:root{
  --bg:#f4f6f9; --panel:#fff; --line:#e3e8ef; --line2:#eef1f5; --text:#1b2533; --sub:#5b6778; --mute:#8b96a6;
  --pri:#0f5ea8; --pri2:#0b4a86; --pri-bg:#e8f1fb; --nav:#0d2238; --nav2:#163250;
  --ok:#1f8a4c; --ok-bg:#e5f5ec; --warn:#b26a00; --warn-bg:#fff3dc; --bad:#c93a2e; --bad-bg:#fde9e7;
  --vio:#6a43c4; --vio-bg:#efe9fb; --teal:#0b8189; --teal-bg:#e0f4f5; --gray-bg:#eef1f5;
  --r:8px; --sh:0 1px 2px rgba(16,24,40,.05),0 1px 3px rgba(16,24,40,.06);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:14px; color:var(--text);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--pri);text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:600}
.mono{font-family:"SF Mono",Menlo,Consolas,monospace;font-size:12.5px}
.muted{color:var(--mute)} .sub{color:var(--sub)} .small{font-size:12px} .nowrap{white-space:nowrap}
.grow{flex:1} .row{display:flex;align-items:center;gap:8px} .wrap{flex-wrap:wrap} .col{display:flex;flex-direction:column;gap:6px}
.right{margin-left:auto} .center{text-align:center} .hide{display:none!important}

/* ── shell ── */
.shell{display:flex;min-height:100vh}
.side{width:216px;flex:none;background:var(--nav);color:#c9d6e6;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;gap:10px;align-items:center;padding:18px 18px 16px;border-bottom:1px solid rgba(255,255,255,.06)}
.logo{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,#2f8cf0,#0b4a86);display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px;letter-spacing:.5px}
.brand b{color:#fff;font-size:15px;display:block} .brand span{font-size:11.5px;color:#8fa6c1}
.nav{padding:12px 10px;display:flex;flex-direction:column;gap:2px}
.nav a{color:#c9d6e6;padding:9px 12px;border-radius:6px;display:flex;gap:10px;align-items:center;font-size:13.5px}
.nav a:hover{background:var(--nav2);color:#fff}
.nav a.on{background:#1d4673;color:#fff}
.nav svg{width:17px;height:17px;opacity:.85}
.side .foot{margin-top:auto;padding:14px 18px;font-size:11.5px;color:#6f86a3;border-top:1px solid rgba(255,255,255,.06);line-height:1.6}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{height:56px;background:var(--panel);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 24px;gap:12px;position:sticky;top:0;z-index:20}
.crumb{font-size:13px;color:var(--sub)} .crumb a{color:var(--sub)} .crumb b{color:var(--text);font-weight:600}
.me{margin-left:auto;display:flex;align-items:center;gap:10px;cursor:pointer;position:relative}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--pri-bg);color:var(--pri);display:grid;place-items:center;font-weight:600;font-size:13px}
.me .who{line-height:1.25;text-align:right} .me .who b{display:block;font-size:13px} .me .who span{font-size:11.5px;color:var(--mute)}
.menu{position:absolute;right:0;top:42px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px rgba(16,24,40,.12);min-width:160px;padding:6px;z-index:50}
.menu a{display:block;padding:8px 10px;border-radius:6px;color:var(--text);font-size:13px} .menu a:hover{background:var(--bg)}
.page{padding:20px 24px 48px;max-width:1440px;width:100%}
.mnav{display:none}

/* ── basic ui ── */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh)}
.card>.hd{padding:14px 16px;border-bottom:1px solid var(--line2);display:flex;align-items:center;gap:10px}
.card>.hd h3{font-size:14.5px}
.card>.bd{padding:16px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:1fr 1fr} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
.g21{grid-template-columns:2fr 1fr}
.btn{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 12px;border-radius:6px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:13px;white-space:nowrap;color:var(--text)}
.btn:hover{border-color:#c5cfdb;background:#fafbfc}
.btn.pri{background:var(--pri);border-color:var(--pri);color:#fff} .btn.pri:hover{background:var(--pri2)}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn.danger{color:var(--bad);border-color:#f0c4bf} .btn.danger:hover{background:var(--bad-bg)}
.btn.ghost{border-color:transparent;background:transparent} .btn.ghost:hover{background:var(--gray-bg)}
.btn.sm{height:26px;padding:0 8px;font-size:12px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn svg{width:15px;height:15px}
input.in,select.in,textarea.in{border:1px solid var(--line);border-radius:6px;padding:6px 10px;background:#fff;outline:none;width:100%}
input.in,select.in{height:34px}
textarea.in{min-height:64px;resize:vertical;line-height:1.5}
.in:focus{border-color:var(--pri);box-shadow:0 0 0 3px rgba(15,94,168,.12)}
label.f{display:flex;flex-direction:column;gap:5px;font-size:12.5px;color:var(--sub)}
label.f>span b{color:var(--bad)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px} .form .full{grid-column:1/-1}

