.ey-wecom-chat{position:fixed;right:22px;bottom:24px;z-index:99999;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:#1f2937}.ey-wecom-chat *{box-sizing:border-box}.ey-wecom-chat-btn{width:62px;height:62px;border-radius:50%;border:0;background:linear-gradient(135deg,#18b66a,#0b8f55);box-shadow:0 12px 28px rgba(0,0,0,.18);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-direction:column;font-size:12px;line-height:1.1}.ey-wecom-chat-btn svg{width:26px;height:26px;margin-bottom:3px;fill:#fff}.ey-wecom-chat-panel{display:none;position:absolute;right:0;bottom:76px;width:350px;max-width:calc(100vw - 28px);height:520px;max-height:calc(100vh - 120px);background:#fff;border:1px solid rgba(15,23,42,.08);border-radius:18px;box-shadow:0 22px 56px rgba(15,23,42,.22);overflow:hidden}.ey-wecom-chat.open .ey-wecom-chat-panel{display:flex;flex-direction:column}.ey-wecom-chat-hd{padding:15px 16px;background:linear-gradient(135deg,#0b8f55,#20c273);color:#fff;display:flex;align-items:center;justify-content:space-between}.ey-wecom-chat-title{font-size:16px;font-weight:700;line-height:1.2}.ey-wecom-chat-sub{font-size:12px;opacity:.88;margin-top:4px}.ey-wecom-chat-close{border:0;background:rgba(255,255,255,.18);color:#fff;width:28px;height:28px;border-radius:50%;cursor:pointer;font-size:18px;line-height:28px}.ey-wecom-chat-body{flex:1;padding:14px;background:#f5f7fb;overflow-y:auto}.ey-wecom-chat-msg{display:flex;margin-bottom:10px}.ey-wecom-chat-msg.visitor{justify-content:flex-end}.ey-wecom-chat-bubble{max-width:78%;padding:10px 12px;border-radius:14px;font-size:14px;line-height:1.55;white-space:pre-wrap;word-break:break-word;background:#fff;box-shadow:0 2px 8px rgba(15,23,42,.06)}.ey-wecom-chat-msg.visitor .ey-wecom-chat-bubble{background:#19a463;color:#fff;border-bottom-right-radius:4px}.ey-wecom-chat-msg.admin .ey-wecom-chat-bubble,.ey-wecom-chat-msg.wecom .ey-wecom-chat-bubble{background:#fff;color:#1f2937;border-bottom-left-radius:4px}.ey-wecom-chat-time{font-size:11px;color:#8b95a5;margin:3px 4px 0}.ey-wecom-chat-msg.visitor .ey-wecom-chat-time{text-align:right}.ey-wecom-chat-ft{padding:10px;background:#fff;border-top:1px solid #eef1f5}.ey-wecom-chat-contact{width:100%;height:34px;border:1px solid #dfe5ee;border-radius:10px;padding:0 10px;margin-bottom:8px;font-size:13px;outline:none}.ey-wecom-chat-inputrow{display:flex;gap:8px}.ey-wecom-chat-input{flex:1;height:42px;border:1px solid #dfe5ee;border-radius:12px;padding:0 12px;font-size:14px;outline:none}.ey-wecom-chat-send{width:68px;border:0;border-radius:12px;background:#0b8f55;color:#fff;font-weight:700;cursor:pointer}.ey-wecom-chat-tip{padding:10px 12px;margin-bottom:10px;background:#fff;border-radius:14px;color:#64748b;font-size:13px;line-height:1.5}.ey-wecom-chat-link{display:block;text-align:center;color:#0b8f55;font-size:12px;text-decoration:none;margin-top:8px}.ey-wecom-chat-empty{color:#94a3b8;text-align:center;margin-top:120px;font-size:13px}@media(max-width:640px){.ey-wecom-chat{right:14px;bottom:16px}.ey-wecom-chat-panel{position:fixed;left:10px;right:10px;bottom:88px;width:auto;height:70vh;max-width:none}.ey-wecom-chat-btn{width:58px;height:58px}}
.ey-wecom-contact-reminder{background:linear-gradient(135deg,#fff7ed,#fff);border:1px solid #fed7aa;color:#9a3412;box-shadow:0 4px 12px rgba(251,146,60,.12)}.ey-wecom-contact-highlight{border-color:#f59e0b!important;box-shadow:0 0 0 3px rgba(245,158,11,.16)!important;background:#fffbeb!important}.ey-wecom-chat-sub{font-weight:500;letter-spacing:.2px}

/* KWN v10: position chat button in the right-side floating stack */
@media (min-width: 992px){
  .kang-service-float .action-top{margin-top:80px!important;}
  .ey-wecom-chat{
    right:18px!important;
    top:calc(50% + 6px)!important;
    bottom:auto!important;
    z-index:1300!important;
  }
  .ey-wecom-chat-btn{
    width:68px!important;
    height:68px!important;
    border-radius:22px!important;
    box-shadow:0 16px 34px rgba(16,44,73,.16)!important;
  }
  .ey-wecom-chat-btn svg{
    width:24px!important;
    height:24px!important;
    margin-bottom:4px!important;
  }
  .ey-wecom-chat-btn span{
    font-size:12px!important;
    line-height:1.38!important;
    font-weight:800!important;
    letter-spacing:.2px!important;
  }
  .ey-wecom-chat-panel{
    position:fixed!important;
    right:104px!important;
    top:50%!important;
    bottom:auto!important;
    transform:translateY(-50%)!important;
    max-height:calc(100vh - 76px)!important;
  }
}
@media (max-width: 991px){
  .kang-mobile-float-group .tone-top{margin-top:64px!important;}
  .ey-wecom-chat{
    right:12px!important;
    bottom:140px!important;
    top:auto!important;
    z-index:1300!important;
  }
  .ey-wecom-chat-btn{
    width:54px!important;
    height:54px!important;
    border-radius:50%!important;
    font-size:13px!important;
    box-shadow:0 14px 32px rgba(16,44,73,.24)!important;
  }
  .ey-wecom-chat-btn svg{
    width:23px!important;
    height:23px!important;
    margin-bottom:3px!important;
  }
}
@media (max-width:640px){
  .ey-wecom-chat-panel{
    position:fixed!important;
    left:10px!important;
    right:10px!important;
    top:auto!important;
    bottom:88px!important;
    width:auto!important;
    height:70vh!important;
    max-width:none!important;
    transform:none!important;
  }
}