/* ㈜우성프레이팅 — 사이트 공통 스타일
   색: 로고 남색 #001F46 기준 / 글꼴: Pretendard (CDN, 쓰인 글자만 내려받음) */

:root{
  --navy:#001f46; --navy2:#0b2d5b; --blue:#013f98; --sky:#009fe8;
  --ink:#111a2b; --ink2:#4a5568; --ink3:#8691a3;
  --line:#dde3ec; --line2:#eef1f6;
  --bg:#fff; --soft:#f4f6fa; --soft2:#e9eef5;
  --ok:#1f7a3a; --warn:#9a6200; --danger:#b3261e;
  --r:10px; --r-sm:6px;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 4px 16px rgba(16,24,40,.06);
  --shadow-h:0 2px 4px rgba(16,24,40,.06),0 12px 32px rgba(16,24,40,.12);
  --max:1200px; --hdr:72px;
}

/* ───── 기본 ───── */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 12px)}
body{margin:0;font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic","맑은 고딕",sans-serif;
  font-size:16px;line-height:1.65;color:var(--ink);background:var(--bg);word-break:keep-all;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.3;letter-spacing:-.02em;margin:0}
h1{font-size:clamp(28px,3.4vw,40px);font-weight:800}
h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;margin-bottom:18px}
h3{font-size:18px;font-weight:700;margin-bottom:8px}
p{margin:0 0 12px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.lead{font-size:clamp(16px,1.5vw,18px);color:var(--ink2);margin:0 0 20px}
.muted{color:var(--ink3);font-size:14px}
b,strong{font-weight:700}
:focus-visible{outline:2px solid var(--sky);outline-offset:2px}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:8px 12px;z-index:200}
.skip:focus{left:12px;top:12px}

/* ───── 헤더 ───── */
.site-hd{position:sticky;top:0;z-index:100;background:var(--navy);color:#fff;transition:box-shadow .2s}
.site-hd.scrolled{box-shadow:0 2px 12px rgba(0,0,0,.25)}
.site-hd .wrap{display:flex;align-items:center;height:var(--hdr);gap:24px}
.logo{display:flex;align-items:center;gap:14px;text-decoration:none;flex:none}
.logo img{height:44px;width:auto}
.logo .since{font-size:11px;letter-spacing:.24em;font-weight:600;color:#9fb6d6;border-left:1px solid rgba(255,255,255,.25);padding-left:14px;white-space:nowrap}
.gnb{margin-left:auto;display:flex;gap:4px}
.gnb a{display:block;padding:10px 14px;border-radius:var(--r-sm);text-decoration:none;font-weight:600;font-size:15.5px;color:rgba(255,255,255,.82);position:relative;white-space:nowrap}
.gnb a:hover{color:#fff;background:rgba(255,255,255,.07)}
.gnb a.on{color:#fff}
.gnb a.on::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--sky);border-radius:2px}
.nav-btn{display:none;margin-left:auto;width:44px;height:44px;border:0;background:transparent;color:#fff;cursor:pointer;border-radius:var(--r-sm)}
.nav-btn svg{width:26px;height:26px;stroke:currentColor;stroke-width:2;fill:none}
@media (max-width:960px){
  :root{--hdr:62px}
  .logo img{height:36px}
  .logo .since{font-size:10px;padding-left:10px;letter-spacing:.2em}
  .nav-btn{display:block}
  .gnb{position:absolute;left:0;right:0;top:var(--hdr);flex-direction:column;gap:0;background:var(--navy2);padding:8px 16px 16px;
    box-shadow:0 12px 24px rgba(0,0,0,.25);display:none}
  .site-hd.open .gnb{display:flex}
  .gnb a{padding:14px 8px;border-bottom:1px solid rgba(255,255,255,.08);border-radius:0;font-size:16px}
  .gnb a.on::after{left:8px;right:auto;width:24px;bottom:8px}
}

