:root{
  --navy:#0b1f5c; --blue:#1746c8; --sky:#18a8f0; --ink:#13203f; --muted:#5b6785;
  --line:#e3e8f3; --bg:#ffffff; --soft:#f4f7fc;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans KR',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;word-break:keep-all}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:34px;width:auto}
.brand span{font-weight:700;font-size:15px;color:var(--navy)}
nav ul{display:flex;gap:30px;list-style:none}
nav a{font-size:15px;font-weight:500;color:var(--ink)}
nav a:hover{color:var(--blue)}
.menu-btn{display:none;background:none;border:0;font-size:26px;color:var(--navy);cursor:pointer}

/* hero */
.hero{background:linear-gradient(135deg,#071647 0%,#0e2f8f 55%,#1458d6 100%);color:#fff;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;padding-top:80px;padding-bottom:80px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.18em;color:#8fd3ff;font-weight:700;margin-bottom:18px}
.hero h1{font-size:46px;line-height:1.3;font-weight:900;margin-bottom:22px}
.hero h1 em{font-style:normal;color:#5cc8ff}
.hero p{font-size:17px;color:#d3defa;margin-bottom:34px;max-width:520px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 26px;border-radius:8px;font-weight:700;font-size:15px}
.btn-primary{background:#fff;color:var(--navy)}
.btn-ghost{border:1px solid rgba(255,255,255,.5);color:#fff}
.mosaic{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.mosaic img{border-radius:12px;aspect-ratio:2/3;object-fit:cover;box-shadow:0 18px 40px rgba(0,0,0,.35)}
.mosaic img:nth-child(2){transform:translateY(-28px)}

/* sections */
section{padding:96px 0}
.sec-head{text-align:center;margin-bottom:56px}
.sec-head .eyebrow{color:var(--blue);margin-bottom:10px}
.sec-head h2{font-size:34px;font-weight:900;color:var(--navy);line-height:1.35}
.sec-head p{color:var(--muted);margin-top:14px;font-size:16px}

/* about */
.about .wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.about-img{border-radius:16px;overflow:hidden;aspect-ratio:4/5;max-height:560px}
.about-img img{width:100%;height:100%;object-fit:cover}
.about h2{font-size:32px;font-weight:900;color:var(--navy);line-height:1.4;margin-bottom:22px}
.about p{color:var(--muted);font-size:16px;margin-bottom:16px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.stat{background:var(--soft);border-radius:12px;padding:20px 16px;text-align:center}
.stat b{display:block;font-size:26px;color:var(--blue);font-weight:900}
.stat span{font-size:13px;color:var(--muted)}

/* business */
.business{background:var(--soft)}
.biz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 4px 18px rgba(16,40,110,.07);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(16,40,110,.14)}
.card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.card div{padding:20px 20px 24px}
.card small{color:var(--sky);font-weight:700;font-size:12px;letter-spacing:.1em}
.card h3{font-size:18px;color:var(--navy);margin:4px 0 8px}
.card p{font-size:14px;color:var(--muted);line-height:1.65}

/* vision */
.vision{position:relative;color:#fff;padding:120px 0;background:#0a1d5a}
.vision::before{content:"";position:absolute;inset:0;background:url(/img/p10.webp) center/cover;opacity:.28}
.vision .wrap{position:relative;text-align:center}
.vision h2{font-size:36px;font-weight:900;line-height:1.4;margin-bottom:18px}
.vision p{color:#cfdbfb;max-width:640px;margin:0 auto 44px}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:900px;margin:0 auto}
.value{border:1px solid rgba(255,255,255,.25);border-radius:14px;padding:28px 20px;background:rgba(255,255,255,.06)}
.value b{display:block;font-size:22px;margin-bottom:6px;color:#7fd2ff}
.value span{font-size:14px;color:#dbe4fb}

/* company info */
.info-table{width:100%;max-width:880px;margin:0 auto;border-collapse:collapse;border-top:2px solid var(--navy)}
.info-table th,.info-table td{padding:18px 20px;border-bottom:1px solid var(--line);text-align:left;font-size:15px;vertical-align:top}
.info-table th{width:180px;background:var(--soft);color:var(--navy);font-weight:700}

