#ctp-install-banner {
    position: fixed;
    top: 12px;
    left: 50%;
    transform: translate(-50%, -130%);
    width: min(460px, calc(100% - 24px));
    box-sizing: border-box;
    z-index: 99999;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 42px 16px 14px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    box-shadow: 0 10px 32px rgba(15,23,42,.16);
    font-family: Arial, sans-serif;
    transition: transform .3s ease;
}

#ctp-install-banner.ctp-visible {
    transform: translate(-50%, 0);
}

.ctp-install-icon {
    width: 60px;
    height: 60px;
    border-radius: 13px;
    object-fit: contain;
    flex-shrink: 0;
}

.ctp-install-content {
    flex: 1;
    min-width: 0;
}

.ctp-install-title {
    font-size: 16px;
    font-weight: 800;
    color: #111827;
    margin-bottom: 5px;
}

.ctp-install-description {
    font-size: 12px;
    line-height: 1.5;
    color: #64748b;
}

.ctp-install-action {
    margin-top: 10px;
    padding: 9px 18px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
}

.ctp-install-action:hover {
    background: #1d4ed8;
}

.ctp-install-close {
    position: absolute;
    right: 12px;
    top: 9px;
    border: none;
    background: transparent;
    color: #94a3b8;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
}

@media (max-width: 480px) {
    #ctp-install-banner {
        top: 8px;
        width: calc(100% - 16px);
        gap: 11px;
        padding: 13px 36px 13px 12px;
    }

    .ctp-install-icon {
        width: 52px;
        height: 52px;
    }

    .ctp-install-title {
        font-size: 15px;
    }

    .ctp-install-description {
        font-size: 12px;
    }

    .ctp-install-action {
        padding: 8px 14px;
    }
}