/* ───── 섹션 ───── */
.sec{padding:72px 0}
.sec + .sec{padding-top:0}
.sec.alt{background:var(--soft);padding-top:72px}
.sec.alt + .sec{padding-top:72px}
.sec-head{margin-bottom:28px}
.sec-head h2{margin-bottom:8px}
.sec-head p{color:var(--ink2);margin:0}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--blue);margin-bottom:10px;text-transform:uppercase}
@media (max-width:820px){ .sec,.sec.alt,.sec.alt + .sec{padding:48px 0} .sec + .sec{padding-top:0} .sec.alt + .sec{padding-top:48px} }

/* 하위 페이지 머리 */
.page-head{background:linear-gradient(180deg,var(--soft) 0%,#fff 100%);padding:56px 0 40px;border-bottom:1px solid var(--line2)}
.crumb{font-size:13px;color:var(--ink3);margin-bottom:12px}
.crumb a{text-decoration:none}
.crumb a:hover{text-decoration:underline}
.page-head h1{margin-bottom:12px}
.page-head .lead{margin:0;max-width:760px}
.page-head .cover{margin:28px 0 0;border-radius:var(--r);overflow:hidden;aspect-ratio:21/8;background:var(--soft2)}
.page-head .cover img{width:100%;height:100%;object-fit:cover;object-position:50% 55%}
@media (max-width:820px){ .page-head{padding:36px 0 28px} .page-head .cover{aspect-ratio:16/10} }

/* ───── 공통 블록 ───── */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:820px){ .g2,.g3{grid-template-columns:1fr} .g4{grid-template-columns:repeat(2,1fr);gap:12px} }
.box{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px}
.box.fill{background:var(--soft);border-color:transparent}
.box h3:last-child{margin-bottom:0}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;border-radius:var(--r-sm);border:1.5px solid var(--navy);
  background:#fff;color:var(--navy);font:inherit;font-weight:700;font-size:15px;text-decoration:none;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn:hover{background:var(--soft)}
.btn.solid{background:var(--navy);color:#fff}
.btn.solid:hover{background:var(--blue);border-color:var(--blue)}
.btn.wide{display:flex;width:100%}
.btn.ghost{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}
.btn.ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn.sky{background:var(--sky);border-color:var(--sky);color:#fff}
.btn.sky:hover{background:#0b8ccc;border-color:#0b8ccc}

table{width:100%;border-collapse:collapse;font-size:15px;background:#fff}
th,td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
th{font-weight:700;color:var(--ink);background:var(--soft)}
tr:first-child th,tr:first-child td{border-top:2px solid var(--navy)}
.tbl{border-radius:var(--r);overflow:hidden}

.std{display:inline-block;margin:6px 0 0;padding:4px 12px;border-radius:999px;background:var(--soft2);color:var(--navy);font-size:13px;font-weight:700}
.todo{display:inline-block;background:#fff7e0;border:1px solid #f0d58a;color:#8a6d00;font-size:12px;padding:1px 8px;border-radius:4px}

