/* 宝时运通学习估算系统 · 简洁办公风，电脑端优先 */
:root{
  --navy:#0F2A4A; --navy2:#173d68; --line:#e3e9f0; --bg:#f5f7fa;
  --text:#1f2d3d; --muted:#6b7f96; --blue:#1a6fc4; --red:#c0392b;
  --green:#1e8449; --amber:#b9770e;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}
.main{padding:22px 18px 40px;min-height:60vh}

/* 顶栏 */
.topbar{background:var(--navy);color:#fff;padding:10px 0}
.topbar .wrap{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px}
.brand .logo{font-size:22px}
.brand strong{display:block;font-size:15px;letter-spacing:.3px}
.brand small{display:block;font-size:11.5px;color:#9fc2e8}
.nav{display:flex;gap:4px;flex:1}
.nav a{color:#cfe0f5;padding:6px 12px;border-radius:6px;font-size:13.5px}
.nav a:hover{background:rgba(255,255,255,.08);text-decoration:none}
.nav a.on{background:rgba(255,255,255,.15);color:#fff;font-weight:600}
.who{font-size:12.5px;color:#cfe0f5;display:flex;gap:12px;align-items:center}
.who a{color:#fff;opacity:.85}

/* 警示条 */
.warnbar{background:#fff4e5;color:#8a5a00;border-bottom:1px solid #f0d9b5;font-size:12.5px;padding:7px 0;text-align:center}

/* 卡片与标题 */
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;margin-bottom:18px}
.card-title{font-size:16px;font-weight:700;margin:0 0 4px;color:var(--navy);display:flex;align-items:center;gap:8px}
.card-sub{font-size:12.5px;color:var(--muted);margin:0 0 16px}
.sec-no{display:inline-flex;width:22px;height:22px;border-radius:50%;background:var(--navy);color:#fff;font-size:12px;align-items:center;justify-content:center;font-weight:700}

/* 表单 */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.grid.g3{grid-template-columns:repeat(3,1fr)}
.grid.g2{grid-template-columns:repeat(2,1fr)}
.fld{display:flex;flex-direction:column;gap:5px}
.fld label{font-size:12.5px;color:var(--muted);font-weight:600}
.fld label .req{color:var(--red)}
input[type=text],input[type=number],input[type=password],select,textarea{
  border:1px solid #cfd8e3;border-radius:6px;padding:8px 10px;font-size:13.5px;background:#fff;color:var(--text);
  font-family:inherit;width:100%
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(26,111,196,.1)}
.hint{font-size:11.5px;color:#93a5b8;line-height:1.45}
.checks{display:flex;flex-wrap:wrap;gap:8px 22px;padding:6px 0}
.checks label{display:flex;align-items:center;gap:7px;font-size:13.5px;color:var(--text);font-weight:400;cursor:pointer}
.checks input{width:15px;height:15px}

/* 按钮 */
.btn{display:inline-block;border:none;border-radius:6px;padding:10px 22px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;text-decoration:none}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:#155a9e;text-decoration:none;color:#fff}
.btn-ghost{background:#fff;border:1px solid #cfd8e3;color:var(--text)}
.btn-sm{padding:5px 12px;font-size:12.5px}
.btn-danger{background:var(--red);color:#fff}

/* 表格 */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left}
th{background:#f0f4f9;color:var(--muted);font-size:12px;font-weight:600;white-space:nowrap}
tr:hover td{background:#fafcfe}
.num{text-align:right;font-variant-numeric:tabular-nums}
td .tn{display:block;font-size:11.5px;color:#93a5b8;line-height:1.45;margin-top:2px}

/* 结果 */
.kpi-row{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:16px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 14px}
.kpi span{display:block;font-size:11.5px;color:var(--muted)}
.kpi b{display:block;font-size:19px;color:var(--navy);margin-top:3px;font-variant-numeric:tabular-nums}
.kpi.total{background:var(--navy);border-color:var(--navy)}
.kpi.total span{color:#9fc2e8}
.kpi.total b{color:#fff}
.big-quote{background:linear-gradient(135deg,#0F2A4A,#1a4f8a);color:#fff;border-radius:10px;padding:20px 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.big-quote .lbl{font-size:13px;color:#a8c8ea}
.big-quote .val{font-size:30px;font-weight:800;font-variant-numeric:tabular-nums}
.big-quote .sub{font-size:12px;color:#9fc2e8}

.alert{border-radius:8px;padding:12px 16px;margin-bottom:12px;font-size:13.5px;border-left:4px solid}
.alert.danger{background:#fdecea;border-color:var(--red);color:#8b2318}
.alert.warn{background:#fff8e6;border-color:var(--amber);color:#7a5200}
.alert.info{background:#eef5fd;border-color:var(--blue);color:#155a9e}
.alert b{display:block;margin-bottom:3px}

.group-title{background:#f0f4f9;font-weight:700;color:var(--navy);font-size:13px}

/* 单据 */
.sheet{background:#fff;border:1px solid #d5dde7;border-radius:8px;padding:26px}
.sheet-red{border:2px solid var(--red);background:#fff5f5;color:#a01f12;padding:12px 16px;border-radius:6px;font-weight:700;font-size:13.5px;line-height:1.6;margin-bottom:18px}
.sheet h2{font-size:19px;margin:0 0 4px;color:var(--navy)}
.sheet .meta{font-size:12.5px;color:var(--muted);margin-bottom:16px}
.kv{display:grid;grid-template-columns:repeat(4,1fr);gap:10px 18px;font-size:13px;margin-bottom:16px}
.kv div span{color:var(--muted);font-size:12px;display:block}
.kv div b{font-weight:600}

/* 词典 */
.dict-item{padding:11px 0;border-bottom:1px dashed var(--line)}
.dict-item b{color:var(--navy)}
.dict-item .full{color:var(--muted);font-size:12.5px;margin-left:6px}

/* 页脚 */
.foot{background:#fff;border-top:1px solid var(--line);padding:20px 0 26px;margin-top:20px}
.foot .stmt{font-size:12px;color:#7b8ca1;line-height:1.7;margin:0 0 8px}
.foot .cp{font-size:11.5px;color:#a3b3c6;margin:0}

/* 登录 */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(140deg,#0F2A4A,#1a4f8a);padding:20px}
.login-box{background:#fff;border-radius:12px;padding:34px 30px;width:100%;max-width:380px;box-shadow:0 18px 50px rgba(0,0,0,.25)}
.login-box h1{font-size:18px;margin:0 0 4px;color:var(--navy)}
.login-box .sub{font-size:12.5px;color:var(--muted);margin:0 0 22px;line-height:1.6}
.err{background:#fdecea;color:#8b2318;border-radius:6px;padding:9px 12px;font-size:13px;margin-bottom:14px}
.login-foot{font-size:11.5px;color:#93a5b8;margin-top:18px;line-height:1.6}

@media (max-width:900px){
  .grid,.grid.g3{grid-template-columns:repeat(2,1fr)}
  .kpi-row{grid-template-columns:repeat(2,1fr)}
  .kv{grid-template-columns:repeat(2,1fr)}
  .nav{gap:0}
  .nav a{padding:6px 9px;font-size:12.5px}
}
@media print{
  .topbar,.warnbar,.foot,.noprint{display:none!important}
  body{background:#fff}
  .main{padding:0}
  .sheet{border:none;padding:0}
}