:root {
      --primary-color: #e44d26; /* A vibrant, energetic color */
      --secondary-color: #333;
      --accent-color: #fdd835; /* Gold/Yellow for highlights */
      --text-color-light: #f8f8f8;
      --text-color-dark: #222;
      --background-dark: #1a1a1a;
      --background-light: #f0f2f5;
      --border-radius-small: 8px;
      --border-radius-medium: 12px;
    }

    /* Base styles for the page container */
    .page-yy777-ph-login {
      font-family: 'Arial', sans-serif;
      color: var(--text-color-dark);
      line-height: 1.6;
      background-color: var(--background-light);
      padding-bottom: 40px;
    }

    .page-yy777-ph-login__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-yy777-ph-login__section-dark {
      background-color: var(--background-dark);
      color: var(--text-color-light);
    }

    .page-yy777-ph-login__section-title {
      font-size: 2.5em;
      color: var(--primary-color);
      text-align: center;
      margin-bottom: 30px;
      font-weight: bold;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .page-yy777-ph-login__section-title-light {
      color: var(--accent-color);
    }

    .page-yy777-ph-login__text-center {
      text-align: center;
    }

    /* Hero Section */
    .page-yy777-ph-login__hero-section {
      position: relative;
      padding-top: 10px; /* Small decorative top padding, assuming body already handles header offset */
      padding-bottom: 80px;
      color: var(--text-color-light);
      text-align: center;
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 60vh;
      overflow: hidden;
    }

    .page-yy777-ph-login__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -1;
      filter: brightness(0.6); /* Darken background image for text readability */
    }

    .page-yy777-ph-login__hero-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
      padding: 20px;
      background: rgba(0, 0, 0, 0.4);
      border-radius: var(--border-radius-medium);
    }

    .page-yy777-ph-login__hero-title {
      font-size: 3.5em;
      margin-bottom: 20px;
      font-weight: 900;
      line-height: 1.1;
      color: var(--accent-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-yy777-ph-login__hero-subtitle {
      font-size: 1.4em;
      margin-bottom: 30px;
      color: var(--text-color-light);
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

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

    .page-yy777-ph-login__cta-button:hover {
      background-color: #c43d1a;
      transform: translateY(-2px);
    }

    /* Features Section */
    .page-yy777-ph-login__feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-yy777-ph-login__feature-item {
      background-color: #fff;
      padding: 30px;
      border-radius: var(--border-radius-medium);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box; /* Ensure padding is included in width */
    }

    .page-yy777-ph-login__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-yy777-ph-login__feature-icon {
      width: 100%;
      max-width: 250px;
      height: auto;
      margin-bottom: 20px;
      border-radius: var(--border-radius-small);
      object-fit: cover;
    }

    .page-yy777-ph-login__feature-title {
      font-size: 1.5em;
      color: var(--primary-color);
      margin-bottom: 15px;
    }

    .page-yy777-ph-login__feature-description {
      font-size: 1em;
      color: var(--secondary-color);
    }

    /* How to Login Section */
    .page-yy777-ph-login__step-by-step {
      display: flex;
      flex-direction: column;
      gap: 25px;
      margin-top: 40px;
    }

    .page-yy777-ph-login__step-item {
      background-color: var(--background-dark);
      color: var(--text-color-light);
      padding: 25px;
      border-radius: var(--border-radius-medium);
      display: flex;
      align-items: flex-start;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      box-sizing: border-box; /* Ensure padding is included in width */
    }

    .page-yy777-ph-login__step-number {
      background-color: var(--primary-color);
      color: var(--text-color-light);
      width: 40px;
      height: 40px;
      min-width: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4em;
      font-weight: bold;
      margin-right: 20px;
      flex-shrink: 0;
    }

    .page-yy777-ph-login__step-content h3 {
      font-size: 1.6em;
      color: var(--accent-color);
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-yy777-ph-login__step-content p {
      font-size: 1.1em;
      color: #ccc;
    }

    /* Game Providers Section */
    .page-yy777-ph-login__provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 25px;
      margin-top: 40px;
    }

    .page-yy777-ph-login__provider-card {
      background-color: #fff;
      padding: 20px;
      border-radius: var(--border-radius-medium);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      text-align: center;
      transition: transform 0.2s ease;
      box-sizing: border-box; /* Ensure padding is included in width */
    }

    .page-yy777-ph-login__provider-card:hover {
      transform: translateY(-3px);
    }