/* ───── 홈: 히어로 ───── */
.hero{position:relative;height:clamp(460px,78vh,720px);overflow:hidden;background:var(--navy);color:#fff}
.hero .slides img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.4s ease}
.hero .slides img.on{opacity:1}
.hero .shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,31,70,.92) 0%,rgba(0,31,70,.72) 38%,rgba(0,31,70,.15) 78%),linear-gradient(0deg,rgba(0,31,70,.55) 0%,rgba(0,31,70,0) 40%)}
.hero .txt{position:absolute;inset:0;display:flex;align-items:center}
.hero .txt .wrap{width:100%}
.hero .eyebrow{color:#7cc8f2}
.hero h1{color:#fff;font-size:clamp(30px,4.2vw,52px);line-height:1.22;max-width:780px;margin-bottom:14px}
.hero .sub{font-size:clamp(16px,1.7vw,20px);color:rgba(255,255,255,.88);margin:0 0 30px}
.hero .years{display:flex;gap:40px;margin-bottom:34px}
.hero .years b{display:block;font-size:clamp(34px,4.2vw,52px);line-height:1;font-weight:800;letter-spacing:-.03em}
.hero .years b small{font-size:.45em;font-weight:700;margin-left:2px}
.hero .years span{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.75)}
.hero .cta{display:flex;gap:10px;flex-wrap:wrap}
.hero .dots{position:absolute;left:0;right:0;bottom:26px}
.hero .dots .wrap{display:flex;gap:8px}
.hero .dots button{width:28px;height:4px;border:0;border-radius:2px;background:rgba(255,255,255,.35);padding:0;cursor:pointer;transition:background .3s,width .3s}
.hero .dots button.on{background:#fff;width:44px}
@media (max-width:820px){
  .hero{height:auto;min-height:560px}
  .hero .shade{background:linear-gradient(180deg,rgba(0,31,70,.55) 0%,rgba(0,31,70,.85) 60%,rgba(0,31,70,.95) 100%)}
  .hero .txt{position:relative;min-height:560px;align-items:flex-end;padding:96px 0 72px}
  .hero .years{gap:28px}
  .hero .cta .btn{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){ .hero .slides img{transition:none} }

/* ───── 홈: 두 갈래 ───── */
.doors{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.door{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.door:hover{transform:translateY(-3px);box-shadow:var(--shadow-h)}
.door .img{aspect-ratio:16/8;background:var(--soft2);overflow:hidden}
.door .img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.door:hover .img img{transform:scale(1.04)}
.door .body{padding:28px 28px 26px;display:flex;flex-direction:column;flex:1}
.door .tag{font-size:13px;font-weight:700;color:var(--blue);letter-spacing:.06em;margin-bottom:8px}
.door h3{font-size:24px;margin-bottom:10px}
.door .items{color:var(--ink2);font-size:15px;margin:0 0 18px}
.door dl{margin:0 0 22px;display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:15px;padding:16px 18px;background:var(--soft);border-radius:var(--r-sm)}
.door dt{color:var(--ink3);white-space:nowrap}
.door dd{margin:0;font-weight:600}
.door dd b{color:var(--navy)}
.door .go{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-weight:700;color:var(--navy);padding-top:16px;border-top:1px solid var(--line2)}
.door .go i{font-style:normal;width:36px;height:36px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;transition:background .2s}
.door:hover .go i{background:var(--sky)}
@media (max-width:820px){ .doors{grid-template-columns:1fr} .door .body{padding:22px} .door h3{font-size:21px} }

/* ───── 대·중형: 서비스 · 전/후 사진 ───── */
.svc{margin-bottom:48px}
.svc:last-child{margin-bottom:0}
.svc-head{max-width:820px;margin-bottom:18px}
.svc-head h2{margin-bottom:8px}
.svc-head p{color:var(--ink2);margin:0 0 6px}
.svc-head p.muted{color:var(--ink3)}
.ba-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ba{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.ba figcaption{font-weight:700;padding:12px 16px;border-bottom:1px solid var(--line2)}
.ba-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--soft2)}
.ba-img + .ba-img{border-top:2px solid #fff}
.ba-img img{width:100%;height:100%;object-fit:cover;cursor:zoom-in;transition:transform .3s}
.ba-img img:hover{transform:scale(1.03)}
.ba-img span{position:absolute;left:10px;top:10px;background:rgba(0,31,70,.82);color:#fff;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;pointer-events:none}
.ba-img + .ba-img span{background:var(--sky)}
@media (max-width:820px){ .ba-grid{grid-template-columns:1fr} }

/* 확대 보기 */
#lb{position:fixed;inset:0;z-index:300;background:rgba(5,12,24,.95);display:none;align-items:center;justify-content:center;flex-direction:column;cursor:zoom-out}
#lb.on{display:flex}
#lb img{max-width:92vw;max-height:80vh;border-radius:4px}
#lb .lb-cap{color:#fff;font-size:15px;margin:12px 0 0;text-align:center}
#lb .lb-x{position:absolute;top:12px;right:12px;width:48px;height:48px;border:0;border-radius:50%;background:rgba(255,255,255,.16);color:#fff;font-size:30px;line-height:48px;padding:0;cursor:pointer}
#lb .lb-x:hover{background:rgba(255,255,255,.3)}

