:root {
      --primary-color: #e44d26; /* A vibrant orange-red, common in betting sites */
      --secondary-color: #f7b731; /* Golden yellow for highlights */
      --background-dark: #1a1a2e; /* Dark background */
      --background-light: #202c39; /* Slightly lighter dark background */
      --text-light: #ffffff;
      --text-dark: #eeeeee;
      --border-color: #3f4e6e;
      --button-bg-register: #4CAF50; /* Green */
      --button-bg-login: #007bff; /* Blue */
      --button-text: #ffffff;
      --button-hover-register: #45a049;
      --button-hover-login: #0056b3;
      --padding-section: 40px 20px;
      --border-radius: 8px;
    }

    body {
      font-family: 'Arial', sans-serif;
      background-color: var(--background-dark);
      color: var(--text-dark);
      line-height: 1.6;
      margin: 0;
      padding: 0;
    }

    .page-11vn {
      max-width: 1200px;
      margin: 0 auto;
      overflow-x: hidden; /* Prevent horizontal scroll from fixed buttons */
      padding-top: 10px; /* Small top padding, assuming body already has padding-top from shared header */
    }

    /* Hero Section */
    .page-11vn__hero-section {
      text-align: center;
      padding: var(--padding-section);
      background: linear-gradient(135deg, var(--background-dark), var(--background-light));
      border-bottom: 2px solid var(--border-color);
      position: relative;
      overflow: hidden;
      margin-bottom: 20px;
    }

    .page-11vn__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.3;
      z-index: 0;
    }

    .page-11vn__hero-content {
      position: relative;
      z-index: 1;
      color: var(--text-light);
    }

    .page-11vn__hero-title {
      font-size: 2.8em;
      color: var(--secondary-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-11vn__hero-subtitle {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-11vn__hero-cta-button {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--button-text);
      padding: 15px 30px;
      border-radius: var(--border-radius);
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      border: none; /* Ensure it looks like a button */
      cursor: pointer;
    }

    .page-11vn__hero-cta-button:hover {
      background-color: #c7401f;
    }

    /* Floating Buttons */
    .page-11vn__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-11vn__floating-button {
      display: block; /* Ensure it takes full width of its flex item */
      padding: 12px 25px;
      border-radius: 50px;
      text-align: center;
      font-weight: bold;
      font-size: 1em;
      color: var(--button-text);
      text-decoration: none;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
      transition: background-color 0.3s ease;
      min-width: 120px; /* Ensure buttons have a minimum width */
    }

    .page-11vn__floating-button--register {
      background-color: var(--button-bg-register);
    }

    .page-11vn__floating-button--register:hover {
      background-color: var(--button-hover-register);
    }

    .page-11vn__floating-button--login {
      background-color: var(--button-bg-login);
    }

    .page-11vn__floating-button--login:hover {
      background-color: var(--button-hover-login);
    }

    /* Content Sections */
    .page-11vn__section {
      padding: var(--padding-section);
      margin-bottom: 20px;
      background-color: var(--background-light);
      border-radius: var(--border-radius);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-11vn__section-title {
      font-size: 2em;
      color: var(--primary-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
    }

    .page-11vn__section-title::after {
      content: '';
      display: block;
      width: 60px;
      height: 3px;
      background-color: var(--secondary-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-11vn__section-subtitle {
      font-size: 1.5em;
      color: var(--secondary-color);
      text-align: center;
      margin-top: 30px;
      margin-bottom: 20px;
    }

    .page-11vn__text-content {
      font-size: 1.1em;
      margin-bottom: 20px;
      text-align: justify;
    }

    /* Product Grid */
    .page-11vn__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-11vn__product-card {
      background-color: var(--background-dark);
      border-radius: var(--border-radius);
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between; /* Push image to top, text to bottom */
      height: 100%; /* Ensure cards are same height */
    }

    .page-11vn__product-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
    }

    .page-11vn__product-image-wrapper {
      width: 100%;
      height: 200px; /* Fixed height for consistent image display */
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .page-11vn__product-image {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      width: 100%; /* Ensure image fills wrapper width */
      min-height: 200px; /* Ensure it meets min-height requirement */
    }

    .page-11vn__product-info {
      padding: 20px;
      flex-grow: 1; /* Allow info section to grow */
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-11vn__product-title {
      font-size: 1.4em;
      color: var(--secondary-color);
      margin-bottom: 10px;
    }

    .page-11vn__product-description {
      font-size: 0.95em;
      color: var(--text-dark);
      margin-bottom: 15px;
      flex-grow: 1; /* Allow description to grow */
    }

    .page-11vn__product-button {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--button-text);
      padding: 10px 20px;
      border-radius: var(--border-radius);
      text-decoration: none;
      font-weight: bold;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-11vn__product-button:hover {
      background-color: #c7401f;
    }

