:root{
  --navy:#071b36;
  --navy-deep:#04152b;
  --blue:#1185d8;
  --text:#0a2039;
  --muted:#65758a;
  --line:#dde5ed;
  --soft:#f6f8fb;
  --max:1380px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,"Noto Sans KR",sans-serif;color:var(--text);background:#fff}
a{text-decoration:none;color:inherit}
button{font:inherit}
img{max-width:100%;display:block}

.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid #edf1f5;backdrop-filter:blur(10px)}
.header-inner{height:76px;max-width:var(--max);margin:auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{font-family:Arial Black,Arial,sans-serif;font-size:25px;font-weight:900;letter-spacing:-1px;color:#072b56;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:31px;font-size:14px;font-weight:700;color:#132d4b}
.main-nav a{padding:29px 0;position:relative;white-space:nowrap}
.main-nav a:after{content:"";position:absolute;left:0;right:0;bottom:20px;height:2px;background:var(--blue);transform:scaleX(0);transition:.2s}
.main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
.menu-toggle{display:none;border:0;background:transparent;width:42px;height:42px;padding:7px;cursor:pointer}
.menu-toggle span{display:block;height:2px;background:#13304e;margin:6px 0}

.hero{position:relative;min-height:540px;overflow:hidden;background:url('../../images/main/main_hero.png') center 48%/cover no-repeat;color:#fff}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,21,43,.995) 0%,rgba(4,21,43,.985) 31%,rgba(4,21,43,.91) 42%,rgba(4,21,43,.66) 55%,rgba(4,21,43,.23) 76%,rgba(4,21,43,.05) 100%)}
.hero-inner{position:relative;z-index:1;max-width:var(--max);min-height:540px;margin:auto;padding:72px 32px;display:flex;align-items:center}
.hero-copy{max-width:720px}
.hero-line{width:42px;height:3px;background:var(--blue);margin-bottom:20px}
.hero h1{font-size:50px;line-height:1.18;letter-spacing:-2.1px;margin:0 0 20px;font-weight:900}
.hero p{font-size:18px;line-height:1.7;margin:0;max-width:700px;color:#f2f6fa;font-weight:500}

.business-section{max-width:var(--max);margin:auto;padding:64px 32px 72px}
.eyebrow{color:#0b72c5;font-size:12px;letter-spacing:2.3px;font-weight:900;margin-bottom:8px}
.section-title{font-size:40px;line-height:1.15;letter-spacing:-1.7px;margin:0 0 28px}
.business-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.business-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;transition:.2s;min-width:0}
.business-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(18,45,73,.10)}
.card-image{aspect-ratio:16/10;background:#eef2f6;overflow:hidden}
.card-image img{width:100%;height:100%;object-fit:cover}
.business-card.component .card-image img{object-position:center 52%}
.business-card.smart-lighting .card-image img{object-position:center 55%}
.business-card.smart-farm .card-image img{object-position:center 55%}
.card-body{min-height:86px;padding:18px 20px 17px;display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.card-title-wrap h3{font-size:20px;line-height:1.2;margin:0;font-weight:800;color:#0a2039}
.card-title-wrap p{font-size:12px;margin:7px 0 0;color:#607289}
.card-arrow{font-size:23px;line-height:1;color:#0d5c9b;margin-top:1px}

.site-footer{background:#263442;color:#cbd4dc;border-top:1px solid #334555}
.footer-inner{max-width:var(--max);min-height:108px;margin:auto;padding:24px 32px;display:flex;align-items:center;gap:42px}
.footer-brand{font-family:Arial Black,Arial,sans-serif;font-weight:900;font-size:24px;letter-spacing:-1px;color:#aeb9c2;white-space:nowrap}
.footer-info{font-size:13px;line-height:1.8;color:#d1d8de}
.footer-copy{font-size:12px;color:#aeb9c2;margin-left:auto;white-space:nowrap}

.sub-hero{height:230px;background:linear-gradient(135deg,#071a35,#0d365f);display:flex;align-items:center;color:#fff}
.sub-hero-inner{max-width:var(--max);width:100%;margin:auto;padding:0 32px}
.sub-hero .eyebrow{color:#67b9ff}
.sub-hero h1{font-size:42px;margin:7px 0 0;letter-spacing:-1.5px}
.sub-content{max-width:var(--max);min-height:420px;margin:auto;padding:60px 32px}
.empty-space{height:280px;border-top:1px solid transparent}

