
    :root {
      --page-51-live-co__primary-color: #e44d26; /* Cam đỏ */
      --page-51-live-co__secondary-color: #f7931e; /* Cam */
      --page-51-live-co__accent-color: #00bcd4; /* Xanh ngọc */
      --page-51-live-co__dark-bg: #1a1a1a; /* Nền tối */
      --page-51-live-co__light-text: #f0f0f0; /* Chữ sáng */
      --page-51-live-co__gray-text: #cccccc; /* Chữ xám */
      --page-51-live-co__card-bg: #2a2a2a; /* Nền thẻ */
      --page-51-live-co__border-color: #444; /* Màu viền */
      --page-51-live-co__button-hover-bg: #c93b1d;
    }

    .page-51-live-co {
      font-family: 'Arial', sans-serif;
      color: var(--page-51-live-co__light-text);
      background-color: var(--page-51-live-co__dark-bg);
      line-height: 1.6;
      overflow-x: hidden;
    }

    .page-51-live-co__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-51-live-co__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      border-radius: 8px;
      background-color: var(--page-51-live-co__dark-bg);
      text-align: center;
    }

    .page-51-live-co__section-title {
      font-size: 2.5em;
      color: var(--page-51-live-co__primary-color);
      margin-bottom: 30px;
      text-align: center;
      font-weight: bold;
      line-height: 1.2;
    }

    .page-51-live-co__section-subtitle {
      font-size: 1.2em;
      color: var(--page-51-live-co__gray-text);
      margin-bottom: 40px;
    }

    /* Hero Section */
    .page-51-live-co__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('[GALLERY:hero:1920x1080:gaming,vietnam,platform,51live]') center center no-repeat;
      background-size: cover;
      color: var(--page-51-live-co__light-text);
      padding: 10px 20px 80px; /* 10px padding-top for shared header offset */
      text-align: center;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 60vh;
      box-sizing: border-box;
    }

    .page-51-live-co__hero-title {
      font-size: 3em;
      margin-bottom: 20px;
      color: var(--page-51-live-co__primary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      font-weight: bold;
    }

    .page-51-live-co__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: 40px;
      max-width: 800px;
      color: var(--page-51-live-co__light-text);
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-51-live-co__hero-buttons {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
      justify-content: center;
    }

    .page-51-live-co__button {
      background-color: var(--page-51-live-co__primary-color);
      color: var(--page-51-live-co__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 0.3s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-51-live-co__button:hover {
      background-color: var(--page-51-live-co__button-hover-bg);
      transform: translateY(-3px);
    }

    .page-51-live-co__button--secondary {
      background-color: transparent;
      border: 2px solid var(--page-51-live-co__secondary-color);
      color: var(--page-51-live-co__secondary-color);
    }

    .page-51-live-co__button--secondary:hover {
      background-color: var(--page-51-live-co__secondary-color);
      color: var(--page-51-live-co__dark-bg);
    }

    /* Floating Buttons */
    .page-51-live-co__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-51-live-co__floating-button {
      background-color: var(--page-51-live-co__primary-color);
      color: var(--page-51-live-co__light-text);
      padding: 12px 20px;
      border-radius: 30px;
      font-weight: bold;
      font-size: 1em;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
      transition: background-color 0.3s ease, transform 0.3s ease;
      cursor: pointer;
    }

    .page-51-live-co__floating-button:hover {
      background-color: var(--page-51-live-co__button-hover-bg);
      transform: translateY(-2px);
    }

    /* About Section */
    .page-51-live-co__about-section {
      background-color: var(--page-51-live-co__card-bg);
      text-align: left;
    }

    .page-51-live-co__about-text {
      font-size: 1.1em;
      color: var(--page-51-live-co__gray-text);
      max-width: 900px;
      margin: 0 auto 20px;
    }

    /* Products Section */
    .page-51-live-co__products-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      padding: 0 20px;
    }

    .page-51-live-co__product-card {
      background-color: var(--page-51-live-co__card-bg);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      padding-bottom: 20px;
      border: 1px solid var(--page-51-live-co__border-color);
    }

    .page-51-live-co__product-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    }

