:root {
      --primary-color: #e44d26; /* Cam đỏ */
      --secondary-color: #333; /* Xám đậm */
      --accent-color: #f0ad4e; /* Vàng cam */
      --background-color: #f4f4f4; /* Xám nhạt */
      --text-color: #333;
      --light-text-color: #fff;
      --border-radius: 8px;
      --spacing-unit: 16px;
    }

    .page-ddt88 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--text-color);
      background-color: var(--background-color);
      padding-top: 10px; /* Small padding top, assuming body handles header offset */
    }

    .page-ddt88__section {
      padding: calc(2 * var(--spacing-unit)) var(--spacing-unit);
      margin-bottom: var(--spacing-unit);
      background-color: #fff;
      border-radius: var(--border-radius);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      text-align: center;
    }

    .page-ddt88__section--dark {
      background-color: var(--secondary-color);
      color: var(--light-text-color);
    }

    .page-ddt88__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--spacing-unit);
    }

    .page-ddt88__title {
      color: var(--primary-color);
      margin-bottom: var(--spacing-unit);
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-ddt88__subtitle {
      color: var(--secondary-color);
      margin-bottom: calc(1.5 * var(--spacing-unit));
      font-size: 1.8em;
    }
    
    .page-ddt88__section--dark .page-ddt88__subtitle {
        color: var(--light-text-color);
    }

    .page-ddt88__text {
      font-size: 1.1em;
      margin-bottom: var(--spacing-unit);
    }

    /* Floating Buttons */
    .page-ddt88__floating-buttons {
      position: fixed;
      top: 50%;
      right: 0;
      transform: translateY(-50%);
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-ddt88__button {
      display: block;
      padding: 12px 20px;
      background-color: var(--primary-color);
      color: var(--light-text-color);
      border: none;
      border-radius: 5px 0 0 5px;
      font-size: 1.1em;
      font-weight: bold;
      cursor: pointer;
      text-decoration: none;
      text-align: center;
      transition: background-color 0.3s ease;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .page-ddt88__button:hover {
      background-color: #c0392b; /* Darker primary */
    }

    .page-ddt88__button--register {
      background-color: #28a745; /* Green for register */
    }

    .page-ddt88__button--register:hover {
      background-color: #218838;
    }

    /* Hero Section */
    .page-ddt88__hero-section {
      background-image: url('[GALLERY:hero:1920x1080:betting,casino,ddt88,mobile]');
      background-size: cover;
      background-position: center;
      color: var(--light-text-color);
      padding: calc(4 * var(--spacing-unit)) var(--spacing-unit);
      text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
      border-radius: var(--border-radius);
      margin-bottom: var(--spacing-unit);
      min-height: 400px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }

    .page-ddt88__hero-title {
      font-size: 3em;
      margin-bottom: var(--spacing-unit);
      color: var(--light-text-color);
      text-align: center;
    }

    .page-ddt88__hero-description {
      font-size: 1.3em;
      margin-bottom: calc(2 * var(--spacing-unit));
      max-width: 800px;
      text-align: center;
    }

    .page-ddt88__hero-cta-group {
      display: flex;
      gap: var(--spacing-unit);
      flex-wrap: wrap;
      justify-content: center;
    }
    
    .page-ddt88__hero-cta {
        padding: 15px 30px;
        background-color: var(--accent-color);
        color: var(--text-color);
        border-radius: var(--border-radius);
        font-weight: bold;
        text-decoration: none;
        transition: background-color 0.3s ease;
    }
    
    .page-ddt88__hero-cta:hover {
        background-color: #e09b30;
    }

    /* Product Grid */
    .page-ddt88__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: var(--spacing-unit);
      justify-content: center; /* Center items in grid */
      margin-top: calc(2 * var(--spacing-unit));
    }

    .page-ddt88__product-card {
      background-color: var(--background-color);
      border-radius: var(--border-radius);
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      box-sizing: border-box; /* Ensure padding/border included in width */
    }

    .page-ddt88__product-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    }

    .page-ddt88__product-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    .page-ddt88__product-image {
      width: 100%;
      max-width: 100%;
      height: 200px; /* Fixed height for consistency */
      object-fit: cover;
      display: block;
    }

