:root {
      --primary-color: #007bff; /* Blue */
      --secondary-color: #6c757d; /* Grey */
      --accent-color: #ffc107; /* Yellow */
      --background-dark: #1a1a2e; /* Dark background */
      --background-light: #2c2c4d; /* Slightly lighter dark */
      --text-light: #f8f9fa; /* Light text */
      --text-dark: #343a40; /* Dark text */
      --border-color: #444;
      --button-bg-register: #28a745; /* Green for Register */
      --button-bg-login: #007bff; /* Blue for Login */
      --button-hover-register: #218838;
      --button-hover-login: #0056b3;
    }

    .page-hn88-com {
      font-family: 'Arial', sans-serif;
      color: var(--text-light);
      background-color: var(--background-dark);
      line-height: 1.6;
      padding-top: 10px; /* Nhỏ để trang trí, dựa vào padding-top của body cho khoảng cách header */
    }

    .page-hn88-com__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    /* Hero Section */
    .page-hn88-com__hero-section {
      text-align: center;
      padding: 60px 0;
      background-color: var(--background-light);
      position: relative;
      overflow: hidden;
      border-radius: 10px;
      margin-bottom: 30px;
    }

    .page-hn88-com__hero-image {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto 20px;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    }
    
    .page-hn88-com__hero-section h1 {
      font-size: 2.8em;
      margin-bottom: 20px;
      color: var(--accent-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-hn88-com__hero-section p {
      font-size: 1.2em;
      color: var(--text-light);
      max-width: 800px;
      margin: 0 auto 30px;
    }

    /* Floating Buttons */
    .page-hn88-com__floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
      background-color: rgba(44, 44, 77, 0.9);
      padding: 10px 20px;
      border-radius: 50px;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    }

    .page-hn88-com__floating-button {
      padding: 12px 25px;
      border: none;
      border-radius: 30px;
      font-size: 1.1em;
      font-weight: bold;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      color: var(--text-light);
      text-decoration: none;
      display: inline-block;
      text-align: center;
      min-width: 120px;
    }

    .page-hn88-com__floating-button--register {
      background-color: var(--button-bg-register);
    }

    .page-hn88-com__floating-button--register:hover {
      background-color: var(--button-hover-register);
      transform: translateY(-2px);
    }

    .page-hn88-com__floating-button--login {
      background-color: var(--button-bg-login);
    }

    .page-hn88-com__floating-button--login:hover {
      background-color: var(--button-hover-login);
      transform: translateY(-2px);
    }

    /* Section Styling */
    .page-hn88-com__section {
      padding: 50px 0;
      margin-bottom: 30px;
      background-color: var(--background-light);
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    }

    .page-hn88-com__section--dark {
      background-color: var(--background-dark);
    }

    .page-hn88-com__section-title {
      font-size: 2.2em;
      color: var(--primary-color);
      text-align: center;
      margin-bottom: 40px;
      position: relative;
      padding-bottom: 15px;
    }

    .page-hn88-com__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--accent-color);
      border-radius: 2px;
    }

    /* Game Categories / Product Display */
    .page-hn88-com__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-hn88-com__game-card {
      background-color: var(--background-dark);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      display: flex;
      flex-direction: column;
      box-sizing: border-box; /* Bắt buộc cho responsive */
    }

    .page-hn88-com__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
    }

    .page-hn88-com__game-card-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-hn88-com__game-card-image {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .page-hn88-com__game-card:hover .page-hn88-com__game-card-image {
      transform: scale(1.05);
    }

    .page-hn88-com__game-card-content {
      padding: 20px;
      flex-grow: 1;
    }

    .page-hn88-com__game-card-title {
      font-size: 1.5em;
      color: var(--accent-color);
      margin-bottom: 10px;
    }

    .page-hn88-com__game-card-description {
      font-size: 0.95em;
      color: var(--text-light);
      margin-bottom: 20px;
    }

    .page-hn88-com__game-card-button {
      background-color: var(--primary-color);
      color: var(--text-light);
      padding: 10px 20px;
      border-radius: 25px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      display: inline-block;
      border: none;
      cursor: pointer;
    }

    .page-hn88-com__game-card-button:hover {
      background-color: var(--button-hover-login);
    }

    /* Promotions Section */
    .page-hn88-com__promo-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
    }

    .page-hn88-com__promo-item {
      background-color: var(--background-dark);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      overflow: hidden;
      transition: transform 0.3s ease;
      box-sizing: border-box; /* Bắt buộc cho responsive */
    }

    .page-hn88-com__promo-item:hover {
      transform: translateY(-5px);
    }

    .page-hn88-com__promo-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-hn88-com__promo-image {
      width: 100%;
      height: 220px;
      object-fit: cover;
      display: block;
    }

    .page-hn88-com__promo-content {
      padding: 20px;
    }

    .page-hn88-com__promo-title {
      font-size: 1.6em;
      color: var(--accent-color);
      margin-bottom: 10px;
    }

    .page-hn88-com__promo-description {
      font-size: 1em;
      color: var(--text-light);
      margin-bottom: 15px;
    }

    .page-hn88-com__promo-button {
      background-color: var(--button-bg-register);
      color: var(--text-light);
      padding: 10px 20px;
      border-radius: 25px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      display: inline-block;
      border: none;
      cursor: pointer;
    }

    .page-hn88-com__promo-button:hover {
      background-color: var(--button-hover-register);
    }

    /* News Section */
    .page-hn88-com__news-list {
      display: grid;
      grid-template-columns: 1fr;
      gap: 25px;
    }

