:root{--bg:#f7f9fc;--card:#fff;--text:#111827;--muted:#64748b;--line:#e2e8f0;--blue:#2563eb;--blue2:#1d4ed8;--green:#0f766e;--orange:#c2410c;--soft:#eff6ff;--shadow:0 12px 34px rgba(15,23,42,.075);--radius:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Apple SD Gothic Neo","Noto Sans KR",sans-serif;line-height:1.65;letter-spacing:-.02em}a{color:inherit}.wrap{max-width:920px;margin:0 auto;padding:0 22px}.topbar{background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.topbar .inner{height:66px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.04em;text-decoration:none}.logo{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#111827;color:#fff;font-size:13px}.brand b{color:var(--blue)}.nav{display:flex;gap:18px;font-size:14px;color:var(--muted)}.nav a{text-decoration:none}.nav a:hover{color:var(--text)}
.crumb{font-size:13px;color:var(--muted);padding-top:18px}.crumb a{text-decoration:none}.hero{padding:56px 0 34px;text-align:center}.hero.compact{padding-bottom:24px}.eyebrow{display:inline-flex;align-items:center;gap:7px;padding:7px 11px;border:1px solid #dbeafe;background:#eff6ff;color:#1d4ed8;border-radius:999px;font-size:13px;font-weight:800}.hero h1{font-size:clamp(34px,6vw,52px);line-height:1.15;margin:18px auto 14px;letter-spacing:-.055em;max-width:820px}.hero .display{font-size:clamp(30px,5vw,46px);font-weight:900;line-height:1.2;letter-spacing:-.05em;margin:16px auto 10px}.lead{max-width:720px;margin:0 auto;color:#475569;font-size:17px}.quick{display:flex;justify-content:center;gap:9px;flex-wrap:wrap;margin-top:20px;color:#475569;font-size:13px}.quick span{padding:7px 10px;background:#fff;border:1px solid var(--line);border-radius:999px}
.section{padding:20px 0 42px}.section h2{font-size:25px;letter-spacing:-.045em;margin:0 0 8px}.section> .wrap > p.desc,.desc{margin:0 0 16px;color:var(--muted)}.grid,.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.card,.tool{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 8px 24px rgba(15,23,42,.04)}.tool{display:flex;flex-direction:column;min-height:250px}.tool h3,.card h3{margin:0 0 7px;font-size:20px;letter-spacing:-.04em}.tool p,.card p{margin:0;color:var(--muted);font-size:14px}.tool p{flex:1}.icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-weight:900;background:#eff6ff;color:#1d4ed8;margin-bottom:14px;font-size:16px}.tool:nth-child(2) .icon,.icon.green{background:#ecfdf5;color:#047857}.tool:nth-child(3) .icon,.icon.orange{background:#fff7ed;color:#c2410c}.badges{display:flex;gap:6px;flex-wrap:wrap;margin:14px 0}.badge{font-size:11px;font-weight:800;background:#f1f5f9;color:#475569;padding:5px 7px;border-radius:8px}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:800;border-radius:12px;padding:12px 15px;background:var(--blue);color:#fff;transition:.18s ease}.btn:hover{background:var(--blue2);transform:translateY(-1px)}.btn.secondary{background:#fff;color:var(--blue);border:1px solid #bfd0fa}.btn-row{display:flex;gap:10px;flex-wrap:wrap}.panel,.lead-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.lead-card{max-width:760px;margin:24px auto 0;text-align:left;background:linear-gradient(135deg,#fff 0%,#f8fbff 100%);border-color:#dbe5fa}.lead-card h2{margin:0 0 7px}.lead-card .btn-row{margin-top:16px}.updated{font-size:12px;color:var(--muted);margin-top:12px;font-weight:700}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}.step{border:1px solid var(--line);border-radius:14px;padding:16px;background:#fbfdff}.num{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:9px;background:#111827;color:#fff;font-size:13px;font-weight:900;margin-bottom:8px}.step b{display:block;margin-bottom:4px}.step span{font-size:13px;color:var(--muted)}.compare-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;background:#fff}.compare{border-collapse:collapse;width:100%;min-width:640px}.compare th,.compare td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);font-size:14px}.compare th{background:#f8fafc;font-size:13px;color:#475569}.compare tr:last-child td{border-bottom:0}.notice{border-left:4px solid #f59e0b;background:#fffbeb;padding:16px 18px;border-radius:12px;color:#713f12;font-size:14px}.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px 17px;margin-top:9px}.faq summary{cursor:pointer;font-weight:800}.faq details p{margin:9px 0 0;color:var(--muted);font-size:14px}.tool-link{text-decoration:none;display:block;transition:.18s ease}.tool-link:hover{transform:translateY(-2px);border-color:#c7d7fb}.kicker{display:inline-block;margin-top:14px;color:var(--blue);font-weight:800;font-size:13px}.soon{opacity:.72}.hub-note{display:grid;grid-template-columns:1fr 1fr;gap:14px}.footer{border-top:1px solid var(--line);padding:30px 0 48px;color:var(--muted);font-size:12px}
@media(max-width:760px){.grid,.tool-grid,.steps,.hub-note{grid-template-columns:1fr}.nav{display:none}.hero{padding-top:40px}.lead{font-size:16px}.wrap{padding-left:16px;padding-right:16px}.tool{min-height:auto}.lead-card{text-align:center}.lead-card .btn-row{justify-content:center}.compare-wrap{margin-left:0;margin-right:0}}

