body {
    display: flex;
    flex-direction: column;
    max-width: 425px;
    margin: 0 auto;
    min-height: 100vh;
}

.container {
    padding: 0 15px;
    flex: 1;
}

.layui-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.footer {
    padding: 15px 0;
    text-align: center;
    width: 100%;
    max-width: 425px;
}

.main-content {
    flex: 1;
    padding: 30px 0;
}

.layui-btn {
    display: block;
    margin: 0 auto;
}

.layui-breadcrumb {
    word-break: keep-all;
    flex: 1;
    display: flex;
    text-align: center;
}

.layui-breadcrumb a {
    flex: 1;
}