:root {
      --page-okvip-primary-color: #007bff;
      --page-okvip-secondary-color: #6c757d;
      --page-okvip-accent-color: #ffc107;
      --page-okvip-dark-text: #343a40;
      --page-okvip-light-text: #f8f9fa;
      --page-okvip-background-light: #ffffff;
      --page-okvip-background-dark: #212529;
      --page-okvip-border-color: #dee2e6;
    }

    .page-okvip {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-okvip-dark-text);
      background-color: var(--page-okvip-background-light);
    }

    .page-okvip__section {
      padding: 40px 15px;
      margin-bottom: 20px;
      border-radius: 8px;
    }

    .page-okvip__section--light {
      background-color: var(--page-okvip-background-light);
      color: var(--page-okvip-dark-text);
    }

    .page-okvip__section--dark {
      background-color: var(--page-okvip-background-dark);
      color: var(--page-okvip-light-text);
    }

    .page-okvip__section-title {
      text-align: center;
      color: var(--page-okvip-primary-color);
      margin-bottom: 30px;
      font-size: 2.2em;
      font-weight: bold;
    }

    .page-okvip__section--dark .page-okvip__section-title {
      color: var(--page-okvip-accent-color);
    }

    .page-okvip__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    /* Hero Section */
    .page-okvip__hero-section {
      position: relative;
      text-align: center;
      color: var(--page-okvip-light-text);
      padding-top: 60px; /* For fixed header on mobile */
      padding-bottom: 50px;
      overflow: hidden;
    }

    .page-okvip__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -1;
      filter: brightness(0.6);
      max-width: 100%; height: auto;
    }

    .page-okvip__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
    }

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

    .page-okvip__hero-subtitle {
      font-size: 1.2em;
      margin-bottom: 30px;
      color: var(--page-okvip-accent-color);
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
    }

    .page-okvip__button {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--page-okvip-accent-color);
      color: var(--page-okvip-dark-text);
      text-decoration: none;
      border-radius: 5px;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
    }

    .page-okvip__button:hover {
      background-color: #ffda6a;
    }

    /* Floating Login Button */
    .page-okvip__floating-button {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background-color: var(--page-okvip-primary-color);
      color: var(--page-okvip-light-text);
      text-align: center;
      padding: 15px 0;
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      display: none; /* Hidden by default, shown via JS on scroll or for mobile */
      cursor: pointer;
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-okvip__floating-button:hover {
      background-color: #0056b3;
    }

    /* Game Categories */
    .page-okvip__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
    }

    .page-okvip__game-card {
      background-color: var(--page-okvip-background-light);
      border: 1px solid var(--page-okvip-border-color);
      border-radius: 8px;
      overflow: hidden;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-okvip__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
    }

    .page-okvip__game-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Fixed height for consistency */
    }

    .page-okvip__game-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      max-width: 100%; height: auto;
    }

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

    .page-okvip__game-title {
      font-size: 1.5em;
      margin-bottom: 10px;
      color: var(--page-okvip-primary-color);
    }

    .page-okvip__game-description {
      font-size: 0.95em;
      color: var(--page-okvip-dark-text);
    }

    /* Promotion Section */
    .page-okvip__promotion-card {
      background-color: var(--page-okvip-accent-color);
      border-radius: 10px;
      padding: 30px;
      text-align: center;
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
    }

    .page-okvip__promotion-title {
      font-size: 2.5em;
      color: var(--page-okvip-dark-text);
      margin-bottom: 15px;
      font-weight: bold;
    }

    .page-okvip__promotion-text {
      font-size: 1.2em;
      color: var(--page-okvip-dark-text);
      margin-bottom: 25px;
    }

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

    .page-okvip__faq-item {
      background-color: var(--page-okvip-background-light);
      border: 1px solid var(--page-okvip-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
    }

    .page-okvip__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: #f1f1f1;
      color: var(--page-okvip-dark-text);
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-okvip__faq-question:hover {
      background-color: #e9e9e9;
    }

    .page-okvip__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      pointer-events: none; /* Prevent h3 from intercepting click */
    }

    .page-okvip__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from intercepting click */
    }

    .page-okvip__faq-item.active .page-okvip__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar */
    }
    .page-okvip__faq-item.active .page-okvip__faq-toggle::before {
        content: "−";
        transform: rotate(0deg); /* Reset rotation for the actual symbol */
    }
    .page-okvip__faq-toggle::before {
        content: "+";
    }

    .page-okvip__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      background-color: var(--page-okvip-background-light);
      color: var(--page-okvip-dark-text);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

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

    /* General Content */
    .page-okvip__content-text {
      font-size: 1em;
      margin-bottom: 15px;
      text-align: justify;
    }

    .page-okvip__content-list {
      list-style-type: disc;
      padding-left: 25px;
      margin-bottom: 20px;
    }

    .page-okvip__content-list-item {
      margin-bottom: 10px;
    }

    .page-okvip__image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin: 20px auto;
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }

    .page-okvip__responsive-image {
      width: 100%;
      height: auto;
      display: block;
      max-width: 100%; height: auto;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-okvip__hero-section {
        padding-top: 60px; /* Adjust for mobile fixed header */
        padding-bottom: 30px;
      }
      .page-okvip__hero-title {
        font-size: 2em;
      }
      .page-okvip__hero-subtitle {
        font-size: 1em;
      }
      .page-okvip__section-title {
        font-size: 1.8em;
      }
      .page-okvip__game-grid {
        grid-template-columns: 1fr;
      }
      .page-okvip__promotion-title {
        font-size: 2em;
      }
      .page-okvip__promotion-text {
        font-size: 1em;
      }
      .page-okvip__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }
      .page-okvip__faq-question h3 {
        font-size: 1em;
      }
      .page-okvip__faq-answer {
        padding: 0 15px;
      }
      .page-okvip__faq-item.active .page-okvip__faq-answer {
        padding: 15px !important;
      }
      .page-okvip__floating-button {
        display: block; /* Show floating button on mobile */
      }
      .page-okvip__responsive-image {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-okvip__game-image {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-okvip__hero-background {
        max-width: 100% !important;
        height: auto !important;
      }
    }

    @media (min-width: 769px) {
      .page-okvip__hero-section {
        padding-top: 80px; /* Adjust for desktop fixed header */
      }
      .page-okvip__hero-title {
        font-size: 3.5em;
      }
      .page-okvip__hero-subtitle {
        font-size: 1.4em;
      }
      .page-okvip__floating-button {
        display: none; /* Hide floating button on desktop */
      }
    }