/* contact */
.contact{background:var(--soft)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:980px;margin:0 auto}
.contact-box{background:#fff;border-radius:14px;padding:34px}
.contact-box h3{color:var(--navy);font-size:20px;margin-bottom:18px}
.contact-box dl{display:grid;grid-template-columns:70px 1fr;gap:12px 10px;font-size:15px}
.contact-box dt{color:var(--muted)}
.contact-box dd a{color:var(--blue);font-weight:500}
.map{border-radius:14px;overflow:hidden;min-height:300px;background:#dfe6f3}
.map iframe{width:100%;height:100%;min-height:300px;border:0}

/* footer */
footer{background:#071233;color:#9aa8c9;padding:44px 0;font-size:13px}
footer .wrap{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
footer .f-logo{background:#fff;border-radius:8px;padding:8px 12px;display:inline-block;margin-bottom:14px}
footer .f-logo img{height:28px}
footer p{line-height:1.9}

@media (max-width:960px){
  .hero .wrap,.about .wrap,.contact-grid{grid-template-columns:1fr}
  .biz-grid{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:36px}
  .about-img{max-height:420px;aspect-ratio:16/10}
}
@media (max-width:720px){
  nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line)}
  nav.open{display:block}
  nav ul{flex-direction:column;gap:0;padding:8px 20px}
  nav li a{display:block;padding:12px 0}
  .menu-btn{display:block}
  .brand span{display:none}
  section{padding:72px 0}
  .hero .wrap{padding-top:56px;padding-bottom:64px}
  .hero h1{font-size:30px}
  .sec-head h2,.about h2,.vision h2{font-size:26px}
  .mosaic img:nth-child(2){transform:translateY(-14px)}
  .biz-grid,.values{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(3,1fr);gap:8px}
  .stat b{font-size:20px}
  .info-table th{width:96px;padding:14px 12px}
  .info-table td{padding:14px 12px}
  .contact-box{padding:26px 20px}
}

