:root{
    --bg:#f4f6fa; --card:#fff; --ink:#1f2d3d; --muted:#6b7785; --line:#e6eaf0;
    --brand:#2f6fed; --brand-soft:#eaf1ff; --shadow:0 2px 10px rgba(31,111,235,.06);
    --ok:#2f9e44; --warn:#e8590c; --danger:#e03131; --info:#1971c2; --purple:#7048e8;
    --chip:#eef2f7;
  }
  *{box-sizing:border-box}
  html,body{min-height:100%;margin:0;padding:0}
  /* 切换频道不闪动：滚动条槽位常驻，避免滚动条出现/消失引起内容宽度横移（旧浏览器回退常驻滚动条） */
  html{scrollbar-gutter:stable}
  @supports not (scrollbar-gutter:stable){html{overflow-y:scroll}}
  body{min-height:100vh;display:flex;flex-direction:column;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.55;font-size:14px}
  /* 顶栏 */
  .topbar{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 4px rgba(0,0,0,.03)}
  .topbar-in{max-width:1280px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:0 18px;height:56px}
  .logo{display:flex;align-items:center;flex:0 0 auto;white-space:nowrap}
  .top-brand-logo{display:block;width:auto;height:24px;max-width:142px;object-fit:contain}
  .role-sel{font-size:13px;padding:6px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);cursor:pointer;white-space:nowrap;font-family:inherit}
  nav.tabs{display:flex;gap:4px;flex:1;overflow-x:auto}
  nav.tabs button,nav.tabs .tab-link{display:flex;align-items:center;background:none;border:none;padding:8px 14px;border-radius:8px;cursor:pointer;font-size:14px;color:var(--muted);white-space:nowrap;font-weight:500;text-decoration:none;font-family:inherit}
  nav.tabs button:hover,nav.tabs .tab-link:hover{background:var(--chip);color:var(--ink)}
  nav.tabs button.active{background:var(--brand);color:#fff}
  /* Bug 频道子栏目（Bug / 测试用例）：次级胶囊标签 */
  .subtabs{display:flex;gap:6px;margin:0 0 14px;padding:4px;background:var(--chip);border:1px solid var(--line);border-radius:10px;width:fit-content}
  .subtabs button{background:none;border:none;padding:6px 18px;border-radius:7px;cursor:pointer;font-size:13.5px;color:var(--muted);font-weight:500;font-family:inherit;white-space:nowrap}
  .subtabs button:hover{background:#fff;color:var(--ink)}
  .subtabs button.active{background:var(--brand);color:#fff}
  .topbar .meta{font-size:12px;color:var(--muted);white-space:nowrap}
  .dbstat{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);white-space:nowrap;padding:4px 9px;border:1px solid var(--line);border-radius:20px;background:var(--chip)}
  .dbstat .dot{width:8px;height:8px;border-radius:50%;background:var(--warn)}
  .dbstat.online .dot{background:var(--ok)}
  .dbstat.online{color:var(--ok);border-color:#c3e6cb}
  .dbstat.warn .dot{background:var(--warn)}
  .wrap{width:100%;max-width:1280px;flex:1 0 auto;margin:0 auto;padding:20px 18px 80px;overflow-x:clip}
  @supports not (overflow:clip){.wrap{overflow-x:hidden}}
  /* 频道数据与内容渲染期间的统一占位层：仅用 CSS 绘制转圈，顶栏仍可见。 */
  .channel-loading{position:fixed;inset:0;z-index:45;display:grid;place-items:center;background:rgba(244,246,250,.58);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .16s ease,visibility 0s linear .16s}
  .channel-loading.is-loading{opacity:1;visibility:visible;pointer-events:auto;transition:opacity .16s ease}
  .channel-loading-panel{display:flex;flex-direction:column;align-items:center;gap:10px;min-width:108px;padding:18px 20px;border:1px solid #dce6f7;border-radius:8px;background:rgba(255,255,255,.94);box-shadow:0 10px 26px rgba(31,71,128,.12);color:#5e718a;font-size:13px;line-height:1.4}
  .channel-spinner{width:30px;height:30px;border:3px solid #dbe8fb;border-top-color:var(--brand);border-radius:50%;animation:channel-loading-spin .72s linear infinite}
  @keyframes channel-loading-spin{to{transform:rotate(360deg)}}
  @media (prefers-reduced-motion:reduce){.channel-spinner{animation-duration:1.8s}}
  /* 防溢出加固：flex/grid 链允许收缩，杜绝长内容 min-content 撑破布局（桌面宽裕时无副作用） */
  .home-cols,.home-col,.grid,.widget,.ov-grid,.split,.half,
  .dform,.dfield,.rrow,.hv-row,.hv-fields,.asset-card,.asset-body,
  .bug-cols,.bug-col-main,.bug-col-side,.pd-related-split,
  .pd-related-left,.pd-related-mid,.pd-related-right,.pd-head-row,.pd-head-text,
  .iter-mgmt-row,.iter-mgmt-list,.stat-row,.stat-card,.sheet,.sheet-scroll,
  .home-col>*,.widget>*{min-width:0}
  .last-modified{text-align:center;color:#aab2bd;font-size:12px;margin-top:14px}
  .hd-toggle{display:inline-flex;align-items:center;gap:4px;font-size:12.5px;color:var(--muted);cursor:pointer;user-select:none}
  .hd-toggle input{cursor:pointer}
  .hid-tag{display:inline-block;font-size:11px;line-height:1;padding:2px 5px;border-radius:4px;background:#fff0f0;color:#e03131;border:1px solid #ffc9c9;margin-left:6px;margin-right:0;vertical-align:middle}
  /* 隐藏产品：徽章与标题输入框用内层 div.cell-hid-row 做 flex 同行排列，td 保持 table-cell 以让 border-collapse 正常生效。
     标识与左框、与标题分别 6/0px（徽章自身 margin 控制，单元格无左右 padding）。
     注意：别把 <td> 本身改 display:flex，否则 border-collapse 失效、与邻接单元格会出现双层不重合边框。 */
  .cell-hid-row{display:flex;align-items:center;white-space:nowrap}
  .cell-hid-row input{flex:1 1 auto;min-width:0}
  .lm-check{display:inline-flex;width:14px;height:14px;border-radius:50%;background:transparent;border:1px solid currentColor;color:inherit;font-size:10px;line-height:1;align-items:center;justify-content:center;margin-right:6px;vertical-align:middle}
  /* 首页 widget 网格 */
  .grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}
  .widget{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow)}
  .widget h2{margin:0 0 12px;font-size:15px;display:flex;align-items:center;gap:8px;justify-content:space-between;min-width:0}
  .widget h2 .sub{font-size:12px;font-weight:400;color:var(--muted);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .col-12{grid-column:span 12}.col-8{grid-column:span 8}.col-6{grid-column:span 6}.col-4{grid-column:span 4}
  @media(max-width:900px){.col-8,.col-6,.col-4{grid-column:span 12}}
  /* 首页瀑布流：左右两栏各自独立流动，不强制顶对齐 */
  .home-cols{display:flex;align-items:flex-start;gap:18px}
  .home-col{display:flex;flex-direction:column;gap:18px;min-width:0}
  .home-col.main{flex:2 1 0}
  .home-col.side{flex:1 1 0}
  .home-col>.widget{margin:0}
  @media(max-width:980px){.home-cols{flex-direction:column}.home-col.main,.home-col.side{flex:1 1 auto}}
  .feed{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
  .feed li{display:flex;gap:10px;align-items:baseline;font-size:13px;white-space:nowrap;overflow:hidden}
  .feed .ft{color:var(--muted);font-size:12px;white-space:nowrap;font-variant-numeric:tabular-nums;flex:0 0 auto}
  .feed .fx{color:var(--ink);line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1 1 auto;min-width:0}
  .link{color:var(--brand);cursor:pointer;font-size:12px;text-decoration:none}
  .link:hover{text-decoration:underline}
  /* kanban */
  .kanban{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px}
  .kcol{flex:1;min-width:150px;background:#fafbfd;border:1px solid var(--line);border-radius:10px;padding:8px}
  .kcol h3{margin:0 0 8px;font-size:12.5px;color:var(--muted);display:flex;justify-content:space-between}
  .kcol h3 .n{background:var(--chip);border-radius:999px;padding:0 7px;font-size:11px}
  .kcard{background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px;margin-bottom:8px;cursor:pointer;transition:.12s}
  .kcard:hover{border-color:#bcd0f5;box-shadow:0 2px 8px rgba(31,111,235,.1)}
  .kcard .t{font-size:13px;font-weight:500;margin-bottom:5px}
  .kcard .b{display:flex;justify-content:space-between;font-size:11.5px;color:var(--muted)}
  /* 表格通用 */
  table.tbl{width:100%;border-collapse:collapse;font-size:13px}
  table.tbl th,table.tbl td{border:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}
  table.tbl th{background:#f7f9fc;color:var(--muted);font-weight:600;position:sticky;top:0}
  table.tbl tr:hover td{background:#fcfdff}
  /* 可编辑清单 */
  .sheet{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
  .prod-switch{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:8px;align-items:center;padding:10px 14px 10px 0;background:transparent}
  .prod-switch .ps-bar{width:4px;height:20px;border-radius:24px;background:var(--brand);flex-shrink:0}
  .prod-switch .ps-label{font-size:13px;line-height:1;color:var(--ink);user-select:none;white-space:nowrap;margin-left:2px}
  .prod-switch .ps{font-size:12px;line-height:1;padding:6px 13px;border:1px solid var(--line);border-radius:999px;cursor:pointer;background:#fff;color:var(--ink);user-select:none;transition:.12s}
  .prod-switch .ps:hover{background:#eef2ff}
  .prod-switch .ps.cur{background:var(--brand);color:#fff;border-color:var(--brand)}
  .sheet-toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line);background:#fafbfd}
  .sheet-toolbar input[type=text],.sheet-toolbar select{font-size:13px;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}
  .sheet-toolbar input.search{flex:1;min-width:180px}
  .btn{background:var(--brand);color:#fff;border:none;border-radius:8px;padding:7px 13px;font-size:13px;cursor:pointer;font-weight:500}
  .btn:hover{filter:brightness(1.05)}
  .btn.ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}
  .btn.ghost:hover{background:var(--chip)}
  .btn.sm{padding:4px 9px;font-size:12px}
