:root {
      --page-kkwin88-primary-color: #e44d26; /* Một màu cam đỏ nổi bật */
      --page-kkwin88-secondary-color: #333;
      --page-kkwin88-accent-color: #f7b731; /* Màu vàng cam */
      --page-kkwin88-text-color: #eee;
      --page-kkwin88-bg-color: #1a1a1a;
      --page-kkwin88-card-bg: #2a2a2a;
      --page-kkwin88-border-radius: 8px;
    }

    body {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-kkwin88-text-color);
      background-color: var(--page-kkwin88-bg-color);
      margin: 0;
      padding: 0;
    }

    .page-kkwin88__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-kkwin88__hero-section {
      text-align: center;
      padding: 10px 0 40px 0; /* Adjusted padding-top for fixed header */
      background-color: var(--page-kkwin88-secondary-color);
      position: relative;
      overflow: hidden;
    }

    .page-kkwin88__hero-image {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: var(--page-kkwin88-border-radius);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-kkwin88__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
      margin-top: -80px; /* Overlap with image for better visual flow */
      background: linear-gradient(to top, var(--page-kkwin88-bg-color) 0%, rgba(26, 26, 26, 0.8) 50%, rgba(26, 26, 26, 0) 100%);
      border-radius: var(--page-kkwin88-border-radius);
    }

    .page-kkwin88__hero-title {
      font-size: 2.8em;
      color: var(--page-kkwin88-primary-color);
      margin-bottom: 10px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-kkwin88__hero-subtitle {
      font-size: 1.4em;
      color: var(--page-kkwin88-accent-color);
      margin-bottom: 20px;
    }

    .page-kkwin88__button {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--page-kkwin88-primary-color);
      color: #fff;
      text-decoration: none;
      border-radius: 50px;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-kkwin88__button:hover {
      background-color: #ff6a00;
      transform: translateY(-2px);
    }

    .page-kkwin88__section {
      padding: 60px 0;
      text-align: center;
    }

    .page-kkwin88__section-title {
      font-size: 2.2em;
      color: var(--page-kkwin88-primary-color);
      margin-bottom: 40px;
      position: relative;
      display: inline-block;
    }

    .page-kkwin88__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: -10px;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background-color: var(--page-kkwin88-accent-color);
      border-radius: 2px;
    }

    .page-kkwin88__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-kkwin88__game-item {
      background-color: var(--page-kkwin88-card-bg);
      border-radius: var(--page-kkwin88-border-radius);
      padding: 20px 15px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
    }

    .page-kkwin88__game-item:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    }

    .page-kkwin88__game-icon {
      width: 100%;
      max-width: 150px; /* Max width for game icons */
      height: auto;
      margin-bottom: 15px;
      border-radius: var(--page-kkwin88-border-radius);
      object-fit: contain;
    }

    .page-kkwin88__game-title {
      font-size: 1.1em;
      color: #fff;
      font-weight: bold;
      margin: 0;
    }

    .page-kkwin88__floating-promo {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-kkwin88-accent-color);
      color: var(--page-kkwin88-secondary-color);
      padding: 12px 20px;
      border-radius: 50px;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      font-weight: bold;
      font-size: 1.1em;
      text-align: center;
      cursor: pointer;
      transition: transform 0.3s ease;
      display: flex;
      align-items: center;
      gap: 10px;
      white-space: nowrap; /* Prevent text wrapping */
    }

    .page-kkwin88__floating-promo:hover {
      transform: translateX(-50%) translateY(-5px);
    }

    .page-kkwin88__floating-promo::before {
      content: '🎁';
      font-size: 1.2em;
    }

    .page-kkwin88__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-kkwin88__feature-item {
      background-color: var(--page-kkwin88-card-bg);
      border-radius: var(--page-kkwin88-border-radius);
      padding: 30px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      text-align: left;
      transition: background-color 0.3s ease;
    }

    .page-kkwin88__feature-item:hover {
      background-color: #3a3a3a;
    }

    .page-kkwin88__feature-icon {
      width: 100%;
      max-width: 80px;
      height: auto;
      margin-bottom: 20px;
      filter: drop-shadow(0 0 5px var(--page-kkwin88-primary-color));
    }

    .page-kkwin88__feature-title {
      font-size: 1.4em;
      color: var(--page-kkwin88-accent-color);
      margin-bottom: 15px;
    }

    .page-kkwin88__feature-description {
      color: var(--page-kkwin88-text-color);
      font-size: 0.95em;
    }

