:root {
      --primary-color: #FFD700; /* Gold */
      --secondary-color: #007BFF; /* Blue */
      --text-color: #333333; /* Dark Grey */
      --light-text-color: #FFFFFF; /* White */
      --background-light: #F8F9FA; /* Light Grey Background */
      --background-dark: #212529; /* Dark Background */
      --accent-color: #28A745; /* Green for success/CTA */
      --border-color: #DDDDDD; /* Light border */
    }

    .page-yy777-app-login {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--text-color);
      background-color: var(--background-light);
    }

    .page-yy777-app-login__section-title {
      font-size: 2.5em;
      color: var(--text-color);
      text-align: center;
      margin-bottom: 40px;
      position: relative;
      padding-bottom: 15px;
      font-weight: 700;
    }

    .page-yy777-app-login__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--primary-color);
      border-radius: 2px;
    }

    .page-yy777-app-login__section-description {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px auto;
      font-size: 1.1em;
      color: #555555;
    }

    /* Hero Section */
    .page-yy777-app-login__hero-section {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 10px 20px 60px; /* 10px for body padding-top compensation */
      background: linear-gradient(135deg, var(--background-dark), #495057);
      color: var(--light-text-color);
      min-height: 60vh;
      box-sizing: border-box;
    }

    .page-yy777-app-login__hero-content {
      max-width: 900px;
      margin-bottom: 30px;
    }

    .page-yy777-app-login__hero-title {
      font-size: 3.5em;
      margin-bottom: 20px;
      font-weight: 800;
      color: var(--primary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-yy777-app-login__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      color: #E0E0E0;
    }

    .page-yy777-app-login__cta-button {
      display: inline-block;
      background-color: var(--accent-color);
      color: var(--light-text-color);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-yy777-app-login__cta-button:hover {
      background-color: #218838; /* Darker green */
      transform: translateY(-3px);
    }

    .page-yy777-app-login__hero-image-wrapper {
      width: 100%;
      max-width: 600px;
      margin-top: 30px;
      overflow: hidden;
      border-radius: 15px;
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
      box-sizing: border-box;
    }

    .page-yy777-app-login__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* Features Section */
    .page-yy777-app-login__features-section {
      padding: 80px 20px;
      background-color: var(--light-text-color);
      text-align: center;
    }

    .page-yy777-app-login__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-yy777-app-login__feature-item {
      background-color: #FFFFFF;
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-yy777-app-login__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-yy777-app-login__feature-icon {
      width: 250px; /* Min 200px requirement */
      height: 180px; /* Min 200px requirement */
      object-fit: contain;
      margin-bottom: 20px;
      max-width: 100%;
      height: auto;
    }

    .page-yy777-app-login__feature-title {
      font-size: 1.8em;
      color: var(--secondary-color);
      margin-bottom: 15px;
      font-weight: 600;
    }

    .page-yy777-app-login__feature-description {
      font-size: 1.1em;
      color: #666666;
    }

    /* How-To Section */
    .page-yy777-app-login__how-to-section {
      padding: 80px 20px;
      background-color: var(--background-light);
      text-align: center;
    }

    .page-yy777-app-login__steps-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-yy777-app-login__step-item {
      background-color: #FFFFFF;
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
      text-align: center;
      box-sizing: border-box;
    }

    .page-yy777-app-login__step-number {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 60px;
      height: 60px;
      border-radius: 50%;
      background-color: var(--primary-color);
      color: var(--background-dark);
      font-size: 2em;
      font-weight: bold;
      margin-bottom: 20px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-yy777-app-login__step-title {
      font-size: 1.6em;
      color: var(--text-color);
      margin-bottom: 10px;
      font-weight: 600;
    }

    .page-yy777-app-login__step-description {
      font-size: 1em;
      color: #666666;
    }

    /* Providers & Payments Section */
    .page-yy777-app-login__providers-payments-section {
      padding: 80px 20px;
      background-color: #FFFFFF;
      text-align: center;
    }

    .page-yy777-app-login__logos-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      max-width: 1200px;
      margin: 40px auto 0 auto;
    }

    .page-yy777-app-login__logo-item {
      width: 250px; /* Min 200px requirement */
      height: 150px; /* Min 200px requirement */
      object-fit: contain;
      padding: 15px;
      background-color: #F0F0F0;
      border-radius: 8px;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
      transition: transform 0.2s ease;
      box-sizing: border-box;
    }

    .page-yy777-app-login__logo-item:hover {
      transform: translateY(-3px);
    }

    /* FAQ Section */
    .page-yy777-app-login__faq-section {
      padding: 80px 20px;
      background-color: var(--background-light);
    }

    .page-yy777-app-login__faq-container {
      max-width: 900px;
      margin: 0 auto;
    }

    .page-yy777-app-login__faq-item {
      background-color: #FFFFFF;
      margin-bottom: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      overflow: hidden;
    }

