:root{--wps-blue:#2160e9;--wps-blue-light:#3b7bff;--wps-green:#2bb673;--wps-red:#e04a2f;--bg:#f2f4f8;--panel:#fff;--border:#dfe3ea;--border-strong:#c6ccd8;--text:#2b2f36;--text-muted:#7a828e;--hover:#eef2fb;--active:#dde7fd;--shadow:0 1px 4px #0000000f}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{color:var(--text);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:14px;overflow:hidden}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}.app{flex-direction:column;height:100vh;display:flex}.titlebar{background:var(--panel);border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;height:48px;padding:0 12px;display:flex}.titlebar-left,.titlebar-right{align-items:center;gap:10px;display:flex}.brand{align-items:center;gap:8px;display:flex}.brand-badge{color:#fff;background:linear-gradient(135deg, var(--wps-blue) 0%, var(--wps-green) 100%);border-radius:7px;justify-content:center;align-items:center;width:26px;height:26px;display:flex}.brand-name{background:linear-gradient(90deg, var(--wps-blue), var(--wps-green));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:15px;font-weight:700}.titlebar-divider{background:var(--border);width:1px;height:22px}.doc-title-wrap{align-items:center;gap:8px;display:flex}.doc-title{text-overflow:ellipsis;white-space:nowrap;cursor:text;border-radius:5px;max-width:320px;padding:3px 8px;font-size:15px;font-weight:600;overflow:hidden}.doc-title:hover{background:var(--hover)}.doc-title-input{border:1px solid var(--wps-blue);border-radius:5px;outline:none;padding:3px 8px;font-family:inherit;font-size:15px;font-weight:600}.save-status{color:var(--text-muted);font-size:12px;transition:color .2s}.save-status.saving{color:#e8a33d}.tb-btn{color:var(--text);border-radius:6px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;transition:background .15s;display:inline-flex}.tb-btn:hover{background:var(--hover)}.tb-btn.active{background:var(--active);color:var(--wps-blue)}.tb-btn.danger:hover{color:var(--wps-red);background:#fdecec}.ai-btn{background:linear-gradient(135deg, var(--wps-blue), var(--wps-green));color:#fff;font-weight:500}.ai-btn:hover{filter:brightness(1.08);color:#fff}.ai-btn.active{background:linear-gradient(135deg, var(--wps-blue), var(--wps-green));color:#fff;filter:brightness(.9)}.export-menu-wrap{position:relative}.dropdown{background:var(--panel);border:1px solid var(--border);z-index:100;border-radius:8px;min-width:210px;padding:5px;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 4px 16px #0000001f}.dropdown button{text-align:left;border-radius:5px;width:100%;padding:8px 10px;font-size:13px;display:block}.dropdown button:hover{background:var(--hover)}.app-main{flex:1;min-height:0;display:flex}.sidebar{background:var(--panel);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;width:220px;min-height:0;display:flex}.sidebar-header{color:var(--text-muted);justify-content:space-between;align-items:center;padding:12px 14px 8px;font-size:13px;font-weight:600;display:flex}.icon-btn{width:26px;height:26px;color:var(--text-muted);border-radius:6px;justify-content:center;align-items:center;display:flex}.icon-btn:hover{background:var(--hover);color:var(--wps-blue)}.sidebar-list{flex:1;padding:4px 8px 12px;overflow-y:auto}.doc-item{cursor:pointer;color:var(--text-muted);border-radius:7px;align-items:center;gap:8px;margin-bottom:2px;padding:8px 10px;transition:background .12s;display:flex}.doc-item:hover{background:var(--hover);color:var(--text)}.doc-item.active{background:var(--active);color:var(--wps-blue)}.doc-item.active .doc-item-title{color:var(--wps-blue);font-weight:600}.doc-item-body{flex-direction:column;min-width:0;display:flex}.doc-item-title{color:inherit;white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.doc-item-date{color:var(--text-muted);margin-top:2px;font-size:11px}.sidebar-empty{text-align:center;color:var(--text-muted);padding:20px 