/* =========================================================
   공통 헤더 드롭다운 · 모바일 메뉴
   ========================================================= */
.sm-gnb{list-style:none;height:100%;align-items:stretch}
.sm-gnb > li{position:relative;display:flex;align-items:center}
.sm-gnb > li.on > a{color:var(--teal)}
.sm-drop{list-style:none;position:absolute;top:100%;left:50%;transform:translate(-50%,8px);min-width:170px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:0 16px 40px rgba(19,41,75,.12);opacity:0;visibility:hidden;transition:.2s}
.sm-gnb > li:hover .sm-drop{opacity:1;visibility:visible;transform:translate(-50%,0)}
.sm-drop a{display:block;padding:9px 14px;border-radius:8px;font-size:15px;font-weight:500;color:var(--body);white-space:nowrap}
.sm-drop a:hover{background:var(--teal-soft);color:var(--teal)}
.sm-burger{display:none;background:none;border:0;color:var(--navy);cursor:pointer}

/* =========================================================
   서브페이지 레이아웃
   ========================================================= */
.sm-subhero{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--navy-deep) 0%,var(--navy) 55%,#1f4a6e 100%);color:#fff;text-align:center;padding:76px 0 84px}
.sm-subhero::before{content:"";position:absolute;right:-120px;top:-160px;width:520px;height:520px;border-radius:50%;border:70px solid rgba(255,255,255,.04)}
.sm-subhero::after{content:"";position:absolute;left:-80px;bottom:-200px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(47,138,150,.35),transparent 70%)}
.sm-subhero .sm-wrap{position:relative;z-index:1}
.sm-crumb{display:flex;justify-content:center;align-items:center;gap:10px;font-size:14px;color:#aebdd0;margin-bottom:22px}
.sm-crumb a{display:flex;color:#fff}
.sm-crumb i{font-style:normal;font-size:10px;opacity:.6}
.sm-crumb b{color:#8fd0d8;font-weight:600}
.sm-subhero-en{display:block;font-size:13px;letter-spacing:.24em;color:#8fb3c4;margin-bottom:10px}
.sm-subhero h1.sm-subhero-title{font-size:46px;font-weight:700;letter-spacing:-.02em;color:#fff;line-height:1.3}
.sm-subhero p{margin-top:16px;font-size:16.5px;color:#bccadb}

.sm-sub-layout{display:grid;grid-template-columns:220px 1fr;gap:64px;padding-top:72px;align-items:start}
.sm-lnb{position:sticky;top:110px;background:var(--navy);border-radius:20px;padding:22px 14px 14px;color:#fff}
.sm-lnb-hd{font-size:19px;font-weight:700;padding:0 10px 16px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:8px}
.sm-lnb ul{list-style:none}
.sm-lnb li a{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-radius:10px;font-size:15px;color:#c6d1df}
.sm-lnb li a:hover{color:#fff}
.sm-lnb li.on a{background:var(--teal);color:#fff;font-weight:700}
.sm-lnb li.on a::after{content:"";width:5px;height:5px;border-radius:50%;background:#fff}
.sm-lnb-call{display:block;margin-top:14px;padding:16px 14px;border-radius:12px;background:rgba(255,255,255,.07);font-size:18px;font-weight:700;color:#fff}
.sm-lnb-call small{display:block;font-size:12px;font-weight:500;color:#8fd0d8;margin-bottom:2px}
.sm-content{min-width:0}

/* =========================================================
   콘텐츠 컴포넌트 (c-*)
   ========================================================= */
.c-hero-img{border-radius:24px;overflow:hidden;aspect-ratio:16/7;background:#e3e8ee}
.c-hero-img img{width:100%;height:100%;object-fit:cover}
.c-lead{text-align:center;padding:34px 0 10px}
.c-lead::before{content:"";display:block;width:1px;height:46px;margin:0 auto 20px;background:var(--teal)}
.c-lead p{font-size:23px;font-weight:500;line-height:1.6;color:var(--ink)}
.c-lead p em{font-style:normal;color:var(--teal);font-weight:700}

.c-box{display:flex;gap:30px;align-items:center;margin-top:46px;padding:36px 40px;background:var(--bg-alt);border-radius:22px}
.c-box-ico{flex:none;width:96px;height:96px;border-radius:50%;background:#fff;display:grid;place-items:center;color:var(--teal);box-shadow:0 6px 18px rgba(19,41,75,.06)}
.c-box-ico svg{width:40px;height:40px}
.c-box h3{font-size:22px;font-weight:700;color:var(--navy);margin-bottom:8px}
.c-box p{font-size:16px;color:var(--body);line-height:1.8}

h3.c-title{display:flex;align-items:center;gap:10px;margin:76px 0 24px;font-size:26px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
h3.c-title::before{content:"";width:10px;height:10px;background:var(--gold);transform:rotate(45deg);flex:none}
.c-desc{font-size:16.5px;color:var(--body);line-height:1.85;margin-bottom:22px}
.c-title + .c-desc{margin-top:-10px}
.c-desc b{color:var(--navy)}

