/* Reset some basic styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Body Styles */
body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

/* Header Styles */
header {
    background-color: #003366;
    color: white;
    padding: 20px 0;
    text-align: center;
}

header .logo img {
    width: 100px;
    height: auto;
}

/* Main Section */
main {
    display: grid;
    gap: 20px;
    grid-template-columns: 1fr 1fr 1fr;
    padding: 40px;
    background-color: #fff;
}

section {
    background: #f1f1f1;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

section h2 {
    color: #003366;
}

section p {
    font-size: 1.2em;
    margin-top: 10px;
}

/* Footer */
footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 10px;
    margin-top: 30px;
}


.scroll-box {
    max-height: 550px;
    overflow-y: auto;
    padding-right: 10px; /* 为滚动条留空间 */
}

.scroll-box::-webkit-scrollbar {
    width: 8px;
}

.scroll-box::-webkit-scrollbar-thumb {
    background-color: rgba(0, 51, 102, 0.5);
    border-radius: 4px;
}

.scroll-box ul {
    list-style: none;
    padding-left: 10px;
}

.scroll-box li {
    padding: 5px 0;
    border-bottom: 1px solid #ddd;
}