/* Tổng quan */
    :root {
      --page-f168s-c-primary-color: #e44d26; /* Cam */
      --page-f168s-c-secondary-color: #ff9800; /* Vàng cam */
      --page-f168s-c-accent-color: #4CAF50; /* Xanh lá */
      --page-f168s-c-dark-bg: #1a1a1a;
      --page-f168s-c-light-text: #f0f0f0;
      --page-f168s-c-gray-text: #cccccc;
      --page-f168s-c-border-color: #333333;
      --page-f168s-c-button-hover: #ff6f42;
      --page-f168s-c-button-active: #c73c1d;
      --page-f168s-c-card-bg: #2a2a2a;
      --page-f168s-c-padding-desktop: 80px;
      --page-f168s-c-padding-mobile: 20px;
    }

    .page-f168s-c {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: var(--page-f168s-c-dark-bg);
      color: var(--page-f168s-c-light-text);
      line-height: 1.6;
      overflow-x: hidden;
      padding-top: 10px; /* Assuming body already has padding-top from shared header */
    }

    .page-f168s-c__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--page-f168s-c-padding-mobile);
    }

    .page-f168s-c__section {
      padding: 60px 0;
      text-align: center;
    }

    .page-f168s-c__section--dark {
      background-color: var(--page-f168s-c-dark-bg);
    }

    .page-f168s-c__section--light {
      background-color: var(--page-f168s-c-card-bg);
    }

    .page-f168s-c__heading {
      font-size: 2.8em;
      color: var(--page-f168s-c-primary-color);
      margin-bottom: 30px;
      text-transform: uppercase;
      font-weight: 700;
    }

    .page-f168s-c__subheading {
      font-size: 1.8em;
      color: var(--page-f168s-c-secondary-color);
      margin-bottom: 20px;
    }

    .page-f168s-c__paragraph {
      font-size: 1.1em;
      color: var(--page-f168s-c-gray-text);
      margin-bottom: 15px;
    }

    /* Nút Đăng ký/Đăng nhập nổi */
    .page-f168s-c__floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
      padding: 10px 15px;
      background: rgba(0, 0, 0, 0.7);
      border-radius: 50px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-f168s-c__button {
      background-color: var(--page-f168s-c-primary-color);
      color: var(--page-f168s-c-light-text);
      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;
      text-decoration: none;
      display: inline-block;
    }

    .page-f168s-c__button:hover {
      background-color: var(--page-f168s-c-button-hover);
      transform: translateY(-2px);
    }

    .page-f168s-c__button:active {
      background-color: var(--page-f168s-c-button-active);
      transform: translateY(0);
    }

    .page-f168s-c__button--secondary {
      background-color: var(--page-f168s-c-accent-color);
    }

    .page-f168s-c__button--secondary:hover {
      background-color: #5cb85c;
    }

    /* Hero Section */
    .page-f168s-c__hero-section {
      background: url('[GALLERY:hero:1920x1080:f168s,betting,mobile,casino,games]') no-repeat center center/cover;
      padding: 100px 0;
      min-height: 500px;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      overflow: hidden;
    }

    .page-f168s-c__hero-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.6);
    }

    .page-f168s-c__hero-content {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 900px;
      padding: 20px;
    }

    .page-f168s-c__hero-title {
      font-size: 4em;
      color: var(--page-f168s-c-primary-color);
      margin-bottom: 20px;
      font-weight: 900;
      text-transform: uppercase;
      text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
    }

    .page-f168s-c__hero-subtitle {
      font-size: 1.8em;
      color: var(--page-f168s-c-light-text);
      margin-bottom: 30px;
      font-weight: 300;
      text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.7);
    }

    .page-f168s-c__hero-buttons {
      display: flex;
      justify-content: center;
      gap: 20px;
    }

    /* Giới thiệu */
    .page-f168s-c__about-section {
      padding: 80px 0;
    }

    .page-f168s-c__about-content {
      display: flex;
      flex-direction: column;
      gap: 30px;
      align-items: center;
    }

    .page-f168s-c__about-text {
      flex: 1;
      text-align: left;
    }

    .page-f168s-c__about-image {
      flex: 1;
      text-align: center;
    }

    .page-f168s-c__about-image img {
      max-width: 100%;
      height: auto;
      border-radius: 15px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
      object-fit: cover;
      min-width: 200px; /* enforce min size */
      min-height: 200px; /* enforce min size */
    }

