:root {
      --page-66ko__primary-color: #e44d26; /* Cam rực rỡ */
      --page-66ko__secondary-color: #f7b731; /* Vàng nắng */
      --page-66ko__dark-background: #1a1a2e; /* Xanh đen */
      --page-66ko__light-text: #ffffff;
      --page-66ko__gray-text: #cccccc;
      --page-66ko__border-color: #3f3f5a;
      --page-66ko__button-hover: #ff6f3d;
      --page-66ko__transition-speed: 0.3s ease;
    }

    .page-66ko {
      font-family: 'Arial', sans-serif;
      color: var(--page-66ko__light-text);
      background-color: var(--page-66ko__dark-background);
      line-height: 1.6;
      padding-bottom: 50px; /* Thêm padding dưới để tránh nội dung bị che bởi footer */
    }

    .page-66ko__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      text-align: center;
      background-color: #2a2a4a;
      border-radius: 10px;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-66ko__section--dark {
      background-color: #1a1a2e;
    }

    .page-66ko__section-title {
      font-size: 2.5em;
      color: var(--page-66ko__secondary-color);
      margin-bottom: 25px;
      position: relative;
      padding-bottom: 10px;
      text-transform: uppercase;
    }

    .page-66ko__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-66ko__primary-color);
      border-radius: 2px;
    }

    .page-66ko__hero-section {
      padding-top: 10px; /* Fixed header offset */
      padding-bottom: 50px;
      background: linear-gradient(135deg, var(--page-66ko__dark-background) 0%, #3a1c71 100%);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 80vh;
      text-align: center;
      position: relative;
      overflow: hidden;
      border-radius: 0 0 20px 20px;
    }

    .page-66ko__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      opacity: 0.3;
    }

    .page-66ko__hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      padding: 0 20px;
    }

    .page-66ko__hero-title {
      font-size: 3.5em;
      color: var(--page-66ko__secondary-color);
      margin-bottom: 20px;
      text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
      line-height: 1.2;
    }

    .page-66ko__hero-subtitle {
      font-size: 1.5em;
      color: var(--page-66ko__light-text);
      margin-bottom: 30px;
      font-weight: 300;
    }

    .page-66ko__promo-button {
      background-color: var(--page-66ko__primary-color);
      color: var(--page-66ko__light-text);
      padding: 15px 35px;
      border: none;
      border-radius: 50px;
      font-size: 1.2em;
      font-weight: bold;
      cursor: pointer;
      transition: background-color var(--page-66ko__transition-speed), transform var(--page-66ko__transition-speed);
      text-decoration: none;
      display: inline-block;
    }

    .page-66ko__promo-button:hover {
      background-color: var(--page-66ko__button-hover);
      transform: translateY(-3px);
    }

    .page-66ko__text-content {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: var(--page-66ko__gray-text);
    }

    .page-66ko__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-66ko__game-card {
      background-color: #3a3a5a;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
      transition: transform var(--page-66ko__transition-speed);
      text-align: left;
      display: flex;
      flex-direction: column;
    }

    .page-66ko__game-card:hover {
      transform: translateY(-8px);
    }

    .page-66ko__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      border-bottom: 3px solid var(--page-66ko__primary-color);
    }

    .page-66ko__game-card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-66ko__game-card-title {
      font-size: 1.5em;
      color: var(--page-66ko__secondary-color);
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .page-66ko__game-card-description {
      font-size: 0.95em;
      color: var(--page-66ko__gray-text);
      margin-bottom: 15px;
    }

    .page-66ko__game-card-button {
      background-color: var(--page-66ko__primary-color);
      color: var(--page-66ko__light-text);
      padding: 10px 20px;
      border: none;
      border-radius: 25px;
      font-size: 1em;
      font-weight: bold;
      cursor: pointer;
      transition: background-color var(--page-66ko__transition-speed);
      display: inline-block;
      text-align: center;
      margin-top: auto; /* Push button to the bottom */
    }

    .page-66ko__game-card-button:hover {
      background-color: var(--page-66ko__button-hover);
    }

    .page-66ko__features-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 40px;
      list-style: none;
      padding: 0;
    }

    .page-66ko__feature-item {
      background-color: #3a3a5a;
      padding: 25px;
      border-radius: 15px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      text-align: center;
      transition: transform var(--page-66ko__transition-speed);
      box-sizing: border-box; /* Crucial for responsive lists */
    }

    .page-66ko__feature-item:hover {
      transform: translateY(-5px);
    }

    .page-66ko__feature-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 15px;
      object-fit: contain;
    }

    .page-66ko__feature-title {
      font-size: 1.3em;
      color: var(--page-66ko__secondary-color);
      margin-bottom: 10px;
    }

    .page-66ko__feature-description {
      font-size: 0.95em;
      color: var(--page-66ko__gray-text);
    }

    .page-66ko__payment-providers,
    .page-66ko__game-providers {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

