:root{
  --bg:#f7f8fb;
  --card:#fff;
  --text:#252938;
  --muted:#7a8090;
  --line:#e9ebf1;
  --yellow:#ffdf00;
  --red:#e84b3c;
  --green:#12a45b;
  --shadow:0 10px 30px rgba(25,30,50,.08);
}

*{box-sizing:border-box}

body{
  margin:0;
  background:var(--bg);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  color:var(--text);
}

.wrap{
  max-width:1560px;
  margin:0 auto;
  padding:22px 18px 48px;
}

h1{
  font-size:30px;
  margin:0 0 6px;
  font-weight:900;
}

.sub{
  color:var(--muted);
  line-height:1.55;
  margin-bottom:16px;
  font-size:14px;
}

.layout{
  display:grid;
  grid-template-columns:300px minmax(620px,1fr) 360px;
  gap:16px;
  align-items:start;
}

.card{
  background:var(--card);
  border-radius:24px;
  box-shadow:var(--shadow);
  padding:18px;
  border:1px solid rgba(0,0,0,.03);
}

.sticky{
  position:sticky;
  top:14px;
}

.section-title{
  margin:0 0 14px;
}

.strategy-list{
  display:flex;
  flex-direction:column;
  gap:9px;
  max-height:calc(100vh - 150px);
  overflow:auto;
  padding-right:4px;
}

.strategy{
  display:grid;
  grid-template-columns:46px 1fr 22px;
  gap:12px;
  align-items:center;
  border:1px solid var(--line);
  border-radius:15px;
  padding:10px;
  cursor:pointer;
  background:#fff;
  transition:.15s;
}

.strategy:hover,
.strategy.active{
  border-color:var(--yellow);
  background:#fffdf1;
}

.icon{
  height:38px;
  border:1px solid var(--line);
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:900;
  font-size:20px;
  color:#2d3142;
}

.radio{
  width:20px;
  height:20px;
  border:3px solid #aeb3bf;
  border-radius:50%;
  position:relative;
}

.active .radio{
  border-color:var(--yellow);
}

.active .radio:after{
  content:"";
  position:absolute;
  width:7px;
  height:7px;
  border-radius:50%;
  background:#2d3142;
  left:3.5px;
  top:3.5px;
}

.sname{
  font-size:17px;
  font-weight:900;
}

.sdesc{
  grid-column:1/4;
  color:var(--muted);
  font-size:13px;
  line-height:1.45;
  border-top:1px solid var(--line);
  padding-top:9px;
  display:none;
}

.active .sdesc{
  display:block;
}

label{
  display:block;
  font-size:12px;
  color:var(--muted);
  font-weight:800;
  margin-bottom:7px;
}

input,
select{
  width:100%;
  height:44px;
  border:1px solid var(--line);
  border-radius:13px;
  background:#fff;
  padding:0 11px;
  font-size:15px;
  color:var(--text);
  outline:none;
}

input:focus,
select:focus{
  border-color:var(--yellow);
}

.form-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
}

.leg{
  border:1px solid var(--line);
  border-radius:18px;
  padding:13px;
  margin-top:12px;
  background:#fcfcfd;
}

.leg-title{
  font-weight:900;
  margin-bottom:11px;
  font-size:16px;
}

.leg-grid{
  display:grid;
  grid-template-columns:1.05fr .9fr .9fr .75fr .9fr .9fr .9fr;
  gap:9px;
  align-items:end;
}

.summary{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
  margin-top:14px;
}

.metric{
  border-radius:17px;
  background:#f6f7fa;
  padding:14px;
}

.metric .k{
  color:var(--muted);
  font-weight:800;
  font-size:12px;
}

.metric .v{
  font-size:24px;
  font-weight:900;
  margin-top:6px;
}

.red{color:var(--red)}
.green{color:var(--green)}

.payoff{
  width:100%;
  height:330px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
  margin-top:16px;
}