/* v2.2 hub polish: restore the cleaner original composition while keeping SEO-first hierarchy */
.hub-hero{padding:64px 0 38px}
.hub-hero h1{font-size:clamp(34px,4.8vw,48px);max-width:880px;line-height:1.13;margin:18px auto 10px}
.hub-hero .display{font-size:clamp(24px,3.2vw,32px);font-weight:850;line-height:1.25;margin:8px auto 12px;letter-spacing:-.045em}
.hub-hero .lead{max-width:700px;font-size:16px}
.hub-tools{padding-top:30px}
.featured-tool{position:relative;border-color:#cfe0ff;box-shadow:0 14px 34px rgba(37,99,235,.10);background:linear-gradient(180deg,#fff 0%,#fbfdff 100%)}
.featured-tool:hover{box-shadow:0 18px 42px rgba(37,99,235,.14)}
.status-pill{position:absolute;top:20px;right:20px;font-size:11px;font-weight:900;padding:5px 8px;border-radius:999px;background:#e8f1ff;color:#1d4ed8;border:1px solid #d5e3ff}
.status-pill.muted{background:#f1f5f9;color:#94a3b8;border-color:#e2e8f0}
.soon{opacity:.50;filter:saturate(.55);box-shadow:none}
.muted-text{color:#94a3b8!important}
.lead-card{text-align:center}
.lead-card .btn-row{justify-content:center}
.lead-card .updated{text-align:right;margin-top:14px}
@media(max-width:760px){
  .hub-hero{padding-top:42px}
  .hub-hero h1{font-size:clamp(32px,10vw,42px)}
  .hub-hero .display{font-size:24px}
  .status-pill{top:18px;right:18px}
  .lead-card .updated{text-align:center}
}


/* v2.3 additional utility pages */
.direction-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}
.direction{display:flex;align-items:center;justify-content:space-between;gap:14px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px;text-decoration:none;transition:.18s ease}
.direction:hover{transform:translateY(-2px);border-color:#c7d7fb;box-shadow:0 10px 28px rgba(37,99,235,.08)}
.direction strong{display:block;font-size:16px;letter-spacing:-.035em}.direction small{display:block;color:var(--muted);margin-top:3px}.arrow{font-weight:900;color:var(--blue);font-size:18px}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.related-card{display:block;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.related-card:hover{border-color:#c7d7fb}.related-card b{display:block;margin-bottom:4px}.related-card span{font-size:13px;color:var(--muted)}
@media(max-width:760px){.direction-grid,.related-grid{grid-template-columns:1fr}}


/* v2.4 PDF specialist hub */
.tool-section{padding:12px 0 34px}.tool-section+.tool-section{padding-top:2px}
.tool-section-head{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:14px}.tool-section-head p{margin:0;color:var(--muted);font-size:14px}
.mini-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.mini-card{position:relative;display:block;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:17px;padding:18px;min-height:166px;transition:.18s ease;box-shadow:0 5px 18px rgba(15,23,42,.035)}
.mini-card:hover{transform:translateY(-2px);border-color:#bfd0fa;box-shadow:0 12px 28px rgba(37,99,235,.08)}.mini-card h3{font-size:16px;line-height:1.35;margin:12px 0 6px;letter-spacing:-.035em}.mini-card p{font-size:12.5px;line-height:1.55;color:var(--muted);margin:0}.mini-icon{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#eff6ff;color:#1d4ed8;font-size:12px;font-weight:900}.mini-icon.green{background:#ecfdf5;color:#047857}.mini-icon.orange{background:#fff7ed;color:#c2410c}.mini-icon.purple{background:#f5f3ff;color:#7c3aed}.mini-icon.slate{background:#f1f5f9;color:#334155}.mini-arrow{position:absolute;right:16px;bottom:14px;color:#94a3b8;font-weight:900}
.tool-hero-note{max-width:760px;margin:18px auto 0;padding:12px 16px;border-radius:14px;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:13px}
.site-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.site-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;min-height:250px}.site-card h3{margin:0 0 7px;font-size:19px}.site-card p{color:var(--muted);font-size:14px;margin:0 0 14px;flex:1}.site-card .btn{width:100%}
.intent-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.intent-box h2{margin-top:0}.intent-points{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}.intent-point{background:#f8fafc;border:1px solid var(--line);border-radius:13px;padding:14px}.intent-point b{display:block;margin-bottom:4px}.intent-point span{font-size:13px;color:var(--muted)}
@media(max-width:920px){.mini-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.mini-grid,.site-grid,.intent-points{grid-template-columns:1fr}.mini-card{min-height:auto}.tool-section-head{display:block}.tool-section-head p{margin-top:4px}}