/* =============================================================================
   Product 전용 스타일
   ============================================================================= */

/* =============================================================================
   교육훈련장비 상세페이지 :: 피지컬 AI BEMS (product/trainingEquipment/bemsSystem.html)
   ============================================================================= */

/* 공통 레이아웃 — 전체 페이지 여백 + 섹션(밝은 배경/블루 배경 교차) 여백 */
.main-visual-video-bg.trainingEquipment::after {background: rgba(0, 0, 0, 0.4);}
.bems-section { padding: 20rem 0; }

/* 화면② 섹션 전용 — 고정(parallax) 배경 사진 위에 어두운 오버레이를 깔아 흰 글씨/카드가 잘 보이게 함 */
.bems-section--bg-bems { position: relative; background: url(/assets/images/product/trainingEquipment/bg_bems.gif) center / cover no-repeat fixed; }
.bems-section--bg-bems:before { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,0.6); }
.bems-section--bg-bems > .area-box { position: relative; z-index: 1; }

/* ── 화면① 개요 :: 실습실 단위장비 → 건물에너지관리시스템(통합상황실) → 담당자&근무자 흐름도 */
.bems-flow { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 8rem; flex-wrap: nowrap;}
.bems-flow-step {position: relative; min-width: 300px; max-width: 400px; padding: 0; background: var(--main-color); border-radius: 24px; text-align: center; overflow: hidden;}
.bems-flow-step:first-child {min-width: 600px;} 
.bems-flow-badge { display: block; width: 100%; padding: 16px 40px; background: var(--main-color); color: #fff; font-size: 20px; font-weight: 500; }
.bems-flow-desc {display: block;  padding: 24px; font-size: 16px !important; font-weight: 400; text-align: left; color: var(--gray-100); line-height: 1.4; word-break: keep-all; }
.bems-flow-taglist { display: grid; grid-template-columns: repeat(2, 1fr); list-style: none; margin: 0; }
.bems-flow-taglist li { position: relative; display: flex; flex-direction: column; align-items: center; gap: 16px; font-size: 16px; font-weight: 500; color: var(--color-dark); }
.bems-flow-taglist li img { width: 100%; height: auto; object-fit: contain;}
.bems-flow-step .badge {
	position: absolute; 
	right: 24px;
	bottom: 24px;
	padding: 6px 16px;
	color: #fff;
	font-size: 14px;
	line-height: 1;
	white-space: nowrap;
	background: rgba(255, 255, 255, .2);
    overflow: hidden;
    z-index: 2;
    transition: .2s ease-out;
    box-sizing: border-box;
    border: 1px solid rgba(255, 255, 255, .4);
    backdrop-filter: blur(10px) opacity(1);
}
.bems-flow-arrow { flex-shrink: 0; font-size: 2.4rem; color: var(--main-color); }

/* 흐르는(깜빡이며 순서대로 켜지는) 화살표 — 셰브론(>) 아이콘을 겹쳐 쌓고 순차적으로 깜빡여 오른쪽으로 흐르는 것처럼 보이게 함 */
.animated-arrow { flex-shrink: 0; display: flex; align-items: center; }
.animated-arrow i { font-size: 28px; line-height: 1; letter-spacing: -3px; color: var(--main-color); margin-left: -16px; animation: bemsArrowFlow 1s infinite; }
.animated-arrow i:first-child { margin-left: 0; }
.animated-arrow i:nth-child(1) { animation-delay: 0.1s; }
.animated-arrow i:nth-child(2) { animation-delay: 0.2s; }
.animated-arrow i:nth-child(3) { animation-delay: 0.3s; }
.animated-arrow i:nth-child(4) { animation-delay: 0.4s; }
.animated-arrow i:nth-child(5) { animation-delay: 0.5s; }
.animated-arrow i:nth-child(6) { animation-delay: 0.6s; }
@keyframes bemsArrowFlow {
	0%   { opacity: 1; }
	100% { opacity: 0.35; }
}

@media all and (max-width: 1024px) {
	.bems-flow { flex-direction: column; }
	.bems-flow-arrow { transform: rotate(90deg); }
	.bems-flow-step { max-width: none; width: 100%; }
	.animated-arrow { transform: rotate(90deg); margin: 1.2rem 0; }
}

/* ── 화면③ AI 기반 설비 고장 예측 솔루션 :: 설비 → AI IoT → Legacy → AI Manager → AI Modeling → AI Dashboard
   6단 아키텍처 다이어그램. 화면 폭이 좁으면(6개 열 + 화살표) 줄바꿈 대신 가로 스크롤로 처리함 */
.bems-section.full-section {padding: 20rem var(--area-padding);}
.bems-ai-arch { display: flex; align-items: flex-start; gap: 40px; margin-top: 8rem; justify-content: center;}
.bems-ai-col { flex: 1 1 0; min-width: 220px; max-width: 480px; padding-bottom: 16px; display: flex; flex-direction: column; gap: 16px; border: 1px solid #e1e5ea; border-radius: 24px; overflow: hidden; background: #fff; }
.bems-ai-arrow { flex-shrink: 0; align-self: center; margin-top: 4.4rem; font-size: 2rem; color: var(--main-color); }

.bems-ai-head { padding: 12px 16px; text-align: center; color: #fff; font-size: 20px; font-weight: 600; display: flex; align-items: center; justify-content: center;}
.bems-ai-head span { display: inline-block; margin-left: 8px; font-size: 14px; font-weight: 400; opacity: 0.85; vertical-align: middle;}
.bems-ai-head--field { background: #03b8fd; }
.bems-ai-head--iot { background: #00a0fd; }
.bems-ai-head--legacy { background: #0079fa; }
.bems-ai-head--manager { background: #0166f9; }
.bems-ai-head--modeling { background: #0043dc; }
.bems-ai-head--dashboard { background: #0141b4; }

.bems-ai-box {position: relative; margin: 0 16px; padding: 12px 16px; background: #f3f6f9; border-radius: 8px; font-size: 14px; font-weight: 500; color: var(--color-dark); text-align: center; line-height: 1.2; white-space: nowrap}
.bems-ai-box:before {content: ""; position: absolute; bottom: -16px; left: 50%; width: 1px; height: 16px; border-right: 1px dashed var(--main-rgb20);}
.bems-ai-box:after {content: "\ea4e"; font-family: remixicon !important; font-style: normal; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;position: absolute; bottom: -24px; left: calc(50% - 7.25px); font-size: 16px; color:var(--main-color); opacity: 0.4; z-index: 1;}
.bems-ai-col > .bems-ai-box:last-child:before {display: none;}
.bems-ai-col > .bems-ai-box:last-child:after {display: none;}
.bems-ai-row.last > .bems-ai-box::before,
.bems-ai-row.last > .bems-ai-box::after {display: none;}
.bems-ai-box > i { display: inline-block; font-size: 18px; color: var(--main-color); margin-right: 4px; }
.bems-ai-box b { display: flex; align-items: center; justify-content: center; font-size: 15px; margin-bottom: 12px; }
.bems-ai-box b i {font-size:18px; color: var(--main-color); margin-right: 8px;}
.bems-ai-box b .icon {display: inline-block; vertical-align: middle; width: 20px; margin-right: 4px;}
.bems-ai-box small { display: block; margin-top: 4px; font-size: 12px; font-weight: 400; color: var(--body-color); }
.bems-ai-box--sm { font-size: 12px; }
.bems-ai-box--tall { text-align: left; }
.bems-ai-box--highlight { border: 1px solid var(--danger); background: rgba(237, 80, 80, 0.1); color: var(--danger); text-align: center; }
.bems-ai-box--highlight b {margin-bottom: 0;}
.bems-ai-box--highlight b i {color: var(--danger);}
.bems-ai-box .check-list { margin-top: 0; }
.bems-ai-box .check-list > li { font-size: 14px; padding-left: 24px;}
.bems-ai-box .check-list > li:before { font-size: 14px; top: -1px; }

.bems-ai-row { display: flex; gap: 8px; margin: 0 12px; }
.bems-ai-box--half { flex: 1; margin: 0; }
.bems-ai-box--db { background: #e3f2fd; }

.bems-ai-taglist { display: flex; flex-wrap: wrap; gap: 4px; margin: 8px 0 0; padding: 0; list-style: none; }
.bems-ai-taglist li { font-size: 12px; color: var(--body-color); padding: 4px 10px; border-radius: 20px; background: #fff; border: 1px solid var(--border-color); }

.bems-ai-equip { display: flex; flex-direction: column; gap: 8px; margin: 0; padding: 0 16px 16px; list-style: none; }
.bems-ai-equip li { display: flex; align-items: center; gap: 16px; padding: 0 8px; background: var(--main-rgb10); border-radius: 12px;}
.bems-ai-equip img { width: 48px; height: 48px; object-fit: contain; flex-shrink: 0; }
.bems-ai-equip span { font-size: 13px; font-weight: 600; color: var(--color-dark); }

.bems-ai-shot { 
	margin-top: 8px; 
	/* aspect-ratio: 4 / 3;  */
	border-radius: 8px; 
	overflow: hidden; 
	background: #000; 
}
.bems-ai-shot img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* AI Core(핵심기술) — 하단 요약 밴드 */
.bems-ai-core { margin-top: 24px; border: 1px solid var(--main-color); border-radius: 24px; overflow: hidden; }
.bems-ai-core-head { display: flex; align-items: center; gap: 8px; padding: 12px 24px; background: var(--main-color); color: #fff; font-size: 16px; font-weight: 700; }
.bems-ai-core-head i {font-size: 20px; font-weight: normal;}
.bems-ai-core-head span { font-size: 13px; font-weight: 400; opacity: 0.85; }
.bems-ai-core-body { display: flex; gap: 4rem; padding: 20px 32px; flex-wrap: wrap; }
.bems-ai-core-group { flex: 1; min-width: 240px; display: flex; align-items: center; gap: 16px; }
.bems-ai-core-group b { flex-shrink: 0; font-size: 16px; color: var(--color-dark); font-weight: 500;}
.bems-ai-core-group ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.bems-ai-core-group li { font-size: 13px; padding: 8px 16px; background: var(--main-rgb10); border-radius: 20px; color: var(--color-dark); }

/* ── 화면② 효율적인 교과운영 및 교육장비 관리 편의성 확보 :: 실시간 감시 / 최적화 제어 / 데이터 통합 관리
   이미지(좌) + 텍스트(우) 가로 배치 카드가 세로로 쌓이는 구조. 카드 안쪽에 .check-list(li)가 중첩되므로,
   카드 자체 스타일은 반드시 > (직계 자식)로 걸어서 체크리스트 항목에 스타일이 새지 않게 함 */
.bems-feature-grid { display: flex; flex-direction: row; gap: 40px; list-style: none; padding: 0; margin: 80px 0 0; }
.bems-feature-grid > li { display: flex; flex-direction: column; align-items: center; gap: 40px; padding: 40px; background: rgba(255, 255, 255, .25); -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px); border-radius: 32px; overflow: hidden; }
.bems-feature-grid > li:nth-child(even) { background: linear-gradient(120deg, var(--gray-900) 40%, var(--main-color) 180%); }
.bems-feature-img { flex-shrink: 0; width: 36rem; aspect-ratio: 16 / 10; border-radius: 24px; overflow: hidden; background: #000; }
.bems-feature-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bems-feature-body { flex: 1; min-width: 0; }
.bems-feature-num { display: none; font-size: 1.3rem; font-weight: 700; letter-spacing: 0.05em; color: var(--main-color); opacity: 0.7; margin-bottom: 0.8rem; }
.bems-feature-grid h6 { font-size: 28px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.bems-feature-highlight { font-size: 16px; font-weight: 500; color: #fff; line-height: 1.5; margin-bottom: 1.6rem; word-break: keep-all; }
.bems-feature-body .check-list > li { color: #fff; font-weight: 400; opacity: 0.7;}
.bems-feature-body .check-list > li:before { color: #fff; font-weight: 400; opacity: 0.7;}
.bems-feature-grid > li:nth-child(even)  h6 { color: #fff; }
.bems-feature-grid > li:nth-child(even) .bems-feature-highlight { color: #fff; }
.bems-feature-grid > li:nth-child(even) .check-list > li { color: var(--gray-100); }
.bems-feature-grid > li:nth-child(even) .check-list > li:before{ color: #fff; }
.list-bems {margin-top: 80px; width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px;}
.list-bems li {display: flex; align-items: center; gap: 24px; flex-wrap: nowrap; padding: 40px; background-color: var(--main-rgb10); border-radius: 24px;}
.list-bems li .icon {width: 100px; height: 100px; padding: 16px; background-color: #fff; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center;}
.list-bems li .text-area p {display: block; margin-top: 16px;}


/* ── 화면④ 구축 사례 — 통합관제 & 실습실 (사진 4장, 4열)
   ── 화면⑤ 시스템 구성 — 보일러/냉방/공조기 시스템 (사진 6장, 3열 · .bems-photo-grid--3col)
   ── 화면⑥ 소방 시스템 (사진 4장, 4열) */
.bems-photo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; list-style: none; padding: 0; margin: 8rem 0 0; }
.bems-photo-grid.bems-photo-grid--3col { grid-template-columns: repeat(3, 1fr); }
.bems-photo-grid li { display: flex; flex-direction: column; gap: 24px; align-items: center; justify-content: center;}
.bems-photo-grid .img-area { position: relative; border-radius: 24px; overflow: hidden; background: #000;}
.bems-photo-grid .img-area img { width: auto; height: 360px; object-fit: contain; display: block; opacity: 0.8;}
.bems-photo-grid p {text-align: center; color: var(--color-dark);}
/* BEMS 페이지 전용 — 높이만 고정(width:auto)하면 가로로 긴 사진이 칸 폭을 넘어 그리드가 오른쪽으로 밀려나므로,
   칸 폭에 꽉 채우고 높이 360px로 잘라 보이게 함. (physicalAiSystem.html 앱 화면 캡처는 잘리면 안 돼서 제외) */
.bems-page .bems-photo-grid li { min-width: 0; }
.bems-page .bems-photo-grid .img-area { width: 100%; }
.bems-page .bems-photo-grid .img-area img { width: 100%; height: 360px; object-fit: cover; }


/* =============================================================================
   교육훈련장비 상세페이지 :: 피지컬 AI 실습 시스템 (product/trainingEquipment/physicalAiSystem.html)
   ============================================================================= */

/* ── 화면① 개요 섹션 전체 — 고정(parallax) 배경 사진. 이 섹션 콘텐츠는 어두운 글씨/흰 카드 위주라
   밝은(흰색 계열) 오버레이를 깔아 사진이 은은하게 비치면서도 기존 글자색 대비가 유지되게 함 */
.pai-hero-section { position: relative; padding: 20rem 0 0; z-index: 0; background: url(/assets/images/product/physicalAi/bg_paiHero.jpg) center / cover no-repeat fixed; }
.pai-hero-section:before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(135deg, #003894, #172137); opacity: 0.7;}