/* ───── 소형: 제품 사진 ───── */
.pimg{margin:0 0 14px;aspect-ratio:4/3;overflow:hidden;background:var(--soft2);border-radius:var(--r-sm)}
.pimg img{width:100%;height:100%;object-fit:cover}
.parts .box{padding:14px 14px 16px;box-shadow:var(--shadow)}
.parts .box h3{margin:0;font-size:16px}
.more-parts{margin-top:20px}
.more-parts h3{font-size:16px}
.more-parts p{margin:6px 0 0}

/* ───── 처리 범위 표 ───── */
.spec .box{padding:0;overflow:hidden}
.spec .box h3{padding:18px 22px;margin:0;background:var(--navy);color:#fff;font-size:17px}
.spec table th{width:96px;background:var(--soft);white-space:nowrap}
.spec table tr:first-child th,.spec table tr:first-child td{border-top:0}
.spec table tr:last-child th,.spec table tr:last-child td{border-bottom:0}
.spec table b{color:var(--navy)}
.spec-note{margin-top:14px}

/* ───── 공정 흐름 ───── */
.flow-block{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;margin-bottom:14px}
.flow-block h3{font-size:16px;margin:0 0 14px}
.flow{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:12px 0}
.flow .st{position:relative;margin-right:22px;padding:8px 12px;border:1.5px solid var(--line);border-radius:var(--r-sm);background:#fff;font-size:14px;font-weight:600;white-space:nowrap;display:flex;align-items:center;gap:6px}
.flow .st:last-child{margin-right:0}
.flow .st:not(:last-child)::after{content:"";position:absolute;right:-16px;top:50%;width:8px;height:8px;border-top:2px solid var(--ink3);border-right:2px solid var(--ink3);transform:translateY(-50%) rotate(45deg)}
.flow .st.key{background:var(--navy);border-color:var(--navy);color:#fff}
.flow .st.opt{border-style:dashed;color:var(--ink2)}
.flow .st small{font-size:11px;font-weight:600;color:var(--ink3);background:var(--soft);padding:1px 6px;border-radius:4px}
@media (min-width:961px){ .flow .st{margin-right:18px;padding:8px 10px} .flow .st:not(:last-child)::after{right:-13px;width:7px;height:7px} }
.ctrl{margin-top:16px}
ul.lot{margin:6px 0 0;padding:0;list-style:none;columns:2;column-gap:40px}
ul.lot li{position:relative;padding-left:18px;margin:0 0 8px;break-inside:avoid}
ul.lot li::before{content:"";position:absolute;left:0;top:.65em;width:7px;height:7px;border-radius:50%;background:var(--sky)}
@media (max-width:820px){ ul.lot{columns:1} }

/* 추가 검사 표 */
.tests{max-width:820px}
.tests th{width:140px}
.bul{margin:14px 0 0;padding-left:18px;color:var(--ink2);font-size:15px}
.bul li{margin-bottom:4px}

