:root {
      --page-one888-primary-color: #FFD700; /* Vàng */
      --page-one888-secondary-color: #FFFFFF; /* Trắng */
      --page-one888-background-color: #000000; /* Đen */
      --page-one888-text-color: #FFFFFF;
      --page-one888-accent-color: #FF4500; /* Cam đỏ */
    }

    .page-one888 {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-one888-background-color);
      color: var(--page-one888-text-color);
      line-height: 1.6;
      overflow-x: hidden;
      padding-bottom: 80px; /* Space for the floating button */
    }

    .page-one888__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    /* Hero Section */
    .page-one888__hero-section {
      background-color: var(--page-one888-background-color);
      text-align: center;
      padding-top: 150px; /* Adjusted for fixed header */
      padding-bottom: 40px;
      position: relative;
    }

    .page-one888__hero-logo {
      max-width: 250px;
      height: auto;
      margin-bottom: 20px;
      display: block;
      margin-left: auto;
      margin-right: auto;
    }

    .page-one888__hero-image {
      width: 100%;
      max-width: 800px;
      height: auto;
      display: block;
      margin: 20px auto;
      border-radius: 15px;
      box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
      object-fit: cover;
    }

    .page-one888__hero-title {
      font-size: 2.8em;
      color: var(--page-one888-primary-color);
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .page-one888__hero-subtitle {
      font-size: 1.3em;
      color: var(--page-one888-secondary-color);
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-one888__cta-button {
      display: inline-block;
      background-color: var(--page-one888-primary-color);
      color: var(--page-one888-background-color);
      padding: 15px 30px;
      border-radius: 30px;
      text-decoration: none;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      cursor: pointer;
      border: none;
    }

    .page-one888__cta-button:hover {
      background-color: var(--page-one888-accent-color);
      transform: translateY(-3px);
    }

    /* Floating Login Button */
    .page-one888__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-one888-accent-color);
      color: var(--page-one888-secondary-color);
      padding: 12px 25px;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      text-align: center;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.3s ease;
      cursor: pointer;
      border: none;
      white-space: nowrap; /* Prevent text wrapping */
    }

    .page-one888__floating-button:hover {
      background-color: #FF6347; /* Slightly brighter red-orange */
      transform: translateX(-50%) translateY(-3px);
    }

    /* Section Styling */
    .page-one888__section {
      padding: 60px 0;
      text-align: center;
    }

    .page-one888__section-title {
      font-size: 2.2em;
      color: var(--page-one888-primary-color);
      margin-bottom: 40px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-one888__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      bottom: 0;
      width: 80px;
      height: 4px;
      background-color: var(--page-one888-accent-color);
      border-radius: 2px;
    }

    .page-one888__section-description {
      font-size: 1.1em;
      color: var(--page-one888-secondary-color);
      max-width: 800px;
      margin: 0 auto 50px auto;
    }

    /* Game Categories */
    .page-one888__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 40px;
    }

    .page-one888__game-item {
      background-color: #1a1a1a;
      border-radius: 10px;
      padding: 20px;
      display: flex;
      flex-direction: column;
      align-items: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
      color: var(--page-one888-text-color);
      text-decoration: none;
    }

    .page-one888__game-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(255, 215, 0, 0.2);
    }

    .page-one888__game-icon {
      width: 100%;
      max-width: 250px; /* Ensure minimum 200px and responsive */
      height: auto;
      margin-bottom: 15px;
      border-radius: 8px;
      object-fit: cover;
    }

    .page-one888__game-name {
      font-size: 1.1em;
      font-weight: bold;
      color: var(--page-one888-primary-color);
      text-align: center;
    }

    /* Promotions Section */
    .page-one888__promotions-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-one888__promo-card {
      background-color: #1a1a1a;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-one888__promo-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 12px 25px rgba(255, 215, 0, 0.3);
    }

    .page-one888__promo-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }

    .page-one888__promo-content {
      padding: 25px;
      text-align: left;
    }

    .page-one888__promo-title {
      font-size: 1.4em;
      color: var(--page-one888-primary-color);
      margin-bottom: 10px;
    }

    .page-one888__promo-description {
      font-size: 0.95em;
      color: var(--page-one888-secondary-color);
      margin-bottom: 20px;
    }

    /* Game Providers Section */
    .page-one888__providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-one888__provider-item {
      background-color: #1a1a1a;
      border-radius: 10px;
      padding: 20px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
      min-height: 150px;
    }

