:root{
  --bg:#f7fbff;
  --panel:#ffffff;
  --text:#0b1020;
  --muted:#5c6b86;
  --primary:#1663d6;
  --accent:#2fb1ff;
  --line:#e6edf7;
  --radius:16px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, Pretendard, 'Noto Sans KR', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container{max-width:1200px;margin:0 auto;padding:28px 16px}

.section{padding:28px 0}
h1,h2,h3{margin:0 0 10px}
h1{font-size: clamp(24px, 3.6vw, 36px)}
h2{font-size: clamp(18px, 2.4vw, 24px)}
h3{font-size: clamp(16px, 2vw, 20px)}

.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 10px 30px rgba(15, 35, 80, .06);
  padding:18px;
}

.header{
  display:grid; gap:18px;
  grid-template-columns: 1.1fr .9fr;
  align-items: stretch;
}
.header .left{
  background:linear-gradient(140deg, rgba(47,177,255,.18), rgba(22,99,214,.15));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  display:flex; flex-direction:column; justify-content:center;
}
.header .right .kvs{display:grid;gap:12px}
.kv{display:grid;grid-template-columns:120px 1fr;gap:10px;align-items:start}
.kv .key{font-weight:700;color:#18385f}
.kv .val{color:var(--muted);line-height:1.6}

.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#eef5ff;border:1px solid #dbe6fb;color:#204080;font-size:12px;margin-right:6px}

.flow{
  display:grid;gap:10px;
  grid-template-columns: repeat(7, 1fr);
}
.flow .step{
  text-align:center;background:var(--panel);border:1px solid var(--line);
  border-radius:14px;padding:12px 10px
}
.flow .step .icon{width:28px;height:28px;margin:0 auto 6px;display:block}
.flow .arrow{display:none}
@media(min-width:900px){
  .flow{grid-template-columns: repeat(13, 1fr);align-items:center}
  .flow .step{grid-column: span 2}
  .flow .arrow{display:block;text-align:center;color:#9ab0d1}
}

.grid-3{display:grid;gap:14px;grid-template-columns:repeat(3,1fr)}
.grid-2{display:grid;gap:14px;grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){
  .grid-3,.grid-2{grid-template-columns:1fr}
}

.mes-diagram{
  padding:14px;border:1px dashed #cfe0fb;border-radius:14px;background:#f9fbff
}
.mes-row{display:flex;gap:10px;flex-wrap:wrap}
.mes-node{
  flex:1 1 160px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;text-align:center
}

.icon-list{display:grid;gap:12px;grid-template-columns:repeat(3,1fr)}
.icon-item{display:flex;gap:10px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px}
.icon-item svg{width:24px;height:24px}
@media(max-width:900px){.icon-list{grid-template-columns:1fr}}

.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.table th,.table td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left}
.table th{background:#f2f7ff;color:#18385f}
.table tr:last-child td{border-bottom:none}

.caption{color:var(--muted);font-size:13px;margin-top:6px}

footer{margin:16px 0;color:#6d7d98;font-size:13px}