@media(max-width:1060px){
  .main-nav{gap:20px;font-size:13px}
  .business-grid{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:44px}
  .footer-inner{flex-wrap:wrap;gap:16px 30px}
  .footer-copy{margin-left:0;width:100%}
}
@media(max-width:820px){
  .header-inner{height:68px;padding:0 20px}
  .brand{font-size:20px}
  .menu-toggle{display:block}
  .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 10px 25px rgba(0,0,0,.08);padding:10px 20px 18px}
  .main-nav.open{display:block}
  .main-nav a{display:block;padding:14px 4px;border-bottom:1px solid #edf1f5}
  .main-nav a:last-child{border-bottom:0}
  .main-nav a:after{display:none}
  .hero{min-height:470px;background-position:58% 48%}
  .hero-inner{min-height:470px;padding:60px 20px}
  .hero:before{background:linear-gradient(90deg,rgba(4,21,43,.995) 0%,rgba(4,21,43,.98) 50%,rgba(4,21,43,.75) 72%,rgba(4,21,43,.35) 100%)}
  .hero-copy{max-width:620px}
  .hero h1{font-size:38px;letter-spacing:-1.4px}
  .hero p{font-size:16px}
  .business-section{padding:50px 20px 58px}
  .section-title{font-size:34px}
  .footer-inner{padding:22px 20px}
  .sub-hero-inner,.sub-content{padding-left:20px;padding-right:20px}
}
@media(max-width:560px){
  .hero{min-height:430px;background-position:62% 48%}
  .hero-inner{min-height:430px;align-items:flex-end;padding-bottom:46px}
  .hero h1{font-size:31px;line-height:1.22;margin-bottom:16px}
  .hero p{font-size:14px;line-height:1.65}
  .business-grid{grid-template-columns:1fr}
  .card-image{aspect-ratio:16/9}
  .section-title{font-size:30px}
  .footer-inner{display:block;min-height:0}
  .footer-brand{margin-bottom:12px}
  .footer-info{font-size:12px}
  .footer-copy{margin-top:10px;white-space:normal}
  .sub-hero{height:190px}
  .sub-hero h1{font-size:32px}
}

/* ===== 2026-08 최종 위치/문의하기 보정 ===== */
:root{--max:1600px;--side:52px}
.header-inner,.hero-inner,.business-section,.footer-inner,.sub-hero-inner,.sub-content{max-width:var(--max)}
.header-inner,.hero-inner,.business-section,.footer-inner{padding-left:var(--side);padding-right:var(--side)}
.hero:before{background:linear-gradient(90deg,#04152b 0%,#04152b 36%,rgba(4,21,43,.97) 42%,rgba(4,21,43,.72) 56%,rgba(4,21,43,.25) 78%,rgba(4,21,43,.04) 100%)}
.hero-copy{max-width:760px}
.hero h1{font-size:52px}
.hero p{max-width:760px}
.business-section{padding-top:58px}

/* LED Component: 상세페이지와 LUMENS 공식 사이트 링크 분리 */
.business-card.component{position:relative;display:flex;flex-direction:column}
.business-card.component .card-main-link{display:block}
.business-card.component .card-body{padding-bottom:34px}
.lumens-link{position:absolute;left:20px;bottom:13px;color:#236eb0;font-size:12px;font-weight:800;letter-spacing:.1px;z-index:2}
.lumens-link:hover{text-decoration:underline}
.lumens-link span{font-size:12px}

/* 문의하기: 오른쪽 탭 + 슬라이드 패널 */
.contact-root{position:relative;z-index:300}
.contact-tab{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:310;border:0;border-radius:12px 0 0 12px;background:#0a5c9f;color:#fff;padding:15px 12px;display:flex;flex-direction:column;align-items:center;gap:7px;font-size:13px;font-weight:800;box-shadow:0 8px 25px rgba(0,0,0,.18);cursor:pointer;transition:.25s}
.contact-tab:hover{background:#074b83}
.contact-tab.panel-open{right:min(420px,92vw)}
.contact-tab-icon{font-size:19px;line-height:1}
.contact-panel{position:fixed;top:0;right:0;width:min(420px,92vw);height:100dvh;background:#fff;z-index:320;transform:translateX(102%);transition:transform .28s ease;box-shadow:-18px 0 45px rgba(2,23,45,.18);overflow:auto}
.contact-panel.open{transform:translateX(0)}
.contact-panel-head{background:linear-gradient(135deg,#07396b,#0b73bf);color:#fff;padding:30px 28px 26px;display:flex;gap:20px;justify-content:space-between}
.contact-kicker{font-size:11px;letter-spacing:2px;font-weight:900;color:#8fd0ff}
.contact-panel-head h2{font-size:28px;margin:5px 0 8px}
.contact-panel-head p{font-size:13px;line-height:1.6;margin:0;color:#eaf5ff}
.contact-close{border:0;background:transparent;color:#fff;font-size:34px;line-height:1;cursor:pointer;padding:0;width:36px;height:36px}
.contact-form{padding:24px 28px 30px}
.contact-form label{display:block;font-size:13px;font-weight:800;color:#263a4e;margin-bottom:15px}
.contact-form label>span{color:#147fca}
.contact-form input,.contact-form textarea{display:block;width:100%;margin-top:7px;border:1px solid #d9e1e8;border-radius:8px;background:#fff;padding:12px 13px;font-size:14px;font-family:inherit;color:#14283b;outline:none;transition:.15s}
.contact-form input:focus,.contact-form textarea:focus{border-color:#1684d0;box-shadow:0 0 0 3px rgba(22,132,208,.09)}
.contact-form textarea{resize:vertical;min-height:128px}
.contact-submit{width:100%;border:0;border-radius:8px;background:#1177c5;color:#fff;padding:14px;font-weight:900;cursor:pointer;margin-top:2px}
.contact-submit:hover{background:#095d9c}
.contact-note{font-size:11px;color:#7a8997;margin:11px 0 0}
.contact-honey{display:none!important}
.contact-overlay{position:fixed;inset:0;background:rgba(2,15,30,.35);z-index:305}
.contact-open{overflow:hidden}

