/* =========================================================
   건축성능원 — 사이트 디자인 (site.css, main.css 이후 로드)
   ========================================================= */
:root{
  --kcs-navy:#0b3d91;
  --kcs-navy-d:#062a66;
  --kcs-blue:#1f6fe5;
  --kcs-accent:#f5a623;
  --kcs-ink:#16203a;
  --kcs-soft:#f5f7fb;
  --kcs-line:#e6e9f0;
  --max-w:1600px;
}
body{color:var(--kcs-ink);}
.container{max-width:var(--max-w);padding:0 28px;}
a{color:var(--kcs-navy);}
/* 버튼 높이 통일: a(.btn)와 button(.btn)이 line-height 차이로 높이가 달라지는 문제 보정 */
.btn,.btn-primary,.btn-ghost,.btn-danger{line-height:1.5;box-sizing:border-box;vertical-align:middle;min-height:42px;}

/* 네비/카드/리스트 링크는 호버 밑줄 제거(main.css a:hover 밑줄 상쇄) */
.gnb-link:hover,.gnb-panel a:hover,.lnb-list a:hover,.ql-card:hover,.biz-card:hover,
.bc-list a:hover,.board-card .more:hover,.brand:hover{text-decoration:none;}

/* ---------- Header / GNB ---------- */
.site-header{position:sticky;top:0;z-index:600;background:#fff;
  border-bottom:1px solid var(--kcs-line);
  transition:box-shadow .25s,background .25s;}
.site-header.scrolled{box-shadow:0 6px 24px rgba(8,24,66,.10);}
.header-inner{display:flex;align-items:center;gap:28px;height:74px;}
.brand{display:flex;align-items:center;text-decoration:none;flex:0 0 auto;}
.brand-logo{height:42px;width:auto;display:block;}

.gnb{flex:1 1 auto;}
.gnb-list{display:flex;justify-content:center;gap:6px;list-style:none;margin:0;padding:0;}
.gnb-item{position:relative;}
.gnb-link{display:block;padding:20px;font-weight:700;font-size:18px;color:var(--kcs-ink);
  text-decoration:none;position:relative;transition:color .2s;white-space:nowrap;}
.gnb-link:hover{text-decoration:none;}
.gnb-link::after{content:"";position:absolute;left:20px;right:20px;bottom:13px;height:3px;border-radius:2px;
  background:var(--kcs-navy);transform:scaleX(0);transition:transform .25s;}
.gnb-item:hover .gnb-link{color:var(--kcs-navy);}
.gnb-item:hover .gnb-link::after{transform:scaleX(1);}
/* 개별 대메뉴 드롭다운 (자기 하위만) */
.gnb-panel{position:absolute;left:50%;top:100%;transform:translateX(-50%) translateY(8px);
  min-width:200px;background:#fff;border:1px solid var(--kcs-line);border-radius:12px;
  box-shadow:0 18px 38px rgba(8,24,66,.14);padding:10px;opacity:0;visibility:hidden;
  transition:opacity .2s,transform .2s,visibility .2s;z-index:50;}
.gnb-item:hover .gnb-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.gnb-panel::before{content:"";position:absolute;top:-7px;left:50%;transform:translateX(-50%) rotate(45deg);
  width:13px;height:13px;background:#fff;border-left:1px solid var(--kcs-line);border-top:1px solid var(--kcs-line);}
.gnb-panel ul{list-style:none;margin:0;padding:0;}
.gnb-panel li a{display:block;padding:11px 16px;border-radius:8px;color:#48506a;font-size:15px;
  font-weight:600;white-space:nowrap;text-decoration:none;transition:background .15s,color .15s;}
.gnb-panel li a:hover{background:var(--kcs-soft);color:var(--kcs-navy);}

.lang-switcher .lang-btn{border:1px solid var(--kcs-line);background:#fff;border-radius:8px;padding:8px 12px;
  font-weight:600;cursor:pointer;color:var(--kcs-ink);}
/* 버튼↔드롭다운 사이 6px 틈을 메우는 hover 브리지 (선택 중 메뉴가 닫히지 않게) */
.lang-switcher::after{content:"";position:absolute;top:100%;right:0;width:140px;height:8px;}
.lang-switcher ul{margin-top:6px;}
.nav-toggle{display:none;}
.gnb-extra{display:none;}
.gnb-acc{display:none;}

/* ---------- 서브페이지 히어로 / 브레드크럼 ---------- */
.subhero{position:relative;min-height:280px;display:flex;align-items:center;
  background-image:linear-gradient(120deg,rgba(6,42,102,.78),rgba(31,111,229,.55)),var(--banner);
  background-size:cover;background-position:center;overflow:hidden;}
.subhero::after{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% -20%,rgba(245,166,35,.25),transparent 50%);}
.subhero-inner{position:relative;z-index:2;color:#fff;padding:54px 20px;}
.subhero-eyebrow{font-size:15px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;opacity:.9;margin:0 0 12px;}
.subhero-title{font-size:46px;font-weight:800;letter-spacing:-1px;margin:0;line-height:1.1;
  text-shadow:0 2px 18px rgba(0,0,0,.25);}
.subhero-sub{margin:14px 0 0;font-size:17px;opacity:.92;max-width:680px;}
.breadcrumb{margin-top:22px;font-size:14px;color:#eaf1ff;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.breadcrumb a{color:#eaf1ff;text-decoration:none;opacity:.9;}
.breadcrumb a:hover{opacity:1;text-decoration:underline;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .cur{font-weight:700;color:#fff;}

/* ---------- 서브 레이아웃 (LNB + 본문) ---------- */
.subwrap{display:grid;grid-template-columns:260px 1fr;gap:50px;padding:54px 28px 90px;align-items:start;}
/* LNB 없는 페이지(개인정보처리방침·이용약관 등): 폭 축소·중앙 정렬 + 문서 카드 디자인 */
.subwrap.no-lnb{grid-template-columns:minmax(0,860px);justify-content:center;}
.no-lnb .subcontent-head{text-align:center;margin-bottom:26px;}
.no-lnb .subcontent-rule{margin-left:auto;margin-right:auto;}
.no-lnb .subcontent-body{background:#fff;border:1px solid var(--kcs-line);border-radius:16px;
  padding:46px 48px;box-shadow:0 10px 34px rgba(8,24,66,.06);}
.no-lnb .page-body{font-size:15.5px;line-height:1.85;color:#3a445b;}
.no-lnb .page-body > p:first-child{background:var(--kcs-soft);border-radius:10px;padding:16px 18px;
  color:#33405e;margin:0 0 26px;font-size:15px;}
.no-lnb .page-body h3{font-size:18px;font-weight:800;color:var(--kcs-navy);margin:32px 0 12px;
  padding-left:14px;border-left:4px solid var(--kcs-blue);line-height:1.35;}
.no-lnb .page-body p{margin:0 0 12px;}
.no-lnb .page-body ul{margin:0 0 14px;padding-left:6px;list-style:none;}
.no-lnb .page-body li{position:relative;margin-bottom:8px;padding-left:18px;color:#48506a;line-height:1.75;}
.no-lnb .page-body li::before{content:"";position:absolute;left:2px;top:10px;width:6px;height:6px;
  border-radius:50%;background:var(--kcs-blue);}
@media(max-width:768px){
  .no-lnb .subcontent-body{padding:26px 20px;border-radius:13px;}
  .no-lnb .page-body h3{font-size:16.5px;margin:26px 0 10px;}
}
.subnav-m{display:none;}
.lnb{position:sticky;top:96px;}
.lnb-head{background:linear-gradient(135deg,var(--kcs-navy),var(--kcs-navy-d));color:#fff;font-weight:800;
  font-size:20px;padding:26px 22px;border-radius:14px 14px 0 0;}
.lnb-list{list-style:none;margin:0;padding:8px;border:1px solid var(--kcs-line);border-top:0;border-radius:0 0 14px 14px;background:#fff;}
.lnb-list li a{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;border-radius:9px;
  color:#48506a;font-weight:600;font-size:15.5px;text-decoration:none;transition:all .15s;}
.lnb-list li a:hover{background:var(--kcs-soft);color:var(--kcs-navy);}
.lnb-list li a.active{background:var(--kcs-navy);color:#fff;}
.lnb-list li a .dot{font-weight:800;}

