/* Reset mặc định */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  /* Căn chỉnh chung */
  body {
    font-family: Arial, sans-serif;
    padding-top: 90px; /* Đẩy nội dung xuống dưới navbar */
  }
  
  /* Navbar */
  .navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: white;
    padding: 15px 30px;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 10000; /* Giữ navbar luôn trên cùng */
    height: 80px;
    box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.1);
  }
  
  .logo {
    height: 65px;
  }
  
  /* Menu */
  .menu {
    list-style: none;
    display: flex;
    gap: 30px;
  }
  
  .menu li {
    position: relative;
  }
  
  .menu li a {
    text-decoration: none;
    color: black;
    font-size: 18px;
    font-weight: bold;
    padding-bottom: 5px;
    transition: color 0.3s ease-in-out;
  }
  
  /* Hiệu ứng khi hover vào menu cha */
  .menu li a:hover {
    color: blue;
  }
  
  /* Menu con */
  .submenu {
    list-style: none;
    padding: 10px 0;
    margin: 0;
    position: absolute;
    left: 0;
    top: 100%;
    background: white;
    display: none;
    min-width: 250px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    border-radius: 6px;
    overflow: hidden;
    z-index: 10001; /* Đảm bảo menu con hiển thị trên cùng */
  }
  
  /* Các mục trong menu con */
  .submenu li {
    border-bottom: 1px solid #eee;
  }
  
  .submenu li:last-child {
    border-bottom: none;
  }
  
  .submenu a {
    padding: 12px 20px;
    display: block;
    color: #333;
    font-size: 16px;
    transition: background 0.3s ease-in-out;
  }
  
  /* Hiệu ứng hover menu con */
  .submenu a:hover {
    background: #f5f5f5;
  }
  
  /* Hiển thị menu con khi hover */
  .menu li:hover .submenu {
    display: block;
  }
  
  /* Nút menu cho mobile */
  #menu-toggle {
    display: none;
    font-size: 24px;
    background: none;
    border: none;
    color: black;
    cursor: pointer;
  }
.content {
    position: relative;
    display: flex;
    text-align: center;
    background: url('../images/tt_sk_background1.png');
    background-repeat: no-repeat;
    background-position: left top;
    background-size: cover;
    color: white;
    padding: 30px;
}

.content-container {
    max-width: 650px;
    text-align: center;
    padding-left: 10%;
}

.content h1 {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 20px;
}

.content p {
    font-size: 18px;
    margin-bottom: 30px;
    padding-bottom: 70px;
}

.detail-btn {
    display: inline-block;
    background-color: #FFA500;
    color: white;
    padding: 12px 24px;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 10px;
}

.image-container {
    width: 480px;
    height: 470px;
    right: 10%;
    bottom: 15%;
}

.image-container img {
    padding-top: 50px;
    width: 450px;
    border-radius: 10px;
}

.breadcrumb {
    font-size: 16px;
    margin-top: 30px;
    margin-bottom: 30px;
}

.breadcrumb_1 {
    text-decoration: none;
    color: #8D8D8D;
}

.breadcrumb_2 {
    color: #0056b3;
}

.news-container {
    max-width: 1200px;
    margin: auto;
}

.news-item {
    display: flex;
    background: white;
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.news-item img {
    width: 555px;
    height: 370px;
    object-fit: cover;
}

.news-content {
    padding: 20px;
    flex: 1;
}

.news-title {
    font-size: 22px;
    font-weight: bold;
    color: #0056b3;
    margin-bottom: 10px;
}

.news-date {
    font-size: 14px;
    color: gray;
    margin-bottom: 10px;
}

.news-description {
    font-size: 16px;
    color: #333;
    margin-bottom: 15px;
}

.news-button {
    display: inline-block;
    padding: 10px 20px;
    font-size: 16px;
    color: #007bff;
    border: 2px solid #007bff;
    border-radius: 20px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.news-button:hover {
    background: #007bff;
    color: white;
}
  /* Định dạng footer */
  .footer {
    background-color: #2c4878;
    color: white;
    padding: 30px 10%;
    font-family: Arial, sans-serif;
  }
  
  .footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
  }
  
  .footer-column {
    width: 30%;
  }
  
  .footer-column h3 {
    border-bottom: 2px solid white;
    padding-bottom: 5px;
    margin-bottom: 15px;
    font-size: 18px;
  }
  
  /* Danh sách liên kết */
  .footer-column ul {
    list-style: none;
    padding: 0;
  }
  
