/* 全局样式 */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
}

.container {
    width: 80%;
    margin: 0 auto;
}

/* 页眉样式 */
header {
    background-color: white;
    padding: 20px 0 0px 0;
    /*border-bottom: 1px solid #e9ecef;*/
}
.container {
    text-align: center; /* 添加这行使标题居中 */
}
.lab-name {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 5px;
}
.university {
    font-size: 18px;
    color: #6c757d;
}

/* 导航栏样式 */
nav {
    background-color: white;
    padding: 10px 0;
    text-align: center; /* 新增：使导航内容居中 */
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: inline-block; /* 修改：从flex改为inline-block */
}

nav ul li {
    display: inline-block; /* 修改：从默认改为inline-block */
    margin: 0 15px; /* 调整左右边距 */
}

nav ul li a {
	font-size: 20px;
    color: black;
    text-decoration: none;
    padding: 5px 10px; /* 增加一些内边距 */
}

nav ul li a:hover {
    text-decoration: underline;
}

/* 欢迎区域样式 */
.welcome {
	font-family: "Times New Roman", Times, serif; /* 新增此行 */
    padding: 15px 0;
    text-align: center;
	font-size: 22px;
	margin-top: 2px;
}
/*.welcome h1 {
    font-size: 36px;
    margin-bottom: 20px;
}*/

/* 轮播图样式 */
.carousel-container {
	border-radius: 25px; /* 圆角大小，值越大越圆 */
    overflow: hidden; /* 确保图片也遵循圆角 */
    margin: 30px auto;
    max-width: 900px;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.carousel-item img {
    height: 500px;
    object-fit: cover;
}
.carousel-control-prev,
.carousel-control-next {
    width: 5%;
    background-color: rgba(52, 58, 64, 0.3);
}
.carousel-indicators [data-bs-target] {
    background-color: #343a40;
    opacity: 0.5;
    height: 8px;
    width: 8px;
    border-radius: 50%;
    margin: 0 5px;
}
.carousel-indicators .active {
    opacity: 1;
}