.subcontent{min-width:0;}
.subcontent-head{margin-bottom:30px;}
.subcontent-title{font-size:30px;font-weight:800;letter-spacing:-.5px;margin:0;color:var(--kcs-ink);}
.subcontent-rule{width:60px;height:6px;border-radius:0px;margin-top:16px;background:linear-gradient(90deg,#e31874,#0a8135);}
.subcontent-body{font-size:16px;line-height:1.8;color:#33405e;}
.page-body{font-size:16px;line-height:1.85;color:#33405e;}
.page-body img{margin:18px auto;border-radius:10px;}
.page-body h2,.page-body h3{color:var(--kcs-ink);margin:0 0 35px;}
@media(max-width:768px){.page-body h2,.page-body h3{margin:0 0 22px;}}
.page-body table{width:100%;border-collapse:collapse;margin:18px 0;}
.page-body th{background:var(--kcs-soft);border:1px solid var(--kcs-line);padding:12px;font-weight:700;}
.page-body td{border:1px solid var(--kcs-line);padding:12px;}

/* 편집화면: 기존 첨부파일 목록 (체크로 삭제) */
.existing-atts{margin:4px 0 14px;}
.ea-label{font-size:13px;font-weight:600;color:var(--kcs-ink);margin-bottom:8px;}
.ea-label .muted{font-weight:400;color:#9aa1b2;}
.ea-list{display:flex;flex-wrap:wrap;gap:10px;}
.ea-item{display:flex;align-items:center;gap:8px;border:1px solid var(--kcs-line);border-radius:10px;
  padding:8px 12px 8px 8px;background:#fff;cursor:pointer;transition:border-color .15s,background .15s;max-width:280px;}
.ea-item:hover{border-color:var(--kcs-blue);}
.ea-item input{margin:0 2px;}
.ea-thumb{width:46px;height:46px;border-radius:7px;background-size:cover;background-position:center;
  background-color:#eef1f6;flex:0 0 auto;display:flex;align-items:center;justify-content:center;font-size:20px;}
.ea-name{font-size:13.5px;color:#33405e;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
/* 삭제 체크된 항목 표시 */
.ea-item:has(input:checked){border-color:var(--kcs-danger,#d9333f);background:#fff5f5;}
.ea-item:has(input:checked) .ea-name{text-decoration:line-through;color:#d9333f;}

/* 첨부 이미지: width:100%로 작은 이미지가 확대돼 크게/흐리게 보이는 문제 → 원본크기 유지(확대금지)·상한만 */
.post-images{align-items:center;}
.post-image{display:inline-block;max-width:100%;background:transparent;border:0;}
.post-image img{width:auto;max-width:100%;max-height:700px;margin:0 auto;}
/* 본문 인라인 이미지도 동일하게 확대 방지 */
.post-body img,.page-body img{max-width:100%;height:auto;}

/* 게시글 다중이미지 갤러리 (메인 + 좌우화살표 + 하단 썸네일) */
.post-gallery{margin:8px 0 24px;}
.pg-main{position:relative;background:#eef1f6;border:1px solid var(--kcs-line);border-radius:12px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;min-height:280px;}
.pg-main-img{max-width:100%;max-height:560px;width:auto;height:auto;display:block;margin:0 auto;cursor:zoom-in;}

/* 라이트박스 (이미지 확대) */
.pg-lightbox{position:fixed;inset:0;z-index:9999;background:rgba(12,18,34,.92);
  display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .2s;}
.pg-lightbox.open{opacity:1;visibility:visible;}
.pg-lb-stage{display:flex;align-items:center;justify-content:center;gap:14px;max-width:96vw;}
.pg-lb-img{max-width:calc(96vw - 150px);max-height:88vh;width:auto;height:auto;border-radius:6px;box-shadow:0 10px 50px rgba(0,0,0,.5);}
.pg-lb-close{position:absolute;top:18px;right:22px;width:48px;height:48px;border:0;border-radius:50%;
  background:rgba(255,255,255,.92);color:#16203a;font-size:26px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;box-shadow:0 2px 12px rgba(0,0,0,.4);z-index:2;}
.pg-lb-close:hover{background:#fff;transform:scale(1.06);}
.pg-lb-nav{flex:0 0 auto;width:52px;height:52px;border:0;border-radius:50%;
  background:rgba(255,255,255,.85);color:#16203a;font-size:30px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;box-shadow:0 2px 12px rgba(0,0,0,.35);}
.pg-lb-nav:hover{background:#fff;}
.pg-lb-count{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);color:#fff;font-weight:600;
  background:rgba(0,0,0,.45);padding:6px 16px;border-radius:20px;font-size:14px;}
@media(max-width:520px){
  .pg-lb-close{top:10px;right:12px;width:42px;height:42px;}
  .pg-lb-nav{width:40px;height:40px;font-size:24px;}
  .pg-lb-stage{gap:6px;}
  .pg-lb-img{max-width:calc(98vw - 96px);}
}
.pg-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:2;border:0;cursor:pointer;
  width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.85);color:#16203a;
  font-size:24px;line-height:1;display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 10px rgba(0,0,0,.25);transition:background .15s,transform .15s;}
.pg-nav:hover{background:#fff;transform:translateY(-50%) scale(1.08);}
.pg-prev{left:14px;} .pg-next{right:14px;}
.pg-count{position:absolute;right:14px;bottom:12px;z-index:2;background:rgba(13,20,38,.72);color:#fff;
  font-size:13px;font-weight:600;padding:5px 12px;border-radius:20px;}
.pg-thumbs{display:flex;gap:8px;margin-top:10px;overflow-x:auto;padding:4px 2px;scrollbar-width:thin;}
.pg-thumbs img{width:84px;height:64px;object-fit:cover;border-radius:8px;cursor:pointer;flex:0 0 auto;
  border:2px solid transparent;opacity:.65;transition:opacity .15s,border-color .15s;}
.pg-thumbs img:hover{opacity:1;}
.pg-thumbs img.active{opacity:1;border-color:var(--kcs-blue);}
@media(max-width:520px){.pg-main-img{max-height:60vh;}.pg-nav{width:38px;height:38px;font-size:20px;}}

/* 게시판 검색/글쓰기 툴바: 입력창·검색·글쓰기 버튼 높이 통일 */
.board-tools{align-items:center;gap:8px;}
.board-tools .search{gap:6px;}
.board-tools .search input,
.board-tools .search button,
.board-tools .btn,
.board-tools .btn-primary{
  height:44px;box-sizing:border-box;border-radius:8px;font-size:14px;
  display:inline-flex;align-items:center;line-height:1;
}
.board-tools .search input{padding:0 14px;border:1px solid var(--kcs-line);min-width:240px;}
.board-tools .search button{padding:0 18px;background:var(--kcs-ink);color:#fff;border:1px solid var(--kcs-ink);font-weight:600;cursor:pointer;justify-content:center;}
.board-tools .btn-primary{padding:0 18px;justify-content:center;}
@media(max-width:520px){.board-tools .search input{min-width:0;flex:1;}}

