:root {
      --page-qq88-primary-color: #e44d26; /* Cam đỏ */
      --page-qq88-secondary-color: #333; /* Đen xám */
      --page-qq88-accent-color: #f7b731; /* Vàng cam */
      --page-qq88-text-color: #f0f0f0; /* Trắng xám */
      --page-qq88-bg-dark: #1a1a1a; /* Nền tối */
      --page-qq88-bg-light: #2c2c2c; /* Nền sáng hơn */
      --page-qq88-border-color: #444; /* Viền */
    }

    .page-qq88 {
      font-family: 'Arial', sans-serif;
      color: var(--page-qq88-text-color);
      background-color: var(--page-qq88-bg-dark);
      line-height: 1.6;
      overflow-x: hidden;
    }

    .page-qq88__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-qq88-bg-light);
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-qq88__section:first-of-type {
      margin-top: 120px; /* Padding for fixed header */
    }

    @media (max-width: 768px) {
      .page-qq88__section:first-of-type {
        margin-top: 100px; /* Adjust for mobile fixed header */
      }
      .page-qq88__section {
        padding: 25px 15px;
        margin-bottom: 15px;
      }
    }

    .page-qq88__hero-section {
      text-align: center;
      padding: 40px 20px 20px;
      background: linear-gradient(135deg, var(--page-qq88-bg-dark), #0a0a0a);
      border-radius: 0;
      box-shadow: none;
      margin-bottom: 0;
      margin-top: 120px; /* Ensure content is below fixed header */
    }

    @media (max-width: 768px) {
      .page-qq88__hero-section {
        margin-top: 100px; /* Adjust for mobile fixed header */
        padding: 30px 15px 15px;
      }
    }

    .page-qq88__hero-image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 20px;
    }

    .page-qq88__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    }

    @media (max-width: 768px) {
      .page-qq88__hero-image {
        max-width: 100% !important;
        height: auto !important;
      }
    }

    .page-qq88__main-title {
      font-size: 2.8em;
      color: var(--page-qq88-accent-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-qq88__hero-subtitle {
      font-size: 1.3em;
      color: var(--page-qq88-text-color);
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-qq88__btn {
      display: inline-block;
      background-color: var(--page-qq88-primary-color);
      color: #fff;
      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;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
      border: none;
      cursor: pointer;
    }

    .page-qq88__btn:hover {
      background-color: #ff6a40;
      transform: translateY(-2px);
    }

    .page-qq88__floating-login-btn {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-qq88-accent-color);
      color: var(--page-qq88-bg-dark);
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.05em;
      z-index: 1000;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
      transition: background-color 0.3s ease, transform 0.2s ease;
      animation: pulse 2s infinite;
    }

    .page-qq88__floating-login-btn:hover {
      background-color: #ffd27a;
      transform: scale(1.05);
    }

    @keyframes pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.03); }
      100% { transform: scale(1); }
    }

    @media (max-width: 768px) {
      .page-qq88__main-title {
        font-size: 2em;
      }
      .page-qq88__hero-subtitle {
        font-size: 1em;
      }
      .page-qq88__btn {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-qq88__floating-login-btn {
        bottom: 15px;
        right: 15px;
        padding: 10px 20px;
        font-size: 0.95em;
      }
    }

    .page-qq88__section-title {
      font-size: 2.2em;
      color: var(--page-qq88-primary-color);
      text-align: center;
      margin-bottom: 30px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
    }

    .page-qq88__text-content {
      font-size: 1.1em;
      margin-bottom: 20px;
      text-align: justify;
    }

    .page-qq88__game-categories-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-qq88__game-card {
      background-color: var(--page-qq88-bg-dark);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
      border: 1px solid var(--page-qq88-border-color);
    }

    .page-qq88__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
    }

    .page-qq88__game-card-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Fixed height for consistency */
    }

    .page-qq88__game-card-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .page-qq88__game-card:hover .page-qq88__game-card-image {
      transform: scale(1.05);
    }