/* ── 개요 :: 좌측 타이틀/핵심포인트 + 우측 본체사진/External Device Module */
.pai-hero-top { display: flex; align-items: center; gap: 40px; }
.pai-hero-text { flex: 1 1 420px; min-width: 0; }
.pai-hero-stats { display: flex; gap: 24px; list-style: none; margin: 40px 0 0; padding: 0; flex-wrap: wrap; }
.pai-hero-stats li {min-width: 200px; display: flex; align-items: center; gap: 16px; background: rgba(255, 255, 255, .2); backdrop-filter: blur(15px); padding: 16px; border-radius: 16px; border: 1px solid rgba(255, 255, 255, .2);}
.pai-hero-stat-icon { flex-shrink: 0; display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 50%;}
.pai-hero-stats span:last-child { font-size: 16px; font-weight: 400; color: #fff; line-height: 1.4; }

.pai-hero-visual { flex: 1 1 480px; display: flex; align-items: center; gap: 24px; min-width: 0; }
.pai-hero-photo { flex: 1 1 0; min-width: 0;}
.pai-hero-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pai-hero-plus { flex-shrink: 0; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 60px; }
.pai-hero-module { flex-shrink: 0; width: 240px; padding: 24px; background: rgba(0, 56, 148, 0.4); border-radius: 24px; backdrop-filter: blur(4px); border: 1px solid rgba(0, 56, 148, 0.2)}
.pai-hero-module-tit { display: block; text-align: center; color: #fff; font-size: 16px; font-weight: 500; margin-bottom: 16px; }
.pai-tag-list { display: flex; flex-direction: column; gap: 8px; list-style: none; margin: 0; padding: 0; }
.pai-tag-list li { display: flex; align-items: center; gap: 8px; padding: 10px 16px; background: rgba(59,173,255,0.15); color: #fff; font-size: 14px; font-family: var(--font-family2); font-weight: 400; border-radius: 8px; border: 1px solid rgba(59,173,255,0.1)}
.pai-tag-list li i { flex-shrink: 0; font-size: 16px; font-weight: normal; }


/* 주요 특징 카드 (5열) */
.pai-features-card { margin-top: 40px; padding: 40px; background: rgba(255, 255, 255, .2); backdrop-filter: blur(15px); border: 1px solid rgba(255, 255, 255, .2); border-radius: 32px; }
.pai-features-eyebrow { display: block; font-size: 12px; font-weight: 400; color: var(--gray-100); margin-bottom: 8px; }
.pai-features-head h3 { font-size: 24px; font-weight: 500; color: #fff; }
.pai-features-grid {display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; list-style: none; margin: 24px 0 0; padding: 0; }
.pai-features-grid li { position: relative; padding: 24px; background: rgba(255, 255, 255, .05); backdrop-filter: blur(10px); border-radius: 24px; }
.pai-features-icon { display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; margin-bottom: 24px; }
.pai-features-num { position: absolute; top: 40px; right: 24px; font-size: 20px; font-weight: 400; color: #fff; opacity: 0.4;}
.pai-features-grid h6 { font-size: 20px; font-weight: 500; color: #fff; margin-bottom: 16px; }
.pai-features-grid p { font-size: 15px; color: #fff; font-weight: 400; line-height: 1.5; word-break: keep-all;}


/* 실습 환경 사진(오버레이 텍스트) + 지원 기술 목록 */
.pai-bottom-row { display: flex; gap: 40px; margin-top: 200px; align-items: stretch; flex-wrap: wrap; }
.pai-training-photo { position: relative; flex: 1 1 600px; min-height: 600px; overflow: hidden; background: #000;}
.pai-training-photo--fixed { background: url(/assets/images/product/physicalAi/physicalAi_robotArm.jpg) center / cover no-repeat fixed; }
.pai-training-overlay { position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column; justify-content: center; gap: 16px; color: #fff; padding: 80px; 
	background: linear-gradient(to right, rgba(10,20,40,0.9), rgba(10,20,40,0.3)); 
}
.pai-training-eyebrow { font-size: 14px; font-weight: 400; opacity: 0.85; }
.pai-training-overlay strong { font-size: 24px; font-weight: 500; line-height: 1.4; }
.pai-training-overlay p { font-size: 16px; line-height: 1.6; color: rgba(255,255,255,0.85); max-width: 600px; word-break: keep-all; }

.pai-tech-block { flex: 1 1 360px; padding: 3.2rem; background: var(--main-rgb10); border-radius: 2rem; }
.pai-tech-eyebrow { display: block; font-size: 1.2rem; font-weight: 700; letter-spacing: 0.15em; color: var(--main-color); margin-bottom: 0.6rem; }
.pai-tech-tit { font-size: 2rem; font-weight: 700; color: var(--color-dark); margin-bottom: 2.8rem; }
.pai-tech-list { display: flex; flex-wrap: wrap; gap: 2rem; list-style: none; margin: 0; padding: 0; }
.pai-tech-list li { flex: 1 1 30%; min-width: 9rem; display: flex; flex-direction: column; align-items: center; gap: 1.2rem; text-align: center; }
.pai-tech-icon { display: flex; align-items: center; justify-content: center; width: 5.6rem; height: 5.6rem; border-radius: 50%; background: #fff; color: var(--main-color); font-size: 2.4rem; }
.pai-tech-list span:last-child { font-size: 1.3rem; font-weight: 600; color: var(--color-dark); line-height: 1.4; }

/* 특징 상세(원문 전체) */
.pai-feature-block { margin-top: 8rem; }
.pai-feature-block-tit { font-size: 2rem; font-weight: 700; color: var(--color-dark); margin-bottom: 2.4rem; }
.pai-feature-list { display: flex; flex-direction: column; gap: 2rem; list-style: none; margin: 0; padding: 0; }
.pai-feature-list li { display: flex; align-items: flex-start; gap: 1.6rem; }
.pai-feature-num { flex-shrink: 0; display: flex; align-items: center; justify-content: center; width: 3.2rem; height: 3.2rem; border-radius: 50%; background: var(--main-color); color: #fff; font-size: 1.4rem; font-weight: 700; }
.pai-feature-list p { flex: 1; font-size: 1.5rem; color: var(--body-color); line-height: 1.7; word-break: keep-all; }

/* ── 화면② 구성 및 명칭 :: 본체 사진 위 번호 마커 + 호버/포커스 시 팝오버로 명칭 표시
   (기존 skin/board/product/style.css의 .pg-help-tip[data-tooltip] 툴팁과 동일한 CSS-only 방식) */
.section.section02 {padding: 20rem 0;}
.pai-layout { display: flex; align-items: flex-start; justify-content: center; gap: 0; margin-top: 40px;}
.pai-layout-photo { position: relative; width: 100%; max-width: 1200px;}
.pai-layout-photo img { width: 100%; height: auto; display: block; }

.pai-hotspot {
	position: absolute;
	left: var(--x); top: var(--y);
	transform: translate(-50%, -50%);
	width: 32px; height: 32px;
	display: flex; align-items: center; justify-content: center;
	background: #fff;
    backdrop-filter: blur(10px);
	border-radius: 50%;
	color: var(--color-dark);
	font-size: 14px;
	font-weight: 700;
	font-family: var(--font-family1);
	cursor: pointer;
	padding: 0;
	box-shadow: 0 2px 8px rgba(0,0,0,0.35);
	transition: background 0.2s ease, transform 0.2s ease;
	z-index: 2;
}
.pai-hotspot:hover,
.pai-hotspot:focus-visible { color: #fff; background: var(--main-color); transform: translate(-50%, -50%) scale(1.15); z-index: 3; }

/* 팝오버(툴팁) 본문 — 기본은 마커 위쪽에 표시 */
.pai-hotspot[data-tooltip]:before,
.pai-hotspot[data-tooltip]:after {
	position: absolute;
	left: 50%;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
	z-index: 10;
}
.pai-hotspot[data-tooltip]:before {
	content: attr(data-tooltip);
	bottom: calc(100% + 12px);
	transform: translate(-50%, 4px);
	width: max-content;
	max-width: 240px;
	white-space: normal;
	text-align: center;
	line-height: 1.4;
	/* background: rgba(255, 255, 255, .4);
    backdrop-filter: blur(15px); */
	background-color: #fff;
	color: var(--color-dark);
	font-size: 14px;
	font-weight: 500;
	padding: 8px 16px;
	border-radius: 12px;
	word-break: keep-all;
}
.pai-hotspot[data-tooltip]:after {
	content: '';
	bottom: calc(100% + 1px); /* 박스 아래 경계와 살짝 겹치게 해서 이음새 라인이 안 보이게 함 */
	transform: translate(-50%, 4px);
	width: 0; height: 0;
	border: 6px solid transparent;
	border-top-color: #fff;
}
.pai-hotspot[data-tooltip]:hover:before, .pai-hotspot[data-tooltip]:focus-visible:before,
.pai-hotspot[data-tooltip]:hover:after,  .pai-hotspot[data-tooltip]:focus-visible:after {
	opacity: 1; visibility: visible; transform: translate(-50%, 0);
}
/* 사진 위쪽에 가까운 마커는 팝오버가 잘리지 않도록 아래쪽으로 표시 */
.pai-hotspot--below[data-tooltip]:before { bottom: auto; top: calc(100% + 12px); transform: translate(-50%, -4px); }
.pai-hotspot--below[data-tooltip]:after { bottom: auto; top: calc(100% + 1px); transform: translate(-50%, -4px); border-top-color: transparent; border-bottom-color: #fff; }
.pai-hotspot--below[data-tooltip]:hover:before, .pai-hotspot--below[data-tooltip]:focus-visible:before,
.pai-hotspot--below[data-tooltip]:hover:after,  .pai-hotspot--below[data-tooltip]:focus-visible:after { transform: translate(-50%, 0); }
/* 사진 좌측 가장자리에 가까운 마커는 팝오버가 왼쪽으로 잘리지 않도록 오른쪽으로 붙여 표시 */
.pai-hotspot--right[data-tooltip]:before { left: 0; transform: translateY(4px); text-align: left; }
.pai-hotspot--right[data-tooltip]:after { left: 1.4rem; transform: translateY(4px); }
.pai-hotspot--right[data-tooltip]:hover:before, .pai-hotspot--right[data-tooltip]:focus-visible:before,
.pai-hotspot--right[data-tooltip]:hover:after,  .pai-hotspot--right[data-tooltip]:focus-visible:after { transform: translateY(0); }


/* ── 화면③ 제어 파이프라인 & 커리큘럼 ───────────────────────────────── */

/* 시스템 구성도(좌, 넓음) + 핵심 특징(우, 다크 카드) */
.pai-content .section03 {padding: 20rem 0 0;}
.pai-arch-row { display: flex; flex-direction: column; gap: 40px; align-items: stretch;}
.pai-arch-flow { display: flex; align-items: flex-start; gap: 16px; margin-top: 40px;}
.pai-arch-step { min-width: 0; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 16px; }
.pai-arch-step-photo img { width: auto; height: 240px; object-fit: cover; display: block; }
.pai-arch-step-desc { font-size: 1.15rem; color: var(--body-color); line-height: 1.4; }
.pai-arch-arrow { flex-shrink: 0; display: flex; flex-direction: column; align-items: center; gap: 0.4rem; padding-top: 100px; }
.pai-arch-arrow.first {display: inline-block; margin-left: -40px;}
.pai-arch-arrow span.badge { font-size: 12px; font-weight: 600; color: var(--main-color); background: var(--main-rgb10); padding: 4px 8px; border-radius: 20px; white-space: nowrap; }
.pai-arch-arrow span.arrow {position: relative; display: block; width: 100%; height: 1px; margin-top: 16px; background-color: var(--main-color);}
.pai-arch-arrow span.arrow:before {content:""; position: absolute; right: -1px; bottom:3px; width: 8px; height: 1px; background-color: var(--main-color); transform: rotate(45deg);}
.pai-arch-arrow span.arrow:after {content:""; position: absolute; right: -1px; bottom:-3px; width: 8px; height: 1px; background-color: var(--main-color); transform: rotate(-45deg);}
.pai-keyfeat-card { flex: 1 1 0; min-width: 0; padding: 40px; background: var(--main-rgb10); border-radius: 32px; }
.pai-keyfeat-head { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; margin-bottom: 24px; }
.pai-keyfeat-head h3 { font-size: 24px; font-weight: 600; color: var(--color-dark); text-align: center; color: var(--main-color); font-family: var(--font-family2);}
.pai-keyfeat-eyebrow { font-size: 12px; font-weight: 500; color: var(--body-color); }
.list-pai-keyfeat { display: flex; gap: 24px; list-style: decimal; margin: 0;}
.list-pai-keyfeat li { position: relative; display: flex; align-items: flex-start; gap: 24px; padding: 24px; background: rgba(255, 255, 255, .6); border-radius: 24px; }
.list-pai-keyfeat li::marker { font-size: 20px; font-weight: 800; color: var(--main-color); font-family: var(--font-family2); }
.list-pai-keyfeat .pai-keyfeat-icon { flex-shrink: 0; display: flex; align-items: center; justify-content: center; width: 80px; height: 80px; padding: 16px; border-radius: 50%; background: var(--main-rgb10); }
.list-pai-keyfeat h6 { font-size: 20px; margin-bottom: 16px;  white-space: nowrap;}

/* 16주 교육 로드맵 (다크, full-bleed) */
.pai-roadmap-section { margin-top: 20rem; padding: 20rem 0; background: linear-gradient(135deg, #0a0f1f, #0e1a35); }
/* 화살표(셰브론) 리본 모양 배경 — 참고 이미지의 스텝퍼 형태. 사이를 잇던 별도 화살표 아이콘은
   카드 배경 자체가 화살표 모양이라 더 이상 필요 없어 숨김 처리함 */
.pai-roadmap-flow { display: flex; align-items: stretch; gap: 0; margin-top: 80px; }
.pai-roadmap-arrow { display: none; }
.pai-roadmap-card {
	position: relative;
	flex: 1 1 0; min-width: 0;
	padding: 40px 40px 40px 60px;
	background: rgba(255,255,255,0.08);
	clip-path: polygon(0 0, calc(100% - 3.2rem) 0, 100% 50%, calc(100% - 3.2rem) 100%, 0 100%, 3.2rem 50%);
}
.pai-roadmap-card:first-child { padding-left: 40px; clip-path: polygon(0 0, calc(100% - 3.2rem) 0, 100% 50%, calc(100% - 3.2rem) 100%, 0 100%); border-radius: 32px 0 0 32px;}
.pai-roadmap-card:last-child { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 3.2rem 50%); border-radius: 0 32px 32px 0;}
.pai-roadmap-card:not(:first-child) { margin-left: -2.4rem; }
.pai-roadmap-card--active { background: linear-gradient(135deg, var(--main-color)); z-index: 1; }
.pai-roadmap-card-head { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.pai-roadmap-card-head .num { display: inline-block; width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0; font-size: 18px; font-weight: 500; background-color: rgba(255,255,255,0.2); color: #fff; text-align: center; line-height: 40px; letter-spacing: -1px;}
.pai-roadmap-card-head .font-poppon { font-size: 18px; font-weight: 400; color: #fff;}

.pai-roadmap-eng { display: block; font-size: 24px; font-weight: 600; color: #fff; }
.pai-roadmap-kor { display: block; font-size: 14px; color: rgba(255,255,255,0.7); margin: 8px 0 24px; font-weight: 400;}
.pai-roadmap-card .check-list > li { color: rgba(255,255,255,0.75); font-size: 16px; font-weight: 400; }
.pai-roadmap-card .check-list > li:before { color: #fff; font-weight: normal;}