.thanks-page{min-height:calc(100vh - 76px);display:grid;place-items:center;background:#f5f8fb;padding:30px}
.thanks-box{text-align:center;max-width:560px;background:#fff;border:1px solid #e2e8ee;border-radius:16px;padding:50px 34px}
.thanks-box h1{font-size:34px;margin:10px 0 12px}
.thanks-box p{color:#667789;margin:0 0 26px}
.thanks-home{display:inline-block;background:#0b6fb7;color:#fff;padding:12px 20px;border-radius:8px;font-weight:800}

@media(max-width:820px){
  :root{--side:20px}
  .hero h1{font-size:38px}
  .contact-tab{top:auto;bottom:18px;right:16px;transform:none;border-radius:24px;padding:12px 17px;flex-direction:row}
  .contact-tab.panel-open{right:16px;opacity:0;pointer-events:none}
  .contact-panel{width:min(420px,100vw)}
}
@media(max-width:560px){
  .hero h1{font-size:31px}
  .contact-panel-head{padding:25px 20px 22px}
  .contact-form{padding:21px 20px 28px}
}

/* ===== v3: HERO / BUSINESS 좌측 정렬 + 문의하기 버튼 확대 ===== */
@media(min-width:821px){
  /* 큰 화면에서도 가운데 컨테이너에 갇히지 않고 동일한 왼쪽 기준선 사용 */
  .hero-inner,
  .business-section{
    width:100%;
    max-width:none;
    margin:0;
    padding-left:72px;
    padding-right:72px;
  }

  .hero-copy{
    max-width:760px;
  }

  /* 핵심 사업분야 시작선을 HERO 카피와 정확히 일치 */
  .business-section{
    padding-top:58px;
    padding-bottom:72px;
  }

  /* 문의하기를 더 크고 눈에 띄는 가로형 탭으로 */
  .contact-tab{
    min-width:148px;
    min-height:58px;
    padding:15px 20px;
    border-radius:14px 0 0 14px;
    flex-direction:row;
    justify-content:center;
    gap:10px;
    font-size:17px;
    letter-spacing:-.2px;
  }
  .contact-tab-icon{
    font-size:24px;
  }
  .contact-tab.panel-open{
    right:min(420px,92vw);
  }
}

@media(min-width:1500px){
  .hero-inner,
  .business-section{
    padding-left:78px;
    padding-right:78px;
  }
}

/* ===== v4: 확정 레이아웃 ===== */
:root{
  --page-side:54px;
  --header-side:38px;
}

/* Header: CI와 메뉴를 왼쪽으로 당기고 메뉴 가독성 확대 */
.header-inner{
  width:100%;
  max-width:none;
  margin:0;
  height:82px;
  padding-left:var(--header-side);
  padding-right:28px;
  justify-content:flex-start;
  gap:0;
}
.brand{
  font-size:27px;
  margin-right:92px;
}
.main-nav{
  gap:38px;
  font-size:15px;
  font-weight:700;
}
.main-nav a{padding:31px 0}
.main-nav a:after{bottom:21px}
.header-contact-btn{
  margin-left:auto;
  border:0;
  border-radius:10px;
  background:#1178c8;
  color:#fff;
  min-width:150px;
  height:54px;
  padding:0 22px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-size:18px;
  font-weight:900;
  cursor:pointer;
  box-shadow:0 5px 16px rgba(17,120,200,.18);
}
.header-contact-btn:hover{background:#0a66ad}
.header-contact-icon{font-size:21px;line-height:1}
.menu-toggle{margin-left:18px}

