:root {
      --page-alo789net-primary-color: #f39c12; /* Cam */
      --page-alo789net-secondary-color: #e74c3c; /* Đỏ */
      --page-alo789net-dark-bg: #1a1a1a; /* Nền tối */
      --page-alo789net-light-text: #ecf0f1; /* Chữ sáng */
      --page-alo789net-accent-color: #2ecc71; /* Xanh lá cây */
      --page-alo789net-border-color: #333;
      --page-alo789net-card-bg: #2c3e50; /* Xám xanh đậm */
      --page-alo789net-button-hover: #e67e22; /* Cam đậm hơn */
    }

    .page-alo789net {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-alo789net-dark-bg);
      color: var(--page-alo789net-light-text);
      line-height: 1.6;
      padding-bottom: 80px; /* Đệm cho nút nổi */
    }

    .page-alo789net-section {
      padding: 20px 15px;
      margin-bottom: 20px;
      background-color: var(--page-alo789net-dark-bg);
      border-radius: 8px;
    }

    .page-alo789net-hero {
      position: relative;
      text-align: center;
      padding-top: 150px; /* Safe zone for floating menu */
      padding-bottom: 20px;
      background-color: #000;
    }

    .page-alo789net-hero-image {
      width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      max-width: 100%; /* Ensure image is not wider than its container */
      object-fit: contain; /* Maintain aspect ratio without cropping */
    }

    .page-alo789net-hero-content {
      position: relative;
      z-index: 10;
      padding: 20px 15px;
      text-align: center;
      background: linear-gradient(to top, var(--page-alo789net-dark-bg) 0%, rgba(26, 26, 26, 0.8) 70%, rgba(26, 26, 26, 0) 100%);
      margin-top: -50px; /* Overlap with image slightly for smooth transition */
    }

    .page-alo789net-hero h1 {
      color: var(--page-alo789net-primary-color);
      font-size: 2.2em;
      margin-bottom: 10px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-alo789net-hero p {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: var(--page-alo789net-light-text);
    }

    .page-alo789net-button {
      display: inline-block;
      background-color: var(--page-alo789net-primary-color);
      color: var(--page-alo789net-dark-bg);
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-alo789net-button:hover {
      background-color: var(--page-alo789net-button-hover);
      transform: translateY(-2px);
    }

    .page-alo789net-floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-alo789net-secondary-color);
      color: var(--page-alo789net-light-text);
      padding: 15px 30px;
      border-radius: 50px;
      font-size: 1.2em;
      font-weight: bold;
      text-align: center;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.2s ease;
      animation: pulse 2s infinite;
      border: none;
      cursor: pointer;
    }

    .page-alo789net-floating-button:hover {
      background-color: #c0392b; /* Đỏ đậm hơn */
      transform: translateX(-50%) translateY(-3px);
    }

    @keyframes pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.05); }
      100% { transform: translateX(-50%) scale(1); }
    }

    .page-alo789net-title {
      color: var(--page-alo789net-primary-color);
      text-align: center;
      font-size: 1.8em;
      margin-bottom: 25px;
      padding-bottom: 10px;
      border-bottom: 2px solid var(--page-alo789net-border-color);
    }

    .page-alo789net-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 15px;
      justify-items: center;
      margin-top: 20px;
    }

    .page-alo789net-card {
      background-color: var(--page-alo789net-card-bg);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      width: 100%;
      max-width: 200px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      align-items: center;
      padding: 15px 10px;
    }

    .page-alo789net-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
    }

    .page-alo789net-card img {
      width: 100%;
      height: 120px;
      object-fit: contain;
      margin-bottom: 10px;
      border-radius: 5px;
    }

    .page-alo789net-card-title {
      font-size: 1.1em;
      color: var(--page-alo789net-light-text);
      margin-bottom: 10px;
      font-weight: bold;
    }
    
    .page-alo789net-card-link {
        color: var(--page-alo789net-primary-color);
        text-decoration: none;
        font-weight: bold;
        transition: color 0.3s ease;
    }

    .page-alo789net-card-link:hover {
        color: var(--page-alo789net-button-hover);
    }

    .page-alo789net-provider-logo {
      width: 80%;
      height: 60px;
      object-fit: contain;
      filter: grayscale(100%) brightness(0.7);
      transition: filter 0.3s ease;
    }

    .page-alo789net-provider-logo:hover {
      filter: grayscale(0%) brightness(1);
    }

    .page-alo789net-text-content {
      padding: 0 15px;
      text-align: left;
    }

    .page-alo789net-text-content h2 {
      color: var(--page-alo789net-accent-color);
      font-size: 1.6em;
      margin-top: 20px;
      margin-bottom: 15px;
    }

    .page-alo789net-text-content p {
      margin-bottom: 15px;
      color: var(--page-alo789net-light-text);
    }

    .page-alo789net-list {
      list-style: none;
      padding: 0;
    }

    .page-alo789net-list li {
      background-color: var(--page-alo789net-card-bg);
      margin-bottom: 10px;
      padding: 12px 15px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-alo789net-list li::before {
      content: '✔️';
      color: var(--page-alo789net-primary-color);
      font-weight: bold;
    }

    .page-alo789net-payment-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
        gap: 10px;
        justify-items: center;
        margin-top: 20px;
    }

    .page-alo789net-payment-item {
        background-color: var(--page-alo789net-card-bg);
        border-radius: 8px;
        padding: 10px;
        text-align: center;
        box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    }

    .page-alo789net-payment-item img {
        width: 100%;
        max-width: 60px;
        height: auto;
        object-fit: contain;
        margin-bottom: 5px;
    }

    .page-alo789net-social-grid {
        display: flex;
        justify-content: center;
        gap: 20px;
        margin-top: 20px;
    }

    .page-alo789net-social-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 50px;
        height: 50px;
        background-color: var(--page-alo789net-card-bg);
        border-radius: 50%;
        color: var(--page-alo789net-light-text);
        font-size: 1.5em;
        text-decoration: none;
        transition: background-color 0.3s ease, transform 0.2s ease;
    }

    .page-alo789net-social-link:hover {
        background-color: var(--page-alo789net-primary-color);
        transform: translateY(-3px);
    }

    /* Responsive adjustments */
    @media (min-width: 768px) {
      .page-alo789net-hero h1 {
        font-size: 3em;
      }
      .page-alo789net-hero p {
        font-size: 1.2em;
      }
      .page-alo789net-title {
        font-size: 2.2em;
      }
      .page-alo789net-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 20px;
      }
      .page-alo789net-card {
        max-width: 250px;
        padding: 20px 15px;
      }
      .page-alo789net-card img {
        height: 150px;
      }
      .page-alo789net-floating-button {
        padding: 18px 40px;
        font-size: 1.3em;
      }
      .page-alo789net-section {
        padding: 30px 20px;
      }
      .page-alo789net-payment-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      }
    }