.tag{display:inline-flex;align-items:center;gap:4px;height:22px;padding:0 8px;border-radius:11px;font-size:12px;font-weight:500;white-space:nowrap;background:var(--gray-bg);color:var(--sub)}
.tag.ok{background:var(--ok-bg);color:var(--ok)} .tag.warn{background:var(--warn-bg);color:var(--warn)} .tag.bad{background:var(--bad-bg);color:var(--bad)}
.tag.pri{background:var(--pri-bg);color:var(--pri)} .tag.vio{background:var(--vio-bg);color:var(--vio)} .tag.teal{background:var(--teal-bg);color:var(--teal)}
.tag.dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.tag.line{background:#fff;border:1px solid var(--line)}
.pri-key{color:var(--bad);font-weight:600} .pri-imp{color:var(--warn)} .pri-gen{color:var(--mute)}
.dept{display:inline-block;font-size:12px;padding:1px 7px;border-radius:4px;background:#eef3f9;color:#3a5677;white-space:nowrap}

.tbl{width:100%;border-collapse:separate;border-spacing:0}
.tbl th{font-size:12px;color:var(--sub);font-weight:500;text-align:left;padding:9px 10px;background:#f8fafc;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:10px;border-bottom:1px solid var(--line2);vertical-align:top;font-size:13px;line-height:1.5}
.tbl tr:hover td{background:#fafcff}
.tbl tr.grp td{background:#f6f8fb;font-weight:600;color:var(--sub);font-size:12.5px;padding:7px 10px}
.tbl .req{font-weight:500}
.tbl .tgt{color:var(--pri2);font-weight:500}
.tbl-wrap{overflow-x:auto}

.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{height:28px;padding:0 11px;border-radius:14px;border:1px solid var(--line);background:#fff;font-size:12.5px;cursor:pointer;display:inline-flex;align-items:center;gap:5px;color:var(--sub)}
.chip:hover{border-color:#bfcbd9}
.chip.on{background:var(--pri);border-color:var(--pri);color:#fff}
.chip .n{font-size:11px;opacity:.75}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff}
.seg button{border:0;background:transparent;padding:0 10px;white-space:nowrap;height:28px;font-size:12.5px;cursor:pointer;border-right:1px solid var(--line);color:var(--sub)}
.seg button:last-child{border-right:0}
.seg button:hover{background:var(--bg)}
.seg button.on.ok{background:var(--ok);color:#fff} .seg button.on.warn{background:#d98a00;color:#fff} .seg button.on.bad{background:var(--bad);color:#fff} .seg button.on{background:var(--pri);color:#fff}
.seg button:disabled{cursor:not-allowed;opacity:.55}

.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin:0 0 16px}
.tabs a{padding:10px 14px;color:var(--sub);border-bottom:2px solid transparent;margin-bottom:-1px;font-size:13.5px;display:flex;gap:6px;align-items:center}
.tabs a.on{color:var(--pri);border-color:var(--pri);font-weight:600}
.tabs a .n{background:var(--gray-bg);border-radius:9px;padding:0 6px;font-size:11px;color:var(--sub)}
.tabs a.on .n{background:var(--pri-bg);color:var(--pri)}

.kpi{padding:16px}
.kpi .l{font-size:12.5px;color:var(--sub)} .kpi .v{font-size:26px;font-weight:600;margin-top:6px;letter-spacing:-.5px} .kpi .s{font-size:12px;color:var(--mute);margin-top:2px}
.bar{height:8px;border-radius:4px;background:var(--line2);overflow:hidden;display:flex}
.bar i{display:block;height:100%}
.bar .ok{background:#35a86a} .bar .warn{background:#f0ad3c} .bar .bad{background:#e0564a} .bar .pri{background:var(--pri)} .bar .gray{background:#cfd6df}
.legend{display:flex;gap:12px;font-size:12px;color:var(--sub)} .legend i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:4px;vertical-align:-1px}

.empty{padding:40px 20px;text-align:center;color:var(--mute)}
.list .li{display:flex;gap:10px;padding:10px 16px;border-bottom:1px solid var(--line2);align-items:center}
.list .li:last-child{border-bottom:0}
.list .li:hover{background:#fafcff}

