:root {
      --page-86bet-primary-color: #007bff; /* Xanh dương */
      --page-86bet-secondary-color: #ffc107; /* Vàng */
      --page-86bet-text-color: #333;
      --page-86bet-bg-color: #f8f9fa;
      --page-86bet-dark-bg: #343a40;
      --page-86bet-light-text: #fff;
    }

    .page-86bet {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--page-86bet-text-color);
      background-color: var(--page-86bet-bg-color);
      overflow-x: hidden;
    }

    .page-86bet__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-86bet-light-text);
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-86bet__section--dark {
      background-color: var(--page-86bet-dark-bg);
      color: var(--page-86bet-light-text);
      text-align: center;
    }

    .page-86bet__heading {
      color: var(--page-86bet-primary-color);
      text-align: center;
      margin-bottom: 30px;
      font-size: 2.5em;
      font-weight: 700;
    }

    .page-86bet__heading--dark {
      color: var(--page-86bet-secondary-color);
    }

    .page-86bet__sub-heading {
      color: var(--page-86bet-primary-color);
      font-size: 1.8em;
      margin-top: 30px;
      margin-bottom: 15px;
      font-weight: 600;
    }

    .page-86bet__paragraph {
      margin-bottom: 15px;
      font-size: 1.1em;
      line-height: 1.7;
    }

    .page-86bet__button {
      display: inline-block;
      background-color: var(--page-86bet-primary-color);
      color: var(--page-86bet-light-text);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      text-align: center;
      box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
    }

    .page-86bet__button:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    .page-86bet__button--secondary {
      background-color: var(--page-86bet-secondary-color);
      color: var(--page-86bet-dark-bg);
      box-shadow: 0 4px 15px rgba(255, 193, 7, 0.3);
    }

    .page-86bet__button--secondary:hover {
      background-color: #e0a800;
    }

    /* Hero Section */
    .page-86bet__hero-section {
      position: relative;
      text-align: center;
      color: var(--page-86bet-light-text);
      padding: 10px 0 60px 0; /* Adjusted padding-top for fixed header */
      overflow: hidden;
      background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    }

    .page-86bet__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 20px;
    }

    .page-86bet__hero-image {
      width: 100%;
      height: auto;
      max-width: 100%;
      display: block;
      border-radius: 8px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    }

    .page-86bet__hero-content {
      position: relative;
      z-index: 1;
      padding: 0 20px;
    }

    .page-86bet__hero-title {
      font-size: 3.5em;
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
      color: var(--page-86bet-secondary-color);
    }

    .page-86bet__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Floating Login Button */
    .page-86bet__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: #dc3545; /* Đỏ nổi bật */
      color: var(--page-86bet-light-text);
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.05em;
      box-shadow: 0 6px 20px rgba(220, 53, 69, 0.4);
      z-index: 1000;
      animation: page-86bet__pulse 1.5s infinite;
      white-space: nowrap;
    }

    .page-86bet__floating-button:hover {
      background-color: #c82333;
    }

    @keyframes page-86bet__pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.05); }
      100% { transform: translateX(-50%) scale(1); }
    }

    /* Game List */
    .page-86bet__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-86bet__game-item {
      background-color: #fefefe;
      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;
      box-sizing: border-box; /* Crucial for responsiveness */
    }

    .page-86bet__game-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-86bet__game-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-86bet__game-image {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      object-fit: cover;
      display: block;
    }

    .page-86bet__game-content {
      padding: 20px;
    }

    .page-86bet__game-title {
      font-size: 1.4em;
      color: var(--page-86bet-primary-color);
      margin-bottom: 10px;
      font-weight: 600;
    }

    .page-86bet__game-description {
      font-size: 0.95em;
      color: #555;
    }

    /* Step List / General Lists */
    .page-86bet__step-list,
    .page-86bet__feature-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      justify-content: center;
      width: 100%; /* Ensure container takes full width */
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-86bet__step-item,
    .page-86bet__feature-item {
      background-color: #fefefe;
      border: 1px solid #eee;
      border-radius: 8px;
      padding: 25px;
      flex: 1;
      min-width: 280px;
      max-width: calc(33.333% - 20px); /* For 3 columns on desktop */
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      transition: transform 0.2s ease;
      box-sizing: border-box; /* Crucial for responsiveness */
      text-align: left;
    }

    .page-86bet__step-item:hover,
    .page-86bet__feature-item:hover {
      transform: translateY(-3px);
    }

    .page-86bet__step-number {
      font-size: 2.2em;
      font-weight: bold;
      color: var(--page-86bet-secondary-color);
      margin-bottom: 10px;
      display: block;
    }

    .page-86bet__step-title,
    .page-86bet__feature-title {
      font-size: 1.3em;
      color: var(--page-86bet-primary-color);
      margin-bottom: 10px;
      font-weight: 600;
    }

    .page-86bet__step-description,
    .page-86bet__feature-description {
      font-size: 1em;
      color: #666;
    }

    .page-86bet__image-full-width-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        margin: 20px 0;
        text-align: center;
    }

    .page-86bet__image-full-width {
        width: 100%;
        height: auto;
        max-width: 100%;
        display: block;
        border-radius: 8px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }

    /* FAQ Section */
    .page-86bet__faq-container {
      margin-top: 30px;
    }

    .page-86bet__faq-item {
      background-color: #fff;
      border: 1px solid #e0e0e0;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-86bet__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: #fefefe;
      transition: background-color 0.3s ease;
    }

    .page-86bet__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-86bet__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-86bet-text-color);
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-86bet__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-86bet-primary-color);
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-86bet__faq-item.active .page-86bet__faq-toggle {
      transform: rotate(45deg); /* Plus sign rotates to a cross */
    }

    .page-86bet__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      background-color: #f9f9f9;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: #555;
    }

    .page-86bet__faq-item.active .page-86bet__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-86bet__faq-answer p {
      margin-bottom: 10px;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-86bet__hero-section {
        padding-top: 10px; /* Adjust for mobile fixed header */
        padding-bottom: 40px;
      }

      .page-86bet__hero-title {
        font-size: 2.2em;
      }

      .page-86bet__hero-description {
        font-size: 1.1em;
      }

      .page-86bet__heading {
        font-size: 2em;
      }

      .page-86bet__sub-heading {
        font-size: 1.5em;
      }

      .page-86bet__section {
        padding: 25px 15px;
      }

      .page-86bet__button {
        padding: 12px 20px;
        font-size: 1em;
      }

      .page-86bet__floating-button {
        padding: 10px 18px;
        font-size: 0.9em;
        bottom: 15px;
      }

      .page-86bet__game-grid {
        grid-template-columns: 1fr;
      }

      .page-86bet__step-list,
      .page-86bet__feature-list {
        flex-direction: column;
        gap: 15px;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-86bet__step-item,
      .page-86bet__feature-item {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px !important;
        box-sizing: border-box !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-86bet__faq-question {
        padding: 15px 20px;
      }

      .page-86bet__faq-question h3 {
        font-size: 1.1em;
      }

      .page-86bet__faq-answer {
        padding: 0 20px;
      }

      .page-86bet__faq-item.active .page-86bet__faq-answer {
        padding: 15px 20px !important;
      }

      .page-86bet__image-full-width-wrapper {
        padding: 0 10px;
      }
      .page-86bet__image-full-width {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-86bet__hero-image-wrapper {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-86bet__hero-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-86bet__game-image-wrapper {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-86bet__game-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
    }