/* HERO와 핵심 사업분야는 동일한 좌/우 끝선 사용 */
.hero-inner,
.business-section{
  width:100%;
  max-width:none;
  margin:0;
  padding-left:var(--page-side);
  padding-right:var(--page-side);
}
.hero-inner{padding-top:68px;padding-bottom:68px}
.hero-copy{max-width:760px}
.hero h1{font-size:52px;line-height:1.17}
.hero p{font-size:19px;max-width:690px}

/* 배경 원본에 들어 있던 문구가 보이지 않도록 오른쪽 영역 중심으로 확대 */
.hero{
  background-size:155% auto;
  background-position:right 50%;
}
.hero:before{
  background:linear-gradient(90deg,#04152b 0%,#04152b 33%,rgba(4,21,43,.96) 42%,rgba(4,21,43,.72) 58%,rgba(4,21,43,.16) 82%,rgba(4,21,43,.02) 100%);
}

.business-section{padding-top:32px;padding-bottom:28px}
.business-section .section-title{margin-bottom:22px}
.business-grid{width:100%;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.card-image{aspect-ratio:16/9}
.card-body{min-height:62px;padding:15px 17px}
.card-title-wrap h3{font-size:18px}

/* Footer: 심플하고 안정적인 한 줄 구성, 저작권 문구 제거 */
.site-footer{background:#263442}
.footer-inner{
  width:100%;
  max-width:none;
  margin:0;
  min-height:96px;
  padding:18px var(--page-side);
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:30px;
}
.footer-brand{
  margin:0;
  font-size:23px;
  color:#aeb9c2;
  min-width:190px;
}
.footer-info{font-size:12.5px;line-height:1.75;color:#e2e7eb}
.footer-copy{display:none!important}

/* v4에서는 상단의 큰 문의하기 버튼이 패널을 열므로 플로팅 탭은 숨김 */
.contact-tab{display:none!important}

@media(max-width:1200px){
  .brand{margin-right:44px}
  .main-nav{gap:22px;font-size:14px}
  .header-contact-btn{min-width:126px;font-size:16px;padding:0 16px}
}
@media(max-width:920px){
  :root{--page-side:20px;--header-side:20px}
  .header-inner{height:68px;padding-right:14px}
  .brand{font-size:21px;margin-right:auto}
  .main-nav{top:68px}
  .header-contact-btn{min-width:auto;height:42px;padding:0 14px;font-size:14px;margin-left:10px}
  .header-contact-icon{font-size:17px}
  .menu-toggle{margin-left:8px}
  .hero{background-size:205% auto;background-position:right center}
  .hero-inner{padding-left:var(--page-side);padding-right:var(--page-side)}
  .business-section{padding-left:var(--page-side);padding-right:var(--page-side)}
  .footer-inner{padding-left:var(--page-side);padding-right:var(--page-side);flex-wrap:wrap;gap:10px 24px}
  .footer-brand{min-width:0}
}
@media(max-width:560px){
  .header-contact-btn span:last-child{display:none}
  .header-contact-btn{width:42px;padding:0;border-radius:8px}
  .hero{background-size:235% auto}
  .business-grid{grid-template-columns:1fr}
  .footer-inner{display:block}
  .footer-brand{margin-bottom:8px}
}

/* LED Lighting product sample */
.lighting-products{max-width:1180px;margin:0 auto;padding:64px 24px 84px}.lighting-intro .eyebrow{font-size:13px;font-weight:800;letter-spacing:.14em;color:#0b66c3}.lighting-intro h2{font-size:38px;margin:10px 0 8px;color:#071d3d}.lighting-intro p{color:#64748b;margin:0 0 34px}.product-detail-card{border:1px solid #d9e2ee;border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 12px 32px rgba(13,43,78,.07)}.product-detail-top{display:grid;grid-template-columns:1.05fr 1fr;gap:0}.product-photo{min-height:420px;display:flex;align-items:center;justify-content:center;background:#f7f9fc;padding:32px}.product-photo img{width:100%;height:350px;object-fit:contain}.product-info{padding:42px}.product-type{font-size:13px;font-weight:800;letter-spacing:.12em;color:#0b66c3}.product-info h3{font-size:30px;margin:8px 0 4px;color:#071d3d}.product-sub{color:#64748b;margin-bottom:28px}.spec-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #e2e8f0}.spec-item{padding:17px 0;border-bottom:1px solid #e2e8f0}.spec-item:nth-child(odd){padding-right:18px}.spec-label{display:block;font-size:12px;color:#64748b;margin-bottom:5px}.spec-value{font-weight:800;color:#0b1f3a}.drawing-section{padding:34px 42px 42px;border-top:1px solid #e2e8f0}.drawing-section h4{font-size:20px;margin:0 0 18px;color:#071d3d}.drawing-box{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:18px;text-align:center}.drawing-box img{max-width:100%;max-height:420px;object-fit:contain}.product-note{font-size:12px;color:#7b8798;margin-top:14px}.active-nav{color:#0b66c3!important;border-bottom:2px solid #0b66c3;padding-bottom:8px}@media(max-width:800px){.product-detail-top{grid-template-columns:1fr}.product-photo{min-height:300px}.product-photo img{height:270px}.product-info{padding:28px 22px}.spec-grid{grid-template-columns:1fr}.spec-item:nth-child(odd){padding-right:0}.drawing-section{padding:28px 20px}.lighting-intro h2{font-size:30px}}

