:root{
  --ink:#0A1A16; --ink2:#16302A; --teal:#0E8C6A; --mint:#19C79B; --orange:#F2653C;
  --paper:#F4F1EA; --cream:#E9E1D2; --line:#DCD3C3; --muted:#6C7A73; --white:#fff;
  --danger:#C0392B; --warn:#B8860B;
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font-family:inherit}

.shell{display:flex;min-height:100vh}
.side{width:212px;background:var(--ink);color:#fff;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{padding:22px 20px 18px;display:flex;flex-direction:column;gap:2px}
.brand b{font-size:17px;letter-spacing:.02em}
.brand span{font-size:10px;letter-spacing:.18em;color:#6F8C81}
.side nav{flex:1;padding:6px 10px 16px;display:flex;flex-direction:column;gap:2px;overflow-y:auto;min-height:0}
.side nav::-webkit-scrollbar{width:6px}
.side nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:3px}
.nav-item{display:flex;align-items:center;gap:9px;padding:7px 12px 7px 22px;border-radius:6px;color:#9DB8AC;font-size:12.5px}
.nav-item i{font-style:normal;width:16px;text-align:center;opacity:.75}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.on{background:var(--teal);color:#fff}
.side-foot{padding:14px 16px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;align-items:center}
.who{font-size:12.5px}
.who small{display:block;color:#6F8C81;font-size:11px}
.link{background:none;border:0;color:#9DB8AC;cursor:pointer;font-size:12.5px}
.link:hover{color:#fff}

.main{flex:1;min-width:0}
.top{height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;border-bottom:1px solid var(--line);background:rgba(244,241,234,.9)}
.top h1{font-size:19px;margin:0;font-weight:650}
.pill{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:3px 10px}
.content{padding:26px 28px 60px;max-width:1180px}

.card{background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:20px;overflow:hidden}
.card-head{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;border-bottom:1px solid var(--line)}
.card-head h2{font-size:14.5px;margin:0;font-weight:650}
.card-body{padding:16px 18px}
.card-body.flush{padding:0}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}
.stat{background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px 18px}
.stat b{display:block;font-size:22px;line-height:1.3}
.stat span{font-size:12px;color:var(--muted)}

.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{text-align:left;padding:10px 14px;background:#FBFAF6;border-bottom:1px solid var(--line);color:var(--muted);font-weight:600;font-size:12px}
.tbl td{padding:11px 14px;border-bottom:1px solid #EFEAE0;vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:hover td{background:#FCFBF7}
.num{font-variant-numeric:tabular-nums}

.badge{display:inline-block;font-size:11.5px;padding:2px 8px;border-radius:999px;background:#EEE9DE;color:#5B6862}
.badge.green{background:#E3F5EE;color:#0B7358}
.badge.blue{background:#E6EDFB;color:#25509E}
.badge.orange{background:#FDECE4;color:#B4462A}
.badge.red{background:#FBE6E3;color:#A33226}
.badge.gray{background:#EEE9DE;color:#5B6862}

.empty{padding:34px 18px;text-align:center;color:var(--muted);font-size:13px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 15px;border-radius:6px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:13px;cursor:pointer}
.btn:hover{border-color:#C9BFA9}
.btn.primary{background:var(--teal);border-color:var(--teal);color:#fff}
.btn.primary:hover{background:#0C7A5C}
.btn.sm{padding:5px 10px;font-size:12px}
.btn.danger{color:var(--danger);border-color:#E7C4BE}

.form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.field{display:flex;flex-direction:column;gap:5px}
.field.full{grid-column:1/-1}
.field label{font-size:12px;color:var(--muted)}
.field input,.field select,.field textarea{padding:8px 10px;border:1px solid var(--line);border-radius:6px;
  font-size:13.5px;background:#fff;font-family:inherit;color:var(--ink)}
.field input:focus,.field select:focus{outline:2px solid rgba(14,140,106,.25);border-color:var(--teal)}
.hint{font-size:11.5px;color:var(--muted)}
.actions{display:flex;gap:10px;justify-content:flex-end;margin-top:16px}

.flash{padding:10px 14px;border-radius:6px;margin-bottom:16px;font-size:13px}
.flash.ok{background:#E3F5EE;color:#0B7358;border:1px solid #BFE6D8}
.flash.err{background:#FBE6E3;color:#A33226;border:1px solid #F0C9C3}

.login-wrap{min-height:100vh;display:grid;place-items:center;background:var(--ink);
  background-image:radial-gradient(circle at 70% 20%,rgba(25,199,155,.25),transparent 55%)}
.login{width:360px;background:#fff;border-radius:10px;padding:30px 28px}
.login h1{font-size:19px;margin:0 0 4px}
.login p{color:var(--muted);font-size:12.5px;margin:0 0 20px}
.login .field{margin-bottom:12px}
.login .btn{width:100%;justify-content:center;padding:10px}
.demo{margin-top:16px;font-size:11.5px;color:var(--muted);line-height:1.9;border-top:1px dashed var(--line);padding-top:12px}
.demo code{background:#F3EFE6;padding:1px 5px;border-radius:3px;font-size:11px}

