@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard-dynamic-subset.min.css");

:root{
  --bg:#f3f4fb; --card:#ffffff; --ink:#191c2b; --sub:#7b8296;
  --line:#ecedf5; --brand:#5468ff; --brand-d:#3a4ae0; --violet:#8b5cf6;
  --good:#0ea472; --warn:#b45309; --chip:#eef0ff;
  --shadow:0 4px 20px rgba(40,50,110,.07); --shadow-hover:0 10px 30px rgba(70,80,180,.16);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Pretendard",-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.75;letter-spacing:-.01em;-webkit-text-size-adjust:100%;
  -webkit-font-smoothing:antialiased}
.wrap{max-width:740px;margin:0 auto;padding:0 16px}
a{color:var(--brand)}

/* 상단 내비 (프로스티드) */
.topnav{background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.topnav .wrap{display:flex;align-items:center;gap:8px;height:58px;overflow-x:auto;white-space:nowrap;
  scrollbar-width:none}
.topnav .wrap::-webkit-scrollbar{display:none}
.topnav .logo{font-weight:800;font-size:16px;text-decoration:none;flex:0 0 auto;margin-right:6px;
  background:linear-gradient(135deg,var(--brand),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.topnav a.nav{font-size:13.5px;color:var(--sub);text-decoration:none;font-weight:600;flex:0 0 auto;
  padding:7px 12px;border-radius:999px;transition:.15s}
.topnav a.nav:hover{color:var(--brand-d);background:var(--chip)}

/* 히어로 (플로팅 그라디언트 패널) */
header.hero{background:none;padding:0}
header.hero .wrap{background:linear-gradient(135deg,#5468ff 0%,#7c5cff 55%,#9d6bff 100%);
  color:#fff;padding:34px 26px;margin:18px auto 0;border-radius:24px;max-width:740px;
  box-shadow:0 14px 40px rgba(90,80,220,.28);position:relative;overflow:hidden}
header.hero .wrap::after{content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%);border-radius:50%}
header.hero h1{font-size:26px;font-weight:800;letter-spacing:-.6px;position:relative}
header.hero p{margin-top:10px;font-size:15px;opacity:.95;position:relative;font-weight:500}

main{padding:8px 0 44px}
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:24px;margin:16px 0;box-shadow:var(--shadow)}
h2{font-size:20px;font-weight:800;margin:2px 0 16px;letter-spacing:-.5px}
h3{font-size:16.5px;font-weight:700;margin:20px 0 8px;color:#2a2e42}
p{font-size:15px;color:#464b60;margin:9px 0}
small,.muted{color:var(--sub);font-size:13px}

/* 토글 */
.toggle{display:flex;gap:8px;margin-bottom:18px;background:#f4f5fb;padding:5px;border-radius:14px}
.toggle button{flex:1;min-width:90px;padding:11px;border:none;background:transparent;border-radius:10px;
  font-size:14px;font-weight:700;color:var(--sub);cursor:pointer;transition:.18s;font-family:inherit}
.toggle button.on{background:#fff;color:var(--brand-d);box-shadow:0 2px 8px rgba(60,70,160,.12)}

/* 입력 */
.field{margin:16px 0}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:7px;color:#2a2e42}
.inp{position:relative}
.inp input,.inp select,textarea{width:100%;padding:15px 46px 15px 15px;font-size:17px;border:1.5px solid var(--line);
  border-radius:13px;font-weight:700;color:var(--ink);outline:none;background:#fbfcff;appearance:none;
  transition:.15s;font-family:inherit}
.inp input:focus,.inp select:focus,textarea:focus{border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(84,104,255,.13)}
.inp .unit{position:absolute;right:15px;top:50%;transform:translateY(-50%);color:var(--sub);font-size:15px;font-weight:700}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row .field{flex:1;min-width:130px}
.hint{font-size:12.5px;color:var(--sub);margin-top:6px}
.btn{width:100%;padding:16px;background:linear-gradient(135deg,var(--brand),#6f5cff);color:#fff;border:none;
  border-radius:14px;font-size:17px;font-weight:800;cursor:pointer;margin-top:8px;font-family:inherit;
  box-shadow:0 8px 20px rgba(84,104,255,.28);transition:.15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(84,104,255,.36)}
.btn:active{transform:translateY(0)}

/* 결과 */
.result{margin-top:22px;padding:24px;background:linear-gradient(150deg,#f0f3ff,#f6f0ff);
  border:1px solid #e4e6ff;border-radius:18px;text-align:center;display:none}
.result.show{display:block;animation:pop .3s ease}
@keyframes pop{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.result .lbl{font-size:14px;color:var(--sub);font-weight:700}
.result .big{font-size:38px;font-weight:800;letter-spacing:-1.2px;margin:6px 0;
  background:linear-gradient(135deg,var(--brand-d),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.result .yr{font-size:14px;color:#464b60;margin-top:2px;font-weight:500}
.bd{margin-top:20px;border-top:1px dashed #dfe1ef;padding-top:16px;text-align:left}
.bd table{width:100%;border-collapse:collapse;font-size:14px}
.bd td{padding:10px 4px;border-bottom:1px solid #eef0f6;color:#464b60}
.bd td:last-child{text-align:right;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
.bd .ded td:last-child{color:#e0405e}
.bd .net td{font-weight:800;font-size:15px;border-bottom:none;padding-top:14px;color:var(--ink)}
.bd .net td:last-child{color:var(--good)}

.adslot{margin:18px 0;padding:16px;border:1px dashed #d6d9e8;border-radius:14px;
  text-align:center;color:#a6abbe;font-size:13px;background:#fafbff}

/* 표 */
.tbl{width:100%;border-collapse:collapse;font-size:14px;margin:12px 0;overflow:hidden;border-radius:12px}
.tbl th,.tbl td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line)}
.tbl th{background:var(--chip);font-weight:700;color:var(--brand-d)}
.tbl tr:last-child td{border-bottom:none}
.tbl td.num{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}

.faq dt{font-weight:700;margin-top:16px;font-size:15px;color:#2a2e42}
.faq dd{margin:6px 0 0;color:#464b60;font-size:14px}
.note{background:#fff8ec;border:1px solid #ffe6b8;border-radius:12px;padding:14px 16px;font-size:13.5px;color:#8a5a09;margin-top:16px;line-height:1.7}
.note.info{background:#f2f4ff;border-color:#e0e4ff;color:#3f4668}
footer{text-align:center;padding:28px 16px 44px;color:var(--sub);font-size:13px;line-height:1.7}
footer a{color:var(--sub);font-weight:600}

/* 허브 그리드 */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:4px}
.grid a{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 16px;
  text-decoration:none;color:var(--ink);transition:.18s}
.grid a:hover{border-color:#c9cffb;box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.grid .ic{width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-size:25px;
  background:linear-gradient(135deg,#eef0ff,#f3edff);border-radius:14px}
.grid .nm{font-weight:800;font-size:15px;margin-top:12px;color:var(--ink)}
.grid .ds{font-size:12.5px;color:var(--sub);margin-top:4px;line-height:1.5}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chips a{font-size:13px;background:var(--chip);color:var(--brand-d);padding:8px 14px;border-radius:999px;
  text-decoration:none;font-weight:600;transition:.15s}
.chips a:hover{background:#e2e6ff;transform:translateY(-1px)}
@media(max-width:380px){.grid{grid-template-columns:1fr}}