:root{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:#25364b;background:#f5f7fa;font-size:14px;--blue:#176ac6;--line:#dfe6ed;--muted:#718096}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{border:1px solid var(--line);background:white;color:#40546c;padding:7px 12px;border-radius:5px;cursor:pointer;white-space:nowrap}button:hover{background:#edf5fe;border-color:#bed4ef}button:disabled{opacity:.5;cursor:not-allowed}button.active,.primary{background:var(--blue);color:white;border-color:var(--blue)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid #5ca6f3;outline-offset:2px}a{color:var(--blue)}[hidden]{display:none!important}.app-header{height:66px;display:flex;align-items:center;gap:34px;padding:0 28px;background:white;border-bottom:1px solid var(--line)}.brand{text-decoration:none;font-size:20px;font-weight:700;white-space:nowrap;color:#176ac6}.brand span{font-size:14px;font-weight:400;color:#62748a;margin-left:12px}.view-tabs{display:flex;gap:5px;flex:1}.view-tabs button{border:0;background:transparent;padding:12px}.view-tabs button.active{color:var(--blue);background:#edf5fe}.account{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}.account button[id=export-button],#refresh-comments,#refresh-inbox{width:32px;height:32px;padding:0;font-size:20px}#notice{padding:10px 28px;background:#fff4d9;color:#805c1c;border-bottom:1px solid #ecd7a7}.filters{display:flex;align-items:center;gap:22px;padding:18px 28px;background:#fff;border-bottom:1px solid var(--line)}.filters label{display:flex;align-items:center;gap:9px;color:#62748a;font-size:13px}input,select,textarea{border:1px solid #ced8e3;background:#fff;border-radius:5px;color:#25364b;padding:8px 10px;min-width:0}select{max-width:260px}.search-field input{width:240px}.result-count{margin-left:auto;color:var(--muted);font-size:13px}.directory-view{padding:25px 28px}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.section-title h1{font-size:19px;margin:0}.section-title>span{font-size:13px;color:var(--muted)}.table-scroll{overflow:auto;border:1px solid var(--line);border-radius:6px;background:white}table{border-collapse:collapse;width:100%;text-align:left;font-size:13px;min-width:960px}th{background:#edf3f9;padding:14px 16px;white-space:nowrap;font-weight:500;color:#61738b}td{padding:15px 16px;border-top:1px solid #e8edf3;vertical-align:middle}tr:hover td{background:#f7faff}td:nth-child(2){font-size:14px;font-weight:500;color:#233c58;min-width:180px}.role-badge{display:inline-block;font-size:12px;padding:4px 7px;border-radius:4px;white-space:nowrap;background:#eaf3ff;color:#2768b2}.role-teacher{background:#e7f6ef;color:#397660}.role-mobile{background:#f0edfa;color:#7560a3}.date-source{display:block;color:#8b98a8;font-size:11px;margin-top:4px}.batch-cell{max-width:240px}.comment-number{font-variant-numeric:tabular-nums;color:#76889e}.preview-view{display:grid;grid-template-columns:225px minmax(0,1fr) 338px;height:calc(100vh - 144px);min-height:560px}.page-list{background:white;border-right:1px solid var(--line);overflow:auto}.list-heading{position:sticky;top:0;background:white;padding:18px 16px;border-bottom:1px solid var(--line);font-weight:600;z-index:1}.list-heading span{color:var(--muted);font-weight:400;margin-left:8px}.page-item{display:block;border:0;border-bottom:1px solid #eef1f5;border-radius:0;width:100%;text-align:left;padding:12px 16px;white-space:normal;line-height:1.6}.page-item.active{background:#ecf4ff;color:var(--blue);box-shadow:inset 3px 0 var(--blue)}.page-item small{display:block;font-size:11px;font-weight:400;color:#8191a3}.preview-workspace{min-width:0;display:flex;flex-direction:column}.preview-heading{display:flex;align-items:center;justify-content:space-between;padding:17px 20px;background:white;gap:12px;min-height:76px}.preview-heading h1{font-size:16px;margin:0 0 5px;font-weight:600;line-height:1.5}.preview-heading p{font-size:11px;color:var(--muted);margin:0;line-height:1.5}.text-link{white-space:nowrap;text-decoration:none;font-size:12px}.preview-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:10px 16px;background:#f9fbfd;border-top:1px solid var(--line);border-bottom:1px solid var(--line);min-height:57px}.version-control{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted)}.version-control select{max-width:145px;padding:6px}.segmented{display:flex}.segmented button{border-radius:0;font-size:12px;padding:7px 9px}.segmented button:first-child{border-radius:4px 0 0 4px}.segmented button:last-child{border-radius:0 4px 4px 0;margin-left:-1px}.viewport-controls{margin-left:auto}.preview-scroll{overflow:auto;flex:1;padding:20px;background:#e9edf3;position:relative}#prototype-frame{border:0;display:block;background:white;height:100%;min-height:420px;margin:0 auto;width:390px;box-shadow:0 2px 12px #31445e15}.comments-panel{min-width:0;background:#fff;border-left:1px solid var(--line);overflow:auto}.panel-heading{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}h2{font-size:14px;margin:0;font-weight:600}.panel-heading h2 span{color:var(--muted);font-weight:400;margin-left:7px}#comment-form{padding:16px 18px;border-bottom:1px solid