.wfc-btn{position:fixed;right:22px;bottom:22px;z-index:99990;width:62px;height:62px;border-radius:50%;border:0;cursor:pointer;background:linear-gradient(135deg,#171717,#000000);color:#EBEBEB;box-shadow:0 14px 34px rgba(23,23,23,.38);display:flex;align-items:center;justify-content:center;font-size:25px;transition:transform .25s}
.wfc-btn:hover{transform:translateY(-3px) scale(1.04)}
.wfc-btn .wfc-dot{position:absolute;top:4px;right:4px;width:14px;height:14px;border-radius:50%;background:#171717;border:2px solid #fff}
.wfc-btn.wfc-on .wfc-dot{display:none}
.wfc-tease{position:fixed;right:96px;bottom:34px;z-index:99989;background:#fff;color:#000000;border-radius:16px 16px 4px 16px;padding:12px 16px;font-size:14px;font-weight:600;box-shadow:0 12px 30px rgba(0,0,0,.16);opacity:0;transform:translateY(8px);transition:all .4s;pointer-events:none;max-width:230px}
.wfc-tease.wfc-show{opacity:1;transform:none;pointer-events:auto;cursor:pointer}
.wfc-panel{position:fixed;right:22px;bottom:98px;z-index:99991;width:370px;max-width:calc(100vw - 24px);height:560px;max-height:calc(100vh - 130px);background:#F5F5F5;border-radius:22px;box-shadow:0 30px 70px rgba(23,23,23,.35);display:flex;flex-direction:column;overflow:hidden;opacity:0;transform:translateY(16px) scale(.98);pointer-events:none;transition:all .3s cubic-bezier(.2,.7,.2,1);font-family:inherit}
.wfc-panel.wfc-open{opacity:1;transform:none;pointer-events:auto}
.wfc-head{background:linear-gradient(135deg,#171717,#000000);color:#fff;padding:18px 18px 16px;display:flex;align-items:center;gap:12px}
.wfc-head img{width:42px;height:42px;border-radius:50%;background:#F5F5F5;padding:3px}
.wfc-head b{display:block;font-size:16px}
.wfc-head small{display:flex;align-items:center;gap:6px;font-size:12.5px;color:rgba(234,242,250,.8)}
.wfc-head small:before{content:"";width:8px;height:8px;border-radius:50%;background:#5BD38A}
.wfc-x{margin-left:auto;background:rgba(255,255,255,.12);border:0;color:#fff;width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:15px}
.wfc-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}
.wfc-m{max-width:86%;padding:11px 14px;border-radius:16px;font-size:14px;line-height:1.5;animation:wfcIn .3s ease}
.wfc-bot{background:#fff;color:#171717;border-bottom-left-radius:4px;box-shadow:0 2px 8px rgba(23,23,23,.06)}
.wfc-bot a{color:#171717;font-weight:700}
.wfc-me{background:#171717;color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
@keyframes wfcIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.wfc-qs{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.wfc-q{background:#fff;border:1px solid #171717;color:#000000;border-radius:999px;padding:8px 14px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s}
.wfc-q:hover{background:#171717;color:#000000}
.wfc-form{display:flex;flex-direction:column;gap:8px;background:#fff;border-radius:16px;padding:14px;box-shadow:0 2px 8px rgba(23,23,23,.06)}
.wfc-form input,.wfc-form textarea{width:100%;border:1px solid #E5E5E5;border-radius:10px;padding:10px 12px;font-size:14px;font-family:inherit;background:#F5F5F5;color:#171717;box-sizing:border-box}
.wfc-form textarea{min-height:84px;resize:vertical}
.wfc-form input:focus,.wfc-form textarea:focus{outline:2px solid rgba(23,23,23,.5);border-color:#171717}
.wfc-send{background:linear-gradient(135deg,#EBEBEB,#171717);color:#000000;border:0;border-radius:999px;padding:12px;font-weight:700;font-size:14px;cursor:pointer}
.wfc-send[disabled]{opacity:.6;cursor:wait}
.wfc-hp{position:absolute!important;left:-9999px!important;height:0;width:0;opacity:0}
.wfc-foot{padding:10px 16px 12px;border-top:1px solid #E5E5E5;display:flex;gap:8px;background:#fff}
.wfc-foot button{flex:1;background:#171717;color:#fff;border:0;border-radius:999px;padding:11px;font-weight:700;font-size:13.5px;cursor:pointer}
.wfc-foot a{flex:1;text-align:center;border:1px solid #171717;color:#171717!important;border-radius:999px;padding:10px;font-weight:700;font-size:13.5px;text-decoration:none!important}
@media (max-width:767px){.wfc-btn{right:14px;bottom:84px;width:54px;height:54px;font-size:22px}.wfc-tease{right:78px;bottom:92px;font-size:13px}.wfc-panel{right:12px;left:12px;width:auto;bottom:146px;height:auto;max-height:calc(100vh - 180px)}}