.sigma-install{margin-top:10px}.sigma-install .install-btn{width:100%;margin-top:8px;background:#181818;color:#fff;border:1px solid #343434;border-radius:9px;padding:11px 14px;font-weight:700;cursor:pointer}.sigma-install .install-btn:hover{border-color:#e32636}.sigma-install .install-note{font-size:10px;line-height:1.45;margin-top:7px;opacity:.68}.sigma-install-sheet{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:99999;display:flex;align-items:flex-end;justify-content:center}.sigma-install-sheet>div{width:min(520px,100%);background:#111;border:1px solid #333;border-radius:18px 18px 0 0;padding:20px;color:#fff}.sigma-install-sheet h3{margin:0 0 8px}.sigma-install-sheet p{font-size:13px;line-height:1.5;opacity:.8}.sigma-install-sheet .btnrow{display:flex;gap:8px;margin-top:14px}.sigma-install-sheet button{flex:1;padding:11px;border-radius:9px;border:1px solid #333;background:#1b1b1b;color:#fff}.sigma-install-sheet button.primary{background:#e32636;border-color:#e32636}@media(min-width:769px){.sigma-install.mobile-only{display:none}}