.c-table-wrap{overflow-x:auto}
.c-table{width:100%;border-collapse:collapse;border-top:2px solid var(--navy);font-size:15.5px}
.c-table thead th{background:var(--teal);color:#fff;font-weight:600;padding:14px 16px;border-right:1px solid rgba(255,255,255,.2)}
.c-table thead th:last-child{border-right:0}
.c-table td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--body);line-height:1.6}
.c-table tbody th{background:var(--bg-alt);color:var(--ink);font-weight:700;padding:15px 16px;border-bottom:1px solid var(--line);width:22%}
.c-table td.c-num{text-align:right;font-weight:600;color:var(--ink);white-space:nowrap}
.c-table.center td{text-align:center}

.c-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.c-cards.col3{grid-template-columns:repeat(3,1fr)}
.c-card{border:1px solid var(--line);border-radius:18px;padding:28px 28px 26px;background:#fff}
.c-card .lab{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--teal)}
.c-card h4{font-size:20px;font-weight:700;color:var(--ink);margin:8px 0 10px}
.c-card p{font-size:15px;color:var(--body);line-height:1.75}
.c-card .c-list{margin-top:10px}
.c-card.navy{background:var(--navy);border-color:var(--navy)}
.c-card.navy h4{color:#fff}
.c-card.navy p,.c-card.navy li{color:#c6d1df}
.c-card.navy .lab{color:#8fd0d8}
.c-card.navy .c-list li::before{background:#8fd0d8}
.c-card-img{padding:0;overflow:hidden}
.c-card-img img{width:100%;aspect-ratio:3/2;object-fit:cover}
.c-card-img .in{padding:22px 24px 24px}

.c-list{list-style:none}
.c-list li{position:relative;padding-left:18px;margin:7px 0;font-size:15.5px;color:var(--body);line-height:1.7}
.c-list li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--teal)}
.c-list li b{color:var(--ink)}
.c-list.cols{columns:2;column-gap:40px}

.c-steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:st}
.c-steps.col3{grid-template-columns:repeat(3,1fr)}
.c-steps li{position:relative;counter-increment:st;background:var(--bg-alt);border-radius:18px;padding:58px 22px 24px}
.c-steps li::before{content:"STEP " counter(st,decimal-leading-zero);position:absolute;top:22px;left:22px;font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--teal)}
.c-steps li h4{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:8px}
.c-steps li p{font-size:14.5px;color:var(--body);line-height:1.7}

.c-note{margin-top:22px;padding:22px 26px;border-radius:14px;background:#faf7f0;border-left:4px solid var(--gold);font-size:15px;color:#5d5443;line-height:1.8}
.c-note b{color:#3f3726}

.c-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px}
.c-stat{text-align:center;padding:28px 10px;border-radius:18px;border:1px solid var(--line)}
.c-stat b{display:block;font-size:38px;font-weight:700;color:var(--navy);letter-spacing:-.02em;line-height:1.1}
.c-stat b small{font-size:17px;font-weight:600;margin-left:2px}
.c-stat span{display:block;margin-top:8px;font-size:14px;color:var(--muted)}

.c-timeline{list-style:none;border-left:2px solid var(--line);margin-left:8px}
.c-timeline li{position:relative;padding:0 0 26px 30px}
.c-timeline li::before{content:"";position:absolute;left:-8px;top:6px;width:14px;height:14px;box-sizing:border-box;border-radius:50%;background:#fff;border:3px solid var(--teal)}
.c-timeline b{display:block;font-size:17px;color:var(--navy);margin-bottom:2px}
.c-timeline span{font-size:15.5px;color:var(--body)}

details.c-acc{border:1px solid var(--line);border-radius:14px;margin-bottom:12px;background:#fff;overflow:hidden}
details.c-acc summary{list-style:none;cursor:pointer;padding:20px 24px;font-size:17px;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:16px}
details.c-acc summary::-webkit-details-marker{display:none}
details.c-acc summary::after{content:"+";font-size:24px;font-weight:300;color:var(--teal)}
details.c-acc[open] summary::after{content:"−"}
details.c-acc[open] summary{border-bottom:1px solid var(--line)}
details.c-acc .in{padding:20px 24px 24px;font-size:15.5px;color:var(--body);line-height:1.8}

