.sc-root,.sc-root *{box-sizing:border-box;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.sc-root{--sc-primary:#1f4e79;position:fixed;bottom:16px}.sc-root.sc-right{right:16px}.sc-root.sc-left{left:16px}.sc-bubble{cursor:pointer;background:var(--sc-primary);color:#fff;border:0;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;transition:transform .15s;display:flex;position:relative;box-shadow:0 4px 14px #0000002e}.sc-bubble:hover{transform:scale(1.06)}.sc-badge{color:#fff;background:#d93025;border-radius:9px;justify-content:center;align-items:center;min-width:18px;height:18px;padding:0 5px;font-size:11px;font-weight:600;display:flex;position:absolute;top:-4px;right:-4px}.sc-panel{color:#1d1d1f;background:#fff;border:1px solid #00000014;border-radius:14px;flex-direction:column;width:360px;height:520px;display:flex;position:absolute;bottom:56px;overflow:hidden;box-shadow:0 12px 40px #0003}.sc-right .sc-panel{right:0}.sc-left .sc-panel{left:0}.sc-nobubble .sc-panel{bottom:0}.sc-head{background:var(--sc-primary);color:#fff;align-items:center;gap:8px;padding:12px 12px 12px 16px;display:flex}.sc-title{flex:1;margin:0;font-size:15px;font-weight:600}.sc-hbtn{color:#fff;cursor:pointer;background:#ffffff24;border:0;border-radius:6px;padding:5px 8px;font-size:12px}.sc-hbtn:hover{background:#ffffff42}.sc-hbtn:disabled{opacity:.5;cursor:default}.sc-list{background:#f6f7f9;flex-direction:column;flex:1;gap:8px;padding:14px;display:flex;overflow-y:auto}.sc-row{flex-direction:column;max-width:82%;display:flex}.sc-row.sc-user{align-self:flex-end;align-items:flex-end}.sc-row.sc-agent{align-self:flex-start;align-items:flex-start}.sc-row.sc-system{align-self:center;align-items:center;max-width:100%}.sc-name{color:#6b7280;margin:0 4px 2px;font-size:11px}.sc-msg{white-space:pre-wrap;word-break:break-word;border-radius:12px;padding:8px 11px;font-size:14px;line-height:1.4}.sc-user .sc-msg{background:var(--sc-primary);color:#fff;border-bottom-right-radius:4px}.sc-agent .sc-msg{background:#fff;border:1px solid #e5e7eb;border-bottom-left-radius:4px}.sc-system .sc-msg{color:#6b7280;background:0 0;padding:2px 8px;font-size:12px}.sc-time{color:#9ca3af;margin:2px 4px 0;font-size:10px}.sc-wait{color:#6b7280;align-self:flex-end;font-size:11px;font-style:italic}.sc-welcome{align-self:flex-start}.sc-alert{color:#8a5300;background:#fff4e5;border-top:1px solid #f5d9a8;justify-content:space-between;gap:8px;padding:6px 12px;font-size:12px;display:flex}.sc-alert button{color:inherit;cursor:pointer;background:0 0;border:0;font-size:12px;text-decoration:underline}.sc-form{background:#fff;border-top:1px solid #e5e7eb;gap:8px;padding:10px;display:flex}.sc-input{resize:none;color:#1d1d1f;background:#fff;border:1px solid #d1d5db;border-radius:10px;outline:none;flex:1;min-height:38px;max-height:120px;padding:8px 10px;font-size:14px}.sc-input:focus{border-color:var(--sc-primary)}.sc-send{background:var(--sc-primary);color:#fff;cursor:pointer;border:0;border-radius:10px;padding:0 14px;font-size:14px}.sc-send:disabled{opacity:.5;cursor:default}.sc-dragging .sc-list{outline:2px dashed var(--sc-primary);outline-offset:-6px}.sc-drop{z-index:2;color:var(--sc-primary);pointer-events:none;background:#ffffffe0;justify-content:center;align-items:center;font-size:14px;font-weight:600;display:flex;position:absolute;inset:0}.sc-attach{color:#6b7280;cursor:pointer;background:0 0;border:0;border-radius:8px;flex:0 0 34px;justify-content:center;align-items:center;width:34px;display:flex}.sc-attach:hover{color:var(--sc-primary);background:#f3f4f6}.sc-attach:disabled{opacity:.5;cursor:default}.sc-status{color:#374151;background:#eef2f7;border-top:1px solid #e5e7eb;padding:6px 12px;font-size:12px}.sc-file-chip{color:#1d1d1f;background:#fafafa;border-top:1px solid #e5e7eb;align-items:center;gap:8px;padding:8px 12px;font-size:13px;display:flex}.sc-file-chip button{cursor:pointer;color:#6b7280;background:0 0;border:0;margin-left:auto;padding:2px 4px;font-size:13px}.sc-file-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.sc-file-size{color:#6b7280;flex-shrink:0;font-size:11px}.sc-file{color:#1d1d1f;background:#fff;border:1px solid #e5e7eb;border-radius:10px;align-items:center;gap:8px;max-width:240px;margin-top:4px;padding:8px 10px;font-size:13px;text-decoration:none;display:flex}.sc-file:hover{border-color:var(--sc-primary)}.sc-file-off{opacity:.6}.sc-thumb{margin-top:4px;line-height:0;display:block}.sc-thumb img{object-fit:cover;border:1px solid #e5e7eb;border-radius:10px;max-width:200px;max-height:200px}@media (width<=600px){.sc-root.sc-open{inset:0}.sc-open .sc-panel{border-radius:0;width:100%;height:100%;position:fixed;inset:0}.sc-open .sc-bubble{display:none}}