  .footer-column ul li {
    margin: 8px 0;
  }
  
  .footer-column ul li i {
    margin-right: 8px;
  }
  
  .footer-column ul li a {
    color: white;
    text-decoration: none;
  }
  .footer-column0{
    display: flex;
    gap: 20px;
  }
  .footer-column1 a img {
    width: 200px; /* Tăng kích thước ảnh CH Play & App Store */
    height: auto;
  }
  
  /* Icon mạng xã hội */
  .social-icons a {
    color: white;
    margin-right: 10px;
    font-size: 20px;
  }
  
  /* QR Code và App Links */
  .qr-code {
    width: 120px;
    height: auto;
    margin-bottom: 10px;
  }
  
  .footer-column img {
    width: 150px;
    height: auto;
    margin-bottom: 10px;
  }
  @media (max-width: 1024px) {
    .menu {
        display: none;
        flex-direction: column;
        width: 100%;
        background: white;
        position: absolute;
        top: 80px;
        left: 0;
        padding: 10px 0;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        z-index: 10001;
    }
  
    /* Hiển thị menu khi có class "active" */
    .menu.active {
        display: flex;
    }
  
    .menu li {
        text-align: center;
        padding: 10px 0;
        width: 100%;
    }
  
    .menu li a {
        display: block;
        padding: 12px 20px;
        text-align: center;
        font-size: 18px;
        font-weight: bold;
    }
  
    /* Nút menu toggle */
    #menu-toggle {
        display: block;
        font-size: 24px;
        background: none;
        border: none;
        color: black;
        cursor: pointer;
    }
  
    /* Điều chỉnh icon trên mobile */
    .icons {
        margin-top: 10px;
    }
  }
  /* ✅ Mobile & Tablet (≤ 768px) */
@media (max-width: 768px) {
  .content {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      padding: 20px;
  }

  .content-container {
      width: 100%;
      max-width: 600px;
  }

  .content h1 {
      font-size: 22px;
      font-weight: bold;
      margin-bottom: 10px;
  }

  .content p {
      font-size: 14px;
      line-height: 1.5;
      margin-bottom: 15px;
  }

  .detail-btn {
      display: inline-block;
      padding: 12px 18px;
      font-size: 14px;
      background-color: #007bff;
      color: white;
      text-decoration: none;
      font-weight: bold;
      border-radius: 8px;
      margin-top: 10px;
  }

  .image-container {
      width: 100%;
      display: flex;
      justify-content: center;
      margin-top: 15px;
  }

  .image-container img {
      max-width: 90%;
      height: auto;
      border-radius: 10px;
  }

  .news-container {
      width: 100%;
      padding: 20px;
  }

  .breadcrumb {
      font-size: 14px;
      margin-bottom: 15px;
  }

  .news-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      padding: 20px;
      background: #f9f9f9;
      border-radius: 10px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      margin-bottom: 20px;
  }

  .news-item img {
      max-width: 90%;
      height: auto;
      border-radius: 10px;
      margin-bottom: 10px;
  }

  .news-content {
      width: 90%;
      padding: 10px;
  }

  .news-title {
      font-size: 18px;
      font-weight: bold;
      margin-bottom: 8px;
  }

  .news-date {
      font-size: 12px;
      color: gray;
      margin-bottom: 5px;
  }

  .news-description {
      font-size: 14px;
      line-height: 1.5;
      margin-bottom: 10px;
  }

  .news-button {
      display: inline-block;
      padding: 10px 15px;
      font-size: 14px;
      background-color: #007bff;
      color: white;
      text-decoration: none;
      font-weight: bold;
      border-radius: 8px;
      margin-top: 10px;
  }
}

/* ✅ Mobile nhỏ (≤ 480px) */
@media (max-width: 480px) {
  .content h1 {
      font-size: 20px;
  }

  .content p {
      font-size: 13px;
  }

  .news-title {
      font-size: 16px;
  }

  .news-description {
      font-size: 13px;
  }

  .news-button {
      padding: 8px 12px;
      font-size: 13px;
  }
}
/* ✅ Responsive Tablet (768px - 1023px) */
@media (max-width: 1023px) {
  .footer-container {
      flex-wrap: wrap;
      justify-content: space-around;
  }

  .footer-column {
      width: 45%; /* Hiển thị 2 cột */
  }
}

/* ✅ Responsive Mobile (≤767px) */
@media (max-width: 767px) {
  .footer-container {
      flex-direction: column;
      text-align: center;
  }

  .footer-column {
      width: 100%; /* Chuyển thành 1 cột */
      margin-bottom: 20px;
  }

  .footer-column ul {
      padding-left: 0;
  }

  .social-icons {
      justify-content: center;
  }

  .footer-column img {
      width: 120px; /* Giảm kích thước ảnh */
  }

  .qr-code {
      width: 100px; /* Giảm kích thước QR Code */
  }
}