var(--line)}.draft-heading{display:flex;justify-content:space-between;align-items:center;color:#5c708a;font-size:12px;margin-bottom:9px}.draft-heading button{border:0;padding:0 5px;font-size:18px}textarea{width:100%;resize:vertical;line-height:1.7}.form-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:10px;gap:8px}.form-bottom span{font-size:11px;color:var(--muted)}.comment-filters{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);padding:14px 18px}.comment-filters label{display:flex;align-items:center}.comment-filters input{margin:0 6px 0 0}.comments-list{padding:0 18px}.comment-item{border-bottom:1px solid var(--line);padding:14px 0}.comment-head{display:flex;align-items:center;gap:7px;font-size:12px;color:#7b8a9e;flex-wrap:wrap}.pin-number{border:0;background:#eaf3fe;color:var(--blue);font-weight:600;font-size:12px;padding:3px 6px;min-width:26px}.status{font-size:11px;border-radius:3px;padding:3px 5px;background:#fff3d4;color:#88691f}.status-working{background:#e8f1ff;color:#3171c1}.status-resolved{background:#e7f6ef;color:#3d8169}.comment-text{font-size:13px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;margin:10px 0}.comment-anchor{font-size:11px;background:#f5f7fa;border-left:2px solid #c8d9ef;padding:6px 8px;color:#7c8ea2;overflow-wrap:anywhere}.comment-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}.comment-actions button,.comment-actions select{font-size:11px;padding:5px 7px}.comment-date{font-size:10px;color:#91a0b1;margin-top:9px}.reply-list{border-left:2px solid #e1eaf4;padding-left:10px;margin-top:13px}.reply-item{font-size:12px;line-height:1.7;padding:5px 0;overflow-wrap:anywhere}.reply-item small{color:#91a0b1;font-size:10px;display:block}.edit-form,.reply-form{margin-top:10px}.edit-form textarea,.reply-form textarea{font-size:13px}.edit-controls{display:flex;gap:7px;margin-top:7px}.versions-panel{padding:20px 18px;border-top:6px solid #f5f7fa;margin-top:20px}.version-record{font-size:12px;line-height:1.8;border-bottom:1px solid #edf0f4;padding:11px 0;overflow-wrap:anywhere}.version-record small{display:block;font-size:11px;color:#8797aa}.version-record button{font-size:11px;padding:4px 6px;margin-top:5px}.empty{font-size:13px;color:#8b98a8;padding:28px 16px;text-align:center;line-height:1.8}.warning{padding:12px 18px;background:#fff5dd;color:#8b651d;font-size:12px;line-height:1.7}.inbox-row{display:grid;grid-template-columns:220px 1fr auto;gap:20px;background:white;border-bottom:1px solid var(--line);padding:18px 20px;align-items:center}.inbox-row h2{margin-bottom:7px}.inbox-row small{font-size:11px;color:var(--muted)}.inbox-row p{margin:0;font-size:13px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}dialog{width:390px;max-width:calc(100vw - 30px);border:1px solid #d5e0ed;border-radius:8px;padding:32px;box-shadow:0 18px 60px #152e5730}dialog::backdrop{background:#edf2f8f0;backdrop-filter:blur(2px)}.login-brand{color:var(--blue);font-weight:700;font-size:22px}dialog h1{font-size:16px;margin:8px 0 26px;color:#6a7b90;font-weight:400}dialog label{display:flex;flex-direction:column;gap:8px;margin-bottom:17px;font-size:13px}dialog select{max-width:none}dialog .primary{width:100%;padding:10px}#login-error{font-size:12px;color:#b44242;min-height:18px;line-height:1.6}@media(max-width:1150px){.app-header{gap:14px;padding:0 16px}.brand span{display:none}.filters{gap:14px;padding:14px 16px}.filters label{gap:6px}.search-field input{width:180px}.filters select{max-width:210px}.preview-view{grid-template-columns:180px minmax(0,1fr) 300px}.preview-heading{align-items:flex-start;flex-direction:column;gap:3px}.viewport-controls{margin-left:0}}@media(max-width:760px){.app-header{height:auto;min-height:62px;flex-wrap:wrap;padding:14px 16px;gap:12px}.brand{font-size:18px}.account{margin-left:auto;font-size:11px}.account button{padding:5px 7px}.view-tabs{order:3;width:100%;flex:auto}.view-tabs button{font-size:12px;padding:8px 10px}.filters{flex-wrap:wrap;gap:12px}.filters label{font-size:12px}.search-field{width:100%}.search-field input{width:100%}.filters select{max-width:210px;width:100%}.filters label:nth-child(3){flex:1}.result-count{margin-left:0}.directory-view{padding:20px 16px}.section-title h1{font-size:17px}.preview-view{display:flex;flex-direction:column;height:auto;min-height:0}.page-list{max-height:135px;border-right:0;border-bottom:1px solid var(--line)}.list-heading{padding:10px 16px}.page-item{padding:8px 16px}.preview-workspace{min-height:640px}.preview-heading{padding:14px 16px;min-height:70px}.preview-toolbar{gap:10px}.preview-scroll{height:520px;min-height:520px;padding:10px;flex:auto}#prototype-frame{height:500px;min-height:500px;margin-left:0}.comments-panel{border-left:0;border-top:1px solid var(--line)}.comments-list{max-height:none}.inbox-row{grid-template-columns:1fr;gap:10px;padding:16px}.inbox-row button{justify-self:start}.version-control select{max-width:120px}#notice{padding:10px 16px}}
:root .filters label{white-space:nowrap}.filters label>span{flex-shrink:0}@media(max-width:760px){.filters label:nth-child(3){flex:0 1 auto}.filters .result-count{margin-left:auto}}
#frame-state{font-size:11px;color:#718096;white-space:nowrap}