:root{--ink: #1c1f23;--ink-2: #4a5158;--ink-3: #8a9199;--line: #e5e7eb;--line-2: #eef0f2;--bg: #f4f5f7;--bg-2: #fbfbfc;--paper: #ffffff;--accent: #2563eb;--accent-soft: #eef3ff;--danger: #dc2626;--danger-soft: #fdecec;--ok: #16a34a;--ok-soft: #e9f7ee;--warn: #b45309;--radius: 8px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .04);--shadow-md: 0 4px 12px rgba(16, 24, 40, .08), 0 1px 3px rgba(16, 24, 40, .05);--shadow-lg: 0 24px 60px rgba(16, 24, 40, .18);--toolbar-h: 92px;--font-ui: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", system-ui, -apple-system, sans-serif;--font-doc: "Songti SC", "SimSun", "Source Han Serif SC", "Noto Serif CJK SC", serif}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:var(--font-ui);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-size:14px}button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}[hidden]{display:none!important}.ico{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.app{display:grid;grid-template-columns:264px minmax(0,1fr);height:100vh;overflow:hidden}.app.is-loading{opacity:.6;pointer-events:none}.sidebar{display:flex;flex-direction:column;min-height:0;background:var(--bg-2);border-right:1px solid var(--line)}.sidebar-head{padding:16px 14px 10px;display:grid;gap:12px}.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:34px;height:34px;border-radius:9px;flex:none;background:linear-gradient(140deg,#3b82f6,#1d4ed8);color:#fff;font-family:var(--font-doc);font-size:19px;display:grid;place-items:center;box-shadow:0 2px 6px #2563eb4d}.brand>div{min-width:0}.brand strong{font-size:15px;letter-spacing:.3px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.brand small{display:block;color:var(--ink-3);font-size:11px;margin-top:1px}.brand.big .brand-mark{width:42px;height:42px;font-size:23px}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--accent);color:#fff;border-radius:var(--radius);padding:8px 14px;font-weight:500;transition:.15s;box-shadow:0 1px 2px #2563eb59}.btn-primary:hover{background:#1d4ed8}.btn-primary.block,.btn-ghost.block{width:100%}.search-box{position:relative;display:flex;align-items:center}.search-box .ico{position:absolute;left:9px;color:var(--ink-3);width:14px;height:14px}.search-box input{width:100%;padding:7px 10px 7px 30px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;outline:none;font-size:13px}.search-box input:focus{border-color:#bfdbfe;box-shadow:0 0 0 3px var(--accent-soft)}.doc-list{flex:1;overflow-y:auto;padding:4px 8px 12px;display:grid;gap:2px;align-content:start}.doc-item{display:grid;gap:3px;padding:9px 10px;border-radius:var(--radius);cursor:pointer;border:1px solid transparent;text-align:left}.doc-item:hover{background:#f0f2f5}.doc-item.active{background:#fff;border-color:#dbe3f0;box-shadow:var(--shadow-sm)}.doc-item .t{font-size:13.5px;font-weight:500;white-space:normal;overflow-wrap:anywhere;word-break:break-word;line-height:1.45}.doc-item .m{font-size:11.5px;color:var(--ink-3);display:flex;gap:8px}.doc-item .m .rc{color:var(--accent)}.doc-empty{text-align:center;color:var(--ink-3);font-size:12.5px;padding:30px 10px;line-height:1.7}.sidebar-foot{padding:10px 14px;border-top:1px solid var(--line);font-size:11.5px;color:var(--ink-3);display:flex;justify-content:space-between}.link-btn{color:var(--accent);font-size:11.5px}.main{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--bg)}.topbar{height:56px;flex:none;display:flex;align-items:center;gap:12px;padding:0 16px;background:#fff;border-bottom:1px solid var(--line)}.doc-title{flex:1;min-width:60px;border:1px solid transparent;border-radius:6px;padding:6px 8px;font-size:15px;font-weight:600;outline:none;background:transparent}.doc-title:hover{border-color:var(--line)}.doc-title:focus{border-color:#bfdbfe;background:#fff}.imp-chip{display:inline-flex;align-items:center;gap:7px;flex:none;height:28px;padding:0 10px;border-radius:999px;cursor:pointer;border:1px solid #fed7aa;background:#fff7ed;color:#b45309;font-size:12px;white-space:nowrap;font-family:inherit}.imp-chip:hover{background:#ffedd5;border-color:#fdba74}.imp-chip .imp-dot{width:6px;height:6px;border-radius:50%;background:#f59e0b;box-shadow:0 0 0 3px #f59e0b2e}.imp-chip b{font-weight:600}.imp-chip .imp-back{padding-left:8px;border-left:1px solid #fed7aa;color:#92400e;font-weight:500;text-decoration:underline;text-underline-offset:2px}@media (max-width: 860px){.imp-chip .imp-text{display:none}.imp-chip .imp-back{padding-left:0;border-left:0}}.save-state{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--ink-3);white-space:nowrap}.save-state i{width:6px;height:6px;border-radius:50%;background:var(--ok)}.save-state.saving i{background:var(--warn);animation:pulse 1s infinite}.save-state.saving{color:#92400e}.save-state.dirty{color:#b45309;background:#fff7ed;border:1px solid #fed7aa;padding:3px 9px;border-radius:999px;font-weight:500}.save-state.dirty i{background:#f59e0b}@keyframes pulse{50%{opacity:.25}}.topbar-actions{display:flex;align-items:center;gap:4px}.btn-ghost{display:inline-flex;align-items:center;gap:5px;padding:6px 10px;border-radius:6px;color:var(--ink-2);font-size:12.5px;position:relative}.btn-ghost:hover{background:#f2f4f7;color:var(--ink)}.btn-ghost.sm{padding:4px 8px;font-size:12px}.badge{min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--accent-soft);color:var(--accent);font-size:10.5px;display:grid;place-items:center;font-weight:600}.icon-btn{width:30px;height:30px;border-radius:6px;display:grid;place-items:center;color:var(--ink-2)}.icon-btn:hover{background:#f2f4f7;color:var(--ink)}.menu-wrap{position:relative}.menu{position:absolute;right:0;top:34px;z-index:40;width:190px;padding:5px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow-md)}.menu button{display:block;width:100%;text-align:left;padding:8px 10px;border-radius:6px;font-size:13px}.menu button:hover{background:#f4f5f7}.menu button.danger{color:var(--danger)}.menu hr{border:0;border-top:1px solid var(--line-2);margin:5px 4px}.toolbar{flex:none;background:#fff;border-bottom:1px solid var(--line);padding:6px 10px;display:flex;flex-wrap:wrap;gap:2px 0;align-items:stretch;max-height:var(--toolbar-h);overflow-y:auto}.tb-group{display:flex;align-items:center;gap:1px;padding:2px 7px;border-right:1px solid var(--line-2);flex-wrap:wrap;max-width:420px}.tb-group:last-child{border-right:0}.tb-btn{min-width:28px;height:28px;padding:0 6px;border-radius:5px;display:inline-flex;align-items:center;justify-content:center;gap:4px;color:var(--ink-2);font-size:13px;line-height:1}.tb-btn:hover{background:#f0f2f5;color:var(--ink)}.tb-btn.on{background:var(--accent-soft);color:var(--accent)}.tb-btn b{font-weight:700}.tb-btn .under{text-decoration:underline}.tb-btn .strike{text-decoration:line-through}.tb-btn.wide{padding:0 8px}.tb-sep{width:1px;height:18px;background:var(--line);margin:0 4px}.tb-select{height:28px;border:1px solid var(--line);border-radius:5px;background:#fff;padding:0 4px;font-size:12.5px;outline:none;color:var(--ink-2)}.tb-select:focus{border-color:#bfdbfe}.tb-select.style{width:104px;font-size:12px}.tb-select.font{width:100px;font-size:12px}.tb-select.size{width:62px}.color-btn{position:relative}.color-btn .bar{position:absolute;left:5px;right:5px;bottom:3px;height:3px;border-radius:2px}.color-pop{position:absolute;z-index:50;top:32px;left:0;padding:8px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow-md);display:grid;grid-template-columns:repeat(8,20px);gap:5px;width:214px}.color-pop i{width:20px;height:20px;border-radius:4px;cursor:pointer;border:1px solid rgba(0,0,0,.08)}.color-pop i:hover{outline:2px solid var(--accent);outline-offset:1px}.pop-wrap{position:relative}.workspace{flex:1;display:flex;min-height:0;min-width:0}.canvas{flex:1;overflow-y:auto;padding:24px 24px 60px;display:flex;flex-direction:column;align-items:center}.page{width:794px;max-width:100%;min-height:1050px;background:var(--paper);border-radius:3px;box-shadow:var(--shadow-md);padding:56px 76px 72px;position:relative;flex:0 0 auto}.ruler{position:absolute;top:12px;left:60px;right:60px;height:16px;display:flex;justify-content:space-between;align-items:center;color:#c3c8ce;font-size:9.5px;border-bottom:1px solid #eef0f2;padding-bottom:2px}.canvas-foot{margin-top:14px;font-size:11.5px;color:var(--ink-3);display:flex;gap:8px}.canvas-foot .dot{opacity:.5}.doc-editor{font-family:var(--font-doc);font-size:16px;line-height:1.85;color:#1f2328;outline:none;min-height:800px}.doc-editor>*+*{margin-top:.62em}.doc-editor p{margin:0;text-align:justify}.doc-editor h1,.doc-editor h2,.doc-editor h3,.doc-editor h4,.doc-editor h5,.doc-editor h6{margin:.9em 0 .35em;font-weight:700;line-height:1.35;font-family:var(--font-ui)}.doc-editor h1{font-size:26px;text-align:center;margin-top:.3em}.doc-editor h2{font-size:21px}.doc-editor h3{font-size:18px}.doc-editor