:root{
  --brand:#1F4477; --brand-2:#2456A6; --brand-soft:#EEF3FB;
  --ink:#1c2430; --muted:#6b7787; --line:#e3e8ef; --bg:#f6f8fb;
  --ok:#1c7c4a; --warn:#a8730b; --err:#b03030;
  --radius:10px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif}
a{color:var(--brand-2);text-decoration:none}
a:hover{text-decoration:underline}

.topbar{background:var(--brand);color:#fff;padding:12px 16px;display:flex;
  align-items:center;gap:14px;flex-wrap:wrap;position:sticky;top:0;z-index:20}
.topbar .brand{font-weight:700;font-size:16px}
.topbar nav{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}
.topbar nav a{color:#cfe0f5}
.topbar nav a.on,.topbar nav a:hover{color:#fff}
.topbar .spacer{flex:1}
.topbar .who{font-size:13px;color:#cfe0f5}

.wrap{max-width:1120px;margin:0 auto;padding:18px 16px 60px}
.wrap.narrow{max-width:600px}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;margin-bottom:16px}
.card h2{margin:0 0 12px;font-size:17px}
.card h3{margin:18px 0 8px;font-size:15px;color:var(--brand)}
.sub{color:var(--muted);font-size:13px;margin:0 0 12px}

.grid{display:grid;gap:12px}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
@media(max-width:720px){.grid.c3,.grid.c4{grid-template-columns:repeat(2,1fr)}}

.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.stat .n{font-size:26px;font-weight:700;color:var(--brand)}
.stat .l{font-size:13px;color:var(--muted)}
.stat.warn .n{color:var(--warn)}
.stat.err .n{color:var(--err)}

table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:9px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--brand-soft);color:var(--brand);font-weight:600;white-space:nowrap}
tbody tr:hover{background:#fafcff}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}

.tag{display:inline-block;padding:1px 8px;border-radius:999px;font-size:12px;
  background:var(--brand-soft);color:var(--brand);white-space:nowrap}
.tag.ok{background:#e6f5ec;color:var(--ok)}
.tag.warn{background:#fdf3e0;color:var(--warn)}
.tag.err{background:#fbeaea;color:var(--err)}
.tag.mute{background:#eef1f5;color:var(--muted)}

label{display:block;margin:12px 0 4px;font-size:14px;font-weight:600}
label .req{color:var(--err)}
input[type=text],input[type=password],input[type=date],input[type=number],
input[type=tel],select,textarea{
  width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:8px;
  font-size:16px;background:#fff;color:var(--ink)}
textarea{min-height:70px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid #bcd3f2;border-color:var(--brand-2)}
.hint{font-size:12px;color:var(--muted);margin-top:4px}

.check{display:flex;gap:9px;align-items:flex-start;margin:10px 0;font-size:14px;font-weight:400}
.check input{margin-top:3px;width:17px;height:17px;flex:0 0 auto}

.btn{display:inline-block;padding:11px 18px;border-radius:8px;border:0;cursor:pointer;
  background:var(--brand-2);color:#fff;font-size:15px;font-weight:600;text-align:center}
.btn:hover{background:var(--brand);text-decoration:none;color:#fff}
.btn.ghost{background:#fff;color:var(--brand-2);border:1px solid var(--brand-2)}
.btn.sm{padding:6px 12px;font-size:13px}
.btn.danger{background:var(--err)}
.btn.block{display:block;width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}

.notice{border-left:4px solid var(--brand-2);background:var(--brand-soft);
  padding:12px 14px;border-radius:0 8px 8px 0;font-size:14px;margin:12px 0}
.notice.warn{border-color:var(--warn);background:#fdf6e8}
.notice.err{border-color:var(--err);background:#fbeaea}
.notice.ok{border-color:var(--ok);background:#e9f6ee}
.notice b{color:inherit}

.contract{max-height:340px;overflow:auto;background:#fbfcfe;border:1px solid var(--line);
  border-radius:8px;padding:14px;font-size:13px;line-height:1.8;white-space:pre-wrap;
  font-family:"PingFang SC","Microsoft YaHei",serif}

.sigbox{border:1px dashed var(--brand-2);border-radius:8px;background:#fff;touch-action:none}

.chain{list-style:none;padding:0;margin:0}
.chain li{padding:8px 0 8px 14px;border-left:2px solid var(--line);position:relative;font-size:14px}
.chain li::before{content:"";position:absolute;left:-5px;top:15px;width:8px;height:8px;
  border-radius:50%;background:var(--line)}
.chain li.paid::before{background:var(--brand-2)}
.chain li.company::before{background:var(--muted)}

.qrbox{text-align:center;padding:10px}
.qrbox img{width:200px;height:200px;border:1px solid var(--line);border-radius:8px;background:#fff}
.code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:15px;letter-spacing:1px}

.split{display:flex;gap:16px;flex-wrap:wrap}
.split>*{flex:1;min-width:260px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.right{text-align:right}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}
.muted{color:var(--muted)}
.small{font-size:13px}
hr{border:0;border-top:1px solid var(--line);margin:16px 0}