/* 게시판 목록: 작성자/작성일/조회 칸 한 줄 고정 (줄바꿈 방지) */
.board-table th.meta-col,.board-table td.meta-col{white-space:nowrap;text-align:center;}
.board-table td.meta-col{min-width:84px;padding-left:10px;padding-right:10px;color:#6c7383;font-size:14px;}
.board-table .subj{width:auto;}

/* 게시판을 서브레이아웃 안에 표시할 때 */
.subcontent-body .container{max-width:none;padding:0;margin:0;width:100%;}
.subcontent-body .board-page,.subcontent-body .post-view,.subcontent-body .post-write{padding:0;max-width:none;}
.subcontent-body .board-head .board-title{display:none;}   /* subhero 타이틀로 대체 */
.subcontent-body .post-write .board-head{display:none;}     /* subhero 타이틀로 대체 */
.subcontent-body .post-view .crumbs{display:none;}          /* subhero 브레드크럼으로 대체 */
.subcontent-body .board-head{margin-bottom:18px;}

/* 글쓰기 폼 입력필드 높이/디자인 통일 (password 등 누락된 타입 포함) */
.write-form input[type=text],
.write-form input[type=password],
.write-form input[type=url],
.write-form input[type=email],
.write-form input[type=number],
.write-form input[type=search],
.write-form input[type=datetime-local],
.write-form input[type=date],
.write-form select,
.write-form textarea{
  width:100%;box-sizing:border-box;min-height:46px;
  padding:12px 14px;border:1px solid var(--kcs-line);border-radius:8px;
  font-family:inherit;font-size:15px;background:#fff;color:var(--kcs-ink);
}
.write-form textarea{min-height:200px;line-height:1.7;}
.write-form input:focus,.write-form select:focus,.write-form textarea:focus{
  outline:none;border-color:var(--kcs-blue);box-shadow:0 0 0 3px rgba(31,111,229,.12);
}
.write-form .secret-block input[type=password]{max-width:340px;}
.write-form fieldset{margin:4px 0;}

/* ---------- 홈 (landing) ---------- */
.home-hero{position:relative;min-height:870px;display:flex;align-items:center;color:#fff;overflow:hidden;background:#0b3d91;}
.hero-slides{position:absolute;inset:0;z-index:1;}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center 32%;opacity:0;transition:opacity 1.5s ease;}
.hero-slide.is-active{opacity:1;}
.hero-dots{position:absolute;left:0;right:0;bottom:118px;z-index:6;display:flex;justify-content:center;gap:11px;}
.hero-dot{width:11px;height:11px;border-radius:50%;border:0;background:rgba(255,255,255,.45);cursor:pointer;padding:0;transition:background .2s,transform .2s;}
.hero-dot:hover{background:rgba(255,255,255,.75);}
.hero-dot.is-active{background:var(--kcs-accent);transform:scale(1.15);}
.home-hero::before{content:"";position:absolute;inset:0;z-index:3;opacity:.18;
  background-image:radial-gradient(circle at 18% 30%,#fff 1px,transparent 1.4px);background-size:34px 34px;}
.home-hero::after{content:"";position:absolute;inset:0;z-index:2;
  background:linear-gradient(105deg,rgb(3 16 47 / 89%) 0%,rgb(8 38 104 / 23%) 42%,rgba(16,64,148,.28) 100%);}
.home-hero-inner{position:relative;z-index:5;padding:80px 20px;max-width:880px;margin-left:auto;margin-right:auto;text-align:center;}
.lang-en .home-hero-inner{max-width:1200px;}
.home-hero .eyebrow{font-size:16px;letter-spacing:.2em;text-transform:uppercase;font-weight:600;opacity:.92;text-shadow:0 1px 3px rgba(0,0,0,.85),0 2px 10px rgba(0,0,0,.55);}
.home-hero h1{font-size:58px;line-height:1.12;font-weight:800;letter-spacing:-1.5px;margin:18px 0 0;
  text-shadow:0 2px 5px rgba(0,0,0,.78),0 4px 20px rgba(0,0,0,.5);}
.home-hero .hero-en{font-size:17px;font-weight:500;letter-spacing:.01em;opacity:.95;margin:14px auto 0;line-height:1.45;max-width:680px;text-shadow:0 1px 3px rgba(0,0,0,.9),0 2px 10px rgba(0,0,0,.55);}
.home-hero p{font-size:19px;opacity:.96;margin:22px auto 34px;max-width:620px;line-height:1.6;text-shadow:0 1px 3px rgba(0,0,0,.95),0 2px 10px rgba(0,0,0,.62);}
.home-hero .hero-cta{justify-content:center;}
.home-hero .btn{font-size:16px;padding:14px 26px;border-radius:10px;}
.btn-amber{background:var(--kcs-accent);color:#1a1304;border:none;font-weight:700;}
.btn-amber:hover{background:#ffb938;color:#1a1304;}
.btn-line-w{background:rgba(8,22,55,.42);border:1.5px solid rgba(255,255,255,.88);color:#fff;font-weight:700;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);}
.btn-line-w:hover{background:#fff;color:var(--kcs-navy);}

.quicklinks{position:relative;z-index:3;margin-top:-58px;}
/* 홈 페이지에만 base 배경을 소식 섹션색(soft)으로 — 서브페이지 영향 없음 */
body:has(.home-hero){background:#f5f7fb;}
.quicklinks-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.ql-card{background:#fff;border-radius:18px;padding:40px 34px;box-shadow:0 14px 40px rgba(8,24,66,.10);
  border:1px solid var(--kcs-line);text-decoration:none;transition:transform .2s,box-shadow .2s;display:block;}
.ql-card:hover{transform:translateY(-6px);box-shadow:0 22px 50px rgba(8,24,66,.16);}
.ql-ic{width:62px;height:62px;border-radius:16px;display:grid;place-items:center;font-size:28px;color:#fff;
  background:linear-gradient(135deg,var(--kcs-navy),var(--kcs-blue));margin-bottom:20px;}
.ql-title{font-weight:800;font-size:21px;color:var(--kcs-ink);margin:0 0 8px;}
.ql-desc{color:#6c7383;font-size:15px;margin:0;}

.home-section{padding:74px 20px;}
.home-section.alt{background:var(--kcs-soft);}
.sec-head{text-align:center;margin-bottom:60px;}
.sec-head .eyebrow{color:var(--kcs-blue);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:14px;}
.sec-head h2{font-size:40px;font-weight:800;letter-spacing:-.8px;margin:10px 0 0;color:var(--kcs-ink);}
.home-boards{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.board-card{background:#fff;border:1px solid var(--kcs-line);border-radius:16px;padding:30px;box-shadow:var(--shadow-sm);min-width:0;}
.board-card .bc-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;}
.board-card h3{font-size:21px;font-weight:800;margin:0;color:var(--kcs-ink);}
.board-card .more{color:#6c7383;font-size:14px;text-decoration:none;}
.board-card .more:hover{color:var(--kcs-navy);}
.bc-list{list-style:none;margin:0;padding:0;}
.bc-list li{display:flex;justify-content:space-between;gap:14px;padding:13px 2px;border-bottom:1px dashed var(--kcs-line);}
.bc-list li:last-child{border-bottom:0;}
.bc-list li a{color:#33405e;text-decoration:none;font-size:15.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1 1 auto;min-width:0;}
.bc-list li a:hover{color:var(--kcs-navy);}
.bc-list time{color:#9aa1b2;font-size:13px;flex:0 0 auto;}

.home-cta{background:linear-gradient(120deg,#042f65,#1f8300);color:#fff;text-align:center;padding:84px 20px;position:relative;overflow:hidden;}
.home-cta h2{font-size:40px;font-weight:800;margin:0 0 16px;letter-spacing:-.5px;}
.home-cta p{opacity:.94;font-size:19.5px;margin:0 0 32px;}

/* ---------- 반응형 ---------- */
@media (max-width:1024px){
  .gnb-list{gap:0;}
  .gnb-link{padding:20px 14px;font-size:17.5px;}
  .quicklinks-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .header-inner{height:62px;gap:12px;}
  .brand{min-width:0;}
  .brand-logo{height:36px;max-width:62vw;object-fit:contain;object-position:left center;}
  .gnb{position:fixed;inset:62px 0 auto 0;background:#fff;border-bottom:1px solid var(--kcs-line);
    max-height:0;overflow:hidden;transition:max-height .3s;box-shadow:0 16px 30px rgba(8,24,66,.12);}
  .gnb.open{max-height:80vh;overflow:auto;}
  .gnb-list{flex-direction:column;}
  .gnb-item{position:relative;border-bottom:1px solid var(--kcs-soft);}
  .gnb-link{padding:16px 60px 16px 20px;border-bottom:0;}
  .gnb-link::after{display:none;}
  /* 대메뉴만 보이고, + 탭 시 하위 펼침(아코디언) */
  .gnb-acc{display:flex;position:absolute;top:0;right:0;width:58px;height:54px;align-items:center;justify-content:center;
    background:none;border:0;color:#6c7488;font-size:26px;line-height:1;cursor:pointer;transition:color .2s;}
  .gnb-acc::before{content:"+";}
  .gnb-item.open>.gnb-acc{color:var(--kcs-navy);}
  .gnb-item.open>.gnb-acc::before{content:"\2212";}
  .gnb-panel{position:static;transform:none;box-shadow:none;border:0;
    border-radius:0;min-width:0;padding:0;background:#f7f9fc;display:none;}
  /* 데스크톱 hover 메가메뉴 transform이 터치에서 패널을 밀어내는 문제 무효화 */
  .gnb-item:hover .gnb-panel{transform:none;opacity:1;visibility:visible;}
  .gnb-item.open>.gnb-panel{display:block;padding:6px 20px 12px;opacity:1;visibility:visible;transform:none;}
  .gnb-panel::before{display:none;}
  .gnb-panel ul{list-style:none;margin:0;padding:0;}
  .gnb-panel li a{padding:9px 10px;color:#5a6480;font-size:14.5px;}
  .nav-toggle{display:inline-flex;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;}
  .nav-toggle span{width:24px;height:2px;background:var(--kcs-ink);border-radius:2px;}
  /* 모바일: 로그인·다국어를 햄버거 메뉴 안으로 */
  .header-actions .hdr-member,.header-actions .lang-switcher{display:none;}
  .gnb-extra{display:block;border-top:1px solid var(--kcs-line);padding:8px 20px 18px;}
  .gnb-extra-login{display:flex;align-items:center;justify-content:center;gap:9px;font-size:16px;font-weight:700;color:var(--kcs-navy);text-decoration:none;padding:14px 4px 10px;}
  .gnb-extra-login svg{width:21px;height:21px;}
  .gnb-extra-langs{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px;}
  .gnb-extra-langs a{flex:1;min-width:calc(50% - 4px);text-align:center;padding:12px 8px;border:1px solid var(--kcs-line);border-radius:9px;font-size:14.5px;font-weight:600;color:#4a5366;text-decoration:none;background:#fff;}
  .gnb-extra-langs a.on{background:var(--kcs-navy);color:#fff;border-color:var(--kcs-navy);}
  /* 한글/영문만 자연스러운 줄바꿈(단어 안 끊고 띄어쓰기 단위).
     일·중은 공백이 없어 keep-all 시 줄바꿈이 막혀 넘치므로 제외 */
  .lang-kr .site-main,.lang-kr .site-footer,
  .lang-en .site-main,.lang-en .site-footer{word-break:keep-all;overflow-wrap:break-word;}
  .lang-jp .site-main,.lang-jp .site-footer,
  .lang-cn .site-main,.lang-cn .site-footer{word-break:normal;overflow-wrap:break-word;}
  .subwrap{grid-template-columns:1fr;gap:0;padding:30px 20px 70px;}
  .site-main{overflow-x:hidden;}
  .subhero-inner{margin-left:0;margin-right:0;max-width:none;width:100%;padding-left:20px;padding-right:20px;}
  .board-table th.num-col,.board-table td:first-child{min-width:0;width:38px;padding-left:6px;padding-right:6px;}
  .lnb{display:none;}
  .subnav-m{display:block;margin-bottom:22px;position:relative;}
  .snm-acc{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;border:1px solid var(--kcs-line);border-radius:10px;background:#fff;color:var(--kcs-ink);font-size:13px;font-weight:700;cursor:pointer;text-align:left;}
  .snm-acc-label em{font-style:normal;color:#9aa1b2;margin:0 7px;}
  .snm-acc-arrow{color:#6c7383;font-size:12px;transition:transform .2s;}
  .subnav-m.open .snm-acc{border-color:var(--kcs-navy);border-radius:10px 10px 0 0;}
  .subnav-m.open .snm-acc-arrow{transform:rotate(180deg);}
  .snm-list{list-style:none;margin:0;padding:0;display:none;position:absolute;left:0;right:0;z-index:30;background:#fff;border:1px solid var(--kcs-navy);border-top:0;border-radius:0 0 10px 10px;box-shadow:0 12px 26px rgba(8,24,66,.14);overflow:hidden;}
  .subnav-m.open .snm-list{display:block;}
  .snm-list li a{display:block;padding:13px 16px;color:#48506a;font-size:15px;text-decoration:none;border-top:1px solid #eef0f5;}
  .snm-list li:first-child a{border-top:0;}
  .snm-list li a.on{background:var(--kcs-navy);color:#fff;font-weight:700;}
  .subhero-title{font-size:32px;}
  .subhero{min-height:210px;}
  .home-hero{min-height:580px;align-items:center;}
  .home-hero-inner{padding:34px 20px;}
  .hero-dots{bottom:70px;}
  .home-hero .eyebrow{font-size:12.5px;letter-spacing:.16em;}
  .home-hero .hero-en{font-size:13px;margin-top:10px;line-height:1.4;}
  .home-hero h1{font-size:30px;letter-spacing:-.6px;margin-top:13px;}
  /* 일·중은 글자폭이 넓어 제목 줄 중간에서 끊기므로 살짝 축소 */
  .lang-jp .home-hero h1,.lang-cn .home-hero h1{font-size:25px;letter-spacing:0;}
  .home-hero p{font-size:15px;margin:15px 0 26px;line-height:1.55;}
  .home-hero .btn{font-size:14.5px;padding:12px 20px;}
  .home-boards{grid-template-columns:1fr;}
  .quicklinks-grid{grid-template-columns:1fr 1fr;gap:12px;}
  /* 모바일 퀵링크 카드 좌우 패딩 축소(긴 단어로 그리드 밀림 방지, 전 언어) */
  .ql-card{padding:28px 15px;}
  /* 이중 패딩 방지: 섹션 좌우 패딩 0 → 안쪽 .container(16px)만 적용 */
  .home-section{padding:52px 0;}
  .home-stats{padding:50px 0;}
  .home-cta{padding:58px 0;}
}

/* ===================== 홈 강화 섹션 (2026-06-30) ===================== */
.sec-sub{margin:13px auto 0;max-width:660px;color:#5d6679;font-size:16px;line-height:1.65;}

/* 사업영역 */
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.biz-card{display:flex;flex-direction:column;align-items:flex-start;background:#fff;border:1px solid var(--kcs-line);border-radius:16px;padding:30px 28px;text-decoration:none;transition:transform .18s,box-shadow .18s,border-color .18s;box-shadow:0 4px 18px rgba(8,24,66,.05);}
.biz-card:hover{transform:translateY(-6px);box-shadow:0 22px 46px rgba(8,24,66,.13);border-color:transparent;}
.biz-ic{width:56px;height:56px;border-radius:14px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--kcs-navy),var(--kcs-blue));margin-bottom:18px;box-shadow:0 8px 18px rgba(11,61,145,.25);}
.biz-ic svg{width:28px;height:28px;}
.biz-card h3{font-size:19px;font-weight:800;color:var(--kcs-ink);margin:0 0 8px;letter-spacing:-.3px;}
.biz-card p{font-size:14.5px;color:#5d6679;line-height:1.6;margin:0 0 16px;flex:1;}
.biz-arrow{font-size:14px;font-weight:700;color:var(--kcs-blue);}
.biz-card:hover .biz-arrow{color:var(--kcs-navy);}

/* 신뢰 지표 */
.home-stats{background:linear-gradient(120deg,var(--kcs-navy),#0a3270);padding:66px 0;}
@media(max-width:768px){.home-stats{padding:50px 0;}}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.home-stats .stat{text-align:center;color:#fff;position:relative;}
.home-stats .stat::after{content:"";position:absolute;right:0;top:14%;height:72%;width:1px;background:rgba(255,255,255,.16);}
.home-stats .stat:last-child::after{display:none;}
.home-stats .stat b{display:flex;align-items:baseline;justify-content:center;font-size:78px;font-weight:800;letter-spacing:-2px;line-height:1;}
.home-stats .stat b i{font-style:normal;font-size:42px;color:var(--kcs-accent);margin-left:3px;font-weight:800;}
.home-stats .stat .num{font-variant-numeric:tabular-nums;}
.home-stats .stat>span{display:block;margin-top:15px;font-size:16.5px;color:rgba(255,255,255,.88);font-weight:600;letter-spacing:-.2px;}

/* 인증 절차 */
.home-process .proc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.proc-step{position:relative;background:#fff;border:1px solid var(--kcs-line);border-radius:16px;padding:30px 24px 26px;}
.proc-step .proc-no{display:inline-block;font-size:15px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--kcs-blue),var(--kcs-navy));width:42px;height:42px;border-radius:11px;line-height:42px;text-align:center;margin-bottom:16px;}
.proc-step h4{font-size:17px;font-weight:800;color:var(--kcs-ink);margin:0 0 7px;}
.proc-step p{font-size:14px;color:#5d6679;margin:0;line-height:1.55;}
.proc-step:not(:last-child)::after{content:"→";position:absolute;right:-15px;top:50%;transform:translateY(-50%);color:#c7cedd;font-size:20px;font-weight:700;z-index:2;}

/* ===================== 전문 푸터 ===================== */
.site-footer{background:var(--kcs-ink);color:#c5ccdb;margin-top:0;}
.footer-top{display:grid;grid-template-columns:1.4fr 1.3fr 1fr 1fr;gap:36px;padding:56px 20px 40px;}
.f-brand .f-name{font-size:20px;font-weight:800;color:#fff;margin:0;letter-spacing:-.3px;}
.f-brand .f-en{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:#7e8aa6;margin:6px 0 16px;}
.f-brand .f-tag{font-size:14px;line-height:1.7;color:#aab2c5;margin:0;}
.site-footer .f-col h4{font-size:19px;font-weight:700;color:#fff;margin:0 0 16px;}
.f-info{list-style:none;margin:0;padding:0;}
.f-info li{font-size:16px;line-height:1.6;color:#aab2c5;margin-bottom:11px;display:flex;gap:10px;}
.f-info li span{flex:none;color:#6f7b97;font-weight:600;width:38px;}
.f-info a{color:#aab2c5;text-decoration:none;}
.f-info a:hover{color:#fff;}
.f-links{list-style:none;margin:0;padding:0;}
.f-links li{margin-bottom:11px;}
.f-links a{font-size:16px;color:#aab2c5;text-decoration:none;}
.f-links a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);}
.footer-bottom .c-br{display:none;}
.footer-bottom-in{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:20px;flex-wrap:wrap;}
.footer-bottom p{margin:0;font-size:13px;color:#7e8aa6;}
.site-footer .footer-links a{color:#9aa3ba;text-decoration:none;margin-left:16px;font-size:13px;}
.site-footer .footer-links a:first-child{margin-left:0;}
.site-footer .footer-links a:hover{color:#fff;}

/* 반응형 */
@media(max-width:860px){
  .biz-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 12px;}
  .home-stats .stat:nth-child(2)::after{display:none;}
  .home-process .proc-grid{grid-template-columns:repeat(2,1fr);}
  .proc-step:not(:last-child)::after{display:none;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:42px 20px 30px;}
  .footer-bottom-in{flex-direction:column;align-items:flex-start;}
}
@media(max-width:560px){
  .biz-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .biz-card{padding:20px 16px;border-radius:13px;}
  .biz-card h3{font-size:16px;}
  .biz-card p{font-size:13px;}
  .biz-ic{width:48px;height:48px;margin-bottom:13px;}
  .biz-ic svg{width:24px;height:24px;}
  .home-stats .stat b{font-size:56px;}
  .home-hero h1{font-size:26px;}
  .home-hero p{font-size:14px;}
  .home-hero .eyebrow{font-size:12px;}
}

/* 푸터 로고 배지 */
.f-logo{display:inline-block;margin-bottom:18px;line-height:0;}
.f-logo img{height:150px;width:auto;display:block;}

/* 바로가기 SVG 아이콘 */
.ql-ic svg{width:38px;height:38px;}


/* ===== 사업영역 fun 애니메이션 ===== */
.home-biz .biz-card{opacity:0;transform:translateY(28px);}
.home-biz.in .biz-card{opacity:1;transform:translateY(0);transition:opacity .6s ease,transform .6s cubic-bezier(.22,1,.36,1),box-shadow .25s,border-color .25s;}
.home-biz.in .biz-card:nth-child(1){transition-delay:0s;}
.home-biz.in .biz-card:nth-child(2){transition-delay:.08s;}
.home-biz.in .biz-card:nth-child(3){transition-delay:.16s;}
.home-biz.in .biz-card:nth-child(4){transition-delay:.24s;}
.home-biz.in .biz-card:nth-child(5){transition-delay:.32s;}
.home-biz.in .biz-card:nth-child(6){transition-delay:.4s;}
.home-biz.in .biz-card:hover{transition-delay:0s;transform:translateY(-8px);box-shadow:0 22px 46px rgba(8,24,66,.15);border-color:transparent;}
.biz-ic{position:relative;overflow:hidden;transition:transform .4s cubic-bezier(.34,1.56,.64,1),box-shadow .3s,background .3s;}
.biz-ic::after{content:"";position:absolute;top:0;left:-130%;width:72%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);transform:skewX(-18deg);}
.biz-card:hover .biz-ic{transform:scale(1.1);box-shadow:0 14px 26px rgba(11,61,145,.42);}
/* 호버 시 아이콘 박스 = 로고 컬러 (1·5 분홍 / 2·4 초록 / 3·6 진회색) */
/* 행마다 분홍→초록→진회색 반복 (1·4 분홍 / 2·5 초록 / 3·6 진회색). 모바일 탭(:active)도 포함 */
.biz-grid .biz-card:nth-child(1):hover .biz-ic,.biz-grid .biz-card:nth-child(1):active .biz-ic,
.biz-grid .biz-card:nth-child(4):hover .biz-ic,.biz-grid .biz-card:nth-child(4):active .biz-ic{background:#E7006A;box-shadow:0 14px 26px rgba(231,0,106,.42);}
.biz-grid .biz-card:nth-child(2):hover .biz-ic,.biz-grid .biz-card:nth-child(2):active .biz-ic,
.biz-grid .biz-card:nth-child(5):hover .biz-ic,.biz-grid .biz-card:nth-child(5):active .biz-ic{background:#85BF44;box-shadow:0 14px 26px rgba(133,191,68,.42);}
.biz-grid .biz-card:nth-child(3):hover .biz-ic,.biz-grid .biz-card:nth-child(3):active .biz-ic,
.biz-grid .biz-card:nth-child(6):hover .biz-ic,.biz-grid .biz-card:nth-child(6):active .biz-ic{background:#555a66;box-shadow:0 14px 26px rgba(85,90,102,.42);}
.biz-card:hover .biz-ic::after{left:155%;transition:left .6s ease;}
.biz-ic svg{transition:transform .4s cubic-bezier(.34,1.56,.64,1);}
.biz-card:hover .biz-ic svg{transform:scale(1.08);}
.biz-arrow{display:inline-block;transition:color .2s,transform .28s ease;}
.biz-card:hover .biz-arrow{transform:translateX(6px);}
@media (prefers-reduced-motion: reduce){
  .home-biz .biz-card{opacity:1;transform:none;}
  .biz-ic,.biz-ic svg,.biz-arrow,.home-biz.in .biz-card{transition:none;}
}

/* 지표 밴드에도 도트 텍스처 (히어로와 동일) */
.home-stats{position:relative;overflow:hidden;}
.home-stats::before{content:"";position:absolute;inset:0;opacity:.18;pointer-events:none;
  background-image:radial-gradient(circle at 18% 30%,#fff 1px,transparent 1.4px);background-size:34px 34px;}
.home-stats .stats-grid{position:relative;z-index:1;}

/* CTA 도트 텍스처 + 콘텐츠 위로 */
.home-cta::before{content:"";position:absolute;inset:0;opacity:.18;pointer-events:none;
  background-image:radial-gradient(circle at 18% 30%,#fff 1px,transparent 1.4px);background-size:34px 34px;}
.home-cta .container{position:relative;z-index:1;}
@media(max-width:768px){.home-cta h2{font-size:28px;}.home-cta p{font-size:16.5px;}}

/* 바로가기 카드 — 호버 시 브랜드 컬러로 채움 */
.ql-card{transition:transform .22s ease,box-shadow .22s ease,background .28s ease,border-color .28s ease;}
.ql-card:hover{transform:translateY(-7px);background:linear-gradient(135deg,#0b3d91,#1f6fe5);border-color:transparent;box-shadow:0 24px 50px rgba(11,61,145,.34);}
.ql-title,.ql-desc{transition:color .25s ease;}
.ql-card:hover .ql-title{color:#fff;}
.ql-card:hover .ql-desc{color:rgba(255,255,255,.86);}
.ql-ic{transition:background .25s ease,color .25s ease,box-shadow .25s ease,transform .35s cubic-bezier(.34,1.56,.64,1);}
.ql-card:hover .ql-ic{background:#fff;color:var(--kcs-navy);transform:scale(1.06);box-shadow:0 10px 22px rgba(0,0,0,.2);}

/* 바로가기 카드 호버 — 카드별 로고 컬러 */
.quicklinks-grid .ql-card:nth-child(1):hover{background:linear-gradient(135deg,#E7006A,#c2005a);box-shadow:0 24px 50px rgba(231,0,106,.30);}
.quicklinks-grid .ql-card:nth-child(2):hover{background:linear-gradient(135deg,#419DCE,#2c7cb0);box-shadow:0 24px 50px rgba(65,157,206,.32);}
.quicklinks-grid .ql-card:nth-child(3):hover{background:linear-gradient(135deg,#7ab63b,#5b9426);box-shadow:0 24px 50px rgba(122,182,59,.32);}
.quicklinks-grid .ql-card:nth-child(4):hover{background:linear-gradient(135deg,#555a66,#3c414c);box-shadow:0 24px 50px rgba(85,90,102,.34);}
.quicklinks-grid .ql-card:nth-child(1):hover .ql-ic{color:#E7006A;}
.quicklinks-grid .ql-card:nth-child(2):hover .ql-ic{color:#2c7cb0;}
.quicklinks-grid .ql-card:nth-child(3):hover .ql-ic{color:#5b9426;}
.quicklinks-grid .ql-card:nth-child(4):hover .ql-ic{color:#555a66;}

/* CTA 버튼 — 흰색 + 크게 (노란색 대체) */
.home-cta .btn{background:rgb(247 247 247 / 18%);color:#fff;border:none;font-weight:800;font-size:18.5px;padding:14px 46px;border-radius:12px;box-shadow:0 10px 26px rgba(0,0,0,.2);transition:transform .18s ease,box-shadow .18s ease,background .18s ease;}
.home-cta .btn:hover{background:#fff;color:#000;transform:translateY(-3px);box-shadow:0 16px 34px rgba(0,0,0,.26);}

/* ===== 협력 기관 마퀴 (무한 가로 루프) ===== */
.home-partners{padding:54px 0 60px;background:#fff;}
.home-partners .sec-head{margin-bottom:60px;}
.marquee{overflow:hidden;width:100%;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);}
.marquee-track{display:flex;align-items:center;width:max-content;animation:partnerMarquee 48s linear infinite;}
.marquee:hover .marquee-track{animation-play-state:paused;}
.p-logo{flex:none;padding:0 30px;display:flex;align-items:center;justify-content:center;}
.p-logo img{height:62px;width:auto;object-fit:contain;opacity:1;image-rendering:auto;}
.p-logo:hover img{opacity:1;filter:none;}
@keyframes partnerMarquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media(max-width:768px){.marquee-track{animation-duration:34s;}.p-logo{padding:0 22px;}.p-logo img{height:48px;}}
@media (prefers-reduced-motion: reduce){.marquee-track{animation:none;flex-wrap:wrap;justify-content:center;}}

/* 파트너 로고 링크 */
a.p-logo{text-decoration:none;cursor:pointer;}

/* ===== 푸터 정보영역 리디자인 ===== */
.site-footer .f-col h4{position:relative;padding-bottom:14px;margin-bottom:18px;}
.site-footer .f-col h4::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;width:30px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--kcs-blue),#5b9bf0);}
.f-info li{align-items:flex-start;gap:11px;}
.f-info .fi-ic{width:20px;height:20px;flex:none;margin-top:2px;color:#5b9bf0;}
.f-info li span{flex:1;width:auto;color:#aab2c5;font-weight:400;}
.f-links a{position:relative;display:inline-block;transition:color .2s ease,padding-left .2s ease;}
.f-links a::before{content:"›";position:absolute;left:-12px;opacity:0;transition:opacity .2s,left .2s;color:#5b9bf0;}
.f-links a:hover{color:#fff;padding-left:4px;}
.f-links a:hover::before{opacity:1;left:-6px;}

