:root {
      --page-77winbet-primary-color: #e44d26; /* Cam đỏ */
      --page-77winbet-secondary-color: #f7b731; /* Vàng cam */
      --page-77winbet-dark-color: #2c3e50; /* Xám đen */
      --page-77winbet-light-color: #ecf0f1; /* Xám nhạt */
      --page-77winbet-text-color: #333;
      --page-77winbet-white-color: #ffffff;
      --page-77winbet-border-radius: 8px;
      --page-77winbet-spacing-md: 20px;
      --page-77winbet-spacing-lg: 40px;
    }

    .page-77winbet {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--page-77winbet-text-color);
      background-color: var(--page-77winbet-light-color);
      overflow-x: hidden;
    }

    .page-77winbet__section {
      padding: var(--page-77winbet-spacing-lg) var(--page-77winbet-spacing-md);
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-77winbet__section-title {
      font-size: 2.5em;
      color: var(--page-77winbet-dark-color);
      text-align: center;
      margin-bottom: var(--page-77winbet-spacing-lg);
      position: relative;
      padding-bottom: 15px;
    }

    .page-77winbet__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-77winbet-primary-color);
      border-radius: 2px;
    }

    .page-77winbet__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7)), url('[GALLERY:background:gaming,casino,abstract]') center center / cover no-repeat;
      color: var(--page-77winbet-white-color);
      text-align: center;
      padding: 10px 20px 80px; /* Adjusted padding-top for fixed header */
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 500px;
      position: relative;
    }

    .page-77winbet__hero-title {
      font-size: 3.5em;
      margin-bottom: 20px;
      color: var(--page-77winbet-secondary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-77winbet__hero-description {
      font-size: 1.2em;
      max-width: 800px;
      margin-bottom: 30px;
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    }

    .page-77winbet__hero-button {
      background-color: var(--page-77winbet-primary-color);
      color: var(--page-77winbet-white-color);
      padding: 15px 30px;
      border-radius: var(--page-77winbet-border-radius);
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
      cursor: pointer;
      border: none;
      display: inline-block; /* Ensure it behaves like a button */
    }

    .page-77winbet__hero-button:hover {
      background-color: #c0392b; /* Darker red */
      transform: translateY(-3px);
    }

    .page-77winbet__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-77winbet-secondary-color);
      color: var(--page-77winbet-dark-color);
      padding: 15px 25px;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      border: none;
    }

    .page-77winbet__floating-button:hover {
      background-color: #f39c12; /* Darker yellow */
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    }

    .page-77winbet__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: var(--page-77winbet-spacing-md);
      margin-top: var(--page-77winbet-spacing-lg);
    }

    .page-77winbet__feature-item {
      background-color: var(--page-77winbet-white-color);
      padding: var(--page-77winbet-spacing-md);
      border-radius: var(--page-77winbet-border-radius);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
    }

    .page-77winbet__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    }

    .page-77winbet__feature-icon {
      width: 200px; /* Min size 200x200px */
      height: 200px;
      margin-bottom: 15px;
      object-fit: contain;
    }

    .page-77winbet__feature-title {
      font-size: 1.5em;
      color: var(--page-77winbet-primary-color);
      margin-bottom: 10px;
    }

    .page-77winbet__feature-description {
      font-size: 0.95em;
      color: #555;
    }

    .page-77winbet__game-categories-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: var(--page-77winbet-spacing-md);
      margin-top: var(--page-77winbet-spacing-lg);
    }

    .page-77winbet__game-card {
      background-color: var(--page-77winbet-white-color);
      border-radius: var(--page-77winbet-border-radius);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-77winbet__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    }

    .page-77winbet__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }

    .page-77winbet__game-content {
      padding: var(--page-77winbet-spacing-md);
    }

    .page-77winbet__game-title {
      font-size: 1.4em;
      color: var(--page-77winbet-dark-color);
      margin-bottom: 10px;
    }

    .page-77winbet__game-description {
      font-size: 0.9em;
      color: #666;
      margin-bottom: 15px;
    }

    .page-77winbet__game-button {
      background-color: var(--page-77winbet-primary-color);
      color: var(--page-77winbet-white-color);
      padding: 10px 20px;
      border-radius: var(--page-77winbet-border-radius);
      font-size: 0.9em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease;
      cursor: pointer;
      border: none;
      display: inline-block;
      margin-top: auto; /* Push button to bottom */
    }

    .page-77winbet__game-button:hover {
      background-color: #c0392b;
    }

    .page-77winbet__promotion-section {
      background-color: var(--page-77winbet-dark-color);
      color: var(--page-77winbet-white-color);
      text-align: center;
      padding: var(--page-77winbet-spacing-lg) var(--page-77winbet-spacing-md);
    }

    .page-77winbet__promotion-title {
      color: var(--page-77winbet-secondary-color);
      font-size: 2.2em;
      margin-bottom: 20px;
    }

