:root {
      --page-primary-color: #007bff; /* Xanh dương */
      --page-secondary-color: #6c757d; /* Xám */
      --page-accent-color: #ffc107; /* Vàng */
      --page-text-color: #333;
      --page-light-text-color: #555;
      --page-background-color: #f8f9fa; /* Xám nhạt */
      --page-white: #ffffff;
      --page-dark: #212529;
      --page-border-color: #dee2e6;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-text-color);
      background-color: var(--page-background-color);
      padding: 20px 0;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__hero-section {
      background: linear-gradient(135deg, var(--page-primary-color), #0056b3);
      color: var(--page-white);
      padding: 120px 0 60px; /* Adjusted padding-top for fixed header */
      text-align: center;
      margin-bottom: 40px;
      position: relative;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-image: url('[GALLERY:pattern:geometric,abstract,light]');
        background-size: cover;
        opacity: 0.1;
        z-index: 0;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__hero-title {
      font-size: 2.8em;
      margin-bottom: 20px;
      line-height: 1.2;
      color: var(--page-white);
    }
    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__hero-title a {
        color: var(--page-accent-color);
        text-decoration: none;
    }
    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__hero-title a:hover {
        text-decoration: underline;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      color: rgba(255, 255, 255, 0.9);
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__cta-button {
      display: inline-block;
      background-color: var(--page-accent-color);
      color: var(--page-dark);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__cta-button:hover {
      background-color: #e0a800;
      transform: translateY(-2px);
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__section {
      background-color: var(--page-white);
      padding: 40px;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__section-title {
      font-size: 2em;
      color: var(--page-primary-color);
      margin-bottom: 25px;
      text-align: center;
      position: relative;
      padding-bottom: 10px;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-accent-color);
      border-radius: 2px;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__step-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-wrap: wrap;
      gap: 30px;
      justify-content: center;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__step-item {
      background-color: var(--page-background-color);
      border-radius: 8px;
      padding: 30px;
      flex: 1 1 calc(33% - 20px); /* 3 items per row on desktop */
      min-width: 300px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      position: relative;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__step-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__step-number {
      font-size: 2.5em;
      font-weight: bold;
      color: var(--page-primary-color);
      margin-bottom: 15px;
      width: 70px;
      height: 70px;
      border-radius: 50%;
      background-color: var(--page-accent-color);
      color: var(--page-dark);
      display: flex;
      justify-content: center;
      align-items: center;
      flex-shrink: 0;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__step-title {
      font-size: 1.4em;
      color: var(--page-primary-color);
      margin-bottom: 15px;
      font-weight: bold;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__step-description {
      font-size: 1em;
      color: var(--page-light-text-color);
      flex-grow: 1;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      margin-top: 20px;
      margin-bottom: 20px;
      display: block;
      object-fit: cover; /* Ensures images cover their area without distortion */
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__info-block {
      background-color: #e9f7ff; /* Light blue */
      border-left: 5px solid var(--page-primary-color);
      padding: 20px;
      margin-bottom: 25px;
      border-radius: 5px;
      color: var(--page-text-color);
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__info-block h3 {
      color: var(--page-primary-color);
      margin-top: 0;
      margin-bottom: 10px;
      font-size: 1.3em;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__list {
      list-style: disc;
      padding-left: 20px;
      margin-bottom: 20px;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__list-item {
      margin-bottom: 10px;
      color: var(--page-light-text-color);
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__attention-box {
      background-color: #fff3cd; /* Light yellow */
      border-left: 5px solid var(--page-accent-color);
      padding: 20px;
      margin-bottom: 25px;
      border-radius: 5px;
      color: #664d03; /* Dark yellow text */
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__attention-box h3 {
      color: #856404; /* Darker yellow text */
      margin-top: 0;
      margin-bottom: 10px;
      font-size: 1.3em;
    }

    .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__conclusion-text {
        font-size: 1.1em;
        text-align: center;
        margin-bottom: 30px;
        color: var(--page-light-text-color);
    }

    /* Responsive adjustments */
    @media (max-width: 992px) {
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__step-item {
        flex: 1 1 calc(50% - 15px); /* 2 items per row */
      }
    }

    @media (max-width: 768px) {
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__hero-section {
        padding: 90px 0 40px; /* Adjust padding for mobile fixed header */
      }
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__hero-title {
        font-size: 2em;
      }
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__hero-description {
        font-size: 1em;
      }
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__section {
        padding: 20px;
      }
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__section-title {
        font-size: 1.8em;
      }
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__step-list {
        gap: 20px;
      }
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__step-item {
        flex: 1 1 100% !important; /* 1 item per row */
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px !important;
      }
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__step-number {
        font-size: 2em;
        width: 60px;
        height: 60px;
      }
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__step-title {
        font-size: 1.2em;
      }
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__list {
        padding-left: 15px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__list-item {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        object-fit: cover !important;
      }
    }

    @media (max-width: 480px) {
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__hero-section {
        padding: 80px 0 30px;
      }
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__hero-title {
        font-size: 1.7em;
      }
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__section {
        padding: 15px;
      }
      .page-resources-how-to-start-using-vf555-a-complete-beginners-step-by-step-guide__section-title {
        font-size: 1.5em;
      }
    }