/* ───── 견적 요청 ───── */
.qwrap{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start}
.qform{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow)}
.qf{margin-bottom:18px}
.qf > label,.qf label:first-child{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
.qf em{color:var(--danger);font-style:normal}
.qf.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.qf.two3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.qf.two > div > label,.qf.two3 > div > label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
.qform input:not([type=radio]):not([type=checkbox]),.qform select,.qform textarea{
  width:100%;border:1px solid var(--line);background:#fff;padding:11px 12px;font:inherit;font-size:15px;border-radius:var(--r-sm);color:var(--ink);transition:border-color .15s,box-shadow .15s}
.qform input:focus,.qform select:focus,.qform textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(1,63,152,.12)}
.qform select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink3) 50%),linear-gradient(135deg,var(--ink3) 50%,transparent 50%);
  background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:36px}
.qform .etc{margin-top:8px}
.qform textarea{resize:vertical}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg label,.qf .seg label{display:inline-block;margin:0;font-size:inherit;font-weight:400;cursor:pointer}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:inline-flex;align-items:center;gap:4px;min-height:40px;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:14.5px;background:#fff;transition:all .15s}
.seg label:hover span{border-color:var(--ink3)}
.seg input:checked + span{background:var(--navy);color:#fff;border-color:var(--navy)}
.seg input:focus-visible + span{outline:2px solid var(--sky);outline-offset:2px}
.seg span small{font-size:11px;color:var(--ink3);margin-left:2px;font-weight:500}
.seg input:checked + span small{color:#b9cbe4}
.seg label.off{cursor:not-allowed}
.seg label.off span{opacity:.35}
.qhint{font-size:13px;margin-top:8px}
.qnote{background:var(--soft);border-left:3px solid var(--sky);border-radius:var(--r-sm);padding:14px 16px;margin:0 0 18px;font-size:14.5px;line-height:1.75}
.chk{display:flex;align-items:center;gap:8px;font-size:14px}
.qside{position:sticky;top:calc(var(--hdr) + 16px)}
.qprev-h{font-size:14px;font-weight:700;margin-bottom:8px}
.qprev{margin:0;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--soft);padding:16px 18px;white-space:pre-wrap;word-break:keep-all;font-family:inherit;font-size:14.5px;line-height:1.75;min-height:220px}
.qmiss{font-size:14px;margin:10px 0 16px}
.qmiss.warn{color:var(--warn)}
.qmiss.ok{color:var(--ok)}
.qbtns{display:grid;gap:10px}
.qbtns .btn.kakao{background:#FEE500;color:#191919;border-color:#FEE500}
.qbtns .btn.kakao:hover{background:#f5dc00}
.kk-ico{width:20px;height:20px;fill:#191919}
#kkdlg{position:fixed;inset:0;z-index:300;background:rgba(5,12,24,.6);display:none;align-items:flex-end;justify-content:center;padding:16px}
#kkdlg.on{display:flex}
#kkdlg .kk-card{width:100%;max-width:420px;background:#fff;border-radius:14px;padding:24px 20px 20px;box-shadow:0 12px 40px rgba(0,0,0,.25)}
#kkdlg h3{margin:0 0 14px;font-size:18px;color:var(--navy)}
#kkdlg ol{margin:0 0 16px;padding-left:22px;font-size:15.5px;line-height:1.7}
#kkdlg .kk-fail{margin:0 0 14px;font-size:14px;color:#7a4a00}
#kkdlg .kk-fail:empty{display:none}
#kkdlg .btn{width:100%}
#kkdlg .btn + .btn{margin-top:8px}
#kkdlg .kk-go{background:#FEE500;color:#191919;border-color:#FEE500}
.qkk{font-size:13px;margin:-2px 0 4px;line-height:1.55}
.qaddr{margin:2px 0 0;font-size:13px}
.qtoast{font-size:14px;margin-top:12px;padding:12px 14px;border-radius:var(--r-sm);background:#eaf4fc;border-left:3px solid var(--sky);display:none}
.qtoast.on{display:block}
.qtoast.warn{background:#fdf3e7;border-left-color:#c77700;color:#7a4a00}
body.is-desktop .only-mobile{display:none}
body.is-mobile .only-desktop{display:none}
@media (max-width:820px){
  .qwrap{grid-template-columns:1fr}
  .qside{position:static}
  .qform{padding:20px}
  .qf.two,.qf.two3{grid-template-columns:1fr}
}