h4{font-size:16px}.doc-editor h5{font-size:14.5px}.doc-editor h6{font-size:13.5px;color:var(--ink-2)}.doc-editor ul,.doc-editor ol{padding-left:1.7em;margin:.4em 0}.doc-editor li{margin:.18em 0}.doc-editor li>p{margin:0}.doc-editor blockquote{margin:.8em 0;padding:8px 16px;border-left:3px solid #d7dbe0;background:#fafbfc;color:var(--ink-2)}.doc-editor pre{background:#1e242c;color:#e6edf3;padding:14px 16px;border-radius:8px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13.5px;line-height:1.6;overflow-x:auto}.doc-editor code{background:#f1f3f5;padding:.1em .35em;border-radius:4px;font-size:.92em;font-family:ui-monospace,Consolas,monospace}.doc-editor pre code{background:none;padding:0;color:inherit}.doc-editor hr{border:0;border-top:1px solid var(--line);margin:1.6em 0}.doc-editor a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}.doc-editor img{max-width:100%;height:auto;border-radius:4px;display:block;margin:8px auto}.doc-editor img.ProseMirror-selectednode{outline:2px solid var(--accent)}.doc-editor mark{background:#fef08a;padding:0 1px}.doc-editor table{border-collapse:collapse;width:100%;margin:12px 0;table-layout:fixed;font-size:14.5px;font-family:var(--font-ui)}.doc-editor th,.doc-editor td{border:1px solid #cfd4da;padding:6px 9px;position:relative;vertical-align:top;min-width:40px}.doc-editor th{background:#f6f7f9;font-weight:600}.doc-editor .selectedCell:after{content:"";position:absolute;inset:0;background:#2563eb1a;pointer-events:none}.doc-editor .column-resize-handle{position:absolute;right:-2px;top:0;bottom:0;width:4px;background:var(--accent);pointer-events:none}.doc-editor .tableWrapper{overflow-x:auto}.doc-editor ul[data-type=taskList]{list-style:none;padding-left:.2em}.doc-editor ul[data-type=taskList] li{display:flex;gap:8px;align-items:flex-start}.doc-editor ul[data-type=taskList] li>label{margin-top:.35em}.doc-editor ul[data-type=taskList] input[type=checkbox]{width:14px;height:14px;cursor:pointer}.doc-editor p.is-editor-empty:first-child:before{content:attr(data-placeholder);float:left;color:#b6bcc4;pointer-events:none;height:0;font-family:var(--font-doc)}.doc-editor .find-hit{background:#ffe58f;border-radius:2px}.doc-editor .find-hit.find-current{background:#ffb020}.doc-editor .ProseMirror-gapcursor:after{border-top-color:var(--ink)}.doc-editor.painting,.doc-editor.painting *{cursor:copy!important}.panel{width:330px;flex:none;background:#fff;border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.panel-head{padding:13px 14px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:flex-start;gap:8px}.panel-head strong{display:block;font-size:14px}.panel-head small{color:var(--ink-3);font-size:11.5px;display:block;margin-top:2px}.panel-body{flex:1;overflow-y:auto;padding:10px}.panel-foot{padding:10px;border-top:1px solid var(--line)}.tl{position:relative;padding-left:18px}.tl:before{content:"";position:absolute;left:5px;top:4px;bottom:4px;width:1px;background:var(--line)}.rev{position:relative;padding:9px 10px;border-radius:8px;border:1px solid transparent;margin-bottom:3px}.rev:hover{background:#f8f9fb}.rev.sel{background:var(--accent-soft);border-color:#dbe6ff}.rev:before{content:"";position:absolute;left:-17px;top:15px;width:7px;height:7px;border-radius:50%;background:#cfd5dd;border:2px solid #fff;box-shadow:0 0 0 1px #cfd5dd}.rev.k-init:before{background:var(--accent);box-shadow:0 0 0 1px var(--accent)}.rev.k-auto:before{background:#a7b0bd;box-shadow:0 0 0 1px #a7b0bd}.rev.k-manual:before{background:var(--ok);box-shadow:0 0 0 1px var(--ok)}.rev.k-backup:before{background:var(--warn);box-shadow:0 0 0 1px var(--warn)}.rev-top{display:flex;align-items:center;gap:6px}.rev-top .tag{font-size:10px;padding:1px 5px;border-radius:4px;background:#eef0f3;color:var(--ink-2)}.rev.k-init .tag{background:var(--accent-soft);color:var(--accent)}.rev.k-manual .tag{background:var(--ok-soft);color:var(--ok)}.rev.k-backup .tag{background:#fdf3e7;color:var(--warn)}.rev-top .name{font-size:13px;font-weight:500;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rev-meta{font-size:11px;color:var(--ink-3);margin-top:3px;display:flex;gap:8px}.rev-acts{display:flex;gap:2px;margin-top:6px;opacity:0;transition:.15s}.rev:hover .rev-acts,.rev.sel .rev-acts{opacity:1}@media (hover: none){.rev-acts{opacity:1}}.rev-acts button{font-size:11.5px;color:var(--accent);padding:2px 6px;border-radius:4px}.rev-acts