.centered-image-section {
   text-align: center;
   padding: 40px 20px;
   background-color: #fff; /* hoặc #f5f5f5 nếu muốn nền nhẹ */
 }
 
 .centered-image {
   max-width: 100%;
   width: 700px;
   height: auto;
   display: inline-block;
   border-radius: 8px;
   box-shadow: 0 6px 16px rgba(0,0,0,0.15);
 }
 
 /* Responsive */
 @media screen and (max-width: 768px) {
   .centered-image {
     width: 100%;
   }
 }
 
 .product-row {
   display: flex;
   flex-wrap: wrap;
   justify-content: center;
   gap: 30px;
   padding: 50px 20px;
   background-color: #2c2c70; /* mặc định nếu chưa đổi */
 }
 
 .product-row.dark-bg {
   background-color: #040;
 }
 
 .product-item {
   width: 220px;
   text-align: center;
 }
 
 .product-item img {
   width: 100%;
   height: auto;
   border-radius: 4px;
   box-shadow: 0 6px 10px rgba(0, 0, 0, 0.1);
 }
 
 .product-item p {
   color: #fff;
   font-size: 14px;
   margin-top: 8px;
 }
 
 /* Responsive */
 @media screen and (max-width: 768px) {
   .product-item {
     width: 45%;
   }
 }
 
 @media screen and (max-width: 480px) {
   .product-item {
     width: 100%;
   }
 }
 /* nút liên hệ */
.floating-contact {
   position: fixed;
   bottom: 20px;
   right: 20px;
   display: flex;
   flex-direction: column;
   gap: 12px;
   z-index: 999;
 }
 
 .circle-button {
   width: 48px;
   height: 48px;
   border-radius: 50%;
   color: white;
   display: flex;
   justify-content: center;
   align-items: center;
   font-size: 20px;
   box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
   transition: transform 0.2s;
   text-decoration: none;
 }
 
 .circle-button:hover {
   transform: scale(1.1);
 }
 
 .call {
   background-color: #e53935;
 }
 
 .messenger {
   background-color: #0078ff;
 }
 
 .facebook {
   background-color: #1877f2;
 }
 
 .map {
   background-color: #fdd835;
   color: #000;
 }