    .page-kkwin88__guide-section {
      background-color: #222;
      padding: 60px 0;
    }

    .page-kkwin88__guide-steps {
      display: flex;
      flex-direction: column;
      gap: 30px;
      margin-top: 40px;
    }

    .page-kkwin88__guide-step {
      background-color: var(--page-kkwin88-card-bg);
      border-radius: var(--page-kkwin88-border-radius);
      padding: 25px;
      text-align: left;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      display: flex;
      align-items: flex-start;
      gap: 20px;
    }

    .page-kkwin88__step-number {
      font-size: 2.5em;
      font-weight: bold;
      color: var(--page-kkwin88-primary-color);
      line-height: 1;
    }

    .page-kkwin88__step-content {
      flex: 1;
    }

    .page-kkwin88__step-title {
      font-size: 1.3em;
      color: var(--page-kkwin88-accent-color);
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-kkwin88__step-description {
      color: var(--page-kkwin88-text-color);
      font-size: 0.95em;
    }

    .page-kkwin88__faq-section {
      padding: 60px 0;
    }

    .page-kkwin88__faq-list {
      max-width: 800px;
      margin: 40px auto 0 auto;
      text-align: left;
    }

    .page-kkwin88__faq-item {
      background-color: var(--page-kkwin88-card-bg);
      margin-bottom: 15px;
      border-radius: var(--page-kkwin88-border-radius);
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-kkwin88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 25px;
      background-color: #3a3a3a;
      cursor: pointer;
      user-select: none;
      font-weight: bold;
      color: #fff;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
    }

    .page-kkwin88__faq-question:hover {
      background-color: #4a4a4a;
    }

    .page-kkwin88__faq-question h3 {
      margin: 0;
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click */
      color: #fff; /* Ensure contrast */
    }

    .page-kkwin88__faq-toggle {
      font-size: 1.5em;
      margin-left: 15px;
      color: var(--page-kkwin88-primary-color);
      pointer-events: none; /* Prevent toggle from blocking click */
      transition: transform 0.3s ease;
    }

    .page-kkwin88__faq-item.active .page-kkwin88__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' visually */
      color: var(--page-kkwin88-accent-color);
    }

    .page-kkwin88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      color: var(--page-kkwin88-text-color);
      font-size: 0.95em;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-kkwin88__faq-item.active .page-kkwin88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-kkwin88__cta-section {
      background-color: var(--page-kkwin88-primary-color);
      padding: 80px 0;
      color: #fff;
      text-align: center;
    }

    .page-kkwin88__cta-title {
      font-size: 2.5em;
      margin-bottom: 20px;
    }

    .page-kkwin88__cta-description {
      font-size: 1.2em;
      margin-bottom: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-kkwin88__hero-section {
        padding-top: 10px; /* Adjust for mobile fixed header */
      }
      .page-kkwin88__hero-title {
        font-size: 2em;
      }
      .page-kkwin88__hero-subtitle {
        font-size: 1.1em;
      }
      .page-kkwin88__section-title {
        font-size: 1.8em;
      }
      .page-kkwin88__game-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 15px;
      }
      .page-kkwin88__game-icon {
        max-width: 100px;
      }
      .page-kkwin88__game-title {
        font-size: 0.9em;
      }
      .page-kkwin88__features-grid {
        grid-template-columns: 1fr;
      }
      .page-kkwin88__guide-step {
        flex-direction: column;
        text-align: center;
      }
      .page-kkwin88__step-number {
        margin-bottom: 10px;
      }
      .page-kkwin88__faq-question {
        font-size: 1em;
        padding: 15px 20px;
      }
      .page-kkwin88__faq-answer {
        padding: 0 20px;
      }
      .page-kkwin88__faq-item.active .page-kkwin88__faq-answer {
        padding: 15px 20px !important;
      }
      .page-kkwin88__cta-title {
        font-size: 2em;
      }
      .page-kkwin88__cta-description {
        font-size: 1em;
      }
      .page-kkwin88__floating-promo {
        padding: 10px 15px;
        font-size: 0.9em;
        bottom: 15px;
      }
      .page-kkwin88__floating-promo::before {
        font-size: 1em;
      }
    }

    /* Ensure all images are responsive */
    .page-kkwin88 img {
      max-width: 100%;
      height: auto;
      box-sizing: border-box;
    }
    .page-kkwin88__image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      display: block; /* Ensures it takes up full width */
    }

    @media (max-width: 768px) {
      .page-kkwin88 img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-kkwin88__image-container {
        width: 100% !important;
        max-width: 100% !important;
      }
    }