:root {
      --page-vin58-primary-color: #e44d26; /* Cam đỏ */
      --page-vin58-secondary-color: #333; /* Xám đậm */
      --page-vin58-accent-color: #ffc107; /* Vàng hổ phách */
      --page-vin58-background-light: #f8f9fa; /* Trắng xám */
      --page-vin58-background-dark: #212529; /* Đen xám */
      --page-vin58-text-color-light: #f8f9fa;
      --page-vin58-text-color-dark: #212529;
      --page-vin58-border-color: #ddd;
    }

    .page-vin58 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-vin58-text-color-dark);
      background-color: var(--page-vin58-background-light);
      padding-top: 10px; /* Adjust for fixed header */
    }

    /* Floating Buttons */
    .page-vin58__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-vin58__floating-button {
      background-color: var(--page-vin58-primary-color);
      color: var(--page-vin58-text-color-light);
      border: none;
      padding: 12px 25px;
      border-radius: 30px;
      font-size: 1.1em;
      font-weight: bold;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-align: center;
      text-decoration: none; /* Ensure no underline */
      display: inline-block; /* For proper padding and alignment */
    }

    .page-vin58__floating-button:hover {
      background-color: #c74020;
      transform: translateY(-2px);
    }

    /* General Section Styling */
    .page-vin58__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: #fff;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
      text-align: center;
    }

    .page-vin58__section--dark {
      background-color: var(--page-vin58-background-dark);
      color: var(--page-vin58-text-color-light);
    }

    .page-vin58__section-title {
      font-size: 2.5em;
      color: var(--page-vin58-primary-color);
      margin-bottom: 20px;
      font-weight: bold;
    }

    .page-vin58__section-title--light {
      color: var(--page-vin58-accent-color);
    }

    .page-vin58__section-description {
      font-size: 1.1em;
      color: var(--page-vin58-secondary-color);
      max-width: 800px;
      margin: 0 auto 30px auto;
    }

    .page-vin58__section--dark .page-vin58__section-description {
      color: var(--page-vin58-text-color-light);
    }

    /* Hero Section */
    .page-vin58__hero-section {
      position: relative;
      background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7)), url('[GALLERY:hero:1920x1080:vin58,betting,casino]') no-repeat center center/cover;
      color: var(--page-vin58-text-color-light);
      padding: 100px 20px;
      min-height: 500px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      border-radius: 0; /* No border-radius for hero */
      box-shadow: none; /* No shadow for hero */
      margin-bottom: 0; /* No margin-bottom for hero */
    }

    .page-vin58__hero-title {
      font-size: 3.5em;
      margin-bottom: 15px;
      font-weight: bold;
      color: var(--page-vin58-accent-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-vin58__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: 30px;
      max-width: 700px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
    }

    .page-vin58__hero-button {
      background-color: var(--page-vin58-primary-color);
      color: var(--page-vin58-text-color-light);
      padding: 15px 40px;
      font-size: 1.2em;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none; /* Ensure it's a button, not a link visually */
      cursor: pointer;
    }

    .page-vin58__hero-button:hover {
      background-color: #c74020;
      transform: translateY(-2px);
    }

    /* Game Categories */
    .page-vin58__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px 0;
    }

    .page-vin58__category-card {
      background-color: var(--page-vin58-background-light);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      border: 1px solid var(--page-vin58-border-color);
    }

    .page-vin58__category-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-vin58__category-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-vin58__category-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-vin58__category-title {
      font-size: 1.5em;
      color: var(--page-vin58-primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-vin58__category-description {
      font-size: 0.95em;
      color: var(--page-vin58-secondary-color);
      margin-bottom: 15px;
    }

    .page-vin58__category-button {
      background-color: var(--page-vin58-accent-color);
      color: var(--page-vin58-text-color-dark);
      padding: 10px 20px;
      border-radius: 5px;
      font-size: 1em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      width: fit-content;
      margin: 0 auto;
    }

    .page-vin58__category-button:hover {
      background-color: #fdd835;
    }

    /* Promotions Section */
    .page-vin58__promotions-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px 0;
    }

    .page-vin58__promotion-card {
      background-color: var(--page-vin58-background-light);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: left;
      border: 1px solid var(--page-vin58-border-color);
    }

    .page-vin58__promotion-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-vin58__promotion-image {
      width: 100%;
      height: 220px;
      object-fit: cover;
      display: block;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-vin58__promotion-content {
      padding: 20px;
    }

    .page-vin58__promotion-title {
      font-size: 1.4em;
      color: var(--page-vin58-primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-vin58__promotion-description {
      font-size: 0.95em;
      color: var(--page-vin58-secondary-color);
      margin-bottom: 15px;
    }

    .page-vin58__promotion-button {
      background-color: var(--page-vin58-primary-color);
      color: var(--page-vin58-text-color-light);
      padding: 10px 20px;
      border-radius: 5px;
      font-size: 1em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      text-decoration: none;
      display: inline-block;
    }