/* sow header */
.sowh{display:flex;gap:16px;align-items:flex-start;margin-bottom:14px}
.sowh h1{font-size:20px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.sowh .meta{display:flex;gap:16px;flex-wrap:wrap;color:var(--sub);font-size:12.5px;margin-top:6px}
.sowh .acts{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.steps{display:flex;margin:4px 0 18px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 18px;gap:0}
.step{flex:1;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--mute);position:relative}
.step .c{width:22px;height:22px;border-radius:50%;border:2px solid #cfd6df;display:grid;place-items:center;font-size:11px;font-weight:600;background:#fff;flex:none}
.step::after{content:"";flex:1;height:2px;background:#e3e8ef;margin:0 8px}
.step:last-child::after{display:none}
.step.done{color:var(--sub)} .step.done .c{background:var(--ok);border-color:var(--ok);color:#fff}
.step.done::after{background:#9fd3b5}
.step.cur{color:var(--pri);font-weight:600} .step.cur .c{border-color:var(--pri);color:var(--pri);box-shadow:0 0 0 4px var(--pri-bg)}

.supcard{border:1px solid var(--line);border-radius:var(--r);padding:14px;background:#fff}
.supcard.aw{border-color:#9fd3b5;background:linear-gradient(#f3fbf6,#fff 60%)}
.stat3{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:10px 0}
.stat3 div{background:var(--bg);border-radius:6px;padding:6px 8px} .stat3 b{font-size:16px;display:block} .stat3 span{font-size:11.5px;color:var(--sub)}

.resp{display:flex;flex-direction:column;gap:5px}
.resp .cm{font-size:12.5px} .resp .rm{font-size:12.5px;color:var(--sub);background:#fafbfc;border-left:3px solid #e3e8ef;padding:4px 8px;border-radius:0 4px 4px 0}
.resp .rm.warn{border-color:#f0ad3c;background:#fffaf0}
.dec .note{font-size:12px;color:var(--sub);margin-top:4px}
.cbtn{display:inline-flex;align-items:center;gap:4px;color:var(--mute);font-size:12px;cursor:pointer;border:0;background:none;padding:2px 4px;border-radius:4px}
.cbtn:hover{background:var(--gray-bg);color:var(--pri)} .cbtn.has{color:var(--pri)}
.cbtn svg{width:14px;height:14px}

.matrix td.cell{min-width:150px}
.mx{display:flex;flex-direction:column;gap:3px}

.ms{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.msc{border:1px solid var(--line);border-radius:var(--r);padding:14px;background:#fff;position:relative}
.msc .pct{font-size:24px;font-weight:600} .msc .nm{font-weight:600}
.msc.paid{background:#f3fbf6;border-color:#bfe3cd} .msc.payable{border-color:var(--pri);box-shadow:0 0 0 3px var(--pri-bg)}

.notice{display:flex;gap:10px;padding:10px 14px;border-radius:var(--r);background:var(--pri-bg);color:#174a7c;font-size:13px;margin-bottom:14px;align-items:flex-start;line-height:1.55}
.notice.warn{background:var(--warn-bg);color:#7a4a00} .notice.ok{background:var(--ok-bg);color:#14633a} .notice.bad{background:var(--bad-bg);color:#8f241b}
.notice svg{width:18px;height:18px;flex:none;margin-top:1px}

.timeline{display:flex;flex-direction:column}
.tl{display:flex;gap:12px;padding:8px 0;font-size:13px;border-bottom:1px dashed var(--line2)}
.tl .t{width:128px;flex:none;color:var(--mute);font-size:12px}
.tl .a{font-weight:500}

/* modal */
.mask{position:fixed;inset:0;background:rgba(13,34,56,.42);z-index:100;display:flex;align-items:flex-start;justify-content:center;padding:6vh 16px;overflow:auto}
.modal{background:#fff;border-radius:10px;width:560px;max-width:100%;box-shadow:0 20px 50px rgba(0,0,0,.25);display:flex;flex-direction:column;max-height:88vh}
.modal.lg{width:880px} .modal.xl{width:1100px}
.modal .mh{padding:16px 20px;border-bottom:1px solid var(--line2);display:flex;align-items:center}
.modal .mh h3{font-size:16px}
.modal .mb{padding:18px 20px;overflow:auto}
.modal .mf{padding:12px 20px;border-top:1px solid var(--line2);display:flex;gap:8px;justify-content:flex-end}
.x{border:0;background:none;font-size:20px;cursor:pointer;color:var(--mute);margin-left:auto;line-height:1}
.toast{position:fixed;left:50%;top:18px;transform:translateX(-50%);background:#1b2533;color:#fff;padding:10px 18px;border-radius:8px;z-index:200;font-size:13px;box-shadow:0 8px 24px rgba(0,0,0,.2);max-width:90vw}
.toast.bad{background:var(--bad)} .toast.ok{background:var(--ok)}