10px;font-size:12px}.editor-wrap{background:var(--bg);flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.editor-tabs{flex-shrink:0;align-items:center;gap:4px;height:38px;padding:6px 10px 0;display:flex}.sidebar-toggle{width:28px;height:28px;color:var(--text-muted);border-radius:6px;justify-content:center;align-items:center;margin-right:4px;display:flex}.sidebar-toggle:hover{background:var(--hover);color:var(--wps-blue)}.tab{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;border:1px solid #0000;border-bottom:none;border-radius:7px 7px 0 0;max-width:160px;padding:6px 14px;font-size:13px;transition:background .12s;overflow:hidden}.tab:hover{background:var(--hover);color:var(--text)}.tab.active{background:var(--panel);border-color:var(--border);color:var(--wps-blue);font-weight:600}.editor-area{flex-direction:column;flex:1;min-height:0;display:flex}.toolbar{background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:8px;flex-shrink:0;margin:0 14px 10px;padding:6px 10px;overflow-x:auto}.toolbar-row{align-items:center;gap:4px;display:flex}.tool-group{align-items:center;gap:2px;display:flex}.tool-divider{background:var(--border);width:1px;height:24px;margin:0 8px}.tool-btn{width:30px;height:30px;color:var(--text);border-radius:6px;justify-content:center;align-items:center;transition:background .12s;display:flex}.tool-btn:hover{background:var(--hover)}.tool-btn.active{background:var(--active);color:var(--wps-blue)}.tool-btn:disabled{opacity:.35;cursor:not-allowed}.tool-select-wrap{position:relative}.tool-select{border:1px solid var(--border);background:var(--panel);height:30px;color:var(--text);cursor:pointer;border-radius:6px;outline:none;padding:0 8px;font-family:inherit;font-size:13px}.tool-select-wrap.narrow .tool-select{width:64px;padding:0 4px}.color-tools{align-items:center;display:flex}.color-label{cursor:pointer;border-radius:6px;justify-content:center;align-items:center;width:30px;height:30px;font-size:15px;font-weight:700;display:flex;position:relative}.color-label:hover{background:var(--hover)}.color-label input[type=color]{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;inset:0}.color-char{pointer-events:none}.editor-scroll{flex:1;padding:12px 24px 60px;overflow-y:auto}.editor-page{background:var(--panel);border:1px solid var(--border);border-radius:4px;max-width:820px;min-height:400px;margin:0 auto;padding:56px 72px;box-shadow:0 2px 10px #00000014}.tiptap-editor{outline:none;min-height:300px;font-size:15px;line-height:1.8}.tiptap-editor h1{margin:.6em 0 .5em;font-size:28px;font-weight:700;line-height:1.3}.tiptap-editor h2{margin:.7em 0 .4em;font-size:22px;font-weight:700;line-height:1.35}.tiptap-editor h3{margin:.7em 0 .4em;font-size:18px;font-weight:600}.tiptap-editor p{margin:.35em 0}.tiptap-editor ul,.tiptap-editor ol{margin:.4em 0;padding-left:1.6em}.tiptap-editor blockquote{border-left:4px solid var(--wps-blue-light);color:#555;background:#f6f9ff;margin:.6em 0;padding-left:14px}.tiptap-editor pre{border:1px solid var(--border);background:#f6f8fa;border-radius:6px;padding:12px 14px;font-family:Consolas,Menlo,monospace;font-size:13px;overflow-x:auto}.tiptap-editor code{background:#f0f2f5;border-radius:4px;padding:1px 5px;font-family:Consolas,Menlo,monospace;font-size:.9em}.tiptap-editor pre code{background:0 0;padding:0}.tiptap-editor hr{border:none;border-top:1px solid var(--border);margin:1.2em 0}.tiptap-editor table{border-collapse:collapse;table-layout:fixed;width:100%;margin:.8em 0}.tiptap-editor th,.tiptap-editor td{border:1px solid var(--border-strong);padding:6px 10px;position:relative}.tiptap-editor th{text-align:left;background:#f5f7fa;font-weight:600}.tiptap-editor img{border-radius:4px;max-width:100%}.tiptap-editor a{color:var(--wps-blue);text-decoration:underline}.tiptap-editor p.is-editor-empty:first-child:before{content:attr(data-placeholder);float:left;color:#b0b6c0;pointer-events:none;height:0}.tiptap-editor .selectedCell:after{content:"";pointer-events:none;background:#2160e914;position:absolute;inset:0}.findreplace{background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:8px;flex-wrap:wrap;align-items:center;gap:8px;margin:0 