:root {
      --page-alo789dangnhap-primary-color: #e02b2b; /* Đỏ mạnh */
      --page-alo789dangnhap-secondary-color: #ffc107; /* Vàng hổ phách */
      --page-alo789dangnhap-text-color: #333;
      --page-alo789dangnhap-background-color: #f8f9fa;
      --page-alo789dangnhap-dark-text: #1a1a1a;
      --page-alo789dangnhap-light-text: #ffffff;
      --page-alo789dangnhap-card-background: #ffffff;
      --page-alo789dangnhap-border-color: #e9ecef;
    }

    .page-alo789dangnhap {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-alo789dangnhap-text-color);
      background-color: var(--page-alo789dangnhap-background-color);
      padding-bottom: 80px; /* Space for footer placeholder */
      position: relative;
    }

    .page-alo789dangnhap-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-alo789dangnhap-hero {
      position: relative;
      width: 100%;
      min-height: 350px; /* Minimum height for banner safe zone + content */
      padding-top: 160px; /* Safe zone for floating header/menu */
      background-color: #222; /* Fallback background */
      color: var(--page-alo789dangnhap-light-text);
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start; /* Align content to top after padding */
      overflow: hidden; /* Ensure image doesn't overflow */
    }

    .page-alo789dangnhap-hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover; /* Cover the area without distortion */
      z-index: 1;
    }

    .page-alo789dangnhap-hero-content {
      position: relative;
      z-index: 2;
      padding: 20px;
      max-width: 800px;
      margin-top: -100px; /* Adjust if needed to bring content higher within the safe zone */
    }

    .page-alo789dangnhap-hero h1 {
      font-size: 2.5em;
      margin-bottom: 15px;
      color: var(--page-alo789dangnhap-light-text);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-alo789dangnhap-hero p {
      font-size: 1.1em;
      margin-bottom: 25px;
      color: var(--page-alo789dangnhap-light-text);
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6);
    }

    .page-alo789dangnhap-button-floating {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-alo789dangnhap-primary-color);
      color: var(--page-alo789dangnhap-light-text);
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease, transform 0.3s ease;
      z-index: 1000;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .page-alo789dangnhap-button-floating:hover {
      background-color: #c02222;
      transform: translateY(-2px);
    }

    .page-alo789dangnhap-section {
      padding: 40px 0;
      background-color: var(--page-alo789dangnhap-card-background);
      margin-bottom: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    }

    .page-alo789dangnhap-section.bg-light {
      background-color: var(--page-alo789dangnhap-background-color);
      box-shadow: none;
    }

    .page-alo789dangnhap-section h2 {
      text-align: center;
      font-size: 2em;
      color: var(--page-alo789dangnhap-dark-text);
      margin-bottom: 30px;
      position: relative;
    }

    .page-alo789dangnhap-section h2::after {
      content: '';
      display: block;
      width: 60px;
      height: 3px;
      background-color: var(--page-alo789dangnhap-primary-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-alo789dangnhap-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-alo789dangnhap-card {
      background-color: var(--page-alo789dangnhap-card-background);
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .page-alo789dangnhap-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
    }

    .page-alo789dangnhap-card-image {
      width: 100%;
      height: 180px;
      object-fit: cover;
      display: block;
      border-bottom: 1px solid var(--page-alo789dangnhap-border-color);
    }

    .page-alo789dangnhap-card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      width: 100%;
    }

    .page-alo789dangnhap-card h3 {
      font-size: 1.3em;
      color: var(--page-alo789dangnhap-primary-color);
      margin-bottom: 10px;
    }

    .page-alo789dangnhap-card p {
      font-size: 0.95em;
      color: var(--page-alo789dangnhap-text-color);
      margin-bottom: 15px;
      flex-grow: 1;
    }

    .page-alo789dangnhap-card .page-alo789dangnhap-link {
      display: inline-block;
      background-color: var(--page-alo789dangnhap-secondary-color);
      color: var(--page-alo789dangnhap-dark-text);
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      width: fit-content;
      margin-top: auto; /* Push button to bottom */
    }

    .page-alo789dangnhap-card .page-alo789dangnhap-link:hover {
      background-color: #e6b000;
    }

    .page-alo789dangnhap-link-card-title {
      color: var(--page-alo789dangnhap-primary-color);
      text-decoration: none;
    }

    .page-alo789dangnhap-link-card-title:hover {
      text-decoration: underline;
    }

    .page-alo789dangnhap-features-list {
      list-style: none;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-alo789dangnhap-features-list li {
      background-color: var(--page-alo789dangnhap-card-background);
      padding: 20px;
      border-left: 5px solid var(--page-alo789dangnhap-primary-color);
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.05);
      font-size: 1.05em;
      color: var(--page-alo789dangnhap-dark-text);
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .page-alo789dangnhap-features-list li::before {
      content: '✅';
      font-size: 1.2em;
      flex-shrink: 0;
    }

    .page-alo789dangnhap-game-providers {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      gap: 15px;
      margin-top: 30px;
      justify-items: center;
      align-items: center;
    }

    .page-alo789dangnhap-provider-logo {
      width: 100%;
      max-width: 120px;
      height: auto;
      object-fit: contain;
      filter: grayscale(80%);
      transition: filter 0.3s ease;
    }

    .page-alo789dangnhap-provider-logo:hover {
      filter: grayscale(0%);
    }

    .page-alo789dangnhap-text-center {
      text-align: center;
    }

    .page-alo789dangnhap-promo-link {
      display: inline-block;
      background-color: var(--page-alo789dangnhap-primary-color);
      color: var(--page-alo789dangnhap-light-text);
      padding: 12px 30px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      margin-top: 20px;
      transition: background-color 0.3s ease;
    }

    .page-alo789dangnhap-promo-link:hover {
      background-color: #c02222;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-alo789dangnhap-hero h1 {
        font-size: 2em;
      }
      .page-alo789dangnhap-hero p {
        font-size: 1em;
      }
      .page-alo789dangnhap-section h2 {
        font-size: 1.8em;
      }
      .page-alo789dangnhap-grid {
        grid-template-columns: 1fr;
      }
      .page-alo789dangnhap-features-list {
        grid-template-columns: 1fr;
      }
      .page-alo789dangnhap-button-floating {
        padding: 12px 20px;
        font-size: 1em;
        bottom: 15px;
        right: 15px;
      }
      .page-alo789dangnhap-hero {
        padding-top: 140px; /* Adjust safe zone for smaller screens */
        min-height: 300px;
      }
      .page-alo789dangnhap-hero-content {
        margin-top: -80px;
      }
    }