:root {
      --page-kkwinnohu-primary-color: #e44d26; /* Cam đậm */
      --page-kkwinnohu-secondary-color: #ff8c00; /* Cam sáng */
      --page-kkwinnohu-accent-color: #ffd700; /* Vàng */
      --page-kkwinnohu-dark-bg: #1a1a1a; /* Nền tối */
      --page-kkwinnohu-light-bg: #f5f5f5; /* Nền sáng */
      --page-kkwinnohu-text-color: #ffffff; /* Chữ trắng */
      --page-kkwinnohu-dark-text-color: #333333; /* Chữ đen */
      --page-kkwinnohu-border-radius: 8px;
    }

    /* Base styles for the page content */
    .page-kkwinnohu {
      font-family: 'Arial', sans-serif;
      color: var(--page-kkwinnohu-text-color);
      background-color: var(--page-kkwinnohu-dark-bg);
      line-height: 1.6;
    }

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

    .page-kkwinnohu__section {
      padding: 60px 20px;
      margin-bottom: 20px;
      border-radius: var(--page-kkwinnohu-border-radius);
      background-color: #2a2a2a; /* Slightly lighter dark background for sections */
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .page-kkwinnohu__section--light {
      background-color: var(--page-kkwinnohu-light-bg);
      color: var(--page-kkwinnohu-dark-text-color);
    }

    .page-kkwinnohu__heading {
      text-align: center;
      color: var(--page-kkwinnohu-accent-color);
      margin-bottom: 40px;
      font-size: 2.5em;
      font-weight: bold;
      line-height: 1.2;
    }

    .page-kkwinnohu__subheading {
      color: var(--page-kkwinnohu-secondary-color);
      font-size: 1.8em;
      margin-top: 30px;
      margin-bottom: 20px;
      text-align: left;
    }

    .page-kkwinnohu__paragraph {
      font-size: 1.1em;
      margin-bottom: 15px;
      color: #ccc;
    }

    .page-kkwinnohu__link {
      color: var(--page-kkwinnohu-secondary-color);
      text-decoration: none;
      font-weight: bold;
    }

    .page-kkwinnohu__link:hover {
      text-decoration: underline;
    }

    /* Hero Section */
    .page-kkwinnohu__hero-section {
      position: relative;
      text-align: center;
      padding-top: 10px; /* Adjusted for fixed header on desktop */
      padding-bottom: 40px;
      background: linear-gradient(135deg, #1a1a1a, #333333);
    }

    .page-kkwinnohu__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 20px;
    }

    .page-kkwinnohu__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: var(--page-kkwinnohu-border-radius);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    }

    .page-kkwinnohu__hero-content {
      position: relative;
      z-index: 1;
      padding: 0 20px;
    }

    .page-kkwinnohu__hero-title {
      font-size: 3.5em;
      color: var(--page-kkwinnohu-accent-color);
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-kkwinnohu__hero-description {
      font-size: 1.3em;
      color: #e0e0e0;
      max-width: 800px;
      margin: 0 auto 30px auto;
    }

    /* Floating Login Button */
    .page-kkwinnohu__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-kkwinnohu-primary-color);
      color: var(--page-kkwinnohu-text-color);
      padding: 15px 25px;
      border-radius: 50px;
      text-align: center;
      font-size: 1.2em;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.3s ease;
      animation: page-kkwinnohu__pulse 2s infinite;
      border: none; /* Ensure it looks like a button */
      cursor: pointer; /* Indicate interactivity */
    }

    .page-kkwinnohu__floating-button:hover {
      background-color: #c93a17;
      transform: translateY(-3px);
      animation: none;
    }

    @keyframes page-kkwinnohu__pulse {
      0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(228, 77, 38, 0.7);
      }
      70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(228, 77, 38, 0);
      }
      100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(228, 77, 38, 0);
      }
    }

    /* Game Categories/Providers Grid */
    .page-kkwinnohu__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-kkwinnohu__game-item {
      background-color: #3a3a3a;
      border-radius: var(--page-kkwinnohu-border-radius);
      padding: 15px;
      text-align: center;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      color: var(--page-kkwinnohu-text-color);
    }

    .page-kkwinnohu__game-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
    }

    .page-kkwinnohu__game-icon-wrapper,
    .page-kkwinnohu__game-logo-wrapper,
    .page-kkwinnohu__game-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 10px;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .page-kkwinnohu__game-icon,
    .page-kkwinnohu__game-logo,
    .page-kkwinnohu__game-image {
      max-width: 100%;
      height: auto;
      border-radius: var(--page-kkwinnohu-border-radius);
      min-width: 200px; /* Minimum size enforcement */
      min-height: 200px;
      object-fit: contain; /* Ensure image fits without cropping */
    }

    .page-kkwinnohu__game-title {
      font-size: 1.1em;
      font-weight: bold;
      color: var(--page-kkwinnohu-accent-color);
      margin-top: 10px;
    }

    /* Step-by-step Guide */
    .page-kkwinnohu__step-list {
      list-style: none;
      padding: 0;
      margin-top: 30px;
    }

    .page-kkwinnohu__step-item {
      background-color: #333333;
      padding: 25px;
      margin-bottom: 20px;
      border-left: 5px solid var(--page-kkwinnohu-primary-color);
      border-radius: var(--page-kkwinnohu-border-radius);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-kkwinnohu__step-number {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-kkwinnohu-accent-color);
      margin-bottom: 10px;
      display: block;
    }