/* LED Lighting series page v8 */
.lighting-hero{background:linear-gradient(110deg,#06182f 0%,#082c53 58%,#0e4978 100%);color:#fff;overflow:hidden;position:relative}
.lighting-hero:after{content:"";position:absolute;right:-100px;top:-140px;width:640px;height:430px;border-radius:50%;background:radial-gradient(circle,rgba(55,158,235,.24),rgba(55,158,235,0) 67%)}
.lighting-hero-inner{max-width:1380px;margin:0 auto;padding:58px 32px;position:relative;z-index:1}
.lighting-hero-copy{max-width:720px}.lighting-hero .eyebrow{color:#62baff}.lighting-hero h1{font-size:45px;letter-spacing:-1.4px;margin:8px 0 12px}.lighting-hero p{font-size:16px;line-height:1.7;color:#dfeaf4;margin:0}
.series-page{max-width:1380px;margin:0 auto;padding:54px 32px 82px}.series-intro h2{font-size:34px;margin:8px 0 8px;letter-spacing:-1px;color:#071d3d}.series-intro p{margin:0 0 28px;color:#66758a}
.series-tabs{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:26px}.series-tab{appearance:none;border:1px solid #d7e0ea;border-radius:12px;background:#fff;min-height:136px;padding:14px;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#0d2340;transition:.2s;position:relative}.series-tab:hover{border-color:#9cc8ea;box-shadow:0 8px 24px rgba(16,73,120,.08)}.series-tab.active{border:2px solid #147bd1;box-shadow:0 8px 26px rgba(20,123,209,.12)}.series-tab.active:after{content:"✓";position:absolute;right:-7px;top:-8px;width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:#0b73c8;color:#fff;font-size:14px;font-weight:900}.series-tab.pending{cursor:default;background:#fbfcfe}.series-thumb{height:58px;display:flex;align-items:center;justify-content:center}.series-thumb img{max-height:58px;width:auto;object-fit:contain}.series-placeholder{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#edf3f9;color:#6f8397;font-weight:900}.series-name{font-weight:900;font-size:13px}.series-meta{font-size:12px;color:#68788c;text-align:center;line-height:1.35}
.series-detail{border:1px solid #d8e1eb;border-radius:16px;background:#fff;display:grid;grid-template-columns:.9fr 1.05fr 1.25fr;min-height:460px;overflow:hidden;box-shadow:0 12px 34px rgba(11,47,79,.06)}.series-product-photo,.series-product-spec,.series-drawing{padding:34px}.series-product-photo{display:flex;align-items:center;justify-content:center;background:#fbfcfe;border-right:1px solid #e2e8f0}.series-product-photo img{width:100%;max-width:330px;height:330px;object-fit:contain}.series-product-spec{border-right:1px solid #e2e8f0}.series-product-spec h3{font-size:34px;line-height:1.15;margin:8px 0 6px;color:#071d3d;letter-spacing:-1px}.series-product-spec .product-sub{font-size:15px;margin-bottom:22px}.detail-spec-list{margin:0;border-top:1px solid #e1e7ee}.detail-spec-list>div{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:10px 8px;border-bottom:1px solid #e6ebf1}.detail-spec-list dt{font-weight:800;color:#19324f}.detail-spec-list dd{margin:0;color:#2d3e51}.series-drawing{display:flex;flex-direction:column}.drawing-title{font-size:18px;font-weight:900;color:#0b73c8;margin-bottom:15px}.drawing-title span{font-size:11px}.drawing-frame{flex:1;min-height:340px;display:flex;align-items:center;justify-content:center;background:#fff}.drawing-frame img{width:100%;height:100%;max-height:390px;object-fit:contain}.series-note{margin-top:22px;border:1px solid #d9e5f1;background:#f7fbff;border-radius:12px;padding:16px 18px;display:flex;align-items:center;gap:12px;color:#506176;font-size:13px}.series-note-icon{width:28px;height:28px;display:grid;place-items:center;border:1px solid #1681d5;color:#1681d5;border-radius:50%;font-weight:900;flex:0 0 auto}
@media(max-width:1050px){.series-tabs{grid-template-columns:repeat(3,1fr)}.series-detail{grid-template-columns:1fr 1fr}.series-drawing{grid-column:1/-1;border-top:1px solid #e2e8f0}.series-product-spec{border-right:0}}
@media(max-width:760px){.lighting-hero-inner{padding:44px 20px}.lighting-hero h1{font-size:34px}.series-page{padding:42px 20px 64px}.series-tabs{display:flex;overflow-x:auto;padding-bottom:6px}.series-tab{min-width:170px}.series-detail{grid-template-columns:1fr}.series-product-photo,.series-product-spec{border-right:0;border-bottom:1px solid #e2e8f0}.series-product-photo,.series-product-spec,.series-drawing{padding:24px}.series-product-photo img{height:250px}.series-drawing{grid-column:auto}.detail-spec-list>div{grid-template-columns:105px 1fr}.series-intro h2{font-size:29px}}


/* v10 LED Lighting exact-source image refinements */
.series-thumb img{object-fit:contain!important;background:#fff}
.series-product-photo img{object-fit:contain!important;background:#fff}
.drawing-frame{background:#fff;display:flex;align-items:center;justify-content:center;min-height:350px}
.drawing-frame img{width:100%;height:100%;max-height:430px;object-fit:contain!important}

/* ===== v13 Smart Lighting / Smart Farm ===== */
.smart-page{max-width:1380px;margin:0 auto;padding:54px 32px 86px}.smart-intro{max-width:900px;margin-bottom:30px}.smart-intro h2{font-size:36px;letter-spacing:-1.2px;color:#071d3d;margin:8px 0 10px}.smart-intro p{font-size:16px;line-height:1.75;color:#66758a;margin:0}.smart-hero{background:linear-gradient(112deg,#05162c 0%,#0a2d51 55%,#0a5685 100%);color:#fff;position:relative;overflow:hidden}.smart-hero:after{content:"";position:absolute;width:720px;height:720px;right:-210px;top:-300px;border-radius:50%;background:radial-gradient(circle,rgba(77,179,242,.28),rgba(77,179,242,0) 68%)}.smart-hero-inner{max-width:1380px;margin:0 auto;padding:64px 32px;position:relative;z-index:1}.smart-hero .eyebrow{color:#66c0ff}.smart-hero h1{font-size:46px;letter-spacing:-1.4px;margin:8px 0 13px}.smart-hero p{max-width:760px;color:#dfeaf5;font-size:17px;line-height:1.75;margin:0}
.smart-control-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:26px 0 42px}.smart-control-card{border:1px solid #dbe4ed;border-radius:16px;background:#fff;padding:24px;min-height:180px;box-shadow:0 8px 24px rgba(10,49,83,.05)}.smart-control-icon{width:46px;height:46px;border-radius:12px;background:#eef7ff;color:#0b73c8;display:grid;place-items:center;font-size:22px;font-weight:900;margin-bottom:18px}.smart-control-card h3{font-size:18px;margin:0 0 8px;color:#0b2440}.smart-control-card p{font-size:13px;line-height:1.65;color:#6b7a8b;margin:0}.smart-mesh{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:stretch;margin-bottom:38px}.smart-mesh-copy,.smart-mesh-visual{border-radius:18px;min-height:360px}.smart-mesh-copy{padding:38px;background:#081e38;color:#fff}.smart-mesh-copy .eyebrow{color:#62baff}.smart-mesh-copy h3{font-size:32px;line-height:1.25;margin:9px 0 15px}.smart-mesh-copy p{color:#d8e6f2;line-height:1.75;margin:0 0 24px}.mesh-tags{display:flex;flex-wrap:wrap;gap:9px}.mesh-tags span{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);border-radius:999px;padding:9px 13px;font-size:12px;font-weight:800}.smart-mesh-visual{background:linear-gradient(145deg,#f8fbfe,#eaf5ff);border:1px solid #d9e8f4;padding:28px;display:grid;place-items:center}.mesh-diagram{width:100%;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:center}.mesh-node{min-height:98px;border:1px solid #c9dfef;background:#fff;border-radius:14px;display:grid;place-items:center;text-align:center;padding:14px;color:#17324d;font-weight:900;box-shadow:0 8px 20px rgba(24,92,143,.07)}.mesh-node small{display:block;font-weight:600;color:#738598;margin-top:4px}.mesh-node.master{grid-column:2;background:#0c72bd;color:#fff;border-color:#0c72bd}.mesh-node.master small{color:#dcefff}.smart-banner{border-radius:18px;background:linear-gradient(110deg,#093764,#0a76bd);color:#fff;padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;margin:0 0 38px}.smart-banner strong{font-size:30px;letter-spacing:-.5px}.smart-banner p{margin:6px 0 0;color:#dcefff;line-height:1.6}.smart-banner-badge{min-width:150px;height:72px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.10);border-radius:14px;display:grid;place-items:center;font-size:24px;font-weight:900}.smart-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:42px}.smart-feature{border:1px solid #dbe4ed;border-radius:15px;padding:24px;background:#fff}.smart-feature b{font-size:17px;color:#102b47}.smart-feature p{font-size:13px;color:#6c7b8d;line-height:1.65;margin:8px 0 0}.application-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.application-card{border-radius:18px;min-height:260px;padding:32px;color:#fff;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}.application-card:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,21,43,.05),rgba(4,21,43,.82))}.application-card.school{background:linear-gradient(135deg,#315d7d,#89adc6)}.application-card.office{background:linear-gradient(135deg,#37495d,#7b8ea2)}.application-card>*{position:relative;z-index:1}.application-card h3{font-size:27px;margin:0 0 7px}.application-card p{margin:0;color:#edf5fb;line-height:1.6}
