/* 顶部链接按钮样式 */
.top-link-btn {
    display: block;
    width: 80%;
    margin: 20px auto;
    padding: 12px 0;
    background-color: #8A2BE2;
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: bold;
    max-width: 250px;
}
.top-link-btn:hover {
    background-color: #7a1dc9;
}
.top-image {
    display: block;
    text-align: center;
    margin: 20px 0;
}
.top-image a {
    display: block;
    text-align: center;
}
.top-image img {
    max-width: 350px;
    width: 100%;
    height: auto;
    margin: 0 auto;
    display: block;
}