.cw-root{--cw-primary:var(--color-brand-500);--cw-primary-d:#e05e10;--cw-primary-l:rgba(255,114,36,.10);--cw-border:#eef0f3;--cw-surface:#ffffff;--cw-chat-bg:#f4f5f7;--cw-bubble-me:var(--color-brand-500);--cw-bubble-other:#ffffff;--cw-text-1:#1a1a1a;--cw-text-2:#555;--cw-text-3:#aaa;--cw-radius:14px;--cw-shadow:0 2px 12px rgba(0,0,0,.08);font-family:-apple-system,'PingFang SC','Helvetica Neue',sans-serif;display:flex;flex-direction:column;width:100%;height:100%;min-height:360px;border-radius:var(--cw-radius);overflow:hidden;border:1px solid var(--cw-border);box-shadow:var(--cw-shadow);background:var(--cw-surface)}.cw-header{display:flex;align-items:center;justify-content:space-between;padding:0 14px;height:52px;flex-shrink:0;border-bottom:1px solid var(--cw-border);background:var(--cw-surface);user-select:none}.cw-header-left{display:flex;align-items:center;gap:9px;min-width:0;flex:1}.cw-header-avatar{width:34px;height:34px;border-radius:8px;object-fit:cover;flex-shrink:0;background:var(--cw-primary-l)}.cw-header-avatar-group{width:34px;height:34px;border-radius:8px;background:var(--cw-primary-l);display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0;color:var(--cw-primary)}.cw-header-info{display:flex;flex-direction:column;min-width:0;justify-content:center}.cw-header-name{font-size:14px;font-weight:700;color:var(--cw-text-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cw-header-sub{font-size:11px;color:var(--cw-text-3);margin-top:1px}.cw-header-actions{display:flex;align-items:center;gap:4px;flex-shrink:0}.cw-header-btn{width:30px;height:30px;border:none;background:none;border-radius:7px;color:var(--cw-text-3);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s}.cw-header-btn:hover{background:var(--cw-primary-l);color:var(--cw-primary)}.cw-header-btn svg{width:16px;height:16px}.cw-close-btn{display:none}.cw-root.cw-popup-mode .cw-close-btn{display:flex}.cw-body{flex:1;overflow-y:auto;padding:14px 14px 6px;background:var(--cw-chat-bg);display:flex;flex-direction:column;scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:rgba(0,0,0,.1) transparent}.cw-body::-webkit-scrollbar{width:3px}.cw-body::-webkit-scrollbar-thumb{background:rgba(0,0,0,.12);border-radius:3px}.cw-loading-tip{text-align:center;padding:16px;font-size:12px;color:var(--cw-text-3)}.cw-load-more{text-align:center;padding:8px 0 4px}.cw-load-more-btn{font-size:12px;color:var(--cw-primary);background:none;border:1px solid rgba(255,114,36,.2);border-radius:20px;padding:3px 16px;cursor:pointer;transition:all .2s}.cw-load-more-btn:hover{background:var(--cw-primary-l)}.cw-time-divider{display:flex;align-items:center;justify-content:center;margin:10px 0 6px}.cw-time-divider span{font-size:11px;color:var(--cw-text-3);background:rgba(0,0,0,.05);padding:2px 10px;border-radius:20px}.cw-msg-row{display:flex;align-items:flex-end;gap:8px;margin-bottom:8px;animation:cw-msg-in .2s ease both}@keyframes cw-msg-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.cw-msg-row.cw-self{flex-direction:row-reverse}.cw-msg-avatar{width:32px;height:32px;border-radius:8px;object-fit:cover;flex-shrink:0;align-self:flex-start;margin-top:2px;background:#e0e0e0}.cw-msg-col{display:flex;flex-direction:column;max-width:66%;min-width:0}.cw-msg-row.cw-self .cw-msg-col{align-items:flex-end}.cw-msg-sender{font-size:11px;color:var(--cw-text-3);margin-bottom:3px;padding:0 2px}.cw-bubble{display:inline-block;padding:9px 13px;background:var(--cw-bubble-other);color:var(--cw-text-1);font-size:13.5px;line-height:1.65;word-break:break-all;border-radius:4px 14px 14px 14px;box-shadow:0 1px 3px rgba(0,0,0,.07);position:relative;max-width:100%;transition:box-shadow .2s}.cw-bubble:hover{box-shadow:0 2px 8px rgba(0,0,0,.12)}.cw-msg-row.cw-self .cw-bubble{background:var(--cw-bubble-me);color:#fff;border-radius:14px 4px 14px 14px}.cw-bubble-img{max-width:190px;max-height:190px;border-radius:10px;display:block;cursor:zoom-in;object-fit:cover;box-shadow:0 