:root{
  --bg:#f5f6f8; --card:#fff; --text:#1d2330; --muted:#6b7385; --line:#e3e6ec;
  --brand:#1f5fd1; --brand-d:#1649a3; --danger:#c0392b; --ok:#1e8e4f; --warn:#b26a00;
  --radius:10px;
}
@media (prefers-color-scheme: dark){
  :root{--bg:#14171c; --card:#1c2027; --text:#e6e9ef; --muted:#98a1b3; --line:#2b313b; --brand:#5b94f5; --brand-d:#7aa9f7;}
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font:15px/1.6 -apple-system,"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Segoe UI,sans-serif}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
header.top{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
header.top .in{max-width:1200px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
header.top .logo{font-weight:700;font-size:17px;color:var(--text)}
header.top nav{display:flex;gap:14px;flex:1;flex-wrap:wrap}
header.top .who{color:var(--muted);font-size:13px;display:flex;gap:10px;align-items:center}
main{max-width:1200px;margin:0 auto;padding:22px 20px 60px}
h1{font-size:22px;margin:0 0 6px} h2{font-size:17px;margin:26px 0 10px}
.sub{color:var(--muted);margin:0 0 18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px}
.skill{display:block;color:var(--text);transition:.15s}
.skill:hover{border-color:var(--brand);text-decoration:none;transform:translateY(-1px)}
.skill b{display:block;font-size:16px;margin-bottom:4px}
.skill p{margin:0;color:var(--muted);font-size:13.5px}
.tag{display:inline-block;font-size:12px;padding:1px 8px;border-radius:99px;background:var(--bg);color:var(--muted);border:1px solid var(--line);margin-right:4px}
.tag.off{color:var(--danger);border-color:var(--danger)}
.tag.sql{color:var(--brand);border-color:var(--brand)}
label{display:block;font-weight:600;margin:14px 0 4px;font-size:14px}
label small{font-weight:400;color:var(--muted)}
input[type=text],input[type=password],input[type=search],select,textarea{
  width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:7px;background:var(--card);color:var(--text);font:inherit}
textarea{font-family:Consolas,Menlo,monospace;font-size:13px;line-height:1.5;min-height:140px}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--brand) 40%,transparent);border-color:var(--brand)}
button,.btn{display:inline-block;padding:8px 16px;border-radius:7px;border:1px solid var(--brand);background:var(--brand);color:#fff;font:inherit;cursor:pointer}
button:hover,.btn:hover{background:var(--brand-d);text-decoration:none}
button.ghost,.btn.ghost{background:transparent;color:var(--brand)}
button.ghost:hover,.btn.ghost:hover{background:var(--bg)}
button.danger{background:var(--danger);border-color:var(--danger)}
button.sm,.btn.sm{padding:3px 10px;font-size:13px}
.flash{background:#fff7e0;border:1px solid #f0d98a;color:#6b4e00;padding:10px 14px;border-radius:8px;margin-bottom:14px}
@media (prefers-color-scheme: dark){.flash{background:#3a3115;border-color:#6b5a1f;color:#f1dc9b}}
.err{color:var(--danger)} .okc{color:var(--ok)} .muted{color:var(--muted)}
table.t{width:100%;border-collapse:collapse;font-size:14px}
table.t th,table.t td{padding:7px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.t th{background:var(--bg);font-weight:600;white-space:nowrap;position:sticky;top:0}
table.t td.num,table.t th.num{text-align:right;font-variant-numeric:tabular-nums}
table.t tbody tr:hover{background:color-mix(in srgb,var(--brand) 6%,transparent)}
.scroll{overflow:auto;max-height:68vh;border:1px solid var(--line);border-radius:8px;background:var(--card)}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:10px 0}
.toolbar input[type=search]{max-width:260px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-top:14px}
.tabs button{background:transparent;color:var(--muted);border:0;border-bottom:2px solid transparent;border-radius:0;padding:8px 14px}
.tabs button.on{color:var(--brand);border-bottom-color:var(--brand)}
pre.json{margin:0;padding:14px;overflow:auto;max-height:68vh;background:var(--card);border:1px solid var(--line);border-radius:8px;font:13px/1.5 Consolas,Menlo,monospace}
.params{display:flex;gap:14px;flex-wrap:wrap;align-items:flex-end}
.params div{min-width:180px}
.params label{margin-top:0}
.pager{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--muted);margin:8px 0}
.loginbox{max-width:380px;margin:9vh auto}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.inline{display:inline}
.checks{display:flex;gap:6px 18px;flex-wrap:wrap;margin-top:6px}
.checks label{font-weight:400;margin:0;display:flex;gap:6px;align-items:center}
.warnbox{border-left:4px solid var(--warn);background:var(--card);padding:10px 14px;border-radius:6px;margin:10px 0;font-size:14px}
code{font-family:Consolas,Menlo,monospace;font-size:13px;background:var(--bg);padding:1px 5px;border-radius:4px}
.sec-title{display:flex;justify-content:space-between;align-items:center;margin-top:22px}
@media (max-width:640px){main{padding:16px 12px 50px}header.top .in{padding:8px 12px}}

