.h4f-pwa-install{position:fixed;z-index:2147483000;left:50%;bottom:max(18px,env(safe-area-inset-bottom));display:grid;grid-template-columns:54px minmax(0,1fr) auto;align-items:center;gap:13px;width:min(620px,calc(100% - 28px));padding:13px 15px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(15,15,18,.97);box-shadow:0 18px 60px rgba(0,0,0,.5);color:#fff;font-family:inherit;transform:translate(-50%,24px);opacity:0;transition:opacity .25s ease,transform .25s ease;backdrop-filter:blur(14px)}
.h4f-pwa-install[hidden]{display:none}.h4f-pwa-install.is-visible{transform:translate(-50%,0);opacity:1}.h4f-pwa-install img{display:block;border-radius:13px}.h4f-pwa-install__body{display:grid;gap:3px;min-width:0}.h4f-pwa-install__body strong{font-size:15px;line-height:1.3;color:#fff}.h4f-pwa-install__body span{font-size:12px;line-height:1.45;color:#b9b9c2}.h4f-pwa-install__button{min-height:40px;padding:0 17px;border:0;border-radius:999px;background:#e91e63;color:#fff;font:700 13px/1 inherit;cursor:pointer}.h4f-pwa-install__button:hover{background:#ff367b}.h4f-pwa-install__close{position:absolute;top:-10px;right:-7px;width:28px;height:28px;padding:0;border:1px solid rgba(255,255,255,.14);border-radius:50%;background:#26262c;color:#fff;font:20px/24px Arial;cursor:pointer}
@media(max-width:520px){.h4f-pwa-install{grid-template-columns:46px minmax(0,1fr) auto;gap:10px;padding:11px 12px;border-radius:15px}.h4f-pwa-install img{width:46px;height:46px}.h4f-pwa-install__body strong{font-size:13px}.h4f-pwa-install__body span{font-size:11px}.h4f-pwa-install__button{min-height:36px;padding:0 13px;font-size:12px}}
@media(prefers-reduced-motion:reduce){.h4f-pwa-install{transition:none}}