.farm-tabs{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:26px 0 34px}.farm-tab{border:1px solid #d6e1eb;background:#fff;border-radius:16px;padding:24px 26px;text-align:left;cursor:pointer;transition:.2s}.farm-tab:hover{border-color:#96c6e7}.farm-tab.active{border:2px solid #147bd1;box-shadow:0 10px 28px rgba(20,123,209,.10)}.farm-tab span{display:block;font-size:12px;color:#0b73c8;font-weight:900;letter-spacing:.08em;margin-bottom:5px}.farm-tab strong{font-size:23px;color:#0c2743}.farm-tab small{display:block;color:#6d7d8f;margin-top:7px;line-height:1.5}.farm-panel{display:none}.farm-panel.active{display:block}.farm-section-title{margin-bottom:22px}.farm-section-title h3{font-size:32px;margin:7px 0;color:#071d3d}.farm-section-title p{color:#6a7a8d;line-height:1.7;margin:0}.grow-series{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:24px}.grow-card{border:1px solid #d9e2eb;border-radius:16px;background:#fff;overflow:hidden}.grow-visual{height:180px;background:linear-gradient(145deg,#eef7f0,#f8fbf8);display:grid;place-items:center;color:#2e7042;font-size:54px}.grow-body{padding:20px}.grow-body h4{font-size:19px;color:#113047;margin:0 0 6px}.grow-body p{font-size:13px;line-height:1.6;color:#6b7b8d;margin:0}.grow-spec{margin-top:15px;border-top:1px solid #e5ebf0}.grow-spec div{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid #edf1f4;font-size:12px}.grow-spec b{color:#33495f}.grow-spec span{color:#6a7b8c}.farm-solution{display:grid;grid-template-columns:1fr 1fr;gap:20px}.farm-photo{min-height:390px;border-radius:18px;background:linear-gradient(145deg,#18334a,#4f7b73);position:relative;overflow:hidden;padding:34px;color:#fff;display:flex;flex-direction:column;justify-content:flex-end}.farm-photo:before{content:"SMART FARM";position:absolute;top:28px;right:28px;font-weight:900;font-size:46px;color:rgba(255,255,255,.11)}.farm-photo h4{font-size:29px;margin:0 0 8px}.farm-photo p{margin:0;max-width:480px;color:#e9f2ef;line-height:1.65}.farm-spec-box{border:1px solid #d9e2eb;border-radius:18px;background:#fff;padding:30px}.farm-spec-box h4{font-size:24px;margin:0 0 20px;color:#0c2743}.farm-spec-list{margin:0}.farm-spec-list div{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:13px 0;border-bottom:1px solid #e8edf2}.farm-spec-list dt{font-weight:900;color:#294158}.farm-spec-list dd{margin:0;color:#607183}.farm-process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}.farm-process div{border-radius:14px;background:#f5f9fc;border:1px solid #dce7ef;padding:20px}.farm-process b{display:block;color:#0b73c8;font-size:12px;margin-bottom:7px}.farm-process strong{color:#17314b;font-size:16px}.farm-note{margin-top:20px;border-radius:12px;background:#f7fbff;border:1px solid #d9e7f2;padding:15px 17px;color:#627386;font-size:12px;line-height:1.6}
@media(max-width:980px){.smart-control-grid{grid-template-columns:repeat(2,1fr)}.smart-feature-grid{grid-template-columns:repeat(2,1fr)}.smart-mesh,.farm-solution{grid-template-columns:1fr}.grow-series{grid-template-columns:1fr 1fr}.farm-process{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.smart-hero-inner{padding:46px 20px}.smart-hero h1{font-size:34px}.smart-page{padding:42px 20px 64px}.smart-intro h2{font-size:29px}.smart-control-grid,.smart-feature-grid,.application-grid,.farm-tabs,.grow-series{grid-template-columns:1fr}.mesh-diagram{grid-template-columns:1fr}.mesh-node.master{grid-column:auto}.smart-banner{align-items:flex-start;flex-direction:column}.smart-banner strong{font-size:25px}.farm-spec-list div{grid-template-columns:110px 1fr}.farm-process{grid-template-columns:1fr}}
.lighting-category-nav{display:flex;align-items:center;gap:28px;border-bottom:1px solid #dde5ed;padding:26px 0;margin-bottom:32px}.lighting-category-label{font-size:13px;font-weight:800;color:#65758a}.lighting-category{display:flex;align-items:center;gap:22px;padding:17px 24px;border:1px solid #b9d1e9;border-radius:10px;background:#f2f7fd;color:#073c78}.lighting-category strong{font-size:20px}.lighting-category span{font-size:12px;color:#52708e}.lighting-category:focus-visible{outline:3px solid #1185d8;outline-offset:4px}.lighting-category-content{scroll-margin-top:105px}.downlight-en{display:inline-block;font-size:.48em;letter-spacing:1px;color:#65758a;vertical-align:middle;margin-left:10px}@media(max-width:700px){.lighting-category-nav{display:block;padding:20px 0;margin-bottom:24px}.lighting-category-label{display:block;margin-bottom:12px}.lighting-category{justify-content:space-between;padding:15px 18px}.lighting-category strong{font-size:18px}.lighting-category span{font-size:11px}.downlight-en{display:block;margin:8px 0 0}}