/* 간편 메일 문의 퀵버튼 */
.quick-mail{position:fixed;right:24px;bottom:26px;z-index:950;display:flex;align-items:center;justify-content:center;height:58px;width:58px;border-radius:50px;background:linear-gradient(135deg,#E7006A,#ff4d94);color:#fff;text-decoration:none;border:0;cursor:pointer;font-family:inherit;box-shadow:0 12px 30px rgba(231,0,106,.42);transition:width .32s cubic-bezier(.22,1,.36,1),padding .32s,box-shadow .2s;overflow:hidden;}
.quick-mail:hover{width:188px;padding-left:4px;box-shadow:0 16px 38px rgba(231,0,106,.5);}
.quick-mail svg{width:25px;height:25px;flex:none;}
.quick-mail-label{white-space:nowrap;font-weight:700;font-size:15px;max-width:0;opacity:0;transition:max-width .32s,opacity .25s,margin .32s;}
.quick-mail:hover .quick-mail-label{max-width:140px;opacity:1;margin-left:11px;}
@media(max-width:768px){.quick-mail{right:16px;bottom:18px;height:52px;width:52px;}.quick-mail:hover{width:52px;padding:0;}.quick-mail:hover .quick-mail-label{max-width:0;opacity:0;margin:0;}}

/* ===== 푸터 좌측 정렬 보정 ===== */
.footer-top .f-col,.footer-top .f-brand{text-align:left;}
.site-footer .f-col h4::after{left:0;transform:none;}

/* ===== 푸터 상단 간편문의 바 ===== */
.footer-inquiry{background:linear-gradient(120deg,#0a3270,#1f6fe5);border-bottom:1px solid rgba(255,255,255,.1);}
.fi-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 20px;}
.fi-text{display:flex;flex-direction:column;gap:4px;}
.fi-text strong{color:#fff;font-size:19px;font-weight:800;letter-spacing:-.3px;}
.fi-text span{color:rgba(255,255,255,.82);font-size:14.5px;}
.fi-btn{display:inline-flex;align-items:center;gap:9px;background:#fff;color:#0b3d91;border:0;border-radius:50px;padding:14px 28px;font-size:15.5px;font-weight:800;cursor:pointer;box-shadow:0 8px 22px rgba(0,0,0,.18);transition:transform .18s,box-shadow .18s;white-space:nowrap;}
.fi-btn svg{width:20px;height:20px;}
.fi-btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.26);}

/* ===== 간편문의 모달 ===== */
.inq-overlay{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;padding:18px;background:rgba(8,16,38,.6);}
.inq-overlay.on{display:flex;}
.inq-modal{background:#fff;border-radius:18px;width:100%;max-width:460px;max-height:92vh;overflow:auto;box-shadow:0 30px 70px rgba(0,0,0,.4);animation:inqIn .22s ease;}
@keyframes inqIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.inq-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;background:linear-gradient(135deg,#0b3d91,#1f6fe5);color:#fff;}
.inq-head h3{margin:0;font-size:19px;font-weight:800;color:#fff;}
.inq-close{background:rgba(255,255,255,.2);border:0;color:#fff;width:32px;height:32px;border-radius:50%;font-size:22px;line-height:1;cursor:pointer;flex:none;}
.inq-close:hover{background:rgba(255,255,255,.35);}
.inq-form{padding:22px 24px 26px;}
.inq-field{display:block;font-size:13.5px;font-weight:700;color:#37415a;margin-bottom:14px;}
.inq-field em{color:#e31f66;font-style:normal;}
.inq-field input,.inq-field textarea{display:block;width:100%;margin-top:7px;padding:11px 13px;border:1px solid #d8dde8;border-radius:10px;font-size:14.5px;font-family:inherit;color:#16203a;box-sizing:border-box;transition:border-color .15s,box-shadow .15s;}
.inq-field input:focus,.inq-field textarea:focus{outline:none;border-color:var(--kcs-blue);box-shadow:0 0 0 3px rgba(31,111,229,.14);}
.inq-field textarea{resize:vertical;}
.inq-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.inq-hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;}
.inq-note{font-size:12.5px;color:#8a93a8;margin:2px 0 14px;}
.inq-result{font-size:14px;font-weight:600;margin-bottom:12px;display:none;padding:11px 13px;border-radius:9px;}
.inq-result.ok{display:block;background:#e8f6ee;color:#117a3d;}
.inq-result.err{display:block;background:#fdecec;color:#c0392b;}
.inq-submit{width:100%;background:linear-gradient(135deg,#0b3d91,#1f6fe5);color:#fff;border:0;border-radius:11px;padding:14px;font-size:16px;font-weight:800;cursor:pointer;transition:filter .15s;}
.inq-submit:hover{filter:brightness(1.08);}
.inq-submit:disabled{opacity:.6;cursor:default;}
@media(max-width:768px){.fi-bar{flex-direction:column;align-items:flex-start;gap:14px;}.inq-row{grid-template-columns:1fr;}}

/* 지표 밴드 펄스 점 */
.home-stats .pulse-dot{position:absolute;width:7px;height:7px;border-radius:50%;background:var(--kcs-accent);z-index:0;pointer-events:none;box-shadow:0 0 0 0 rgba(245,166,35,.5);animation:dotPulse 2.8s ease-out infinite;}
@keyframes dotPulse{0%{transform:scale(.6);opacity:1;box-shadow:0 0 0 0 rgba(245,166,35,.55)}70%{opacity:.45;box-shadow:0 0 0 13px rgba(245,166,35,0)}100%{transform:scale(.6);opacity:1;box-shadow:0 0 0 0 rgba(245,166,35,0)}}
@media (prefers-reduced-motion: reduce){.home-stats .pulse-dot{animation:none;}}

/* 푸터 제목 모바일 비례 */
@media(max-width:768px){.site-footer .f-col h4{font-size:17px;}}

/* 푸터 리스트 모바일 비례 */
@media(max-width:768px){.f-info li{font-size:15px;}.f-links a{font-size:15px;}}

/* 푸터 아이콘 모바일 비례 */
@media(max-width:768px){.f-info .fi-ic{width:18px;height:18px;}}

/* ── 회원 페이지 ── */
.mb-wrap{padding:60px 0 80px;background:#f5f7fb;min-height:60vh;}
.mb-card{max-width:480px;margin:0 auto;background:#fff;border:1px solid #e6eaf2;border-radius:16px;padding:38px 34px;box-shadow:0 10px 30px rgba(11,61,145,.06);}
.mb-wrap .mb-card.wide{max-width:560px;}
.mb-title{font-size:25px;font-weight:800;color:var(--kcs-ink);text-align:center;margin:0 0 6px;}
.mb-sub{text-align:center;color:#7a8398;font-size:14px;margin:0 0 22px;}
.mb-msg{border-radius:9px;padding:11px 14px;font-size:14px;margin:0 0 16px;}
.mb-msg.err{background:#fdecec;color:#c0392b;border:1px solid #f6c9c4;}
.mb-msg.ok{background:#eaf7ee;color:#1e8a4c;border:1px solid #bfe6cd;}
.mb-form{display:flex;flex-direction:column;gap:14px;}
.mb-row{display:flex;gap:12px;}
.mb-row .mb-field{flex:1;min-width:0;}
.mb-field{display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:#475067;font-weight:600;}
.mb-field span em{color:var(--kcs-blue);font-style:normal;font-size:11.5px;font-weight:600;margin-left:3px;}
.mb-field input{border:1.5px solid #dde3ee;box-sizing:border-box;width:100%;border-radius:9px;padding:12px 13px;font-size:15px;font-family:inherit;color:#16203a;transition:border-color .15s,box-shadow .15s;background:#fff;}
.mb-field input:focus{outline:none;border-color:var(--kcs-blue);box-shadow:0 0 0 3px rgba(31,111,229,.13);}
.mb-field input:disabled{background:#f1f3f8;color:#9aa3b5;}
.mb-check{display:flex;align-items:flex-start;gap:8px;font-size:13.5px;color:#5a6478;line-height:1.5;}
.mb-check input{margin-top:2px;width:16px;height:16px;flex:none;accent-color:var(--kcs-blue);}
.mb-check a{color:var(--kcs-blue);text-decoration:underline;}
.mb-btn{display:inline-flex;align-items:center;justify-content:center;border:0;cursor:pointer;font-family:inherit;font-weight:700;font-size:15.5px;color:#fff;background:linear-gradient(135deg,var(--kcs-navy),var(--kcs-blue));border-radius:10px;padding:13px 20px;text-decoration:none;transition:filter .15s,transform .12s;}
.mb-btn:hover{filter:brightness(1.07);}
.mb-btn:active{transform:translateY(1px);}
.mb-btn.ghost{background:#eef1f7;color:#3a445b;}
.mb-btn.ghost:hover{background:#e3e8f2;filter:none;}
.mb-actions{display:flex;gap:10px;margin-top:6px;}
.mb-actions .mb-btn{flex:1;}
.mb-alt{text-align:center;margin:20px 0 0;font-size:14px;color:#7a8398;}
.mb-alt a{color:var(--kcs-blue);font-weight:700;text-decoration:none;}
.mb-help{text-align:center;margin:10px 0 0;font-size:12.5px;color:#9aa3b5;}
.mb-welcome{font-size:16px;color:#2b3550;margin:0 0 18px;text-align:center;}
.mb-info{margin:0 0 22px;border-top:2px solid var(--kcs-navy);}
.mb-info dt{float:left;clear:left;width:96px;padding:11px 0;color:#8089a0;font-size:13.5px;font-weight:600;}
.mb-info dd{margin:0 0 0 96px;padding:11px 0;border-bottom:1px solid #edf0f6;font-size:14.5px;color:#16203a;}
@media(max-width:768px){
  .mb-wrap{padding:34px 0 50px;}
  .mb-card{margin:0 16px;padding:28px 22px;}
  .mb-row{flex-direction:column;gap:14px;}
  .mb-title{font-size:22px;}
}

/* 헤더 회원 링크 */
.hdr-member{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:#3a445b;text-decoration:none;padding:7px 11px;border-radius:8px;transition:background .15s,color .15s;}
.hdr-member svg{width:17px;height:17px;}
.hdr-member:hover{background:#eef2f9;color:var(--kcs-navy);}
@media(max-width:768px){.hdr-member span{display:none;}.hdr-member{padding:7px;}}

/* 섹션 헤딩 모바일 비례 */
@media(max-width:768px){
  .sec-head{margin-bottom:40px;}
  .sec-head h2{font-size:29px;}
  .home-partners .sec-head{margin-bottom:40px;}
}

/* ===== 모바일 푸터: 로고 센터 · 기관정보 풀폭 · 바로가기/인증분야 2열 ===== */
@media(max-width:768px){
  .footer-top{grid-template-columns:1fr 1fr;gap:30px 22px;padding:40px 20px 28px;}
  .footer-top .f-brand{grid-column:1 / -1;text-align:center;}
  .footer-top .f-brand .f-logo img{margin-left:auto;margin-right:auto;}
  .footer-top > .f-col:nth-child(2){grid-column:1 / -1;}   /* 기관정보 풀폭 */
  .footer-top > .f-col:nth-child(3),
  .footer-top > .f-col:nth-child(4){grid-column:span 1;}    /* 바로가기·인증분야 2열 */
  /* 카피라이트를 컬럼과 떨어뜨려 여유 */
  .footer-top{padding-bottom:48px;}
  .footer-bottom-in{flex-direction:row;justify-content:space-between;align-items:center;padding:20px;flex-wrap:wrap;gap:0;}
  .footer-bottom p{margin-top:15px;font-size:13px;color:#7e8aa6;}
  .footer-bottom .c-br{display:inline;}
}

/* ── FAQ 페이지 아코디언 ── */
.faq-cat{font-size:15px;font-weight:800;color:var(--kcs-blue);margin:30px 0 12px;letter-spacing:-.2px;}
.faq-cat:first-child{margin-top:0;}
.faq-list{max-width:1100px;}
/* 인증 문의 박스(교육 등 페이지 공용) */
.biz-contact{display:flex;flex-wrap:wrap;gap:24px;align-items:center;background:linear-gradient(135deg,#0b3d91,#1f6fe5);border-radius:18px;padding:26px 32px;color:#fff;}
.biz-contact .ct{font-size:15px;font-weight:600;opacity:.92;}
.biz-contact .cv{font-size:20px;font-weight:800;margin-top:3px;}
.biz-contact a{color:#fff;text-decoration:none;}
.biz-contact .vline{width:1px;align-self:stretch;background:rgba(255,255,255,.25);}
@media(max-width:820px){.biz-contact{flex-direction:column;align-items:flex-start;gap:16px;}.biz-contact .vline{display:none;}}
.faq-item{border:1px solid var(--kcs-line);border-radius:12px;margin-bottom:12px;background:#fff;overflow:hidden;transition:box-shadow .2s,border-color .2s;}
.faq-item.open{border-color:var(--kcs-blue);box-shadow:0 8px 24px rgba(11,61,145,.08);}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;padding:18px 20px;background:none;border:0;cursor:pointer;text-align:left;font-family:inherit;}
.faq-qmark{flex:none;width:28px;height:28px;border-radius:8px;background:var(--kcs-navy);color:#fff;font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;}
.faq-qtext{flex:1;font-size:16px;font-weight:700;color:var(--kcs-ink);line-height:1.5;}
.faq-ic{flex:none;width:20px;height:20px;position:relative;transition:transform .25s;}
.faq-ic::before,.faq-ic::after{content:"";position:absolute;background:#8a93a8;border-radius:2px;}
.faq-ic::before{top:9px;left:2px;right:2px;height:2px;}
.faq-ic::after{left:9px;top:2px;bottom:2px;width:2px;transition:opacity .25s;}
.faq-item.open .faq-ic::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s;padding:0 20px 0 62px;font-size:15px;line-height:1.8;color:#48506a;}
.faq-item.open .faq-a{max-height:1000px;padding:0 20px 20px 62px;}
.faq-a p{margin:0 0 10px;}
.faq-a p:last-child{margin-bottom:0;}
@media(max-width:768px){
  .faq-q{padding:15px 15px;gap:11px;}
  .faq-qtext{font-size:15px;}
  .faq-a{padding-left:15px;}
  .faq-item.open .faq-a{padding:0 15px 16px 15px;}
}