  .btn.danger{background:#fff;border:1px solid #f0c2c2;color:var(--danger)}
  .btn.danger:hover{background:#fff5f5}
  /* 统一显示每页 50 条：表格随内容增高，滚动交由页面本身处理。 */
  .sheet-scroll,.sheet-scroll.no-scroll{overflow:visible;max-height:none}
  table.sheet-tbl{width:100%;border-collapse:collapse;font-size:13px;table-layout:fixed}
  table.sheet-tbl th{background:#f3f6fb;color:var(--muted);font-weight:600;padding:8px 8px;text-align:left;position:sticky;top:0;white-space:nowrap;cursor:pointer;user-select:none}
  table.sheet-tbl th .arrow{font-size:10px;color:var(--brand)}
  table.sheet-tbl td{border:1px solid var(--line);padding:0}
  table.sheet-tbl td.cell input,table.sheet-tbl td.cell select,table.sheet-tbl td.cell textarea{
    width:100%;border:none;background:transparent;padding:7px 8px;font-size:13px;color:var(--ink);font-family:inherit;resize:vertical}
  table.sheet-tbl td.cell textarea{min-height:34px}
  table.sheet-tbl td.cell input:focus,table.sheet-tbl td.cell select:focus,table.sheet-tbl td.cell textarea:focus{outline:2px solid var(--brand-soft);background:#fff}
  /* 版本范围只在列表内展示两行摘要，完整内容仍在版本详情可查看。 */
  table.sheet-tbl td.cell .version-scope-summary{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;min-height:36px;padding:7px 8px;line-height:1.45;word-break:break-word;cursor:text;outline:none}
  table.sheet-tbl td.cell .version-scope-summary:focus{box-shadow:inset 0 0 0 2px var(--brand-soft)}
  table.sheet-tbl tr:hover td{background:#fcfdff}
  /* 已发布版本以绿色删除线文字标识，保留列表默认底色与悬停反馈。 */
  table.sheet-tbl td.version-published-cell input{color:#2b8a3e;text-decoration:line-through}
  table.sheet-tbl td.cell-center{text-align:center;padding:6px 8px}
  /* 标题：2 行展示，超出省略号 */
  table.sheet-tbl td.cell .cell-title{display:inline-block;vertical-align:middle;overflow:visible;line-height:1.4;padding:12px 4px 12px 6px;max-width:100%;white-space:normal;word-break:break-word;cursor:text;outline:none}
  table.sheet-tbl td.cell .cell-title[data-empty="true"]::before{content:attr(data-placeholder);color:var(--muted);pointer-events:none}
  table.sheet-tbl td.cell .cell-title:focus{background:#fff;box-shadow:inset 0 0 0 2px var(--brand-soft)}
  /* Bug 列表标题前的 [图]/[视频] 标识：flex 布局，标识固定在标题首行左侧垂直居中；点击可打开媒体。
     注意：flex 容器必须放在内层 div.cell-media-row 上，不能放在 <td> 上——否则 border-collapse 失效、
     单元格与邻接单元格画出双层不重合边框（看起来「变粗」）。td 保持 table-cell 让 border-collapse 正常生效。 */
  table.sheet-tbl td.cell .cell-media-row{display:flex;align-items:flex-start;flex-wrap:nowrap;padding:0}
  table.sheet-tbl td.cell .cell-media-row .cell-title-row{flex:1 1 0;min-width:0}
  table.sheet-tbl td.cell .cell-media-row .cell-title{flex:1 1 0;min-width:0;vertical-align:baseline;padding-left:2px}
  table.sheet-tbl td.cell .cell-media-row .mt-tag{align-self:flex-start;flex:0 0 auto;margin:14px 4px 0 10px;font-size:11px;line-height:1.2;font-weight:600;letter-spacing:.2px;cursor:pointer}
  table.sheet-tbl td.cell .mt-img{color:#2b6fe3}
  table.sheet-tbl td.cell .mt-vid{color:#8b3ff0}
  table.sheet-tbl td.cell .mt-tag:hover{text-decoration:underline}
  table.sheet-tbl td.cell input.paused-red,table.sheet-tbl td.cell select.paused-red{color:#e03131;font-weight:600}
  /* 分页 */
  .pager{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:10px 14px;border-top:1px solid var(--line);background:#fafbfd}
  .pager .pg-info{font-size:12.5px;color:var(--muted)}
  .pager .pg-btns{display:flex;flex-wrap:wrap;gap:4px;align-items:center}
  .pager .pg{font-size:13px;min-width:30px;height:30px;padding:0 8px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:7px;cursor:pointer}
  .pager .pg:hover:not(:disabled){border-color:var(--brand);color:var(--brand)}
  .pager .pg:disabled{opacity:.45;cursor:not-allowed}
  .pager .pg.cur{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
  .pager .pg-nums{display:inline-flex;gap:4px;align-items:center}
  .pager .pg-nums .pg{font-family:inherit}
  .ops{white-space:nowrap}
  .rowview{color:var(--brand);cursor:pointer;padding:0 8px;font-size:12px;white-space:nowrap}
  .rowview:hover{text-decoration:underline}
  .rowdel{color:var(--danger);cursor:pointer;padding:0 8px;font-size:12px;white-space:nowrap}
  .rowdel:hover{text-decoration:underline}
  .rowpause{color:#e8920c;cursor:pointer;padding:0 8px;font-size:12px;white-space:nowrap}
  .rowpause:hover{text-decoration:underline}
  .idx{color:var(--muted);text-align:center;background:#fafbfd;width:34px;font-size:12px}
  .idx.idx-fixed{background:#e6f9ec;color:#1a7f4b;font-weight:600}
  .code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;color:var(--info)}
  /* 徽标 */
  .tag{font-size:11px;padding:1px 8px;border-radius:999px;font-weight:600;white-space:nowrap;display:inline-block}
  /* 列表中 priority / severity 下拉的等级配色（圆角胶囊徽章样式） */
  /* 列表等级色块保持紧凑：固定小宽度并居中，让列内两侧留出呼吸空间。 */
  table.sheet-tbl td.cell>select[data-color]{display:block;margin:0 auto;width:60px;min-width:0;max-width:calc(100% - 40px);font-size:12px;font-weight:600;border:none;border-radius:999px;padding:3px 15px 3px 6px;cursor:pointer;background-color:transparent;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5' viewBox='0 0 8 5'%3E%3Cpath d='M1 1l3 3 3-3' fill='none' stroke='%23718294' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 7px center;background-size:8px 5px;-webkit-appearance:none;appearance:none;text-align:center}
  table.sheet-tbl td.cell>select[data-color]:focus{outline:none;box-shadow:0 0 0 2px var(--brand-soft)}
  table.sheet-tbl td.cell>select[data-color] option{background:#fff;color:#333;font-weight:400}
  .dform select[data-color]{width:auto;font-size:13px;font-weight:600;border:none;border-radius:999px;padding:3px 24px;cursor:pointer;-webkit-appearance:none;appearance:none;text-align:center}
  .dform select[data-color]:focus{outline:none;box-shadow:0 0 0 2px var(--brand-soft)}
  .dform select[data-color] option{background:#fff;color:#333;font-weight:400}
  .dfield.richfull{grid-column:1/-1}
  .rte{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
  .rte-bar{display:flex;gap:4px;flex-wrap:wrap;padding:6px 8px;border-bottom:1px solid var(--line);background:#fafbfc}
  .rbtn{font-size:12px;line-height:1;padding:5px 8px;border:1px solid var(--line);background:#fff;border-radius:6px;cursor:pointer;color:var(--ink)}
  .rbtn:hover{background:#eef2ff}
  .rte-bar .rte-size{font-size:12px;line-height:1;-webkit-appearance:none;appearance:none;width:auto;height:24px;padding:0 20px 0 6px;border:1px solid var(--line);background:#fff url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='6' viewBox='0 0 8 6'%3E%3Cpath d='M0 0l4 6 4-6z' fill='%2393a1b3'/%3E%3C/svg%3E") no-repeat right 5px center/8px 6px;border-radius:6px;color:var(--ink);font-family:inherit;cursor:pointer;flex:0 0 auto}
  .rte-bar .rte-size:hover{background-color:#eef2ff}
  .rte-bar .rte-size:focus{outline:none;border-color:var(--brand)}
  /* 源代码编辑按钮：推到工具栏最右侧 */
  .rte-bar .rte-code{margin-left:auto}
  .rte-code-modal{width:1000px;max-width:94vw}
  .rte-code-area{width:100%;height:60vh;min-height:320px;box-sizing:border-box;font-family:'SFMono-Regular',Consolas,'Liberation Mono',Menlo,monospace;font-size:12.5px;line-height:1.5;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:#fbfcfe;color:#1f2937;resize:vertical;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:break-word;tab-size:2}
  .rte-code-area:focus{outline:none;border-color:var(--brand)}
  .rte-color{position:relative;display:inline-flex;align-items:center}
  .rte-color-btn{font-weight:700;text-decoration:underline;text-decoration-thickness:3px}
  .rte-body{min-height:130px;padding:10px 12px;font-size:13px;line-height:1.65;outline:none;word-break:break-word}
  .rte-body:focus{border-color:var(--brand)}
  .rte-body img{max-width:360px;border:1px solid var(--line);border-radius:6px;margin:4px auto;display:block;cursor:zoom-in}
  .rte-body video{max-width:360px;border-radius:6px;margin:4px auto;display:block;background:#000;cursor:pointer}
  /* 媒体大屏查看（lightbox）：点击图片/视频弹出，自适应高度，点击遮罩或 Esc 关闭 */
  .media-mask{position:fixed;inset:0;background:rgba(10,15,25,.82);z-index:9999;display:flex;align-items:center;justify-content:center;cursor:zoom-out}
  .media-mask video{max-width:92vw;max-height:86vh;width:auto;height:auto;border-radius:8px;background:#000;box-shadow:0 10px 50px rgba(0,0,0,.55)}
  .media-mask img{max-width:92vw;max-height:86vh;width:auto;height:auto;border-radius:6px;box-shadow:0 10px 50px rgba(0,0,0,.55)}
  /* Bug 分享预览：图片 + 下载/关闭按钮 */
  .share-preview{display:flex;flex-direction:column;align-items:center;gap:14px;max-width:min(92vw,860px)}
  .share-preview img{max-width:100%;max-height:76vh;width:auto;height:auto;border-radius:10px;box-shadow:0 12px 44px rgba(0,0,0,.4);cursor:default}
  .share-actions{display:flex;gap:10px;align-items:center}
  .share-actions .btn{font-size:13px;padding:7px 16px}
  /* 详情翻页位于视口左右中部；分享和返回顶部收至右下，避开详情底部操作栏。 */
  .detail-pager{position:fixed;inset:0;pointer-events:none;z-index:60}
  .detail-page-btn{position:absolute;top:50%;width:52px;height:52px;transform:translateY(-50%);border:0;border-radius:50%;background:rgba(58,67,79,.56);color:#fff;box-shadow:0 2px 8px rgba(20,28,40,.18);font:400 46px/46px Arial,sans-serif;cursor:pointer;pointer-events:auto;transition:background .15s,opacity .15s,transform .15s}
  .detail-page-btn:hover{background:rgba(47,111,237,.9);transform:translateY(-50%) scale(1.05)}
  .detail-page-btn:focus-visible{outline:3px solid #9ec5ff;outline-offset:3px}
  .detail-page-btn:disabled{visibility:hidden;pointer-events:none}
  .detail-page-prev{left:max(14px,calc(50% - 690px));padding:0 3px 5px 0}
  .detail-page-next{right:max(14px,calc(50% - 690px));padding:0 0 5px 3px}
  /* 页面右侧悬浮按钮组：Bug 分享 + 返回顶部（固定在页面底部） */
  .side-float{position:fixed;right:18px;bottom:82px;display:flex;flex-direction:column;gap:10px;z-index:55}
  @media (min-width:1320px){
    .side-float{left:calc(50% + 610px);right:auto}
  }
  .side-float .sf-btn{width:46px;height:46px;border-radius:10px;border:1px solid var(--line);background:#fff;box-shadow:0 4px 14px rgba(0,0,0,.12);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;font-size:11px;line-height:1;color:var(--ink);transition:border-color .15s,color .15s,box-shadow .15s}
  .side-float .sf-btn:hover{border-color:var(--brand);color:var(--brand);box-shadow:0 6px 18px rgba(0,0,0,.18)}
  .side-float .sf-icon{font-size:17px;line-height:1}
  .side-float .sf-top{display:none}
  .side-float .sf-top.show{display:flex}
  @media (max-width:640px){ .detail-page-btn{width:40px;height:40px;font-size:36px;line-height:36px}.detail-page-prev{left:4px}.detail-page-next{right:4px}.side-float{right:8px;bottom:92px;gap:8px} .side-float .sf-btn{width:40px;height:40px;font-size:10px} }
  /* 视频封面：360px 宽、高度自适应，半透明遮罩 + 中央播放按钮；编辑态再挂右上角删除按钮 */
  .rte-video-wrap{position:relative;display:table;margin:4px auto;max-width:100%;cursor:pointer}
  .rte-video-wrap video{display:block;width:360px;height:auto;background:#000;border-radius:6px}
  .rte-video-wrap::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.42);border-radius:6px;transition:background .2s;pointer-events:none}
  .rte-video-wrap:hover::before{background:rgba(0,0,0,.26)}
  .vplay-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.94);display:flex;align-items:center;justify-content:center;font-size:20px;color:#1f2d3d;box-shadow:0 4px 16px rgba(0,0,0,.35);pointer-events:none;z-index:2;line-height:1}
  .rte-video-del{position:absolute;top:-9px;right:-9px;width:20px;height:20px;border:none;border-radius:50%;background:#e03131;color:#fff;font-size:13px;line-height:1;cursor:pointer;z-index:3;padding:0;box-shadow:0 1px 4px rgba(0,0,0,.3)}
  .rte-video-del:hover{background:#c92a2a}
  .rte-file{display:none}
  .t-high{background:#ffe3e3;color:#c92a2a}.t-mid{background:#fff3bf;color:#e67700}.t-low{background:#d3f9d8;color:#2b8a3e}.t-imp{background:#f3e8ff;color:#7c3aed}
  .t-sev-crit{background:#ffc9c9;color:#c92a2a}.t-sev-mid{background:#e7f5ff;color:#1971c2}.t-sev-low{background:#d3f9d8;color:#2b8a3e}
  .t-sev-imp{background:#ffe8cc;color:#e8590c}
  .t-new{background:#e7f5ff;color:#1971c2}.t-doing{background:#fff0e6;color:#e8590c}.t-delay{background:#fff7d6;color:#9a6700}
  .t-fix{background:#d3f9d8;color:#2b8a3e}.t-close{background:#eceef1;color:#868e96}
  .t-plan{background:#f3f0ff;color:#6741d9}.t-dev{background:#fff0e6;color:#e8590c}
  .t-test{background:#e7f5ff;color:#1971c2}.t-rel{background:#d3f9d8;color:#2b8a3e}
  .t-crit{background:#ffc9c9;color:#c92a2a}
  .badge{font-size:11px;padding:2px 8px;border-radius:6px;background:var(--chip);color:var(--muted)}
  /* 产品模块树 */
  .module-tree{user-select:none}
  .mnode{display:flex;align-items:center;gap:5px;padding:0 6px;border-radius:6px;height:22px;box-sizing:border-box;line-height:1}
  .mnode:hover{background:#f7f9fc}
  /* 一级模块强制贴左（无论有无二级模块） */
  .mnode.m-d0{padding-left:6px !important}
  .mnode.m-d1{padding-left:28px}
  .mnode.m-d2{padding-left:48px}
  .mnode .caret{display:inline-block;vertical-align:middle;width:14px;height:14px;min-width:14px;max-width:14px;padding:0;border:1px solid #cdd5df;border-radius:3px;background:#fff;font-size:13px;line-height:12px;color:#6b7785;cursor:pointer;box-sizing:border-box;text-align:center;font-weight:600;overflow:hidden}
  .mnode .caret.collapsed::before{content:"+"}
  .mnode .caret:not(.collapsed):not(.empty)::before{content:"−"}
  .mnode .caret:not(.empty):hover{border-color:var(--brand);background:#f3f6fb;color:var(--brand)}
  .mnode .caret.empty{display:inline-block !important;width:14px !important;height:14px !important;min-width:14px !important;max-width:14px !important;cursor:default;border-color:#e4e8ef;background:#fafbfd}
  .mnode .name{flex:1;font-size:12.5px;line-height:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0;padding:0}
  .mnode .acts{display:flex;gap:2px;opacity:.35;transition:.15s}
  .mnode:hover .acts{opacity:1}
  .mnode .act{width:18px;height:18px;border:1px solid var(--line);background:#fff;border-radius:4px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-size:11px;color:var(--muted);line-height:1;padding:0;flex:0 0 18px}
  .mnode .act:hover{border-color:var(--brand);color:var(--brand);background:#f3f6fb}
  .mchildren{padding-left:0;border-left:0;margin-left:0}
  .mnode input[type=text]{height:18px;font-size:12.5px;line-height:18px;padding:0 6px;border:1px solid var(--line);border-radius:6px;flex:1;font-family:inherit;min-width:0;box-sizing:border-box}
  .mnode .act.save{color:var(--ok);border-color:#b5dfb5}
  .mnode .act.cancel{color:var(--muted);border-color:var(--line)}
  /* 迭代/版本时间线 */
  .timeline{position:relative;padding-left:18px}
  .timeline::before{content:"";position:absolute;left:5px;top:4px;bottom:4px;width:2px;background:var(--line)}
  .tl-item{position:relative;margin-bottom:14px}
  .tl-item::before{content:"";position:absolute;left:-16px;top:5px;width:10px;height:10px;border-radius:50%;background:var(--brand);border:2px solid #fff;box-shadow:0 0 0 1px var(--line)}
  .tl-item.done::before{background:var(--ok)}
  .tl-item .h{font-weight:600;font-size:14px}
  .tl-item .d{font-size:12.5px;color:var(--muted);margin-top:2px}
  .people{display:flex;flex-wrap:wrap;gap:10px}
  .pcard{background:#fafbfd;border:1px solid var(--line);border-radius:10px;padding:10px 12px;min-width:140px;flex:1}
  .pcard .name{font-weight:600}
  .pcard .stat{display:flex;gap:14px;margin-top:6px;font-size:12px;color:var(--muted)}
  .pcard .stat b{display:block;font-size:17px;color:var(--ink)}
  .empty{color:var(--muted);text-align:center;padding:26px;font-size:13px}
  table.sheet-tbl td.empty{padding:20px 26px}
  table.sheet-tbl .empty-add-link{padding:0;border:0;background:transparent;color:var(--brand);font:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:2px}
  table.sheet-tbl .empty-add-link:hover{color:#1f5bc8}
  table.sheet-tbl .empty-add-link:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:2px}
  .note{font-size:12px;color:var(--muted);background:#fff8f1;border:1px solid #f3d9c4;border-radius:10px;padding:10px 12px;margin:12px 0}
  .uin{width:100%;padding:6px 8px;border:1px solid var(--line);border-radius:6px;font-size:13px;box-sizing:border-box;background:#fff}
  .tag-ok{color:#2e9e5b;font-size:12px}.tag-no{color:#aaa;font-size:12px}
  .modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:9999}
  .modal{background:#fff;border-radius:12px;padding:20px;width:320px;max-width:90vw;box-shadow:0 12px 40px rgba(0,0,0,.25)}
  .modal-h{font-weight:600;margin-bottom:12px}
  .modal-pwd{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-size:14px;margin-bottom:14px;box-sizing:border-box}
  .modal-actions{text-align:right}
  /* 删除二次确认弹窗：红色强提示，确认删除放左侧、取消放右侧，加间距 */
  .del-confirm{width:360px}
  .del-confirm .del-msg{font-size:13.5px;color:var(--ink);line-height:1.6;margin-bottom:14px}
  .del-confirm .del-warn{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--danger);background:#fff5f5;border:1px solid #f5c2c2;border-radius:8px;padding:9px 11px;margin-bottom:16px}
  .del-confirm .modal-actions{display:flex;justify-content:flex-end;align-items:center;gap:14px;text-align:right}
  .btn.danger-solid{background:var(--danger);color:#fff;border:1px solid var(--danger)}
  .btn.danger-solid:hover{filter:brightness(.94)}
  /* 树形选择器（模块）：触发器 + 弹窗树 */
  .tree-trigger{display:flex;align-items:center;gap:6px;width:100%;min-height:34px;padding:6px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font-size:14px;font-family:inherit;cursor:pointer;text-align:left;box-sizing:border-box}
  .tree-trigger:hover{border-color:var(--brand)}
  .tree-trigger .tt-val{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .tree-trigger .tt-val.tval-empty{color:var(--muted)}
  .tree-trigger .tt-caret{color:var(--muted);font-size:11px;flex:0 0 auto}
  .tree-trigger[disabled]{background:#f4f5f7;color:var(--muted);cursor:not-allowed}
  table.sheet-tbl td.cell .tree-trigger{border:none;border-radius:0;background:transparent;padding:7px 8px;font-size:13px;min-height:0}
  table.sheet-tbl td.cell .tree-trigger:hover{background:var(--brand-soft)}
  .tree-popover{position:fixed;z-index:9999;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.14);padding:4px;min-width:200px;max-width:320px;max-height:340px;overflow:auto}
  .tree-popover .tp-clear{display:flex;align-items:center;line-height:24px;padding:0 8px;border-radius:5px;cursor:pointer;font-size:12.5px;color:var(--muted);margin-bottom:2px;min-height:24px}
  .tree-popover .tp-clear:hover{background:var(--chip);color:var(--ink)}
  .tree-popover .tp-node{display:flex;align-items:center;gap:4px;line-height:24px;padding:0 8px;border-radius:5px;cursor:pointer;font-size:13px;color:var(--ink);user-select:none;min-height:24px}
  .tree-popover .tp-node:hover{background:var(--chip)}
  .tree-popover .tp-node.selected{background:var(--brand-soft);color:var(--brand);font-weight:600}
  .tree-popover .tp-caret{display:inline-block;width:12px;text-align:center;color:var(--muted);font-size:10px;cursor:pointer;flex:0 0 auto;line-height:24px}
  .tree-popover .tp-caret.tpc-empty{cursor:default}
  .tree-popover .tp-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:24px}
  .tree-popover .tp-empty{padding:18px;text-align:center;color:var(--muted);font-size:13px}
  /* 迭代管理面板（管理页本期迭代设置右侧） */
  .iter-mgmt-list{display:flex;flex-direction:column;gap:6px;margin-bottom:10px}
  .iter-mgmt-row{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff}
  .iter-mgmt-row .im-info{flex:1;min-width:0}
  .iter-mgmt-row .im-name{font-size:13.5px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:6px;flex-wrap:wrap}
  .iter-mgmt-row .im-date{font-size:12px;color:var(--muted);margin-top:2px}
  .iter-mgmt-row .im-ops{display:flex;gap:6px;flex:0 0 auto}
  /* 数据统计横向卡片 */
  .stat-row{display:flex;gap:12px;flex-wrap:wrap}
  .stat-card{flex:1;min-width:120px;border:1px solid var(--line);border-radius:8px;padding:12px 14px;background:#fff}
  .stat-card .sc-label{font-size:12px;color:var(--muted)}
  .stat-card .sc-num{font-size:22px;font-weight:700;color:var(--ink);margin-top:4px}
  /* 顶栏用户标识 + 独立登录页 */
  .user-chip{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink);background:#f3f6fb;border:1px solid var(--line);border-radius:999px;padding:5px 10px;white-space:nowrap}
  .user-chip b{font-weight:600}
  .user-chip i{font-style:normal;color:var(--muted)}
  .user-chip .btn.xs{padding:2px 8px;font-size:12px;margin-left:2px}
  body.login-page-active{display:block;min-height:100vh;overflow:hidden;background:#165dcc}
  body.login-page-active>.topbar,body.login-page-active>.wrap,body.login-page-active>.channel-loading,body.login-page-active>#syncbanner{display:none!important}
  .login-mask{box-sizing:border-box;overflow-y:auto;padding:40px 20px;background:radial-gradient(120% 95% at 10% 0%,rgba(126,184,255,.9) 0%,rgba(76,139,239,.56) 38%,rgba(47,111,237,0) 72%),radial-gradient(105% 92% at 94% 100%,rgba(12,61,164,.86) 0%,rgba(19,82,196,.48) 44%,rgba(19,82,196,0) 76%),linear-gradient(135deg,#1556c8 0%,#2f7cf2 48%,#144cb5 100%);backdrop-filter:none;isolation:isolate}
  .login-particles{position:fixed;inset:0;z-index:0;width:100%;height:100%;pointer-events:none;opacity:.9}
  .login-stage{position:relative;z-index:1;width:min(100%,400px);display:flex;flex-direction:column;align-items:stretch}
  .login-brand{display:flex;flex-direction:column;align-items:center;text-align:center;color:#fff;margin:0 0 20px;text-shadow:0 2px 16px rgba(9,45,128,.26)}
  .login-brand-title{margin:0;font-size:28px;line-height:1.35;font-weight:700;letter-spacing:0}
  .login-brand-logo{display:block;width:auto;height:38px;max-width:min(100%,214px);object-fit:contain}
  .login-box{box-sizing:border-box;background:#fff;border:1px solid rgba(255,255,255,.7);border-radius:8px;padding:28px 28px 26px;width:100%;box-shadow:0 24px 64px rgba(7,38,105,.3)}
  .login-copyright{margin:18px 0 0;color:rgba(255,255,255,.72);font-size:12px;line-height:1.65;text-align:center;text-shadow:0 1px 8px rgba(9,45,128,.24)}
  .login-logo{font-size:18px;font-weight:700;color:var(--ink);text-align:center;line-height:1.4}
  .login-sub{font-size:12.5px;color:var(--muted);text-align:center;margin:6px 0 20px}
  .login-field{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}
  .login-field span{font-size:12.5px;color:var(--muted)}
  .login-input{font-size:14px;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);font-family:inherit;width:100%;box-sizing:border-box}
  .login-input:focus{border-color:var(--brand);outline:none}
  .login-hint{font-size:12px;color:var(--muted);text-align:center;margin:-8px 0 10px;letter-spacing:.3px}
  .login-remember{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--muted);margin:-6px 0 12px;cursor:pointer;user-select:none}
  .login-remember input{width:14px;height:14px;accent-color:var(--brand);cursor:pointer}
  .login-err{color:#e5484d;font-size:12.5px;min-height:16px;margin-bottom:8px}
  .login-btn{width:100%;padding:11px;font-size:15px;font-weight:600}
  .login-btn:disabled{cursor:wait;opacity:.75}
  .login-progress{font-size:12px;line-height:1.6;color:var(--muted);margin-bottom:10px;overflow-wrap:anywhere}
  .login-progress progress{display:block;width:100%;height:6px;margin-top:5px;accent-color:var(--brand)}
  @media (prefers-reduced-motion:reduce){.login-particles{opacity:.65}}
  .kv{font-size:13px;color:var(--muted)}
  .kv b{color:var(--ink)}
  .section{margin-bottom:22px}
  .section > h3{font-size:14px;margin:0 0 10px;display:flex;align-items:center;gap:8px}
  .pill{background:var(--brand-soft);color:var(--brand);border-radius:999px;padding:2px 10px;font-size:12px}
  .split{display:flex;gap:16px;flex-wrap:wrap}
  .split .half{flex:1;min-width:300px}
  .filebox{background:#fafbfd;border:1px dashed var(--line);border-radius:10px;padding:14px;font-size:13px;color:var(--muted)}
  .toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#1f2d3d;color:#fff;padding:10px 18px;border-radius:10px;font-size:13px;opacity:0;transition:.25s;z-index:200;pointer-events:none}
  .toast.show{opacity:1}
  .syncbanner{position:fixed;top:14px;left:50%;transform:translateX(-50%);z-index:210;display:flex;align-items:center;gap:12px;max-width:92vw;background:#0c447c;color:#fff;padding:10px 16px;border-radius:10px;font-size:13px;box-shadow:0 6px 20px rgba(0,0,0,.18)}
  .syncbanner .sync-msg{line-height:1.4}
  .syncbanner .sync-actions{display:flex;gap:8px;flex:none}
  .syncbanner .btn.sm{font-size:12px;padding:5px 10px}
  .syncbanner .btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff}
  /* 详情页 */
  .dhead{display:flex;align-items:center;gap:10px;margin-bottom:4px}
  .dpill{background:var(--brand-soft);color:var(--brand);border-radius:999px;padding:2px 10px;font-size:12px}
  .dtitle{font-size:18px;font-weight:700}
  .dtitle-input{display:block;width:min(100%,680px);min-width:0;box-sizing:border-box;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink);font:inherit;font-weight:700}
  .dtitle-input:focus{outline:2px solid var(--brand);outline-offset:1px}
  /* 产品头部：左 Logo 图 + 右两行文字（名称/负责人等），Logo 圆角、与两行等高 */
  .pd-head-row{display:flex;align-items:center;gap:14px;margin-top:15px}
  .pd-head-text{flex:1;min-width:0}
  .pd-logo{width:54px;height:54px;border-radius:12px;object-fit:cover;flex:0 0 auto;border:1px solid var(--line);background:#fafbfd}
  .pd-meta{display:flex;flex-wrap:wrap;gap:6px 22px;margin-top:0;font-size:13.5px;color:var(--ink)}
  .pd-meta b{color:var(--brand);font-weight:700}
  .pd-intro{margin-top:10px;display:flex;flex-direction:column;gap:4px}
  .pd-intro-label{font-size:12px;color:var(--muted)}
  .pd-intro-text{font-size:14px;line-height:1.6;color:var(--ink);white-space:pre-wrap}
  .pd-intro-edit{width:100%;min-height:64px;resize:vertical;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:14px;font-family:inherit;color:var(--ink);background:#fff}
  .pd-intro.ro .pd-intro-text{background:#f7f8fa;border-radius:8px;padding:8px 10px}
  .dform{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px 18px}
  .dfield.linkrow .linkbox{display:flex;gap:6px;align-items:center}
  .dfield.linkrow .linkbox .urlin{flex:1;min-width:0}
  .dfield.linkrow .openlink{white-space:nowrap;color:var(--brand);cursor:pointer;border:1px solid var(--line);border-radius:6px;padding:4px 10px;font-size:12px;text-decoration:none;background:#fff}
  .dfield.linkrow .openlink:hover{background:var(--brand-soft)}
  .dfield{display:flex;flex-direction:column;gap:4px}
  .dfield label{font-size:12px;color:var(--muted)}
  .dfield input:disabled,.dfield select:disabled,.dfield textarea:disabled{background:#f4f5f7;color:var(--muted);cursor:not-allowed;opacity:.85}
  .rte.ro .rte-bar{display:none}
  .rte.ro .rte-body{background:#f4f5f7;color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px 10px;min-height:60px}
  /* 需求详情左栏主字段：子小标题 + 内容块（输入宽度撑满内容区） */
  .req-section{margin-bottom:18px}
  .req-section:last-child{margin-bottom:0}
  .req-section-title{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:10px}
  .req-section-body .dfield{width:100%}
  .req-section-body .dfield input,.req-section-body .dfield textarea,.req-section-body .dfield select{width:100%}
  .req-section-body .dfield textarea{min-height:90px}
  .req-plain{font-size:13.5px;line-height:1.7;color:var(--ink);white-space:pre-wrap;word-break:break-word}
  .req-plain .muted{color:var(--muted)}
  /* 需求拆解：父需求的子需求 / 功能点，仅在父需求详情中编辑。 */
  .req-breakdown-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
  .req-breakdown-head h2{margin:0}
  .req-breakdown-scroll{overflow:auto}
  .req-breakdown-table{min-width:650px}
  .req-breakdown-table th,.req-breakdown-table td{vertical-align:top}
  .req-item-kind{display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;min-width:45px;padding:2px 6px;border-radius:5px;font-size:11px;font-weight:600;line-height:1.35}
  .req-item-kind.sub{color:#225fc7;background:#e7f1ff}
  .req-item-kind.point{color:#18764a;background:#e5f7ed}
  .req-item-title{font-size:13px;font-weight:600;color:var(--ink);line-height:1.5;word-break:break-word}
  .req-item-link{padding:0;border:0;background:transparent;color:var(--brand);font:inherit;text-align:left;cursor:pointer}
  .req-item-link:hover{text-decoration:underline}
  .req-item-desc{margin-top:3px;font-size:12px;color:var(--muted);line-height:1.5;white-space:pre-wrap;word-break:break-word}
  .req-item-ops{white-space:nowrap;display:flex;align-items:center;gap:5px}
  .icon-btn{width:27px;height:27px;padding:0;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--muted);font:600 14px/1 inherit;cursor:pointer}
  .icon-btn:hover:not(:disabled){color:var(--brand);border-color:#b8cdf2;background:#f4f8ff}
  .icon-btn:disabled{opacity:.42;cursor:not-allowed}
  .req-item-modal{width:560px;max-width:92vw}
  .cell-title-row{display:flex;align-items:center;gap:6px;min-width:0}
  .cell-title-row .cell-title{min-width:0;flex:0 1 auto}
  .req-list-count{display:inline-flex;flex:0 0 auto;padding:1px 5px;border-radius:5px;background:#eef5ff;color:#2f6fed;font-size:11px;line-height:1.45;white-space:nowrap}
  /* 拆解项仍是同一张需求表的行：沿用父行的背景、边框与 hover，只保留层级内容。 */
  table.sheet-tbl .req-list-child td{height:42px;vertical-align:middle}
  .req-code-cell{display:flex;align-items:center;gap:5px;min-width:0}
  .req-code-cell input{min-width:0;flex:1}
  .req-list-toggle{width:18px;height:18px;flex:0 0 18px;padding:0;border:1px solid #cdd5df;border-radius:3px;background:#fff;color:#6b7785;font:600 14px/16px inherit;cursor:pointer;text-align:center}
  .req-list-toggle:hover{border-color:var(--brand);background:#f3f6fb;color:var(--brand)}
  .req-list-child-code,.req-list-child-inherited{padding:7px 8px!important;color:var(--ink);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .req-list-child-priority,.req-list-child-status,.req-list-child-owner{padding:0!important;white-space:nowrap}
  /* 子需求不适用的字段用斜线占位，避免被误认为是待填写的空内容。 */
  table.sheet-tbl td.req-list-child-empty,
  table.sheet-tbl tr.req-list-child:hover td.req-list-child-empty{
    background-color:#fff;
    background-image:linear-gradient(to top right,transparent calc(50% - .5px),#c7d0dc 50%,transparent calc(50% + .5px));
    background-repeat:no-repeat;
  }
  .req-list-empty{color:#a0abba}
  .req-list-child-title{padding:0!important}
  .req-list-item{display:flex;align-items:center;gap:7px;min-width:0;min-height:42px;padding:0 8px;color:var(--ink);font-size:13px}
  .req-tree-branch{color:#9aadbf;font-family:monospace;font-size:14px}
  .req-list-item-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
  button.req-list-item-title{padding:0;border:0;background:transparent;color:var(--brand);font:inherit;text-align:left;cursor:pointer}
  button.req-list-item-title:hover{text-decoration:underline}
  @media(max-width:700px){.req-item-ops{gap:3px}.req-list-child-inherited{max-width:110px}}
  .req-item-detail-grid{display:grid;grid-template-columns:minmax(0,3fr) minmax(240px,1fr);gap:16px;align-items:start}
  .req-item-detail-desc{font-size:14px;line-height:1.75;white-space:pre-wrap;word-break:break-word;color:var(--ink);min-height:96px}
  .req-parent-link{display:inline-flex;align-items:center;gap:7px;padding:0;border:0;background:transparent;color:var(--brand);font:inherit;text-align:left;cursor:pointer}
  .req-parent-link:hover{text-decoration:underline}
  /* 管理页频道设置 */
  .channel-manage-scroll{overflow-x:auto}
  .channel-manage-table{min-width:660px}
  .channel-manage-table th:first-child,.channel-manage-table td:first-child{width:44px;text-align:center}
  .channel-manage-table th:nth-child(3){width:150px}
  .channel-manage-table th:nth-child(4){width:110px}
  .channel-manage-table th:last-child{width:118px}
  .channel-order,.channel-key{color:var(--muted);font-variant-numeric:tabular-nums}
  .channel-name-input{width:100%;min-width:150px;border:1px solid transparent;border-radius:5px;padding:6px 7px;background:transparent;color:var(--ink);font:inherit}
  .channel-name-input:focus{outline:none;border-color:#b9d1f8;background:#fff}
  .channel-visible{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-size:13px;cursor:pointer}
  .channel-visible input{width:15px;height:15px;accent-color:var(--brand);margin:0}
  .channel-actions{display:flex;align-items:center;gap:5px;white-space:nowrap}
  /* 知识库：左侧目录，右侧列表 */
  #view-knowledge button,#view-knowledge input,#view-knowledge select,#view-knowledge textarea,.knowledge-editor button,.knowledge-editor input,.knowledge-editor select,.knowledge-editor textarea{font-family:inherit}
  .knowledge-layout{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:calc(100vh - 126px);border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden}
  .knowledge-tree{min-width:0;border-right:1px solid var(--line);background:#f8faff;padding:14px 10px}
  .knowledge-tree-head{display:flex;align-items:center;justify-content:space-between;padding:0 5px 10px}
  .knowledge-tree-head h2{margin:0;font-size:15px;color:var(--ink)}
  .knowledge-primary-actions{display:grid;gap:8px;padding:0 5px 13px}
  .knowledge-primary-action{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:40px;border:1px solid #cbd9eb;border-radius:6px;background:#fff;color:#365272;font-family:inherit;font-size:13px;font-weight:600;cursor:pointer}
  .knowledge-primary-action:hover{border-color:#8eb5f3;background:#eef5ff;color:#165fc9}
  .knowledge-primary-action.primary{border-color:var(--brand);background:var(--brand);color:#fff}
  .knowledge-primary-action.primary:hover{background:#1d67d5}
  .knowledge-primary-action.active{border-color:#2f7be8;background:#e4efff;color:#1d61c5}
  .knowledge-primary-action b{font-size:17px;line-height:1;font-weight:500}
  .knowledge-tree-list{display:grid;gap:3px}
  .knowledge-tree-item{display:grid;grid-template-columns:13px 16px minmax(0,1fr) auto;align-items:center;gap:5px;width:100%;border:0;border-radius:5px;padding:8px 7px 8px calc(7px + var(--knowledge-tree-depth,0) * 16px);background:transparent;color:#53657b;font-family:inherit;font-size:13px;line-height:1.35;text-align:left;cursor:pointer}
  .knowledge-tree-item:hover{background:#eef4ff;color:var(--brand)}
  .knowledge-tree-item.active{background:#e1edff;color:#1f61cf;font-weight:600}
  .knowledge-tree-item span:nth-child(3){min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .knowledge-tree-item b{font-size:11px;font-weight:500;color:#91a1b5}
  .knowledge-tree-caret{position:relative;display:block;width:13px;height:14px}
  .knowledge-tree-caret.branch{cursor:pointer}
  .knowledge-tree-caret.branch::after{content:"";position:absolute;left:3px;top:4px;width:5px;height:5px;border-right:1.5px solid #8b9ab0;border-bottom:1.5px solid #8b9ab0;transform:rotate(45deg);transition:transform .15s}
  .knowledge-tree-caret.branch.collapsed::after{left:2px;top:4px;transform:rotate(-45deg)}
  .knowledge-tree-icon{position:relative;display:block;width:15px;height:13px;color:#7890ad}
  .knowledge-tree-icon::before{content:"";position:absolute;left:0;right:0;bottom:0;height:9px;border:1.5px solid currentColor;border-radius:2px;background:rgba(255,255,255,.48);box-sizing:border-box}
  .knowledge-tree-icon::after{content:"";position:absolute;left:1px;top:0;width:6px;height:4px;border:1.5px solid currentColor;border-bottom:0;border-radius:2px 2px 0 0;box-sizing:border-box}
  .knowledge-tree-item.active .knowledge-tree-icon{color:#2e74dc}
  .knowledge-tree-icon.all::before{background:#dceaff;border-color:#538bea}
  .knowledge-tree-icon.all::after{border-color:#538bea}
  .knowledge-main{min-width:0;padding:20px 22px}
  .knowledge-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}
  .knowledge-toolbar h1{margin:0;font-size:18px;color:var(--ink)}
  .knowledge-manage-tip{margin-top:5px;color:#65809e;font-size:12px}
  .knowledge-tools{display:flex;align-items:center;gap:8px;min-width:0}
  .knowledge-tools input{width:260px;max-width:42vw;border:1px solid var(--line);border-radius:6px;padding:8px 10px;color:var(--ink);font-family:inherit;font-size:13px;background:#fff}
  .knowledge-tools input:focus{outline:2px solid var(--brand-soft);border-color:#91b9f5}
  .knowledge-list{overflow:hidden}
  .knowledge-list-head,.knowledge-list-row{display:grid;grid-template-columns:minmax(0,1fr) 90px 128px 132px;align-items:center;min-width:0}
  .knowledge-list-head{min-height:38px;border-bottom:1px solid #dce3ec;color:#7a8aa0;font-size:12px}
  .knowledge-list-head span{padding:0 10px}
  .knowledge-list-row{min-height:64px;border-bottom:1px solid #dce3ec;color:#506078}
  .knowledge-list-row:hover{background:#fbfdff}
  .knowledge-list-empty{padding:28px 12px;border-bottom:1px solid #dce3ec;text-align:center}
  .knowledge-title{display:inline-flex;align-items:center;gap:9px;min-width:0;max-width:100%;padding:10px;border:0;background:transparent;color:var(--ink);font-family:inherit;font-size:13px;text-align:left;cursor:pointer}
  .knowledge-title:hover{color:var(--brand);text-decoration:none}
  .knowledge-title-copy{display:flex;flex:1 1 auto;flex-direction:column;min-width:0;gap:1px}
  .knowledge-title-line{display:flex;align-items:center;gap:6px;min-width:0}
  .knowledge-title-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:0 1 auto;font-size:14px;font-weight:400}
  .knowledge-pin-badge{display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;min-width:18px;height:18px;padding:0 3px;border:1px solid #df6262;border-radius:3px;color:#d93838;font-size:11px;line-height:16px;font-weight:500;flex:0 0 auto}
  .knowledge-title-folder{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#9aa6b6;font-size:11px;line-height:1.35;font-weight:400}
  .knowledge-doc-icon{display:flex;align-items:center;justify-content:center;width:20px;height:20px;flex:0 0 20px}
  .knowledge-doc-icon img{display:block;max-width:100%;max-height:100%;width:auto;height:auto}
  .knowledge-row-author,.knowledge-row-time{padding:0 10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}
  .knowledge-row-time{font-variant-numeric:tabular-nums;color:#667994}
  .knowledge-row-actions{display:flex;align-items:center;justify-content:center;gap:3px;min-height:28px;padding:5px;white-space:nowrap}
  .knowledge-row-actions .icon-btn{flex:0 0 27px}
  .knowledge-row-actions .icon-btn.active{color:#d93838;border-color:#e7a0a0;background:#fffafa}
  .knowledge-row-actions .icon-btn.active:hover{color:#fff;border-color:#d93838;background:#d93838}
  .knowledge-row-actions .icon-btn.danger{color:var(--danger);border-color:#f1c7c7;background:#fffafa}
  .knowledge-row-actions .icon-btn.danger:hover{color:#fff;border-color:var(--danger);background:var(--danger)}
  /* 文档预览解除工作台列表的最大宽度，iframe 视口始终等于当前屏幕可用宽度。 */
  .wrap.knowledge-preview-wrap{max-width:none;padding:0;overflow:visible}
  .knowledge-document-open .topbar{display:none}
  .knowledge-document-open .knowledge-frame-shell{min-height:100dvh}
  .knowledge-frame-shell{display:flex;flex-direction:column;width:100%;min-height:calc(100dvh - 56px);border:1px solid var(--line);border-radius:0;overflow:hidden;background:#fff}
  .knowledge-frame-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;padding:8px 12px;border-bottom:1px solid var(--line);background:#fbfcfe}
  .knowledge-frame-bar>div:first-child{display:flex;gap:7px;align-items:center}
  .knowledge-frame-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink);font-size:14px;font-weight:600}
  .knowledge-frame{display:block;flex:1 1 auto;width:100%;min-height:0;border:0;background:#fff;overflow:auto}
  .knowledge-editor{width:min(590px,calc(100vw - 32px))}
  .knowledge-editor .modal-actions{display:flex;align-items:center;justify-content:flex-end;gap:12px;margin-top:20px}
  .knowledge-editor .modal-actions .btn{min-height:34px;padding:7px 14px;border-radius:7px;font-size:13px}
  .knowledge-title-input,.knowledge-folder-picker{display:flex;align-items:stretch;gap:8px;min-width:0}
  .knowledge-title-input select{flex:0 0 96px;width:96px;padding-left:8px;padding-right:24px}
  .knowledge-title-input input,.knowledge-folder-picker select{min-width:0;flex:1}
  .knowledge-folder-picker .btn{flex:0 0 auto;white-space:nowrap}
  .knowledge-folder-new{margin-top:10px;padding:11px;border:1px solid #dce5f0;border-radius:6px;background:#f8faff}
  .knowledge-folder-new>label{display:block;margin:0 0 7px;color:#53657b;font-size:12px}
  .knowledge-folder-new-controls{display:flex;align-items:center;gap:8px}
  .knowledge-folder-new input{min-width:0;flex:1}
  .knowledge-folder-new .btn{flex:0 0 auto}
  @media(max-width:760px){
    .knowledge-layout{grid-template-columns:1fr;min-height:0}
    .knowledge-tree{border-right:0;border-bottom:1px solid var(--line);padding:10px}
    .knowledge-tree-head{padding:0 4px 7px}
    .knowledge-tree-list{display:grid;gap:3px;max-height:250px;overflow-y:auto;padding-bottom:1px}
    .knowledge-tree-item{width:100%;min-width:0;padding:7px 8px 7px calc(8px + var(--knowledge-tree-depth,0) * 15px)}
    .knowledge-main{padding:14px}
    .knowledge-toolbar{align-items:stretch;flex-direction:column;gap:10px}
    .knowledge-tools{width:100%}
    .knowledge-tools input{width:100%;max-width:none}
    .knowledge-frame-shell{min-height:calc(100dvh - 56px)}
    .knowledge-frame-bar{align-items:flex-start;flex-wrap:wrap}
    .knowledge-frame-title{order:3;flex:1 0 100%}
    .knowledge-frame{min-height:0}
    .knowledge-folder-new-controls{align-items:stretch;flex-wrap:wrap}
    .knowledge-folder-new input{flex:1 0 100%}
  }
  @media(max-width:560px){
    .knowledge-list-head,.knowledge-list-row{grid-template-columns:minmax(0,1fr) 132px}
    .knowledge-list-head span:nth-child(2),.knowledge-list-head span:nth-child(3),.knowledge-row-author,.knowledge-row-time{display:none}
  }
  @media(max-width:960px){.req-item-detail-grid{grid-template-columns:1fr}}
  .detail-actions-widget{position:fixed;left:50%;right:auto;bottom:0;transform:translateX(-50%);z-index:50;display:flex;justify-content:center;padding:8px 18px;background:#fff;border-top:1px solid var(--line);box-shadow:0 -2px 10px rgba(0,0,0,.06);width:calc(100% - 36px);max-width:1244px;box-sizing:border-box}
  .detail-actions{display:flex;gap:12px;align-items:center;padding:0}
  /* 悬浮栏快速改状态：小字标签 + 下拉 */
  .dl-act-status{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);white-space:nowrap}
  .dl-act-status select{font-size:13px;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);cursor:pointer}
  .detail-actions .btn{padding:10px 26px;font-size:14px;border-radius:10px;min-width:96px;transition:.15s}
  .detail-actions .btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
  .detail-actions .btn.ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}
  .detail-actions .btn.ghost:hover{background:var(--chip)}
  .dfield input,.dfield select,.dfield textarea{font-size:14px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font-family:inherit;width:100%}
  .dfield textarea{min-height:60px;resize:vertical}
  .related{margin-bottom:16px}
  .related h3{font-size:13px;margin:0 0 6px}
  .rrow{display:flex;align-items:center;gap:8px;padding:6px 8px;border:1px solid var(--line);border-radius:8px;margin-bottom:6px;cursor:pointer;font-size:13px}
  .rrow:hover{background:#fcfdff;border-color:#bcd0f5}
  .rrow.rrow-closed{text-decoration:line-through;color:var(--muted)}
  /* 版本详情：版本范围卡片（左栏顶部）*/
  .scope-text{font-size:13px;line-height:1.7;color:#2b3a4a;white-space:pre-wrap;word-break:break-word;padding:4px 2px}
  /* 关联管理入口按钮（widget 标题右侧）*/
  .rel-manage{margin-left:auto;font-size:12px;font-weight:500;color:#2f6fed;cursor:pointer;user-select:none;padding:2px 10px;border:1px solid #cfe0ff;border-radius:999px;background:#f3f8ff}
  .rel-manage:hover{background:#e6f0ff}
  .rel-empty{font-size:12px;color:var(--muted);padding:8px 2px}
  /* 关联管理弹窗内的多选列表 */
  .rel-modal{width:480px;max-width:92vw}
  .rel-pick-list{max-height:56vh;overflow:auto;margin:4px -4px 12px;padding:0 4px}
  .rel-pick{display:flex;align-items:center;gap:10px;padding:8px 6px;border-radius:8px;cursor:pointer;font-size:13px;border:1px solid transparent}
  .rel-pick:hover{background:#f5f8ff;border-color:#e2ebfb}
  .rel-pick input[type=checkbox]{width:16px;height:16px;flex:0 0 auto;accent-color:#2f6fed;cursor:pointer}
  .rel-pick-code{flex:0 0 auto;font-weight:600;color:#2f6fed}
  .rel-pick-title{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .rel-pick-badge{flex:0 0 auto;display:flex;gap:4px}
  .clickable{cursor:pointer}
  tr.clickable{cursor:pointer}
  tr.clickable:hover td{background:#fcfdff}
  .tl-item.clickable{cursor:pointer}
  .tl-item.clickable:hover::before{box-shadow:0 0 0 3px var(--brand-soft)}
/* 应用市场版本情况 */
.am-tbl th,.am-tbl td{padding:4px 10px}
.am-mk{font-weight:600}
/* 产品详情页关联区三栏布局：左1/4（产品模块+应用市场）、中（关联Bug）、右（关联需求+关联版本） */
  .pd-related-split{display:grid;grid-template-columns:1fr 1.5fr 1.5fr;gap:18px;align-items:start}
  .pd-related-left,.pd-related-mid,.pd-related-right{display:flex;flex-direction:column;gap:18px;min-width:0}
  .pd-related-widget{margin:0}
  .rel-widget-head{display:flex;align-items:center;gap:8px}
  .rel-widget-head .rel-widget-extra{margin-left:auto;font-weight:400;font-size:13px;color:var(--muted)}
  .rel-chk{display:inline-flex;align-items:center;gap:4px;cursor:pointer;user-select:none;white-space:nowrap}
  .rel-chk input{margin:0;cursor:pointer}
  @media(max-width:900px){.pd-related-split{grid-template-columns:1fr}}
.am-cell.am-edit{cursor:pointer}
.am-cell.am-edit:hover{background:var(--brand-soft)}
.am-cell.am-on{text-align:center;cursor:pointer}
.am-chk{display:inline-block;width:18px;height:18px;line-height:16px;text-align:center;border:1px solid #e3e8ef;border-radius:4px;color:#aaa;font-size:13px}
.am-chk.on{background:#2b8a3e;color:#fff;border-color:#2b8a3e}
.am-tip{margin-top:8px;padding:8px 10px;background:#fff8e6;border:1px solid #ffe1a8;border-radius:8px;color:#95610a;font-size:13px;line-height:1.6}
  /* Bug 备注记录 */
  .remark-list{display:flex;flex-direction:column;gap:10px;margin-bottom:14px}
  .remark{background:#fafbfd;border:1px solid var(--line);border-radius:10px;padding:10px 12px}
  .remark:nth-child(odd){background:#f7f9fc}
  .remark-meta{display:flex;align-items:center;gap:10px;margin-bottom:6px}
  .remark-author{font-weight:600;font-size:13px;color:var(--brand)}
  .remark-time{font-size:12px;color:var(--muted)}
  .remark-content{font-size:13.5px;line-height:1.6;white-space:pre-wrap;word-break:break-word}
  .remark-add{display:flex;flex-direction:column;gap:8px;border-top:1px dashed var(--line);padding-top:12px}
  .remark-add textarea{font-size:14px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font-family:inherit;min-height:64px;resize:vertical;width:100%}
  .remark-add-row{display:flex;align-items:center;gap:10px}
  .remark-add-row .ra-label{font-size:12px;color:var(--muted)}
  .remark-add-row select{font-size:14px;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}
  /* Bug 详情两栏布局：左侧主区 3/4，右侧 Bug详情 1/4 */
  .bug-cols{display:flex;gap:16px;align-items:flex-start}
  .bug-col-main{flex:1 1 75%;min-width:0}
  .bug-col-side{flex:0 0 25%;min-width:0}
  @media(max-width:960px){.bug-cols{flex-direction:column}.bug-col-side{flex:1 1 auto;width:100%}}
  /* 右侧 Bug详情 查看态纯文本项：小字字段名 + 正常字体值，项间 #eaeaea 虚线分割 */
  .bside-item{padding:10px 2px}
  .bside-item + .bside-item{border-top:1px dashed #eaeaea}
  .bside-label{font-size:12px;color:var(--muted);margin-bottom:4px}
  .bside-val{font-size:14px;color:var(--ink);font-weight:500;word-break:break-word}
  .bside-link{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;color:var(--brand);text-decoration:none;border-radius:5px;cursor:pointer}
  .bside-link:hover{color:#1d56bf;text-decoration:none}
  .bside-link:focus-visible{outline:2px solid #9dc0ff;outline-offset:2px}
  .bside-link-arrow{flex:0 0 auto;font-size:16px;line-height:1;color:#6d96dc;transition:transform .14s ease}
  .bside-link:hover .bside-link-arrow{transform:translateX(2px)}
  /* 产品资料 */
  .asset-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:0;width:100%}
  #product-assets-widget{width:100%;box-sizing:border-box}
  .asset-form{display:block}
  .asset-grid{flex:0 0 calc(25% - 9px);box-sizing:border-box}
  @media(max-width:600px){.asset-grid{flex:0 0 100%}}
  .asset-card{position:relative;background:#fafbfd;border:1px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;transition:box-shadow .15s,border-color .15s,color .15s;display:flex;gap:12px;align-items:center}
  .asset-card:hover{border-color:var(--brand);box-shadow:0 4px 12px rgba(47,111,237,.18)}
  .asset-card:hover .asset-title{color:var(--brand)}
  .asset-del{position:absolute;top:6px;right:6px;width:22px;height:22px;border:none;background:transparent;border-radius:6px;cursor:pointer;color:var(--muted);font-size:16px;line-height:1;display:flex;align-items:center;justify-content:center;padding:0;z-index:2}
  .asset-del:hover{background:#ffe3e3;color:#e03131}
  .asset-ops{position:absolute;top:6px;right:6px;display:flex;gap:4px;z-index:2}
  .asset-ops .asset-del{position:static}
  .asset-edit-btn{width:22px;height:22px;border:none;background:transparent;border-radius:6px;cursor:pointer;color:var(--muted);font-size:14px;line-height:1;display:flex;align-items:center;justify-content:center;padding:0}
  .asset-edit-btn:hover{background:#e7f0ff;color:#1c7ed6}
  .req-star{color:#e03131;font-weight:600}
  .asset-card.ro{cursor:default}
  .asset-card.ro[data-url]{cursor:pointer}
  .asset-card.ro:hover{box-shadow:0 2px 10px rgba(47,111,237,.12);border-color:var(--brand);color:inherit}
  .asset-card.editing{cursor:default;background:#fff}
  .asset-icon{width:38px;height:38px;border-radius:8px;background:#f0e9fe;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
  .asset-icon.proto{background:#e0f2fe}
  .asset-add{position:relative}
  .asset-add-menu{position:absolute;right:0;top:calc(100% + 6px);z-index:30;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 6px 20px rgba(0,0,0,.10);padding:6px;min-width:176px;display:none}
  .asset-add.open .asset-add-menu{display:block}
  .asset-add-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;cursor:pointer;font-size:13px;color:var(--ink)}
  .asset-add-item:hover{background:#f4f6fb}
  .asset-add-item .asset-icon{width:30px;height:30px}
  .asset-empty{padding:30px 12px;text-align:center;color:var(--muted);font-size:13px}
  .asset-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px;text-align:left}
  .asset-title{font-size:14px;font-weight:600;color:var(--ink);line-height:1.4;word-break:break-all;text-align:left}
  .asset-title .placeholder{color:var(--muted);font-weight:400}
  .asset-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:12px;color:var(--muted);text-align:left;justify-content:flex-start}
  .asset-date{text-align:left}
  .asset-update{color:#2b8a3e;font-weight:500}
  .asset-edit{padding-top:4px}
  .asset-edit .dfield{margin-bottom:10px}
  .asset-edit .dfield label{font-size:12px;margin-bottom:4px}
  .asset-edit .dfield input{font-size:13px;padding:7px 10px}
  .asset-actions{display:flex;gap:8px;flex-wrap:wrap}
  .asset-section{margin-top:4px}
  .asset-sec-title{font-size:13px;font-weight:700;color:var(--ink);margin-bottom:10px}
  .hv-list{display:flex;flex-direction:column;gap:8px}
  .hv-more-wrap{margin-top:10px;padding-top:10px;border-top:1px dashed #eaeaea;display:flex;justify-content:center}
  .hv-row{display:flex;align-items:center;gap:8px;background:#fafbfd;border:1px solid var(--line);border-radius:10px;padding:8px 10px}
  .hv-row.readonly{background:#fff}
  .hv-fields{display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;flex:1;min-width:0}
  .hv-tag{font-size:13px;color:var(--muted);min-width:0}
  .hv-tag i{font-style:normal;color:var(--ink);font-weight:600;margin-right:6px}
  .hv-row .btn{flex:0 0 auto}
  /* 历史版本（数据源=版本频道）：长版本范围独占一行；编辑态仅显示/隐藏勾选 */
  .hv-scope{white-space:pre-wrap;word-break:break-word;line-height:1.6}
  .hv-scope.wide{flex:1 1 100%;padding-top:2px;border-top:1px dashed #ececf1;margin-top:2px}
  .hv-row.edit{align-items:flex-start}
  .hv-row.edit .hv-fields{padding-top:1px}
  .hv-toggle{flex:0 0 auto;display:inline-flex;align-items:center;gap:5px;font-size:12.5px;color:var(--ink);font-weight:600;cursor:pointer;user-select:none;white-space:nowrap}
  .hv-toggle input{width:14px;height:14px;margin:0;accent-color:var(--brand);cursor:pointer;padding:0;border-radius:3px}
  .hv-row.hv-off{background:#f6f7f9;border-style:dashed}
  .hv-row.hv-off .hv-fields{opacity:.5}
  .hv-dl-state{flex:0 0 auto;font-size:12px;color:#9aa1ae;background:#f1f2f5;border-radius:20px;padding:2px 9px;white-space:nowrap}
  .hv-dl-state.on{color:#0f7b4f;background:#e8f6ef}
  .ver-dl-link{color:var(--brand);text-decoration:none;word-break:break-all}
  .ver-dl-link:hover{text-decoration:underline}
  .bside-muted{color:#9aa1ae}
  /* 数据全览图表 */
  .ov-widget .sub{font-weight:400;font-size:11.5px}
  .ov-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
  .ov-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;display:flex;flex-direction:column;gap:10px}
  .ov-card.c-blue{border-top:3px solid #2f6fed}
  .ov-card.c-green{border-top:3px solid #2b8a3e}
  .ov-card.c-red{border-top:3px solid #e03131}
  .ov-title{font-size:15px;font-weight:700;color:var(--ink)}
  .ov-line{display:flex;align-items:baseline;gap:8px}
  .ov-tot{margin-top:2px}
  .ov-big{font-size:34px;font-weight:800;line-height:1;letter-spacing:-1px}
  .ov-card.c-blue .ov-big{color:#2f6fed}
  .ov-card.c-green .ov-big{color:#2b8a3e}
  .ov-card.c-red .ov-big{color:#e03131}
  .ov-cap{font-size:12.5px;color:var(--muted)}
  .ov-sum{font-size:18px;font-weight:700;color:var(--ink)}
  .ov-bar{position:relative;height:10px;border-radius:6px;background:rgba(120,130,150,.16);overflow:hidden}
  .ov-card.c-blue .ov-bar{background:rgba(47,111,237,.16)}
  .ov-card.c-green .ov-bar{background:rgba(43,138,62,.16)}
  .ov-card.c-red .ov-bar{background:rgba(224,49,49,.16)}
  .ov-fill{display:block;height:100%;border-radius:6px;background:#c5ccd8;transition:width .4s ease}
  .ov-card.c-blue .ov-fill{background:#2f6fed}
  .ov-card.c-green .ov-fill{background:#2b8a3e}
  .ov-card.c-red .ov-fill{background:#e03131}
  @media(max-width:760px){.ov-grid{grid-template-columns:1fr}}

/* 详情页严重程度/优先级：浅灰底进度条，等级强度按占宽显示 */
.lvlbar{position:relative;display:inline-block;min-width:84px;height:20px;line-height:20px;padding:0 2px;background:#eceff1;border-radius:10px;overflow:hidden;text-align:center;vertical-align:middle;box-shadow:inset 0 1px 2px rgba(0,0,0,.06)}
