/* 动态印章背景 */
.mimosa-stamp {
    position: fixed;
    z-index: 0;
    opacity: 0.07;
    pointer-events: none;
    transition: filter var(--transition);
}

.mimosa-stamp img {
    display: block;
    width: 100%;
    height: auto;
}

[data-theme="dark"] .mimosa-stamp {
    filter: invert(1);
}