#ic4-ai-sdr-root{position:fixed;right:24px;bottom:24px;z-index:999999;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC",Arial,sans-serif;color:#0f172a}.ic4-float-wrap{position:relative;display:flex;align-items:flex-end;gap:14px}.ic4-tooltip{display:none;position:absolute;right:0;bottom:72px;background:#fff;color:#0f172a;padding:11px 14px;border:1px solid #e5e7eb;border-radius:14px;font-size:14px;font-weight:700;box-shadow:0 12px 30px rgba(15,23,42,.12);white-space:nowrap;max-width:270px}.ic4-tooltip:after{content:"";position:absolute;right:24px;bottom:-8px;border-width:8px 8px 0 8px;border-style:solid;border-color:#fff transparent transparent transparent;filter:drop-shadow(0 1px 0 #e5e7eb)}.ic4-launcher{width:56px;height:56px;border-radius:50%;border:1px solid #d9dee7;background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s ease,border-color .2s ease;padding:0;overflow:hidden;box-shadow:none}.ic4-launcher:hover{transform:translateY(-2px) scale(1.04);border-color:#94a3b8}.ic4-launcher img{width:56px;height:56px;display:block;object-fit:cover;border-radius:50%}.ic4-badge{position:absolute;right:0;bottom:42px;width:10px;height:10px;background:#ef4444;border:2px solid #fff;border-radius:50%}.ic4-chat{width:760px;max-width:calc(100vw - 32px);height:680px;max-height:calc(100vh - 80px);background:#fff;border:1px solid #d7dde6;border-radius:18px;box-shadow:0 18px 50px rgba(15,23,42,.14);overflow:hidden;display:none;flex-direction:column}.ic4-chat.open{display:flex}.ic4-header{background:linear-gradient(135deg,#061831,#0b2f66);padding:18px 24px;display:flex;align-items:center;justify-content:space-between;color:#fff}.ic4-header-left{display:flex;align-items:center;gap:14px}.ic4-header-avatar{width:54px;height:54px;border-radius:50%;background:#fff;border:1px solid rgba(255,255,255,.7);object-fit:cover;display:block}.ic4-title{font-size:28px;font-weight:800;color:#fff;line-height:1.15;letter-spacing:.2px}.ic4-subtitle{font-size:18px;color:rgba(255,255,255,.92);font-weight:600;margin-top:4px}.ic4-lang{display:none}.ic4-close{border:0;background:transparent;color:rgba(255,255,255,.86);width:38px;height:38px;cursor:pointer;font-size:44px;line-height:30px;font-weight:200;padding:0;display:flex;align-items:center;justify-content:center}.ic4-close:hover{color:#fff;background:transparent}.ic4-messages{flex:1;overflow-y:auto;background:#fff;padding:26px 28px 14px;display:flex;flex-direction:column;gap:12px}.ic4-msgrow{display:flex;align-items:flex-start;gap:12px;max-width:86%}.ic4-msgrow.bot{align-self:flex-start}.ic4-msgrow.user{align-self:flex-end;justify-content:flex-end}.ic4-avatar{width:42px;height:42px;border-radius:50%;object-fit:cover;flex:0 0 auto}.ic4-msgwrap{display:flex;flex-direction:column;gap:6px}.ic4-name{font-size:14px;line-height:1;color:#6b7280;font-weight:600}.ic4-msg{padding:14px 18px;border-radius:17px;font-size:18px;line-height:1.55;font-weight:500;white-space:pre-wrap;word-break:break-word}.ic4-msg.bot{background:#f3f4f6;color:#111827;border-top-left-radius:6px}.ic4-msg.user{background:#06234d;color:#fff;border-bottom-right-radius:6px}.ic4-time{font-size:13px;color:#6b7280}.ic4-msgrow.user .ic4-time{text-align:right}.ic4-quick{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0 10px 64px}.ic4-chip{border:1.5px solid #1d4ed8;background:#fff;color:#0b4bbb;padding:9px 22px;border-radius:12px;font-size:18px;font-weight:700;cursor:pointer;transition:background .18s ease,transform .18s ease}.ic4-chip:hover{background:#eff6ff;transform:translateY(-1px)}.ic4-input-row{border-top:1px solid #e5e7eb;padding:16px 22px 10px;background:#fff;display:grid;grid-template-columns:1fr 58px;gap:12px;align-items:end}.ic4-input-wrap{position:relative}.ic4-input{width:100%;min-height:56px;max-height:120px;resize:none;border:1px solid #d1d5db;border-radius:28px;padding:16px 54px 16px 22px;font-size:18px;line-height:1.45;color:#111827;outline:none;box-sizing:border-box;font-family:inherit;overflow-y:auto;background:#fff}.ic4-input:focus{border-color:#1d4ed8;box-shadow:0 0 0 3px rgba(29,78,216,.08)}.ic4-emoji{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:#6b7280;font-size:25px;line-height:1}.ic4-send{width:58px;height:58px;border:0;background:#0d56bd;color:#fff;border-radius:50%;padding:0;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .18s ease,background .18s ease;box-shadow:none}.ic4-send:hover{background:#084ba8;transform:translateY(-1px)}.ic4-send svg{width:27px;height:27px;display:block}.ic4-input-help{grid-column:1/-1;color:#6b7280;font-size:15px;padding-left:4px;margin-top:-2px}.ic4-lead-form{display:none}@media(max-width:820px){
