     transform: translateY(-6px) scale(1.02);
     box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
 }

 .album-item:hover img {
     transform: scale(1.1);
 }

 /* Vòng tròn chạy chữ ngoài ảnh đầu tiên */
 #first-photo {
     position: relative;
     /* để vòng tròn nằm đúng vị trí */
     overflow: visible;
     /* cho phép vòng tròn hiện ra ngoài */
 }

 .circular-text-wrapper-outside {
     position: absolute;
     top: 0%;
     /* căn giữa theo chiều dọc */
     left: 0%;
     /* căn giữa theo chiều ngang */
     width: 220px;
     /* vòng tròn lớn hơn ảnh */
     height: 220px;
     margin-left: -110px;
     /* dịch ra ngoài 1 nửa chiều rộng */
     margin-top: -110px;
     /* dịch ra ngoài 1 nửa chiều cao */
     pointer-events: none;
     animation: rotate 20s linear infinite;
     z-index: 10;
 }

 .circular-text-svg {
     width: 220px;
     height: 220px;
 }

 .circular-text-element {
     font-size: 12px;
     font-weight: bold;
     text-transform: uppercase;
     letter-spacing: 2px;
     fill: #3b82f6;
 }

 /* Tiêu đề album */
 .album-title h2 {
     font-size: 40px;
     font-weight: 800;
     color: #1e3a8a;
     margin: 0 0 8px 0;
     letter-spacing: 1px;
     text-transform: uppercase;
     line-height: 1.2;
 }

 .album-title h2 .highlight {
     color: #2563eb;
     font-size: 40px;
 }

 .album-title p {
     font-size: 14px;
     color: #444;
     margin: 0;
     font-style: italic;
 }

 /* Animation xoay */
 @keyframes rotate {
     from {
         transform: rotate(0deg);
     }

     to {
         transform: rotate(360deg);
     }
 }

 /* RESPONSIVE */
 @media (max-width: 1024px) {
     .album-grid {
         grid-template-columns: repeat(2, 1fr);
         grid-auto-rows: 180px;
     }

     .album-item.large {
         grid-column: span 2;
     }
 }

 @media (max-width: 768px) {
     .album-container {
         flex-direction: column;
         align-items: center;
     }

     .album-grid {
         grid-template-columns: 1fr 1fr;
         grid-auto-rows: 150px;
     }

     .album-title {
         min-width: 100px;
         height: 100px;
         padding: 15px;
     }

     .album-title h2 {
         font-size: 16px;
     }

     .album-title p {
         font-size: 11px;
     }

     .circular-text-svg {
         width: 160px;
         height: 160px;
     }

     .circular-text-wrapper-outside {
         width: 160px;
         height: 160px;
         margin-left: -80px;
         margin-top: -80px;
     }
 }

 @media (max-width: 480px) {
     .album-grid {
         grid-template-columns: 1fr;
         grid-auto-rows: 180px;
     }

     .album-item.large {
         grid-column: span 1;
         grid-row: span 1;
     }
 }

 .wrapper {
     display: flex;
     justify-content: center;
     align-items: center;
     height: 700px;
     background: #f3f4f6;
     /* màu nền tùy chọn */
     padding: 40px 20px;
     box-sizing: border-box;

 }

 .container {
     display: flex;
     max-width: 1200px;
     width: 100%;
     background: white;
     border-radius: 20px;
     box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
     overflow: hidden;
     text-align: center;
 }

 .left-section {
     flex: 1;
     background: #f8f9ff;
     padding: 80px 60px;
     display: flex;
     align-items: center;
     justify-content: center;
     position: relative;
     min-height: 300px;
     border-radius: 20%;
     width: 500px;

 }

 .circular-design {
     position: relative;
     width: 300px;
     height: 300px;
     display: flex;
     align-items: center;
     justify-content: center;
 }