14px 8px;padding:8px 12px;display:flex}.fr-field{color:var(--text-muted);background:#f5f7fa;border-radius:6px;align-items:center;gap:6px;padding:6px 10px;display:flex;position:relative}.fr-field input{width:160px;color:var(--text);background:0 0;border:none;outline:none;font-family:inherit;font-size:13px}.fr-count{color:var(--text-muted);white-space:nowrap;font-size:12px}.fr-actions{gap:4px;display:flex}.fr-actions button{color:var(--text);border:1px solid var(--border);border-radius:6px;padding:5px 10px;font-size:12px}.fr-actions button:hover:not(:disabled){background:var(--hover);border-color:var(--border-strong)}.fr-actions button:disabled{opacity:.4;cursor:not-allowed}.fr-close{width:26px;height:26px;color:var(--text-muted);border-radius:6px;justify-content:center;align-items:center;margin-left:auto;display:flex}.fr-close:hover{background:var(--hover);color:var(--wps-red)}.aipanel{background:var(--panel);border-left:1px solid var(--border);flex-direction:column;flex-shrink:0;width:320px;min-height:0;display:flex}.aipanel-header{border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:8px;padding:12px 14px;display:flex}.aipanel-title{color:var(--wps-blue);align-items:center;gap:7px;font-size:14px;font-weight:700;display:flex}.aipanel-badge{color:#8a6d00;background:#fff4d6;border-radius:4px;padding:1px 7px;font-size:11px}.aipanel-close{width:28px;height:28px;color:var(--text-muted);border-radius:6px;justify-content:center;align-items:center;margin-left:auto;display:flex}.aipanel-close:hover{background:var(--hover);color:var(--wps-red)}.aipanel-tabs{flex-shrink:0;gap:4px;padding:8px 14px 0;display:flex}.aipanel-tabs button{color:var(--text-muted);border:1px solid #0000;border-bottom-width:2px;border-radius:7px 7px 0 0;flex:1;padding:8px 0;font-size:13px}.aipanel-tabs button.active{color:var(--wps-blue);border-bottom-color:var(--wps-blue);font-weight:600}.aipanel-body{flex:1;padding:12px 14px;overflow-y:auto}.ai-selection-info{background:#eef4ff;border:1px solid #d4e3ff;border-radius:8px;align-items:center;gap:6px;margin-bottom:10px;padding:7px 10px;font-size:12px;display:flex}.ai-selection-label{color:var(--wps-blue);flex-shrink:0;font-weight:600}.ai-selection-text{text-overflow:ellipsis;white-space:nowrap;color:var(--text);flex:1;overflow:hidden}.ai-selection-count{color:var(--text-muted);flex-shrink:0}.ai-target-row{gap:6px;margin-bottom:12px;display:flex}.ai-target{border:1px solid var(--border);color:var(--text-muted);border-radius:7px;flex:1;padding:7px 0;font-size:13px;transition:all .12s}.ai-target:hover:not(:disabled){background:var(--hover)}.ai-target.active{border-color:var(--wps-blue);color:var(--wps-blue);background:#eef4ff;font-weight:600}.ai-target:disabled{opacity:.4;cursor:not-allowed}.ai-action-group-label{color:var(--text-muted);margin:14px 0 8px;font-size:12px;font-weight:600}.ai-action-grid{grid-template-columns:repeat(3,1fr);gap:7px;display:grid}.ai-action{border:1px solid var(--border);border-radius:7px;padding:8px 0;font-size:13px;transition:all .12s}.ai-action:hover:not(:disabled){border-color:var(--wps-blue);color:var(--wps-blue);background:#f5f9ff}.ai-action.primary{border-color:var(--wps-blue);background:var(--wps-blue);color:#fff}.ai-action.primary:hover:not(:disabled){background:var(--wps-blue-light);color:#fff}.ai-action:disabled{opacity:.45;cursor:not-allowed}.ai-translate{gap:7px;display:flex}.ai-select{border:1px solid var(--border);color:var(--text);background:var(--panel);border-radius:7px;outline:none;flex:1;padding:8px;font-family:inherit;font-size:13px}.ai-loading{color:var(--wps-blue);align-items:center;gap:8px;margin:14px 0;font-size:13px;animation:1.2s ease-in-out infinite pulse;display:flex}@keyframes pulse{0%,to{opacity:1}50%{opacity:.55}}.ai-error{color:#b3261e;background:#fdecec;border:1px solid #f5c6c6;border-radius:7px;margin:12px 