body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1em 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header h1 {
    margin: 0;
    font-size: 24px;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

nav ul li a:hover {
    text-decoration: underline;
}

.carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.carousel img {
    width: 100%;
    display: none;
}

.carousel img.active {
    display: block;
}

.content {
    padding: 20px;
}

.section {
    margin-bottom: 40px;
}

.features {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.feature-item {
    text-align: center;
    margin: 10px;
    border: 1px solid #ddd;
    padding: 20px;
    box-sizing: border-box;
    width: calc(33% - 40px);
}

.feature-item img {
    max-width: 100%;
    height: auto;
}

.services {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.service-item {
    border: 1px solid #ddd;
    padding: 20px;
    text-align: center;
    margin: 10px;
    width: calc(33% - 40px);
    box-sizing: border-box;
}

.download a {
    display: inline-block;
    margin: 10px;
}

.review-item {
    border-top: 1px solid #ccc;
    padding: 10px 0;
}

.review-item:first-child {
    border-top: none;
}

.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1em 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}