1px 4px rgba(0,0,0,.1)}.cw-bubble-file{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--cw-surface);border:1px solid var(--cw-border);border-radius:10px;cursor:pointer;min-width:160px}.cw-bubble-file-icon{font-size:26px}.cw-bubble-file-name{font-size:13px;font-weight:600;color:var(--cw-text-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:120px}.cw-bubble-file-size{font-size:11px;color:var(--cw-text-3)}.cw-msg-status{font-size:10px;color:var(--cw-text-3);margin-top:2px;padding:0 2px}.cw-msg-row.cw-self .cw-msg-status{text-align:right}.cw-msg-status.failed{color:#e74c3c;cursor:pointer}.cw-emoji-panel{display:none;padding:8px 12px;border-top:1px solid var(--cw-border);background:var(--cw-surface);flex-wrap:wrap;gap:4px;max-height:110px;overflow-y:auto}.cw-emoji-panel.show{display:flex}.cw-emoji-item{font-size:20px;cursor:pointer;padding:3px 5px;border-radius:5px;transition:background .15s;line-height:1;user-select:none}.cw-emoji-item:hover{background:var(--cw-primary-l)}.cw-toolbar{display:flex;align-items:center;gap:2px;padding:7px 12px 0;border-top:1px solid var(--cw-border);background:var(--cw-surface)}.cw-tool-btn{width:30px;height:30px;border:none;background:none;border-radius:7px;color:var(--cw-text-3);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;position:relative;transition:background .15s,color .15s}.cw-tool-btn:hover{background:var(--cw-primary-l);color:var(--cw-primary)}.cw-tool-btn svg{width:17px;height:17px}.cw-tool-btn input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer;font-size:0;width:100%;height:100%}.cw-footer{display:flex;align-items:flex-end;padding:8px 12px 10px;gap:8px;background:var(--cw-surface)}.cw-textarea{flex:1;min-height:36px;max-height:110px;padding:8px 11px;border:1.5px solid var(--cw-border);border-radius:10px;font-size:13.5px;color:var(--cw-text-1);resize:none;outline:none;line-height:1.55;font-family:inherit;background:#fafbfc;transition:border-color .2s,box-shadow .2s;overflow-y:auto}.cw-textarea:focus{border-color:var(--cw-primary);background:#fff;box-shadow:0 0 0 3px var(--cw-primary-l)}.cw-textarea::placeholder{color:var(--cw-text-3)}.cw-send-btn{width:38px;height:36px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--cw-primary);color:#fff;border:none;border-radius:10px;cursor:pointer;transition:background .2s,transform .15s,box-shadow .2s;box-shadow:0 2px 8px rgba(255,114,36,.3)}.cw-send-btn:hover{background:var(--cw-primary-d);transform:translateY(-1px);box-shadow:0 4px 12px rgba(255,114,36,.4)}.cw-send-btn:active{transform:none}.cw-send-btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}.cw-send-btn svg{width:17px;height:17px}.cw-img-preview{display:none;position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.85);align-items:center;justify-content:center;cursor:zoom-out;backdrop-filter:blur(4px)}.cw-img-preview.show{display:flex}.cw-img-preview img{max-width:90vw;max-height:90vh;border-radius:8px;box-shadow:0 8px 40px rgba(0,0,0,.5);cursor:default}.cw-img-preview-close{position:absolute;top:16px;right:20px;background:rgba(255,255,255,.15);border:none;color:#fff;font-size:24px;width:36px;height:36px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.cw-img-preview-close:hover{background:rgba(255,255,255,.25)}.cw-empty,.cw-need-login{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;gap:10px;color:var(--cw-text-3);font-size:13px;padding:30px;text-align:center}.cw-empty svg{opacity:.35}.cw-need-login a{color:var(--cw-primary);text-decoration:none;font-weight:600}@media (max-width:768px){.cw-header{height:46px;padding:0 10px}.cw-header-name{font-size:13px}.cw-body{padding:10px 10px 4px}.cw-msg-col{max-width:74%}.cw-bubble{font-size:13px;padding:8px 11px}.cw-bubble-img{max-width:160px;max-height:160px}.cw-footer{padding:6px 10px 8px;gap:6px}.cw-textarea{font-size:13px;min-height:34px;padding:6px 9px}.cw-send-btn{width:34px;height:34px}}