 /* Outer dashed circle */
 .circle-outer {
     position: absolute;
     width: 280px;
     height: 280px;
     border: 3px dashed #ea1616;
     border-radius: 50%;
     animation: rotate 8s linear infinite;
 }

 .circle-outer::before {
     content: '';
     position: absolute;
     width: 8px;
     height: 8px;
     background: #cbe924;
     border-radius: 50%;
     top: -4px;
     left: 50%;
     transform: translateX(-50%);
 }

 .circle-outer::after {
     content: '';
     position: absolute;
     width: 8px;
     height: 8px;
     background: #2563eb;
     border-radius: 50%;
     bottom: -4px;
     left: 50%;
     transform: translateX(-50%);
 }

 /* Inner solid arc */
 .circle-inner {
     position: absolute;
     width: 200px;
     height: 200px;
     border: 4px solid transparent;
     border-left: 4px solid #2563eb;
     border-top: 4px solid #2563eb;
     border-radius: 50%;
     animation: rotate-reverse 6s linear infinite;
 }

 /* Another inner arc */
 .circle-middle {
     position: absolute;
     width: 240px;
     height: 240px;
     border: 3px solid transparent;
     border-right: 3px solid #60a5fa;
     border-bottom: 3px solid #60a5fa;
     border-radius: 50%;
     animation: rotate 4s linear infinite;
 }

 @keyframes rotate {
     0% {
         transform: rotate(0deg);
     }

     100% {
         transform: rotate(360deg);
     }
 }

 @keyframes rotate-reverse {
     0% {
         transform: rotate(360deg);
     }

     100% {
         transform: rotate(0deg);
     }
 }

 /* Center logo */
 .school-logo {
     width: 120px;
     height: 120px;
     border-radius: 50%;
     background: white;
     display: flex;
     align-items: center;
     justify-content: center;
     box-shadow: 0 8px 30px rgba(37, 99, 235, 0.2);
     z-index: 10;
     position: relative;
     border: 3px solid #2563eb;
 }

 .logo-image {
     width: 90px;
     height: 90px;
     border-radius: 50%;
     background: linear-gradient(135deg, #dc2626 0%, #1e40af 50%, #059669 100%);
     display: flex;
     align-items: center;
     justify-content: center;
     color: white;
     font-weight: bold;
     font-size: 10px;
     text-align: center;
     line-height: 1.2;
     position: relative;
     overflow: hidden;
 }

 .logo-image::before {
     content: '';
     position: absolute;
     top: 10px;
     left: 50%;
     transform: translateX(-50%);
     width: 0;
     height: 0;
     border-left: 15px solid transparent;
     border-right: 15px solid transparent;
     border-bottom: 25px solid white;
 }

 .logo-image::after {
     content: '';
     position: absolute;
     bottom: 15px;
     left: 50%;
     transform: translateX(-50%);
     width: 20px;
     height: 20px;
     background: white;
     border-radius: 50%;
 }

 .right-section {
     flex: 1;
     background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
     padding: 60px 50px;
     display: flex;
     flex-direction: column;
     justify-content: center;
     border-radius: 20px;
     min-height: 700px;
     width: 600px;
     max-width: 100%;

 }

 @media (max-width: 768px) {
     .right-section {
         width: 100% !important;
         min-width: 0;
         /* tránh flex shrink gây bóp */
         height: auto;
         padding: 40px 20px;
         box-sizing: border-box;
     }
 }

 .form-title {
     color: white;
     font-size: 32px;
     font-weight: bold;
     margin-bottom: 10px;
     text-align: center;
     letter-spacing: 1px;
 }

 .form-subtitle {
     color: rgba(255, 255, 255, 0.8);
     text-align: center;
     margin-bottom: 40px;
     font-size: 16px;
 }

 .form-group {
     margin-bottom: 25px;
 }

 .form-row {
     display: flex;
     gap: 20px;
 }

 .form-row .form-group {
     flex: 1;
 }

 .form-input {
     width: 100%;
     padding: 16px 20px;
     background: #fff;
     color: #111827;
     border: 2px solid #2563eb;
     border-radius: 10px;
     font-size: 16px;
     transition: all 0.3s ease;
     box-sizing: border-box;
 }