    .page-vin58__promotion-button:hover {
      background-color: #c74020;
    }

    /* Payment and Providers Section */
    .page-vin58__payment-providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 20px;
      max-width: 1000px;
      margin: 0 auto;
      padding: 20px 0;
    }

    .page-vin58__item-card {
      background-color: var(--page-vin58-background-light);
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      padding: 20px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 150px;
      transition: transform 0.2s ease;
      border: 1px solid var(--page-vin58-border-color);
    }

    .page-vin58__item-card:hover {
      transform: translateY(-3px);
    }

    .page-vin58__item-image {
      width: 120px; /* Minimum 200x200px rule for actual images, this is for display size */
      height: 80px;
      object-fit: contain;
      margin-bottom: 10px;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-vin58__item-name {
      font-size: 1.1em;
      font-weight: bold;
      color: var(--page-vin58-secondary-color);
      text-align: center;
    }

    /* FAQ Section */
    .page-vin58__faq-section {
      text-align: left;
      max-width: 900px;
      margin: 0 auto;
      padding-bottom: 60px;
    }

    .page-vin58__faq-item {
      background-color: #fefefe;
      border: 1px solid var(--page-vin58-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .page-vin58__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      user-select: none;
      background-color: var(--page-vin58-background-light);
      border-bottom: 1px solid var(--page-vin58-border-color);
      transition: background-color 0.3s ease;
    }

    .page-vin58__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-vin58__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-vin58-secondary-color);
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click on parent div */
    }

    .page-vin58__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-vin58-primary-color);
      margin-left: 15px;
      width: 25px;
      text-align: center;
      pointer-events: none; /* Prevent toggle icon from blocking click on parent div */
    }

    .page-vin58__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px; /* Adjust padding here */
      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-vin58-secondary-color);
      font-size: 1em;
      background-color: #fff;
    }

    .page-vin58__faq-item.active .page-vin58__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain any content */
      padding: 20px 25px !important; /* Expanded padding */
      opacity: 1;
    }

    /* Social Media Section */
    .page-vin58__social-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      max-width: 800px;
      margin: 0 auto;
      padding: 20px 0;
    }

    .page-vin58__social-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-decoration: none;
      color: var(--page-vin58-secondary-color);
      transition: transform 0.2s ease, color 0.2s ease;
      width: 100px; /* Fixed width for better layout */
    }

    .page-vin58__social-item:hover {
      transform: translateY(-5px);
      color: var(--page-vin58-primary-color);
    }

    .page-vin58__social-icon {
      width: 60px; /* Adjust size, minimum 200x200px rule for actual images */
      height: 60px;
      object-fit: contain;
      margin-bottom: 8px;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-vin58__social-name {
      font-size: 0.9em;
      font-weight: bold;
      text-align: center;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-vin58 {
        padding-top: 5px; /* Smaller top padding for mobile */
      }
      .page-vin58__hero-title {
        font-size: 2.5em;
      }

      .page-vin58__hero-subtitle {
        font-size: 1.2em;
      }

      .page-vin58__section-title {
        font-size: 2em;
      }

      .page-vin58__game-categories,
      .page-vin58__promotions-grid,
      .page-vin58__payment-providers-grid {
        grid-template-columns: 1fr;
        padding: 10px;
      }

      /* List item mobile responsive requirement */
      .page-vin58__game-categories > *,
      .page-vin58__promotions-grid > *,
      .page-vin58__payment-providers-grid > * {
        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;
        word-break: break-word !important;
      }

      .page-vin58__game-categories,
      .page-vin58__promotions-grid,
      .page-vin58__payment-providers-grid {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 10px !important;
        padding-right: 10px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-vin58__category-card,
      .page-vin58__promotion-card,
      .page-vin58__item-card {
        margin: 0 auto; /* Center single column cards */
      }

      .page-vin58__faq-question {
        padding: 15px 20px;
      }

      .page-vin58__faq-question h3 {
        font-size: 1.1em;
      }

      .page-vin58__faq-answer {
        padding: 0 20px;
      }

      .page-vin58__faq-item.active .page-vin58__faq-answer {
        padding: 15px 20px !important;
      }

      .page-vin58__social-grid {
        gap: 15px;
        padding: 10px;
      }

      .page-vin58__social-item {
        width: 80px;
      }

      .page-vin58__floating-buttons {
        bottom: 15px;
        right: 15px;
      }

      .page-vin58__floating-button {
        padding: 10px 20px;
        font-size: 1em;
      }
      
      /* Image responsiveness */
      .page-vin58__category-image,
      .page-vin58__promotion-image,
      .page-vin58__item-image,
      .page-vin58__social-icon {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-vin58__category-card,
      .page-vin58__promotion-card,
      .page-vin58__item-card,
      .page-vin58__social-item {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-vin58__hero-title {
        font-size: 2em;
      }

      .page-vin58__hero-subtitle {
        font-size: 1em;
      }

      .page-vin58__floating-buttons {
        bottom: 10px;
        right: 10px;
      }
    }