:root {
      --page-helo88__primary-color: #e44d26; /* Cam đỏ */
      --page-helo88__secondary-color: #333; /* Xám đậm */
      --page-helo88__accent-color: #f7b500; /* Vàng hổ phách */
      --page-helo88__text-light: #f8f8f8; /* Trắng ngà */
      --page-helo88__text-dark: #222; /* Đen nhạt */
      --page-helo88__background-dark: #1a1a1a; /* Nền tối */
      --page-helo88__background-light: #2c2c2c; /* Nền sáng hơn */
      --page-helo88__border-color: #444; /* Viền xám */
    }

    .page-helo88 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-helo88__text-light);
      background-color: var(--page-helo88__background-dark);
      margin: 0;
      padding: 0;
      overflow-x: hidden;
    }

    /* Fixed header spacing */
    .page-helo88__hero-section,
    .page-helo88__section:first-of-type {
      padding-top: 120px; /* Desktop fixed header height */
    }

    @media (max-width: 768px) {
      .page-helo88__hero-section,
      .page-helo88__section:first-of-type {
        padding-top: 100px; /* Mobile fixed header height */
      }
    }

    .page-helo88__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-helo88__hero-section {
      text-align: center;
      padding-bottom: 40px;
      background-color: var(--page-helo88__background-light);
      position: relative;
    }

    .page-helo88__hero-image {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      object-fit: cover;
      min-height: 250px; /* Ensure minimum size */
    }

    .page-helo88__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
    }

    .page-helo88__hero-title {
      font-size: 2.8em;
      color: var(--page-helo88__primary-color);
      margin-bottom: 15px;
      line-height: 1.2;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-helo88__hero-subtitle {
      font-size: 1.5em;
      color: var(--page-helo88__accent-color);
      margin-bottom: 30px;
    }

    .page-helo88__button {
      display: inline-block;
      background-color: var(--page-helo88__primary-color);
      color: var(--page-helo88__text-light);
      padding: 15px 30px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      border: none;
      cursor: pointer;
    }

    .page-helo88__button:hover {
      background-color: #ff6f42; /* Màu cam sáng hơn */
      transform: translateY(-2px);
    }

    .page-helo88__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: var(--page-helo88__accent-color);
      color: var(--page-helo88__text-dark);
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.05em;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      animation: page-helo88__pulse 1.5s infinite;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .page-helo88__floating-button:hover {
      background-color: #ffd700; /* Vàng đậm hơn */
    }

    @keyframes page-helo88__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    .page-helo88__section {
      padding: 60px 0;
      text-align: center;
      border-bottom: 1px solid var(--page-helo88__border-color);
    }

    .page-helo88__section:last-of-type {
      border-bottom: none;
    }

    .page-helo88__section-title {
      font-size: 2.2em;
      color: var(--page-helo88__accent-color);
      margin-bottom: 40px;
      position: relative;
      padding-bottom: 15px;
      display: inline-block;
    }

    .page-helo88__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-helo88__primary-color);
      border-radius: 2px;
    }

    .page-helo88__text-block {
      max-width: 800px;
      margin: 0 auto 40px auto;
      text-align: left;
      font-size: 1.1em;
      color: var(--page-helo88__text-light);
    }

    .page-helo88__text-block p {
      margin-bottom: 15px;
    }

    .page-helo88__game-grid,
    .page-helo88__provider-grid,
    .page-helo88__payment-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 25px;
      margin-top: 40px;
    }

    .page-helo88__game-card,
    .page-helo88__provider-item,
    .page-helo88__payment-item {
      background-color: var(--page-helo88__background-light);
      border-radius: 10px;
      padding: 20px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      color: var(--page-helo88__text-light);
      text-decoration: none;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 180px; /* Ensure cards have a minimum height */
    }

    .page-helo88__game-card:hover,
    .page-helo88__provider-item:hover,
    .page-helo88__payment-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    }

    .page-helo88__game-image,
    .page-helo88__provider-logo,
    .page-helo88__payment-logo {
      width: 100%;
      max-width: 150px; /* Max width for logos */
      height: auto;
      margin-bottom: 15px;
      object-fit: contain;
      border-radius: 5px;
      min-height: 80px; /* Ensure minimum size */
    }

    .page-helo88__game-title,
    .page-helo88__provider-name,
    .page-helo88__payment-name {
      font-size: 1.2em;
      font-weight: bold;
      color: var(--page-helo88__accent-color);
    }