.row2{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;align-items:start}
.kv{display:grid;grid-template-columns:110px 1fr;gap:8px 14px;font-size:13px}
.kv dt{color:var(--muted);font-size:12.5px}
.kv dd{margin:0}
.tabs{display:flex;gap:6px;margin-bottom:14px}
.tabs a{padding:6px 12px;border-radius:6px;font-size:12.5px;color:var(--muted)}
.tabs a.on{background:#fff;border:1px solid var(--line);color:var(--ink)}
@media(max-width:980px){
  .side{width:60px}
  .brand span,.nav-item span,.who,.side-foot .link{display:none}
  .nav-item{justify-content:center}
  .stats{grid-template-columns:repeat(2,1fr)}
  .row2,.form{grid-template-columns:1fr}
}

/* 字段说明气泡 */
.q{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;margin-left:4px;
  border-radius:50%;background:#DCD3C3;color:#5B6862;font-size:10px;font-weight:700;cursor:help;
  position:relative;vertical-align:middle;line-height:1;user-select:none}
.q:hover{background:var(--teal);color:#fff}
.q::after{content:attr(data-tip);position:absolute;bottom:150%;left:50%;transform:translateX(-50%);
  background:#0A1A16;color:#fff;padding:7px 11px;border-radius:6px;font-size:12px;font-weight:400;
  line-height:1.5;white-space:normal;width:max-content;max-width:240px;opacity:0;pointer-events:none;
  transition:opacity .12s;z-index:99;text-align:left}
.q::before{content:"";position:absolute;bottom:135%;left:50%;transform:translateX(-50%);
  border:5px solid transparent;border-top-color:#0A1A16;opacity:0;transition:opacity .12s;z-index:99}
.q:hover::after,.q:hover::before{opacity:1}

/* 工具条 */
.toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px}
.toolbar-right{display:flex;gap:8px}
.mini{padding:4px 6px;border:1px solid var(--line);border-radius:5px;font-size:12px;background:#fff}
.thumb{width:64px;height:64px;object-fit:cover;border-radius:6px;border:1px solid var(--line);background:#fff}
.imgbig{max-width:100%;border-radius:8px;border:1px solid var(--line);box-shadow:0 8px 24px rgba(10,26,22,.10)}
.timeline{list-style:none;padding:0;margin:0}
.timeline li{padding:10px 0;border-bottom:1px dashed var(--line);display:flex;gap:14px;font-size:13px}
.timeline li:last-child{border-bottom:0}
.timeline .t{color:var(--muted);width:150px;flex:none}

/* 导航分组折叠 */
.nav-group{margin-bottom:2px}
/* 一级类目：与 .nav-item 同字号同高度，只是多了折叠箭头 */
.nav-group>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  padding:7px 12px 7px 22px;font-size:12.5px;font-weight:400;color:#9DB8AC;
  user-select:none;border-radius:6px;gap:9px}
.nav-group>summary i{font-style:normal;width:16px;text-align:center;opacity:.75;flex:none}
.nav-group>summary>span{flex:1}
/* 二级子项：缩进 + 略小字号 */
.nav-group .nav-item{padding-left:40px;font-size:12px}
.nav-group>summary::-webkit-details-marker{display:none}
.nav-group>summary::after{content:"▾";font-size:9px;opacity:.7;transition:transform .15s;margin-left:auto}
.nav-group[open]>summary::after{transform:rotate(0)}
.nav-group:not([open])>summary::after{transform:rotate(-90deg)}
.nav-group>summary:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-group[open]>summary{color:#CFE0D8}

/* 报表/统计：筛选条与标签页 */
.filters{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin-bottom:16px;padding:12px 14px;
  background:#fff;border:1px solid var(--line);border-radius:8px}
.filters .field{margin:0}
.filters input,.filters select{min-width:120px}
.tabs2{display:flex;gap:4px;margin-bottom:16px;background:#fff;border:1px solid var(--line);
  border-radius:8px;padding:4px;width:max-content}
.tabs2 a{padding:7px 18px;border-radius:6px;font-size:13px;color:var(--muted)}
.tabs2 a.on{background:var(--teal);color:#fff}

/* 可展开行（入金记录等） */
.row-item{border-bottom:1px dashed var(--line)}
.row-item:last-child{border-bottom:none}
.row-item>summary{display:flex;gap:12px;align-items:center;padding:11px 2px;cursor:pointer;list-style:none;font-size:13.5px}
.row-item>summary::-webkit-details-marker{display:none}
.row-item>summary::before{content:"▸";color:var(--muted);font-size:11px;transition:transform .15s}
.row-item[open]>summary::before{transform:rotate(90deg)}
.row-item>summary>span:first-child{flex:1;font-weight:500}
.row-item .detail{padding:2px 0 14px 20px}
/* 折叠区域（新增收款人等） */
.box{border:none;background:none;padding:0}
.box>summary{list-style:none;cursor:pointer}
.box>summary::-webkit-details-marker{display:none}

/* 分页 */
.pager{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-top:12px;flex-wrap:wrap}
.pager .btn{margin-left:6px}

/* 换汇试算 */
.fx-calc{margin-top:8px;padding:10px 12px;border-radius:6px;background:#F3FAF7;border:1px solid #CDE9DE;font-size:13.5px;color:#0B5F49}
.fx-calc b{font-size:15px}