    .page-ddt88__product-content {
      padding: var(--spacing-unit);
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-ddt88__product-title {
      font-size: 1.4em;
      color: var(--primary-color);
      margin-bottom: 10px;
    }

    .page-ddt88__product-description {
      font-size: 0.95em;
      color: var(--text-color);
      margin-bottom: var(--spacing-unit);
    }
    
    .page-ddt88__product-button {
        display: inline-block;
        padding: 8px 15px;
        background-color: var(--primary-color);
        color: var(--light-text-color);
        border-radius: 5px;
        text-decoration: none;
        font-weight: bold;
        transition: background-color 0.3s ease;
    }
    
    .page-ddt88__product-button:hover {
        background-color: #c0392b;
    }

    /* Promotions */
    .page-ddt88__promotion-list {
      list-style: none;
      padding: 0;
      margin-top: calc(2 * var(--spacing-unit));
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: var(--spacing-unit);
      text-align: left;
    }

    .page-ddt88__promotion-item {
      background-color: var(--background-color);
      padding: var(--spacing-unit);
      border-radius: var(--border-radius);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: flex-start;
      box-sizing: border-box; /* Ensure padding/border included in width */
    }

    .page-ddt88__promotion-icon-wrapper {
        flex-shrink: 0;
        margin-right: var(--spacing-unit);
        width: 80px; /* Fixed width for icon */
        height: 80px; /* Fixed height for icon */
        overflow: hidden;
        border-radius: 50%;
        background-color: var(--primary-color);
        display: flex;
        align-items: center;
        justify-content: center;
        box-sizing: border-box;
    }

    .page-ddt88__promotion-icon {
        width: 60px; /* Adjust size of image within wrapper */
        height: 60px;
        max-width: 100%;
        height: auto;
        object-fit: contain;
    }

    .page-ddt88__promotion-content {
        flex-grow: 1;
    }

    .page-ddt88__promotion-title {
      color: var(--primary-color);
      font-size: 1.3em;
      margin-bottom: 5px;
    }

    .page-ddt88__promotion-description {
      font-size: 0.95em;
      color: var(--text-color);
    }

    /* Why Choose Us */
    .page-ddt88__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: var(--spacing-unit);
      margin-top: calc(2 * var(--spacing-unit));
    }

    .page-ddt88__feature-card {
      background-color: var(--background-color);
      padding: var(--spacing-unit);
      border-radius: var(--border-radius);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      text-align: center;
      transition: transform 0.3s ease;
      box-sizing: border-box; /* Ensure padding/border included in width */
    }

    .page-ddt88__feature-card:hover {
      transform: translateY(-5px);
    }

    .page-ddt88__feature-icon-wrapper {
        width: 100px;
        height: 100px;
        margin: 0 auto var(--spacing-unit);
        overflow: hidden;
        border-radius: 50%;
        background-color: #f0f0f0;
        display: flex;
        align-items: center;
        justify-content: center;
        box-sizing: border-box;
    }

    .page-ddt88__feature-icon {
        width: 80px;
        height: 80px;
        max-width: 100%;
        height: auto;
        object-fit: contain;
    }

    .page-ddt88__feature-title {
      color: var(--primary-color);
      font-size: 1.2em;
      margin-bottom: 10px;
    }

    .page-ddt88__feature-description {
      font-size: 0.9em;
    }

    /* Partners Section (Payment & Providers) */
    .page-ddt88__partner-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: var(--spacing-unit);
      margin-top: calc(2 * var(--spacing-unit));
      align-items: center;
      justify-content: center;
    }

    .page-ddt88__partner-logo-wrapper {
        background-color: var(--light-text-color);
        padding: var(--spacing-unit);
        border-radius: var(--border-radius);
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        height: 100px; /* Fixed height for logos */
        box-sizing: border-box; /* Ensure padding/border included in width */
    }

    .page-ddt88__partner-logo {
      max-width: 100%;
      max-height: 70px; /* Max height for the logo image itself */
      object-fit: contain;
      transition: transform 0.3s ease;
    }

