[hidden]{display:none!important}
#platform-footer{max-width:1200px;margin:60px auto 20px;padding:28px 0;border-top:1px solid #acbdd04f;color:#405c79;font:12px/1.8 system-ui,sans-serif}
#platform-footer summary{cursor:pointer;font-weight:700}#platform-footer p{margin:9px 0}#platform-footer nav{display:flex;gap:20px;flex-wrap:wrap;margin-top:20px}#platform-footer a{text-decoration:underline;text-underline-offset:3px}
.os-header nav{flex-wrap:wrap}.account-qa,.account-admin{font-size:13px;white-space:nowrap}
@media(max-width:600px){.os-header .os-work-link{display:none}.os-header nav{gap:10px}.account-qa,.account-login,.account-my,.account-admin{font-size:12px}.brand-lockup small{display:none}}

.ebook-open #modes .navitem:not(#ebook-nav){display:none}

.ebook-open #sidebar,.ebook-open #menu,.ebook-open main>header .pill{display:none}.ebook-open main{margin-left:0;width:100%}