/* 16주 커리큘럼 상세 그리드 */
.pai-curriculum-head { display: flex; align-items: flex-end; justify-content: space-between; margin-top: 8rem; flex-wrap: wrap; gap: 1.6rem; }
.pai-curriculum-head .tit-box { margin: 0; }
.pai-curriculum-more { flex-shrink: 0; font-size: 1.4rem; font-weight: 600; color: var(--main-color); display: flex; align-items: center; gap: 0.4rem; white-space: nowrap; }
.pai-curriculum-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 16px; list-style: none; margin: 40px 0 0; padding: 0; }
.pai-curriculum-grid li { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; padding: 16px; background: var(--main-rgb10); border-radius: 16px; }
.pai-curriculum-grid li .badge { font-weight: 600;}
.pai-curriculum-grid li p { text-align: center;}

@media all and (max-width: 1280px) {
	.pai-arch-row { flex-direction: column; }
	/* 셰브론 모양은 한 줄로 쭉 이어질 때만 맞게 디자인돼 있어서, 2열로 줄바꿈될 땐 평범한 카드 모양으로 되돌림 */
	.pai-roadmap-flow { flex-wrap: wrap; gap: 1.6rem; }
	.pai-roadmap-card,
	.pai-roadmap-card:first-child,
	.pai-roadmap-card:last-child { flex: 1 1 calc(50% - 0.8rem); margin-left: 0; padding: 2.8rem 2.4rem; clip-path: none; border-radius: 1.6rem; }
	.pai-curriculum-grid { grid-template-columns: repeat(4, 1fr); }
}
@media all and (max-width: 800px) {
	.pai-arch-flow { flex-direction: column; }
	.pai-arch-arrow { flex-direction: row; padding-top: 0; transform: rotate(90deg); }
	.pai-curriculum-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── 화면④ 교육플랫폼 구조도 :: Start → Training Equipment → IoT&Robot 분기 → 합류 → End
   순수 CSS로 그린 플로우차트. 선(line)은 모두 고정 색상의 단순 수직/수평 바로 단순화했고,
   분기/합류 지점의 정확한 대각선 꺾임은 재현하지 않고 "한 줄이 갈라지거나 모인다"는 의미만 표현함 */
.pai-flow { display: flex; flex-direction: column; align-items: center; margin-top: 8rem; }
.pai-flow-node {position: relative; display: inline-flex; align-items: center; justify-content: center; min-width: 200px; height: 52px; padding: 0 24px; border-radius: 10rem; border: 2px solid #cbd2db; background: #fff; font-size: 16px; font-weight: 600; color: var(--color-dark); box-shadow: 0 2px 8px rgba(15,23,42,0.06); white-space: nowrap; }
.pai-flow-node--blue   { border-color: #2196f3; background: linear-gradient(90deg,#e3f2fd,#fff); }
.pai-flow-node--orange { border-color: #ff9800; background: linear-gradient(90deg,#fff3e0,#fff); }
.pai-flow-node--cyan   { border-color: #00bcd4; }
.pai-flow-node--purple { border-color: #673ab7; background: linear-gradient(90deg,#ede7f6,#fff); }
.pai-flow-node--green  { border-color: #4caf50; }
.pai-flow-node--wide   { width: 100%; max-width: 820px; margin: 40px auto;}
.pai-flow-node:before,
.pai-flow-box:before {content: ""; position: absolute; bottom: -41px; left: calc(50% - 1px); width: 1.5px; height: 39px; background-color: var(--border-color);}
.pai-flow-node:after,
.pai-flow-box:after {
	content: "\ea4e";
    font-family: remixicon !important;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
	line-height: 1;
    position: absolute;
    bottom: -47px;
    left: calc(50% - 10px);
    font-size: 20px;
    color: var(--gray-200);
    z-index: 1;
}
.pai-flow-node.end:before,
.pai-flow-node.last:after {display: none;}
.pai-flow-node.end:after,
.pai-flow-box.last:after {display: none;}
.pai-flow-row {position: relative; display: flex; align-items: flex-start; gap: 24px; padding-top: 40px;}
.pai-flow-row .pai-flow-node {min-width: 160px;}
.pai-flow-col {position: relative; display: flex; flex-direction: column; align-items: center; gap: 40px;}
.pai-flow-col.second {margin-top: 92px;}
.pai-flow-box {position: relative; padding: 0 24px; min-width: 200px; height: 52px; border-radius: 50px; border: 2px solid #cbd2db; background: #fff; font-size: 16px; font-weight: 600; color: var(--color-dark); text-align: center; line-height: 1.5; display: flex; align-items: center; justify-content: center; box-shadow: 0 2px 8px rgba(15,23,42,0.06); }
.pai-flow-box--cyan { border-color: #00bcd4; min-width: 200px; min-height: 80px; border-radius: 24px;}
.pai-flow-box--teal { border-color: #26a69a; min-width: 200px; }
.pai-flow-fork { width: 100%; display: flex; justify-content: center; }
.pai-flow-branch {position: relative; display: flex; gap: 0; align-items: flex-start; justify-content: center; margin: 40px auto 0; padding-top: 40px;}
.pai-flow-branch .pai-flow-col.last {margin-left: 40px;}
.pai-flow-branch:before {content: ""; position: absolute; top: 0; left: 21.5%; right: 12%; height: 1.5px; background-color: var(--border-color);}
.pai-flow-branch .pai-flow-col.first:before,
.pai-flow-branch .pai-flow-col.last:before {content: ""; position: absolute; top: -40px; left: 49%; width: 1.5px; height: 39px; background-color: var(--border-color);}
.pai-flow-branch .pai-flow-col.last:before {left: auto; right: 47.4%;}
.pai-flow-branch .pai-flow-col.first:after,
.pai-flow-branch .pai-flow-col.last:after {
	content: "\ea4e";
    font-family: remixicon !important;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
	line-height: 1;
    position: absolute;
    top: -14px;
    left: 46.5%;
    font-size: 20px;
    color: var(--gray-200);
    z-index: 1;
}
.pai-flow-branch .pai-flow-col.last:after {left: auto; right: 42.5%;}
.pai-flow-branch .pai-flow-row:before {content: ""; position: absolute; top: 0; left: 22.5%; right: 25%; height: 1.5px; background-color: var(--border-color);}
.pai-flow-branch .pai-flow-row > .pai-flow-column {position: relative;}
.pai-flow-branch .pai-flow-row > .pai-flow-column.first:before,
.pai-flow-branch .pai-flow-row > .pai-flow-column.last:before {content: ""; position: absolute; top: -40px; left: 48%; width: 1.5px; height: 39px; background-color: var(--border-color);}
.pai-flow-branch .pai-flow-row > .pai-flow-column.last:before {left: auto; right: 53%}
.pai-flow-branch .pai-flow-row > .pai-flow-column.first:after,
.pai-flow-branch .pai-flow-row > .pai-flow-column.last:after {
	content: "\ea4e";
    font-family: remixicon !important;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
	line-height: 1;
    position: absolute;
    top: -13px;
    left: 42.5%;
    font-size: 20px;
    color: var(--gray-200);
    z-index: 1;
}
.pai-flow-branch .pai-flow-row > .pai-flow-column.last:after {left: auto; right: 47%}.pai-flow-col.second:before {content: ""; position: absolute; top: 26px; right: 100%; width: 72px; height: 1.5px; background-color: var(--border-color);}
.pai-flow-col.second:after {
	content: "\ea6e";
    font-family: remixicon !important;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
	line-height: 1;
    position: absolute;
    top: 10.5%;
    left: -15px;
    font-size: 24px;
    color: var(--gray-200);
    z-index: 1;
}
.pai-flow-box--teal:last-child:before {height: 107px; top: calc(100% + 1px); bottom: auto;}
.pai-flow-box--teal:last-child:after {top: calc(100% + 96px); bottom: auto; left: 45%;}
.pai-flow-col.last .pai-flow-node.pai-flow-node--orange:before {top: calc(100% + 2px); bottom: auto; height: 200px;}
.pai-flow-col.last .pai-flow-node.pai-flow-node--orange:after {bottom: -208px;}
@media all and (max-width: 800px) {
	.pai-flow-row { flex-direction: column; }
	.pai-flow-hline-arrow { transform: rotate(90deg); }
	.pai-flow-branch { flex-direction: column; align-items: center; gap: 3.2rem; }
	.pai-flow-fork-line { width: 2px; border-top: none; background: #cbd2db; }
	.pai-flow-fork-line:before, .pai-flow-fork-line:after { display: none; }
}

@media all and (max-width: 1280px) {
	.bems-photo-grid { grid-template-columns: repeat(2, 1fr); }
	.bems-photo-grid.bems-photo-grid--3col { grid-template-columns: repeat(2, 1fr); }
	.pai-features-grid { grid-template-columns: repeat(3, 1fr); }
}
@media all and (max-width: 1024px) {
	.bems-feature-grid > li { flex-direction: column; align-items: stretch; gap: 2.4rem; }
	.bems-feature-img { width: 100%; }
	.pai-hero-top { flex-direction: column; }
	.pai-hero-visual { flex-direction: column; width: 100%; }
	.pai-hero-plus { transform: rotate(90deg); }
	.pai-hero-module { width: 100%; box-sizing: border-box; }
}
@media all and (max-width: 800px) {
	.pai-hotspot { width: 2.4rem; height: 2.4rem; font-size: 1.1rem; }
	.pai-hotspot[data-tooltip]:before { max-width: 18rem; font-size: 1.1rem; }
}
@media all and (max-width: 640px) {
	.bems-photo-grid { grid-template-columns: 1fr; }
	.bems-photo-grid.bems-photo-grid--3col { grid-template-columns: 1fr; }
	.pai-features-grid { grid-template-columns: 1fr; }
}

/* =============================================================================
   교육훈련장비 상세페이지 :: XR 증강현실 SW (product/trainingEquipment/xrSystem.html)
   화면① Make / View 솔루션 소개(텍스트·이미지 좌우 교차) → 화면② View 앱 배포(설명 + YouTube 영상)
   → 화면③ 주요 기능 20 카드 Swiper(.sf-perf* 재사용)
   ============================================================================= */

/* ── 화면① Make / View — 텍스트 + 화면 이미지 2단, View는 좌우 반전(.xr-split--reverse) */
.xr-split { display: flex; align-items: center; gap: 12rem; margin-top: 8rem; }
.xr-split--reverse { flex-direction: row-reverse; }
.xr-split-text { flex: 1 1 0; min-width: 0; }
.xr-split-media { flex: 0 0 60%; min-width: 0; }
.xr-split-media img { width: 100%; height: auto; display: block; }
.xr-split-label { display: inline-block; color: var(--main-color); font-size: 14px; font-weight: 600; letter-spacing: .1em; line-height: 1; }
.xr-split-tit { margin-top: 16px; font-size: 32px; font-weight: 700; color: var(--color-dark); line-height: 1.3; letter-spacing: -0.03em; word-break: keep-all; }
.xr-split-intro { display: flex; flex-direction: column; gap: 8px; list-style: none; margin: 24px 0 0; padding: 0; }
.xr-split-intro li { position: relative; font-size: 18px; font-weight: 500; line-height: 1.6; color: var(--gray-700); word-break: keep-all; }
/* 체크 아이콘은 공통 .check-list(layout.css)를 사용 — 글자 크기(18px)에 맞춰 아이콘 크기·위치만 보정 */
.xr-split-intro.check-list > li:before { font-size: 18px; top: 1px; }
.xr-split-numlist { display: flex; flex-direction: column; gap: 24px; list-style: none; counter-reset: xr-num; margin: 40px 0 0; padding: 40px 0 0; border-top: 1px solid var(--border-color); }
.xr-split-numlist li { position: relative; padding-left: 48px; font-size: 18px; font-weight: 500; line-height: 1.5; color: var(--color-dark); counter-increment: xr-num; word-break: keep-all; }
.xr-split-numlist li:before { content: counter(xr-num, decimal-leading-zero); position: absolute; left: 0; top: -4px; width: 36px; height: 36px; border-radius: 50%; background: var(--main-color); font-family: var(--font-family2); font-size: 16px; font-weight: 600; line-height: 36px; text-align: center; color: #fff; }

/* ── 화면② View 앱 배포 — 설명(좌) + 16:9 YouTube 영상(우) */
.xr-deploy { display: flex; align-items: center; gap: 8rem; }
.xr-deploy-text { flex: 1 1 0; min-width: 0; }
.xr-deploy-video { flex: 0 0 56%; min-width: 0; }
.xr-video { position: relative; aspect-ratio: 16 / 9; border-radius: 24px; overflow: hidden; background: #000; box-shadow: 0 16px 40px rgba(0, 56, 148, .15); }
.xr-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.xr-video-caption { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 16px; font-size: 15px; color: var(--gray-600); }
.xr-video-caption i { font-size: 18px; color: var(--main-color); }

/* ── 화면③ 주요 기능 20 — smartFactorySystem.html 수행 준거와 같은 카드 Swiper(.sf-perf*) 재사용, 출처 표기만 XR 전용 */
/* 카드 오른쪽 위 MAKE / VIEW 구분 라벨 */
.xr-page .sf-perf-card { position: relative; }
/* XR 기능 GIF(화면 캡처)용 — 이미지 영역을 검은 바탕으로 꽉 채움 (스마트공장 수행 준거의 투명 PNG에는 적용하지 않음) */
.xr-page .sf-perf-img { padding: 0; background: #000; overflow: hidden; }.xr-perf-tag { position: absolute; top: 32px; right: 24px; padding: 6px 12px; border-radius: 30px; background: var(--main-color); color: #fff; font-size: 12px; font-weight: 600; letter-spacing: .08em; line-height: 1; }
.xr-source { margin-top: 40px; font-size: 13px; color: var(--gray-500); text-align: right; }
.xr-source a { color: var(--gray-500); text-decoration: underline; }
/* OTOS 영상 출처 — 영상 설명 바로 아래 가운데 */
.ot-video-source { margin-top: 8px; text-align: center; }

@media all and (max-width: 1280px) {
	.xr-split,
	.xr-split--reverse,
	.xr-deploy { flex-direction: column; align-items: stretch; gap: 5rem; }
	.xr-split-media,
	.xr-deploy-video { flex: none; }
}
@media all and (max-width: 640px) {
	.xr-split { margin-top: 8rem; }
	.xr-split-tit { font-size: 24px; }
	.xr-split-intro li { font-size: 16px; }
	.xr-split-intro.check-list > li:before { font-size: 16px; }
	.xr-split-numlist li { padding-left: 44px; font-size: 16px; }
	.xr-split-numlist li:before { top: -4px; width: 32px; height: 32px; font-size: 14px; line-height: 32px; }
}

/* =============================================================================
   교육훈련장비 상세페이지 :: 시퀀스 / PLC 실험장치 (product/trainingEquipment/sequencePlcSystem.html)
   화면①·③ 텍스트+사진 2단은 XR 페이지의 .xr-split* 를 재사용하고, 번호 마커는 .pai-hotspot, 안내 문구는 .sf-layout-hint 재사용
   ============================================================================= */
.sp-split-first { margin-top: 0; }
.sp-photo { position: relative; }
.sp-photo img { width: 100%; height: auto; display: block; }