    /* Promotions Section */
    .page-11vn__promotion-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-11vn__promotion-item {
      background-color: var(--background-dark);
      border-radius: var(--border-radius);
      padding: 25px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
    }

    .page-11vn__promotion-item:hover {
      transform: translateY(-5px);
    }

    .page-11vn__promotion-title {
      font-size: 1.5em;
      color: var(--secondary-color);
      margin-bottom: 10px;
    }

    .page-11vn__promotion-description {
      font-size: 1em;
      color: var(--text-dark);
      margin-bottom: 15px;
    }

    .page-11vn__promotion-date {
      font-size: 0.9em;
      color: #999;
      text-align: right;
    }

    /* Providers and Payments Grid */
    .page-11vn__logo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); /* Adjusted for logos */
      gap: 20px;
      margin-top: 30px;
      justify-items: center; /* Center items in grid */
      align-items: center;
    }

    .page-11vn__logo-item {
      background-color: var(--background-dark);
      border-radius: var(--border-radius);
      padding: 15px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      text-align: center;
      width: 100%; /* Take full width of grid column */
      max-width: 250px; /* Limit max width for larger screens */
      height: 120px; /* Fixed height for consistent logo display */
      display: flex;
      align-items: center;
      justify-content: center;
      transition: transform 0.3s ease;
    }

    .page-11vn__logo-item:hover {
      transform: scale(1.05);
    }

    .page-11vn__logo-image {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
      height: auto;
      min-width: 200px; /* Ensure it meets min-width requirement */
      min-height: 100px; /* Ensure it meets min-height requirement */
    }

    /* FAQ Section */
    .page-11vn__faq-section {
      padding: var(--padding-section);
      margin-bottom: 20px;
      background-color: var(--background-light);
      border-radius: var(--border-radius);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-11vn__faq-item {
      background-color: var(--background-dark);
      border-radius: var(--border-radius);
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-11vn__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--background-dark);
      color: var(--text-light);
      cursor: pointer;
      font-weight: bold;
      font-size: 1.1em;
      border-bottom: 1px solid var(--border-color);
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-11vn__faq-question:hover {
      background-color: #2a384b;
    }

    .page-11vn__faq-question h3 {
      margin: 0;
      color: var(--text-light);
      font-size: 1.1em;
      pointer-events: none; /* Prevent h3 from blocking click on parent div */
    }

    .page-11vn__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click on parent div */
    }

    .page-11vn__faq-item.active .page-11vn__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-11vn__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px; /* Initial padding */
      color: var(--text-dark);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-11vn__faq-item.active .page-11vn__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px !important; /* Expanded padding */
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-11vn {
        padding-left: 10px;
        padding-right: 10px;
      }

      .page-11vn__hero-title {
        font-size: 2em;
      }

      .page-11vn__hero-subtitle {
        font-size: 1em;
      }

      .page-11vn__hero-cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-11vn__section-title {
        font-size: 1.8em;
      }

      .page-11vn__section-subtitle {
        font-size: 1.3em;
      }

      .page-11vn__product-grid,
      .page-11vn__promotion-list,
      .page-11vn__logo-grid {
        grid-template-columns: 1fr; /* Single column layout */
      }

      .page-11vn__product-card,
      .page-11vn__promotion-item,
      .page-11vn__logo-item {
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        word-wrap: break-word !important; /* For content within cards */
        overflow-wrap: break-word !important;
      }

      .page-11vn__product-image,
      .page-11vn__logo-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        word-wrap: break-word !important; /* For alt text or content if it renders */
        overflow-wrap: break-word !important;
      }

      .page-11vn__product-image-wrapper {
        height: auto; /* Adjust height for mobile */
      }

      .page-11vn__logo-item {
        height: 100px; /* Adjust height for mobile logos */
        padding: 10px;
      }

      .page-11vn__floating-buttons {
        bottom: 15px;
        right: 15px;
        gap: 8px;
      }

      .page-11vn__floating-button {
        padding: 10px 20px;
        font-size: 0.9em;
        min-width: 100px;
      }

      .page-11vn__faq-question {
        font-size: 1em;
        padding: 12px 15px;
      }

      .page-11vn__faq-question h3 {
        font-size: 1em;
      }

      .page-11vn__faq-answer {
        padding: 0 15px; /* Adjust padding for mobile */
      }
      .page-11vn__faq-item.active .page-11vn__faq-answer {
        padding: 15px !important; /* Adjust padding for mobile */
      }
    }

    @media (max-width: 480px) {
      .page-11vn__hero-title {
        font-size: 1.8em;
      }
      .page-11vn__hero-subtitle {
        font-size: 0.9em;
      }
      .page-11vn__hero-cta-button {
        padding: 10px 20px;
        font-size: 0.9em;
      }
      .page-11vn__floating-buttons {
        bottom: 10px;
        right: 10px;
      }
      .page-11vn__floating-button {
        min-width: 90px;
        padding: 8px 15px;
        font-size: 0.85em;
      }
    }