button:hover{background:#fff;box-shadow:var(--shadow-sm)}.rev-acts button.danger{color:var(--danger)}.rev-preview{margin-top:6px;font-size:11.5px;color:var(--ink-3);line-height:1.55;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;word-break:break-all}.modal{position:fixed;inset:0;z-index:100;background:#14181e73;display:flex;align-items:center;justify-content:center;padding:24px;backdrop-filter:blur(2px)}#dialogModal{z-index:150}.modal-card{background:#fff;border-radius:12px;box-shadow:var(--shadow-lg);width:460px;max-width:100%;max-height:90vh;display:flex;flex-direction:column;animation:pop .16s ease-out}.modal-card.wide{width:min(1360px,96vw);height:90vh}@keyframes pop{0%{transform:translateY(6px) scale(.99);opacity:0}}.modal-head{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;flex-wrap:wrap}.modal-head strong{font-size:15px}.modal-body{padding:18px;overflow-y:auto}.modal-foot{padding:12px 18px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}.modal-foot .btn-ghost,.modal-foot .btn-primary{padding:7px 14px}.modal-foot .btn-ghost{border:1px solid var(--line)}.compare-head-left{display:flex;align-items:center;gap:12px}.diff-legend{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;color:var(--ink-3)}.diff-legend i{width:11px;height:11px;border-radius:2px;display:inline-block}.lg-del{background:#fdecec;border:1px solid #f3b9b9}.lg-ins{background:#e9f7ee;border:1px solid #b3dfc2}.compare-controls{display:flex;align-items:center;gap:12px;margin-left:auto;flex-wrap:wrap}.compare-controls label{font-size:12px;color:var(--ink-3);display:inline-flex;align-items:center;gap:5px}.compare-controls select{height:28px;border:1px solid var(--line);border-radius:6px;background:#fff;padding:0 6px;font-size:12.5px;max-width:190px;outline:none}.seg{display:inline-flex;border:1px solid var(--line);border-radius:6px;overflow:hidden}.seg button{padding:4px 10px;font-size:12px;color:var(--ink-2)}.seg button.on{background:var(--accent-soft);color:var(--accent)}.chk{font-size:12px;color:var(--ink-3);display:inline-flex;align-items:center;gap:4px}.compare-stats{padding:8px 18px;border-bottom:1px solid var(--line);font-size:12px;color:var(--ink-2);display:flex;gap:14px;align-items:center;flex-wrap:wrap;background:#fafbfc}.compare-stats .s-ins{color:#15803d}.compare-stats .s-del{color:#b91c1c}.compare-stats .s-chg{color:var(--ink-3)}.compare-body{flex:1;overflow:auto;padding:18px 22px 60px;background:#f7f8fa}.diff-doc{background:#fff;border-radius:6px;box-shadow:var(--shadow-sm);padding:40px 52px;font-family:var(--font-doc);font-size:15.5px;line-height:1.85;max-width:900px;margin:0 auto}.diff-doc.split{max-width:1180px;padding:0;display:block}.split-head{position:sticky;top:-18px;z-index:2;background:#fafbfc;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;font-family:var(--font-ui);font-size:11.5px;color:var(--ink-3)}.split-head>div{padding:8px 18px;display:flex;justify-content:space-between;gap:10px}.split-head>div+div{border-left:1px solid var(--line)}.split-rows{display:block}.srow{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid #f6f7f9}.srow>.scell{padding:0 18px;min-width:0;overflow-wrap:anywhere}.srow>.scell:last-child{padding-right:32px}.srow>.scell+.scell{border-left:1px solid var(--line)}.srow.fold-row{display:block;padding:6px 18px;border-bottom:0}.srow>.scell>:first-child{margin-top:0}.srow>.scell>:last-child{margin-bottom:0}.diff-doc p,.diff-doc h1,.diff-doc h2,.diff-doc h3,.diff-doc h4,.diff-doc h5,.diff-doc h6,.diff-doc li,.diff-doc blockquote,.diff-doc pre{margin:0 0 .55em}.diff-doc h1{font-size:25px;text-align:center;font-family:var(--font-ui)}.diff-doc h2{font-size:20px;font-family:var(--font-ui)}.diff-doc h3{font-size:17.5px;font-family:var(--font-ui)}.diff-doc ul,.diff-doc ol{padding-left:1.6em;margin:0 0 .55em}.diff-doc table{border-collapse:collapse;width:100%;margin:0 0 .8em;font-size:14px;font-family:var(--font-ui)}.diff-doc th,.diff-doc td{border:1px solid #d7dbe0;padding:5px 8px;vertical-align:top}.diff-doc th{background:#f6f7f9}.diff-doc img{max-width:100%}.tok-del{background:#fdecec;color:#9b1c1c;text-decoration:line-through;text-decoration-color:#d97070;border-radius:2px}.tok-ins{background:#e9f7ee;color:#14532d;text-decoration:underline;text-decoration-color:#5fb37d;border-radius:2px}.blk-del{border-left:3px solid #e8b4b4;padding:0 0 0 10px;margin:0 0 .6em}.blk-ins{border-left:3px