:root {
      --page-u888vip1__primary-color: #e44d26; /* Cam nổi bật */
      --page-u888vip1__secondary-color: #333333; /* Xám đậm */
      --page-u888vip1__background-color: #1a1a1a; /* Nền tối */
      --page-u888vip1__text-color: #e0e0e0; /* Chữ sáng */
      --page-u888vip1__accent-color: #f7b32b; /* Vàng nhấn */
      --page-u888vip1__border-color: #444444; /* Viền xám */
      --page-u888vip1__card-bg: #222222; /* Nền thẻ */
    }

    .page-u888vip1 {
      font-family: 'Arial', sans-serif;
      color: var(--page-u888vip1__text-color);
      background-color: var(--page-u888vip1__background-color);
      line-height: 1.6;
    }

    .page-u888vip1__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-u888vip1__hero-section {
      position: relative;
      text-align: center;
      padding-top: 10px; /* Essential for fixed header clearance */
      margin-bottom: 40px;
      background-color: var(--page-u888vip1__secondary-color);
      overflow: hidden;
      border-bottom: 3px solid var(--page-u888vip1__primary-color);
    }

    .page-u888vip1__hero-image {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      box-sizing: border-box;
    }

    .page-u888vip1__hero-content {
      position: relative;
      padding: 20px 15px;
      z-index: 1;
      text-align: center;
      background: linear-gradient(to bottom, rgba(26, 26, 26, 0.8), var(--page-u888vip1__background-color));
    }

    .page-u888vip1__hero-title {
      font-size: 2.8em;
      color: var(--page-u888vip1__primary-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      line-height: 1.2;
    }

    .page-u888vip1__hero-description {
      font-size: 1.2em;
      color: var(--page-u888vip1__text-color);
      margin-bottom: 25px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-u888vip1__login-button-float {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-u888vip1__accent-color);
      color: var(--page-u888vip1__background-color);
      padding: 15px 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);
      transition: transform 0.3s ease, background-color 0.3s ease;
      z-index: 1000;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      line-height: 1.2;
    }

    .page-u888vip1__login-button-float:hover {
      transform: translateY(-5px) scale(1.05);
      background-color: #ffc107; /* Slightly lighter yellow */
    }

    .page-u888vip1__section-title {
      font-size: 2.2em;
      color: var(--page-u888vip1__primary-color);
      text-align: center;
      margin-bottom: 30px;
      padding-top: 20px;
      border-bottom: 2px solid var(--page-u888vip1__primary-color);
      display: inline-block;
      padding-bottom: 10px;
    }

    .page-u888vip1__text-center {
      text-align: center;
    }

    .page-u888vip1__intro-section,
    .page-u888vip1__game-categories,
    .page-u888vip1__providers-section,
    .page-u888vip1__why-choose-us,
    .page-u888vip1__how-to-section,
    .page-u888vip1__faq-section,
    .page-u888vip1__contact-section {
      padding: 40px 20px;
      margin-bottom: 30px;
      background-color: var(--page-u888vip1__secondary-color);
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }

    .page-u888vip1__intro-section p {
      font-size: 1.1em;
      margin-bottom: 15px;
    }

    .page-u888vip1__game-grid,
    .page-u888vip1__provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-u888vip1__game-card,
    .page-u888vip1__provider-card {
      background-color: var(--page-u888vip1__card-bg);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 15px;
    }

    .page-u888vip1__game-card:hover,
    .page-u888vip1__provider-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    }

    .page-u888vip1__game-card-image-wrapper,
    .page-u888vip1__provider-card-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Fixed height for consistency */
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: #000;
    }

    .page-u888vip1__game-card-image,
    .page-u888vip1__provider-card-image {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: contain; /* Ensure full image is visible */
    }

    .page-u888vip1__game-card-title,
    .page-u888vip1__provider-card-title {
      font-size: 1.4em;
      color: var(--page-u888vip1__primary-color);
      margin: 15px 10px 10px;
      text-decoration: none;
      display: block;
    }

    .page-u888vip1__game-card-link {
      color: var(--page-u888vip1__primary-color);
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .page-u888vip1__game-card-link:hover {
      color: var(--page-u888vip1__accent-color);
    }

    .page-u888vip1__list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-u888vip1__list-item {
      background-color: var(--page-u888vip1__card-bg);
      margin-bottom: 15px;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      display: flex;
      align-items: flex-start;
    }

    .page-u888vip1__list-item::before {
      content: '✔';
      color: var(--page-u888vip1__accent-color);
      font-weight: bold;
      margin-right: 15px;
      font-size: 1.2em;
    }

    .page-u888vip1__how-to-steps {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