 .form-input::placeholder {
     color: #9ca3af;
     opacity: 0.8;
 }

 .form-input:focus {
     outline: none;
     border-color: #1e40af;
     box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
     background: #fff;
     transform: translateY(-1px);
 }

 .form-textarea {
     height: 120px;
     resize: vertical;
     font-family: inherit;
 }

 .form-textarea {
     height: 120px;
     resize: vertical;
 }

 .submit-btn {
     width: 100%;
     padding: 18px;
     background: white;
     color: #2563eb;
     border: none;
     border-radius: 12px;
     font-size: 18px;
     font-weight: bold;
     cursor: pointer;
     transition: all 0.3s ease;
     text-transform: uppercase;
     letter-spacing: 2px;
     margin-top: 20px;
 }

 .submit-btn:hover {
     transform: translateY(-3px);
     box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
     background: #f8fafc;
 }

 .submit-btn:active {
     transform: translateY(-1px);
 }

 /* Floating dots around the left section */
 .floating-dot {
     position: absolute;
     width: 8px;
     height: 8px;
     background: #60a5fa;
     border-radius: 50%;
     opacity: 0.6;
 }

 .dot-1 {
     top: 15%;
     left: 20%;
     animation: float 4s ease-in-out infinite;
 }

 .dot-2 {
     top: 25%;
     right: 25%;
     animation: float 4s ease-in-out infinite 1s;
 }

 .dot-3 {
     bottom: 30%;
     left: 15%;
     animation: float 4s ease-in-out infinite 2s;
 }

 .dot-4 {
     bottom: 20%;
     right: 20%;
     animation: float 4s ease-in-out infinite 3s;
 }

 @keyframes float {

     0%,
     100% {
         transform: translateY(0px) translateX(0px);
         opacity: 0.6;
     }

     25% {
         transform: translateY(-15px) translateX(5px);
         opacity: 1;
     }

     50% {
         transform: translateY(-10px) translateX(-5px);
         opacity: 0.8;
     }

     75% {
         transform: translateY(-20px) translateX(3px);
         opacity: 1;
     }
 }

 @media (max-width: 768px) {
     .container {
         flex-direction: column;
         margin: 10px;
     }

     .left-section {
         padding: 40px 30px;
         min-height: 400px;
     }

     .right-section {
         padding: 40px 30px;
     }

     .circular-design {
         width: 200px;
         height: 200px;
     }

     .circle-outer {
         width: 180px;
         height: 180px;
     }

     .circle-inner {
         width: 130px;
         height: 130px;
     }

     .circle-middle {
         width: 155px;
         height: 155px;
     }

     .school-logo {
         width: 80px;
         height: 80px;
     }

     .logo-image {
         width: 60px;
         height: 60px;
     }

     .form-row {
         flex-direction: column;
         gap: 0;
     }

     .form-title {
         font-size: 24px;
     }
 }

 .feature-list {
     margin-top: 50px;
     display: flex;
     flex-direction: column;
     gap: 25px;
     padding-left: 10px;
 }

 .feature-item {
     display: flex;
     align-items: center;
     justify-content: space-between;
     background: linear-gradient(to right, #e0f2fe, #bfdbfe);
     padding: 20px 25px;
     border-radius: 16px;
     box-shadow: 0 10px 30px rgba(37, 99, 235, 0.1);
     transition: all 0.3s ease;
     position: relative;
     width: 100%;
     max-width: 340px;
     cursor: pointer;
 }

 .feature-item:hover {
     background: linear-gradient(to right, #dbeafe, #93c5fd);
     transform: translateY(-4px) scale(1.02);
     box-shadow: 0 12px 40px rgba(37, 99, 235, 0.2);
 }