solid #a6d8b8;padding:0 0 0 10px;margin:0 0 .6em}.blk-del>p,.blk-del>h1,.blk-del>h2,.blk-del>h3,.blk-del>ul,.blk-del>ol,.blk-ins>p,.blk-ins>h1,.blk-ins>h2,.blk-ins>h3,.blk-ins>ul,.blk-ins>ol{margin-bottom:0}.tbl-row-del td,.tbl-row-del th{background:#fdecec!important}.tbl-row-ins td,.tbl-row-ins th{background:#e9f7ee!important}.diff-fold{margin:10px 0;padding:6px 10px;border-radius:6px;background:#f4f5f7;color:var(--ink-3);font-size:12px;font-family:var(--font-ui);text-align:center;cursor:pointer;user-select:none}.diff-fold:hover{background:#eceef1;color:var(--ink-2)}.diff-empty{text-align:center;color:var(--ink-3);padding:80px 10px;font-family:var(--font-ui)}.compare-stats .s-cmt{color:#b45309}.dc-wrap,.srow{position:relative}.cmt-btn{position:absolute;top:0;right:-34px;z-index:3;width:22px;height:22px;padding:0;border:1px solid #dde3e9;border-radius:999px;background:#fff;color:#9aa3ad;font-size:13px;line-height:20px;text-align:center;font-family:var(--font-ui);cursor:pointer;opacity:0;transition:opacity .12s ease,color .12s ease,border-color .12s ease,background .12s ease}.dc-wrap:hover>.cmt-btn,.srow:hover>.cmt-btn{opacity:1}.cmt-btn:hover{color:#e11d48;border-color:#fda4af;background:#fff1f2}.cmt-btn.has{opacity:1;width:auto;min-width:22px;padding:0 5px;background:#e11d48;border-color:#e11d48;color:#fff;font-size:11.5px;font-weight:700;line-height:20px;box-shadow:0 1px 4px #be123c59}.cmt-btn.has:hover{background:#be123c;border-color:#be123c;color:#fff}.srow>.cmt-btn{right:4px;top:3px}.cmt-panel{margin:4px 0 12px;padding:8px 10px 10px;border:1px solid #e2e7ec;border-left:3px solid #f1cf94;border-radius:8px;background:#fdfcf8;font-family:var(--font-ui);font-size:12.5px;box-shadow:0 1px 3px #1018280d}.srow+.cmt-panel{margin:0 0 10px}.cmt-head{display:flex;align-items:center;gap:6px;margin-bottom:4px;font-size:11.5px;color:var(--ink-3);letter-spacing:.2px}.cmt-n{min-width:17px;height:17px;padding:0 5px;border-radius:9px;background:#f2f4f7;color:var(--ink-2);font-size:10.5px;line-height:17px;text-align:center}.cmt-list{list-style:none;margin:0;padding:0}.cmt-item{padding:7px 0;border-top:1px dashed #ebe6da}.cmt-item:first-child{border-top:0}.cmt-meta{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--ink-3)}.cmt-av{width:18px;height:18px;border-radius:50%;background:#e8f0fe;color:#1a56b0;font-size:11px;line-height:18px;text-align:center;font-weight:600}.cmt-who{color:var(--ink-2);font-weight:600}.cmt-time{color:var(--ink-3)}.cmt-del{margin-left:auto;padding:0 2px;border:0;background:none;color:#b91c1c;font-size:11.5px;cursor:pointer;font-family:var(--font-ui)}.cmt-del:hover{text-decoration:underline}.cmt-text{margin:3px 0 0 24px;color:var(--ink);font-size:12.5px;line-height:1.7;white-space:pre-wrap;word-break:break-word}.cmt-empty{color:var(--ink-3);font-size:12px;padding:3px 0 6px}.cmt-new{display:flex;align-items:flex-end;gap:8px;margin-top:6px}.cmt-input{flex:1;min-height:36px;padding:6px 8px;resize:vertical;border:1px solid var(--line);border-radius:6px;background:#fff;font-family:var(--font-ui);font-size:12.5px;line-height:1.55;color:var(--ink);outline:none}.cmt-input:focus{border-color:#bfdbfe;box-shadow:0 0 0 3px #eff6ff}.cmt-send{flex:none;height:30px;padding:0 14px;border-radius:6px;background:var(--accent);color:#fff;font-size:12.5px;font-weight:500;font-family:var(--font-ui);cursor:pointer;box-shadow:0 1px 2px #2563eb4d}.cmt-send:hover{background:#1d4ed8}.cmt-acts{display:flex;flex-direction:column;gap:6px;flex:none}.ai-btn{height:30px;padding:0 10px;white-space:nowrap;border:1px solid #ddd6fe;border-radius:6px;background:#f5f3ff;color:#6d28d9;font-size:12px;font-family:var(--font-ui);cursor:pointer;transition:background .12s ease,border-color .12s ease}.ai-btn:hover{background:#ede9fe;border-color:#c4b5fd}.ai-btn:disabled{opacity:.6;cursor:default}.cmt-ai{margin-top:8px}.cmt-ai-loading{padding:9px 11px;border:1px dashed #ddd6fe;border-radius:7px;background:#faf9ff;color:#6d28d9;font-size:12px}.cmt-ai-loading:after{content:"";display:inline-block;width:6px;height:6px;margin-left:6px;border-radius:50%;background:#a78bfa;animation:aiPulse 1s ease-in-out infinite}@keyframes aiPulse{0%,to{opacity:.25}50%{opacity:1}}.cmt-ai-err{padding:8px 10px;border-radius:7px;background:#fef2f2;color:#b91c1c;font-size:12px}.cmt-ai-card{padding:8px 10px 10px;border:1px solid #ddd6fe;border-radius:8px;background:#fbfaff}.cmt-ai-head{display:flex;align-items:center;gap:6px;margin-bottom:6px;color:#6d28d9;font-size:11.5px}.cmt-ai-badge{display:inline-block;height:16px;padding:0 5px;border-radius:4px;background:#7c3aed;color:#fff;font-size:10px;font-weight:600;line-height:16px;letter-spacing:.3px}.cmt-ai-text{display:block;width:100%;box-sizing:border-box;min-height:104px;padding:7px 8px;resize:vertical;outline:none;border:1px solid #ddd6fe;border-radius:6px;background:#fff;color:var(--ink);font-family:var(--font-ui);font-size:12.5px;line-height:1.7}.cmt-ai-text:focus{border-color:#a78bfa;box-shadow:0 0 0 3px #f5f3ff}.cmt-ai-acts{display:flex;gap:8px;margin-top:7px}.cmt-ai-acts button{height:27px;padding:0 11px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink-2);font-size:12px;font-family:var(--font-ui);cursor:pointer}.cmt-ai-acts button:hover{border-color:#c4b5fd;color:#6d28d9}.cmt-ai-acts .ai-post{border-color:#7c3aed;background:#7c3aed;color:#fff;font-weight:500}.cmt-ai-acts .ai-post:hover{background:#6d28d9;color:#fff}.cmt-ai-acts .ai-post:disabled{opacity:.65;cursor:default}.cmt-item.is-ai .cmt-av{background:#ede9fe;color:#6d28d9;font-size:9px;letter-spacing:0}.cmt-item.is-ai .cmt-text{margin-left:0;padding:5px 9px;border-radius:6px;background:#faf9ff}.find-bar{position:fixed;right:26px;top:108px;z-index:60;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow-md);padding:8px;display:flex;align-items:center;gap:6px}.find-bar input{width:150px;height:28px;border:1px solid var(--line);border-radius:5px;padding:0 8px;outline:none;font-size:12.5px}.find-bar input:focus{border-color:#bfdbfe}.find-count{font-size:11.5px;color:var(--ink-3);min-width:38px;text-align:center}.login{position:fixed;inset:0;z-index:200;background:var(--bg);display:grid;place-items:center}.login-card{width:340px;background:#fff;border-radius:14px;padding:26px;box-shadow:var(--shadow-md);display:grid;gap:14px;border:1px solid var(--line)}.login-card input{height:38px;border:1px solid var(--line);border-radius:8px;padding:0 12px;outline:none}.login-card input:focus{border-color:#bfdbfe;box-shadow:0 0 0 3px var(--accent-soft)}.login-card .btn-primary{height:38px}.login-err{color:var(--danger);font-size:12px;margin:0;min-height:16px}.toast-wrap{position:fixed;left:50%;bottom:28px;transform:translate(-50%);z-index:300;display:grid;gap:8px}.toast{background:#1f2329;color:#fff;padding:9px 16px;border-radius:8px;font-size:13px;box-shadow:var(--shadow-md);animation:pop .16s;max-width:460px}.toast.ok{background:#14532d}.toast.err{background:#7f1d1d}.only-mobile{display:none}@media print{body{background:#fff}.sidebar,.topbar,.toolbar,.panel,.canvas-foot,.ruler,.find-bar,.modal,.toast-wrap{display:none!important}.app{display:block;height:auto;overflow:visible}.canvas{padding:0;overflow:visible}.page{box-shadow:none;width:auto;padding:0;min-height:0}.doc-editor{min-height:0}}@media (max-width: 1100px){.panel{position:fixed;right:0;top:56px;bottom:0;z-index:50;box-shadow:var(--shadow-lg)}}@media (max-width: 860px){.app{grid-template-columns:1fr}.sidebar{position:fixed;left:0;top:0;bottom:0;width:264px;z-index:60;transform:translate(-100%);transition:.2s;box-shadow:var(--shadow-lg)}.sidebar.open{transform:none}.only-mobile{display:grid}.page{padding:28px 18px;min-height:0}.topbar{padding:0 8px;gap:4px;height:52px}.doc-title{font-size:14px;padding:6px 4px}.save-state{display:none}.topbar-actions .btn-ghost{font-size:0;gap:0;padding:7px}.topbar-actions .badge{display:none}.panel{width:min(320px,88vw)}.toolbar{max-height:none;padding:6px;flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch}.tb-group{padding:2px 4px;flex-wrap:nowrap;max-width:none}.page .ruler{left:22px;right:22px}.diff-doc{padding:22px 18px}.compare-controls{gap:8px}.compare-controls select{max-width:130px}.modal{padding:0}.modal-card.wide{width:100vw;height:100vh;border-radius:0}.find-bar{inset:auto 8px 12px;flex-wrap:wrap}.find-bar input{width:42%;flex:1}}.field{display:grid;gap:6px;font-size:12.5px;color:var(--ink-2)}.field>span{color:var(--ink-3)}.field input,.field textarea{height:36px;border:1px solid var(--line);border-radius:7px;padding:0 10px;outline:none;font-size:13.5px;width:100%}.field textarea{height:auto;padding:8px 10px;resize:vertical}.field input:focus,.field textarea:focus{border-color:#bfdbfe;box-shadow:0 0 0 3px var(--accent-soft)}.hint{font-size:11.5px;color:var(--ink-3);line-height:1.7;margin:10px 