.lvlbar .lvlbar-fill{position:absolute;left:0;top:0;bottom:0;border-radius:10px;transition:width .2s}
.lvlbar b{position:relative;z-index:1;font-size:12px;font-weight:600;padding:0 8px;text-shadow:0 0 4px rgba(255,255,255,.8)}
.dform.bug-main-fields{grid-template-columns:repeat(4,minmax(0,1fr))}
.bug-main-fields .lvlbar{height:40px;line-height:40px;border-radius:20px}
.bug-main-fields .lvlbar .lvlbar-fill{border-radius:20px}

/* ==================== 响应式布局（整体媒体查询） ==================== *//* 大屏微调 */
@media(max-width:1200px){
  .wrap{padding-left:16px;padding-right:16px}
  .topbar-in{padding-left:14px;padding-right:14px;gap:14px}
}
/* 中屏：标题/按钮/元信息适度收缩 */
@media(max-width:1024px){
  .dtitle{font-size:17px}
  .detail-actions .btn{padding:9px 18px;min-width:80px;font-size:13.5px}
  .pd-meta{font-size:13px}
}
/* 平板横屏/小笔记本：可换行元素开启换行、两栏过渡 */
@media(max-width:860px){
  .topbar-in{gap:10px}
  nav.tabs{gap:2px}
  nav.tabs button,nav.tabs .tab-link{padding:7px 11px;font-size:13.5px}
  .split .half{min-width:0}
  .pd-head-row{flex-wrap:wrap}
  .hv-row{flex-wrap:wrap}
  .hv-scope{flex:1 1 100%}
  .iter-mgmt-row{flex-wrap:wrap}
  .remark-add-row{flex-wrap:wrap}
  .detail-actions-widget{width:calc(100% - 24px);padding:8px 12px}
}
/* 平板竖屏：宽表格横向滑动、动态信息自动换行 */
@media(max-width:768px){
  table.sheet-tbl{min-width:640px}
  .kanban .kcol{min-width:135px}
  .feed li{white-space:normal}
  .feed .fx{white-space:normal;overflow:visible;text-overflow:clip}
  .dform{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
  .dform.bug-main-fields{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bside-item{padding:8px 2px}
}
/* 手机竖屏：紧凑化 */
@media(max-width:640px){
  .wrap{padding:12px 10px 70px}
  .topbar-in{height:52px;padding:0 10px}
  .top-brand-logo{height:22px;max-width:124px}
  nav.tabs button,nav.tabs .tab-link{padding:6px 9px;font-size:13px}
  .dbstat{display:none}
  .user-chip{padding:4px 8px;font-size:12px}
  .user-chip i{display:none}
  .user-chip .btn.xs{font-size:11px;padding:1px 6px}
  .widget{padding:13px 13px}
  .widget h2{font-size:14px}
  .dtitle{font-size:16px}
  table.tbl th,table.tbl td{padding:5px 6px;font-size:12px}
  table.sheet-tbl th{padding:7px 6px;font-size:12.5px}
  table.sheet-tbl td.cell input,table.sheet-tbl td.cell select,table.sheet-tbl td.cell textarea{padding:6px 6px;font-size:12.5px}
  .sheet-toolbar input.search{min-width:110px}
  .pager{flex-direction:column;align-items:stretch;gap:8px}
  .pager .pg-info{order:2;text-align:center}
  .pager .pg-btns{order:1;justify-content:center}
  .modal{width:calc(100vw - 40px)}
  .del-confirm{width:calc(100vw - 40px);max-width:360px}
  .tree-popover{max-width:calc(100vw - 24px);min-width:0}
  .login-mask{padding:28px 20px}
  .login-stage{width:min(100%,380px)}
  .login-brand{margin-bottom:16px}
  .login-brand-title{font-size:23px}
  .login-brand-logo{height:31px;max-width:min(100%,174px)}
  .login-box{width:100%;padding:22px 20px}
  .login-copyright{margin-top:16px;font-size:11.5px}
  .stat-card{min-width:calc(50% - 8px)}
  .stat-row{gap:10px}
  .detail-actions{flex-wrap:wrap;justify-content:center;width:100%}
  .detail-actions .btn{min-width:0;padding:9px 12px;flex:1 1 auto}
  .dl-act-status{width:100%;justify-content:center;flex-wrap:wrap}
  .detail-actions-widget{width:calc(100% - 16px);padding:7px 10px}
  .feed .ft{font-size:11px}
  .pd-logo{width:46px;height:46px}
  .hv-tag{font-size:12px}
  .hv-fields{gap:4px 10px}
  .ov-big{font-size:28px}
  .ov-grid{gap:12px}
  .asset-card{padding:11px}
  .bside-val{font-size:13px}
  .req-section-title{font-size:13.5px}
  .am-tbl th,.am-tbl td{padding:3px 6px;font-size:12px}
}
/* 超窄屏：顶栏换行（logo 与导航分两行）、详情表单单列 */
@media(max-width:400px){
  .topbar-in{flex-wrap:wrap;height:auto;padding:6px 10px;row-gap:4px}
  nav.tabs{flex:1 1 100%;order:3;padding-bottom:2px}
  .logo{order:1}
  .user-chip{order:2}
  .dform{grid-template-columns:1fr}
  .timeline{padding-left:14px}
  .mnode.m-d1{padding-left:18px}
  .mnode.m-d2{padding-left:34px}
}
/* 需求详情验收标准查看态：无背景框，每行一个圆点（参考管理页「本期迭代设置」时间线圆点样式） */
.acpt-line{position:relative;padding:4px 0 4px 20px;font-size:13.5px;line-height:1.7;color:var(--ink);word-break:break-word}
.acpt-line::before{content:"";position:absolute;left:3px;top:11px;width:9px;height:9px;border-radius:50%;background:var(--brand);border:2px solid #fff;box-shadow:0 0 0 1px var(--line)}
.acpt-empty{color:var(--muted);font-size:13px;padding:4px 0}
/* 验收标准查看态媒体行：图片/视频居中显示、最大宽 360px，与富文本媒体一致，点击可大屏查看/播放 */
.acpt-media{margin:8px 0;text-align:center}
.acpt-media img{max-width:360px;max-height:480px;border:1px solid var(--line);border-radius:6px;cursor:zoom-in;display:inline-block}
.acpt-media video{max-width:360px;border-radius:6px;background:#000;display:inline-block}
.acpt-media .rte-video-wrap{margin:0 auto}
/* ===== 测试用例详情左侧：按步骤执行表格 ===== */
.tc-steps-block{display:flex;flex-direction:column;gap:8px}
.tc-steps-block>label{display:block;font-size:13px;color:var(--muted);margin-bottom:2px;font-weight:500}
.tc-steps-block .tc-step-count{color:var(--muted);font-weight:400;font-size:12.5px}
.tc-steps-tbl{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:13px}
.tc-steps-tbl thead th{background:#f4f6fa;color:var(--muted);font-weight:500;font-size:12.5px;text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
.tc-steps-tbl thead th.th-no{width:46px;text-align:center}
.tc-steps-tbl thead th.th-op{width:62px;text-align:center}
.tc-steps-tbl tbody td{padding:7px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
.tc-steps-tbl tbody tr:last-child td{border-bottom:0}
.tc-steps-tbl .tc-step-no{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 6px;border-radius:11px;background:var(--chip);color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums;font-weight:500}
.tc-steps-tbl textarea{width:100%;border:1px solid var(--line);border-radius:6px;padding:5px 7px;font-family:inherit;font-size:13px;line-height:1.55;background:#fff;color:var(--ink);resize:vertical;min-height:34px}
.tc-steps-tbl textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(47,111,237,.12)}
.tc-steps-tbl .tc-step-op{text-align:center;white-space:nowrap}
.tc-steps-tbl .tc-step-op button{background:transparent;border:1px solid transparent;color:var(--muted);font-size:13px;width:24px;height:24px;border-radius:6px;cursor:pointer;line-height:1;padding:0}
.tc-steps-tbl .tc-step-op button:hover{background:var(--chip);color:var(--ink)}
.tc-steps-tbl .tc-step-op .tc-step-del:hover{background:#fff0f0;color:var(--danger);border-color:#ffd1d1}
.tc-add-step{display:inline-flex;align-items:center;justify-content:center;width:100%;padding:10px;border:1px dashed #cfd6e2;border-radius:10px;background:transparent;color:var(--brand);font-size:13px;cursor:pointer;font-family:inherit;font-weight:500}
.tc-add-step:hover{background:#f7fbff;border-color:var(--brand)}
.tc-add-step .plus{margin-right:6px;font-size:14px;font-weight:600;line-height:1}
.tc-steps-tbl thead th.th-act{width:120px}
.tc-steps-tbl thead th.th-step-result{width:130px}
.tc-act-cell textarea{min-height:30px}
.tc-outcome-cell{text-align:center;white-space:nowrap}
.tc-outcome-sel{border:1px solid var(--line);border-radius:6px;padding:4px 8px;font-size:12.5px;background:#fff;color:var(--muted);cursor:pointer;font-family:inherit;min-width:88px}
.tc-outcome-sel:focus{outline:none;border-color:var(--brand)}
.tc-outcome-sel.o-pass{background:#e6f7eb;color:#1f7a35;border-color:#a5dab1}
.tc-outcome-sel.o-fail{background:#fde8e8;color:#a01818;border-color:#ffb6b6}
.tc-outcome-sel.o-block{background:#fff1e0;color:#a04a0a;border-color:#ffd0a3}
.tc-outcome-sel.o-skip{background:#eef2f7;color:#6b7785;border-color:#d6dde6}
.tc-step-empty{padding:14px;text-align:center;color:var(--muted);font-size:13px;background:#fafbfd;border:1px dashed var(--line);border-radius:10px}
/* 展示态：实际结果 textarea 与步骤执行结果 select 均可编辑（与编辑态一致），切换/输入即时写回 + 上色 */
/* 展示态「实际结果」块：失败/阻塞时显示在预期结果下方，标红 */
.tc-actual-below{margin-top:6px;color:var(--danger);font-size:12.5px;line-height:1.6;word-break:break-word}
.tc-actual-label{font-weight:600}
.tc-actual-empty{opacity:.85}
/* 左栏独立区域分隔感：卡片间已有 16px 间距，标题与内容再加一点呼吸空间 */
.tc-steps-block{margin:0}

/* 聚焦行在首列左侧显示 2px 内侧标记，不改变列宽或覆盖状态底色。 */
table.sheet-tbl > tbody > tr:focus-within > td:first-child{box-shadow:inset 2px 0 0 var(--brand)}

/* 编辑框仅聚焦时使用菜单主色；内描边不改变表格尺寸。 */
:is(input:not([type]),input[type=text],input[type=search],input[type=password],input[type=email],input[type=url],input[type=tel],input[type=number],input[type=date],input[type=datetime-local],input[type=time],textarea):not(:disabled):not([readonly]):focus,
[contenteditable="true"]:not([aria-disabled="true"]):focus,
table.sheet-tbl td.cell :is(input,textarea,[contenteditable="true"]):not(:disabled):not([readonly]):not([type=checkbox]):not([type=radio]):not([aria-disabled="true"]):focus{
  border-color:var(--brand);outline:2px solid var(--brand);outline-offset:-2px;box-shadow:none;
}