 .feature-number {
     width: 45px;
     height: 45px;
     background: #1d4ed8;
     color: #fff;
     border-radius: 12px;
     display: flex;
     align-items: center;
     justify-content: center;
     font-weight: bold;
     font-size: 16px;
     margin-right: 15px;
     flex-shrink: 0;
     box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
 }

 .feature-title {
     flex: 1;
     font-size: 16px;
     font-weight: 600;
     color: #1e3a8a;
     text-align: left;
 }

 .feature-icon img {
     width: 32px;
     height: 32px;
     transition: transform 0.3s ease;
 }

 .feature-item:hover .feature-icon img {
     transform: scale(1.2) rotate(8deg);
 }

 @media (max-width: 768px) {
     .feature-item {
         max-width: 100%;
         padding: 15px 20px;
     }

     .feature-title {
         font-size: 14px;
     }

     .feature-number {
         width: 38px;
         height: 38px;
         font-size: 14px;
     }

     .feature-icon img {
         width: 26px;
         height: 26px;
     }
 }


 /* Responsive fix */
 @media (max-width: 768px) {
     .feature-list {
         margin-top: 30px;
         gap: 20px;
     }

     .feature-item {
         flex-direction: row;
         padding: 12px 16px;
     }

     .feature-title {
         font-size: 14px;
     }

     .feature-icon {
         font-size: 20px;
     }
 }



 .submit-btn:hover {
     background: #f8fafc;
     box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
     transform: translateY(-3px);
 }

 .submit-btn:active {
     transform: translateY(-1px);
 }

 /* Ripple effect */
 .submit-btn .ripple {
     position: absolute;
     border-radius: 50%;
     transform: scale(0);
     animation: ripple-effect 600ms linear;
     background-color: rgba(37, 99, 235, 0.5);
     pointer-events: none;
 }

 @keyframes ripple-effect {
     to {
         transform: scale(4);
         opacity: 0;
     }
 }

 /* Ẩn thông báo cảm ơn lúc đầu */
 .form-success-message {
     margin-top: 20px;
     font-size: 18px;
     color: #22c55e;
     opacity: 0;
     max-height: 0;
     overflow: hidden;
     transition: opacity 0.5s ease, max-height 0.5s ease;
 }

 /* Hiện thông báo khi active */
 .form-success-message.active {
     opacity: 1;
     max-height: 100px;
 }

 .contact-section {
     display: flex;
     justify-content: center;
     align-items: flex-start;
     gap: 60px;
     padding: 40px 20px;
     background: #fff;
     flex-wrap: wrap;
 }

 .map-container,
 .phone-container {
     background: #f4f7ff;
     padding: 30px 40px 40px;
     /* padding dưới rộng hơn cho text */
     border-radius: 20px;
     box-shadow: 0 0 20px rgba(58, 96, 233, 0.2);
     display: flex;
     flex-direction: column;
     align-items: center;
     width: 500px;
     box-sizing: border-box;
 }

 /* Google Map */
 .map-container iframe {
     width: 460px;
     height: 460px;
     border-radius: 20px;
     border: none;
     box-shadow: 0 0 15px rgba(37, 99, 235, 0.3);
 }

 /* Label text */
 .phone-container .label-text {
     position: absolute;
     left: -40%;
     /* khoảng cách bên trái */
     top: 50%;
     transform: translateY(-50%) rotate(-0deg);
     /* xoay chữ dọc */
     transform-origin: center;
     white-space: nowrap;
     font-weight: 900;
     font-size: 20px;
     color: #2563eb;
     letter-spacing: 1.5px;
     user-select: none;
     z-index: 1;
 }

 /* Phone container */
 .phone-container {
     position: relative;
     width: 270px;
     height: 570px;
     margin-left: 70px;
     z-index: 11;
 }

 /* Phone frame */
 .phone-frame {
     width: 270px;
     height: 510px;
     border-radius: 50px;
     box-sizing: border-box;
     position: relative;
     z-index: 10;
     object-fit: contain;
     display: block;
 }