    .page-yy777-ph-login__provider-logo {
      width: 100%;
      max-width: 200px;
      height: auto;
      margin-bottom: 15px;
      object-fit: contain;
    }

    .page-yy777-ph-login__provider-name {
      font-size: 1.2em;
      font-weight: bold;
      color: var(--secondary-color);
    }

    /* Promotions Section */
    .page-yy777-ph-login__promotion-banner {
      background: linear-gradient(135deg, var(--primary-color), #f76c4a);
      color: var(--text-color-light);
      padding: 40px;
      border-radius: var(--border-radius-medium);
      text-align: center;
      margin-top: 50px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    }

    .page-yy777-ph-login__promotion-title {
      font-size: 2.2em;
      margin-bottom: 15px;
      color: var(--text-color-light);
    }

    .page-yy777-ph-login__promotion-text {
      font-size: 1.2em;
      margin-bottom: 25px;
    }

    /* FAQ Section */
    .page-yy777-ph-login__faq-section {
      margin-top: 50px;
    }

    .page-yy777-ph-login__faq-list {
      list-style: none;
      padding: 0;
      margin-top: 30px;
    }

    .page-yy777-ph-login__faq-item {
      background-color: #fff;
      margin-bottom: 15px;
      border-radius: var(--border-radius-medium);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-yy777-ph-login__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      font-size: 1.25em;
      font-weight: bold;
      color: var(--secondary-color);
      cursor: pointer;
      user-select: none;
      background-color: #fcfcfc;
      border-bottom: 1px solid #eee;
      transition: background-color 0.3s ease;
    }

    .page-yy777-ph-login__faq-question:hover {
      background-color: #f5f5f5;
    }

    .page-yy777-ph-login__faq-question h3 {
      margin: 0;
      font-size: 1em; /* Inherit from parent, adjust as needed */
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-yy777-ph-login__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      margin-left: 15px;
      color: var(--primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

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

    .page-yy777-ph-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: var(--secondary-color);
    }

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

    /* External Link Button */
    .page-yy777-ph-login__external-link-button {
      background-color: var(--accent-color);
      color: var(--background-dark);
      padding: 15px 30px;
      border-radius: var(--border-radius-small);
      text-decoration: none;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      display: inline-block;
      margin-top: 20px;
      border: none;
      cursor: pointer;
    }

    .page-yy777-ph-login__external-link-button:hover {
      background-color: #fbc02d;
      transform: translateY(-2px);
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
      .page-yy777-ph-login__hero-title {
        font-size: 3em;
      }
      .page-yy777-ph-login__section-title {
        font-size: 2em;
      }
    }

    @media (max-width: 768px) {
      .page-yy777-ph-login__section {
        padding: 30px 15px;
      }

      .page-yy777-ph-login__hero-title {
        font-size: 2.5em;
      }

      .page-yy777-ph-login__hero-subtitle {
        font-size: 1.2em;
      }

      .page-yy777-ph-login__cta-button,
      .page-yy777-ph-login__external-link-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }

      .page-yy777-ph-login__feature-grid,
      .page-yy777-ph-login__provider-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-yy777-ph-login__feature-item,
      .page-yy777-ph-login__step-item,
      .page-yy777-ph-login__provider-card,
      .page-yy777-ph-login__promotion-banner,
      .page-yy777-ph-login__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }

      .page-yy777-ph-login__faq-question {
        font-size: 1.1em;
        padding: 15px 20px;
      }

      .page-yy777-ph-login__faq-answer {
        padding: 0 20px;
      }

      .page-yy777-ph-login__faq-item.active .page-yy777-ph-login__faq-answer {
        padding: 15px 20px !important;
      }

      .page-yy777-ph-login__step-content h3 {
        font-size: 1.4em;
      }

      .page-yy777-ph-login__step-content p {
        font-size: 1em;
      }

      .page-yy777-ph-login__promotion-title {
        font-size: 1.8em;
      }

      .page-yy777-ph-login__promotion-text {
        font-size: 1em;
      }

      .page-yy777-ph-login__feature-icon,
      .page-yy777-ph-login__provider-logo {
        max-width: 180px;
      }
    }

    @media (max-width: 480px) {
      .page-yy777-ph-login__hero-title {
        font-size: 2em;
      }
      .page-yy777-ph-login__hero-subtitle {
        font-size: 1em;
      }
      .page-yy777-ph-login__section-title {
        font-size: 1.8em;
      }
      .page-yy777-ph-login__faq-question {
        font-size: 1em;
      }
      .page-yy777-ph-login__faq-toggle {
        font-size: 1.5em;
      }
    }