.cathead{margin:22px 0 8px;font-size:16px}
.cathead-row td{background:#f1f5f9;padding:8px 12px}
@media (prefers-color-scheme: dark){.cathead-row td{background:#1e293b}}

/* 资源管理器 */
.ex{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);overflow:hidden;display:flex;flex-direction:column}
.ex-bar{display:flex;align-items:center;gap:6px;padding:6px 8px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.ex-cmds{background:var(--bg)}
.exb{font:inherit;font-size:13px;padding:4px 10px;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--text);cursor:pointer;text-decoration:none;display:inline-block}
.exb:hover:not(:disabled){background:var(--line);text-decoration:none}
.exb:disabled{opacity:.4;cursor:default}
.exb.on{background:var(--line);border-color:var(--line)}
.exb.danger{background:transparent !important;color:var(--danger) !important;border-color:transparent !important}
.exb.danger:hover:not(:disabled){background:var(--line) !important}
.exb-grp{display:inline-flex;gap:2px}
.ex-addr{flex:1;min-width:160px;display:flex;align-items:center;flex-wrap:wrap;border:1px solid var(--line);border-radius:6px;padding:3px 6px;background:var(--card);font-size:13.5px}
.crumb{padding:2px 6px;border-radius:4px;cursor:pointer}
.crumb:hover{background:var(--line)}
.sep{color:var(--muted)}
.ex-bar .ex-search{width:210px;flex:none;padding:5px 8px;font-size:13px}
.ex-body{display:flex;height:calc(100vh - 290px);min-height:380px}
.ex-tree{width:230px;flex:none;border-right:1px solid var(--line);overflow:auto;padding:6px 0;background:var(--card);font-size:13.5px}
.tn{display:flex;align-items:center;gap:2px;padding:4px 8px;cursor:pointer;white-space:nowrap}
.tn:hover{background:var(--bg)}
.tn.cur{background:rgba(31,95,209,.15);font-weight:600}
.tc{display:inline-block;width:14px;color:var(--muted);text-align:center}
.ex-main{flex:1;overflow:auto;outline:none;padding:0}
.ex-empty{color:var(--muted);text-align:center;padding:50px 10px}
table.ex-t{width:100%;border-collapse:collapse;font-size:13.5px}
.ex-t th{position:sticky;top:0;background:var(--bg);text-align:left;font-weight:600;padding:6px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
.ex-t td{padding:6px 10px;border-bottom:1px solid var(--line);white-space:nowrap;user-select:none}
.ex-t td.nm{max-width:360px;overflow:hidden;text-overflow:ellipsis}
.ex-t td.num{text-align:right}
.ic{margin-right:6px}
.it{cursor:default}
.it:hover{background:var(--bg)}
.it.sel,.ex-t tr.sel{background:rgba(31,95,209,.18) !important}
.it.off{opacity:.55}
.ex-icons{display:flex;flex-wrap:wrap;gap:6px;padding:10px}
.it.big{width:112px;padding:8px 4px;text-align:center;border-radius:8px;border:1px solid transparent;user-select:none}
.bigic{font-size:40px;line-height:1.2}
.bigname{font-size:13px;word-break:break-all;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ex-status{padding:5px 12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);background:var(--bg)}
.dragging{opacity:.4}
.over{outline:2px dashed var(--brand);outline-offset:-2px;background:rgba(31,95,209,.12) !important}
.ex-t tr.ins-before td{box-shadow:inset 0 3px 0 var(--brand)}
.ex-t tr.ins-after td{box-shadow:inset 0 -3px 0 var(--brand)}
.it.big.ins-before{box-shadow:-3px 0 0 var(--brand)}
.it.big.ins-after{box-shadow:3px 0 0 var(--brand)}
.ex-menu{position:absolute;z-index:50;min-width:150px;background:var(--card);border:1px solid var(--line);border-radius:8px;box-shadow:0 6px 24px rgba(0,0,0,.18);padding:4px 0;font-size:13.5px}
.mi{padding:6px 16px;cursor:pointer}
.mi:hover{background:var(--bg)}
.mi.danger{color:var(--danger)}
.ms{height:1px;background:var(--line);margin:4px 0}
@media (max-width:700px){.ex-tree{display:none}.ex-body{height:auto;min-height:300px}.ex-t td.nm{max-width:180px}}

