:root{
  --ground:#F3F5F9;
  --surface:#FFFFFF;
  --surface-2:#F7F8FC;
  --ink:#0D1220;
  --ink-soft:#5A6270;
  --ink-faint:#8A93A2;
  --line:#E4E7F0;
  --line-strong:#D2D7E4;
  --primary:#1B4DFF;
  --primary-deep:#1139C9;
  --primary-tint:#E9EDFF;
  --price:#E23217;
  --price-tint:#FDECE8;
  --ok:#0F9D58;
  --radius:12px;
  --maxw:1160px;
  --shadow-sm:0 1px 2px rgba(13,18,32,.06);
  --shadow:0 2px 8px rgba(13,18,32,.06),0 12px 32px rgba(13,18,32,.08);
  --font:"IBM Plex Sans KR",-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,monospace;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ground:#0B0E15;
    --surface:#131826;
    --surface-2:#1A2032;
    --ink:#EEF1F7;
    --ink-soft:#A3ABBB;
    --ink-faint:#727C8E;
    --line:#262D3F;
    --line-strong:#333B50;
    --primary:#6E8CFF;
    --primary-deep:#A7B8FF;
    --primary-tint:#1B2444;
    --price:#FF7A5F;
    --price-tint:#3A1B14;
    --ok:#3FC77E;
    --shadow-sm:0 1px 2px rgba(0,0,0,.4);
    --shadow:0 2px 8px rgba(0,0,0,.4),0 14px 36px rgba(0,0,0,.45);
  }
}
:root[data-theme="dark"]{
  --ground:#0B0E15;--surface:#131826;--surface-2:#1A2032;--ink:#EEF1F7;--ink-soft:#A3ABBB;--ink-faint:#727C8E;
  --line:#262D3F;--line-strong:#333B50;--primary:#6E8CFF;--primary-deep:#A7B8FF;--primary-tint:#1B2444;
  --price:#FF7A5F;--price-tint:#3A1B14;--ok:#3FC77E;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);--shadow:0 2px 8px rgba(0,0,0,.4),0 14px 36px rgba(0,0,0,.45);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--font);line-height:1.6;letter-spacing:-.01em;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.02em;text-wrap:balance}
p{margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:3px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-family:var(--font);font-weight:700;font-size:14px;border-radius:8px;padding:10px 16px;text-decoration:none;border:1px solid transparent;cursor:pointer;letter-spacing:-.01em;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-deep)}
.btn-outline{background:var(--surface);border-color:var(--line-strong);color:var(--ink)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-lg{padding:14px 24px;font-size:15.5px;border-radius:9px}
.btn-block{width:100%}

/* header */
header.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--surface) 90%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.top .row{display:flex;align-items:center;gap:24px;height:62px}
.logo{display:flex;flex-direction:column;line-height:1.1;text-decoration:none;white-space:nowrap}
.logo b{font-size:18px;font-weight:800;letter-spacing:-.03em}
.logo b i{font-style:normal;color:var(--primary)}
.logo span{font-size:11px;color:var(--ink-faint);font-weight:600;letter-spacing:.01em}
nav.menu{display:flex;gap:22px;font-size:14px;font-weight:600}
nav.menu a{text-decoration:none;color:var(--ink-soft);padding:19px 0;border-bottom:2px solid transparent}
nav.menu a:hover{color:var(--ink);border-color:var(--primary)}
.top-actions{margin-left:auto;display:flex;gap:10px;align-items:center}

section{padding:52px 0;border-bottom:1px solid var(--line)}
.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--primary);background:var(--primary-tint);padding:4px 9px;border-radius:5px;margin-bottom:14px}
.h2{font-size:24px;margin-bottom:8px}
.sub{color:var(--ink-soft);font-size:15.5px;max-width:62ch}

/* hero */
.hero{background:var(--surface);border-bottom:1px solid var(--line);padding-top:0;padding-bottom:0}
.hero .grid{display:grid;grid-template-columns:1fr 400px;gap:40px;align-items:center;padding:44px 0}
.hero h1{font-size:clamp(26px,3.8vw,40px);font-weight:800;letter-spacing:-.03em}
.hero h1 mark{background:linear-gradient(transparent 60%,var(--primary-tint) 0);color:inherit;padding:0 2px}
.hero .sub{margin:16px 0 24px;font-size:16.5px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.hero-note{margin-top:18px;font-size:13px;color:var(--ink-faint);display:flex;gap:16px;flex-wrap:wrap}
.hero-note b{color:var(--ink-soft)}

/* compare card */
.cmp{background:var(--surface);border:1px solid var(--line-strong);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.cmp .cmp-h{padding:14px 16px;border-bottom:1px solid var(--line);font-size:13.5px;font-weight:700;display:flex;justify-content:space-between;align-items:center}
.cmp .cmp-h .m{color:var(--ink-faint);font-weight:600;font-size:12px}
.cmp-row{display:flex;align-items:center;gap:12px;padding:13px 16px;border-bottom:1px solid var(--line)}
.cmp-row .ch{font-size:13px;color:var(--ink-soft);flex:1}
.cmp-row .pr{font-family:var(--mono);font-weight:600;font-size:15px}
.cmp-row.best{background:var(--price-tint)}
.cmp-row.best .pr{color:var(--price)}
.tag{font-size:10.5px;font-weight:800;letter-spacing:.02em;padding:2px 6px;border-radius:4px;background:var(--price);color:#fff}
.cmp .cmp-f{padding:14px 16px}

/* category strip */
.cats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.cat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-decoration:none;transition:border-color .15s,transform .15s}
.cat:hover{border-color:var(--primary);transform:translateY(-2px)}
.cat b{display:block;font-size:15px;font-weight:700;margin-bottom:3px}
.cat span{font-size:12px;color:var(--ink-faint)}
.cat.catimg{display:flex;gap:12px;align-items:center}
.cat-thumb{width:44px;height:44px;flex:0 0 44px;border-radius:8px;background:var(--surface-2);padding:4px}
.cat .ct{min-width:0}
.cat .ct b{margin-bottom:2px}

/* model thumbnail in tables */
.mcell{display:flex;align-items:center;gap:9px}
.mthumb{width:34px;height:34px;flex:0 0 34px;border-radius:6px;background:var(--surface-2);padding:3px}
.tw a{color:inherit;text-decoration:none}
.tw a:hover{color:var(--primary);text-decoration:underline}
td.mono a{color:var(--ink-soft)}

/* detail page header with illustration */
.dhead{display:flex;gap:18px;align-items:flex-start}
.dhead-img{width:88px;height:88px;flex:0 0 88px;border-radius:12px;background:var(--surface-2);padding:8px}
.dhead>div{min-width:0}

/* table */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:13.5px;min-width:640px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
thead th{background:var(--surface-2);font-size:12px;font-weight:700;color:var(--ink-soft);white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
td.num{font-family:var(--mono);font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
td.mono{white-space:nowrap}
.strike{color:var(--ink-faint);text-decoration:line-through;font-size:12px}
.save{color:var(--price);font-weight:700}
.pill{display:inline-block;font-size:11px;font-weight:700;padding:2px 7px;border-radius:999px;background:var(--primary-tint);color:var(--primary-deep)}

/* reasons */
.reasons{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.reason{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.reason .n{font-family:var(--mono);font-size:12px;font-weight:600;color:var(--primary);margin-bottom:8px}
.reason b{display:block;font-size:15px;margin-bottom:5px}
.reason p{font-size:13px;color:var(--ink-soft)}

/* faq */
.faq{display:flex;flex-direction:column;gap:8px}
details{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:2px 16px}
details[open]{border-color:var(--primary)}
summary{cursor:pointer;list-style:none;padding:14px 0;font-weight:700;font-size:14.5px;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--primary);font-family:var(--mono);font-size:17px;line-height:1}
details[open] summary::after{content:"\2212"}
details .a{padding:0 0 15px;color:var(--ink-soft);font-size:14px}

/* hub */
.hub{background:var(--surface-2)}
.hubg{display:grid;grid-template-columns:repeat(4,1fr);gap:24px 20px}
.hubg h4{font-size:13px;margin-bottom:9px;color:var(--ink)}
.hubg ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px}
.hubg a{font-size:12.5px;color:var(--ink-soft);text-decoration:none}
.hubg a:hover{color:var(--primary);text-decoration:underline}

/* detail */
.crumb{font-size:12px;color:var(--ink-faint);margin-bottom:14px}
.crumb a{text-decoration:none}
.detail h1{font-size:clamp(23px,3.2vw,32px);font-weight:800}
.meta{font-size:12px;color:var(--ink-faint);margin-top:10px;display:flex;gap:12px;flex-wrap:wrap}
.twocol{display:grid;grid-template-columns:1fr 300px;gap:36px;align-items:start}
.twocol>*{min-width:0}
.hero .grid>*{min-width:0}
.summary{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line-strong);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.summary div{padding:14px 16px}
.summary div+div{border-left:1px solid var(--line)}
.summary dt{font-size:11.5px;font-weight:700;color:var(--ink-faint);margin-bottom:5px}
.summary dd{margin:0;font-size:14px;font-weight:600}
.summary dd.big{font-family:var(--mono);color:var(--price);font-size:15px}
.prose h2{font-size:19px;margin:30px 0 10px}
.prose h2:first-child{margin-top:0}
.prose p{margin:0 0 12px;font-size:14.5px}
.relkw{display:flex;flex-wrap:wrap;gap:7px}
.relkw a{font-size:12px;text-decoration:none;border:1px solid var(--line-strong);border-radius:999px;padding:5px 11px;color:var(--ink-soft)}
.relkw a:hover{border-color:var(--primary);color:var(--primary)}
.sidecta{position:sticky;top:150px;background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm)}
.sidecta b{font-size:14px}
.sidecta p{font-size:12.5px;color:var(--ink-soft);margin:6px 0 13px}
.sidecta ul{margin:12px 0 0;padding-left:16px;font-size:12px;color:var(--ink-soft)}

/* fixed bottom cta */
.fixcta{position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--surface);border-top:1px solid var(--line-strong);box-shadow:0 -4px 20px rgba(13,18,32,.1)}
.fixcta .row{display:flex;align-items:center;gap:14px;padding:11px 0}
.fixcta .t{font-size:13px;line-height:1.3}
.fixcta .t b{display:block;font-size:14.5px;font-weight:800}
.fixcta .t b em{font-style:normal;font-family:var(--mono);color:var(--price)}
.fixcta .t span{color:var(--ink-faint)}
.fixcta .btn{margin-left:auto;white-space:nowrap;padding:13px 24px;font-size:15px}
.has-fixcta{padding-bottom:84px}

/* footer */
footer.site{background:var(--surface);border-top:1px solid var(--line-strong)}
footer.site .wrap{padding:34px 20px 40px}
.foot-top{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--line)}
.foot-links{display:flex;gap:18px;font-size:12.5px;flex-wrap:wrap}
.foot-links a{text-decoration:none;color:var(--ink-soft)}
.foot-links a:hover{color:var(--ink)}
.biz{margin-top:18px;font-size:11.5px;line-height:1.8;color:var(--ink-faint)}

@media (max-width:940px){
  header.top .row{height:auto;flex-wrap:wrap;padding:10px 0;gap:10px 14px}
  nav.menu{order:10;width:100%;overflow-x:auto;gap:18px;padding:6px 0 2px;border-top:1px solid var(--line);-webkit-overflow-scrolling:touch}
  nav.menu a{padding:6px 0;font-size:13px;white-space:nowrap}
  .top-actions{margin-left:auto}
  .hero .grid,.twocol{grid-template-columns:1fr}
  .cats{grid-template-columns:1fr 1fr}
  .reasons,.hubg{grid-template-columns:1fr 1fr}
  .summary{grid-template-columns:1fr 1fr}
  .summary div:nth-child(3){border-left:0}
  .sidecta{position:static}
}
@media (max-width:560px){
  .cats,.reasons,.hubg,.summary{grid-template-columns:1fr}
  .summary div+div{border-left:0;border-top:1px solid var(--line)}
  .hero .grid{padding:32px 0}
  .fixcta .t span{display:none}
  .top-actions .btn-outline{display:none}
}

/* 모바일: 전체 가운데 정렬 (표는 데이터 정렬 유지) */
@media (max-width:640px){
  main, .wrap, .detail .wrap, .prose,
  .hero .grid > div:first-child{ text-align:center; }
  .prose p{ text-align:center; }
  .hero-actions, .hero-note{ justify-content:center; }
  .eyebrow{ display:inline-block; }
  .crumb, .meta{ justify-content:center; display:flex; flex-wrap:wrap; }
  .sub{ margin-left:auto; margin-right:auto; }
  .reason .n{ display:block; }
  .summary dt, .summary dd{ text-align:center; }
  .relkw{ justify-content:center; }
  .sidecta ul{ display:inline-block; text-align:left; }
  .hubg ul{ align-items:center; }
  .faq summary{ justify-content:center; text-align:center; gap:8px; }
  .dhead{ flex-direction:column; align-items:center; text-align:center; }
  .dhead-img{ flex-basis:auto; }
  .mcell{ justify-content:center; }
  .cat.catimg{ flex-direction:column; text-align:center; }
  .cat.catimg .cat-thumb{ flex-basis:auto; }
  .fixcta .row{ flex-direction:column; gap:8px; }
  .fixcta .t{ text-align:center; }
  .fixcta .btn{ margin-left:0; width:100%; }
  body.has-fixcta{ padding-bottom:120px; }
  /* 표 안 숫자·셀 정렬은 그대로 */
  .tw, table, th, td{ text-align:left; }
  td.num{ text-align:right; }
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}