:root {
      --primary-color: #007bff;
      --secondary-color: #6c757d;
      --accent-color: #28a745;
      --light-bg: #f8f9fa;
      --dark-text: #212529;
      --white-text: #ffffff;
      --border-color: #dee2e6;
    }

    .page-smart-plan-599-free-phone-2025 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--dark-text);
      background-color: var(--light-bg);
    }

    .page-smart-plan-599-free-phone-2025__hero-section {
      background-color: #0056b3;
      color: var(--white-text);
      padding: 10px 20px 60px 20px; /* Minimal padding-top, assuming body padding is handled */
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 400px;
      position: relative;
      overflow: hidden;
    }

    .page-smart-plan-599-free-phone-2025__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.3;
      z-index: 1;
    }

    .page-smart-plan-599-free-phone-2025__hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-smart-plan-599-free-phone-2025__hero-title {
      font-size: 2.8em;
      margin-bottom: 20px;
      color: var(--white-text);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-smart-plan-599-free-phone-2025__hero-subtitle {
      font-size: 1.3em;
      margin-bottom: 30px;
      color: var(--white-text);
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
    }

    .page-smart-plan-599-free-phone-2025__cta-button {
      background-color: var(--accent-color);
      color: var(--white-text);
      padding: 15px 30px;
      border: none;
      border-radius: 5px;
      font-size: 1.1em;
      cursor: pointer;
      transition: background-color 0.3s ease;
      text-decoration: none;
      display: inline-block;
    }

    .page-smart-plan-599-free-phone-2025__cta-button:hover {
      background-color: #218838;
    }

    .page-smart-plan-599-free-phone-2025__section {
      padding: 60px 20px;
      max-width: 1200px;
      margin: 0 auto;
      background-color: var(--white-text);
      box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
      margin-bottom: 30px;
      border-radius: 8px;
    }

    .page-smart-plan-599-free-phone-2025__section--grey {
      background-color: var(--light-bg);
    }

    .page-smart-plan-599-free-phone-2025__section-title {
      font-size: 2.2em;
      color: var(--primary-color);
      margin-bottom: 40px;
      text-align: center;
      position: relative;
    }

    .page-smart-plan-599-free-phone-2025__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: -15px;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--accent-color);
      border-radius: 2px;
    }

    .page-smart-plan-599-free-phone-2025__content-text {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: var(--dark-text);
    }

    .page-smart-plan-599-free-phone-2025__feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-smart-plan-599-free-phone-2025__feature-item {
      background-color: var(--light-bg);
      border-radius: 8px;
      padding: 30px;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box; /* Crucial for mobile responsiveness */
    }

    .page-smart-plan-599-free-phone-2025__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    }

    .page-smart-plan-599-free-phone-2025__feature-icon {
      width: 250px; /* Minimum 200px */
      height: 200px; /* Minimum 200px */
      object-fit: contain;
      margin-bottom: 20px;
      max-width: 100%;
      height: auto;
    }

    .page-smart-plan-599-free-phone-2025__feature-heading {
      font-size: 1.4em;
      color: var(--primary-color);
      margin-bottom: 15px;
    }

    .page-smart-plan-599-free-phone-2025__feature-description {
      font-size: 1em;
      color: var(--secondary-color);
    }

    .page-smart-plan-599-free-phone-2025__steps-list {
      list-style: none;
      padding: 0;
      margin-top: 40px;
    }

    .page-smart-plan-599-free-phone-2025__step-item {
      display: flex;
      align-items: flex-start;
      margin-bottom: 30px;
      background-color: var(--white-text);
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      box-sizing: border-box; /* Crucial for mobile responsiveness */
    }

    .page-smart-plan-599-free-phone-2025__step-number {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--primary-color);
      background-color: var(--light-bg);
      border-radius: 50%;
      width: 50px;
      height: 50px;
      min-width: 50px; /* Ensure number doesn't shrink */
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 20px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    }