0 0}.danger-bg{background:var(--danger)!important}.modal-body .field+.field{margin-top:12px}.sidebar-foot{display:grid;gap:8px}.who{display:flex;align-items:center;gap:9px;min-width:0}.who-avatar{width:30px;height:30px;flex:none;border-radius:50%;background:linear-gradient(140deg,#60a5fa,#2563eb);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:600}.who-info{min-width:0;flex:1}.who-info strong{display:block;font-size:12.5px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.who-info small{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--ink-3)}.role-tag{padding:0 5px;border-radius:4px;font-size:10px;line-height:15px;background:#eef0f2;color:var(--ink-2)}.role-tag.r-admin{background:#fee2e2;color:#b91c1c}.role-tag.r-principal{background:#ede9fe;color:#6d28d9}.role-tag.r-teacher{background:#e0f2fe;color:#0369a1}.admin-entry{display:flex;align-items:center;gap:6px;padding:6px 8px;border-radius:6px;color:var(--ink-2);font-size:12px;width:100%;text-align:left}.admin-entry:hover{background:#eef0f3}.admin-entry .ico{width:14px;height:14px}.badge.danger{background:var(--danger);color:#fff}.doc-item .m{flex-wrap:wrap;row-gap:2px}.doc-item .m .own{color:var(--ink-2);background:#f0f2f5;border-radius:4px;padding:0 5px}.login-card{width:360px}.login-tabs{display:grid;grid-template-columns:1fr 1fr;background:#f0f2f5;border-radius:8px;padding:3px;gap:3px}.login-tabs button{height:30px;border-radius:6px;font-size:13px;color:var(--ink-2)}.login-tabs button.on{background:#fff;color:var(--ink);font-weight:600;box-shadow:var(--shadow-sm)}.login-form{display:grid;gap:10px}.login-form .field input,.login-form .field select{height:36px;border:1px solid var(--line);border-radius:8px;padding:0 12px;outline:none;width:100%;background:#fff}.login-form .field input:focus,.login-form .field select:focus{border-color:#bfdbfe;box-shadow:0 0 0 3px var(--accent-soft)}.login-form .btn-primary{height:38px;margin-top:4px}.login-tip{font-size:11.5px;color:var(--ink-3);line-height:1.65;margin:2px 0 0}.field select{height:36px;border:1px solid var(--line);border-radius:7px;padding:0 8px;outline:none;font-size:13.5px;width:100%;background:#fff}.field select:focus{border-color:#bfdbfe;box-shadow:0 0 0 3px var(--accent-soft)}.danger-note{margin:0 0 14px;font-size:13px;line-height:1.8;color:var(--danger);background:var(--danger-soft);padding:10px 12px;border-radius:8px}.dialog-err{color:var(--danger);font-size:12px;margin:8px 0 0;min-height:16px}.switch-note{margin:0;padding:10px 12px;border-radius:8px;font-size:12.5px;line-height:1.75;color:var(--ink-2);background:#f8fafc;border:1px solid var(--line)}.switch-note.quiet{background:#fff;color:var(--ink-3);font-size:12px}.form-grid{display:grid;gap:12px}.field-tip{font-size:11.5px;color:var(--ink-3);line-height:1.7;margin:0}.field input:disabled{background:#f4f6f9;color:var(--ink-3);cursor:not-allowed}.admin-card{width:min(980px,96vw);height:min(82vh,760px)}.admin-body{flex:1;overflow:auto;padding:16px 18px 20px;background:var(--bg-2)}.admin-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;flex-wrap:wrap}.admin-hint{font-size:12px;color:var(--ink-3);line-height:1.6}.table-wrap{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}.admin-table{width:100%;border-collapse:collapse;font-size:13px}.admin-table th{text-align:left;font-weight:500;font-size:11.5px;color:var(--ink-3);padding:9px 12px;background:#fafbfc;border-bottom:1px solid var(--line);white-space:nowrap}.admin-table td{padding:9px 12px;border-bottom:1px solid var(--line-2);vertical-align:middle}.admin-table tr:last-child td{border-bottom:0}.admin-table tr:hover td{background:#fafbfc}.admin-table select{height:30px;border:1px solid var(--line);border-radius:6px;background:#fff;padding:0 6px;font-size:12.5px;outline:none;max-width:130px}.admin-table select:focus{border-color:#bfdbfe}.admin-table select[data-act=owner]{max-width:170px}.owner-cell{color:var(--ink);font-weight:500}.transfer-line{display:flex;align-items:baseline;gap:10px;margin:6px 0}.transfer-line .u-sub{flex:none}.transfer-line strong{font-size:13.5px}.u-name{font-size:13px;color:var(--ink);display:flex;align-items:center;gap:6px}.u-sub{font-size:11.5px;color:var(--ink-3)}.chip{font-size:10px;padding:0 