    .page-hn88-com__news-item {
      background-color: var(--background-dark);
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      box-sizing: border-box; /* Bắt buộc cho responsive */
    }

    .page-hn88-com__news-item:hover {
      transform: translateY(-3px);
    }

    .page-hn88-com__news-date {
      font-size: 0.9em;
      color: var(--secondary-color);
      margin-bottom: 10px;
    }

    .page-hn88-com__news-title {
      font-size: 1.4em;
      color: var(--primary-color);
      margin-bottom: 10px;
    }

    .page-hn88-com__news-summary {
      font-size: 1em;
      color: var(--text-light);
    }

    /* About Section */
    .page-hn88-com__about-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-hn88-com__about-content p {
      margin-bottom: 20px;
      font-size: 1.1em;
      color: var(--text-light);
    }

    .page-hn88-com__about-features {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-hn88-com__feature-item {
      background-color: var(--background-dark);
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
      text-align: left;
      box-sizing: border-box; /* Bắt buộc cho responsive */
    }

    .page-hn88-com__feature-item h3 {
      font-size: 1.3em;
      color: var(--accent-color);
      margin-bottom: 10px;
    }

    .page-hn88-com__feature-item p {
      font-size: 0.95em;
      color: var(--text-light);
      margin-bottom: 0;
    }

    /* FAQ Section */
    .page-hn88-com__faq-list {
      max-width: 800px;
      margin: 0 auto;
    }

    .page-hn88-com__faq-item {
      background-color: var(--background-dark);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      box-sizing: border-box; /* Bắt buộc cho responsive */
    }

    .page-hn88-com__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: var(--background-light);
      cursor: pointer;
      user-select: none;
      border-bottom: 1px solid var(--border-color);
      transition: background-color 0.3s ease;
    }

    .page-hn88-com__faq-question:hover {
      background-color: #3a3a5e;
    }

    .page-hn88-com__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--primary-color);
      flex-grow: 1;
      pointer-events: none; /* Ngăn h3 chặn sự kiện click trên div cha */
    }

    .page-hn88-com__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--accent-color);
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn toggle chặn sự kiện click trên div cha */
    }

    .page-hn88-com__faq-item.active .page-hn88-com__faq-toggle {
      transform: rotate(45deg); /* Thay đổi + thành X hoặc - */
    }

    .page-hn88-com__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      background-color: var(--background-dark);
      color: var(--text-light);
    }

    .page-hn88-com__faq-item.active .page-hn88-com__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa nội dung */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-hn88-com__faq-answer p {
      margin: 0;
      font-size: 0.95em;
    }

    /* Responsive Design */
    @media (max-width: 992px) {
      .page-hn88-com__hero-section h1 {
        font-size: 2.2em;
      }
      .page-hn88-com__section-title {
        font-size: 1.8em;
      }
      .page-hn88-com__game-card-title,
      .page-hn88-com__promo-title {
        font-size: 1.3em;
      }
    }

    @media (max-width: 768px) {
      .page-hn88-com__container {
        padding: 0 10px;
      }
      .page-hn88-com__hero-section {
        padding: 40px 0;
      }
      .page-hn88-com__hero-section h1 {
        font-size: 1.8em;
      }
      .page-hn88-com__hero-section p {
        font-size: 1em;
      }
      .page-hn88-com__section {
        padding: 30px 0;
      }
      .page-hn88-com__section-title {
        font-size: 1.6em;
        margin-bottom: 30px;
      }

      /* Floating buttons */
      .page-hn88-com__floating-buttons {
        gap: 10px;
        bottom: 15px;
        padding: 8px 15px;
      }
      .page-hn88-com__floating-button {
        padding: 10px 20px;
        font-size: 1em;
        min-width: 100px;
      }

      /* Game grid / Promo list */
      .page-hn88-com__game-grid,
      .page-hn88-com__promo-list,
      .page-hn88-com__about-features {
        grid-template-columns: 1fr; /* Xếp chồng các cột */
        gap: 20px;
      }

      /* List item responsive styles */
      .page-hn88-com__game-card,
      .page-hn88-com__promo-item,
      .page-hn88-com__news-item,
      .page-hn88-com__feature-item,
      .page-hn88-com__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-hn88-com__game-card-description,
      .page-hn88-com__promo-description,
      .page-hn88-com__news-summary,
      .page-hn88-com__feature-item p,
      .page-hn88-com__faq-answer p {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-hn88-com__game-card-image-wrapper,
      .page-hn88-com__promo-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
      
      .page-hn88-com__game-card-image,
      .page-hn88-com__promo-image {
        max-width: 100% !important;
        height: auto !important;
        display: block !important;
      }

      .page-hn88-com__faq-question {
        padding: 15px 20px;
      }
      .page-hn88-com__faq-question h3 {
        font-size: 1.1em;
      }
      .page-hn88-com__faq-toggle {
        font-size: 1.5em;
      }
      .page-hn88-com__faq-answer {
        padding: 0 20px;
      }
      .page-hn88-com__faq-item.active .page-hn88-com__faq-answer {
        padding: 15px 20px !important;
      }
    }

    @media (max-width: 480px) {
      .page-hn88-com__hero-section h1 {
        font-size: 1.6em;
      }
      .page-hn88-com__floating-buttons {
        width: calc(100% - 30px);
        flex-wrap: wrap;
        justify-content: center;
        bottom: 10px;
      }
      .page-hn88-com__floating-button {
        flex-grow: 1;
        min-width: unset;
      }
      .page-hn88-com__section-title {
        font-size: 1.4em;
      }
    }