    .page-51-live-co__product-image-wrapper {
      width: 100%;
      height: 200px;
      overflow: hidden;
      margin-bottom: 15px;
    }

    .page-51-live-co__product-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .page-51-live-co__product-card:hover .page-51-live-co__product-image {
      transform: scale(1.05);
    }

    .page-51-live-co__product-title {
      font-size: 1.6em;
      color: var(--page-51-live-co__secondary-color);
      margin-bottom: 10px;
      padding: 0 15px;
    }

    .page-51-live-co__product-description {
      font-size: 0.95em;
      color: var(--page-51-live-co__gray-text);
      padding: 0 15px;
      margin-bottom: 20px;
    }

    /* Promotions Section */
    .page-51-live-co__promotions-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      padding: 0 20px;
    }

    .page-51-live-co__promo-card {
      background-color: var(--page-51-live-co__card-bg);
      border-radius: 10px;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
      padding: 25px;
      text-align: left;
      border: 1px solid var(--page-51-live-co__border-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-51-live-co__promo-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    }

    .page-51-live-co__promo-title {
      font-size: 1.5em;
      color: var(--page-51-live-co__primary-color);
      margin-bottom: 15px;
      font-weight: bold;
    }

    .page-51-live-co__promo-description {
      font-size: 1em;
      color: var(--page-51-live-co__gray-text);
      margin-bottom: 20px;
    }

    .page-51-live-co__promo-link {
      color: var(--page-51-live-co__accent-color);
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .page-51-live-co__promo-link:hover {
      color: var(--page-51-live-co__primary-color);
    }

    /* Why Choose Us Section */
    .page-51-live-co__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      padding: 0 20px;
    }

    .page-51-live-co__feature-item {
      background-color: var(--page-51-live-co__card-bg);
      border-radius: 10px;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
      padding: 30px;
      text-align: center;
      border: 1px solid var(--page-51-live-co__border-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-51-live-co__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    }

    .page-51-live-co__feature-icon {
      width: 100px; /* Min size 200x200, so this is just a placeholder for the visual size */
      height: 100px;
      margin-bottom: 20px;
      display: block;
      margin-left: auto;
      margin-right: auto;
      object-fit: contain;
    }

    .page-51-live-co__feature-title {
      font-size: 1.4em;
      color: var(--page-51-live-co__secondary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-51-live-co__feature-description {
      font-size: 0.95em;
      color: var(--page-51-live-co__gray-text);
    }

    /* Payment Methods & Game Providers Sections */
    .page-51-live-co__logo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      padding: 0 20px;
      justify-items: center;
      align-items: center;
    }

    .page-51-live-co__logo-item {
      background-color: var(--page-51-live-co__card-bg);
      border-radius: 8px;
      padding: 15px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100px;
      border: 1px solid var(--page-51-live-co__border-color);
      transition: transform 0.3s ease;
      width: 100%;
      max-width: 200px;
      box-sizing: border-box;
    }
    
    .page-51-live-co__logo-item:hover {
        transform: translateY(-3px);
    }

    .page-51-live-co__logo-image {
      max-width: 100%;
      max-height: 80px;
      object-fit: contain;
      display: block;
    }

    /* FAQ Section */
    .page-51-live-co__faq-section {
      text-align: left;
    }

    .page-51-live-co__faq-item {
      background-color: var(--page-51-live-co__card-bg);
      border: 1px solid var(--page-51-live-co__border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-51-live-co__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: #333;
      color: var(--page-51-live-co__light-text);
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-51-live-co__faq-question:hover {
      background-color: #444;
    }
    
    .page-51-live-co__faq-question h3 {
        margin: 0;
        font-size: 1.2em;
        color: var(--page-51-live-co__light-text);
        pointer-events: none; /* Prevent h3 from blocking click on parent */
    }

    .page-51-live-co__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      color: var(--page-51-live-co__primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click on parent */
    }

    .page-51-live-co__faq-item.active .page-51-live-co__faq-toggle {
      transform: rotate(45deg);
      color: var(--page-51-live-co__accent-color);
    }

    .page-51-live-co__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;
      color: var(--page-51-live-co__gray-text);
      font-size: 1em;
      line-height: 1.8;
    }