/* ───── FAQ ───── */
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r);margin-bottom:10px;overflow:hidden}
.faq summary{cursor:pointer;padding:18px 52px 18px 20px;font-weight:700;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--navy);color:#fff;font-size:12px;margin-right:10px;vertical-align:1px}
.faq summary::after{content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;border-right:2px solid var(--ink3);border-bottom:2px solid var(--ink3);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details[open] summary{border-bottom:1px solid var(--line2)}
.faq .a{padding:16px 20px 18px 54px;color:var(--ink2)}
.faq .a p{margin:0 0 8px;line-height:1.75}
.faq .a p:last-child{margin:0}
.faq .a b{color:var(--ink)}

/* ───── 실적 ───── */
table.perf{max-width:900px}
table.perf th.y{width:90px;text-align:center;color:var(--navy)}
table.perf td:last-child{font-variant-numeric:tabular-nums;white-space:nowrap}
table.perf tr:first-child th{background:var(--navy);color:#fff;border-top:0}
@media (max-width:620px){ table.perf{font-size:14px} table.perf th,table.perf td{padding:10px 8px} table.perf th.y{width:56px} table.perf td:last-child{white-space:normal} }

/* ───── 회사소개 ───── */
.strengths .box{border-top:4px solid var(--navy);box-shadow:var(--shadow)}
.strengths .num{font-size:13px;font-weight:800;color:var(--sky);letter-spacing:.1em;display:block;margin-bottom:6px}
.strengths h3{font-size:21px;color:var(--navy)}
.strengths p{color:var(--ink2);margin:0}
.hist{list-style:none;margin:0;padding:0;max-width:760px;position:relative}
.hist::before{content:"";position:absolute;left:68px;top:8px;bottom:8px;width:2px;background:var(--line)}
.hist li{display:grid;grid-template-columns:68px 1fr;gap:28px;padding:12px 0;position:relative}
.hist li::before{content:"";position:absolute;left:62px;top:20px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--navy)}
.hist li.key::before{background:var(--sky);border-color:var(--sky)}
.hist time{font-weight:800;color:var(--navy);font-size:18px}
.hist li.key span{font-weight:700}
.org{display:flex;flex-direction:column;align-items:center;max-width:780px;margin:0 auto}
.org .node{border:1.5px solid var(--navy);border-radius:var(--r-sm);background:#fff;padding:11px 24px;font-weight:700;text-align:center;white-space:nowrap}
.org .node.top{background:var(--navy);color:#fff}
.org .vline{width:2px;height:22px;background:var(--navy)}
.org .branches{display:grid;grid-template-columns:1fr 1fr;width:100%;position:relative;padding-top:22px}
.org .branches::before{content:"";position:absolute;top:0;left:25%;right:25%;height:2px;background:var(--navy)}
.org .br{display:flex;flex-direction:column;align-items:center;position:relative}
.org .br::before{content:"";position:absolute;top:-22px;left:50%;width:2px;height:22px;background:var(--navy);transform:translateX(-1px)}
.org .leaves{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.org .node.leaf{font-weight:600;background:var(--soft);border:1px solid var(--line)}
@media (max-width:820px){ .org .leaves{flex-direction:column;align-items:center} .org .node{padding:9px 14px;font-size:14px} }
.loc{display:block}
.nmap{display:block;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#eef3f8;text-decoration:none;color:var(--ink);align-self:start}
.nm-inner{position:relative}
.nm-inner img{display:block;width:100%;height:auto}
.nm-ov{position:absolute;inset:0;width:100%;height:100%}
.nm-ov text{font-family:inherit}
.lm-ln{stroke-width:4}
.lm-ring{fill:rgba(255,255,255,.35);stroke-width:6}
.lm-ln.ic,.lm-ring.ic{stroke:#0b7a43}
.lm-ln.st,.lm-ring.st{stroke:#e39600}
.lm-ln.sd,.lm-ring.sd{stroke:none;fill:none}
.lm-out{fill:#fff;stroke:rgba(0,31,70,.25);stroke-width:2;filter:drop-shadow(0 4px 8px rgba(0,31,70,.25))}
.lm-fill.ic{fill:#0b7a43}
.lm-fill.st{fill:#f0a000}
.lm-fill.sd{fill:var(--sky)}
.lm-name{fill:#fff;font-size:28px;font-weight:800}
.lm-time{fill:var(--navy);font-size:23px;font-weight:700}
.co-tag{fill:var(--navy)}
.co-t{fill:#fff;font-size:31px;font-weight:800}
.co-ring{fill:rgba(0,159,232,.18);stroke:var(--sky);stroke-width:6}
.nm-hint{display:none}
.sk-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 16px;background:#fff;border-top:1px solid var(--line)}
.sk-bar b{font-size:14px;color:#03a94f;white-space:nowrap}
.nmap:hover .sk-bar b{text-decoration:underline}
.sk-src{font-size:11px;color:#9aa6b6}
@media (max-width:600px){
  .nm-pan{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .nm-pan::-webkit-scrollbar{display:none}
  .nm-inner{width:640px}
  .nm-ov .sk-mag{transform:scale(1.6)}
  .nm-hint{display:inline;font-size:12px;color:#9aa6b6}
  .sk-bar{flex-wrap:wrap;row-gap:2px}
}

