/* ===== 全站统一悬浮 CTA ===== */
.boao_float_cta{
    position:fixed; right:16px; bottom:160px; z-index:997;
    background:#fff; border:1px solid #e2e8f0;
    border-radius:9999px; padding:6px; box-shadow:0 8px 24px rgba(15,23,42,0.12);
}
.boao_float_cta_close{
    position:absolute; top:-8px; right:-8px; width:22px; height:22px;
    line-height:22px; text-align:center; background:#64748b; color:#fff;
    border-radius:50%; cursor:pointer; font-size:14px; border:2px solid #fff;
    transition:background 0.3s;
}
.boao_float_cta_close:hover{background:#ef4444;}
.boao_float_cta_item{
    display:block; width:48px; height:48px; line-height:48px; text-align:center;
    border-radius:50%; color:#fff; margin-bottom:6px; font-size:20px;
    transition:all 0.3s; position:relative; text-decoration:none;
}
.boao_float_cta_item:last-child{margin-bottom:0;}
.boao_float_cta_item:hover{transform:scale(1.1);color:#fff;}
.boao_float_cta_call{background:#10b981;}
.boao_float_cta_quote{background:#1e40af;}
.boao_float_cta_share{background:#6366f1;}
.boao_float_cta_top{background:#475569;}
.boao_float_cta_tip{
    position:absolute; right:58px; top:50%; transform:translateY(-50%);
    background:#1e293b; color:#fff; padding:4px 10px; border-radius:4px;
    font-size:12px; white-space:nowrap; opacity:0; visibility:hidden;
    transition:all 0.3s; line-height:1.4;
}
.boao_float_cta_tip::after{
    content:''; position:absolute; right:-4px; top:50%; transform:translateY(-50%);
    border-left:4px solid #1e293b; border-top:4px solid transparent; border-bottom:4px solid transparent;
}
.boao_float_cta_item:hover .boao_float_cta_tip{opacity:1; visibility:visible;}
@media (max-width:768px){
    .boao_float_cta{right:8px; bottom:150px; padding:4px;}
    .boao_float_cta_item{width:40px; height:40px; line-height:40px; font-size:18px;}
    .boao_float_cta_tip{display:none;}
}