/* 화면① 상단 핵심 특징 요약 5종 — 아이콘 원(좌) + 제목·설명(우), 항목 사이 세로 구분선 */
.sp-point-list { display: grid; grid-template-columns: repeat(5, 1fr); list-style: none; margin: 8rem 0 0; padding: 32px 0; background: linear-gradient(180deg, #f7f9fd, var(--main-rgb10)); border-radius: 32px; }
.sp-point-list > li { display: flex; align-items: center; gap: 20px; min-width: 0; padding: 0 28px; }
.sp-point-list > li + li { border-left: 1px solid var(--main-rgb20); }
.sp-point-icon { flex-shrink: 0; display: flex; align-items: center; justify-content: center; width: 72px; height: 72px; border-radius: 50%; background: #fff; color: var(--main-color); }
.sp-point-icon svg { width: 34px; height: 34px; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; }
.sp-point-text { min-width: 0; }
.sp-point-text h6 { font-size: 18px; color: var(--color-dark); word-break: keep-all; }
.sp-point-text p { margin-top: 8px; font-size: 15px; line-height: 1.5; color: var(--gray-600); }

/* 화면① 적용 PLC 안내 카드 (사진 아래) */
.sp-plc-note { display: flex; align-items: center; gap: 24px; margin-top: 24px; padding: 16px 24px; background: var(--main-rgb10); border-radius: 24px; }
.sp-plc-note-img { flex: 0 0 160px; }
.sp-plc-note-img img { width: 100%; height: auto; display: block; }
.sp-plc-note-label { display: block; font-size: 12px; font-weight: 600; letter-spacing: .1em; color: var(--main-color); }
.sp-plc-note-text strong { display: block; margin-top: 6px; font-family: var(--font-family2); font-size: 22px; font-weight: 700; color: var(--color-dark); }
.sp-plc-note-text p { margin-top: 4px; font-size: 16px; color: var(--gray-700); }

/* 화면① 사진 위 번호 마커 — 공용 .pai-hotspot(흰 원)을 남색 원으로, 팝오버는 사양까지 담아 폭을 넓힘 */
.sp-photo .pai-hotspot { width: 28px; height: 28px; font-size: 12px; background: var(--main-color); color: #fff; }
.sp-photo .pai-hotspot:hover,
.sp-photo .pai-hotspot:focus-visible { background: #fff; color: var(--main-color); }
.sp-photo .pai-hotspot[data-tooltip]:before { max-width: 280px; }
.sp-hint { display: flex; justify-content: center; }

/* 화면③ PLC 구성 — 모듈 카드 6종 (3열) */
.sp-module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; list-style: none; margin: 6rem 0 0; padding: 0; }
.sp-module-grid > li { display: flex; align-items: center; gap: 24px; padding: 24px; background: #fff; border-radius: 24px; }
.sp-module-img { flex: 0 0 180px; height: 160px; display: flex; align-items: center; justify-content: center; }
.sp-module-img img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.sp-module-type { display: block; font-size: 14px; font-weight: 600; letter-spacing: .05em; color: var(--main-color); }
.sp-module-body strong { display: block; margin-top: 6px; font-size: 24px; font-weight: 700; color: var(--color-dark); }
.sp-module-qty { display: inline-block; margin-top: 12px; padding: 4px 12px; border-radius: 20px; background: var(--main-rgb10); font-size: 14px; font-weight: 600; color: var(--main-color); }

/* 화면④ PLC 선택 사항 — 제조사 로고 4종 */
.sp-brand-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; list-style: none; margin: 6rem 0 0; padding: 0; }
.sp-brand-grid > li { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 40px 24px 32px; border: 1px solid var(--border-color); border-radius: 24px; }
.sp-brand-logo { height: 72px; display: flex; align-items: center; justify-content: center; }
.sp-brand-logo img { max-height: 100%; max-width: 220px; width: auto; height: auto; }
.sp-brand-grid span { font-size: 18px; font-weight: 600; color: var(--color-dark); }

@media all and (max-width: 1280px) {
	.sp-point-list { grid-template-columns: repeat(3, 1fr); row-gap: 32px; }
	.sp-point-list > li:nth-child(3n+1) { border-left: 0; }
	.sp-module-grid { grid-template-columns: repeat(2, 1fr); }
	.sp-brand-grid { grid-template-columns: repeat(2, 1fr); }
}
@media all and (max-width: 640px) {
	.sp-point-list { grid-template-columns: 1fr; row-gap: 20px; padding: 24px 0; }
	.sp-point-list > li { border-left: 0 !important; padding: 0 24px; }
	.sp-point-icon { width: 56px; height: 56px; }
	.sp-point-icon svg { width: 28px; height: 28px; }
	.sp-point-text p br { display: none; }
	.sp-plc-note { padding: 12px; gap: 16px; }
	.sp-plc-note-img { flex-basis: 100px; }
	.sp-plc-note-text strong { font-size: 18px; }
	.sp-photo .pai-hotspot { width: 22px; height: 22px; font-size: 10px; }
	.sp-module-grid { grid-template-columns: 1fr; }
	.sp-brand-grid { gap: 12px; }
	.sp-brand-grid > li { padding: 24px 12px 20px; }
	.sp-brand-logo { height: 48px; }
	.sp-brand-logo img { max-width: 100%; }
	.sp-brand-grid span { font-size: 15px; }
}

/* =============================================================================
   교육훈련장비 상세페이지 :: 반도체·설비보전 시스템 (product/trainingEquipment/semiconMaintenanceSystem.html)
   요약 띠(.sp-point-list)·라벨(.xr-split-label)·2단(.xr-split)은 시퀀스/PLC·XR 페이지 스타일을 재사용
   ============================================================================= */

/* 화면① 전기 공압 / 전기 유압 실험실습 장비 — 사진(좌) + 특징(우) 카드 2열 */
.sm-trainer-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; margin-top: 8rem; }
.sm-trainer-card { display: flex; align-items: flex-start; gap: 40px; padding: 40px; background: var(--main-rgb10); border-radius: 32px; }
.sm-trainer-photo { flex: 0 0 40%; }
.sm-trainer-photo img { width: 100%; height: auto; display: block; }
.sm-trainer-body { flex: 1; min-width: 0; }
.sm-trainer-tit { margin: 16px 0 24px; font-size: 26px; font-weight: 700; color: var(--color-dark); letter-spacing: -0.03em; word-break: keep-all; }
.sm-trainer-body .check-list > li { font-size: 16px; }

/* 화면② 반도체 유지보수 실습장비 — 구성 사진 3종 + 특징 */
.sm-photo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; list-style: none; margin: 6rem 0 0; padding: 0; }
.sm-photo-grid > li { display: flex; }
.sm-photo { width: 100%; display: flex; flex-direction: column; gap: 24px; padding: 40px; box-sizing: border-box; background: #fff; border-radius: 40px; overflow: hidden; }
.sm-photo-img { height: 400px; display: flex; align-items: center; justify-content: center; }
.sm-photo-img img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
/* 제품명 — 카드 안 하단 가운데 정렬 */
.sm-photo-name { margin: 0; padding: 0; font-size: 18px; font-weight: 600; color: var(--color-dark); text-align: center; word-break: keep-all; }
.sm-feature-list { gap: 12px; margin-top: 48px; padding: 32px 40px; background: #fff; border-radius: 24px; }
.sm-feature-list > li { font-size: 17px; }
.sm-feature-list b { color: var(--main-color); font-weight: 700; }

/* 화면③ 반도체 배관 Panel System — 실습 목적(좌) + 패널·MFC 사진과 구성 부품(우) */
.sm-piping-desc { margin-top: 16px; font-size: 18px; color: var(--gray-700); }
.sm-sub-tit { margin-top: 32px; font-size: 18px; font-weight: 700; color: var(--main-color); }
.sm-page .xr-split-intro { margin-top: 16px; }
.sm-size { display: inline-flex; align-items: center; gap: 8px; margin-top: 32px; padding: 10px 20px; border-radius: 30px; background: var(--main-rgb10); font-size: 16px; font-weight: 600; color: var(--main-color); }
/* 사진 2장 한 줄 — 배관 패널(넓게) + MFC 콘트롤러(좁게), 아래 줄에 구성 부품 */
.sm-piping-photos { display: flex; align-items: flex-end; gap: 40px; }
.sm-piping-photos figure { margin: 0; text-align: center; }
.sm-piping-panel { flex: 1 1 0; min-width: 0; }
.sm-mfc { flex: 0 0 26%; }
.sm-piping-photos img { width: 100%; height: auto; display: block; }
.sm-piping-panel img { border-radius: 16px; }
.sm-piping-photos figcaption { margin-top: 24px; font-size: 16px; font-weight: 600;}
.sm-parts { margin-top: 40px; }
.sm-parts ul { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 24px 0 0; padding: 0; }
.sm-parts li { padding: 8px 14px; border-radius: 20px; background: var(--main-rgb10); font-size: 14px; font-weight: 500; color: var(--color-dark); }

@media all and (max-width: 1280px) {
	.sm-trainer-grid { grid-template-columns: 1fr; }
}
@media all and (max-width: 1024px) {
	.sm-photo-grid { grid-template-columns: 1fr; }
	.sm-photo-img { height: 280px; }
}
@media all and (max-width: 640px) {
	.sm-trainer-card { flex-direction: column; padding: 24px; }
	.sm-trainer-photo { flex: none; width: 100%; box-sizing: border-box; }
	.sm-trainer-tit { font-size: 22px; }
	.sm-feature-list { padding: 24px; }
	.sm-feature-list > li { font-size: 15px; }
	.sm-mfc { flex-basis: 30%; }
}

/* =============================================================================
   교육훈련장비 상세페이지 :: OTOS 카메라 용접면 (product/trainingEquipment/otos.html)
   요약 띠(.sp-point-list)·라벨(.xr-split-label)·번호 마커(.pai-hotspot)는 다른 교육훈련장비 페이지 스타일을 재사용
   ============================================================================= */
.tit-box .sub-tit sup,
.ot-page sup { position: relative; top: -0.6em; font-size: .6em; vertical-align: baseline; }

/* 소제목 — 왼쪽 파란 세로 막대 */
.ot-sec-tit { font-size: 24px; font-weight: 700; line-height: 1.1; color: var(--color-dark); }
.ot-point-list { margin-top: 24px; }
.ot-page > .bems-section > .ot-sec-tit { margin-top: 10rem; }

/* 화면① 제품 사진 + 핵심 수치(좌) / 사양표(우) */
.ot-product { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 8rem; align-items: start; margin-top: 8rem; }
.ot-product-img { position: relative; display: flex; justify-content: center; }
/* 사진 좌측 상단 FULL HD 마크 — 메인컬러 박스 안에 FULL(흰 글자) + HD(흰 박스·메인컬러 글자) */
.ot-hd-mark { position: absolute; top: 40px; left: 24px; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 6px 6px 6px; border-radius: 12px; background: var(--main-color); line-height: 1; }
.ot-hd-mark span { padding-top: 2px; color: #fff; font-size: 17px; font-weight: 700; letter-spacing: .02em; }
.ot-hd-mark b { display: block; min-width: 64px; padding: 4px 8px; border-radius: 8px; background: #fff; color: var(--main-color); font-size: 26px; font-weight: 800; text-align: center; }
.ot-product-img img { width: 100%; max-width: 460px; height: auto; display: block; }
.ot-stats { display: flex; align-items: center; justify-content: center; gap: 40px; list-style: none; margin: 40px auto; }
.ot-stats li { display: flex; flex-direction: column; align-items: center; gap: 24px; text-align: center; }
.ot-stats-icon { display: flex; align-items: center; justify-content: center; width: 88px; height: 88px; border-radius: 50%; color: var(--main-color); background: radial-gradient(circle at 30% 30%, #fff, var(--main-rgb20)); }
.ot-stats-icon svg { width: 36px; height: 36px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.ot-stats-icon--hd { flex-direction: column; font-size: 11px; font-weight: 700; line-height: 1; }
.ot-stats-icon--hd b { margin-top: 2px; font-size: 19px; font-weight: 800; }
.ot-stats p { font-size: 16px; line-height: 1.4; color: var(--color-dark); }
/* OTOS 로고(200×37) + 제품명 한 줄 배치 */
.ot-brand-row { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 16px; margin-top: 24px; }
.ot-brand-logo { display: block; width: 120px; height: auto; }
.ot-product-tit { margin: 0; font-size: 36px; font-weight: 700; color: var(--color-dark); letter-spacing: -0.03em; }
/* 제품 설명 문단 (OTOS 제품 소개 문구) */
.ot-desc { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.ot-desc p { font-size: 18px; line-height: 1.7; color: var(--gray-700); }
/* 인증마크 — 설명 아래, HELMET / CAMERA 두 묶음을 가로로 (마크 이미지는 검정 선화라 높이만 맞춤) */
.ot-cert { display: flex; flex-wrap: wrap; gap: 24px 48px; margin: 80px 0 0; }
.ot-cert > div { display: flex; flex-direction: column; gap: 12px; }
.ot-cert dt { font-size: 13px; font-weight: 600; letter-spacing: .1em; color: var(--gray-500); }
.ot-cert dd { margin: 0; }
.ot-cert img { height: 36px; width: auto; display: block; }

/* 화면②·④ 2단 카드 */
.ot-two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 80px; align-items: stretch; }
.ot-card { display: flex; flex-direction: column; padding: 40px; background: #fff; border-radius: 40px; }
.ot-card-desc { margin-top: 20px; font-size: 16px; line-height: 1.7; color: var(--gray-700); }

/* 실시간 영상 공유 — ot-share.png(투명 배경 발광 이미지) + 아래 기기명 */
.ot-share { margin: auto 0 0; }
.ot-page .bg-blue .ot-card .ot-share { margin-top: 40px; }
.ot-share img { width: 100%; max-width: 560px; height: auto; display: block; margin: 0 auto; }
.ot-share-labels { display: grid; grid-template-columns: 1fr 1.6fr 1fr; max-width: 560px; margin: 16px auto 0; text-align: center; }
.ot-share-labels span { font-size: 16px; font-weight: 600; color: var(--color-dark); }

/* 제품 구성 — 분해 이미지 + 번호 마커 + 범례 */
.ot-structure { position: relative; max-width: 460px; margin: 24px auto 0; }
.ot-structure img { width: 100%; height: auto; display: block; }
.ot-structure .pai-hotspot { background: var(--main-color); color: #fff; }
.ot-structure .pai-hotspot:hover,
.ot-structure .pai-hotspot:focus-visible { background: #fff; color: var(--main-color); }
.ot-legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; list-style: none; margin: 24px 0 0; padding: 0; }
.ot-legend li { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 500; color: var(--color-dark); }
.ot-legend b { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; background: var(--main-color); color: #fff; font-family: var(--font-family2); font-size: 12px; }

/* 화면③ 용접 영상 4장 */
/* 좌측 2×2 예시 사진 + 우측 실시간 용접 영상(Vimeo, 16:9 — .xr-video 재사용) */
.ot-weld { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 80px; align-items: center; margin-top: 8rem; }
.ot-weld-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; list-style: none; margin: 0; padding: 0; }
.ot-weld-grid li { border-radius: 24px; overflow: hidden; background: #000; }
.ot-weld-grid img { width: 100%; aspect-ratio: 690 / 415; object-fit: cover; display: block; }
.ot-weld-grid span { display: block; padding: 16px 20px; background: var(--main-color2); color: #fff; font-size: 17px; font-weight: 600; }