/* membership layout */
.utilbar{background:#071233;color:#b8c5e4;font-size:13px}
.utilbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:36px}
#util{display:flex;gap:16px;align-items:center}
#util a,#util button{color:#fff;background:none;border:0;font:inherit;cursor:pointer}
header{position:sticky}
nav ul{gap:24px}
.is-guest .member-only,.is-guest .member-block,.is-guest .member-grid,.is-guest .member-promo{display:none}
.is-member .guest-only,.is-member .guest-grid,.is-member .guest-promo{display:none}
.is-member .btns.member-block{display:flex}
.btn{border:0;cursor:pointer;font-family:inherit}
.btn-ghost{border:1px solid rgba(255,255,255,.5)}
.btn-blue{background:var(--blue);color:#fff}
.btn-line{background:#fff;border:1px solid var(--line);color:var(--navy)}
.btns.center{justify-content:center}
.btns.top{margin-top:32px}
.link{color:var(--blue);font-weight:500}
.quick-wrap{position:relative;margin-top:-34px;z-index:2}
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.quick a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:0 8px 24px rgba(16,40,110,.08)}
.quick a:hover{border-color:var(--blue)}
.quick b{display:block;color:var(--navy);font-size:17px}
.quick span{font-size:13px;color:var(--muted)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.panel-head h3,.panel h3{color:var(--navy);font-size:19px}
.panel-head a{font-size:13px;color:var(--muted)}
.promo ul{margin:14px 0 20px 18px;color:var(--muted);font-size:15px}
.welcome{padding:40px 0;background:var(--soft)}
.welcome h2{color:var(--navy);font-size:26px;margin-bottom:18px}
.list{list-style:none;border-top:1px solid var(--line)}
.list li{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:14px 4px;border-bottom:1px solid var(--line)}
.list li>a{display:flex;align-items:center;gap:8px;min-width:0;flex:1}
.list .tt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.list time{font-size:13px;color:var(--muted);flex:none}
.list li.empty,p.empty{color:var(--muted);justify-content:center;text-align:center;padding:32px 0}
.list li.stack{display:block}
.list li.stack>div{display:flex;gap:8px;align-items:center;margin-bottom:6px}
.list li.stack time{margin-left:auto}
.list li.stack p{white-space:pre-wrap;font-size:14px;margin-top:4px}
.list li.stack textarea{margin:10px 0}
.answer{background:var(--soft);padding:10px 12px;border-radius:8px}
.tag{flex:none;background:#e8efff;color:var(--blue);font-size:12px;font-weight:700;padding:2px 8px;border-radius:6px}
.subhead{background:linear-gradient(135deg,#071647,#0e2f8f 60%,#1458d6);color:#fff;padding:56px 0}
.subhead .eyebrow{margin-bottom:8px}
.subhead h1{font-size:34px;font-weight:900}
.subhead p{color:#d3defa;margin-top:6px}
.form{display:flex;flex-direction:column;gap:16px;max-width:560px}
.form.wide{max-width:760px;margin:0 auto 40px;width:100%}
.form.auth{max-width:440px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px}
.form h1{font-size:26px;color:var(--navy);text-align:center}
.form label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:500}
.form label.check{flex-direction:row;align-items:flex-start;font-weight:400;gap:8px}
.check input{margin-top:5px;flex:none}
input:not([type=checkbox]),select,textarea{width:100%;padding:12px;border:1px solid #cfd8ea;border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--blue);outline-offset:-1px}
input:disabled{background:var(--soft);color:var(--muted)}
.msg{font-size:14px;padding:10px 12px;border-radius:8px;margin-bottom:8px}
.msg.err{background:#fdecec;color:#b42318}
.msg.ok{background:#e7f6ec;color:#17693a}
.auth-links{display:flex;justify-content:center;gap:16px;font-size:14px;color:var(--muted)}
.text-btn{background:none;border:0;color:var(--muted);font:inherit;font-size:14px;cursor:pointer;text-decoration:underline}
.gate{text-align:center;padding:64px 20px;background:var(--soft);border-radius:14px}
.gate h2{color:var(--navy);font-size:24px}
.gate p{color:var(--muted);margin:8px 0 24px}
.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;color:var(--muted);font-size:14px}
.read{margin-bottom:32px}
.read h2{color:var(--navy);font-size:26px;margin:8px 0 4px}
.meta{font-size:13px;color:var(--muted)}
.read .body{white-space:pre-wrap;padding:24px 0;margin:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow-wrap:anywhere}
.comments{list-style:none;margin:12px 0}
.comments li{padding:12px 0;border-bottom:1px solid var(--line);white-space:pre-wrap;overflow-wrap:anywhere}
.comment-form{display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.notice-bar{display:flex;justify-content:space-between;align-items:center;gap:14px;background:#fff7e6;border:1px solid #f5dfa8;border-radius:10px;padding:14px 16px;margin-bottom:18px;font-size:14px}
#mypage-box .quick{grid-template-columns:repeat(3,1fr)}
#mypage-box h3,#admin-box h3,#board-box>h3{color:var(--navy);margin:8px 0 12px}
#mypage-box .text-btn{margin-top:28px}
.doc{max-width:820px;margin:0 auto}
.doc h2{font-size:19px;color:var(--navy);margin:26px 0 8px}
.doc ul{margin-left:20px}
.doc .meta{margin-top:28px}
.f-links{text-align:right}
.f-links a{margin-left:14px;color:#cdd6ec}
.f-links p{margin-top:10px}
@media (max-width:960px){.quick,.two{grid-template-columns:1fr 1fr}.two{grid-template-columns:1fr}nav ul{gap:14px}nav a{font-size:14px}}
@media (max-width:860px){
  nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line)}
  nav.open{display:block}
  nav ul{flex-direction:column;gap:0;padding:8px 20px}
  nav li a{display:block;padding:12px 0}
  .menu-btn{display:block}
  header{z-index:60}
  header .wrap{position:relative}
}
@media (max-width:720px){
  .quick,#mypage-box .quick{grid-template-columns:1fr 1fr}
  .subhead{padding:40px 0}.subhead h1{font-size:26px}
  .f-links{text-align:left}.f-links a{margin:0 14px 0 0}
  .list li{align-items:flex-start;flex-direction:column;gap:4px}
  .list li>a{width:100%}
  .notice-bar{flex-direction:column;align-items:flex-start}
  .utilbar .wrap>span{display:none}.utilbar .wrap{justify-content:flex-end}
}