    /* Danh mục trò chơi */
    .page-f168s-c__game-categories {
      background-color: var(--page-f168s-c-card-bg);
    }

    .page-f168s-c__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-f168s-c__game-card {
      background-color: var(--page-f168s-c-dark-bg);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
    }

    .page-f168s-c__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 12px 25px rgba(0, 0, 0, 0.5);
    }

    .page-f168s-c__game-card-image {
      width: 100%;
      height: 200px;
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      margin-bottom: 15px;
    }

    .page-f168s-c__game-card-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
      min-width: 200px; /* enforce min size */
      min-height: 200px; /* enforce min size */
    }

    .page-f168s-c__game-card:hover .page-f168s-c__game-card-image img {
      transform: scale(1.05);
    }

    .page-f168s-c__game-card-title {
      font-size: 1.5em;
      color: var(--page-f168s-c-secondary-color);
      margin-bottom: 10px;
      padding: 0 15px;
    }

    .page-f168s-c__game-card-description {
      font-size: 0.95em;
      color: var(--page-f168s-c-gray-text);
      padding: 0 15px;
    }

    /* Khuyến mãi */
    .page-f168s-c__promotion-section {
      padding: 80px 0;
      background-color: var(--page-f168s-c-dark-bg);
    }

    .page-f168s-c__promotion-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-f168s-c__promotion-item {
      background-color: var(--page-f168s-c-card-bg);
      border-radius: 12px;
      padding: 30px;
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
      text-align: left;
      transition: transform 0.3s ease;
    }

    .page-f168s-c__promotion-item:hover {
      transform: translateY(-8px);
    }

    .page-f168s-c__promotion-title {
      font-size: 1.6em;
      color: var(--page-f168s-c-primary-color);
      margin-bottom: 15px;
    }

    .page-f168s-c__promotion-description {
      font-size: 1em;
      color: var(--page-f168s-c-gray-text);
      margin-bottom: 20px;
    }

    .page-f168s-c__promotion-button {
      background-color: var(--page-f168s-c-accent-color);
      color: var(--page-f168s-c-light-text);
      padding: 10px 20px;
      border: none;
      border-radius: 25px;
      font-weight: bold;
      cursor: pointer;
      transition: background-color 0.3s ease;
      text-decoration: none;
      display: inline-block;
    }

    .page-f168s-c__promotion-button:hover {
      background-color: #5cb85c;
    }

    /* Đối tác nhà cung cấp */
    .page-f168s-c__providers-section {
      background-color: var(--page-f168s-c-card-bg);
    }

    .page-f168s-c__providers-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
      margin-top: 40px;
    }

    .page-f168s-c__provider-logo {
      width: 150px;
      height: 100px;
      background-color: var(--page-f168s-c-dark-bg);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease;
      overflow: hidden;
      padding: 10px;
      box-sizing: border-box;
    }

    .page-f168s-c__provider-logo:hover {
      transform: translateY(-5px) scale(1.05);
    }

    .page-f168s-c__provider-logo img {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
      min-width: 200px; /* enforce min size */
      min-height: 200px; /* enforce min size */
    }
    .page-f168s-c__provider-logo span {
      color: var(--page-f168s-c-light-text);
      font-weight: bold;
      font-size: 1.2em;
      text-align: center;
    }

    /* Phương thức thanh toán */
    .page-f168s-c__payments-section {
      background-color: var(--page-f168s-c-dark-bg);
    }

    .page-f168s-c__payments-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
      margin-top: 40px;
    }

    .page-f168s-c__payment-item {
      width: 150px;
      height: 80px;
      background-color: var(--page-f168s-c-card-bg);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease;
      overflow: hidden;
      padding: 10px;
      box-sizing: border-box;
    }

    .page-f168s-c__payment-item:hover {
      transform: translateY(-5px) scale(1.05);
    }

    .page-f168s-c__payment-item img {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
      min-width: 200px; /* enforce min size */
      min-height: 200px; /* enforce min size */
    }
    .page-f168s-c__payment-item span {
      color: var(--page-f168s-c-light-text);
      font-weight: bold;
      font-size: 1.2em;
      text-align: center;
    }

    /* Câu hỏi thường gặp (FAQ) */
    .page-f168s-c__faq-section {
      background-color: var(--page-f168s-c-card-bg);
      padding-bottom: 80px;
    }