    .page-kkwinnohu__step-title {
      font-size: 1.3em;
      color: var(--page-kkwinnohu-secondary-color);
      margin-bottom: 10px;
    }

    .page-kkwinnohu__step-description {
      font-size: 1em;
      color: #ccc;
    }

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

    .page-kkwinnohu__promo-card {
      background-color: #3a3a3a;
      border-radius: var(--page-kkwinnohu-border-radius);
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease;
    }

    .page-kkwinnohu__promo-card:hover {
      transform: translateY(-5px);
    }

    .page-kkwinnohu__promo-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-kkwinnohu__promo-image {
      max-width: 100%;
      height: auto;
      display: block;
      min-width: 200px;
      min-height: 200px;
      object-fit: cover;
    }

    .page-kkwinnohu__promo-content {
      padding: 20px;
      color: var(--page-kkwinnohu-text-color);
    }

    .page-kkwinnohu__promo-title {
      font-size: 1.4em;
      color: var(--page-kkwinnohu-accent-color);
      margin-bottom: 10px;
    }

    .page-kkwinnohu__promo-description {
      font-size: 0.95em;
      color: #ccc;
      margin-bottom: 15px;
    }

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

    .page-kkwinnohu__promo-button:hover {
      background-color: #c93a17;
    }

    /* FAQ Section */
    .page-kkwinnohu__faq-container {
      margin-top: 40px;
      background-color: #3a3a3a;
      padding: 30px;
      border-radius: var(--page-kkwinnohu-border-radius);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .page-kkwinnohu__faq-item {
      margin-bottom: 15px;
      border-bottom: 1px solid #444;
      padding-bottom: 15px;
    }

    .page-kkwinnohu__faq-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
      padding-bottom: 0;
    }

    .page-kkwinnohu__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      padding: 15px;
      background-color: #444;
      border-radius: var(--page-kkwinnohu-border-radius);
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-kkwinnohu__faq-question:hover {
      background-color: #555;
    }

    .page-kkwinnohu__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-kkwinnohu-accent-color);
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-kkwinnohu__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-kkwinnohu-secondary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-kkwinnohu__faq-item.active .page-kkwinnohu__faq-toggle {
      transform: rotate(45deg);
    }

    .page-kkwinnohu__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      background-color: #2a2a2a;
      border-radius: 0 0 var(--page-kkwinnohu-border-radius) var(--page-kkwinnohu-border-radius);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #ccc;
      font-size: 1em;
      opacity: 0;
    }

    .page-kkwinnohu__faq-item.active .page-kkwinnohu__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Call to Action */
    .page-kkwinnohu__cta-section {
      text-align: center;
      padding: 50px 20px;
      background: linear-gradient(90deg, var(--page-kkwinnohu-primary-color), var(--page-kkwinnohu-secondary-color));
      color: var(--page-kkwinnohu-text-color);
      border-radius: var(--page-kkwinnohu-border-radius);
      margin-top: 40px;
    }

    .page-kkwinnohu__cta-title {
      font-size: 2.2em;
      margin-bottom: 20px;
      color: var(--page-kkwinnohu-text-color);
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
    }

    .page-kkwinnohu__cta-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-kkwinnohu__cta-button {
      display: inline-block;
      background-color: var(--page-kkwinnohu-accent-color);
      color: var(--page-kkwinnohu-dark-text-color);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.3em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      border: none;
      cursor: pointer;
    }

    .page-kkwinnohu__cta-button:hover {
      background-color: #f0c200;
      transform: translateY(-3px);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-kkwinnohu__hero-section {
        padding-top: 10px; /* Adjusted for fixed header on mobile */
      }

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

      .page-kkwinnohu__hero-description {
        font-size: 1em;
      }

      .page-kkwinnohu__heading {
        font-size: 2em;
      }

      .page-kkwinnohu__subheading {
        font-size: 1.5em;
      }

      .page-kkwinnohu__section {
        padding: 40px 15px;
      }

      .page-kkwinnohu__game-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }

      .page-kkwinnohu__promo-card-grid {
        grid-template-columns: 1fr;
      }

      .page-kkwinnohu__floating-button {
        padding: 12px 20px;
        font-size: 1em;
        bottom: 15px;
        right: 15px;
      }

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

      .page-kkwinnohu__faq-answer {
        padding: 15px 15px !important; /* Important for mobile FAQ */
      }
    }

    /* Ensure all images are responsive */
    .page-kkwinnohu img {
      max-width: 100% !important;
      height: auto !important;
      box-sizing: border-box !important;
    }

    .page-kkwinnohu .page-kkwinnohu__hero-image-wrapper,
    .page-kkwinnohu .page-kkwinnohu__game-icon-wrapper,
    .page-kkwinnohu .page-kkwinnohu__game-logo-wrapper,
    .page-kkwinnohu .page-kkwinnohu__game-image-wrapper,
    .page-kkwinnohu .page-kkwinnohu__promo-image-wrapper {
      width: 100% !important;
      max-width: 100% !important;
      overflow: hidden !important;
      box-sizing: border-box !important;
    }

    @media (max-width: 768px) {
      .page-kkwinnohu img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-kkwinnohu .page-kkwinnohu__hero-image-wrapper,
      .page-kkwinnohu .page-kkwinnohu__game-icon-wrapper,
      .page-kkwinnohu .page-kkwinnohu__game-logo-wrapper,
      .page-kkwinnohu .page-kkwinnohu__game-image-wrapper,
      .page-kkwinnohu .page-kkwinnohu__promo-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
      }
    }