    .page-helo88__promo-cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-helo88__promo-card {
      background-color: var(--page-helo88__background-light);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
      text-align: left;
      transition: transform 0.3s ease;
    }

    .page-helo88__promo-card:hover {
      transform: translateY(-7px);
    }

    .page-helo88__promo-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-helo88__promo-content {
      padding: 25px;
    }

    .page-helo88__promo-title {
      font-size: 1.4em;
      color: var(--page-helo88__primary-color);
      margin-bottom: 10px;
    }

    .page-helo88__promo-description {
      font-size: 0.95em;
      color: var(--page-helo88__text-light);
      margin-bottom: 20px;
    }

    .page-helo88__list {
      list-style: none;
      padding: 0;
      text-align: left;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-helo88__list-item {
      background-color: var(--page-helo88__background-light);
      margin-bottom: 15px;
      padding: 20px 25px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      display: flex;
      align-items: flex-start;
      gap: 15px;
      font-size: 1.1em;
      color: var(--page-helo88__text-light);
    }

    .page-helo88__list-icon {
      color: var(--page-helo88__primary-color);
      font-size: 1.5em;
      flex-shrink: 0;
      line-height: 1;
    }

    /* FAQ Styles */
    .page-helo88__faq-list {
      max-width: 900px;
      margin: 40px auto;
      text-align: left;
    }

    .page-helo88__faq-item {
      background-color: var(--page-helo88__background-light);
      border: 1px solid var(--page-helo88__border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    }

    .page-helo88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      user-select: none;
      background-color: var(--page-helo88__secondary-color);
      color: var(--page-helo88__text-light);
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-helo88__faq-question:hover {
      background-color: #444;
    }

    .page-helo88__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-helo88__text-light);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-helo88__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      color: var(--page-helo88__primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-helo88__faq-item.active .page-helo88__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' or '-' */
    }

    .page-helo88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      color: var(--page-helo88__text-light);
      background-color: var(--page-helo88__background-light);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      font-size: 1.05em;
    }

    .page-helo88__faq-item.active .page-helo88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 992px) {
      .page-helo88__hero-title {
        font-size: 2.2em;
      }
      .page-helo88__hero-subtitle {
        font-size: 1.3em;
      }
      .page-helo88__section-title {
        font-size: 2em;
      }
      .page-helo88__game-grid,
      .page-helo88__provider-grid,
      .page-helo88__payment-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
      }
      .page-helo88__promo-cards {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
      }
    }

    @media (max-width: 768px) {
      .page-helo88__container {
        padding: 15px;
      }
      .page-helo88__hero-title {
        font-size: 1.8em;
      }
      .page-helo88__hero-subtitle {
        font-size: 1.1em;
      }
      .page-helo88__button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-helo88__section {
        padding: 40px 0;
      }
      .page-helo88__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
      }
      .page-helo88__text-block {
        font-size: 1em;
      }
      .page-helo88__game-grid,
      .page-helo88__provider-grid,
      .page-helo88__payment-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 15px;
      }
      .page-helo88__game-card,
      .page-helo88__provider-item,
      .page-helo88__payment-item {
        padding: 15px;
        min-height: 150px;
      }
      .page-helo88__game-image,
      .page-helo88__provider-logo,
      .page-helo88__payment-logo {
        max-width: 120px;
        margin-bottom: 10px;
        min-height: 60px;
      }
      .page-helo88__game-title,
      .page-helo88__provider-name,
      .page-helo88__payment-name {
        font-size: 1.1em;
      }
      .page-helo88__promo-cards {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .page-helo88__promo-image {
        height: 180px;
      }
      .page-helo88__promo-content {
        padding: 20px;
      }
      .page-helo88__promo-title {
        font-size: 1.2em;
      }
      .page-helo88__list-item {
        padding: 15px 20px;
        font-size: 1em;
      }
      .page-helo88__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
      }
      .page-helo88__faq-question h3 {
        font-size: 1.1em;
      }
      .page-helo88__faq-answer {
        padding: 15px 20px;
        font-size: 0.95em;
      }
      .page-helo88__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 10px 20px;
        font-size: 0.95em;
      }
    }

    /* All image responsive optimization */
    .page-helo88 img {
      max-width: 100%;
      height: auto;
      display: block; /* To remove extra space below image */
      object-fit: contain; /* Default object-fit, can be overridden */
    }
    .page-helo88__image-wrapper { /* Optional wrapper for more control */
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    @media (max-width: 768px) {
      .page-helo88 img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-helo88__image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }