:root { --bg:#f4f6fa; --card:#ffffff; --card2:#eef1f7; --fg:#222838; --dim:#6a7180; --accent:#3a6de0; --ok:#1f9d55; --warn:#d97706; --err:#dc2626; }
  * { box-sizing:border-box; margin:0; padding:0; }
  body { background:var(--bg); color:var(--fg); font-family:"Segoe UI","Microsoft YaHei",sans-serif; padding:24px; }
  @media(max-width:600px){ body { padding:10px; } }
  h1 { font-size:22px; margin-bottom:4px; display:inline-block; }
  h4 { font-size:13px; color:var(--dim); margin:2px 0 6px; }
  .subinfo { color:var(--dim); font-size:13px; margin-left:auto; white-space:nowrap; }
  .subinfo b { color:var(--fg); }
  .grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:14px; }
  .card { background:var(--card); border-radius:12px; padding:16px; border:1px solid #e4e8f2; box-shadow:0 1px 3px rgba(20,30,60,.05); }
  .card h3 { font-size:13px; color:var(--dim); font-weight:600; margin-bottom:10px; }
  .value { font-size:26px; font-weight:700; }
  .tag { display:inline-block; padding:3px 10px; border-radius:999px; font-size:12px; margin-left:8px; vertical-align:middle; }
  .tag.run { background:#e2f5ea; color:var(--ok); }
  .tag.idle { background:#eef1f6; color:var(--dim); }
  .bar { height:10px; background:#e6eaf4; border-radius:999px; overflow:hidden; margin-top:10px; }
  .bar>div { height:100%; background:linear-gradient(90deg,#3a6de0,#37d67a); width:0%; transition:width .4s; }
  .bar2 { height:7px; border-radius:8px; background:#e6eaf4; margin:3px 0; overflow:hidden; }
  .bar2>div { height:100%; background:var(--accent); }
  .row { display:flex; gap:8px; flex-wrap:wrap; align-items:center; }
  button { background:var(--accent); color:#fff; border:0; padding:8px 18px; border-radius:8px; font-size:14px; cursor:pointer; }
  button:hover { filter:brightness(1.08); }
  button.stop { background:var(--err); }
  button.ghost { background:var(--card2); border:1px solid #d4dae8; color:var(--fg); }
  button.mini { font-size:12px; padding:4px 10px; }
  button:disabled { opacity:.45; cursor:not-allowed; }
  select,input[type=number],input[type=text],input[type=password],input[type=time] { background:#fff; color:var(--fg); border:1px solid #cfd6e6; border-radius:8px; padding:7px 9px; font-size:13px; }
  .logbox { background:#f7f9fc; border:1px solid #e2e7f2; border-radius:10px; padding:12px; font:12px/1.6 Consolas,monospace; color:#14532d; white-space:pre-wrap; overflow:auto; height:380px; }
  .filelist { font-size:12px; color:var(--dim); }
  .filelist li { list-style:none; padding:4px 0; border-bottom:1px solid #eef0f6; }
  .filelist .sz { float:right; color:var(--accent); }
  .logsrow { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:8px; }
  .logbtn { background:#fff; border:1px solid #d4dae8; color:var(--dim); font-size:11px; padding:3px 8px; border-radius:6px; cursor:pointer; }
  .logbtn.active { color:var(--ok); border-color:var(--ok); }
  .dim { color:var(--dim); font-size:12px; }
  .hint { color:var(--warn); font-size:12px; margin-top:6px; }
  .ok { color:var(--ok); }
  .err { color:var(--err); }
  .catwrap { max-height:150px; overflow:auto; background:var(--card2); border:1px solid #2b3160; border-radius:8px; padding:8px; font-size:13px; }
  .catwrap label { display:block; padding:2px 4px; cursor:pointer; }
  .catwrap label:hover { background:#eef2fa; }
  .badge { font-size:11px; color:var(--dim); }
  .topbar { display:flex; align-items:center; gap:12px; margin-bottom:20px; flex-wrap:wrap; }
  @media(max-width:820px){
    .topbar { gap:8px; }
    .tabs { margin-left:0; }
  }
  @media(max-width:600px){
    .topbar { flex-direction:column; align-items:stretch; }
    .tb-left { flex-wrap:nowrap; }
    .topbar .libtoolbar .search-row { width:100%; }
    .topbar .libtoolbar .search-row input[type=text] { font-size:15px; padding:10px 12px; }
    .topbar .libtoolbar .search-row button { padding:10px 16px; }
    .tabs { justify-content:flex-start; overflow-x:auto; flex-wrap:nowrap; }
    .tab { padding:7px 14px; font-size:13px; }
  }
  .tofront { margin-left:auto; text-decoration:none; }
  /* ============ 前台/发布合并（iframe 嵌入） ============ */
  .merge-frame { width:100%; height:calc(100vh - 150px); min-height:520px; border:0; border-radius:12px; background:#fff; box-shadow:0 1px 3px rgba(20,30,60,.05); }
  .pane-flat { padding:0; }
  table { width:100%; border-collapse:collapse; font-size:12.5px; }
  th,td { padding:6px 8px; border-bottom:1px solid #eef2f8; text-align:left; vertical-align:top; }
  th { color:var(--dim); font-weight:600; background:#f7f9fc; white-space:nowrap; }
  .scroll { overflow:auto; max-height:300px; }
  .formrow { display:flex; gap:8px; flex-wrap:wrap; align-items:center; margin-bottom:9px; }
  .lbl { display:inline-flex; align-items:center; gap:6px; font-size:12px; color:var(--dim); white-space:nowrap; }
  .lbl input, .lbl select { padding:5px 7px; font-size:12px; }
  .light { font-weight:600; color:var(--accent); }
  code { background:#eef1f7; border-radius:4px; padding:1px 5px; font-size:11.5px; }
  .stack { display:grid; gap:14px; margin-top:14px; }
  .modal { position:fixed; inset:0; background:rgba(20,30,60,.45); display:none; align-items:center; justify-content:center; z-index:50; }
  .modal.open { display:flex; }
  .modal-card { background:#fff; border-radius:12px; padding:18px; width:min(780px,94vw); max-height:88vh; display:flex; flex-direction:column; gap:10px; box-shadow:0 8px 30px rgba(0,0,0,.2); }
  .modal-card textarea { flex:1; min-height:46vh; font:12px/1.6 Consolas,monospace; border:1px solid #cfd6e6; border-radius:8px; padding:10px; }
  .modal-head { display:flex; align-items:center; gap:10px; }
  .modal-head .t { font-size:15px; font-weight:600; }
  .modal-head .sp { margin-left:auto; }

  /* ============ 页签菜单栏 ============ */
  .tabs { display:flex; gap:6px; background:#e7ebf5; padding:4px; border-radius:11px; margin-left:16px; flex-wrap:wrap; }
  .tab { background:transparent; color:var(--dim); border:0; padding:7px 20px; border-radius:8px;
         font-size:14px; cursor:pointer; transition:all .15s; }
  .tab:hover { color:var(--fg); filter:none; }
  .tab.active { background:#fff; color:var(--accent); font-weight:600; box-shadow:0 1px 4px rgba(20,30,60,.1); }
  /* ============ 顶部书库工具条（搜索栏居中） ============ */
  .tb-left { display:flex; align-items:center; gap:12px; flex:none; flex-wrap:wrap; }
  .topbar .libtoolbar { display:flex; align-items:center; justify-content:center; flex:1 1 auto; min-width:0; }
  .topbar .libtoolbar .search-row { display:flex; gap:8px; align-items:center; width:min(560px,100%); }