/* ───── 푸터 ───── */
.site-ft{background:var(--navy);color:#b9c8dd;margin-top:0;padding:48px 0 40px;font-size:14px}
.site-ft .top{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.site-ft .fnav{display:flex;gap:6px 22px;flex-wrap:wrap}
.site-ft .fnav a{text-decoration:none;color:#dfe8f4;font-weight:600}
.site-ft .fnav a:hover{color:#fff;text-decoration:underline}
.ft-contact{display:grid;grid-template-columns:1fr 1.35fr;gap:12px;margin-bottom:24px;max-width:820px}
.ft-contact a{display:block;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);padding:16px 18px;text-decoration:none;color:#fff;height:100%;transition:background .15s}
.ft-contact a:hover{background:rgba(255,255,255,.11)}
.ft-contact a span{display:block;font-size:13px;color:#9fb6d6;margin-bottom:2px}
.ft-contact a b{font-size:18px;word-break:break-all}
.ft-mail{position:relative}
.ft-copy{position:absolute;right:12px;top:12px;font:inherit;font-size:12px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:4px;color:#fff;padding:4px 10px;cursor:pointer}
.ft-copy:hover{background:rgba(255,255,255,.22)}
.ft-info{color:#8ea6c6;line-height:1.8}
.ft-info .copy{display:block;margin-top:6px;color:#6f89ab;font-size:13px}
@media (max-width:820px){ .ft-contact{grid-template-columns:1fr} .site-ft{padding:36px 0 32px} }

/* 보정 */
.nw{white-space:nowrap}
.spec table th{background:#fff;color:var(--ink3);font-weight:600}
/* DI water */
.flow .st.di{border-color:var(--sky);color:var(--blue);background:#eef8fe}
.flow-note{font-size:14px;color:var(--ink2);margin:4px 0 0}
.flow-note b{color:var(--blue)}
.sec.alt .box.fill{background:#fff;border:1px solid var(--line)}
/* 용어 주석 */
.fn{list-style:none;margin:18px 0 0;padding:0;font-size:13px;color:var(--ink3);line-height:1.7}
.fn li{position:relative;padding-left:16px;margin-bottom:2px}
.fn li::before{content:"※";position:absolute;left:0}
.fn b{color:var(--ink2);font-weight:600}
/* 푸터 길찾기 */
.ft-map{display:inline-flex;align-items:center;gap:4px;margin:0 4px;padding:2px 10px;border-radius:999px;background:rgba(3,199,90,.16);color:#7fe3ac;text-decoration:none;font-size:13px;font-weight:600;white-space:nowrap;vertical-align:1px}
.ft-map:hover{background:rgba(3,199,90,.28);color:#fff}
.ft-map svg{width:13px;height:13px;fill:currentColor}