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

header {
    background: #4CAF50;
    color: white;
    padding: 20px 0;
    text-align: center;
}

.banner {
    background-color: #4CAF50;
    color: white;
    padding: 50px;
    text-align: center;
}

.features {
    padding: 20px;
}

.feature {
    background: #e7e7e7;
    border-radius: 10px;
    padding: 20px;
    width: 30%;
    text-align: center;
}

代理加盟 {
    background: #fff;
    padding: 20px;
    text-align: center;
}

.contact-button {
    background: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.2em;
}

.contact-button:hover {
    background: #45a049;
}

.carousel {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: auto;
    overflow: hidden;
}

.carousel-inner {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-item {
    min-width: 100%;
    box-sizing: border-box;
}

.carousel-item img {
    width: 100%;
}

.carousel-caption {
    position: absolute;
    bottom: 8px;
    left: 16px;
    color: #fff;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 5px;
}

.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.carousel-control.prev {
    left: 0;
}

.carousel-control.next {
    right: 0;
}