:root {
      --page-hello88vina__primary-color: #e44d26; /* Cam */
      --page-hello88vina__secondary-color: #f7931e; /* Cam nhạt */
      --page-hello88vina__dark-bg: #1a1a1a;
      --page-hello88vina__light-bg: #f9f9f9;
      --page-hello88vina__text-color: #333333;
      --page-hello88vina__white-text: #ffffff;
      --page-hello88vina__border-color: #e0e0e0;
      --page-hello88vina__shadow: rgba(0, 0, 0, 0.1);
      --page-hello88vina__gradient: linear-gradient(90deg, #e44d26, #f7931e);
    }

    .page-hello88vina {
      font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
      line-height: 1.6;
      color: var(--page-hello88vina__text-color);
      background-color: var(--page-hello88vina__light-bg);
      padding: 0;
      margin: 0;
      overflow-x: hidden;
    }

    .page-hello88vina__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-hello88vina__section {
      padding: 40px 20px;
      margin-bottom: 30px;
      background-color: var(--page-hello88vina__white-text);
      border-radius: 8px;
      box-shadow: 0 4px 12px var(--page-hello88vina__shadow);
      box-sizing: border-box;
    }

    .page-hello88vina__section--dark {
      background-color: var(--page-hello88vina__dark-bg);
      color: var(--page-hello88vina__white-text);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }

    .page-hello88vina__section-title {
      font-size: 2.5em;
      color: var(--page-hello88vina__primary-color);
      text-align: center;
      margin-bottom: 30px;
      font-weight: 700;
      line-height: 1.2;
    }

    .page-hello88vina__section--dark .page-hello88vina__section-title {
      color: var(--page-hello88vina__secondary-color);
    }

    .page-hello88vina__text-center {
      text-align: center;
    }

    .page-hello88vina__button {
      display: inline-block;
      padding: 15px 30px;
      background: var(--page-hello88vina__gradient);
      color: var(--page-hello88vina__white-text);
      border: none;
      border-radius: 30px;
      font-size: 1.1em;
      font-weight: 700;
      text-decoration: none;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      text-align: center;
    }

    .page-hello88vina__button:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
      opacity: 0.9;
    }

    /* Hero Section */
    .page-hello88vina__hero-section {
      position: relative;
      width: 100%;
      min-height: 500px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: var(--page-hello88vina__white-text);
      overflow: hidden;
      padding-top: 10px; /* Required for fixed header */
      box-sizing: border-box;
    }

    .page-hello88vina__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -1;
      filter: brightness(0.6); /* Slightly darken image for text readability */
      max-width: 100%;
      height: auto;
    }

    .page-hello88vina__hero-content {
      position: relative;
      z-index: 1;
      max-width: 90%;
      padding: 20px;
      background-color: rgba(0, 0, 0, 0.4);
      border-radius: 10px;
    }

    .page-hello88vina__hero-title {
      font-size: 3em;
      margin-bottom: 15px;
      line-height: 1.2;
      font-weight: 900;
      color: var(--page-hello88vina__white-text);
    }

    .page-hello88vina__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: 30px;
      font-weight: 300;
    }

    /* Floating Login Button */
    .page-hello88vina__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background: var(--page-hello88vina__gradient);
      color: var(--page-hello88vina__white-text);
      padding: 15px 25px;
      border-radius: 30px;
      font-size: 1.1em;
      font-weight: 700;
      text-align: center;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      animation: page-hello88vina__pulse 2s infinite;
      text-decoration: none; /* Ensure it looks like a button */
    }

    .page-hello88vina__floating-button:hover {
      transform: scale(1.05);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    }

    @keyframes page-hello88vina__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.02); }
      100% { transform: scale(1); }
    }

    /* Game Categories */
    .page-hello88vina__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-hello88vina__game-card {
      background-color: var(--page-hello88vina__white-text);
      border-radius: 10px;
      box-shadow: 0 4px 10px var(--page-hello88vina__shadow);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--page-hello88vina__border-color);
      box-sizing: border-box;
    }

    .page-hello88vina__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
    }

    .page-hello88vina__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-bottom: 1px solid var(--page-hello88vina__border-color);
      max-width: 100%;
      height: auto;
    }

    .page-hello88vina__game-card-content {
      padding: 20px;
    }

    .page-hello88vina__game-card-title {
      font-size: 1.5em;
      color: var(--page-hello88vina__primary-color);
      margin-bottom: 10px;
      font-weight: 700;
    }

