/* 全局样式 */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background-color: #59b5f1;
    color: white;
    padding: 10px 0;
}

.navbar {
    display: flex;
    justify-content: flex-start;
    padding: 0 20px;
}

.navbar .back-button {
    background-color: #ff6347;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.navbar .back-button:hover {
    background-color: #e0543b;
}

main {
    padding: 20px;
}

.install-guide h1 {
    font-size: 36px;
    margin-bottom: 20px;
}

.install-guide p {
    font-size: 18px;
    margin-bottom: 20px;
}

.step {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.step h2 {
    font-size: 24px;
    margin-bottom: 10px;
}

.step p {
    font-size: 16px;
    margin-bottom: 20px;
}

.install-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-top: 10px;
}

footer {
    background-color: #59b5f1;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}