    .page-smart-plan-599-free-phone-2025__step-content {
      flex-grow: 1;
    }

    .page-smart-plan-599-free-phone-2025__step-heading {
      font-size: 1.3em;
      color: var(--dark-text);
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-smart-plan-599-free-phone-2025__step-description {
      font-size: 1em;
      color: var(--secondary-color);
    }

    .page-smart-plan-599-free-phone-2025__faq-container {
      margin-top: 40px;
    }

    .page-smart-plan-599-free-phone-2025__faq-item {
      background-color: var(--white-text);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
    }

    .page-smart-plan-599-free-phone-2025__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      user-select: none;
      background-color: #e9ecef;
      transition: background-color 0.3s ease;
    }

    .page-smart-plan-599-free-phone-2025__faq-question:hover {
      background-color: #dee2e6;
    }

    .page-smart-plan-599-free-phone-2025__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--dark-text);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-smart-plan-599-free-phone-2025__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-smart-plan-599-free-phone-2025__faq-item.active .page-smart-plan-599-free-phone-2025__faq-toggle {
      transform: rotate(45deg); /* Changes + to x or - */
    }

    .page-smart-plan-599-free-phone-2025__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);
      font-size: 1em;
    }

    .page-smart-plan-599-free-phone-2025__faq-item.active .page-smart-plan-599-free-phone-2025__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-smart-plan-599-free-phone-2025__final-cta-section {
      text-align: center;
      padding: 60px 20px;
      background-color: var(--primary-color);
      color: var(--white-text);
      border-radius: 8px;
      margin-top: 30px;
    }

    .page-smart-plan-599-free-phone-2025__final-cta-title {
      font-size: 2.5em;
      margin-bottom: 20px;
      color: var(--white-text);
    }

    .page-smart-plan-599-free-phone-2025__final-cta-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-smart-plan-599-free-phone-2025__hero-title {
        font-size: 2em;
      }

      .page-smart-plan-599-free-phone-2025__hero-subtitle {
        font-size: 1em;
      }

      .page-smart-plan-599-free-phone-2025__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-smart-plan-599-free-phone-2025__section {
        padding: 40px 15px;
      }

      .page-smart-plan-599-free-phone-2025__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
      }

      .page-smart-plan-599-free-phone-2025__content-text {
        font-size: 1em;
      }

      .page-smart-plan-599-free-phone-2025__feature-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 20px;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-smart-plan-599-free-phone-2025__feature-grid {
        gap: 20px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-smart-plan-599-free-phone-2025__feature-icon {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-smart-plan-599-free-phone-2025__step-item {
        flex-direction: column;
        align-items: center;
        padding: 20px;
        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;
        word-break: break-word !important;
      }

      .page-smart-plan-599-free-phone-2025__step-number {
        margin-right: 0;
        margin-bottom: 15px;
      }

      .page-smart-plan-599-free-phone-2025__step-content {
        text-align: center;
        width: 100%;
      }

      .page-smart-plan-599-free-phone-2025__steps-list {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-smart-plan-599-free-phone-2025__faq-question {
        padding: 15px 20px;
      }

      .page-smart-plan-599-free-phone-2025__faq-question h3 {
        font-size: 1.1em;
      }

      .page-smart-plan-599-free-phone-2025__faq-answer {
        padding: 0 20px;
      }

      .page-smart-plan-599-free-phone-2025__faq-item.active .page-smart-plan-599-free-phone-2025__faq-answer {
        padding: 15px 20px !important;
      }

      .page-smart-plan-599-free-phone-2025__final-cta-title {
        font-size: 2em;
      }

      .page-smart-plan-599-free-phone-2025__final-cta-description {
        font-size: 1em;
      }
    }

    @media (max-width: 480px) {
      .page-smart-plan-599-free-phone-2025__hero-title {
        font-size: 1.8em;
      }

      .page-smart-plan-599-free-phone-2025__section-title {
        font-size: 1.6em;
      }
    }