    .page-ddt88__partner-logo:hover {
        transform: scale(1.05);
    }

    /* FAQ Section */
    .page-ddt88__faq-list {
      margin-top: calc(2 * var(--spacing-unit));
      text-align: left;
      list-style: none;
      padding: 0;
    }

    .page-ddt88__faq-item {
      background-color: var(--light-text-color);
      margin-bottom: 10px;
      border-radius: var(--border-radius);
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      box-sizing: border-box;
      width: 100%; /* Ensure full width */
      max-width: 100%;
    }

    .page-ddt88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: var(--spacing-unit);
      cursor: pointer;
      background-color: #f9f9f9;
      border-bottom: 1px solid #eee;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-ddt88__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-ddt88__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--primary-color);
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-ddt88__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent icon from blocking click */
    }

    .page-ddt88__faq-item.active .page-ddt88__faq-toggle {
      transform: rotate(45deg); /* Plus to X (minus) */
    }

    .page-ddt88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--text-color);
      text-align: left;
    }

    .page-ddt88__faq-item.active .page-ddt88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Call to Action Final */
    .page-ddt88__cta-final {
        margin-top: calc(2 * var(--spacing-unit));
        text-align: center;
    }
    
    .page-ddt88__cta-final-button {
        display: inline-block;
        padding: 15px 30px;
        background-color: #28a745; /* Green */
        color: var(--light-text-color);
        border-radius: var(--border-radius);
        font-size: 1.2em;
        font-weight: bold;
        text-decoration: none;
        transition: background-color 0.3s ease;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }
    
    .page-ddt88__cta-final-button:hover {
        background-color: #218838;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-ddt88__title {
        font-size: 2em;
      }

      .page-ddt88__subtitle {
        font-size: 1.5em;
      }

      .page-ddt88__hero-title {
        font-size: 2.2em;
      }

      .page-ddt88__hero-description {
        font-size: 1.1em;
      }

      .page-ddt88__hero-cta-group {
        flex-direction: column;
        gap: 10px;
      }
      
      .page-ddt88__hero-cta,
      .page-ddt88__cta-final-button {
          width: 100%;
          max-width: 300px; /* Constrain width for better look */
          margin: 0 auto;
      }

      .page-ddt88__floating-buttons {
        flex-direction: row;
        width: 100%;
        left: 0;
        bottom: 0;
        top: auto;
        transform: translateY(0);
        justify-content: space-around;
        background-color: rgba(0, 0, 0, 0.8);
        padding: 10px 0;
        border-radius: 0;
        box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.2);
      }

      .page-ddt88__button {
        flex: 1;
        border-radius: 5px;
        margin: 0 5px;
        padding: 10px 15px;
        box-shadow: none;
      }

      .page-ddt88__product-grid,
      .page-ddt88__promotion-list,
      .page-ddt88__features-grid,
      .page-ddt88__partner-grid {
        grid-template-columns: 1fr;
        padding: 0;
      }
      
      .page-ddt88__promotion-item,
      .page-ddt88__feature-card,
      .page-ddt88__product-card,
      .page-ddt88__partner-logo-wrapper {
          width: 100% !important;
          max-width: 100% !important;
          box-sizing: border-box !important;
          margin-left: 0 !important;
          margin-right: 0 !important;
      }

      .page-ddt88__promotion-item {
          flex-direction: column;
          align-items: center;
          text-align: center;
      }

      .page-ddt88__promotion-icon-wrapper {
          margin: 0 auto 10px;
      }

      .page-ddt88__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      
      .page-ddt88__product-image-wrapper,
      .page-ddt88__partner-logo-wrapper {
          width: 100% !important;
          max-width: 100% !important;
          box-sizing: border-box !important;
      }

      .page-ddt88__product-image,
      .page-ddt88__promotion-icon,
      .page-ddt88__feature-icon,
      .page-ddt88__partner-logo {
          max-width: 100% !important;
          height: auto !important;
          box-sizing: border-box !important;
      }
      
      /* Ensure text wraps correctly */
      .page-ddt88__text,
      .page-ddt88__product-description,
      .page-ddt88__promotion-description,
      .page-ddt88__feature-description,
      .page-ddt88__faq-answer {
          word-wrap: break-word !important;
          overflow-wrap: break-word !important;
      }
    }