#ymwl-kefu.site-chat-dock{
  position:fixed;right:18px;bottom:18px;z-index:1200;
  display:flex;flex-direction:column;align-items:center;gap:6px;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  touch-action:manipulation;
}
#ymwl-kefu .ymwl-icon.site-chat-launcher{
  width:52px;height:52px;border-radius:50%;
  background:linear-gradient(145deg,#3b82f6,#1d4ed8);
  color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(37,99,235,.45);
  cursor:pointer;position:relative;border:0;
  transition:transform .15s ease,box-shadow .15s ease;
  touch-action:manipulation;
}
#ymwl-kefu .ymwl-icon.site-chat-launcher:hover{transform:scale(1.05);box-shadow:0 10px 28px rgba(37,99,235,.55)}
#ymwl-kefu .ymwl-item.site-chat-launcher-text{
  font-size:12px;color:#93c5fd;user-select:none;pointer-events:none;
}
.site-chat-badge{
  position:absolute;top:-2px;right:-2px;min-width:18px;height:18px;padding:0 5px;
  border-radius:999px;background:#ef4444;color:#fff;font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center;line-height:1;
  box-shadow:0 2px 6px rgba(0,0,0,.25);
}
.site-chat-panel{
  position:fixed;right:18px;bottom:86px;z-index:1201;
  width:min(380px,calc(100vw - 24px));height:min(520px,calc(100vh - 110px));
  background:#0f172a;border:1px solid #334155;border-radius:16px;
  display:flex;flex-direction:column;overflow:hidden;
  box-shadow:0 20px 50px rgba(0,0,0,.45);
  animation:siteChatIn .2s ease;
  touch-action:manipulation;
}
@keyframes siteChatIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.site-chat-panel[hidden]{display:none!important}
.site-chat-head{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:12px 14px;background:linear-gradient(90deg,#1e3a8a,#2563eb);color:#fff;
  flex-shrink:0;
}
.site-chat-head-t{display:flex;flex-direction:column;gap:2px}
.site-chat-head-t strong{font-size:15px}
.site-chat-sub{font-size:11px;opacity:.85}
.site-chat-close{
  width:32px;height:32px;border:0;border-radius:8px;background:rgba(255,255,255,.15);
  color:#fff;font-size:22px;line-height:1;cursor:pointer;
}
.site-chat-product{
  padding:10px 12px;border-bottom:1px solid #1e293b;background:#0b1220;flex-shrink:0;
}
.site-chat-product a{display:flex;gap:10px;text-decoration:none;color:inherit;align-items:center}
.site-chat-product img{width:48px;height:48px;border-radius:8px;object-fit:cover;background:#1e293b}
.site-chat-product .ptitle{font-size:13px;font-weight:600;color:#e2e8f0}
.site-chat-product .pprice{font-size:12px;color:#4ade80;margin-top:2px}
.site-chat-msgs{
  flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:10px;
  background:#0b1020;
  touch-action:pan-y;
}
.site-chat-msg{max-width:88%;display:flex;flex-direction:column;gap:3px}
.site-chat-msg--visitor{align-self:flex-end;align-items:flex-end}
.site-chat-msg--staff,.site-chat-msg--system{align-self:flex-start;align-items:flex-start}
.site-chat-msg .bubble{
  padding:9px 12px;border-radius:12px;font-size:14px;line-height:1.5;
  word-break:break-word;white-space:pre-wrap;
}
.site-chat-msg--visitor .bubble{background:#2563eb;color:#fff;border-bottom-right-radius:4px}
.site-chat-msg--staff .bubble{background:#1e293b;color:#e2e8f0;border:1px solid #334155;border-bottom-left-radius:4px}
.site-chat-msg--system .bubble{background:transparent;color:#94a3b8;font-size:12px;padding:4px 0;border:0}
.site-chat-msg .meta{font-size:10px;color:#64748b}
.site-chat-form{
  padding:10px;border-top:1px solid #1e293b;background:#0f172a;flex-shrink:0;
}
.site-chat-form-row{display:flex;gap:8px;align-items:flex-end}
.site-chat-imgbtn{
  flex-shrink:0;width:40px;height:40px;border:1px solid #334155;border-radius:10px;
  background:#1e293b;color:#93c5fd;font-size:14px;font-weight:700;cursor:pointer;
}
.site-chat-imgbtn:hover{background:#334155}
.site-chat-form textarea{
  flex:1;resize:none;border:1px solid #334155;border-radius:10px;
  background:#0b1220;color:#e2e8f0;padding:8px 10px;font-size:14px;font-family:inherit;
  min-height:40px;max-height:100px;
}
.site-chat-form textarea:focus{outline:none;border-color:#3b82f6}
.site-chat-send{
  align-self:flex-end;padding:10px 16px;border:0;border-radius:10px;
  background:#2563eb;color:#fff;font-weight:600;cursor:pointer;font-size:14px;
}
.site-chat-send:disabled{opacity:.5;cursor:not-allowed}
.chat-img-link{display:inline-block;line-height:0}
.site-chat-img,.chat-img-thumb{max-width:140px;max-height:105px;width:auto;height:auto;object-fit:cover;border-radius:8px;display:block;cursor:zoom-in;box-shadow:0 1px 4px rgba(0,0,0,.15)}
.site-chat-msg--visitor .site-chat-img{border:1px solid rgba(255,255,255,.2)}
.chat-lightbox{position:fixed;inset:0;z-index:100000;background:rgba(15,23,42,.88);display:flex;align-items:center;justify-content:center;padding:20px;box-sizing:border-box}
.chat-lightbox[hidden]{display:none!important}
.chat-lightbox img{max-width:min(96vw,1100px);max-height:90vh;object-fit:contain;border-radius:10px;background:#fff}
.chat-lightbox-close{position:absolute;top:12px;right:16px;width:36px;height:36px;border:0;border-radius:50%;background:rgba(255,255,255,.25);color:#fff;font-size:22px;cursor:pointer}
@media(max-width:900px){
  .chat-lightbox-close{display:none!important}
  .site-chat-close{display:flex!important}
  #ymwl-kefu.site-chat-dock{right:auto;left:50%;transform:translateX(-50%);bottom:72px;z-index:920}
  .site-chat-panel{
    top:0;left:0;right:0;width:100%;max-width:none;
    bottom:var(--site-bottom-nav-height, 0px);
    height:auto;max-height:none;
    border-radius:0;border-left:0;border-right:0;border-bottom:0;
    box-shadow:none;
    z-index:850;
  }
  .site-chat-head{padding-top:calc(12px + env(safe-area-inset-top, 0px))}
  .site-chat-form textarea{font-size:16px}
  body.site-chat-open{overflow:hidden}
  body.site-chat-open #ymwl-kefu.site-chat-dock{visibility:hidden;pointer-events:none}
}