.actions{
  display:flex;
  gap:10px;
  margin-top:14px;
  flex-wrap:wrap;
}

button{
  border:0;
  border-radius:14px;
  height:44px;
  padding:0 16px;
  font-weight:900;
  font-size:15px;
  cursor:pointer;
}

.primary{
  background:var(--yellow);
  color:#1d2030;
  flex:1;
}

.secondary{
  background:#f0f2f6;
  color:#333849;
}

.success{
  background:#16a34a;
  color:#fff;
}

.dark{
  background:#252938;
  color:#fff;
}

.note{
  font-size:12px;
  color:#9aa0ad;
  line-height:1.55;
  margin-top:12px;
}

table{
  width:100%;
  border-collapse:collapse;
  margin-top:12px;
  font-size:13px;
}

th,
td{
  padding:9px;
  border-bottom:1px solid var(--line);
  text-align:left;
}

th{
  color:var(--muted);
}

.conclusion{
  border:1px solid var(--line);
  background:#fffef7;
  border-radius:22px;
  padding:16px;
}

.conclusion h2{
  margin:0 0 12px;
  font-size:21px;
}

.conclusion-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
  margin:12px 0;
}

.badge{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
}

.badge .bk{
  font-size:12px;
  color:var(--muted);
  font-weight:800;
}

.badge .bv{
  font-size:22px;
  font-weight:900;
  margin-top:5px;
}

#conclusionText{
  white-space:pre-wrap;
  line-height:1.6;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:13px;
  font-size:13px;
  color:#333849;
  max-height:560px;
  overflow:auto;
}

.copyHint{
  font-size:13px;
  color:var(--green);
  font-weight:800;
  margin-top:8px;
  display:none;
}

@media(max-width:1180px){
  .layout{
    grid-template-columns:280px 1fr;
  }

  .right-col{
    grid-column:1 / -1;
  }

  .conclusion-grid{
    grid-template-columns:repeat(3,1fr);
  }

  .sticky{
    position:static;
  }
}

@media(max-width:820px){
  .wrap{
    padding:12px 10px 30px;
  }

  h1{
    font-size:24px;
  }

  .sub{
    font-size:13px;
  }

  .layout{
    display:block;
  }

  .card{
    border-radius:20px;
    padding:14px;
    margin-bottom:12px;
  }

  .strategy-list{
    max-height:none;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:8px;
  }

  .strategy{
    grid-template-columns:38px 1fr;
  }

  .strategy .radio{
    display:none;
  }

  .icon{
    height:34px;
    font-size:18px;
  }

  .sname{
    font-size:15px;
  }

  .sdesc{
    grid-column:1/3;
    font-size:12px;
  }

  .form-grid,
  .summary,
  .conclusion-grid{
    grid-template-columns:1fr 1fr;
  }

  .leg-grid{
    grid-template-columns:1fr 1fr;
  }

  .payoff{
    height:300px;
  }

  table{
    font-size:12px;
    display:block;
    overflow-x:auto;
    white-space:nowrap;
  }

  #conclusionText{
    max-height:none;
  }
}

@media(max-width:520px){
  .strategy-list,
  .form-grid,
  .summary,
  .conclusion-grid,
  .leg-grid{
    grid-template-columns:1fr;
  }

  input,
  select,
  button{
    height:46px;
    font-size:16px;
  }

  .metric .v{
    font-size:22px;
  }

  .payoff{
    height:270px;
  }
}

@media print{
  body{
    background:#fff;
  }

  .wrap{
    max-width:none;
    padding:0;
  }

  .left-col,
  .middle-col .actions,
  .sub,
  .payoff,
  table,
  .note{
    display:none!important;
  }

  .layout{
    display:block;
  }

  .card{
    box-shadow:none;
    border:none;
    border-radius:0;
  }

  .conclusion{
    border:none;
    background:#fff;
  }
}