:root {
      --page-yo88__primary-color: #e44d26; /* Cam đỏ */
      --page-yo88__secondary-color: #333; /* Xám đậm */
      --page-yo88__accent-color: #f7931e; /* Cam tươi */
      --page-yo88__text-color: #333;
      --page-yo88__background-color: #f9f9f9;
      --page-yo88__light-gray: #eee;
      --page-yo88__white: #fff;
    }

    .page-yo88 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-yo88__text-color);
      background-color: var(--page-yo88__background-color);
    }

    /* Hero Section */
    .page-yo88__hero-section {
      position: relative;
      width: 100%;
      height: 400px; /* Adjust height for mobile */
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      color: var(--page-yo88__white);
      overflow: hidden;
      padding-top: 10px; /* For fixed header */
      box-sizing: border-box;
    }

    .page-yo88__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -1;
    }

    .page-yo88__hero-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.8));
      z-index: -1;
    }

    .page-yo88__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-yo88__hero-title {
      font-size: 2.5em;
      margin-bottom: 10px;
      color: var(--page-yo88__white);
    }

    .page-yo88__hero-subtitle {
      font-size: 1.2em;
      margin-bottom: 20px;
      color: var(--page-yo88__light-gray);
    }

    .page-yo88__cta-button {
      display: inline-block;
      background-color: var(--page-yo88__primary-color);
      color: var(--page-yo88__white);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
    }

    .page-yo88__cta-button:hover {
      background-color: var(--page-yo88__accent-color);
    }

    /* Floating Login Button */
    .page-yo88__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-yo88__primary-color);
      color: var(--page-yo88__white);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.3s ease;
      white-space: nowrap;
      border: none;
      cursor: pointer;
    }

    .page-yo88__floating-button:hover {
      background-color: var(--page-yo88__accent-color);
      transform: translateX(-50%) translateY(-5px);
    }

    /* General Section Styling */
    .page-yo88__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    .page-yo88__section-title {
      font-size: 2em;
      color: var(--page-yo88__secondary-color);
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-yo88__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: var(--page-yo88__primary-color);
    }

    .page-yo88__text-content {
      text-align: left;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-yo88__text-content p {
      margin-bottom: 15px;
    }

    /* Game Categories */
    .page-yo88__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-yo88__game-card {
      background-color: var(--page-yo88__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-yo88__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-yo88__game-card-image-wrapper {
      width: 100%;
      height: 200px; /* Ensure minimum size */
      overflow: hidden;
    }

    .page-yo88__game-card-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .page-yo88__game-card:hover .page-yo88__game-card-image {
      transform: scale(1.05);
    }

    .page-yo88__game-card-content {
      padding: 20px;
    }

    .page-yo88__game-card-title {
      font-size: 1.3em;
      color: var(--page-yo88__primary-color);
      margin-bottom: 10px;
    }

    .page-yo88__game-card-description {
      font-size: 0.95em;
      color: var(--page-yo88__text-color);
      margin-bottom: 15px;
    }

    /* Why Choose Section */
    .page-yo88__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-yo88__feature-item {
      background-color: var(--page-yo88__white);
      border-radius: 10px;
      padding: 30px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
      text-align: left;
      transition: transform 0.3s ease;
    }

    .page-yo88__feature-item:hover {
      transform: translateY(-5px);
    }

    .page-yo88__feature-icon-wrapper {
      margin-bottom: 15px;
      width: 80px; /* Placeholder for larger icon image */
      height: 80px;
      border-radius: 50%;
      background-color: var(--page-yo88__primary-color);
      display: flex;
      justify-content: center;
      align-items: center;
      margin-left: auto;
      margin-right: auto;
    }

    .page-yo88__feature-icon {
      width: 60px; /* Example size, actual image will fill */
      height: 60px;
      object-fit: contain;
    }

    .page-yo88__feature-title {
      font-size: 1.2em;
      color: var(--page-yo88__secondary-color);
      margin-bottom: 10px;
      text-align: center;
    }

    .page-yo88__feature-description {
      font-size: 0.95em;
      color: var(--page-yo88__text-color);
      text-align: center;
    }