 /* Zalo screen inside phone */
 .zalo-screen {
     position: absolute;
     top: 40px;
     left: 25px;
     width: 220px;
     height: 500px;
     border-radius: 30px;
     object-fit: cover;
     z-index: 4;
     box-shadow: 0 0 15px rgba(37, 99, 235, 0.3);
     user-select: none;
 }



 @media (max-width: 768px) {
     .contact-section {
         flex-direction: column;
         /* xếp dọc trên điện thoại */
         gap: 30px;
         padding: 20px 10px;
         align-items: center;
         /* căn giữa các phần tử */
     }

     .map-container,
     .phone-container {
         width: 100% !important;
         /* chiếm hết chiều ngang */
         max-width: 400px;
         /* giới hạn chiều rộng tối đa */
         margin: 0 auto;
         /* canh giữa */
         padding: 20px 15px 30px;
     }

     .map-container iframe {
         width: 100% !important;
         /* bản đồ full chiều ngang container */
         height: 250px !important;
     }

     .phone-container {
         width: 270px !important;
         height: auto !important;
         /* chiều cao tự động */
         margin-left: 0 !important;
         /* bỏ margin bên trái */
     }

     .phone-frame {
         width: 270px !important;
         height: auto !important;
         max-height: 460px;
     }

     .zalo-screen {
         width: 210px !important;
         height: auto !important;
         max-height: 390px;
         left: 30px !important;
         top: 40px !important;
     }

     /* Ẩn hoặc điều chỉnh vị trí label-text trong phone-container cho nhỏ hơn */
     .phone-container .label-text {
         position: static;
         transform: none;
         margin-top: 10px;
         font-size: 18px;
         text-align: center;
         left: auto !important;
         top: auto !important;
     }
 }

 .news-section {
     position: relative;
     padding: 80px 50px;
     background-image: url(../images/bg-tt.png);
     background-repeat: no-repeat;
     background-size: cover;
     font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
     display: flex;
     align-items: center;
     /* Canh giữa theo chiều dọc */
     justify-content: center;
     /* ✅ Canh giữa theo chiều ngang */
     gap: 60px;

     box-sizing: border-box;
 }

.vertical-text {
    writing-mode: vertical-rl; /* Thay vì sideways-lr */
    text-orientation: mixed; /* Hiển thị chữ cái đúng hướng */
    font-weight: 900;
    font-size: 50px;
    color: #1463ff;
    text-shadow:
        2px 2px 0 white,
        -2px -2px 0 white,
        2px -2px 0 white,
        -2px 2px 0 white;
    letter-spacing: 2px;
    line-height: 1.1;
    user-select: none;
    white-space: nowrap;
    height: fit-content;
    margin-right: 50px;
}


 .vertical-text-wrapper {
     min-height: 500px;
     /* hoặc 100% nếu bạn cần */
     margin-left: 200px;
     align-items: center;
     justify-content: center;
 }

 /* ✅ Khi chiều cao màn hình nhỏ hơn 700px thì thu nhỏ chữ lại */


 .news-item {
     flex: 1;
     max-width: 550px;
     color: #0d1228;
 }

 .news-date {
     font-size: 0.9rem;
     position: relative;
     padding-left: 28px;
     margin-bottom: 20px;
     font-weight: 600;
     color: #0d1228;
 }

 .date-icon {
     position: absolute;
     left: 0;
     top: 50%;
     transform: translateY(-50%) rotate(45deg);
     width: 14px;
     height: 14px;
     background: #1463ff;
     clip-path: polygon(0 0, 100% 0, 100% 100%);
     /* tam giác vuông xanh */
 }

 .news-date hr {
     border: none;
     border-bottom: 2px solid #1463ff;
     margin-top: 8px;
     width: 100%;
     max-width: 250px;
 }

 .news-title {
     font-size: 1.35rem;
     font-weight: 800;
     margin-bottom: 12px;
     line-height: 1.3;
 }

 .news-description {
     font-size: 1rem;
     margin-bottom: 28px;
     color: #1e2a4a;
     line-height: 1.5;
 }

 .news-button {
     display: inline-flex;
     align-items: center;
     background: #1463ff;
     color: white;
     padding: 10px 28px;
     border-radius: 40px;
     font-weight: 700;
     font-size: 1rem;
     text-decoration: none;
     gap: 12px;
     box-shadow: 0 6px 12px rgba(20, 99, 255, 0.6);
     transition: background-color 0.3s ease;
 }

 .news-button:hover {
     background-color: #1046c3;
 }

 .news-button svg {
     stroke-width: 3;
     transition: transform 0.3s ease;
 }

 .news-button:hover svg {
     transform: translateX(6px);
 }

 .news-image {
     width: 260px;
     height: 260px;
     background: linear-gradient(135deg, #e3f0ff 0%, #a4c8ff 100%);
     border-radius: 20px;
     box-shadow: 0 15px 30px rgba(20, 99, 255, 0.4);
     overflow: hidden;
     display: flex;
     justify-content: center;
     align-items: center;
 }

 .news-image img {
     max-width: 90%;
     max-height: 90%;
     object-fit: contain;
     border-radius: 14px;
     box-shadow: 0 5px 15px rgba(20, 99, 255, 0.3);
 }

 /* Responsive */
 @media (max-width: 900px) {
     .news-section {
         /* Giữ flex-direction: row để giống PC */
         padding: 50px 20px;
         /* Có thể giảm padding cho vừa màn hình nhỏ */
         flex-wrap: wrap;
         /* Cho phép xuống dòng nếu quá nhỏ */
     }

     .vertical-text {
         writing-mode: sideways-lr;
         /* Giữ chữ dọc như PC */
         font-size: 40px;
         /* Có thể giảm cỡ chữ một chút cho vừa */
         margin-left: 100px;
         /* Giảm margin để vừa khít */
     }

     .news-container {
         flex-direction: row;
         /* Giữ ngang, không đổi thành cột */
         gap: 20px;
         /* Giảm khoảng cách */
         flex-wrap: wrap;
         /* Cho phép xuống dòng nếu màn hình rất nhỏ */
     }

     .news-image {
         width: 200px;
         /* Giảm kích thước ảnh cho vừa màn hình nhỏ */
         height: 200px;
     }

     .news-item {
         max-width: 450px;
         /* Giảm max-width */
     }

     .news-container.reverse {
         flex-direction: row-reverse;
         /* Giữ như PC */
     }
 }

 .carousel-container {
     padding: 80px 0;
     background: linear-gradient(135deg, #e8f0ff 0%, #ffffff 100%);
     position: relative;
     overflow: hidden;
     height: 750px;
 }

 .title {
     font-size: 3rem;
     font-weight: 900;
     background: linear-gradient(90deg, #1463ff, #00c2ff);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     text-align: center;
     width: 100%;
     letter-spacing: 2px;
     margin-bottom: 20px;
     text-shadow: 0 4px 10px rgba(20, 99, 255, 0.2);
     font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
     transition: all 0.3s ease;
 }



 .title-decoration {
     display: flex;
     align-items: center;
     justify-content: center;
     margin-bottom: 40px;
 }

 .title-decoration::before,
 .title-decoration::after {
     content: '';
     height: 2px;
     background: white;
     width: 80px;
     margin: 0 15px;
 }

 .gear-icon {
     width: 40px;
     height: 40px;
     border: 3px solid #1a14c5;
     border-radius: 50%;
     position: relative;
     box-shadow: 0 0 8px rgba(26, 20, 197, 0.4);
     animation: smoothRotateScale 6s linear infinite;
     transition: box-shadow 0.3s ease;
 }

 .gear-icon:hover {
     box-shadow: 0 0 14px rgba(26, 20, 197, 0.8);
 }

 .gear-icon::before {
     content: '';
     position: absolute;
     top: 50%;
     left: 50%;
     width: 18px;
     height: 18px;
     border: 2px dotted #e21616;
     border-radius: 50%;
     transform: translate(-50%, -50%);
 }

