@media (max-width:767px){:root{--site-shell-width:100%;--site-shell-gutter:16px;--site-section-space:56px;--site-card-radius:16px;--site-control-height:44px;--site-grid-gap:16px}.site-shell{width:calc(100% - var(--site-shell-gutter) * 2)}.site-grid-4,.site-grid-3,.site-grid-2{grid-template-columns:minmax(0,1fr)}.site-button{width:100%}}

/* BOSS: only the visible mobile top-left logo, measured against ai.3s.sh.cn. */
@media (max-width: 767px) {
  body[data-static-page][data-static-page] .nav-content .layout-nav .img-logo {
    position: absolute !important;
    left: 16px !important;
    top: 14px !important;
    width: 84px !important;
    height: 48px !important;
    transform: none !important;
    background-size: contain !important;
    background-position: left center !important;
  }
}