    .page-77winbet__promotion-description {
      font-size: 1.1em;
      max-width: 800px;
      margin: 0 auto 30px;
    }

    .page-77winbet__promotion-button {
      background-color: var(--page-77winbet-primary-color);
      color: var(--page-77winbet-white-color);
      padding: 15px 30px;
      border-radius: var(--page-77winbet-border-radius);
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
      cursor: pointer;
      border: none;
      display: inline-block;
    }

    .page-77winbet__promotion-button:hover {
      background-color: #c0392b;
      transform: translateY(-3px);
    }

    .page-77winbet__guide-steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: var(--page-77winbet-spacing-md);
      margin-top: var(--page-77winbet-spacing-lg);
    }

    .page-77winbet__guide-step {
      background-color: var(--page-77winbet-white-color);
      padding: var(--page-77winbet-spacing-md);
      border-radius: var(--page-77winbet-border-radius);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      text-align: center;
      position: relative;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
    }

    .page-77winbet__step-number {
      background-color: var(--page-77winbet-primary-color);
      color: var(--page-77winbet-white-color);
      width: 50px;
      height: 50px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8em;
      font-weight: bold;
      margin-bottom: 15px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-77winbet__step-title {
      font-size: 1.5em;
      color: var(--page-77winbet-dark-color);
      margin-bottom: 10px;
    }

    .page-77winbet__step-description {
      font-size: 0.95em;
      color: #555;
    }

    .page-77winbet__faq-item {
      background-color: var(--page-77winbet-white-color);
      border-radius: var(--page-77winbet-border-radius);
      margin-bottom: 10px;
      overflow: hidden;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    }

    .page-77winbet__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-77winbet-primary-color);
      color: var(--page-77winbet-white-color);
      cursor: pointer;
      font-weight: bold;
      font-size: 1.1em;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-77winbet__faq-question h3 {
      margin: 0;
      color: var(--page-77winbet-white-color);
      font-size: 1.1em;
      pointer-events: none; /* Prevent h3 from blocking click on parent */
    }

    .page-77winbet__faq-question:hover {
      background-color: #c0392b; /* Darker red */
    }

    .page-77winbet__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 10px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click on parent */
    }

    .page-77winbet__faq-item.active .page-77winbet__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar */
    }

    .page-77winbet__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px; /* Adjust padding for mobile */
      background-color: #fcfcfc;
      color: var(--page-77winbet-text-color);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-77winbet__faq-item.active .page-77winbet__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px !important; /* Ensure padding is applied when active */
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-77winbet__hero-title {
        font-size: 2.5em;
      }

      .page-77winbet__hero-description {
        font-size: 1em;
      }

      .page-77winbet__section-title {
        font-size: 2em;
      }

      .page-77winbet__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }

      .page-77winbet__features-grid,
      .page-77winbet__game-categories-grid,
      .page-77winbet__guide-steps {
        grid-template-columns: 1fr;
        gap: var(--page-77winbet-spacing-md);
      }
      
      .page-77winbet__feature-item,
      .page-77winbet__game-card,
      .page-77winbet__guide-step {
          width: 100% !important;
          max-width: 100% !important;
          box-sizing: border-box !important;
          margin-left: 0 !important;
          margin-right: 0 !important;
      }

      .page-77winbet__section {
        padding: var(--page-77winbet-spacing-md) 15px;
      }

      .page-77winbet__game-image {
        height: 180px;
      }

      .page-77winbet__promotion-title {
        font-size: 1.8em;
      }
      
      /* Image responsive optimization */
      .page-77winbet img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-77winbet__game-card img,
      .page-77winbet__feature-item img {
        width: 100%; /* Ensure images within cards also scale */
        height: auto;
      }
      
      /* List item responsive requirements - applies to any ul/ol or div acting as list */
      .page-77winbet__features-grid > div,
      .page-77winbet__game-categories-grid > div,
      .page-77winbet__guide-steps > div {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 15px !important; /* Adjust padding to prevent content from touching edges */
        padding-right: 15px !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
      
      .page-77winbet__features-grid,
      .page-77winbet__game-categories-grid,
      .page-77winbet__guide-steps {
          width: 100% !important;
          max-width: 100% !important;
          box-sizing: border-box !important;
          padding: 0 !important;
          margin-left: 0 !important;
          margin-right: 0 !important;
      }
      
      .page-77winbet__faq-answer {
          padding: 0 15px; /* Smaller padding for mobile */
      }
      .page-77winbet__faq-item.active .page-77winbet__faq-answer {
          padding: 15px !important; /* Smaller padding when active for mobile */
      }
    }

    @media (max-width: 480px) {
      .page-77winbet__hero-title {
        font-size: 2em;
      }

      .page-77winbet__hero-description {
        font-size: 0.9em;
      }

      .page-77winbet__section-title {
        font-size: 1.8em;
      }

      .page-77winbet__floating-button {
        padding: 10px 18px;
        font-size: 0.9em;
      }
    }