/* 基础应用样式 */
html, body {
    height: 100%;
}
body {
    display: flex;
    flex-direction: column;
}
.content-wrapper {
    flex: 1;
}
footer {
    margin-top: auto;
}
.footer-contact {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}