/* 全局样式 */
body {
    font-family: 'Times New Roman', Times, serif;
    margin: 0;
    padding: 0;
    background-color: #f0f8ff;
    color: #333;
    line-height: 1.6;
}

/* 头部样式 */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background-color: #0a3d62;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.logo-container {
    flex: 1;
}

.logo {
    height: 80px;
}

.nav-buttons {
    display: flex;
    gap: 30px;
    flex: 2;
    justify-content: flex-end;
}

.nav-button {
    padding: 12px 20px;
    background-color: #1e5f8a;
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.nav-button:hover {
    background-color: #2a7aaf;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 正文内容 */
.content {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

h1, h2, h3 {
    color: #0a3d62;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.5rem;
    text-align: center;
    margin-top: 40px;
    border-bottom: 2px solid #0a3d62;
    padding-bottom: 10px;
}

h2 {
    font-size: 2rem;
    margin-top: 40px;
}

h3 {
    font-size: 1.5rem;
}

.section {
    margin-bottom: 40px;
    background-color: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-left: 5px solid #1e5f8a;
}

/* 文字框样式 */
.text-box {
    background-color: #e6f2ff;
    padding: 20px;
    border-radius: 15px;
    margin: 20px 0;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.1);
}

/* 页脚样式 */
footer {
    background-color: #0a3d62;
    color: white;
    padding: 30px 50px;
    margin-top: 50px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section {
    flex: 1;
    margin: 0 15px;
}

.footer-section h3 {
    color: white;
    border-bottom: 1px solid #1e5f8a;
    padding-bottom: 10px;
}

.contact-info {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    margin-top: 15px;
}

.contact-info p {
    margin: 5px 0;
}
/* 页脚超链接样式 */
.footer-content a {
    color: yellow;
    text-decoration: none;
}

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

/* 卡片容器样式 */
.card-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 20px 0;
}

/* 卡片样式 */
.card {
    flex: 1;
    min-width: 300px;
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    color: #333;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.card h3 {
    color: #0a3d62;
    margin-top: 0;
}

.card p {
    margin: 8px 0;
}