/* 协作话题 */
.badge{display:inline-block;background:#d93025;color:#fff;border-radius:99px;font-size:12px;padding:0 7px;line-height:18px}
.trow{display:flex;justify-content:space-between;gap:10px;padding:12px 16px;border-bottom:1px solid #e3e6ec;color:inherit}
.trow:last-child{border-bottom:0}.trow:hover{background:rgba(127,127,127,.08);text-decoration:none}
.tmain{min-width:0}.tlast{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:70vw}.tat{font-size:12.5px;white-space:nowrap}
.chat{padding:0;display:flex;flex-direction:column}
.msgs{height:calc(100vh - 430px);min-height:260px;overflow:auto;padding:12px 14px}
.m{margin:0 0 12px;max-width:760px}
.m .mh{font-size:13px;margin-bottom:2px}.m .mh .del{margin-left:10px;font-size:12px;color:#d93025;visibility:hidden}
.m:hover .del{visibility:visible}
.m .mb{white-space:pre-wrap;word-break:break-word;background:rgba(127,127,127,.12);display:inline-block;padding:7px 11px;border-radius:10px}
.m.mine .mb{background:rgba(31,95,209,.16)}
.mimgs{display:flex;flex-wrap:wrap;gap:6px;margin-top:5px}
.mimgs img{max-width:220px;max-height:220px;border-radius:8px;border:1px solid #e3e6ec;cursor:zoom-in;object-fit:cover}
.compose{border-top:1px solid #e3e6ec;padding:10px 12px}
.compose textarea{min-height:64px;resize:vertical}
.cbar{display:flex;gap:8px;align-items:center;margin-top:8px;flex-wrap:wrap}.cbar select{width:auto}
.thumbs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:6px}
.th{position:relative;display:inline-block}.th img{height:64px;border-radius:6px;border:1px solid #e3e6ec}
.th .x{position:absolute;top:-6px;right:-6px;background:#333;color:#fff;border-radius:50%;width:18px;height:18px;text-align:center;line-height:17px;font-size:13px;text-decoration:none}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.82);z-index:99;align-items:center;justify-content:center;cursor:zoom-out}
.lightbox img{max-width:94vw;max-height:94vh}
@media (max-width:700px){.msgs{height:calc(100vh - 470px)}.mimgs img{max-width:150px;max-height:150px}}

.taskchk{font-size:13px;font-weight:400;display:inline-flex;gap:4px;align-items:center;margin:0}
.task{margin-top:6px;padding:7px 10px;border-radius:8px;border:1px solid #e3e6ec;display:flex;gap:8px;align-items:center;flex-wrap:wrap;max-width:520px}
.task.st-open{border-color:#e0a100;background:rgba(224,161,0,.1)}.task.st-claimed{border-color:#1f5fd1;background:rgba(31,95,209,.08)}.task.st-done{border-color:#188038;background:rgba(24,128,56,.08)}
.task .tl{flex:1;font-size:13px}

.langbar{text-align:center;font-size:13px;padding:18px 0 26px;color:#6b7280}.langbar a{color:inherit}