    .page-66ko__provider-logo {
      width: 120px;
      height: 60px;
      object-fit: contain;
      background-color: var(--page-66ko__light-text);
      padding: 10px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      transition: transform var(--page-66ko__transition-speed);
      display: block; /* Ensure it respects width/height */
    }

    .page-66ko__provider-logo:hover {
      transform: scale(1.05);
    }

    .page-66ko__faq-section {
      padding: 40px 20px;
      text-align: center;
      background-color: #2a2a4a;
      border-radius: 10px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-66ko__faq-list {
      margin-top: 30px;
      text-align: left;
    }

    .page-66ko__faq-item {
      background-color: #3a3a5a;
      margin-bottom: 15px;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-66ko__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: var(--page-66ko__primary-color);
      color: var(--page-66ko__light-text);
      font-size: 1.15em;
      font-weight: bold;
      transition: background-color var(--page-66ko__transition-speed);
      user-select: none;
    }

    .page-66ko__faq-question:hover {
      background-color: var(--page-66ko__button-hover);
    }

    .page-66ko__faq-question h3 {
      margin: 0;
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click on parent */
    }

    .page-66ko__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      transition: transform var(--page-66ko__transition-speed);
      pointer-events: none; /* Prevent toggle icon from blocking click on parent */
    }

    .page-66ko__faq-item.active .page-66ko__faq-toggle {
      transform: rotate(45deg);
    }

    .page-66ko__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      background-color: #4a4a6a;
      color: var(--page-66ko__gray-text);
      font-size: 1em;
      line-height: 1.8;
    }

    .page-66ko__faq-item.active .page-66ko__faq-answer {
      max-height: 2000px !important; /* Use !important as required */
      padding: 20px !important; /* Use !important as required */
      opacity: 1;
    }

    .page-66ko__contact-section {
      text-align: center;
    }

    .page-66ko__contact-text {
      font-size: 1.1em;
      margin-bottom: 25px;
      color: var(--page-66ko__gray-text);
    }

    .page-66ko__social-links {
      display: flex;
      justify-content: center;
      gap: 25px;
      margin-top: 20px;
    }

    .page-66ko__social-icon {
      width: 50px;
      height: 50px;
      object-fit: contain;
      transition: transform var(--page-66ko__transition-speed);
      display: block;
      border-radius: 50%;
      background-color: var(--page-66ko__light-text);
      padding: 5px;
    }

    .page-66ko__social-icon:hover {
      transform: scale(1.1);
    }

    /* Responsive adjustments */
    @media (max-width: 1024px) {
      .page-66ko__hero-title {
        font-size: 3em;
      }
      .page-66ko__hero-subtitle {
        font-size: 1.3em;
      }
      .page-66ko__section-title {
        font-size: 2em;
      }
    }

    @media (max-width: 768px) {
      .page-66ko__section {
        padding: 30px 15px;
      }
      .page-66ko__hero-section {
        min-height: 70vh;
        padding-bottom: 40px;
      }
      .page-66ko__hero-title {
        font-size: 2.2em;
      }
      .page-66ko__hero-subtitle {
        font-size: 1.1em;
      }
      .page-66ko__promo-button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-66ko__text-content {
        font-size: 1em;
      }
      .page-66ko__game-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .page-66ko__features-list {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-66ko__feature-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 20px;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }
      .page-66ko__feature-description {
        word-break: break-word !important;
      }
      .page-66ko__provider-logo {
        width: 100px;
        height: 50px;
      }
      .page-66ko__faq-question {
        font-size: 1em;
        padding: 12px 15px;
      }
      .page-66ko__faq-answer {
        padding: 15px !important; /* Ensure mobile padding is consistent */
      }
      .page-66ko__social-icon {
        width: 40px;
        height: 40px;
      }
      .page-66ko__faq-section {
        padding: 30px 15px;
      }
    }

    @media (max-width: 480px) {
      .page-66ko__hero-title {
        font-size: 1.8em;
      }
      .page-66ko__hero-subtitle {
        font-size: 0.9em;
      }
      .page-66ko__section-title {
        font-size: 1.8em;
      }
      .page-66ko__game-card-title {
        font-size: 1.3em;
      }
      .page-66ko__feature-title {
        font-size: 1.1em;
      }
    }

    /* All images responsive */
    .page-66ko img {
      max-width: 100%;
      height: auto;
      display: block; /* Remove extra space below images */
    }

    /* Image containers responsive */
    .page-66ko__game-card-image-container,
    .page-66ko__feature-icon-container,
    .page-66ko__provider-logo-container,
    .page-66ko__social-icon-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      display: flex;
      justify-content: center; /* Center images within their flexible containers */
      align-items: center;
    }

    /* Force responsive image styles for mobile */
    @media (max-width: 768px) {
      .page-66ko img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-66ko__game-card-image-container,
      .page-66ko__feature-icon-container,
      .page-66ko__provider-logo-container,
      .page-66ko__social-icon-container {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
      .page-66ko__hero-background {
        max-width: 100% !important;
        height: auto !important;
      }
    }