/* 화면④ 적용 분야 아이콘 + 현장 활용 예시 */
.ot-two-col--apply { gap: 8rem; margin-top: 8rem; display: flex; flex-direction: column; align-items: center; }
.ot-apply { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; list-style: none; margin: 0 auto; padding: 0; }
.ot-apply li { display: flex; flex-direction: column; align-items: center; gap: 16px; text-align: center; }
.ot-apply span { display: flex; align-items: center; justify-content: center; width: 88px; height: 88px; border-radius: 50%; background: #fff; color: var(--main-color); }
.ot-apply svg { width: 38px; height: 38px; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; }
.ot-apply p { line-height: 1.4; color: var(--color-dark); }
.ot-case { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.ot-case-photo { margin: 0; }
.ot-case-photo img,
.ot-case-video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; border-radius: 24px; background: #000; }
.ot-case-photo figcaption { margin-top: 14px; font-size: 16px; font-weight: 600; color: var(--color-dark); }
.ot-case-photo small { display: block; margin-top: 4px; font-size: 14px; font-weight: 400; color: var(--gray-600); }

@media all and (max-width: 1280px) {
	.ot-product,
	.ot-two-col,
	.ot-two-col--apply { grid-template-columns: 1fr; gap: 5rem; }
	.ot-product-photo { max-width: 640px; width: 100%; margin: 0 auto; box-sizing: border-box; }
	.ot-weld { grid-template-columns: 1fr; }
}
@media all and (max-width: 640px) {
	.ot-card { padding: 24px; border-radius: 24px; }
	.ot-hd-mark span { font-size: 13px; }
	.ot-hd-mark b { min-width: 48px; font-size: 20px; }
	.ot-stats { flex-wrap: wrap; gap: 24px 16px; }
	.ot-stats li { flex: 0 0 calc(50% - 8px); }
	.ot-product-tit { font-size: 26px; }
	.ot-desc p { font-size: 16px; }
	.ot-cert img { height: 26px; }
	.ot-sec-tit { font-size: 20px; }
	.ot-apply span { width: 64px; height: 64px; }
	.ot-apply svg { width: 28px; height: 28px; }
	.ot-share-labels span { font-size: 13px; }
	.ot-apply { grid-template-columns: repeat(2, 1fr); row-gap: 24px; }
	.ot-weld-grid { gap: 12px; }
	.ot-weld-grid span { padding: 12px 14px; font-size: 14px; }
	.ot-case { grid-template-columns: 1fr; }
}

/* =============================================================================
   교육훈련장비 상세페이지 :: 스마트공장 자격증 실습장비 (product/trainingEquipment/smartFactorySystem.html)
   섹션 여백·배경은 BEMS 페이지의 .bems-section / .bg-blue 를 그대로 재사용함
   ============================================================================= */

/* 화면④ 실습장비 소개 섹션 — 고정(parallax) 배경 사진. 사진이 밝아서 흰 글씨/카드가 보이도록 남색 계열 오버레이를 깔아줌 */
.sf-section--bg { position: relative; background: url(/assets/images/product/smartFactory/bg_smartFactorySystem.jpg) center / cover no-repeat fixed; }
.sf-section--bg:before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(8, 20, 45, .85), rgba(8, 20, 45, .6)); }
.sf-section--bg > .area-box { position: relative; z-index: 1; }

/* ── 화면① 스마트 공장 시스템 소개 :: 핵심 특징 6종 → 시스템 소개(좌) + 다크 패널(우) → 국가기술자격 실습 교육 */
.sf-cert { padding: 20rem 0; overflow: hidden; }

/* 핵심 특징 6종 — 아이콘 원 + 제목 + 2줄 설명, 항목 사이 세로 구분선 */
.sf-point-list { display: grid; grid-template-columns: repeat(6, 1fr); list-style: none; margin: 8rem 0 0; padding: 0; }
.sf-point-list > li { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 0 16px; }
.sf-point-icon { display: flex; align-items: center; justify-content: center; width: 88px; height: 88px; margin-bottom: 24px; border-radius: 50%; background: radial-gradient(circle at 30% 30%, #fff, var(--main-rgb20)); color: var(--main-color); }
/* Lucide 인라인 SVG — 선 굵기는 stroke-width 하나로 6개 아이콘을 함께 조절 */
.sf-point-icon svg { width: 40px; height: 40px; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; }
.sf-point-list h6 { font-size: 22px; color: var(--main-color2); margin-bottom: 12px; word-break: keep-all; }
.sf-point-list p { font-size: 16px; color: var(--gray-600); }

/* 스마트 공장 시스템이란? — 우측 다크 패널은 :before로 화면 오른쪽 끝까지 확장하고 왼쪽 변을 사선으로 자름 */
.sf-about { margin-top: 12rem; overflow: hidden; background: linear-gradient(90deg, var(--main-rgb10), #f6f8fc); }
.sf-about-inner { display: flex; align-items: stretch; }
.sf-about-text { flex: 1 1 50%; min-width: 0; padding: 80px 80px 80px 0; }
.sf-about-text h3 { font-size: 36px; font-weight: 700; color: var(--main-color); margin-bottom: 24px; letter-spacing: -0.03em; }
.sf-about-text p { font-size: 18px; line-height: 1.6; color: var(--gray-700); }
.sf-about-text p + p { margin-top: 16px; }
.sf-about-panel { position: relative; z-index: 0; flex: 1 1 50%; min-width: 0; display: flex; gap: 48px; padding: 80px 0 80px 96px; }
.sf-about-panel:before { content: ""; position: absolute; z-index: -1; top: 0; bottom: 0; left: 0; right: -100vw; background: linear-gradient(135deg, var(--main-color2), #081a36); clip-path: polygon(48px 0, 100% 0, 100% 100%, 0 100%); }
.sf-about-col { flex: 1 1 0; min-width: 0; }
.sf-about-col:first-child { flex-grow: 1.35; }
.sf-about-col + .sf-about-col { padding-left: 48px; border-left: 1px solid rgba(255, 255, 255, .15); }
.sf-about-col h6 { font-size: 24px; color: #4fb4ff; margin-bottom: 24px; }
.sf-about-list { display: flex; flex-direction: column; gap: 16px; list-style: none; margin: 0; padding: 0; }
.sf-about-list li { display: flex; align-items: center; gap: 12px; min-height: 34px; font-size: 17px; color: #fff; line-height: 1.4; word-break: keep-all; }
.sf-about-list li i { flex-shrink: 0; font-size: 24px; color: #fff; }
/* 주요 적용 대상 — Lucide 인라인 SVG (핵심 특징 아이콘과 같은 선 굵기) */
.sf-about-list li svg { flex-shrink: 0; width: 24px; height: 24px; fill: none; stroke: #fff; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; }
.sf-about-list--check li i { color: #2f8cff; }

/* 스마트공장 국가기술자격 실습 교육 — 텍스트(좌) + 실습 사진·자격증 카드(우) + 필요성 카드 3종 */
.sf-edu { margin-top: 12rem; }
.sf-edu-top { display: flex; align-items: center; gap: 8rem; }
.sf-edu-text { flex: 1 1 0; min-width: 0; }
.sf-edu-tit { font-size: 36px; font-weight: 700; color: var(--main-color); line-height: 1.2; letter-spacing: -0.03em; }
.sf-edu-sub { display: block; margin-top: 24px; font-size: 22px; font-weight: 600; color: var(--color-dark); }
.sf-edu-text p { margin-top: 16px; font-size: 18px; line-height: 1.6; color: var(--gray-700); }
.sf-edu-visual { flex: 0 0 50%; min-width: 0; display: flex; align-items: center; gap: 24px; }
.sf-edu-photo { flex: 1 1 0; min-width: 0; border-radius: 24px; overflow: hidden; box-shadow: 0 12px 32px rgba(15, 23, 42, .12); }
.sf-edu-photo img { width: 100%; height: auto; display: block; }
/* 자격증 카드 — 본문 문단 아래에 2개를 가로로 나란히 배치 */
.sf-license { display: flex; gap: 16px; list-style: none; margin: 40px 0 0; padding: 0; }
.sf-license li { flex: 1 1 0; min-width: 0; display: flex; align-items: center; gap: 16px; padding: 20px 24px; background: #fff; border: 1px solid var(--main-rgb10); border-radius: 20px; box-shadow: 0 8px 24px rgba(0, 56, 148, .08); }
.sf-license-icon { flex-shrink: 0; display: flex; align-items: center; justify-content: center; width: 56px; height: 56px; border-radius: 50%; border: 1px solid #d4ad4b; color: #c09330; font-size: 28px; }
.sf-license b { display: block; font-size: 18px; font-weight: 700; color: var(--main-color); }
.sf-license span:not(.sf-license-icon) { display: block; margin-top: 8px; font-size: 14px; color: var(--gray-600); }

.sf-need-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; list-style: none; margin: 8rem 0 0; padding: 0; }
.sf-need-grid > li { padding: 32px; background: #fff; border: 1px solid var(--main-rgb20); border-radius: 24px; box-shadow: 0 8px 24px rgba(0, 56, 148, .06); }
.sf-need-head { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.sf-need-num { color: var(--main-color); font-size: 24px; font-weight: 500; }
.sf-need-head h6 { font-size: 22px; color: var(--main-color); word-break: keep-all; }
.sf-need-body { display: flex; align-items: center; gap: 24px; }
.sf-need-icon { flex-shrink: 0; display: flex; align-items: center; justify-content: center; width: 80px; height: 80px; border-radius: 50%; background: var(--main-rgb10); color: var(--main-color); }
.sf-need-icon svg { width: 36px; height: 36px; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; }

/* ── 화면② 대상별 도입 효과 :: 그룹(구축 완료/예정) × 역할 카드(기업관리자/현장담당자) */
.sf-effect-group { margin-top: 8rem; }
.sf-effect-group + .sf-effect-group { margin-top: 6rem; }
.sf-effect-tit { font-size: 28px; font-weight: 500; color: var(--color-dark); margin-bottom: 24px; }
.sf-effect-tit b { color: var(--main-color); font-weight: 700; }
.sf-effect-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.sf-effect-card { padding: 24px; background: #fff; border-radius: 24px; box-shadow: 0 4px 16px rgba(0, 56, 148, 0.06); }
.sf-effect-card .check-list { margin-left: 16px; }
.sf-role { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 24px; padding: 16px; border-radius: 16px; font-size: 16px; font-weight: 600; line-height: 1; }
.sf-role i { font-size: 20px; font-weight: normal; }
.sf-role--manager { background: var(--main-rgb10); color: var(--main-color); }
.sf-role--field { background: #e6f4ea; color: #1e7b3c; }
.sf-role--field + .check-list > li:before { color: #1e7b3c; }

/* ── 화면③ 자격 수행 준거 :: 번호 + 이미지 + 항목명 + 설명 카드 9개를 가로 1열 Swiper로 배치
   카드 사이의 > 화살표는 각 카드의 :after로 그림(간격 = spaceBetween 40px 안쪽에 위치) */
.sf-perf { margin-top: 8rem; }
/* 왼쪽은 콘텐츠 시작선에 맞추고 오른쪽만 화면 끝까지 확장 (#wrap overflow:hidden이라 가로 스크롤 안 생김) */
.sf-perf-swiper { overflow: hidden; margin-right: calc(50% - 50vw); }
.sf-perf-swiper .swiper-wrapper { list-style: none; margin: 0; padding: 0; }
.sf-perf-card { position: relative; width: 280px; height: auto; box-sizing: border-box; display: flex; flex-direction: column; padding: 24px; background: var(--main-rgb10); border-radius: 24px; gap: 16px; }
.sf-perf-card:after { content: "\ea6e"; font-family: remixicon !important; font-style: normal; -webkit-font-smoothing: antialiased; position: absolute; top: 50%; right: -32px; transform: translateY(-50%); font-size: 24px; line-height: 1; color: var(--main-color); }
.sf-perf-card:last-child:after { display: none; }
.sf-perf-num { display: inline-flex; align-items: center; justify-content: center; align-self: flex-start; width: 40px; height: 40px; border-radius: 50%; background: #fff; color: var(--main-color); font-size: 16px; font-weight: 600; }
.sf-perf-img { display: flex; align-items: center; justify-content: center; height: 160px; margin: 0; padding: 0 24px; background: #fff; border-radius: 16px; }
.sf-perf-img img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.sf-perf-card h6 { display: flex; align-items: center; justify-content: center; font-size: 18px; line-height: 1.4; color: var(--color-dark); text-align: center; word-break: keep-all; padding: 8px 0 0; }
.sf-perf-card p { padding: 0; font-size: 14px; line-height: 1.6; color: var(--gray-700); }
.sf-perf-card em { font-style: normal; font-weight: 600; color: var(--main-color); }

/* 진행 막대 + 이전/다음 버튼 */
.sf-perf-nav { display: flex; align-items: center; gap: 12px; margin-top: 40px; }
.sf-perf-progress.swiper-pagination-progressbar { position: relative; flex: 1; height: 2px; background: var(--main-rgb20); }
.sf-perf-progress.swiper-pagination-progressbar .swiper-pagination-progressbar-fill { background: var(--main-color); }
.sf-perf-btn { flex-shrink: 0; display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; padding: 0; border: 1px solid var(--main-rgb20); border-radius: 50%; background: #fff; color: var(--main-color); font-size: 24px; cursor: pointer; transition: background .2s, color .2s; }
.sf-perf-btn:hover { background: var(--main-color); color: #fff; }
.sf-perf-btn.swiper-button-disabled { opacity: .35; cursor: default; pointer-events: none; }

/* ── 화면④ 실습장비 소개 :: 장비 사진(좌) + 특징 목록(우) + 선택 가능 로봇/파트너 기기 */
.sf-intro { display: flex; align-items: center; gap: 6rem; margin-top: 8rem; }
.sf-intro-photo { position: relative; flex: 0 0 46%; padding: 40px; background: rgba(255, 255, 255, .25); -webkit-backdrop-filter: blur(15px); backdrop-filter: blur(15px); border-radius: 40px; overflow: hidden; }
.sf-intro-photo img { width: 100%; height: auto; display: block; }
.sf-intro-size { position: absolute; left: 40px; bottom: 40px; display: inline-flex; align-items: center; padding: 12px 16px; border-radius: 40px; background: rgba(255, 255, 255, 0.2); color: #fff; font-size: 14px; font-weight: 400; }
.sf-intro-list { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 16px; list-style: none; margin: 0; padding: 0; }
.sf-intro-list li { display: flex; align-items: center; gap: 20px; padding: 24px; background: rgba(255, 255, 255, .12); -webkit-backdrop-filter: blur(15px); backdrop-filter: blur(15px); border: 1px solid rgba(255, 255, 255, .15); border-radius: 20px; }
.sf-intro-list p { color: #fff; font-weight: 400; }
.sf-intro-list p b { font-weight: 600; }
.sf-intro-icon { flex-shrink: 0; display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 50%; background: rgba(255, 255, 255, .15); color: #fff; }
/* Lucide 인라인 SVG — 다른 영역 아이콘과 같은 선 굵기 */
.sf-intro-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; }
.sf-intro-list li.sf-intro-list--point { background: var(--main-color); border-color: var(--main-color); }
.sf-intro-list li.sf-intro-list--point .sf-intro-icon { background: #fff; color: var(--main-color); }

