* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: Arial, sans-serif;
    color: #333;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
/* 头部导航 */
.header {
    background: #2d3748;
    color: #fff;
    padding: 15px 0;
}
.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo h1 {
    font-size: 20px;
}
.nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 20px;
    padding: 5px 0;
}
.nav a.active {
    border-bottom: 2px solid #4299e1;
}
/* 轮播图 */
.banner img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}
/* 通用标题 */
.title {
    text-align: center;
    font-size: 24px;
    margin: 30px 0;
    position: relative;
}
.title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: #4299e1;
    margin: 10px auto;
}
/* 学校概况 */
.profile .content {
    line-height: 1.8;
    text-align: justify;
    margin-bottom: 30px;
}
/* 专业设置 */
.major-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.major-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.major-item h3 {
    color: #4299e1;
    margin-bottom: 10px;
}
.major-item .type {
    display: inline-block;
    background: #38a169;
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    margin-bottom: 10px;
}
/* 联系方式 */
.contact-info {
    text-align: center;
    line-height: 2;
    margin-bottom: 30px;
}
/* 底部版权 */
.footer {
    background: #2d3748;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 30px;
}