body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
}

a {
    text-decoration: none;
    color: #2563eb;
}

.advertisement {
    width: 210mm;
    height: 297mm;
    margin: 0 auto;
    background-color: white;
    padding: 2rem;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.header-top {
    text-align: left;
    margin-bottom: 0.2rem;
    padding-left: 2rem;
}

.header {
    font-size: 2rem;
    font-weight: bold;
    text-align: center;
    margin-top: 0.2rem;
    margin-bottom: 0.2rem;
    color: #2563eb;
}

.header-buttom {
    text-align: right;
    margin-top: 0.2rem;
    padding-right: 1.5rem;
}

.main-content {
    display: flex;
    gap: 2rem;
}

.visual-case-study {
    flex: 1;
}

.image-container {
    position: relative;
    height: 100%;
    overflow: hidden;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.case-study-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 1rem;
}

.image-overlay h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.benefits-features {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.benefits-features h2 {
    font-size: 1.5rem;
    color: #2563eb;
    margin-bottom: 1.5rem;
}

.sub-benefit-title {
    margin-left: 1rem;
    font-size: 1.2rem;
    color: #4b5563;
    margin-bottom: 1rem;
}

.feature-list {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.icon {
    width: 1.5rem;
    height: 1.5rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.icon.green {
    color: #10b981;
}

.icon.blue {
    color: #3b82f6;
}

.icon.yellow {
    color: #f59e0b;
}

.feature-list h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.feature-list p {
    color: #4b5563;
    margin: 0;
}

.cta {
    background-color: #2563eb;
    color: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-top: auto;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.cta h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.cta p {
    margin-bottom: 1rem;
}

.cta button {
    background-color: white;
    color: #2563eb;
    border: none;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.cta button:hover {
    background-color: #f0f0f0;
}

.footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.875rem;
    color: #4b5563;
}

.hp {
    margin-left: 1rem;
}

.contact-demo-section {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

.qr-code {
    text-align: center;
}

.qr-code img {
    width: 150px;
    height: 150px;
    margin-bottom: 0.5rem;
}

.qr-code p {
    color: #4b5563;
    margin-top: 0;
    font-size: 0.875rem;
}

.demo-description {
    max-width: 60%;
    text-align: left;
}

.demo-description h3 {
    font-size: 1.25rem;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.demo-description p {
    color: #4b5563;
    font-size: 0.875rem;
    line-height: 1.4;
}