.thread{display:flex;flex-direction:column;gap:10px;max-height:46vh;overflow:auto;padding:2px}
.msg{max-width:82%;padding:8px 12px;border-radius:10px;background:var(--bg);font-size:13px;line-height:1.55;align-self:flex-start}
.msg.mine{align-self:flex-end;background:var(--pri-bg)}
.msg.sup{background:#fff7e8}
.msg .by{font-size:11.5px;color:var(--mute);margin-bottom:2px}

/* login */
.login{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;background:#fff}
.login .l{background:radial-gradient(1200px 600px at 20% 10%,#1d5a96,#0d2238 60%);color:#d8e5f3;padding:56px;display:flex;flex-direction:column}
.login .l h1{font-size:30px;color:#fff;margin:40px 0 12px;line-height:1.3}
.login .l p{line-height:1.8;color:#a9bfd8;max-width:480px}
.login .flow{display:flex;flex-direction:column;gap:10px;margin-top:30px;max-width:460px}
.login .flow div{display:flex;gap:12px;align-items:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);padding:10px 14px;border-radius:8px;font-size:13px}
.login .flow b{width:22px;height:22px;border-radius:50%;background:#2f8cf0;color:#fff;display:grid;place-items:center;font-size:12px;flex:none}
.login .r{display:flex;align-items:center;justify-content:center;padding:40px}
.login form{width:360px;max-width:100%;display:flex;flex-direction:column;gap:14px}
.login form h2{font-size:22px}
.demo{margin-top:8px;border-top:1px dashed var(--line);padding-top:14px}
.demo .chips .chip{height:26px;font-size:12px}

/* doc */
.doc{background:#fff;border:1px solid var(--line);max-width:960px;margin:0 auto;padding:48px 56px;box-shadow:var(--sh);position:relative;font-size:13px;line-height:1.65}
.doc h1{text-align:center;font-size:22px;letter-spacing:2px;margin-bottom:6px}
.doc .subt{text-align:center;color:var(--sub);margin-bottom:24px}
.doc h2{font-size:15px;margin:22px 0 10px;padding-left:8px;border-left:3px solid var(--pri)}
.doc table{width:100%;border-collapse:collapse;font-size:12.5px}
.doc th,.doc td{border:1px solid #cdd5df;padding:6px 8px;vertical-align:top;text-align:left}
.doc th{background:#f1f4f8;font-weight:600}
.doc .kv td:nth-child(odd){background:#f8fafc;width:16%;color:var(--sub)}
.doc .sign{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:36px}
.doc .sign div{border-top:1px solid #333;padding-top:8px;height:90px}
.doc .wm{position:absolute;top:40%;left:50%;transform:translate(-50%,-50%) rotate(-24deg);font-size:96px;color:rgba(201,58,46,.08);font-weight:800;pointer-events:none;white-space:nowrap}

@media (max-width:1100px){.g4{grid-template-columns:1fr 1fr}.g3,.g21{grid-template-columns:1fr}}
@media (max-width:800px){
  .side{display:none}
  .mnav{display:flex;gap:4px;overflow-x:auto;padding:8px 16px;background:var(--nav)}
  .mnav a{color:#c9d6e6;padding:6px 10px;border-radius:6px;white-space:nowrap;font-size:13px}
  .mnav a.on{background:#1d4673;color:#fff}
  .page{padding:16px}
  .top{padding:0 16px;position:static}
  .tbl th{top:0}
  .g2,.g4{grid-template-columns:1fr}
  .form{grid-template-columns:1fr}
  .sowh{flex-direction:column}.sowh .acts{margin-left:0;justify-content:flex-start}
  .steps{overflow-x:auto}.step{min-width:110px}
  .login{grid-template-columns:minmax(0,1fr)}.login .l{display:none}.login .r{padding:24px 16px}
  .doc{padding:24px 16px}
  .me .who{display:none}
}
@media print{
  body{background:#fff}
  .side,.top,.tabs,.sowh,.steps,.noprint,.mnav{display:none!important}
  .page{padding:0;max-width:none}
  .doc{border:0;box-shadow:none;padding:0;max-width:none}
  .doc tr{page-break-inside:avoid}
}
.grid>*,.col>*{min-width:0}
.tabs{overflow-x:auto;scrollbar-width:none}
.tabs a{flex:none;white-space:nowrap}