:root{--navy:#163b61;--teal:#07919a;--ink:#243547;--muted:#6d7d8b;--tint:#f3f8fc;--line:#dce8ef;--white:#fff;--footer:#0c3157;--shadow:0 8px 28px rgba(18,55,86,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}a{color:inherit;text-decoration:none}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.site-header{position:absolute;z-index:50;top:0;left:0;right:0;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.55)}.header-inner{height:82px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:10px;align-items:center}.brand-mark{font-size:34px;color:var(--teal);transform:rotate(-8deg);line-height:1}.brand-text{display:flex;flex-direction:column;line-height:1.15}.brand-text strong{color:var(--navy);font-size:18px}.brand-text small{font-size:10px;color:#778896;margin-top:4px}.custom-logo{max-height:58px;width:auto}.nav-list{display:flex;list-style:none;gap:42px;margin:0;padding:0}.nav-list a{color:var(--navy);font-weight:700;font-size:15px}.menu-toggle{display:none;border:0;background:none;font-size:26px;color:var(--navy)}
.hero{position:relative;min-height:690px;display:flex;align-items:center;background:linear-gradient(125deg,#375842 0%,#1e4c57 40%,#19374f 100%);background-size:cover;background-position:center;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 30%,rgba(255,255,255,.2),transparent 28%),linear-gradient(to bottom,rgba(11,48,55,.05),rgba(5,28,34,.25))}.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,25,31,.65) 0%,rgba(6,25,31,.34) 45%,rgba(6,25,31,.08) 100%)}.hero-content{position:relative;z-index:2;padding-top:80px;color:white}.hero h1{font-size:clamp(36px,4.5vw,58px);line-height:1.22;margin:0 0 20px;letter-spacing:-.03em;max-width:760px}.hero p{font-size:19px;margin:0 0 28px;color:#edf5f6}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--teal);color:white;padding:14px 26px;border-radius:6px;font-weight:700;border:0}.down{position:absolute;z-index:2;bottom:28px;left:50%;transform:translateX(-50%);width:44px;height:44px;border:2px solid white;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:28px}.section{padding:72px 0}.tint{background:var(--tint)}.section h2{text-align:center;color:var(--navy);font-size:32px;margin:0}.title-line{width:44px;height:3px;background:var(--teal);margin:10px auto 34px;border-radius:3px}.section-kicker{color:var(--navy);font-size:26px;font-weight:800;position:relative;margin-bottom:24px}.section-kicker:after{content:"";width:36px;height:3px;background:var(--teal);position:absolute;left:0;bottom:-9px}.about-grid{display:grid;grid-template-columns:1.05fr 1.95fr;gap:50px;align-items:center}.lead{font-weight:600}.muted{color:var(--muted);font-size:14px}.stats{display:grid;grid-template-columns:repeat(4,1fr)}.stat{text-align:center;padding:0 20px;border-left:1px solid var(--line)}.stat:first-child{border-left:0}.stat span{display:block;color:var(--navy);font-size:29px}.stat strong{display:block;color:var(--teal);font-size:34px;line-height:1.25;margin-top:8px}.stat small{color:#657685}.cards{display:grid;gap:20px}.cards.four{grid-template-columns:repeat(4,1fr)}.cards.three{grid-template-columns:repeat(3,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:9px;overflow:hidden;box-shadow:var(--shadow);text-align:center;padding-bottom:22px}.thumb{height:180px;background-size:cover;background-position:center}.thumb.river,.thumb.stream{background:linear-gradient(145deg,#254f58,#76a87b 52%,#c9d7c0)}.thumb.habitat{background:linear-gradient(145deg,#63896d,#c6d7b8 50%,#7ba0ad)}.thumb.lab,.thumb.dna{background:linear-gradient(145deg,#d9eef0,#86b5bd 50%,#ecf7f6)}.thumb.gis{background:linear-gradient(145deg,#abc8d6,#e4e0a5 48%,#8ba9b9)}.thumb.fish{background:linear-gradient(145deg,#285746,#86a75c,#c4d4a5)}.circle{width:68px;height:68px;border-radius:50%;background:white;border:1px solid var(--line);margin:-34px auto 10px;position:relative;display:grid;place-items:center;color:var(--navy);font-size:29px}.card h3{font-size:17px;color:var(--navy);margin:8px 18px}.card p{font-size:13px;color:var(--muted);margin:0 18px}.project-panel{display:grid;grid-template-columns:1fr 265px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}.project-main{display:grid;grid-template-columns:1.15fr 1fr}.project-copy{padding:30px}.project-copy h3{color:var(--navy);font-size:26px;line-height:1.3;margin-top:0}.project-copy