/* Shared source styles required by the static Tencent shell. */
:root{--navigation-accent:#c62828}
.back-top{color:#171717;backdrop-filter:blur(8px)}
.back-top:hover,.back-top:focus-visible{background:#171717;color:#fff;border-color:#171717}
@media(prefers-reduced-motion:reduce){.back-top{transition:none}}
a[href="mailto:info@messworks.cn"]{transition:color .18s ease}
a[href="mailto:info@messworks.cn"]:hover,
a[href="mailto:info@messworks.cn"]:focus-visible{color:var(--navigation-accent)}
@media(prefers-reduced-motion:reduce){a[href="mailto:info@messworks.cn"]{transition:none}}