.install-banner{z-index:100;opacity:0;pointer-events:none;width:calc(100% - 32px);max-width:480px;transition:all .5s cubic-bezier(.16,1,.3,1);position:fixed;bottom:24px;left:50%;transform:translate(-50%)translateY(120px)}.install-banner.show{opacity:1;pointer-events:auto;transform:translate(-50%)translateY(0)}.install-banner-inner{-webkit-backdrop-filter:blur(24px);background:#0f0f13f2;border:1px solid #ffffff1a;border-radius:18px;align-items:center;gap:14px;padding:14px 16px;display:flex;box-shadow:0 8px 32px #00000080,0 0 0 1px #8b5cf614,inset 0 1px #ffffff0a}.install-banner-icon{color:#c4b5fd;background:linear-gradient(135deg,#8b5cf633,#ec489926);border:1px solid #8b5cf633;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.install-banner-text{flex:1;min-width:0}.install-banner-title{color:#fff;margin-bottom:2px;font-size:14px;font-weight:700}.install-banner-desc{color:#ffffff80;font-size:12px;line-height:1.3}.install-banner-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.install-btn{color:#fff;cursor:pointer;white-space:nowrap;touch-action:manipulation;background:linear-gradient(135deg,#8b5cf6,#7c3aed);border:none;border-radius:12px;padding:8px 20px;font-size:13px;font-weight:700;transition:all .2s}.install-btn:hover{background:linear-gradient(135deg,#a78bfa,#8b5cf6);transform:translateY(-1px)}.install-btn:active{transform:scale(.96)}.install-dismiss{color:#fff6;cursor:pointer;touch-action:manipulation;background:#ffffff0d;border:1px solid #ffffff0f;border-radius:10px;justify-content:center;align-items:center;width:32px;height:32px;transition:all .15s;display:flex}.install-dismiss:hover{color:#ffffffb3;background:#ffffff1a}@media (max-width:480px){.install-banner{width:calc(100% - 24px);bottom:16px}.install-banner-inner{gap:12px;padding:12px 14px}}