.wh-zh-btn {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    flex: 0 0 auto;
    margin: 1.5rem 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    color: var(--accent);
    font-family: inherit;
    font-size: .9rem;
    font-weight: 500;
    line-height: 1.5;
    white-space: nowrap;
    cursor: pointer;
}
.article-meta .wh-zh-btn { margin: 0; align-self: flex-start; }
.wh-zh-btn:hover, .wh-zh-btn:focus-visible {
    color: var(--accent);
    background: transparent;
    text-decoration: underline;
    text-underline-offset: .15em;
}
.wh-zh-btn:disabled { cursor: wait; }
.wh-zh-btn:disabled .wh-zh-icon { opacity: .35; }
.wh-zh-icon { flex: 0 0 16px; width: 16px; height: 16px; transition: opacity 150ms; }
.wh-zh-btn:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }
@media (max-width: 480px) {
    .article-meta .meta-row:has(> .wh-zh-btn) { flex-wrap: wrap; }
    .wh-zh-btn { max-width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
    .wh-zh-icon { transition: none; }
}