/* Tổng quan */
    .page-kubetlogin {
      font-family: 'Arial', sans-serif;
      color: #333333;
      background-color: #f8f9fa;
      line-height: 1.6;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .page-kubetlogin__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      width: 100%;
      box-sizing: border-box;
    }

    .page-kubetlogin__section {
      padding: 40px 0;
      width: 100%;
      text-align: center;
    }

    .page-kubetlogin__section--light-bg {
      background-color: #ffffff;
    }

    .page-kubetlogin__section--dark-bg {
      background-color: #f0f2f5;
    }

    .page-kubetlogin__heading {
      color: #2c3e50;
      margin-bottom: 25px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-kubetlogin__subheading {
      color: #e74c3c;
      margin-bottom: 20px;
      font-size: 1.8em;
      font-weight: 600;
    }

    .page-kubetlogin__text {
      font-size: 1.1em;
      margin-bottom: 15px;
      line-height: 1.8;
    }

    .page-kubetlogin__button {
      display: inline-block;
      background-color: #e74c3c;
      color: #ffffff;
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      margin-top: 20px;
    }

    .page-kubetlogin__button:hover {
      background-color: #c0392b;
      transform: translateY(-2px);
    }

    .page-kubetlogin__image {
      max-width: 100%;
      height: auto;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      display: block;
      margin: 20px auto;
    }

    /* Hero Section */
    .page-kubetlogin__hero-section {
      background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
      color: #ffffff;
      padding: 60px 0; /* Adjusted padding-top for fixed header */
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .page-kubetlogin__hero-content {
      position: relative;
      z-index: 2;
      padding-top: 10px; /* Desktop padding for fixed header */
    }

    .page-kubetlogin__hero-heading {
      font-size: 3em;
      margin-bottom: 15px;
      line-height: 1.2;
      color: #f39c12; /* Gold color for emphasis */
    }

    .page-kubetlogin__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      color: #ecf0f1;
    }

    .page-kubetlogin__hero-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        margin-top: 30px;
    }
    .page-kubetlogin__hero-image {
        max-width: 100%;
        height: auto;
        border-radius: 10px;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    }


    /* Floating Login Button */
    .page-kubetlogin__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #f39c12; /* Gold color for promotion */
      color: #ffffff;
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      transition: background-color 0.3s ease, transform 0.2s ease;
      z-index: 1000;
      animation: page-kubetlogin__pulse 2s infinite;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .page-kubetlogin__floating-button:hover {
      background-color: #e67e22;
      transform: scale(1.05);
      animation: none;
    }

    @keyframes page-kubetlogin__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* Game Categories */
    .page-kubetlogin__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-kubetlogin__game-card {
      background-color: #ffffff;
      border-radius: 10px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
      padding: 25px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    .page-kubetlogin__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
    }

    .page-kubetlogin__game-icon {
      width: 150px; /* Minimum size requirement */
      height: 150px; /* Minimum size requirement */
      object-fit: contain;
      margin-bottom: 15px;
    }

    .page-kubetlogin__game-title {
      font-size: 1.4em;
      color: #2c3e50;
      margin-bottom: 10px;
      font-weight: 700;
    }

    .page-kubetlogin__game-description {
      font-size: 0.95em;
      color: #555555;
    }

    /* How to Login/Register */
    .page-kubetlogin__steps-list {
      list-style: none;
      padding: 0;
      margin: 30px auto;
      max-width: 800px;
    }

    .page-kubetlogin__step-item {
      background-color: #ffffff;
      border-left: 5px solid #e74c3c;
      margin-bottom: 20px;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      text-align: left;
    }

    .page-kubetlogin__step-title {
      font-size: 1.3em;
      color: #2c3e50;
      margin-bottom: 10px;
      font-weight: 700;
    }

    .page-kubetlogin__step-image {
        max-width: 100%;
        height: auto;
        border-radius: 8px;
        margin-top: 15px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }

    /* FAQ Section */
    .page-kubetlogin__faq-list {
      max-width: 900px;
      margin: 30px auto;
      text-align: left;
    }

    .page-kubetlogin__faq-item {
      background-color: #ffffff;
      margin-bottom: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      overflow: hidden;
    }

    .page-kubetlogin__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px;
      background-color: #f0f2f5;
      cursor: pointer;
      user-select: none;
      border-bottom: 1px solid #e0e0e0;
      transition: background-color 0.3s ease;
    }

    .page-kubetlogin__faq-question:hover {
      background-color: #e8eaed;
    }

    .page-kubetlogin__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: #2c3e50;
      pointer-events: none; /* Prevent h3 from blocking click event on parent */
    }

    .page-kubetlogin__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: #e74c3c;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event on parent */
    }

    .page-kubetlogin__faq-item.active .page-kubetlogin__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-kubetlogin__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #555555;
      font-size: 1em;
      text-align: left;
    }

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

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-kubetlogin__hero-content {
        padding-top: 10px; /* Mobile padding for fixed header */
      }
      .page-kubetlogin__hero-heading {
        font-size: 2.2em;
      }

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

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

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

      .page-kubetlogin__button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-kubetlogin__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 0.9em;
      }

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

      .page-kubetlogin__game-icon {
        width: 120px;
        height: 120px;
      }
      .page-kubetlogin__image,
      .page-kubetlogin__hero-image,
      .page-kubetlogin__step-image {
          max-width: 100% !important;
          height: auto !important;
          width: 100% !important;
      }
      .page-kubetlogin__hero-image-wrapper {
          width: 100% !important;
          max-width: 100% !important;
          overflow: hidden !important;
          box-sizing: border-box !important;
      }
    }