/* 基本重置 */
body, h1, h2, h3, p, ul, li {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 设置基本样式 */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem;
    text-align: center;
}

header h1 {
    margin-bottom: 0.5rem;
}

nav ul {
    list-style: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 1rem;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}

main {
}

h2 {
    color: #333;
    margin-bottom: 1rem;
}
.container {
    max-width: 65%;
    margin: 0px auto;
    padding: 10px;
    background-color: #ffffff;
    border-radius: 8px;
}
.content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}
.service {
    background: #fff;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    box-shadow: 0 1px 8px rgb(0 0 0 / 10%);
    display: flex;
    align-items: center;
}

.service i {
    font-size: 2rem;
    color: #009688;
    margin-right: 1rem;
}

.service-info {
    flex: 1;
}

.service h3 {
    margin: 0.5rem 0;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        max-width: 100%;
    }      
    nav ul {
        text-align: center;
        padding: 0;
    }
    .service {
        width: 90%;
    }
    nav ul li {
        display: block;
        margin-bottom: 0.5rem;
    }

    nav ul li a {
        display: block;
        padding: 0.5rem;
    }

    header {
        padding: 1rem 0;
    }
}

@media (max-width: 480px) {
    .container {
        max-width: 100%;
    }    
    .service {
        flex-direction: column;
        text-align: center;
        width: 90%;
    }

    .service i {
        margin: 0 0 0.5rem 0;
    }

    .service h3 {
        font-size: 1.25rem;
    }

    header h1 {
        font-size: 1.5rem;
    }

    footer {
        padding: 0.5rem;
    }
}