    .page-one888__provider-item:hover {
      transform: scale(1.05);
      box-shadow: 0 8px 20px rgba(255, 215, 0, 0.2);
    }

    .page-one888__provider-logo {
      width: 100%;
      max-width: 250px; /* Ensure minimum 200px */
      height: auto;
      object-fit: contain;
    }

    /* Why Choose Section */
    .page-one888__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-one888__feature-card {
      background-color: #1a1a1a;
      border-radius: 15px;
      padding: 30px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      text-align: left;
      transition: transform 0.3s ease, background-color 0.3s ease;
      box-sizing: border-box;
    }

    .page-one888__feature-card:hover {
      transform: translateY(-5px);
      background-color: #2a2a2a;
    }

    .page-one888__feature-icon {
      width: 100%;
      max-width: 200px; /* Min size */
      height: auto;
      margin-bottom: 20px;
      display: block;
      margin-left: 0;
      border-radius: 8px;
    }

    .page-one888__feature-title {
      font-size: 1.3em;
      color: var(--page-one888-primary-color);
      margin-bottom: 10px;
    }

    .page-one888__feature-description {
      font-size: 0.95em;
      color: var(--page-one888-secondary-color);
    }

    /* Call to Action Section */
    .page-one888__cta-section {
      background-color: #1a1a1a;
      padding: 60px 20px;
      border-radius: 15px;
      margin: 40px auto;
      max-width: 900px;
    }

    .page-one888__cta-title {
      font-size: 2em;
      color: var(--page-one888-primary-color);
      margin-bottom: 20px;
    }

    .page-one888__cta-text {
      font-size: 1.1em;
      color: var(--page-one888-secondary-color);
      margin-bottom: 30px;
    }

    /* FAQ Section */
    .page-one888__faq-section {
      padding: 60px 0;
      text-align: center;
    }

    .page-one888__faq-list {
      max-width: 800px;
      margin: 40px auto 0 auto;
      text-align: left;
    }

    .page-one888__faq-item {
      background-color: #1a1a1a;
      border-radius: 10px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    }

    .page-one888__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: #2a2a2a;
      cursor: pointer;
      user-select: none;
      color: var(--page-one888-primary-color);
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-one888__faq-question h3 {
      margin: 0;
      color: inherit;
      pointer-events: none; /* Prevents text from interfering with click event */
      flex-grow: 1;
    }

    .page-one888__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-one888__faq-toggle {
      font-size: 1.5em;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevents icon from interfering with click event */
    }

    .page-one888__faq-item.active .page-one888__faq-toggle {
      transform: rotate(45deg);
    }

    .page-one888__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      opacity: 0;
      color: var(--page-one888-secondary-color);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
    }

    .page-one888__faq-item.active .page-one888__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-one888__hero-section {
        padding-top: 100px; /* Adjust for mobile fixed header */
        padding-bottom: 30px;
      }

      .page-one888__hero-logo {
        max-width: 200px;
      }

      .page-one888__hero-title {
        font-size: 2em;
      }

      .page-one888__hero-subtitle {
        font-size: 1em;
      }

      .page-one888__cta-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }

      .page-one888__floating-button {
        bottom: 15px;
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-one888__section {
        padding: 40px 0;
      }

      .page-one888__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
      }

      .page-one888__section-description {
        font-size: 1em;
        margin-bottom: 40px;
      }

      .page-one888__game-categories,
      .page-one888__promotions-grid,
      .page-one888__providers-grid,
      .page-one888__features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-one888__game-item,
      .page-one888__promo-card,
      .page-one888__provider-item,
      .page-one888__feature-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-one888__game-icon,
      .page-one888__promo-image,
      .page-one888__provider-logo,
      .page-one888__feature-icon,
      .page-one888__hero-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-one888__promo-content,
      .page-one888__feature-card,
      .page-one888__faq-question,
      .page-one888__faq-answer {
        padding: 15px 15px !important;
      }

      .page-one888__promo-title,
      .page-one888__feature-title {
        font-size: 1.2em;
      }

      .page-one888__promo-description,
      .page-one888__feature-description {
        font-size: 0.9em;
      }

      .page-one888__cta-section {
        padding: 40px 15px;
      }

      .page-one888__cta-title {
        font-size: 1.6em;
      }

      .page-one888__cta-text {
        font-size: 1em;
      }

      .page-one888__faq-question {
        font-size: 1em;
      }

      .page-one888__faq-toggle {
        font-size: 1.3em;
      }
    }