    @media (max-width: 768px) {
      .page-qq88__game-card-image {
        max-width: 100% !important;
        height: auto !important;
      }
    }

    .page-qq88__game-card-title {
      font-size: 1.5em;
      color: var(--page-qq88-accent-color);
      margin: 20px 15px 10px;
      height: 3em; /* Fixed height for titles */
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .page-qq88__game-card-title a {
      color: var(--page-qq88-accent-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-qq88__game-card-title a:hover {
      color: #ffd27a;
    }

    .page-qq88__game-card-description {
      font-size: 0.95em;
      color: #ccc;
      padding: 0 15px;
      margin-bottom: 15px;
      min-height: 4em;
    }

    .page-qq88__list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-qq88__list-item {
      background-color: var(--page-qq88-bg-dark);
      border: 1px solid var(--page-qq88-border-color);
      padding: 15px 20px;
      margin-bottom: 10px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-qq88__list-item::before {
      content: "✅";
      margin-right: 10px;
      font-size: 1.2em;
    }

    .page-qq88__providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-qq88__provider-logo-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 100px; /* Fixed height for logos */
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: #0d0d0d;
      border-radius: 8px;
      border: 1px solid var(--page-qq88-border-color);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-qq88__provider-logo-wrapper:hover {
      transform: translateY(-5px) scale(1.05);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .page-qq88__provider-logo {
      max-width: 90%;
      max-height: 80%;
      object-fit: contain;
      display: block;
    }

    @media (max-width: 768px) {
      .page-qq88__providers-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .page-qq88__provider-logo {
        max-width: 100% !important;
        height: auto !important;
      }
    }

    .page-qq88__payment-methods-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      gap: 15px;
      margin-top: 30px;
      justify-items: center;
    }

    .page-qq88__payment-method-item {
      width: 100px;
      height: 60px;
      background-color: #0d0d0d;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--page-qq88-border-color);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
    }

    .page-qq88__payment-method-item:hover {
      transform: scale(1.1);
    }

    .page-qq88__payment-method-logo {
      max-width: 80%;
      max-height: 80%;
      object-fit: contain;
    }

    @media (max-width: 768px) {
      .page-qq88__payment-method-logo {
        max-width: 100% !important;
        height: auto !important;
      }
    }

    .page-qq88__faq-item {
      background-color: var(--page-qq88-bg-dark);
      margin-bottom: 10px;
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid var(--page-qq88-border-color);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-qq88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      background-color: var(--page-qq88-bg-light);
      cursor: pointer;
      user-select: none;
      font-size: 1.2em;
      font-weight: bold;
      color: var(--page-qq88-text-color);
      transition: background-color 0.3s ease;
      border-bottom: 1px solid var(--page-qq88-border-color);
    }

    .page-qq88__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-qq88__faq-question h3 {
      margin: 0;
      color: var(--page-qq88-text-color);
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-qq88__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      transition: transform 0.3s ease;
      color: var(--page-qq88-accent-color);
      pointer-events: none; /* Prevent toggle icon from blocking click */
    }

    .page-qq88__faq-item.active .page-qq88__faq-toggle {
      transform: rotate(45deg);
    }

    .page-qq88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      background-color: var(--page-qq88-bg-dark);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: #ccc;
      font-size: 1em;
    }

    .page-qq88__faq-item.active .page-qq88__faq-answer {
      max-height: 2000px !important; /* Use !important as required */
      padding: 20px 20px !important; /* Use !important as required */
      opacity: 1;
    }

    @media (max-width: 768px) {
      .page-qq88__section-title {
        font-size: 1.8em;
      }
      .page-qq88__text-content {
        font-size: 1em;
      }
      .page-qq88__faq-question {
        font-size: 1.1em;
        padding: 15px;
      }
      .page-qq88__faq-toggle {
        font-size: 1.5em;
      }
      .page-qq88__faq-answer {
        font-size: 0.95em;
        padding: 0 15px;
      }
      .page-qq88__faq-item.active .page-qq88__faq-answer {
        padding: 15px 15px !important;
      }
    }