:root{
  --sea-1:#0d6ea8;
  --sea-2:#0a4f7c;
  --sea-3:#e6f4fb;
  --text:#16232b;
  --muted:#516472;
  --border:#d7e7f0;
  --bg:#ffffff;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Noto Sans KR',sans-serif;color:var(--text);background:var(--bg);line-height:1.75;word-break:keep-all}
img{max-width:100%;display:block}
.wrap{max-width:980px;margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.4;margin:0 0 .5em}

.topbar{background:var(--sea-2);color:#fff;font-size:13px;padding:9px 20px}
.topbar-in{max-width:980px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.topbar a{color:#dff0fb;text-decoration:none}
.topbar nav{display:flex;gap:16px}
.topbar .brand{font-weight:700;color:#fff}

.hero{position:relative;background:linear-gradient(160deg,var(--sea-1) 0%,var(--sea-2) 70%);color:#fff;padding:60px 20px 90px;text-align:center;overflow:hidden}
.hero::before{content:"";position:absolute;top:-40px;right:-40px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.08)}
.hero::after{content:"";position:absolute;bottom:60px;left:-60px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.06)}
.hero h1{font-size:clamp(26px,4.6vw,38px);font-weight:800;position:relative;z-index:2}
.hero .lead{max-width:720px;margin:14px auto 0;font-size:clamp(15px,2.2vw,17px);opacity:.96;position:relative;z-index:2}
.wave{display:block;position:relative;margin-top:-6px}
.wave svg{display:block;width:100%;height:70px}

main{padding-top:8px}
section.block{padding:44px 0}
section.block h2{font-size:clamp(20px,3.2vw,26px);color:var(--sea-2);border-left:5px solid var(--sea-1);padding-left:14px}
section.block p{color:var(--text)}
section.block.alt{background:var(--sea-3)}

table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px}
caption{text-align:left;font-weight:700;margin-bottom:8px;color:var(--sea-2)}
th,td{border:1px solid var(--border);padding:10px 12px;text-align:left}
th{background:#eef7fc;color:var(--sea-2)}

.tier-list{list-style:none;margin:18px 0;padding:0;display:grid;gap:14px}
.tier-list li{background:#fff;border:1px solid var(--border);border-left:5px solid var(--sea-1);border-radius:8px;padding:16px 20px}
.tier-list strong{color:var(--sea-2)}

.photo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:20px 0}
.photo-grid figure{margin:0}
.photo-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:8px;border:1px solid var(--border)}
.photo-grid figcaption{font-size:12.5px;color:var(--muted);text-align:center;margin-top:6px}

.faq-item{border-bottom:1px solid var(--border);padding:18px 0}
.faq-item h3{font-size:17px;color:var(--sea-2)}
.faq-item p{margin:0;color:var(--text)}

.related{background:var(--sea-3)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.related-grid a{display:block;background:#fff;border:1px solid var(--border);border-radius:8px;padding:16px 18px;text-decoration:none;color:var(--sea-2);font-weight:700;font-size:14.5px}
.related-grid a:hover{border-color:var(--sea-1)}

.cta{background:linear-gradient(160deg,var(--sea-1),var(--sea-2));color:#fff;text-align:center;padding:48px 20px}
.cta h2{color:#fff}
.cta p{opacity:.95}
.cta-buttons{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:20px}
.btn{display:inline-block;padding:14px 28px;border-radius:8px;font-weight:700;text-decoration:none;font-size:16px}
.btn-primary{background:#fff;color:var(--sea-2)}
.btn-secondary{background:transparent;color:#fff;border:2px solid #fff}

.modified{text-align:center;font-size:12.5px;color:var(--muted);padding:16px 20px 0}

footer{background:#0a2130;color:#c7d9e3;font-size:13px;padding:14px 20px;text-align:center;display:flex;flex-wrap:wrap;justify-content:center;gap:6px 20px}
footer a{color:#8fc7ea}

@media (max-width:640px){
  .photo-grid{grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:1fr}
  .topbar-in{justify-content:center;text-align:center}
}