*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --grad:linear-gradient(135deg,#2554E0 0%,#7B2FF7 38%,#E1306C 70%,#FF8A3D 100%);
  --blue:#2554E0;--navy:#131B3A;--mint:#2BD9A0;--dark:#1B1B22;--gray:#686878;
  --gray-light:#F7F8FB;--gray-border:#E6E8F0;--blue-light:#EAF0FF;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Pretendard','Apple SD Gothic Neo','Noto Sans KR',sans-serif;color:var(--dark);background:#fff;line-height:1.75;word-break:keep-all;overflow-wrap:break-word}
a{color:var(--blue)}
img,svg{display:block;max-width:100%}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--gray-border);padding:.8rem 5%}
.site-head .in{max-width:64rem;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.site-head .logo img{height:40px;width:auto}
.site-head nav{display:flex;gap:1.6rem;align-items:center}
.site-head nav a{font-size:.86rem;font-weight:700;color:var(--gray);text-decoration:none}
.site-head nav a:hover{color:var(--blue)}
.site-head .cta{background:var(--grad);color:#fff !important;padding:.55rem 1.1rem;border-radius:8px}

/* layout */
main{max-width:46rem;margin:0 auto;padding:2.2rem 5% 3.5rem}
.crumbs{font-size:.78rem;color:var(--gray);margin-bottom:1.2rem}
.crumbs a{color:var(--gray);text-decoration:none}
.crumbs a:hover{color:var(--blue)}
.crumbs span{margin:0 .35rem}
h1{font-size:clamp(1.55rem,4.2vw,2.1rem);font-weight:800;line-height:1.4;letter-spacing:-.01em;color:var(--navy)}
.summary{background:var(--blue-light);border-left:4px solid var(--blue);border-radius:.6rem;padding:1rem 1.2rem;margin:1.3rem 0 .4rem;font-size:.97rem;line-height:1.8;color:#1d2a55}
.summary b{display:block;font-size:.76rem;color:var(--blue);letter-spacing:.04em;margin-bottom:.25rem}
.meta{font-size:.76rem;color:var(--gray);margin-top:.7rem}
h2{font-size:1.25rem;font-weight:800;margin:2.4rem 0 .7rem;color:var(--navy);letter-spacing:-.01em}
h3{font-size:1.02rem;font-weight:800;margin:1.4rem 0 .4rem}
p{margin:.7rem 0;font-size:.97rem;color:#33343f}
ul,ol{margin:.7rem 0 .7rem 1.25rem;font-size:.97rem;color:#33343f}
li{margin:.35rem 0}
strong{color:var(--dark)}
.note{background:#FFF7E0;border:1px solid #FFE08A;border-radius:.7rem;padding:.85rem 1.1rem;font-size:.88rem;color:#6B5200;margin:1.2rem 0}
dl.defs{margin:.9rem 0}
dl.defs dt{font-weight:800;margin-top:.8rem;color:var(--navy)}
dl.defs dd{margin:.15rem 0 0;font-size:.95rem;color:#33343f}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:.9rem;margin:1rem 0}
.card{display:block;border:1.5px solid var(--gray-border);border-radius:1rem;padding:1.1rem 1.2rem;text-decoration:none;color:inherit;transition:all .2s;background:#fff}
.card:hover{border-color:var(--blue);box-shadow:0 .8rem 2rem rgba(37,84,224,.1);transform:translateY(-2px)}
.card b{display:block;font-size:1rem;color:var(--navy);margin-bottom:.3rem}
.card span{display:block;font-size:.85rem;color:var(--gray);line-height:1.65}
.card em{display:inline-block;font-style:normal;font-size:.78rem;font-weight:800;color:var(--blue);margin-top:.5rem}

/* faq */
.faq details{border:1.5px solid var(--gray-border);border-radius:.9rem;margin:.6rem 0;background:#fff;overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:.95rem 1.1rem;font-weight:800;font-size:.95rem;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--blue);font-size:1.25rem;line-height:1}
.faq details[open] summary::after{content:'\2013'}
.faq .a{padding:0 1.1rem 1rem;font-size:.9rem;color:var(--gray);line-height:1.8}

/* cta + related */
.cta-box{background:var(--navy);color:#fff;border-radius:1.1rem;padding:1.6rem 1.5rem;margin:2.6rem 0 1rem;text-align:center}
.cta-box h2{color:#fff;margin:0 0 .4rem;font-size:1.15rem}
.cta-box p{color:#B9C2E8;font-size:.9rem;margin:.3rem 0 1rem}
.btn{display:inline-block;background:var(--grad);color:#fff;font-weight:800;font-size:.95rem;padding:.8rem 1.6rem;border-radius:10px;text-decoration:none}
.btn:hover{filter:brightness(1.08)}
.related h2{margin-top:2rem}
.related ul{list-style:none;margin:.5rem 0;padding:0}
.related li a{display:block;padding:.6rem .1rem;border-bottom:1px solid var(--gray-border);text-decoration:none;font-weight:700;font-size:.93rem}
.related li a small{display:block;font-weight:400;color:var(--gray);font-size:.8rem}

/* footer */
.site-foot{background:var(--navy);color:#9AA3C7;padding:2.6rem 5% 1.8rem;font-size:.78rem;line-height:1.95;text-align:center}
.site-foot .links{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;justify-content:center;margin-bottom:1.1rem;max-width:56rem;margin-left:auto;margin-right:auto}
.site-foot .links a{color:#B9C2E8;text-decoration:none;font-weight:700}
.site-foot .links a:hover{color:#fff}
.site-foot .biz{border-top:1px solid rgba(255,255,255,.1);padding-top:1.1rem;color:#6B7399;font-size:.72rem;line-height:2}
.site-foot img{height:34px;width:auto;margin:0 auto .9rem}
.float{position:fixed;right:1.2rem;bottom:1.2rem;z-index:60;background:#FAE100;color:#3A1D1D;font-weight:800;font-size:.84rem;padding:.75rem 1.2rem;border-radius:50px;text-decoration:none;box-shadow:0 .4rem 1.4rem rgba(0,0,0,.2)}

@media(max-width:640px){
  .site-head nav a:not(.cta){display:none}
  main{padding:1.6rem 6% 3rem}
  .float span{display:none}
}