body {
    margin: 0;
    font-family: Arial, sans-serif;
}

.Progress {
    width: 100%;
    padding: 0;
    margin: 0;
    position: fixed;
    top: 0px;
    z-index: 1000;

}

.Prostick {
    width: 0;
    background-color: #0091EA;
    height: 5px;
}

.navbar {
    position: fixed;
    width: 100%;
    max-width: 1920px;
    height: 65px;
    top: 0px;
    background-color: #ffffff;
    box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 178.5px;
    box-sizing: border-box;
    transform: all 0.8s;
}

.navbar-left {
    display: flex;
    align-items: center;
}

.navbar-left img {
    width: 40px;
    height: 40px;
}

.navbar-left .site-title {
    margin-left: 10px;
    font-size: 20px;
    font-weight: bold;
    color: #000000;
}

.navbar-right {
    display: flex;
    gap: 35px;
}

.navbar-right a {
    text-decoration: none;
    color: #000000;
    font-size: 16px;
    padding: 5px 10px;
    transition: color 0.3s ease;
    position: relative;
    /* 添加相对定位 */
    display: flex;
    gap: 35px;
}

.navbar-right a:hover,
.navbar-right a.active {
    color: #0091EA;
}

.line {
    position: absolute;
    left: 16px;
    bottom: 0;
    width: 28px;
    height: 2px;
    background-color: #0091EA;
    transition: all .3s;

}

.carousel-container {
    position: relative;
    width: 80%;
    max-width: 1200px;
    overflow: hidden;
    border: 2px solid #ddd;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin: 80px auto 20px auto;
}

.carousel-images {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-images img {
    width: 100%;
    display: block;
    object-fit: cover;
}

button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
    z-index: 1;
}

#prev-btn {
    left: 10px;
    border-radius: 5px;
}

#next-btn {
    right: 10px;
    border-radius: 5px;
}

.dots-container {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
}

.dot {
    height: 10px;
    width: 10px;
    margin: 0 5px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
}

.dot.active {
    background-color: rgba(0, 0, 0, 0.5);
}

.news-effect {
    width: 1200px;
    height: 300px;
    background-color: #87CEEB;
    margin: auto;
}

.news-effect span {
    font-size: 22px;
    color: white;
    text-align: center;
}

.news-class-list {
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    color: white;
    transition: color 0.5s;

}

.news-class-list p:hover {
    color: #000000;
}

.news-definition {
    font-size: 22px;
    width: 1200px;
    height: 300px;
    background-color: #87CEEB;
    margin: auto;

}

.news-definition p {
    font-size: 18px;
    font-weight: bold;
    text-indent: 2em;
    color: #ffffff;
    padding: 20px 50px;
}

.news-elevator {
    width: 50px;
    height: 200px;
    position: fixed;
    right: 100px;
    bottom: 100px;
}

.news-elevator-list {
    list-style: none;
    text-decoration: none;
    padding: 0;
}

.news-elevator-list li {
    background-color: lightgray;
    margin-bottom: 5px;
    border-radius: 5px;
    width: 50px;
    height: 50px;
    font-size: 18px;
    text-align: center;
}

.news-elevator-list a {
    text-decoration: none;
}

.footer {
    width: 100%;
    background-color: #3FA8EA;
    text-align: center;
    font-size: 16px;
}