 @keyframes smoothRotateScale {
     0% {
         transform: rotate(0deg) scale(1);
     }

     50% {
         transform: rotate(180deg) scale(2.0);
         /* dãn lớn hơn */
     }

     100% {
         transform: rotate(360deg) scale(1);
     }
 }




 .carousel {
     position: relative;
     display: flex;
     justify-content: center;
     align-items: center;
     padding: 20px 0;
     overflow: hidden;
     max-width: 1200px;
     margin: 0 auto;
     /* Canh giữa */
 }

 .carousel-track {
     display: flex;
     justify-content: center;
     align-items: center;
     gap: 40px;
     transition: transform 0.6s ease;
 }

 .carousel-item {
     flex-shrink: 0;
     width: 260px;
     height: 360px;
     border-radius: 16px;
     overflow: hidden;
     box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
     opacity: 0.5;
     transform: scale(0.8) translateY(20px);
     transition: all 0.5s ease;
 }

 .carousel-item img {
     width: 100%;
     height: 100%;
     object-fit: cover;
 }

 /* Hiệu ứng nghiêng nhẹ cho các ảnh không phải active */
 .carousel-item:nth-child(odd):not(.active) {
     transform: scale(0.8) translateY(20px) rotate(-4deg);
 }

 .carousel-item:nth-child(even):not(.active) {
     transform: scale(0.8) translateY(20px) rotate(4deg);
 }

 /* Active */
 .carousel-item.active {
     width: 360px;
     height: 480px;
     transform: scale(1) translateY(0) rotate(0deg);
     opacity: 1;
     z-index: 3;
     box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
 }

 /* Hover nhẹ */
 .carousel-item:hover:not(.active) {
     opacity: 0.7;
     transform: scale(0.85) translateY(10px);
 }

 .carousel-item.active:hover {
     transform: scale(1.03) translateY(-5px);
 }

 /* Nút điều hướng trái phải */
 .nav-button {
     position: absolute;
     top: 50%;
     transform: translateY(-50%);
     width: 46px;
     height: 46px;
     border-radius: 50%;
     background: rgba(255, 255, 255, 0.9);
     border: none;
     font-size: 1.8rem;
     color: #3b5bfd;
     cursor: pointer;
     z-index: 10;
     box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
     transition: all 0.3s ease;
 }

 .nav-button:hover {
     background: white;
     transform: translateY(-50%) scale(1.1);
 }

 .nav-button.prev {
     left: 10px;
 }

 .nav-button.next {
     right: 10px;
 }


 .indicators {
     display: flex;
     justify-content: center;
     gap: 10px;
     margin-top: 30px;
 }

 .indicator {
     width: 12px;
     height: 12px;
     border-radius: 50%;
     border: none;
     background: rgba(255, 255, 255, 0.4);
     cursor: pointer;
     transition: all 0.3s ease;
 }

 .indicator.active,
 .indicator:hover {
     background: white;
     transform: scale(1.2);
 }

 .image-counter {
     position: absolute;
     top: 20px;
     right: 20px;
     background: rgba(0, 0, 0, 0.7);
     color: white;
     padding: 5px 12px;
     border-radius: 15px;
     font-size: 0.9rem;
     z-index: 5;
 }

 @media (max-width: 768px) {
     .carousel-item {
         width: 200px;
         height: 280px;
     }

     .carousel-item.active {
         width: 300px;
         height: 400px;
     }

     .title {
         font-size: 2rem;
     }
 }

 @media (max-width: 480px) {
     .carousel-item {
         width: 160px;
         height: 240px;
     }

     .carousel-item.active {
         width: 240px;
         height: 320px;
     }

     .title {
         font-size: 1.5rem;
     }

     .carousel-track {
         gap: 20px;
         padding: 0 20px;
     }
 }