  #ic4-ai-sdr-root{right:14px;bottom:14px}
  .ic4-chat{
    width:calc(100vw - 24px);
    height:70dvh;
    max-height:560px;
    min-height:420px;
    border-radius:16px;
  }
  .ic4-header{padding:10px 14px;min-height:56px;box-sizing:border-box}
  .ic4-header-left{gap:10px}
  .ic4-header-avatar{width:40px;height:40px}
  .ic4-title{font-size:18px;line-height:1.15}
  .ic4-subtitle{font-size:12px;margin-top:2px}
  .ic4-close{font-size:32px;width:30px;height:30px;line-height:1}
  .ic4-messages{padding:14px 12px 8px;gap:9px}
  .ic4-avatar{width:32px;height:32px}
  .ic4-msgrow{max-width:94%;gap:8px}
  .ic4-name{font-size:12px}
  .ic4-msg{font-size:14px;line-height:1.45;padding:10px 12px;border-radius:14px}
  .ic4-time{font-size:11px}
  .ic4-quick{margin-left:40px;gap:8px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch}
  .ic4-chip{font-size:14px;padding:8px 10px;border-radius:10px;white-space:normal;line-height:1.25;text-align:center}
  .ic4-input-row{padding:10px 10px 8px;grid-template-columns:1fr 48px;gap:8px}
  .ic4-input{min-height:48px;max-height:92px;padding:12px 40px 12px 14px;font-size:14px;border-radius:18px}
  .ic4-emoji{right:12px;font-size:20px}
  .ic4-send{width:48px;height:48px}
  .ic4-send svg{width:23px;height:23px}
  .ic4-input-help{font-size:12px;line-height:1.3;margin-top:-4px}
  .ic4-launcher{width:52px;height:52px}
  .ic4-launcher img{width:52px;height:52px}
  .ic4-badge{bottom:39px}
}
@media(max-width:520px){
  #ic4-ai-sdr-root{right:12px;bottom:calc(12px + env(safe-area-inset-bottom))}
  .ic4-chat{
    width:calc(100vw - 20px);
    height:68dvh;
    max-height:520px;
    min-height:380px;
  }
  .ic4-header{padding:9px 12px;min-height:52px}
  .ic4-header-avatar{width:36px;height:36px}
  .ic4-title{font-size:17px}
  .ic4-subtitle{font-size:11px}
  .ic4-close{font-size:30px;width:28px;height:28px}
  .ic4-messages{padding:12px 10px 8px}
  .ic4-msg{font-size:14px;padding:9px 11px}
  .ic4-quick{margin-left:38px;gap:7px}
  .ic4-chip{font-size:13px;padding:8px 8px}
  .ic4-input-row{padding:8px 8px 7px;grid-template-columns:1fr 46px}
  .ic4-input{min-height:46px;font-size:14px;padding:11px 38px 11px 13px}
  .ic4-send{width:46px;height:46px}
  .ic4-input-help{display:none}
}
@supports(height:100dvh){
  @media(max-width:820px){.ic4-chat{height:min(70dvh,560px)}}
  @media(max-width:520px){.ic4-chat{height:min(68dvh,520px)}}
}

@media(max-width:520px){.ic4-tooltip{right:0;bottom:66px;max-width:230px;font-size:13px;padding:10px 12px;white-space:normal;line-height:1.35}}


/* V2.1.9 Fixed Height Mobile Edition */
@media(max-width:820px){
  .ic4-chat.open{
    width:calc(100vw - 20px) !important;
    left:10px !important;
    right:10px !important;
    bottom:calc(76px + env(safe-area-inset-bottom)) !important;
    height:var(--ic4-mobile-height, 70dvh) !important;
    max-height:var(--ic4-mobile-height, 70dvh) !important;
    min-height:0 !important;
    box-sizing:border-box !important;
    position:fixed !important;
  }
  .ic4-chat.open:focus-within{
    height:var(--ic4-mobile-height, 70dvh) !important;
    max-height:var(--ic4-mobile-height, 70dvh) !important;
  }
  .ic4-input-row{
    flex:0 0 auto !important;
  }
  .ic4-messages{
    min-height:0 !important;
    flex:1 1 auto !important;
    overflow-y:auto !important;
  }
  .ic4-input{
    min-height:46px !important;
    max-height:92px !important;
    overflow-y:auto !important;
  }
}
@media(max-width:520px){
  .ic4-chat.open{
    width:calc(100vw - 20px) !important;
    left:10px !important;
    right:10px !important;
    height:var(--ic4-mobile-height, 68dvh) !important;
    max-height:var(--ic4-mobile-height, 68dvh) !important;
  }
}