5px;border-radius:4px;background:var(--accent-soft);color:var(--accent)}.row-acts{display:flex;gap:10px;white-space:nowrap}.link-btn.danger{color:var(--danger)}.link-btn.good{color:var(--ok)}.link-btn:hover{text-decoration:underline}.inline-input{height:30px;border:1px solid var(--line);border-radius:6px;padding:0 8px;font-size:13px;outline:none;width:180px;background:#fff}.inline-input:focus{border-color:#bfdbfe}.add-class{display:flex;gap:8px}.add-class input{height:34px;border:1px solid var(--line);border-radius:7px;padding:0 10px;outline:none;font-size:13px;width:220px;background:#fff}.add-class .btn-primary{padding:0 14px;height:34px}.admin-empty{text-align:center;color:var(--ink-3);font-size:12.5px;padding:34px 0}.status{font-size:11.5px;padding:1px 7px;border-radius:4px}.status.s-pending{background:#fef3c7;color:#b45309}.status.s-approved{background:var(--ok-soft);color:var(--ok)}.status.s-rejected{background:#eef0f2;color:var(--ink-3)}.toolbar-acts{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.pending-tip{background:#fef3c7;color:#b45309;font-size:12px;padding:6px 10px;border-radius:7px;border:1px solid #fde68a}.pending-tip:hover{background:#fde68a}.settings-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px;display:grid;gap:18px;max-width:620px}.settings-preview{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:10px;background:linear-gradient(140deg,#f5f8ff,#eef2ff);border:1px solid #e3ebff;min-width:0}.settings-preview .brand-mark{width:38px;height:38px;font-size:20px}.settings-preview>div{min-width:0}.settings-preview strong{display:block;font-size:16px;color:var(--ink);line-height:1.4;overflow-wrap:anywhere;word-break:break-word}.settings-preview small{display:block;font-size:11.5px;color:var(--ink-3);margin-top:2px}.settings-form{display:grid;gap:12px}.settings-acts{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.settings-acts .dialog-err{margin:0}.settings-wrap{display:grid;grid-template-columns:minmax(0,620px) minmax(220px,1fr);gap:16px;align-items:start}.settings-tips{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 18px;font-size:12.5px;color:var(--ink-2);line-height:1.85}.settings-tips strong{display:block;font-size:13px;color:var(--ink);margin-bottom:6px}.settings-tips ul{margin:0;padding-left:16px;display:grid;gap:4px}@media (max-width: 900px){.settings-wrap{grid-template-columns:1fr}}.rev{cursor:pointer}.rev.sel{background:#fffbeb;border-color:#fde68a}.preview-bar{display:flex;align-items:center;gap:9px;flex-wrap:wrap;padding:7px 16px;background:#fff8e6;border-bottom:1px solid #fde68a;font-size:12.5px;color:#92400e}.preview-bar .pb-dot{width:8px;height:8px;border-radius:50%;background:#f59e0b;flex:none}.preview-bar .pb-acts{margin-left:auto;display:flex;gap:8px}.app.previewing .toolbar{opacity:.45;pointer-events:none}.app.previewing .doc-editor{background:#fffdf6}.app.previewing .save-state{opacity:.5}.doc-group{min-width:0}.doc-group+.doc-group{margin-top:5px}.list-tools{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 2px;margin-top:-4px}.list-tools[hidden]{display:none}.list-tools .lt-label{font-size:11.5px;color:var(--ink-3);letter-spacing:.3px}.list-tools .lt-actions{display:flex;align-items:center;gap:6px}.lt-btn{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:11.5px;transition:.15s}.lt-btn:hover{border-color:#bfdbfe;background:var(--accent-soft);color:var(--accent)}.lt-btn:disabled{opacity:.45;cursor:default;border-color:var(--line);background:#fff;color:var(--ink-3)}.group-head{display:flex;align-items:center;gap:7px;width:100%;padding:9px 8px 7px;border-radius:6px;text-align:left;font-size:12.5px;color:var(--ink-2)}.group-head:hover{background:#eef0f3;color:var(--ink)}.group-head .chev{flex:none;font-size:12px;line-height:1;color:var(--ink-3);transition:transform .15s ease}.group-head[aria-expanded=false] .chev{transform:rotate(-90deg)}.group-head .gname{flex:1;min-width:0;font-size:15px;font-weight:700;letter-spacing:.4px;color:var(--ink);line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.group-head[aria-expanded=false] .gname{color:var(--ink-2)}.group-head .gcount{flex:none;min-width:20px;text-align:center;font-size:11.5px;line-height:18px;padding:0 6px;border-radius:9px;background:#e9edf2;color:var(--ink-3)}.group-body{display:grid;gap:2px;padding-left:4px}.group-body[hidden]{display:none}.group-head.has-active .gname:after{content:"";display:inline-block;width:5px;height:5px;margin-left:6px;border-radius:50%;background:var(--accent);vertical-align:middle}