dl{margin:20px 0}.project-copy dt{color:var(--teal);font-size:13px;font-weight:800}.project-copy dd{margin:0 0 10px;font-weight:600}.progress-label{display:flex;justify-content:space-between;color:var(--teal);font-size:13px}.progress{height:8px;background:#e8eef2;border-radius:9px;overflow:hidden}.progress i{display:block;height:100%;background:var(--teal);border-radius:9px}.checklist{list-style:none;padding:0;font-size:13px}.checklist li{margin:8px 0}.checklist li:before{content:"✓";color:var(--teal);font-weight:900;margin-right:7px}.map-art{position:relative;min-height:420px;background:radial-gradient(circle at 55% 45%,#d8eef0 0 25%,#eef7f8 26% 50%,#fff 51%);display:grid;place-items:center;color:#7897a4}.map-art:before{content:"";position:absolute;width:70%;height:78%;border:1px solid #bdd9df;border-radius:45% 55% 38% 62% / 50% 42% 58% 50%;background:rgba(199,230,233,.3)}.map-art .river-line{position:absolute;width:60%;height:140px;border:5px solid #57a9d4;border-color:#57a9d4 transparent transparent transparent;border-radius:50%;transform:rotate(28deg)}.map-art span{z-index:1;font-weight:800;color:var(--navy)}.map-art small{position:absolute;bottom:28px}.related{border-left:1px solid var(--line);padding:24px}.related h4{color:var(--navy);margin-top:0}.related-card{height:150px;border-radius:8px;padding:18px;color:white;display:flex;flex-direction:column;justify-content:flex-end;margin-bottom:15px;background:linear-gradient(to top,rgba(12,48,57,.78),rgba(23,97,84,.05)),linear-gradient(145deg,#557b66,#b8c8a0)}.related-card.alt{background:linear-gradient(to top,rgba(12,48,57,.78),rgba(23,97,84,.05)),linear-gradient(145deg,#608b7c,#ced8b7)}.related-card small{margin-top:10px}.process-row{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr auto 1fr;align-items:center;gap:16px}.step{text-align:center}.step i{font-style:normal;width:100px;height:100px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;margin:0 auto 18px;color:var(--navy);font-size:40px}.step b{display:block;color:var(--teal)}.step p{font-size:12px;color:var(--muted)}.process-row em{font-size:38px;color:#b8c8d4;font-style:normal}.filters{text-align:center;margin:-10px 0 30px}.filters span{display:inline-block;padding:5px 18px;border:1px solid var(--line);background:white;border-radius:20px;font-size:12px;margin:0 3px}.filters .active{background:var(--teal);color:white;border-color:var(--teal)}.result-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:28px}.subhead{font-size:17px;color:var(--navy);margin:0 0 14px}.compact .thumb{height:140px}.compact .card{text-align:left}.compact .card small{padding:0 15px;color:#8a99a5}.report-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.report{min-height:220px;background:white;border:1px solid var(--line);border-radius:7px;padding:16px;display:flex;flex-direction:column;box-shadow:var(--shadow)}.report b{font-size:13px;line-height:1.4;color:var(--navy)}.report span{margin-top:auto;font-weight:800}.report small{color:#93a0aa}.lower-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:26px;margin-top:36px}.gallery-art{height:300px;border-radius:8px;background:linear-gradient(to top,rgba(8,39,35,.18),transparent),linear-gradient(145deg,#345a48,#8a9f66 50%,#bfd0ab)}.news article{display:grid;grid-template-columns:100px 1fr;gap:14px;margin-bottom:14px}.news-thumb{height:74px;border-radius:5px;background:linear-gradient(145deg,#5c8474,#b6c59e)}.news-thumb.labn{background:linear-gradient(145deg,#b4d4d8,#758fa0)}.news-thumb.field{background:linear-gradient(145deg,#6d8d79,#c7cba1)}.news b{font-size:13px;color:var(--navy)}.news small{display:block;color:#8c9aa5;font-size:11px}.news p{font-size:11px;color:#778793;margin:3px 0 0}.contact{padding:58px 0;background:linear-gradient(110deg,#0b8f98,#067b84);color:white;position:relative;overflow:hidden}.contact:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 120%,rgba(255,255,255,.14),transparent 40%)}.contact-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:70px}.contact h2{font-size:31px;margin-top:0}.contact p{color:#e4f5f5}.contact-list{list-style:none;padding:0}.contact-list li{margin:10px 0}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}.contact-form label{display:grid;grid-template-columns:85px 1fr;align-items:center;font-size:13px}.contact-form label:nth-of-type(4){grid-column:1/-1}.contact-form input,.contact-form textarea{width:100%;padding:11px;border:1px solid rgba(255,255,255,.45);background:rgba(0,73,80,.22);color:white;border-radius:4px}.contact-form input::placeholder,.contact-form textarea::placeholder{color:#c9e8e9}.contact-form .btn{grid-column:1/-1}.btn.light{background:white;color:var(--teal)}.contact-form>small{grid-column:1/-1;color:#cbe7e8}.site-footer{background:var(--footer);color:#d7e5ef;padding:30px 0;font-size:12px}.footer-inner{display:grid;grid-template-columns:1fr 2fr auto;gap:30px;align-items:center}.footer-brandline{display:flex;align-items:center;gap:8px;color:white;font-size:17px}.footer-brand small{display:block;margin-left:40px}.footer-meta{line-height:1.8}.site-footer a{color:white;text-decoration:underline}
@media(max-width:900px){.nav-list{gap:20px}.cards.four{grid-template-columns:repeat(2,1fr)}.about-grid,.project-main,.result-grid,.lower-grid,.contact-grid{grid-template-columns:1fr}.project-panel{grid-template-columns:1fr}.related{border-left:0;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:12px}.related h4{grid-column:1/-1}.process-row{grid-template-columns:repeat(5,1fr)}.process-row em{display:none}.step i{width:80px;height:80px}.footer-inner{grid-template-columns:1fr}}
@media(max-width:680px){.wrap{width:min(100% - 30px,1180px)}.site-header{position:absolute}.header-inner{height:70px}.site-nav{display:none;position:absolute;top:70px;left:0;right:0;background:white;padding:16px 20px}.site-nav.open{display:block}.nav-list{flex-direction:column;gap:8px}.nav-list a{display:block;padding:10px 0}.menu-toggle{display:block}.hero{min-height:620px}.hero-content{padding-top:70px}.hero h1{font-size:35px}.hero p{font-size:15px}.section{padding:52px 0}.section h2{font-size:27px}.about-grid{gap:25px}.stats{grid-template-columns:1fr 1fr}.stat{padding:18px 8px;border-top:1px solid var(--line)}.stat:nth-child(odd){border-left:0}.cards.four,.cards.three{grid-template-columns:1fr}.project-copy h3{font-size:22px}.map-art{min-height:300px}.related{grid-template-columns:1fr}.process-row{grid-template-columns:1fr 1fr;gap:24px}.step p{font-size:11px}.report-row{grid-template-columns:1fr}.report{min-height:130px}.news article{grid-template-columns:84px 1fr}.gallery-art{height:230px}.contact-form{grid-template-columns:1fr}.contact-form label{grid-template-columns:1fr}.contact-form label:nth-of-type(4),.contact-form .btn,.contact-form>small{grid-column:auto}.footer-inner{grid-template-columns:1fr;gap:14px}.footer-brand small{margin-left:0}}

/* ===== v1.1 드롭다운 하위메뉴 ===== */
.nav-list>li{position:relative}
.nav-list>li>a{display:flex;align-items:center;gap:6px;padding:29px 0;white-space:nowrap}
.nav-list>.menu-item-has-children>a:after,.nav-list>.has-submenu>a:after{content:"⌄";font-size:12px;color:var(--teal);line-height:1;transition:transform .2s ease}
.nav-list>.menu-item-has-children:hover>a:after,.nav-list>.menu-item-has-children:focus-within>a:after,.nav-list>.has-submenu:hover>a:after,.nav-list>.has-submenu:focus-within>a:after{transform:rotate(180deg)}
.sub-menu{position:absolute;z-index:80;top:calc(100% - 7px);left:50%;transform:translate(-50%,10px);min-width:225px;margin:0;padding:9px;list-style:none;background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:10px;box-shadow:0 16px 38px rgba(18,55,86,.16);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease,transform .18s ease,visibility .18s ease}
.sub-menu:before{content:"";position:absolute;top:-7px;left:50%;width:12px;height:12px;background:#fff;border-left:1px solid var(--line);border-top:1px solid var(--line);transform:translateX(-50%) rotate(45deg)}
.nav-list li:hover>.sub-menu,.nav-list li:focus-within>.sub-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.sub-menu li{position:relative}
.sub-menu a{display:block;padding:10px 12px;border-radius:7px;color:#314b65;font-weight:650;font-size:14px;line-height:1.4;white-space:nowrap}
.sub-menu a:hover,.sub-menu a:focus{background:#eef8f9;color:var(--teal)}
.submenu-toggle{display:none}

/* ===== v1.1 하위페이지 공통 ===== */
.subpage-main{padding-top:82px;background:#fff}
.subpage-hero{position:relative;padding:82px 0 55px;background:linear-gradient(120deg,#123b5e,#087f89);color:#fff;overflow:hidden}
