:root {
      --page-king79-primary-color: #e44d26; /* Cam đỏ */
      --page-king79-secondary-color: #f7a001; /* Vàng cam */
      --page-king79-text-color: #333333; /* Xám đậm */
      --page-king79-background-light: #f8f8f8; /* Nền sáng */
      --page-king79-background-dark: #2c3e50; /* Xám xanh đậm */
      --page-king79-white: #ffffff;
      --page-king79-border-color: #e0e0e0;
    }

    .page-king79 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-king79-text-color);
      background-color: var(--page-king79-background-light);
      padding-bottom: 80px; /* Space for fixed floating button */
    }

    .page-king79__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    .page-king79__section--dark {
      background-color: var(--page-king79-background-dark);
      color: var(--page-king79-white);
    }

    .page-king79__section--dark h2,
    .page-king79__section--dark h3 {
      color: var(--page-king79-white);
    }

    .page-king79__hero-section {
      background-color: var(--page-king79-background-dark);
      color: var(--page-king79-white);
      padding: 10px 20px 40px; /* Add padding-top for fixed header */
      text-align: center;
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    .page-king79__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto 20px;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    .page-king79__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-king79-secondary-color);
      font-weight: bold;
    }

    .page-king79__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
    }

    .page-king79__button {
      display: inline-block;
      background-color: var(--page-king79-primary-color);
      color: var(--page-king79-white);
      padding: 15px 30px;
      border-radius: 50px;
      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-king79__button:hover {
      background-color: #c93e1a;
      transform: translateY(-2px);
    }

    .page-king79__sub-heading {
      font-size: 2em;
      color: var(--page-king79-primary-color);
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-king79__sub-heading::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background-color: var(--page-king79-secondary-color);
      border-radius: 2px;
    }

    .page-king79__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-king79__game-card {
      background-color: var(--page-king79-white);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-king79__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-king79__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-king79__game-content {
      padding: 20px;
    }

    .page-king79__game-title {
      font-size: 1.4em;
      color: var(--page-king79-primary-color);
      margin-bottom: 10px;
    }

    .page-king79__game-description {
      font-size: 0.95em;
      color: var(--page-king79-text-color);
      margin-bottom: 15px;
    }

    .page-king79__promo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-king79__promo-card {
      background-color: var(--page-king79-white);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      padding: 25px;
    }

    .page-king79__promo-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-king79__promo-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 15px;
      display: block;
      margin-left: auto;
      margin-right: auto;
    }

    .page-king79__promo-title {
      font-size: 1.5em;
      color: var(--page-king79-primary-color);
      margin-bottom: 10px;
    }

    .page-king79__promo-description {
      font-size: 1em;
      color: var(--page-king79-text-color);
      margin-bottom: 20px;
    }

    .page-king79__guide-list {
      list-style: none;
      padding: 0;
      margin-top: 30px;
      text-align: left;
    }

    .page-king79__guide-item {
      background-color: var(--page-king79-white);
      margin-bottom: 15px;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .page-king79__guide-step-number {
      background-color: var(--page-king79-secondary-color);
      color: var(--page-king79-white);
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2em;
      font-weight: bold;
      flex-shrink: 0;
    }

    .page-king79__guide-content h3 {
      margin-top: 0;
      color: var(--page-king79-primary-color);
      font-size: 1.3em;
    }

    .page-king79__faq-list {
      margin-top: 30px;
      text-align: left;
    }

    .page-king79__faq-item {
      background-color: var(--page-king79-white);
      border: 1px solid var(--page-king79-border-color);
      border-radius: 8px;
      margin-bottom: 10px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .page-king79__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: #f0f0f0;
      color: var(--page-king79-text-color);
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-king79__faq-question:hover {
      background-color: #e0e0e0;
    }

    .page-king79__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-king79-primary-color);
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-king79__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-king79-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-king79__faq-item.active .page-king79__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }
    .page-king79__faq-item.active .page-king79__faq-toggle::before {
        content: "−"; /* Change + to - */
    }
    .page-king79__faq-toggle::before {
        content: "+"; /* Default to + */
    }


    .page-king79__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      background-color: var(--page-king79-white);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: var(--page-king79-text-color);
      font-size: 0.95em;
    }

    .page-king79__faq-item.active .page-king79__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px !important;
      opacity: 1;
    }

    .page-king79__cta-section {
      background-color: var(--page-king79-secondary-color);
      color: var(--page-king79-white);
      padding: 50px 20px;
    }

    .page-king79__cta-title {
      font-size: 2.5em;
      margin-bottom: 20px;
      color: var(--page-king79-white);
    }

    .page-king79__cta-description {
      font-size: 1.2em;
      margin-bottom: 30px;
    }

    .page-king79__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-king79-primary-color);
      color: var(--page-king79-white);
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.2s ease;
      display: none; /* Hidden by default, shown on mobile */
      white-space: nowrap;
    }

    .page-king79__floating-button:hover {
      background-color: #c93e1a;
      transform: translateX(-50%) translateY(-2px);
    }

    /* Game Provider Logos Section */
    .page-king79__game-providers {
        background-color: var(--page-king79-white);
        padding: 40px 20px;
        text-align: center;
    }

    .page-king79__provider-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
        margin-top: 30px;
        align-items: center;
        justify-items: center;
    }

    .page-king79__provider-logo {
        width: 100%;
        max-width: 180px; /* Adjust max-width as needed for logos */
        height: auto;
        object-fit: contain;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s ease;
    }

    .page-king79__provider-logo:hover {
        transform: scale(1.05);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-king79__hero-section {
        padding-top: 10px; /* Mobile padding for fixed header */
      }
      .page-king79__hero-title {
        font-size: 2em;
      }
      .page-king79__hero-description {
        font-size: 1em;
      }
      .page-king79__sub-heading {
        font-size: 1.6em;
      }
      .page-king79__game-grid,
      .page-king79__promo-grid {
        grid-template-columns: 1fr;
      }
      .page-king79__section {
        padding: 30px 15px;
      }
      .page-king79__guide-item {
        flex-direction: column;
        text-align: center;
      }
      .page-king79__guide-step-number {
        margin-bottom: 10px;
      }
      .page-king79__faq-question {
        padding: 12px 15px;
      }
      .page-king79__faq-question h3 {
        font-size: 1em;
      }
      .page-king79__faq-answer {
        padding: 0 15px;
      }
      .page-king79__faq-item.active .page-king79__faq-answer {
        padding: 15px !important;
      }
      .page-king79__cta-title {
        font-size: 2em;
      }
      .page-king79__cta-description {
        font-size: 1em;
      }
      .page-king79__floating-button {
        display: inline-block; /* Show on mobile */
      }
      .page-king79 img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-king79__provider-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }
    }