/* 页面基本样式 */
body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    color: #333;
}

/* Header Section */
.header {
    background-color: #007bff;
    color: white;
    padding: 40px 0;
}
.header h1 {
    font-size: 3em;
}
.header p {
    font-size: 1.2em;
}
.cta-button {
    background-color: #28a745;
    color: white;
    padding: 15px 30px;
    font-size: 1.2em;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
.cta-button:hover {
    background-color: #218838;
}

/* Section Styling */
.section {
    padding: 60px 0;
}
.section h2 {
    font-size: 2.5em;
    color: #007bff;
    margin-bottom: 30px;
}

/* Footer Section */
.footer {
    background-color: #333;
    color: white;
    padding: 20px;
    text-align: center;
}
.footer a {
    color: #28a745;
    text-decoration: none;
}
.about {
    background-color: #f8f9fa;
    padding: 60px 0;
    color: #333;
}

.about h2 {
    font-size: 2.5em;
    color: #1e90ff;
    margin-bottom: 30px;
    text-align: center;
}

.about p {
    font-size: 1.2em;
    color: #555;
    line-height: 1.8;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
}

.features-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-item {
    background-color: #ffffff;
    border: 1px solid #ddd;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.feature-item h4 {
    font-size: 1.6em;
    color: #1e90ff;
    margin-bottom: 15px;
}

.feature-item p {
    font-size: 1.1em;
    color: #666;
    line-height: 1.6;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .features-list {
        grid-template-columns: 1fr;
    }
}