    .page-f168s-c__faq-list {
      margin-top: 40px;
      text-align: left;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-f168s-c__faq-item {
      background-color: var(--page-f168s-c-dark-bg);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      border: 1px solid var(--page-f168s-c-border-color);
    }

    .page-f168s-c__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      user-select: none;
      background-color: #2c2c2c;
      transition: background-color 0.3s ease;
    }

    .page-f168s-c__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-f168s-c__faq-question h3 {
      font-size: 1.2em;
      color: var(--page-f168s-c-light-text);
      margin: 0;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-f168s-c__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-f168s-c-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-f168s-c__faq-item.active .page-f168s-c__faq-toggle {
      transform: rotate(45deg); /* For '-' effect */
    }

    .page-f168s-c__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      opacity: 0;
      color: var(--page-f168s-c-gray-text);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      font-size: 1em;
    }

    .page-f168s-c__faq-item.active .page-f168s-c__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Social Media */
    .page-f168s-c__social-section {
      background-color: var(--page-f168s-c-dark-bg);
      padding: 40px 0;
    }

    .page-f168s-c__social-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 25px;
      margin-top: 30px;
    }

    .page-f168s-c__social-link {
      color: var(--page-f168s-c-light-text);
      font-size: 1.1em;
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 10px 15px;
      border-radius: 25px;
      background-color: var(--page-f168s-c-card-bg);
      transition: background-color 0.3s ease, transform 0.2s ease;
    }

    .page-f168s-c__social-link:hover {
      background-color: var(--page-f168s-c-primary-color);
      transform: translateY(-3px);
    }

    .page-f168s-c__social-link img {
      width: 32px;
      height: 32px;
      object-fit: contain;
      min-width: 200px; /* enforce min size */
      min-height: 200px; /* enforce min size */
      display: none; /* Hide social icons as per requirement */
    }

    /* Responsive adjustments */
    @media (min-width: 769px) {
      .page-f168s-c__container {
        padding: 0 var(--page-f168s-c-padding-desktop);
      }
      .page-f168s-c__about-content {
        flex-direction: row;
        text-align: left;
      }
      .page-f168s-c__about-text {
        padding-right: 40px;
      }
      .page-f168s-c__about-image {
        padding-left: 40px;
      }
    }

    @media (max-width: 768px) {
      .page-f168s-c__heading {
        font-size: 2em;
      }

      .page-f168s-c__subheading {
        font-size: 1.4em;
      }

      .page-f168s-c__hero-section {
        padding: 80px 0;
        min-height: 400px;
      }

      .page-f168s-c__hero-title {
        font-size: 2.5em;
      }

      .page-f168s-c__hero-subtitle {
        font-size: 1.2em;
      }

      .page-f168s-c__hero-buttons {
        flex-direction: column;
        gap: 10px;
      }

      .page-f168s-c__button {
        width: 100%;
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-f168s-c__floating-buttons {
        flex-direction: column;
        bottom: 15px;
        gap: 10px;
        width: calc(100% - 40px);
        box-sizing: border-box;
        padding: 10px;
        border-radius: 15px;
      }

      .page-f168s-c__game-grid,
      .page-f168s-c__promotion-grid,
      .page-f168s-c__providers-grid,
      .page-f168s-c__payments-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-f168s-c__provider-logo,
      .page-f168s-c__payment-item {
        width: calc(100% - 40px); /* Adjust width for mobile */
        max-width: 300px;
        margin: 0 auto;
      }

      .page-f168s-c__section {
        padding: 40px 0;
      }

      .page-f168s-c__faq-question {
        padding: 15px 20px;
      }

      .page-f168s-c__faq-question h3 {
        font-size: 1.1em;
      }

      .page-f168s-c__faq-answer {
        padding: 15px 20px !important; /* Ensure mobile padding is applied */
      }

      .page-f168s-c__social-link {
        width: calc(100% - 40px);
        max-width: 250px;
        margin: 0 auto;
        justify-content: center;
      }

      /* Image responsive styles */
      .page-f168s-c img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-f168s-c__about-image,
      .page-f168s-c__game-card-image,
      .page-f168s-c__provider-logo,
      .page-f168s-c__payment-item {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
      }

      /* List items responsive styles (if any ul/ol are used) */
      .page-f168s-c ul, .page-f168s-c ol {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-f168s-c ul li, .page-f168s-c ol li {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 10px 15px !important; /* Adjust padding for mobile */
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
    }