.sf-option { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4rem; margin-top: 8rem; padding: 40px; background: rgba(255, 255, 255, .25); -webkit-backdrop-filter: blur(15px); backdrop-filter: blur(15px); border-radius: 40px; text-align: center; }
.sf-option-head { display: flex; flex-direction: column; gap: 8px; }
.sf-option-head > span { display: inline-block; width: 120px; margin: 0 auto 8px; padding: 8px 16px; border-radius: 30px; background: rgba(255, 255, 255, 0.2); color: #fff; font-size: 14px; }
.sf-option-head h6 { font-size: 24px; color: #fff; }
.sf-option-head > p { color: #fff; }
.sf-option-img { flex: 1; min-width: 0; text-align: center; }
.sf-option-img img { width: 100%; max-width: 760px; height: auto; display: inline-block; }

/* ── 화면⑤ 실습장비 구성 :: 사진 위 번호 마커(.pai-hotspot) + 호버/포커스 팝오버 (정면 1~5·8 / 상부 6·7·9~17)
   마커 좌표(--x/--y %)가 사진 기준이 되도록 .sf-layout-photo 에는 padding을 주지 않음 */
.sf-layout-hint { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 14px; color: var(--gray-500); }
.sf-layout-hint i { font-size: 16px; color: var(--main-color); }
.sf-layout { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; margin-top: 8rem; align-items: start; }
.sf-layout-col { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
/* 카드 왼쪽 위에 겹쳐 표시 — absolute라서 카드 높이·사진 가운데 정렬에는 영향 없음 */
.sf-layout-label { position: absolute; top: 24px; left: 24px; z-index: 1; display: inline-block; padding: 8px 16px; border-radius: 30px; background: var(--main-color); color: #fff; font-size: 14px; font-weight: 500; line-height: 1; white-space: nowrap; }
/* 두 카드는 같은 흰 배경·같은 높이(내부 3:2 고정). 사진 영역(.sf-layout-photo)은 사진 비율 그대로 두고 카드 안 가운데에 배치해
   마커 좌표가 어긋나지 않게 함 — 상부(1536×1024 = 3:2)는 가로 100%, 정면(1402×1122)은 높이에 맞춰 가로 83.3% */
.sf-layout-card { position: relative; display: flex; align-items: center; justify-content: center; width: 100%; box-sizing: border-box; padding: 32px; background: #fff; border-radius: 32px; }
.sf-layout-photo { position: relative; flex-shrink: 0; }
.sf-layout-photo--top { width: 100%; aspect-ratio: 1536 / 1024; }
.sf-layout-photo--front { width: calc(100% * (1402 / 1122) / 1.5); aspect-ratio: 1402 / 1122; }
.sf-layout-photo img { width: 100%; height: 100%; display: block; }

@media all and (max-width: 1280px) {
	.sf-point-list { grid-template-columns: repeat(3, 1fr); row-gap: 48px; }
	.sf-about-inner { flex-direction: column; }
	.sf-about-text { padding: 80px 0 48px; }
	/* 세로 배치일 땐 다크 패널을 좌우 전체 폭으로 깔고 사선은 제거 */
	.sf-about-panel { padding: 64px 0; }
	.sf-about-panel:before { left: -100vw; bottom: -200px; clip-path: none; }
	.sf-edu-top { flex-direction: column; align-items: stretch; }
	.sf-edu-visual { flex: none; }
	.sf-need-grid { grid-template-columns: 1fr; }
	.sf-layout { grid-template-columns: 1fr; }
	.sf-option { flex-direction: column; align-items: stretch; }
}
@media all and (max-width: 1024px) {
	.sf-intro { flex-direction: column; gap: 4rem; }
	.sf-intro-photo { flex: none; width: 100%; box-sizing: border-box; }
	.sf-effect-grid { grid-template-columns: 1fr; }
}
@media all and (max-width: 640px) {
	.sf-point-list { grid-template-columns: repeat(2, 1fr); }
	.sf-point-list > li { padding: 0 8px; }
	.sf-point-icon { width: 72px; height: 72px; }
	.sf-point-icon svg { width: 32px; height: 32px; }
	.sf-point-list h6 { font-size: 18px; }
	.sf-point-list p { font-size: 14px; }
	.sf-about-text h3,
	.sf-edu-tit { font-size: 26px; }
	.sf-about-text p,
	.sf-edu-text p { font-size: 16px; }
	.sf-about-panel { flex-direction: column; gap: 40px; }
	.sf-about-col + .sf-about-col { padding-left: 0; border-left: 0; padding-top: 40px; border-top: 1px solid rgba(255, 255, 255, .15); }
	.sf-edu-sub { font-size: 18px; }
	.sf-edu-visual { flex-direction: column; align-items: stretch; }
	.sf-edu-photo { flex: none; }
	.sf-license { flex-direction: column; }
	.sf-need-grid > li,
	.sf-effect-card,
	.sf-option { padding: 24px; }
	.sf-effect-tit { font-size: 22px; }
	.sf-perf-card { width: 220px; }
	.sf-perf-img { height: 120px; }
	.sf-perf-btn { width: 40px; height: 40px; font-size: 20px; }
	.sf-intro-size { position: static; margin-top: 16px; }
}

/* =============================================================================
   제품 상세페이지 :: ZERO KIT 스케일 제거장치 (product/zeroKit.html)
   영상 박스는 XR 페이지의 .xr-video(16:9) 재사용
   ============================================================================= */
.main-visual-video-bg.zeroKit::after { background: rgba(0, 56, 148, 0.4); }

/* 화면① 제품 사진(좌) + 작동 단계 3가지(우) */
.zk-intro { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: 8rem; align-items: center; margin-top: 8rem; }
.zk-product { position: relative; padding: 48px; border-radius: 40px; background: radial-gradient(circle at 50% 40%, #fff, var(--main-rgb10) 75%); }
.zk-product img { width: 100%; max-width: 460px; height: auto; display: block; margin: 0 auto; }
.zk-ions { position: absolute; left: 32px; bottom: 40px; display: flex; flex-direction: column; gap: 10px; list-style: none; margin: 0; padding: 0; }
.zk-ions li { display: flex; align-items: center; justify-content: center; width: 64px; height: 64px; border-radius: 50%; background: radial-gradient(circle at 30% 30%, #fff, #cfdcef); box-shadow: 0 8px 20px rgba(0, 56, 148, .15); color: var(--color-dark); font-size: 17px; font-weight: 600; }
.zk-ions li:nth-child(2) { margin-left: 40px; }
.zk-ions sup, .zk-ions sub { font-size: .6em; }

/* 설치 사진 슬라이더 (제품 사진 우측) */
.zk-gallery-swiper { position: relative; width: 100%; border-radius: 40px; overflow: hidden; }
.zk-gallery-swiper .swiper-slide { position: relative; aspect-ratio: 4 / 3; }
.zk-gallery-swiper .swiper-slide span { position: absolute; z-index: 2; right: 40px; bottom: 40px; display: inline-block; padding: 8px 16px; color: #fff; font-size: 14px; font-weight: 500; background: rgba(255, 255, 255, 0.25); backdrop-filter: blur(8px); border-radius: 40px; }
.zk-gallery-swiper .swiper-slide img { width: 100%; height: 100%; display: block; object-fit: cover; }
.zk-gallery-pagination.swiper-pagination-bullets { bottom: 40px; }
.zk-gallery-pagination .swiper-pagination-bullet { width: 10px; height: 10px; margin: 0 5px !important; background: #fff; opacity: .6; transition: width .3s, opacity .3s; }
.zk-gallery-pagination .swiper-pagination-bullet-active { width: 28px; border-radius: 5px; opacity: 1; }

.zk-steps { display: flex; flex-direction: column; gap: 24px; list-style: none; margin: 8rem 0 0; padding: 0; }
.zk-steps > li { position: relative; display: grid; grid-template-columns: 520px minmax(0, 1fr); gap: 40px; align-items: center; padding: 40px; }
/* 카드 배경 — 스크롤 진입 시 scale(0.8)→1로 커지며 나타남 (pintel PREVAX AI 카드와 동일한 연출) */
.zk-steps > li::before { content: ""; position: absolute; inset: 0; background: #fff; border: 1px solid var(--border-color); border-radius: 40px; opacity: 0; transform: scale(0.8); transition: var(--transition-custom2); }
.zk-steps > li.animated::before { opacity: 1; transform: scale(1); }
.zk-steps > li > * { position: relative; }
.zk-step-text h3 { display: flex; align-items: center; gap: 12px; font-size: 22px; font-weight: 700; color: var(--color-dark); word-break: keep-all; }
.zk-step-num { flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: var(--main-color); color: #fff; font-size: 15px; font-weight: 500; }
.zk-step-text p { margin-top: 16px; font-size: 18px; line-height: 1.6; color: var(--gray-700); }
.zk-step-img { padding: 24px; background: var(--main-rgb10); border-radius: 24px; }
.zk-step-img img { width: 100%; height: auto; display: block; border-radius: 12px; }

/* 화면② 작동 원리 계통도 + 주요 효과 */
.zk-flow { margin-top: 6rem; padding: 40px; background: #fff; border-radius: 40px; }
.zk-flow img { width: 100%; max-width: 1100px; height: auto; display: block; margin: 0 auto; }
.zk-sub-tit { margin-top: 10rem; font-size: 24px; font-weight: 700; color: var(--color-dark); text-align: center; }
.zk-effects { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; list-style: none; margin: 40px 0 0; padding: 0; }
.zk-effects > li { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 40px 24px; background: #fff; border-radius: 32px; }
.zk-effect-icon { display: flex; align-items: center; justify-content: center; width: 88px; height: 88px; margin-bottom: 24px; border-radius: 50%; background: radial-gradient(circle at 30% 30%, #fff, var(--main-rgb20)); color: var(--main-color); }
.zk-effect-icon svg { width: 40px; height: 40px; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; }
.zk-effects h6 { font-size: 20px; color: var(--color-dark); }
.zk-effects p { margin-top: 16px; color: var(--gray-700); }

/* 화면③ 주요기능 — 고정 배경 + 네이비 오버레이, 카드 6개 + 중앙 제품 배너를 세로 연결선으로 연결 */
.zk-feat { position: relative; background: url(/assets/images/product/zeroKit/bg_zeroKit.jpg) center / cover no-repeat fixed; }
.zk-feat:before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(12, 38, 77, 0.92) 0%, rgba(0, 56, 148, 0.4) 100%); }
.zk-feat > .area-box { position: relative; z-index: 1; }

.zk-feat-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; list-style: none; margin: 0; padding: 0; }
.zk-feat-row--top { margin-top: 10rem; }
.zk-feat-card { position: relative; display: flex; align-items: flex-start; gap: 24px; padding: 56px 24px 24px; background: rgba(255, 255, 255, 0.15); border-radius: 40px; backdrop-filter: blur(8px); }
/* 연결선 + 끝점 — 상단 카드는 아래로, 하단 카드는 위로 배너까지 이어짐 */
.zk-feat-row--top .zk-feat-card:after,
.zk-feat-row--bottom .zk-feat-card:after { content: ""; position: absolute; left: 50%; width: 2px; height: 100px; background: rgba(127, 208, 255, 0.85); transform: translateX(-50%); }
.zk-feat-row--top .zk-feat-card:after { top: 100%; }
.zk-feat-row--bottom .zk-feat-card:after { bottom: 100%; }
/* 끝점은 상단 카드 아래에만 — 하단 카드는 선이 번호 원으로 바로 이어짐 */
.zk-feat-row--top .zk-feat-card:before { content: ""; position: absolute; z-index: 1; left: 50%; bottom: -8px; width: 20px; height: 20px; border: 4px solid #7fd0ff; border-radius: 50%; background: #fff; transform: translateX(-50%); box-sizing: border-box; }

.zk-feat-num { position: absolute; top: -28px; left: 50%; display: flex; align-items: center; justify-content: center; width: 56px; height: 56px; border: 4px solid #fff; border-radius: 50%; box-sizing: border-box; background: var(--main-color2); color: #fff; font-size: 20px; font-weight: 600; transform: translateX(-50%); box-shadow: 0 8px 20px rgba(0, 20, 60, 0.25); z-index: 1; }
.zk-feat-row--top li:nth-child(2) .zk-feat-num,
.zk-feat-row--bottom li:nth-child(2) .zk-feat-num { background: #1677e5; }
.zk-feat-row--top li:nth-child(3) .zk-feat-num,
.zk-feat-row--bottom li:nth-child(1) .zk-feat-num { background: #22b0f0; }

.zk-feat-media { flex-shrink: 0; display: flex; align-items: center; justify-content: center; height: 140px; }
.zk-feat-media svg { width: 60px; height: 60px; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; }
.zk-feat-media.is-photo img { width: 100%; height: 100%; display: block; object-fit: cover; }
/* 투명 배경 아이콘 이미지 — 잘리지 않게 여백을 두고 contain */
.zk-feat-media.is-icon { padding: 16px; box-sizing: border-box; }
.zk-feat-media.is-icon img { width: 100%; height: 100%; display: block; object-fit: contain; }
.zk-feat-text { min-width: 0; }
.zk-feat-text h3 { font-size: 22px; font-weight: 500; line-height: 1.3; color: #fff; word-break: keep-all; }
.zk-feat-text p { margin-top: 16px; font-size: 16px; line-height: 1.6; color: var(--gray-200); word-break: keep-all; font-weight: 400; }

/* 중앙 제품 배너 — 반투명 유리 패널, 제품 사진이 위아래로 넘쳐 보이게 */
.zk-feat-banner { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; justify-content: space-between; gap: 40px; margin: 100px auto; padding: 40px; background: rgba(255, 255, 255, 0.24); border-radius: 40px; backdrop-filter: blur(15px); }
.zk-feat-banner-img { position: absolute; left: 50%; transform: translateX(-50%); z-index: 2; }
.zk-feat-banner-name span { display: block; font-size: 18px; font-weight: 600; color: var(--main-color2); }
.zk-feat-banner-name strong { display: block; margin-top: 8px; font-size: 64px; font-weight: 800; line-height: 1.05; color: var(--main-color2); }
.zk-feat-banner-name strong em { font-style: normal; font-weight: 800; color: #fff; }
.zk-feat-banner-name { margin-right: 100px; text-align: center; }
.zk-feat-banner-name p { margin-top: 8px; font-size: 24px; font-weight: 600; color: var(--color-dark); }
.zk-feat-banner-img img { display: block; width: auto; height: 360px; margin: -80px 0; filter: drop-shadow(0 20px 30px rgba(0, 20, 60, 0.3)); }
.zk-feat-banner-txt { grid-column: 3; font-size: 22px; font-weight: 500; line-height: 1.6; color: #fff; word-break: keep-all; text-align: center; margin-left: 100px; }
.zk-feat-banner-txt strong { font-size: 26px; font-weight: 600; color: var(--color-dark); }