0;padding:9px 12px;font-size:12px}.ai-result{background:#fbfdff;border:1px solid #cde3ff;border-radius:9px;margin-top:14px;overflow:hidden}.ai-result-head{background:#eef4ff;border-bottom:1px solid #d4e3ff;align-items:center;gap:8px;padding:8px 12px;display:flex}.ai-result-title{color:var(--wps-blue);font-size:13px;font-weight:700}.ai-result-mock{color:#8a6d00;background:#fff4d6;border-radius:4px;padding:1px 7px;font-size:11px}.ai-result-applied{color:#1a7f44;background:#e3f8ec;border-radius:4px;padding:1px 7px;font-size:11px}.ai-result-content{max-height:300px;padding:12px;font-size:13px;line-height:1.7;overflow-y:auto}.ai-result-content h1{font-size:18px}.ai-result-content h2{font-size:16px}.ai-result-content h3{font-size:15px}.ai-result-content h1,.ai-result-content h2,.ai-result-content h3,.ai-result-content p,.ai-result-content ol,.ai-result-content ul,.ai-result-content blockquote{margin:.4em 0}.ai-result-content ol,.ai-result-content ul{padding-left:1.4em}.ai-result-content pre{background:#f0f2f5;border-radius:6px;padding:8px 10px;font-family:Consolas,Menlo,monospace;font-size:12px;overflow-x:auto}.ai-result-content code{background:#f0f2f5;border-radius:3px;padding:0 4px;font-family:Consolas,Menlo,monospace;font-size:.9em}.ai-result-content blockquote{border-left:3px solid var(--wps-blue-light);color:#555;padding-left:10px}.ai-result-actions{border-top:1px solid #e3ecfb;gap:7px;padding:10px 12px;display:flex}.ai-result-btn{border:1px solid var(--border);color:var(--text);border-radius:6px;flex:1;justify-content:center;align-items:center;gap:4px;padding:7px 0;font-size:12px;display:flex}.ai-result-btn:first-child{border-color:var(--wps-blue);background:var(--wps-blue);color:#fff}.ai-result-btn:first-child:hover{background:var(--wps-blue-light)}.ai-result-btn:hover{background:var(--hover)}.aipanel-chat{flex-direction:column;flex:1;min-height:0;display:flex}.chat-messages{flex:1;padding:12px 14px;overflow-y:auto}.chat-empty{text-align:center;color:var(--text-muted);padding:30px 10px;font-size:13px}.chat-empty p{margin-top:10px}.chat-empty svg{color:var(--wps-blue)}.chat-msg{margin-bottom:10px}.chat-msg.user{justify-content:flex-end;display:flex}.chat-msg.assistant{justify-content:flex-start;display:flex}.chat-msg-content{white-space:pre-wrap;word-break:break-word;border-radius:10px;max-width:88%;padding:9px 12px;font-size:13px;line-height:1.6}.chat-msg.user .chat-msg-content{background:var(--wps-blue);color:#fff;border-bottom-right-radius:3px}.chat-msg.assistant .chat-msg-content{color:var(--text);background:#f2f4f8;border-bottom-left-radius:3px}.ai-loading-inline{color:var(--wps-blue);align-items:center;gap:6px;display:flex}.chat-input-bar{border-top:1px solid var(--border);gap:8px;padding:10px 14px 14px;display:flex}.chat-input-bar textarea{border:1px solid var(--border);resize:none;color:var(--text);border-radius:8px;outline:none;flex:1;padding:8px 10px;font-family:inherit;font-size:13px;line-height:1.5}.chat-input-bar textarea:focus{border-color:var(--wps-blue)}.chat-send{background:var(--wps-blue);color:#fff;border-radius:8px;flex-shrink:0;justify-content:center;align-self:flex-end;align-items:center;width:36px;height:36px;display:flex}.chat-send:hover:not(:disabled){background:var(--wps-blue-light)}.chat-send:disabled{opacity:.4;cursor:not-allowed}.statusbar{background:var(--panel);border-top:1px solid var(--border);height:30px;color:var(--text-muted);flex-shrink:0;justify-content:space-between;align-items:center;padding:0 14px;font-size:12px;display:flex}.statusbar-left,.statusbar-right{align-items:center;gap:16px;display:flex}.status-ai{color:var(--wps-blue);align-items:center;gap:5px;font-weight:500;display:flex}::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-thumb{background:#cdd3dd padding-box padding-box;border:2px solid #0000;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#b4bcc8 padding-box padding-box;border:2px solid #0000}::-webkit-scrollbar-track{background:0 0}