  .topbar .libtoolbar .search-row input[type=text] { flex:1; padding:10px 14px; font-size:14px; border:1px solid var(--bor); border-radius:10px; outline:none; background:#fff; color:var(--fg); }
  .topbar .libtoolbar .search-row input[type=text]:focus { border-color:var(--acc); }
  .topbar .libtoolbar .search-row button { padding:10px 18px; font-size:13.5px; border:0; border-radius:10px; background:var(--acc); color:#000; cursor:pointer; }
  .topnav { display:flex; align-items:center; gap:10px; margin-left:0; flex-wrap:nowrap; }
  .topnav .toplink {
    color:#fff; text-decoration:none; font-size:13.5px; font-weight:700; letter-spacing:.5px; white-space:nowrap;
    padding:7px 16px; border-radius:10px; border:0;
    background:linear-gradient(180deg,#3b82f6 0%,#2563eb 55%,#1d4ed8 100%);
    box-shadow:0 3px 0 #1e3a8a, 0 5px 10px rgba(37,99,235,.35);
    transform:translateY(0); transition:transform .12s, box-shadow .12s, filter .12s;
    text-shadow:0 1px 1px rgba(0,0,0,.18);
  }
  .topnav .toplink:hover { text-decoration:none; filter:brightness(1.08); transform:translateY(-1px); box-shadow:0 4px 0 #1e3a8a, 0 7px 14px rgba(37,99,235,.4); }
  .topnav .toplink:active { transform:translateY(3px); box-shadow:0 0 0 #1e3a8a, 0 2px 5px rgba(37,99,235,.3); }
  @media(max-width:600px){
    .topnav { width:auto; justify-content:flex-start; margin-left:0; }
  }
  .panel { display:none; }
  .panel.active { display:block; }

  /* ============ AI 管理子页签 ============ */
  .subtabs { display:flex; gap:4px; margin-bottom:12px; flex-wrap:wrap; }
  .sbt { background:var(--card2); color:var(--dim); border:1px solid #d4dae8; padding:4px 14px; border-radius:8px;
         font-size:12px; cursor:pointer; transition:all .15s; }
  .sbt:hover { color:var(--fg); filter:none; }
  .sbt.active { background:#fff; color:var(--accent); font-weight:600; border-color:var(--accent); box-shadow:0 1px 3px rgba(20,30,60,.1); }
  .sstab { display:none; }
  .sstab.active { display:block; }

  /* ============ 下载页子页签（tag 导航） ============ */
  .dl-subtab { display:flex; gap:6px; flex-wrap:wrap; margin-bottom:14px; }
  .dlst { background:var(--card2); color:var(--dim); border:1px solid #d4dae8; padding:8px 20px; border-radius:999px;
          font-size:13.5px; cursor:pointer; transition:all .15s; }
  .dlst:hover { color:var(--fg); filter:none; }
  .dlst.active { background:#fff; color:var(--accent); font-weight:600; border-color:var(--accent); box-shadow:0 1px 4px rgba(20,30,60,.12); }
  .dlpanel { display:none; }
  .dlpanel.active { display:block; }

  /* ============ 表单化编辑 ============ */
  .fcard { border:1px solid #e4e8f2; border-radius:10px; padding:10px 12px; margin-bottom:10px; background:#fbfcff; }
  .fcard h5 { font-size:12px; color:var(--dim); font-weight:600; margin-bottom:8px; }
  .frow { margin-bottom:9px; }
  .frow > label { display:block; font-size:12px; color:var(--dim); margin-bottom:4px; }
  .frow input[type=text], .frow select { width:100%; }
  .frow textarea { width:100%; font:13px/1.55 "Microsoft YaHei",sans-serif; }
  .fmhint { font-size:11px; color:#9aa3b2; margin-top:3px; }
  .frow textarea.long { min-height:170px; }
  .frow textarea.mid { min-height:110px; }

  /* ============ 维护工具（下载页） ============ */
  .lib-maint { --acc:#3a6de0; --acc2:#5b8bff; --bor:#e6e9f2; --hover:#eef2ff; margin-top:26px; border:1px solid var(--bor); border-radius:14px; background:#fbfcff; box-shadow:0 2px 10px rgba(30,60,140,.04); overflow:hidden; }
  .lib-maint summary { cursor:pointer; list-style:none; display:flex; align-items:center; gap:9px; font-size:13.5px; font-weight:600; color:var(--fg); padding:14px 18px; user-select:none; background:linear-gradient(180deg,#fdfdff,#f3f5fb); }
  .lib-maint summary::-webkit-details-marker { display:none; }
  .lib-maint summary:hover { color:var(--acc); }
  .lib-maint summary .mt-icon { font-size:15px; }
  .lib-maint summary .mtag { font-size:11.5px; font-weight:500; color:var(--dim); background:#fff; border:1px solid var(--bor); border-radius:999px; padding:2px 10px; }
  .lib-maint summary::after { content:'▾'; margin-left:auto; color:var(--dim); font-size:13px; transition:transform .2s; }
  .lib-maint[open] summary::after { transform:rotate(180deg); }
  .lib-maint-body { padding:16px 18px 18px; }
  .lib-maint .grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:14px; }
  .lib-maint .card { background:#fff; border:1px solid var(--bor); border-radius:12px; padding:16px; box-shadow:0 1px 3px rgba(20,30,60,.04); }
  .lib-maint .card h3 { font-size:13px; color:var(--dim); font-weight:600; margin-bottom:12px; display:flex; align-items:center; gap:8px; }
  .lib-maint .card h3::before { content:''; width:3px; height:14px; background:var(--acc); border-radius:2px; }
  .lib-maint .stat-line { display:flex; align-items:baseline; gap:6px; margin-bottom:6px; }
  .lib-maint .value { font-size:26px; font-weight:700; color:var(--fg); }
  .lib-maint .dim { font-size:12.5px; color:var(--dim); }
  .lib-maint #idxHint { min-height:18px; font-size:12.5px; color:var(--dim); margin-bottom:2px; }
  .lib-maint .btn-row { display:flex; gap:8px; flex-wrap:wrap; margin-top:10px; }
  .lib-maint .btn-row button { padding:8px 16px; font-size:13px; border:1px solid var(--acc); border-radius:8px; background:#fff; color:var(--acc); cursor:pointer; }
  .lib-maint .btn-row button.ghost { border-color:var(--bor); color:var(--fg); background:#fff; }
  .lib-maint .btn-row button:hover { border-color:var(--acc); color:#fff; background:var(--acc); }
  .lib-maint .btn-row button.ghost:hover { background:var(--hover); color:var(--acc); border-color:var(--acc); }
  .lib-maint .m-search-row { display:flex; gap:8px; margin-bottom:10px; }
  .lib-maint .m-search-row input { flex:1; padding:9px 12px; font-size:13.5px; border:1px solid var(--bor); border-radius:8px; outline:none; background:#fff; color:var(--fg); }
  .lib-maint .m-search-row input:focus { border-color:var(--acc); }
  .lib-maint .m-search-row button { padding:8px 18px; font-size:13px; border:0; border-radius:8px; background:var(--acc); color:#fff; cursor:pointer; }
  .lib-maint .m-tools { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:12px; }
  .lib-maint .m-tools button { padding:7px 14px; font-size:12.5px; border:1px solid var(--bor); border-radius:8px; background:#fff; color:var(--dim); cursor:pointer; }
  .lib-maint .m-tools button:hover { border-color:var(--acc); color:var(--acc); background:var(--hover); }
  .lib-maint .scroll { max-height:340px; overflow:auto; border:1px solid var(--bor); border-radius:10px; }
  .lib-maint .scroll table { width:100%; border-collapse:collapse; font-size:12.5px; }
  .lib-maint .scroll th, .lib-maint .scroll td { padding:8px 10px; text-align:left; border-bottom:1px solid var(--bor); vertical-align:top; }
  .lib-maint .scroll th { color:var(--dim); font-weight:600; background:#f6f8fc; position:sticky; top:0; }
  .lib-maint .scroll tr:hover td { background:#fafbff; }
  .lib-maint .scroll .mini { padding:4px 10px; font-size:11.5px; border:1px solid var(--bor); border-radius:6px; background:#fff; color:var(--dim); cursor:pointer; }
  .lib-maint .scroll .mini:hover { border-color:var(--acc); color:var(--acc); }
  .lib-maint .scroll .stop { border-color:#f0c9c9; color:var(--err); }
  .lib-maint .hint { font-size:12px; color:var(--dim); margin-top:10px; padding:8px 10px; border-radius:8px; background:#f6f8fc; border:1px solid var(--bor); }
  .lib-maint .hint.ok { color:var(--ok); background:#f0faf2; border-color:#c6e6cd; }
  .lib-maint .hint.err { color:var(--err); background:#fdf0f0; border-color:#f3c6c6; }
  .lib-maint .ok { color:var(--ok); } .lib-maint .err { color:var(--err); }
  .lib-maint .stats-card { margin-top:14px; }
  .lib-maint .stats-card #st_body h4 { font-size:12.5px; color:var(--dim); margin:14px 0 8px; }
  .lib-maint .stats-card #st_body .bar2 { height:8px; background:#eef1f8; border-radius:6px; overflow:hidden; }
  .lib-maint .stats-card #st_body .bar2>div { height:100%; background:linear-gradient(90deg,var(--acc),var(--acc2)); border-radius:6px; }
  @media(max-width:720px){ .lib-maint-body { padding:12px 12px 14px; } }

  /* ============ 富文本编辑器 ============ */
  .rtoolbar { display:flex; align-items:center; gap:3px; flex-wrap:wrap; border:1px solid #d4dae8; border-bottom:0;
              border-radius:10px 10px 0 0; background:#f6f8fc; padding:6px 8px; position:sticky; top:0; z-index:5; }
  .rtoolbar button, .rtoolbar select {
    background:#fff; border:1px solid #dfe4ee; color:var(--fg); min-width:30px; height:28px; padding:0 8px;
    border-radius:6px; font-size:13px; cursor:pointer; line-height:1; white-space:nowrap;
  }
  .rtoolbar button:hover { border-color:var(--acc); color:var(--acc); background:#fff; }
  .rtoolbar button.on { background:var(--acc); border-color:var(--acc); color:#fff; }
  .rtoolbar select { height:28px; padding:0 4px; }
  .rtoolbar .sep { width:1px; height:20px; background:#d4dae8; margin:0 4px; }
  .rtoolbar .rt-view { margin-left:auto; display:flex; gap:3px; }
  .rtoolbar .rt-view button { border-color:transparent; background:transparent; font-size:12px; color:var(--dim); }
  .rtoolbar .rt-view button.on { color:var(--acc); background:#eef3fd; }
  .rbody { border:1px solid #d4dae8; border-radius:0 0 10px 10px; height:280px; }
  .rbody[data-mode="edit"] .r-edit, .rbody[data-mode="html"] .r-src { display:block; }
  .r-edit { display:none; overflow:auto; height:100%; padding:12px 14px; font:14px/1.7 inherit; background:#fff; outline:none; color:var(--fg); word-break:break-word; }
  .r-src { display:none; width:100%; height:100%; border:0; outline:none; resize:none; padding:12px 14px;
           font:12.5px/1.6 Consolas,monospace; background:#fbfcfe; color:#333; box-sizing:border-box; }
  .r-edit:empty::before { content:attr(data-ph); color:#9aa3b5; pointer-events:none; }
  .r-edit h1,.r-edit h2,.r-edit h3,.r-edit h4,.r-edit h5,.r-edit h6 { margin:8px 0 4px; line-height:1.4; }
  .r-body-sm .rbody { height:200px; }
  @media(max-width:600px){ .rtoolbar { position:static; } }