    .page-51-live-co__faq-item.active .page-51-live-co__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to accommodate content */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Join Us Section */
    .page-51-live-co__join-us-section {
        background-color: var(--page-51-live-co__primary-color);
        color: var(--page-51-live-co__light-text);
        padding: 60px 20px;
        border-radius: 8px;
        margin-top: 40px;
    }

    .page-51-live-co__join-us-title {
        font-size: 2.2em;
        margin-bottom: 25px;
        font-weight: bold;
    }

    .page-51-live-co__join-us-button {
        background-color: var(--page-51-live-co__light-text);
        color: var(--page-51-live-co__primary-color);
        padding: 15px 40px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: bold;
        font-size: 1.2em;
        transition: background-color 0.3s ease, transform 0.3s ease;
        border: none;
        cursor: pointer;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-51-live-co__join-us-button:hover {
        background-color: #eee;
        transform: translateY(-3px);
    }

    /* Social Media Section */
    .page-51-live-co__social-media {
        padding-bottom: 60px;
    }

    .page-51-live-co__social-list {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }

    .page-51-live-co__social-item {
        margin: 0;
    }

    .page-51-live-co__social-link {
        color: var(--page-51-live-co__accent-color);
        text-decoration: none;
        font-size: 1.1em;
        font-weight: bold;
        transition: color 0.3s ease;
        padding: 10px 15px;
        border: 1px solid var(--page-51-live-co__accent-color);
        border-radius: 5px;
        display: inline-block;
    }

    .page-51-live-co__social-link:hover {
        color: var(--page-51-live-co__light-text);
        background-color: var(--page-51-live-co__accent-color);
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-51-live-co__hero-title {
        font-size: 2.2em;
      }

      .page-51-live-co__hero-subtitle {
        font-size: 1.2em;
      }

      .page-51-live-co__hero-buttons {
        flex-direction: column;
        gap: 15px;
      }

      .page-51-live-co__button {
        width: 80%;
        max-width: 300px;
        padding: 12px 25px;
      }

      .page-51-live-co__section-title {
        font-size: 2em;
      }

      .page-51-live-co__section {
        padding: 30px 15px;
      }

      .page-51-live-co__products-grid,
      .page-51-live-co__promotions-grid,
      .page-51-live-co__features-grid,
      .page-51-live-co__logo-grid {
        grid-template-columns: 1fr;
        padding: 0 10px;
      }

      .page-51-live-co__product-card,
      .page-51-live-co__promo-card,
      .page-51-live-co__feature-item,
      .page-51-live-co__logo-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-51-live-co__faq-question,
      .page-51-live-co__faq-answer {
        padding-left: 15px;
        padding-right: 15px;
      }
      
      .page-51-live-co__faq-item.active .page-51-live-co__faq-answer {
        padding: 15px !important;
      }

      .page-51-live-co__faq-question h3 {
        font-size: 1.1em;
      }
      
      .page-51-live-co__floating-buttons {
        bottom: 15px;
        right: 15px;
        gap: 8px;
      }

      .page-51-live-co__floating-button {
        padding: 10px 18px;
        font-size: 0.9em;
      }
      
      .page-51-live-co__join-us-title {
          font-size: 1.8em;
      }

      .page-51-live-co__join-us-button {
          font-size: 1.1em;
          padding: 12px 30px;
      }
    }

    @media (max-width: 480px) {
      .page-51-live-co__hero-title {
        font-size: 1.8em;
      }

      .page-51-live-co__hero-subtitle {
        font-size: 1em;
      }
      
      .page-51-live-co__hero-section {
          padding-top: 10px;
          min-height: 50vh;
      }

      .page-51-live-co__section-title {
        font-size: 1.6em;
      }
      
      .page-51-live-co__about-text,
      .page-51-live-co__product-description,
      .page-51-live-co__promo-description,
      .page-51-live-co__feature-description,
      .page-51-live-co__faq-answer {
          font-size: 0.9em;
      }

      .page-51-live-co__product-title,
      .page-51-live-co__promo-title,
      .page-51-live-co__feature-title {
          font-size: 1.2em;
      }
    }
  