.app-offline{background:#fff1c9;color:#173c50;padding:12px 20px;text-align:center;font-size:14px;border-bottom:1px solid #dfc378}.app-offline[hidden],[data-app-install][hidden],[data-app-installed][hidden]{display:none!important}.app-guide{max-width:900px;padding-top:45px;padding-bottom:65px}.app-intro{display:flex;align-items:center;gap:22px;margin-bottom:25px}.app-intro img{width:88px;height:88px;border-radius:20px}.app-guide h1{font-size:clamp(34px,5vw,56px);line-height:1.1}.app-cards{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:28px 0}.app-card{background:#fff;border:1px solid #d4e5e7;padding:25px;border-radius:18px}.app-card h2{font-size:24px;margin-top:0}.app-card li,.app-guide p{line-height:1.8}.app-note{padding:22px;background:#edf7f5;border-radius:16px;margin:24px 0}.app-links{display:flex;gap:16px;flex-wrap:wrap}.app-footer-link{display:inline-block;margin-top:12px;font-weight:700}@media(max-width:650px){.app-cards{grid-template-columns:1fr}.app-intro{align-items:flex-start}.app-intro img{width:64px;height:64px}}@media(display-mode:standalone){body{padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}}