    .page-u888vip1__step-card {
      background-color: var(--page-u888vip1__card-bg);
      border-radius: 10px;
      padding: 25px;
      text-align: center;
      flex: 1 1 calc(33% - 40px); /* 3 cards per row */
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      min-width: 280px;
    }

    .page-u888vip1__step-number {
      font-size: 2.5em;
      color: var(--page-u888vip1__accent-color);
      font-weight: bold;
      margin-bottom: 10px;
    }

    .page-u888vip1__step-title {
      font-size: 1.5em;
      color: var(--page-u888vip1__primary-color);
      margin-bottom: 10px;
    }

    .page-u888vip1__faq-list {
      margin-top: 30px;
    }

    .page-u888vip1__faq-item {
      background-color: var(--page-u888vip1__card-bg);
      margin-bottom: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      overflow: hidden;
    }

    .page-u888vip1__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      user-select: none;
      background-color: var(--page-u888vip1__secondary-color);
      border-bottom: 1px solid var(--page-u888vip1__border-color);
      transition: background-color 0.3s ease;
    }

    .page-u888vip1__faq-question:hover {
      background-color: #444444;
    }

    .page-u888vip1__faq-question h3 {
      margin: 0;
      font-size: 1.3em;
      color: var(--page-u888vip1__primary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-u888vip1__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-u888vip1__accent-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-u888vip1__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      background-color: var(--page-u888vip1__card-bg);
      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-u888vip1__text-color);
    }

    .page-u888vip1__faq-answer p {
      margin: 20px 0;
    }

    .page-u888vip1__faq-item.active .page-u888vip1__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-u888vip1__faq-item.active .page-u888vip1__faq-toggle {
      transform: rotate(45deg); /* Plus to Minus effect */
    }

    .page-u888vip1__contact-section p {
      margin-bottom: 10px;
    }

    .page-u888vip1__contact-link {
      color: var(--page-u888vip1__accent-color);
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .page-u888vip1__contact-link:hover {
      color: var(--page-u888vip1__primary-color);
    }

    /* Responsive Design */
    @media (max-width: 992px) {
      .page-u888vip1__hero-title {
        font-size: 2.2em;
      }
      .page-u888vip1__hero-description {
        font-size: 1em;
      }
      .page-u888vip1__section-title {
        font-size: 1.8em;
      }
      .page-u888vip1__game-grid,
      .page-u888vip1__provider-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      }
      .page-u888vip1__step-card {
        flex: 1 1 calc(50% - 20px); /* 2 cards per row */
      }
    }

    @media (max-width: 768px) {
      .page-u888vip1__container {
        padding: 10px;
      }
      .page-u888vip1__hero-section {
        padding-top: 10px !important; /* Mobile fixed header clearance */
      }
      .page-u888vip1__hero-title {
        font-size: 1.8em;
      }
      .page-u888vip1__hero-description {
        font-size: 0.9em;
      }
      .page-u888vip1__login-button-float {
        padding: 12px 20px;
        font-size: 1em;
        bottom: 15px;
        right: 15px;
      }
      .page-u888vip1__section-title {
        font-size: 1.6em;
        margin-bottom: 20px;
      }
      .page-u888vip1__intro-section,
      .page-u888vip1__game-categories,
      .page-u888vip1__providers-section,
      .page-u888vip1__why-choose-us,
      .page-u888vip1__how-to-section,
      .page-u888vip1__faq-section,
      .page-u888vip1__contact-section {
        padding: 25px 15px;
      }
      .page-u888vip1__game-grid,
      .page-u888vip1__provider-grid {
        grid-template-columns: 1fr; /* 1 card per row */
        gap: 20px;
      }
      .page-u888vip1__game-card-title,
      .page-u888vip1__provider-card-title {
        font-size: 1.2em;
      }
      .page-u888vip1__step-card {
        flex: 1 1 100%; /* 1 card per row */
      }
      .page-u888vip1__faq-question {
        padding: 15px 20px;
      }
      .page-u888vip1__faq-question h3 {
        font-size: 1.1em;
      }
      .page-u888vip1__faq-answer {
        padding: 0 20px;
      }
      .page-u888vip1__faq-item.active .page-u888vip1__faq-answer {
        padding: 15px 20px !important;
      }
      .page-u888vip1__game-card-image-wrapper,
      .page-u888vip1__provider-card-image-wrapper {
        height: 180px;
      }
      .page-u888vip1__hero-image,
      .page-u888vip1__game-card-image,
      .page-u888vip1__provider-card-image {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-u888vip1__game-card-image-wrapper,
      .page-u888vip1__provider-card-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }