body {
    font-family: 'Arial', sans-serif;
    background-color: #f0f4f7;
    color: #333;
    margin: 0;
    padding: 0;
}

header {
    background-image: url('images/zhengtu-bg.jpg');
    background-size: cover;
    color: white;
    text-align: center;
    padding: 60px 20px;
}

.header-content h1 {
    font-size: 3em;
    margin: 0;
}

.header-content p {
    font-size: 1.5em;
    margin: 10px 0 0;
}

section {
    padding: 40px 20px;
}

.flex-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.intro-text, .intro-image, .feature-box, .guide-box {
    flex: 1;
    margin: 10px;
}

.intro-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.features, .guides {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin: 20px 0;
}

.features h2, .guides h2 {
    text-align: center;
}

.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

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

.footer-content a {
    color: #f0f4f7;
    text-decoration: none;
}

.footer-content a:hover {
    text-decoration: underline;
}