/* 2026 website navigation */
.main-nav .nav-group{position:relative;display:flex;align-items:center}
.main-nav .nav-dropdown{display:none;position:absolute;top:100%;left:-18px;min-width:220px;background:#fff;border:1px solid #d9e5f2;box-shadow:0 12px 28px rgba(5,29,56,.14);border-radius:0 0 12px 12px;padding:8px;z-index:90}
.main-nav .nav-group:hover .nav-dropdown,.main-nav .nav-group:focus-within .nav-dropdown,.main-nav .nav-group.expanded .nav-dropdown{display:block}
.main-nav .nav-dropdown a{display:block;padding:11px 12px;white-space:normal;font-size:13px;border-radius:7px}
.main-nav .nav-dropdown a:hover{background:#edf5fe;color:#086abb}
.main-nav .nav-dropdown a:after{display:none}
@media(max-width:900px){.main-nav .nav-group{display:block}.main-nav .nav-group>a{display:block}.main-nav .nav-dropdown{display:none;position:static;box-shadow:none;border:0;border-left:2px solid #b9d8f6;border-radius:0;margin:0 0 6px 12px;padding:0 0 0 10px}.main-nav .nav-dropdown a{padding:10px 8px;font-size:13px}.main-nav .nav-group.expanded .nav-dropdown{display:block}}
/* example images are illustrative, not project photography */
.application-card.school{background:linear-gradient(0deg,rgba(3,23,46,.55),rgba(3,23,46,.03)),url('../../images/smart-lighting/classroom.svg') center/cover!important}
.application-card.office{background:linear-gradient(0deg,rgba(3,23,46,.55),rgba(3,23,46,.03)),url('../../images/smart-lighting/office.svg') center/cover!important}

.plant-technical,.installation-gallery{padding:32px 0;margin:28px auto;border-top:1px solid #d9e6f2}.plant-technical h3,.installation-gallery h3{font-size:24px;color:#10375b}.plant-technical p,.installation-gallery p{line-height:1.8;color:#50687b}.plant-technical img{width:100%;max-width:850px;height:auto;display:block;margin:24px auto;border-radius:12px;border:1px solid #d7e5f0}.installation-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:24px 0}.installation-grid figure{margin:0;overflow:hidden;border-radius:13px;background:#eaf1f7}.installation-grid img{width:100%;height:235px;object-fit:cover;display:block}@media(max-width:700px){.installation-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.installation-grid img{height:160px}}

/* Three active business areas after removing LED Lighting */
.business-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:900px){.business-grid{grid-template-columns:1fr}}