    .page-hello88vina__game-card-description {
      font-size: 0.95em;
      color: var(--page-hello88vina__text-color);
    }

    /* Benefits List */
    .page-hello88vina__benefits-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }

    .page-hello88vina__benefit-item {
      background-color: var(--page-hello88vina__white-text);
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 8px var(--page-hello88vina__shadow);
      display: flex;
      align-items: flex-start;
      gap: 15px;
      border-left: 5px solid var(--page-hello88vina__primary-color);
      box-sizing: border-box;
    }

    .page-hello88vina__benefit-icon {
      font-size: 2em;
      color: var(--page-hello88vina__primary-color);
      line-height: 1;
    }

    .page-hello88vina__benefit-content h3 {
      margin-top: 0;
      font-size: 1.3em;
      color: var(--page-hello88vina__primary-color);
      margin-bottom: 5px;
    }

    .page-hello88vina__benefit-content p {
      margin-bottom: 0;
      font-size: 0.95em;
    }

    /* FAQ Section */
    .page-hello88vina__faq-list {
      margin-top: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      padding: 0; /* Important for mobile */
    }

    .page-hello88vina__faq-item {
      background-color: var(--page-hello88vina__white-text);
      border: 1px solid var(--page-hello88vina__border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px var(--page-hello88vina__shadow);
      box-sizing: border-box;
      width: 100%; /* Ensure full width on mobile */
    }

    .page-hello88vina__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: #f0f0f0;
      color: var(--page-hello88vina__text-color);
      font-weight: 600;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-hello88vina__faq-question:hover {
      background-color: #e0e0e0;
    }

    .page-hello88vina__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-hello88vina__primary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-hello88vina__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      font-weight: 700;
      color: var(--page-hello88vina__primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-hello88vina__faq-item.active .page-hello88vina__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-hello88vina__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      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-hello88vina__text-color);
      font-size: 0.95em;
    }

    .page-hello88vina__faq-item.active .page-hello88vina__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to show content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* General responsive adjustments */
    @media (max-width: 768px) {
      .page-hello88vina__container {
        padding: 15px;
      }

      .page-hello88vina__section {
        padding: 30px 15px;
        margin-bottom: 20px;
      }

      .page-hello88vina__section-title {
        font-size: 2em;
        margin-bottom: 20px;
      }

      .page-hello88vina__hero-title {
        font-size: 2em;
      }

      .page-hello88vina__hero-subtitle {
        font-size: 1.2em;
      }

      .page-hello88vina__button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-hello88vina__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }

      .page-hello88vina__game-grid {
        grid-template-columns: 1fr; /* Single column on mobile */
        gap: 20px;
      }

      .page-hello88vina__game-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-hello88vina__game-card-image {
        max-width: 100% !important;
        height: auto !important;
      }

      .page-hello88vina__benefits-list {
        grid-template-columns: 1fr; /* Single column on mobile */
        gap: 15px;
      }

      .page-hello88vina__benefit-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 20px;
      }
      
      .page-hello88vina__faq-list {
        padding: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-hello88vina__faq-item {
        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;
      }
      .page-hello88vina__faq-question {
        font-size: 1em;
        padding: 12px 15px;
      }
      .page-hello88vina__faq-question h3 {
        font-size: 1em;
      }
      .page-hello88vina__faq-answer {
        font-size: 0.9em;
        padding: 0 10px;
      }
      .page-hello88vina__faq-item.active .page-hello88vina__faq-answer {
        padding: 15px 10px !important;
      }
    }

    @media (max-width: 480px) {
      .page-hello88vina__hero-title {
        font-size: 1.8em;
      }
      .page-hello88vina__hero-subtitle {
        font-size: 1em;
      }
      .page-hello88vina__floating-button {
        left: 50%;
        transform: translateX(-50%);
        right: auto;
        bottom: 10px;
        width: calc(100% - 40px);
        max-width: 300px;
      }
      @keyframes page-hello88vina__pulse {
        0% { transform: translateX(-50%) scale(1); }
        50% { transform: translateX(-50%) scale(1.02); }
        100% { transform: translateX(-50%) scale(1); }
      }
    }

    /* Image responsive default for all images */
    .page-hello88vina img {
        max-width: 100%;
        height: auto;
        display: block; /* Remove extra space below images */
    }