.c-tab-btns{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.c-tab-btns button{padding:11px 22px;border-radius:30px;border:1px solid var(--line);background:#fff;font:inherit;font-size:15px;font-weight:600;color:var(--body);cursor:pointer}
.c-tab-btns button.on{background:var(--navy);border-color:var(--navy);color:#fff}
.c-tab-pane{display:none}
.c-tab-pane.on{display:block;animation:smFade .4s ease}

.c-cta{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:80px;padding:36px 42px;border-radius:22px;background:linear-gradient(110deg,var(--navy) 0%,#1f4a6e 100%);color:#fff}
.c-cta h4{font-size:22px;font-weight:700;color:#fff}
.c-cta p{font-size:15px;color:#bccadb;margin-top:4px}
.c-cta a{flex:none;padding:15px 28px;border-radius:40px;background:#fff;color:var(--navy);font-weight:700;font-size:18px}

.c-split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.c-split img{border-radius:20px;width:100%;aspect-ratio:3/2;object-fit:cover}
.c-replace{display:inline-block;padding:1px 8px;border-radius:6px;background:#fff3cd;color:#8a6d00;font-size:.9em;font-weight:600}

/* 갤러리 */
.c-filter{display:flex;gap:8px;margin-bottom:24px}
.c-gal{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.c-gal figure{border-radius:16px;overflow:hidden;cursor:zoom-in;background:#fff;border:1px solid var(--line)}
.c-gal figure.hide{display:none}
.c-gal figure > div{overflow:hidden}
.c-gal img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .4s}
.c-gal figure:hover img{transform:scale(1.05)}
.c-gal figcaption{padding:13px 16px;font-size:15px;color:var(--ink);font-weight:600}
.c-gal figcaption span{color:var(--teal);font-size:12px;font-weight:800;margin-right:8px}
.c-lightbox{position:fixed;inset:0;z-index:200;background:rgba(10,20,36,.9);display:none;align-items:center;justify-content:center;padding:30px;cursor:zoom-out}
.c-lightbox.on{display:flex}
.c-lightbox img{max-width:min(1000px,100%);max-height:80vh;border-radius:12px}
.c-lightbox p{position:absolute;bottom:30px;left:0;right:0;text-align:center;color:#fff;font-size:16px}

/* 공지 리스트 */
.c-board{width:100%;border-collapse:collapse;border-top:2px solid var(--navy)}
.c-board th{padding:14px;font-size:14.5px;color:var(--muted);font-weight:600;border-bottom:1px solid var(--line)}
.c-board td{padding:17px 14px;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--body)}
.c-board td.t{color:var(--ink)}
.c-board td.n,.c-board td.d{text-align:center;color:var(--muted);font-size:14px;white-space:nowrap}
.c-badge{display:inline-block;padding:2px 9px;border-radius:5px;background:var(--teal);color:#fff;font-size:12px;font-weight:700;margin-right:8px}

@media (max-width:1024px){
  .sm-gnb{display:none}
  .sm-burger{display:block}
  .sm-header .sm-tel{display:none}
  .sm-header.open .sm-gnb{display:flex;flex-direction:column;gap:0;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 24px 20px;height:auto}
  .sm-header.open .sm-gnb > li{display:block;padding:10px 0;border-bottom:1px solid var(--line)}
  .sm-header.open .sm-drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:6px 0 0;display:flex;flex-wrap:wrap;gap:4px}
  .sm-sub-layout{grid-template-columns:minmax(0,1fr);gap:30px}
  .sm-lnb{position:static;padding:10px;min-width:0}
  .sm-lnb-hd,.sm-lnb-call{display:none}
  .sm-lnb ul{display:flex;gap:6px;overflow-x:auto}
  .sm-lnb li a{white-space:nowrap}
  .c-steps{grid-template-columns:repeat(2,1fr)}
  .c-cards.col3,.c-gal{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .sm-subhero{padding:54px 0 58px}
  .sm-subhero h1.sm-subhero-title{font-size:32px}
  .sm-subhero p{font-size:14.5px}
  .sm-sub-layout{padding-top:30px}
  .c-hero-img{aspect-ratio:16/10}
  .c-lead p{font-size:18px}
  .c-box{flex-direction:column;text-align:center;padding:30px 22px}
  h3.c-title{font-size:22px;margin-top:56px}
  .c-cards,.c-cards.col3,.c-steps,.c-steps.col3,.c-split,.c-gal{grid-template-columns:1fr}
  .c-stats{grid-template-columns:1fr 1fr}
  .c-stat b{font-size:30px}
  .c-list.cols{columns:1}
  .c-cta{flex-direction:column;align-items:flex-start;padding:30px 24px}
  .c-table{font-size:14px}
  .c-table thead th,.c-table td,.c-table tbody th{padding:12px 10px}
  .c-board .n{display:none}
}
.c-board td.c-empty{text-align:center;padding:80px 14px;color:var(--muted)}
.c-stat b em{font-style:normal}