/* 등장 연출 (pintel PREVAX .operation-monitor-box 방식)
   — 중앙 배너가 먼저 떠오르고, 카드들은 배너 뒤(중앙)에 겹쳐 숨어 있다가 0.2초 간격으로 각자 자리로 펼쳐짐 */
.zk-feat-stage .zk-feat-banner { position: relative; z-index: 2; opacity: 0; transform: translate3d(0, 30px, 0); transition: var(--transition-custom2); }
.zk-feat-stage .zk-feat-card { z-index: 1; opacity: 0; transition: var(--transition-custom2); }
.zk-feat-stage .zk-feat-row--top .zk-feat-card { transform: translate3d(0, 280px, 0) scale(0.7); }
.zk-feat-stage .zk-feat-row--bottom .zk-feat-card { transform: translate3d(0, -280px, 0) scale(0.7); }
.zk-feat-stage .zk-feat-row--top .zk-feat-card:nth-child(1) { transform: translate3d(calc(100% + 32px), 280px, 0) scale(0.7); }
.zk-feat-stage .zk-feat-row--top .zk-feat-card:nth-child(3) { transform: translate3d(calc(-100% - 32px), 280px, 0) scale(0.7); }
.zk-feat-stage .zk-feat-row--bottom .zk-feat-card:nth-child(1) { transform: translate3d(calc(100% + 32px), -280px, 0) scale(0.7); }
.zk-feat-stage .zk-feat-row--bottom .zk-feat-card:nth-child(3) { transform: translate3d(calc(-100% - 32px), -280px, 0) scale(0.7); }
.zk-feat-stage .zk-feat-row--top .zk-feat-card:nth-child(1) { transition-delay: 0.4s; }
.zk-feat-stage .zk-feat-row--top .zk-feat-card:nth-child(2) { transition-delay: 0.6s; }
.zk-feat-stage .zk-feat-row--top .zk-feat-card:nth-child(3) { transition-delay: 0.8s; }
.zk-feat-stage .zk-feat-row--bottom .zk-feat-card:nth-child(1) { transition-delay: 1.0s; }
.zk-feat-stage .zk-feat-row--bottom .zk-feat-card:nth-child(2) { transition-delay: 1.2s; }
.zk-feat-stage .zk-feat-row--bottom .zk-feat-card:nth-child(3) { transition-delay: 1.4s; }
.zk-feat-stage.animated .zk-feat-banner,
.zk-feat-stage.animated .zk-feat-row .zk-feat-card:nth-child(n) { opacity: 1; transform: none; }

/* 화면③ 제품 영상 — 검은 배경 전체 폭, 흰색 굵은 영문 제목(좌측), 모서리 없는 16:9 영상 */
.zk-video-sec { padding: 115px var(--area-padding); background: #000; }
.zk-video-inner { max-width: 1278px; margin: 0 auto; }
.zk-video-tit { margin: 0 0 55px; color: #fff; font-size: 40px; font-weight: 800; line-height: 1.375; letter-spacing: -0.005em; text-align: left; }
.zk-video-wrap { position: relative; aspect-ratio: 16 / 9; background: #000; }
.zk-video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* 화면④ 다른 제품 보기 — lsinjection.com "다른 제품 보기" 영역 수치 그대로
   (섹션 115px · 콘텐츠 1278px · 제목 36px/800 · 버튼 56px 남색 · 카드 테두리 1px #ccc·16px · 카드 안쪽 40px · 카드 사이 30px) */
.zk-other { padding: 20rem 0 20rem var(--area-padding); background: #fff; }
.zk-other-inner { max-width: 100%; margin: 0 auto; }
.zk-other-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 50px; }
.zk-other-head h2 { font-size: 36px; font-weight: 600; line-height: 1; color: #000; }
/* 이전/다음 버튼 — index.html OUR BUSINESS 영역(.partner-swiper-control button)과 같은 스타일: 44px 원형 테두리, 마우스 올리면 메인컬러 */
.zk-other-nav { display: flex; gap: 16px; }
.zk-other-nav button { flex-shrink: 0; display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 0; border: 1px solid rgba(0, 0, 0, 0.15); border-radius: 50%; background: transparent; color: var(--color-dark); font-size: 18px; cursor: pointer; transition: var(--transition-custom); }
.zk-other-nav button:hover { background: var(--main-color); color: #fff; border-color: var(--main-color); }
.zk-other-nav button.swiper-button-disabled { opacity: 0.35; pointer-events: none; }
.zk-other-swiper { overflow: hidden; }
.zk-other-swiper .swiper-slide { width: 400px; height: auto; box-sizing: border-box; border: 1px solid var(--border-color); border-radius: 24px; background: #fff; transition: border-color .3s; }
/* 등장 연출 — 카드가 오른쪽에서 하나씩 순서대로 들어옴 (순서별 지연 --zk-delay는 app.js에서 지정) */
.zk-other-swiper[data-scroll] .swiper-slide { opacity: 0; transform: translate3d(120px, 0, 0); transition: border-color .3s, opacity .8s ease var(--zk-delay, 0s), transform .8s cubic-bezier(.22, .61, .36, 1) var(--zk-delay, 0s); }
.zk-other-swiper[data-scroll].animated .swiper-slide { opacity: 1; transform: none; }
.zk-other-swiper .swiper-slide:hover { border-color: var(--main-color); }
.zk-other-swiper a { display: flex; flex-direction: column; height: 100%; padding: 40px; box-sizing: border-box; color: #000; text-decoration: none; }
.zk-other-tit { display: flex; flex-direction: column-reverse; gap: 12px; margin: 0 0 16px; font-size: 28px; font-weight: 600; line-height: 1; color: var(--color-dark); }
.zk-other-tit .small { display: inline-block; font-size: 16px; font-weight: 400; color: var(--gray-400); }
.zk-other-img { display: flex; align-items: center; justify-content: center; height: 280px; margin-bottom: 16px; }
.zk-other-img img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; transition: transform .4s; }
.zk-other-swiper .swiper-slide:hover .zk-other-img img { transform: scale(1.05); }
.zk-other-foot { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.zk-other-tag { display: flex; gap: 8px; list-style: none; margin: 0; padding: 0; }
.zk-other-tag li { display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; border: 1px solid #ccc; border-radius: 50%; color: #0a1e5a; }
/* 아이콘 툴팁 — 푸터 Share 버튼(.quick-btn-wrap[data-tooltip])과 같은 스타일 */
.zk-other-tag li { position: relative; }
.zk-other-tag li[data-tooltip]::after { content: attr(data-tooltip); position: absolute; bottom: calc(100% + 0.8rem); left: 50%; transform: translateX(-50%) translateY(4px); background: rgba(18,18,18,0.9); color: #fff; font-size: 1.2rem; font-weight: 500; letter-spacing: -0.01em; white-space: nowrap; padding: 0.5rem 1.2rem; border-radius: 0.6rem; opacity: 0; visibility: hidden; transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease; pointer-events: none; backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.1); z-index: 10; }
.zk-other-tag li[data-tooltip]:hover::after { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.zk-other-tag svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.zk-other-link { display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; border: 2px solid #0a1e5a; border-radius: 50%; color: #0a1e5a; transition: background .3s, color .3s; }
.zk-other-link svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.zk-other-swiper .swiper-slide:hover .zk-other-link { background: #0a1e5a; color: #fff; }

@media all and (max-width: 1280px) {
	.zk-intro { grid-template-columns: 1fr; gap: 5rem; }
	.zk-product { max-width: 640px; width: 100%; margin: 0 auto; box-sizing: border-box; }
	.zk-effects { grid-template-columns: repeat(2, 1fr); }
	/* 주요기능 — 1단 배치, 연결선 숨김, 배너 세로 정렬 (모바일·태블릿은 fixed 배경 미지원이 많아 scroll로) */
	.zk-feat { background-attachment: scroll; }
	.zk-feat-row { grid-template-columns: 1fr; gap: 56px; }
	.zk-feat-row--top { margin-top: 8rem; }
	.zk-feat-row--top .zk-feat-card:before, .zk-feat-row--top .zk-feat-card:after,
	.zk-feat-row--bottom .zk-feat-card:after { display: none; }
	.zk-feat-banner { grid-template-columns: 1fr; justify-items: center; gap: 24px; margin: 56px 0; padding: 40px 32px; text-align: center; }
	.zk-feat-banner-img { position: static; transform: none; }
	.zk-feat-banner-img img { height: 260px; margin: 0; }
	.zk-feat-banner-txt { grid-column: auto; justify-self: center; margin-left: 0; }
	.zk-feat-banner-name { margin-right: 0; }
	/* 1단 배치에서는 펼침 연출 대신 카드를 바로 노출 (배너만 페이드업) */
	.zk-feat-stage .zk-feat-row .zk-feat-card:nth-child(n) { opacity: 1; transform: none; transition: none; }
}
@media all and (max-width: 640px) {
	.zk-product { padding: 24px; border-radius: 24px; }
	.zk-ions { left: 16px; bottom: 16px; }
	.zk-ions li { width: 48px; height: 48px; font-size: 13px; }
	.zk-ions li:nth-child(2) { margin-left: 24px; }
	.zk-steps > li { grid-template-columns: 1fr; padding: 24px; }
	.zk-step-text h3 { font-size: 18px; }
	.zk-flow { padding: 16px; border-radius: 24px; overflow-x: auto; }
	.zk-flow img { min-width: 560px; }
	.zk-effects { gap: 12px; }
	.zk-effects > li { padding: 24px 12px; border-radius: 20px; }
	.zk-effect-icon { width: 64px; height: 64px; }
	.zk-effect-icon svg { width: 30px; height: 30px; }
	.zk-effects h6 { font-size: 17px; }
	.zk-effects p { font-size: 14px; }
	.zk-feat-card { flex-direction: column; align-items: stretch; padding: 48px 24px 28px; border-radius: 24px; }
	.zk-feat-media { width: 100%; height: 160px; }
	.zk-feat-text h3 { font-size: 19px; }
	.zk-feat-text p { font-size: 15px; }
	.zk-feat-banner { padding: 32px 20px; border-radius: 28px; }
	.zk-feat-banner-name strong { font-size: 44px; }
	.zk-feat-banner-name p { font-size: 19px; }
	.zk-feat-banner-img img { height: 200px; }
	.zk-feat-banner-txt { font-size: 17px; }
	.zk-feat-banner-txt strong { font-size: 20px; }
	.zk-video-sec { padding: 64px var(--area-padding); }
	.zk-video-tit { margin-bottom: 28px; font-size: 26px; }
	.zk-other { padding: 64px var(--area-padding); }
	.zk-other-head { margin-bottom: 28px; }
	.zk-other-head h2 { font-size: 26px; }
	.zk-other-swiper a { padding: 28px; }
	.zk-other-tit { margin-bottom: 24px; font-size: 24px; }
	.zk-other-img { height: 140px; margin-bottom: 24px; }
}

/* =============================================================================
   제품 상세페이지 :: 공냉식 냉각기 (product/chiller/airCooled.html)
   제품 소개(.zk-intro/.zk-product/.zk-gallery-swiper), 장점 카드(.zk-effects), 다른 제품 보기(.zk-other)는 제로키트 페이지 스타일 재사용
   ============================================================================= */
.ch-visual.main-visual-img-cover::after { 
	/* background: linear-gradient(to bottom, rgba(12, 38, 77, 0.4) 0%, rgba(0, 56, 148, 0.25) 100%);  */
	background: none;
}

/* 화면① 제품 영상 캐러셀 — liet.co.kr "WHY LI:ET" 영역과 같은 구성
   가운데 슬라이드만 선명(opacity 1)·원래 크기, 양옆 슬라이드는 흐리게(0.32)·영상 0.9배 / 문구는 가운데 슬라이드만 아래에서 페이드인
   --ch-why-w : 슬라이드 폭 (화살표 세로 위치 = 영상(16:9) 높이의 절반) */
.ch-why { --ch-why-w: clamp(335px, 34.7573vw + 204.66px, 872px); overflow: hidden; }
.ch-why > .area-box { padding-top: 0; padding-bottom: 0; }
.ch-why-stage { position: relative; margin-top: 8rem; }
.ch-why-swiper { overflow: visible; }
.ch-why-swiper .swiper-wrapper { transition-timing-function: cubic-bezier(.22, .61, .36, 1); }
.ch-why-slide { width: var(--ch-why-w); height: auto; opacity: .32; transition: opacity .9s; }
.ch-why-media { width: 100%; aspect-ratio: 16 / 9; margin: 0; overflow: hidden; border-radius: 24px; background: var(--main-rgb10); transform: scale(.9); transform-origin: 50%; transition: transform .9s cubic-bezier(.22, .61, .36, 1); will-change: transform; }
.ch-why-media video { width: 100%; height: 100%; display: block; object-fit: cover; }
.ch-why-copy { min-height: 130px; margin-top: 40px; text-align: center; opacity: 0; transform: translateY(12px); transition: opacity .7s .15s, transform .7s .15s; }
.ch-why-copy h3 { font-size: 24px; font-weight: 600; color: var(--color-dark); letter-spacing: -0.02em; word-break: keep-all; }
.ch-why-badge { display: inline-block; margin-bottom: 12px; padding: 6px 16px; border-radius: 40px; background: var(--main-rgb10); color: var(--main-color); font-size: 14px; font-weight: 600; line-height: 1.4; }
.ch-why-copy p { max-width: 680px; margin: 16px auto 0; font-size: 17px; line-height: 1.55; color: var(--gray-700); word-break: keep-all; }
/* loop 이동 끝에 복제 슬라이드로 바꿔치기될 때 깜빡이지 않도록 복제본(duplicate-active)도 활성 모양으로 */
.ch-why-slide.swiper-slide-active, .ch-why-slide.swiper-slide-duplicate-active { opacity: 1; }
.ch-why-slide.swiper-slide-active .ch-why-media, .ch-why-slide.swiper-slide-duplicate-active .ch-why-media { transform: scale(1); }
.ch-why-slide.swiper-slide-active .ch-why-copy, .ch-why-slide.swiper-slide-duplicate-active .ch-why-copy { opacity: 1; transform: translateY(0); }
.ch-why-nav { position: absolute; z-index: 3; top: calc(var(--ch-why-w) * 0.28125); display: grid; place-items: center; width: clamp(48px, 2.0712vw + 40.233px, 80px); height: clamp(48px, 2.0712vw + 40.233px, 80px); padding: 0; border: 1px solid var(--main-color); border-radius: 50%; background: rgba(255, 255, 255, 0.95); color: var(--main-color); cursor: pointer; box-shadow: 0 8px 20px rgba(0, 56, 148, 0.1); transform: translateY(-50%); transition: color .35s, background-color .35s, border-color .35s, transform .35s; }
.ch-why-nav:hover, .ch-why-nav:focus-visible { background: var(--main-color); color: #fff; transform: translateY(-50%) scale(1.04); }
.ch-why-nav svg { width: clamp(20px, .2589vw + 19.0291px, 24px); height: clamp(20px, .2589vw + 19.0291px, 24px); fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.ch-why-prev { left: calc(50% - clamp(190px, 27.1845vw + 88.0583px, 610px)); }
.ch-why-next { right: calc(50% - clamp(190px, 27.1845vw + 88.0583px, 610px)); }
/* 하단 카운터(01 / 03) + 진행 바 */
.ch-why-footer { width: 100%; max-width: 1360px; margin: 24px auto 0; padding: 0 20px; box-sizing: border-box; }
.ch-why-counter { margin: 0 0 16px; font-size: 14px; color: var(--main-color); }
.ch-why-progress { width: 100%; height: 4px; border-radius: 2px; background: var(--gray-200, #e5e7eb); overflow: hidden; }
.ch-why-progress span { display: block; width: 100%; height: 100%; border-radius: inherit; background: var(--main-color); transform-origin: 0; transform: scaleX(.3333); transition: transform .9s; }