    /* How To Section */
    .page-yo88__steps-container {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 30px;
    }

    .page-yo88__step-item {
      background-color: var(--page-yo88__white);
      border-left: 5px solid var(--page-yo88__primary-color);
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      text-align: left;
    }

    .page-yo88__step-title {
      font-size: 1.4em;
      color: var(--page-yo88__primary-color);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
    }

    .page-yo88__step-number {
      background-color: var(--page-yo88__primary-color);
      color: var(--page-yo88__white);
      border-radius: 50%;
      width: 30px;
      height: 30px;
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 1em;
      font-weight: bold;
      margin-right: 15px;
    }

    .page-yo88__step-description {
      font-size: 1em;
      color: var(--page-yo88__text-color);
    }

    /* FAQ Section */
    .page-yo88__faq-container {
      margin-top: 30px;
      text-align: left;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-yo88__faq-item {
      background-color: var(--page-yo88__white);
      margin-bottom: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      overflow: hidden;
    }

    .page-yo88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-yo88__light-gray);
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-yo88__faq-question:hover {
      background-color: #e0e0e0;
    }

    .page-yo88__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-yo88__secondary-color);
      pointer-events: none; /* Prevent text selection from interfering with click */
    }

    .page-yo88__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-yo88__primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent icon from interfering with click */
    }

    .page-yo88__faq-item.active .page-yo88__faq-toggle {
      transform: rotate(45deg); /* Plus sign rotates to a cross, or simply change to minus */
      content: "−" !important; /* This won't work directly, JS handles it */
    }

    .page-yo88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px; /* Initial padding for smooth transition */
      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(--page-yo88__text-color);
    }

    .page-yo88__faq-item.active .page-yo88__faq-answer {
      max-height: 2000px !important; /* Large enough to contain content */
      padding: 20px 15px !important; /* Final padding */
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-yo88__hero-section {
        height: 300px;
        padding-top: 10px; /* Ensure spacing for mobile fixed header */
      }

      .page-yo88__hero-title {
        font-size: 1.8em;
      }

      .page-yo88__hero-subtitle {
        font-size: 1em;
      }

      .page-yo88__cta-button {
        padding: 10px 20px;
        font-size: 0.9em;
      }

      .page-yo88__floating-button {
        padding: 12px 25px;
        font-size: 0.95em;
        bottom: 15px;
      }

      .page-yo88__section {
        padding: 30px 15px;
      }

      .page-yo88__section-title {
        font-size: 1.8em;
        margin-bottom: 20px;
      }

      .page-yo88__game-grid,
      .page-yo88__features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-yo88__game-card-image-wrapper {
        height: 180px;
      }

      .page-yo88__game-card-title {
        font-size: 1.2em;
      }

      .page-yo88__feature-item {
        padding: 25px;
      }

      .page-yo88__feature-title {
        font-size: 1.1em;
      }

      .page-yo88__step-item {
        padding: 20px;
      }

      .page-yo88__step-title {
        font-size: 1.2em;
      }

      .page-yo88__step-number {
        width: 28px;
        height: 28px;
        font-size: 0.9em;
        margin-right: 10px;
      }

      .page-yo88__faq-question {
        padding: 12px 15px;
      }

      .page-yo88__faq-question h3 {
        font-size: 1em;
      }

      .page-yo88__faq-toggle {
        font-size: 1.3em;
      }

      .page-yo88__faq-item.active .page-yo88__faq-answer {
        padding: 15px !important;
      }

      /* Image responsiveness for mobile */
      .page-yo88 img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-yo88__game-card-image,
      .page-yo88__hero-background,
      .page-yo88__feature-icon {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-yo88__game-card-image-wrapper,
      .page-yo88__feature-icon-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (min-width: 769px) {
      .page-yo88__hero-section {
        height: 500px;
        padding-top: 10px; /* For fixed header */
      }
      .page-yo88__hero-title {
        font-size: 3.5em;
      }
      .page-yo88__hero-subtitle {
        font-size: 1.5em;
      }
    }