.subpage-hero:after{content:"";position:absolute;right:-8%;top:-80%;width:520px;height:520px;border-radius:50%;border:90px solid rgba(255,255,255,.055)}
.subpage-hero .wrap{position:relative;z-index:1}
.subpage-eyebrow{margin:0 0 7px;color:#aee5e8;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.subpage-hero h1{margin:0;font-size:clamp(34px,4vw,48px);line-height:1.2;letter-spacing:-.03em}
.breadcrumb{display:flex;align-items:center;gap:8px;margin-top:22px;color:#d9edf0;font-size:13px}
.breadcrumb a{color:#fff}
.subpage-grid{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:34px;align-items:start}
.content-card,.side-card{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
.content-card{padding:42px;min-height:460px}
.subpage-featured{margin:-42px -42px 34px;overflow:hidden;border-radius:12px 12px 0 0;max-height:430px}
.subpage-featured img{display:block;width:100%;height:auto}
.entry-content h2{color:var(--navy);font-size:28px;margin-top:0}
.entry-content h3{color:var(--navy)}
.entry-content p,.entry-content li{color:#536879}
.entry-content img{max-width:100%;height:auto;border-radius:8px}
.side-card{padding:24px;margin-bottom:18px}
.side-kicker{display:block;color:var(--teal);font-size:11px;font-weight:900;letter-spacing:.08em}
.side-card h3{margin:7px 0 10px;color:var(--navy)}
.side-card p{font-size:13px;color:var(--muted)}
.side-card .btn{width:100%;margin-top:6px}
.side-links{display:flex;flex-direction:column}
.side-links a{padding:10px 0;border-top:1px solid var(--line);font-size:14px;font-weight:650;color:#405c74}
.side-links a:hover{color:var(--teal)}

@media(max-width:900px){
  .subpage-grid{grid-template-columns:1fr}
  .subpage-side{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .side-card{margin-bottom:0}
}
@media(max-width:680px){
  .nav-list>li{position:relative}
  .nav-list>li>a{padding:11px 42px 11px 0}
  .nav-list>.menu-item-has-children>a:after,.nav-list>.has-submenu>a:after{display:none}
  .submenu-toggle{display:grid;place-items:center;position:absolute;right:0;top:5px;width:36px;height:36px;border:1px solid var(--line);border-radius:7px;background:#f7fbfc;color:var(--navy);font-size:19px;line-height:1;cursor:pointer}
  .submenu-toggle[aria-expanded="true"]{background:#eaf7f7;color:var(--teal)}
  .sub-menu{display:none;position:static;min-width:0;transform:none!important;opacity:1;visibility:visible;pointer-events:auto;margin:0 0 8px 10px;padding:5px 8px;border:0;border-left:2px solid #d8ecee;border-radius:0;box-shadow:none;background:#f8fbfc}
  .sub-menu:before{display:none}
  .submenu-open>.sub-menu{display:block}
  .sub-menu a{padding:9px 10px;white-space:normal;font-size:13px}
  .subpage-main{padding-top:70px}
  .subpage-hero{padding:56px 0 38px}
  .subpage-hero h1{font-size:32px}
  .content-card{padding:26px 22px;min-height:360px}
  .subpage-featured{margin:-26px -22px 26px}
  .subpage-side{grid-template-columns:1fr}
}

/* ===== v1.2 전체 편집형 + 콘티 기본이미지 ===== */
.header-logo{display:block;max-height:58px;max-width:280px;width:auto}
.card-photo{display:block;width:100%;height:180px;object-fit:cover;object-position:center}
.research-card .circle{margin-top:-34px}
.map-image-wrap{min-height:420px;display:flex;align-items:center;justify-content:center;padding:20px;background:#f8fbfc;overflow:hidden}
.map-image-wrap img{display:block;width:100%;height:100%;max-height:420px;object-fit:contain}
.related-card{background-size:cover;background-position:center;overflow:hidden}
.result-photo{display:block;width:100%;height:140px;object-fit:cover}
.report-cover{display:block;width:100%;height:92px;object-fit:cover;border-radius:5px;margin-bottom:12px}
.gallery-link{display:block}
.gallery-image{display:block;width:100%;height:300px;object-fit:cover;border-radius:8px}
.news-thumb-link{display:block;width:100px;height:74px;border-radius:5px;overflow:hidden}
.news-thumb-img{display:block;width:100%;height:100%;object-fit:cover}
.contact{background-size:cover;background-position:center}
.footer-logo{display:block;max-width:240px;max-height:72px;width:auto;height:auto}

@media(max-width:680px){
  .header-logo{max-height:46px;max-width:220px}
  .map-image-wrap{min-height:300px}
  .map-image-wrap img{max-height:300px}
  .gallery-image{height:230px}
  .news-thumb-link{width:84px;height:68px}
}