    .page-yy777-app-login__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      user-select: none;
      background-color: #FDFDFD;
      border-bottom: 1px solid var(--border-color);
      transition: background-color 0.3s ease;
    }

    .page-yy777-app-login__faq-question:hover {
      background-color: #F0F0F0;
    }

    .page-yy777-app-login__faq-title {
      font-size: 1.3em;
      color: var(--text-color);
      margin: 0;
      font-weight: 600;
      pointer-events: none; /* Prevent h3 from blocking click on parent div */
    }

    .page-yy777-app-login__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent span from blocking click on parent div */
    }

    .page-yy777-app-login__faq-item.active .page-yy777-app-login__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-yy777-app-login__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.3s ease;
      color: #555555;
      font-size: 1.05em;
    }

    .page-yy777-app-login__faq-item.active .page-yy777-app-login__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Call to Action Section (Bottom) */
    .page-yy777-app-login__cta-section {
      padding: 80px 20px;
      background: linear-gradient(135deg, var(--secondary-color), #0056b3);
      color: var(--light-text-color);
      text-align: center;
    }

    .page-yy777-app-login__cta-title {
      font-size: 3em;
      margin-bottom: 20px;
      font-weight: 700;
      color: var(--primary-color);
    }

    .page-yy777-app-login__cta-description {
      font-size: 1.2em;
      max-width: 800px;
      margin: 0 auto 40px auto;
      color: #E0E0E0;
    }

    .page-yy777-app-login__cta-button--large {
      padding: 18px 35px;
      font-size: 1.3em;
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
      .page-yy777-app-login__hero-title {
        font-size: 3em;
      }
      .page-yy777-app-login__section-title {
        font-size: 2.2em;
      }
      .page-yy777-app-login__cta-title {
        font-size: 2.5em;
      }
    }

    @media (max-width: 768px) {
      .page-yy777-app-login__hero-section {
        padding-top: 10px; /* Adjust for potential header offset */
        min-height: unset;
      }
      .page-yy777-app-login__hero-content {
        margin-bottom: 20px;
      }
      .page-yy777-app-login__hero-title {
        font-size: 2.5em;
      }
      .page-yy777-app-login__hero-description {
        font-size: 1.1em;
      }
      .page-yy777-app-login__cta-button {
        font-size: 1.1em;
        padding: 12px 25px;
      }
      .page-yy777-app-login__section-title {
        font-size: 2em;
        margin-bottom: 30px;
      }
      .page-yy777-app-login__section-description {
        font-size: 1em;
        margin-bottom: 40px;
      }
      .page-yy777-app-login__features-grid,
      .page-yy777-app-login__steps-container {
        grid-template-columns: 1fr;
      }
      .page-yy777-app-login__feature-item,
      .page-yy777-app-login__step-item {
        padding: 25px;
        box-sizing: border-box !important;
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      /* Image responsiveness for mobile */
      .page-yy777-app-login__hero-image-wrapper,
      .page-yy777-app-login__feature-icon,
      .page-yy777-app-login__logo-item {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
      }
      .page-yy777-app-login__hero-image,
      .page-yy777-app-login__feature-icon,
      .page-yy777-app-login__logo-item {
        max-width: 100% !important;
        height: auto !important;
        object-fit: contain !important; /* Ensure content fits */
      }
      .page-yy777-app-login__logos-grid {
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-yy777-app-login__logo-item {
        width: calc(50% - 20px) !important; /* Two columns on mobile */
      }
      .page-yy777-app-login__faq-question {
        padding: 15px 20px;
      }
      .page-yy777-app-login__faq-title {
        font-size: 1.1em;
      }
      .page-yy777-app-login__faq-answer {
        padding: 0 20px;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
      .page-yy777-app-login__faq-item.active .page-yy777-app-login__faq-answer {
        padding: 15px 20px !important;
      }
      .page-yy777-app-login__cta-title {
        font-size: 2em;
      }
      .page-yy777-app-login__cta-description {
        font-size: 1em;
      }
      .page-yy777-app-login__cta-button--large {
        padding: 15px 30px;
        font-size: 1.1em;
      }
    }

    @media (max-width: 480px) {
      .page-yy777-app-login__hero-title {
        font-size: 2em;
      }
      .page-yy777-app-login__section-title {
        font-size: 1.8em;
      }
      .page-yy777-app-login__faq-question {
        padding: 12px 15px;
      }
      .page-yy777-app-login__faq-title {
        font-size: 1em;
      }
      .page-yy777-app-login__faq-answer {
        padding: 0 15px;
      }
      .page-yy777-app-login__faq-item.active .page-yy777-app-login__faq-answer {
        padding: 10px 15px !important;
      }
      .page-yy777-app-login__logo-item {
        width: 100% !important; /* Single column on very small screens */
      }
    }