/* 基础样式 */
body, html {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    color: #333;
    background-color: #f9f9f9;
}

header {
    background-color: #fff;
    padding: 10px 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header h1 {
    display: inline-block;
    font-size: 24px;
    font-weight: bold;
}

header nav {
    float: right;
}

header nav a {
    text-decoration: none;
    color: #333;
    margin-left: 15px;
}

.hero-images img {
    width: 100%;
    height: auto;
}

.content-sections .row {
    display: flex;
    justify-content: space-around;
    margin: 20px 0;
}

.content-sections .column {
    text-align: center;
}

.content-sections .column p {
    font-style: italic;
    font-size: 16px;
    margin-top: 10px;
}


.about-us {
    background-color: #f1f1f1;
    padding: 50px 0;
    text-align: center;
}

.about-us .container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.about-us h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #333;
}

.about-us p {
    font-size: 18px;
    line-height: 1.6;
    color: #555;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #333;
    color: #fff;
}