.ch-points { margin-top: 10rem; }
.ch-points > li { border: 1px solid var(--border-color); }

/* 화면② 주요 특징 — 고정 배경 + 네이비 오버레이, 제품 사진(좌) + 반투명 카드 목록(우) */
.ch-feat { position: relative; background: url(/assets/images/product/chiller/bg_airCooled.jpg) center / cover no-repeat fixed; }
.ch-feat:before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(12, 38, 77, 0.92) 0%, rgba(0, 56, 148, 0.6) 100%); }
.ch-feat > .area-box { position: relative; z-index: 1; }
.ch-feat-wrap { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 8rem; align-items: stretch; margin-top: 8rem; }
/* 제품 사진 슬라이더 — 반투명 박스(특징 카드와 같은 톤), 박스 높이는 우측 특징 목록에 맞춤 */
.ch-feat-img { display: flex; min-width: 0; }
.ch-feat-swiper { width: 100%; background: rgba(255, 255, 255, 0.15); border-radius: 40px; backdrop-filter: blur(8px); }
.ch-feat-swiper .swiper-slide { display: flex; align-items: center; justify-content: center; height: auto; padding: 48px 40px 72px; box-sizing: border-box; }
.ch-feat-swiper .swiper-slide img { width: auto; max-width: 520px; height: 500px; display: block; filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.35)); }
.ch-feat-pagination.swiper-pagination-bullets { bottom: 32px; }
.ch-feat-pagination .swiper-pagination-bullet { width: 10px; height: 10px; margin: 0 5px !important; background: #fff; opacity: .5; transition: width .3s, opacity .3s; }
.ch-feat-pagination .swiper-pagination-bullet-active { width: 28px; border-radius: 5px; opacity: 1; }
.ch-feat-list { display: flex; flex-direction: column; gap: 20px; list-style: none; margin: 0; padding: 0; }
.ch-feat-list > li { display: flex; align-items: center; gap: 32px; padding: 32px 40px; background: rgba(255, 255, 255, 0.15); border-radius: 40px; backdrop-filter: blur(8px); }
.ch-feat-icon { flex-shrink: 0; display: flex; align-items: center; justify-content: center; width: 80px; height: 80px; border-radius: 50%; background: radial-gradient(circle at 30% 30%, #fff, var(--main-rgb20)); color: var(--main-color); }
.ch-feat-icon svg { width: 36px; height: 36px; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; }
.ch-feat-text h3 { font-size: 22px; font-weight: 500; color: #fff; word-break: keep-all; }
.ch-feat-text p { margin-top: 12px; font-size: 16px; line-height: 1.6; color: var(--gray-200); word-break: keep-all; }

/* 화면③ 표준사양 표 — 좁은 화면에서는 가로 스크롤 */
.ch-spec { margin-top: 8rem; }
/* 일체형 / 분리형 탭 — 알약 모양 토글, 네이비 배경(.ch-spec-indicator)이 선택한 탭 아래로 미끄러져 이동 (위치·폭은 app.js에서 지정) */
.ch-spec-tabs { position: relative; display: flex; justify-content: center; gap: 8px; width: fit-content; margin: 0 auto 40px; padding: 6px; border-radius: 40px; background: var(--main-rgb10); }
.ch-spec-tab { position: relative; z-index: 1; padding: 12px 32px; border: 0; border-radius: 40px; background: transparent; color: var(--gray-700); font-size: 17px; font-weight: 600; cursor: pointer; transition: color .4s; }
.ch-spec-tab:hover { color: var(--main-color); }
.ch-spec-tab.is-active { color: #fff; }
.ch-spec-indicator { position: absolute; z-index: 0; top: 6px; bottom: 6px; left: 6px; width: 0; border-radius: 40px; background: var(--main-color2); box-shadow: 0 6px 16px rgba(12, 38, 77, 0.25); transition: left .45s cubic-bezier(.22, .61, .36, 1), width .45s cubic-bezier(.22, .61, .36, 1); }
.ch-spec-panel { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.ch-spec-panel:not([hidden]) { animation: chSpecFade .5s ease; }
@keyframes chSpecFade { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.ch-spec-table { width: 100%; min-width: 1100px; border-collapse: separate; border-spacing: 0; text-align: center; }
.ch-spec-table caption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.ch-spec-table thead th { padding: 20px 12px; background: var(--main-color2); color: #fff; font-size: 16px; font-weight: 500; line-height: 1.4; vertical-align: middle; word-break: keep-all; }
.ch-spec-table thead th span { font-size: 14px; color: rgba(255, 255, 255, 0.7); }
.ch-spec-table thead th:first-child { border-radius: 24px 0 0 0; }
.ch-spec-table thead th:last-child { border-radius: 0 24px 0 0; }
.ch-spec-table tbody th, .ch-spec-table tbody td { padding: 18px 12px; border-bottom: 1px solid var(--border-color); font-size: 16px; color: var(--gray-700); white-space: nowrap; }
.ch-spec-table tbody th { font-weight: 700; color: var(--main-color2); }
.ch-spec-table tbody tr:nth-child(even) > * { background: #f7f9fc; }
.ch-spec-table tbody tr:hover > * { background: var(--main-rgb10); }

/* ── 수냉식 냉각기 (product/chiller/waterCooled.html) 전용 — 나머지는 공냉식 .ch-* 스타일 재사용 ── */
/* 화면① 제품 사진(배경색 #eef2f8 포함 사진이라 카드 배경을 같은 색으로) + 설명·체크 목록 */
.wc-intro { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.wc-product { aspect-ratio: 16 / 9; padding: 0; overflow: hidden; background: #eef2f8; }
.wc-product video { width: 100%; height: 100%; display: block; object-fit: cover; }
.wc-intro-label { display: inline-block; padding: 6px 16px; border-radius: 40px; background: var(--main-rgb10); color: var(--main-color); font-size: 14px; font-weight: 600; }
.wc-intro-text h3 { margin-top: 20px; font-size: 36px; font-weight: 700; line-height: 1.35; letter-spacing: -0.03em; color: var(--color-dark); word-break: keep-all; }
.wc-intro-text > p { margin-top: 24px; font-size: 18px; line-height: 1.7; color: var(--gray-700); word-break: keep-all; }
.wc-intro-text .check-list { margin-top: 40px; }
/* 화면② 배경 사진 교체 (제품 사진 슬라이더는 공냉식 .ch-feat-swiper 재사용) */
.wc-feat { background-image: url(/assets/images/product/chiller/bg_waterCooled.jpg); }

/* ── 복합기(냉온 겸용) (product/chiller/combined.html) 전용 — 수냉식 .wc-* / 공냉식 .ch-* 스타일 재사용 ── */
/* 화면② 배경 사진 */
.cb-feat { background-image: url(/assets/images/product/chiller/bg_combined.jpg); }

/* ── 온도조절기 > 온수기 (product/temperatureController/waterHeater.html) 전용 — 냉각기 .ch-* / .wc-* 스타일 재사용 ── */
/* 화면① 제품 사진(투명 PNG, 세로형) — 제로키트 .zk-product 그라데이션 카드 안에 높이 제한 */
.th-product { display: flex; align-items: center; justify-content: center; }
.th-product img { width: auto; max-width: 100%; max-height: 480px; }
/* 화면② 배경 + 단일 제품 사진 */
.th-feat { background-image: url(/assets/images/product/temperatureController/bg_temperatureController_02.jpg); }
.th-feat-img { align-items: center; justify-content: center; }
.th-feat-img img { width: auto; max-width: 100%; max-height: 520px; display: block; filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.35)); }
/* 화면③ 표준사양 — 2줄 머리글(모타 그룹) + 세로 병합 셀 */
.th-spec-table { min-width: 760px; }
.th-spec-table thead tr + tr th { padding-top: 12px; border-radius: 0 !important; }
.th-spec-table thead .th-spec-group { padding-bottom: 12px; border-bottom: 1px solid rgba(255, 255, 255, 0.2); }
.th-spec-table tbody .th-spec-merge { vertical-align: middle; background: #fff !important; 
	/* border-left: 1px solid var(--border-color); border-right: 1px solid var(--border-color); */
	font-weight: 500; color: var(--color-dark); }
/* 화면④ 적용 분야 — 사진 카드 4열, 하단 네이비 라벨 (호버 시 사진 확대) */
.th-apps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 40px; list-style: none; margin: 0; padding: 0; }
.th-apps > li { position: relative; overflow: hidden; border-radius: 40px; background: var(--main-color2); box-shadow: 0 12px 32px rgba(12, 38, 77, 0.12); }
.th-app-img { margin: 0; aspect-ratio: 4 / 3; overflow: hidden; background-color: #000;}
.th-app-img img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .6s cubic-bezier(.22, .61, .36, 1); opacity: 0.8;}
.th-apps > li:hover .th-app-img img { transform: scale(1.06); }
.th-app-name { display: block; padding: 16px; background: var(--main-color2); color: #fff; font-size: 16px; font-weight: 500; text-align: center; word-break: keep-all; }

/* ── 특수제품 및 장비 > 증류수 발생기 (product/specialEquipment/distilledWater.html) 전용 — 온수기·냉각기 스타일 재사용 ── */
/* 제품 사진 카드는 온수기·온유기와 같은 그라데이션 카드 — 흰 배경 JPG는 multiply로 흰색을 카드 배경에 녹임 */
.dw-product img { mix-blend-mode: multiply; }
.dw-feat { background-image: url(/assets/images/business/bg_product02.jpg); }
.dw-feat--distilled { background-image: url(/assets/images/product/specialEquipment/bg_distilledWater.jpg); }
.dw-feat--treatment { background-image: url(/assets/images/product/specialEquipment/bg_waterTreatment.jpg); }

/* ── 배관설비분야 > 원료이송배관공사 (product/piping/materialTransfer.html) 전용 ── */
/* 배관설비분야 비주얼 오버레이 — 밝은 배관 사진 위 흰 글씨가 읽히도록 좌측(문구 쪽)을 진하게 하는 네이비 그라데이션 (공용 .ch-visual 오버레이는 꺼져 있어 별도 지정) */
.pp-visual.main-visual-img-cover::after { background: linear-gradient(90deg, rgba(12, 38, 77, 0.8) 0%, rgba(12, 38, 77, 0.5) 50%, rgba(0, 56, 148, 0.2) 100%); }
/* 비주얼 영상 오버레이 (제로키트와 같은 네이비톤) + 화면② 배경 */
.main-visual-video-bg.piping::after { background: rgba(0, 56, 148, 0.4); }
.mt-feat { background-image: url(/assets/images/product/piping/bg_materialTransfer.jpg); }
/* 화면① 사일로 사진 — 카드 꽉 채움 */
/* 화면①-2 Auto Fitting System 흐름도 — 공정 순서 칩 + 계통도(투명 PNG) 위 설비 라벨 + 범례 */
.mt-process { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 36px; list-style: none; margin: 6rem 0 0; padding: 0; }
.mt-process > li { position: relative; display: flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: 40px; background: #fff; color: var(--color-dark); font-size: 16px; font-weight: 600; box-shadow: 0 6px 16px rgba(0, 56, 148, 0.08); }
.mt-process > li span { color: var(--main-color); font-size: 13px; }
.mt-process > li + li::before { content: ""; position: absolute; left: -26px; top: 50%; width: 16px; height: 2px; background: var(--main-color); opacity: .5; }
.mt-process > li + li::after { content: ""; position: absolute; left: -15px; top: 52%; width: 6px; height: 6px; border-top: 2px solid var(--main-color); border-right: 2px solid var(--main-color); opacity: .5; transform: translateY(-50%) rotate(45deg); }
.mt-flow { margin-top: 40px; padding: 32px; }
.mt-diagram { position: relative; margin: 0 auto; container-type: inline-size; }
.mt-diagram img { width: 100%; max-width: none; height: auto; display: block; }
.mt-labels { list-style: none; margin: 0; padding: 0; }
.mt-labels > li { position: absolute; display: flex; align-items: center; gap: 0.4em; padding: 0.45em 0.9em 0.45em 0.45em; border-radius: 40px; background: var(--main-color2); color: #fff; font-size: clamp(9px, 1.05cqw, 15px); font-weight: 600; line-height: 1.2; white-space: nowrap; transform: translate(-50%, -50%); box-shadow: 0 4px 12px rgba(12, 38, 77, 0.3); z-index: 1; }
.mt-labels em { font-style: normal; font-weight: 400; opacity: .8; }
.mt-label-num { display: inline-flex; align-items: center; justify-content: center; width: 1.9em; height: 1.9em; border-radius: 50%; background: #fff; color: var(--main-color2); font-size: 0.8em; font-weight: 700; }
.mt-legend { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px 32px; margin-top: 32px; }
.mt-legend strong { font-size: 16px; font-weight: 700; color: var(--color-dark); }
.mt-legend ul { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 28px; list-style: none; margin: 0; padding: 0; }
.mt-legend li { display: flex; align-items: center; gap: 10px; font-size: 15px; color: var(--gray-700); }
.mt-line { display: inline-block; width: 32px; height: 4px; border-radius: 2px; }
.mt-line--main { background: #e8202a; }
.mt-line--sub { background: #1e5bd8; }
.mt-line--powder { background: #2aa84a; }
.mt-line--liquid { background: #f5a623; }
.mt-line--signal { height: 0; border-top: 3px dashed #f08a24; border-radius: 0; }
.mt-line--utility { background: #b9c0cc; }
.cp-line--signal { height: 0; border-top: 2px solid #4fd1e0; border-radius: 0; }
.mt-intro-img { padding: 0; overflow: hidden; aspect-ratio: 4 / 3; }
.mt-intro-img img { width: 100%; height: 100%; max-width: none; object-fit: cover; }
/* 화면① 시공 사진 슬라이더 — 13장이라 페이지 점 간격을 좁힘 */
.mt-gallery .zk-gallery-pagination .swiper-pagination-bullet { width: 8px; height: 8px; margin: 0 3px !important; }
.mt-gallery .zk-gallery-pagination .swiper-pagination-bullet-active { width: 20px; }
/* 화면② 사일로 사진 — 우측 목록 높이에 맞춰 꽉 채움 */
.mt-feat-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 8rem; }
.mt-feat-list > li { flex-direction: column; align-items: flex-start; gap: 24px; padding: 40px 32px; }
/* 화면③ 주변기기 — 흰 카드 4열 (사진 + 이름) */
.mt-equip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 40px; list-style: none; margin: 8rem 0 0; padding: 0 var(--area-padding); }
.mt-equip > li { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; padding: 32px 24px 28px; border: 1px solid var(--border-color); border-radius: 32px; background: #fff; transition: border-color .3s, box-shadow .3s, transform .3s; }
.mt-equip > li.animated:hover { border-color: var(--main-color); box-shadow: 0 16px 32px rgba(0, 56, 148, 0.1); transform: translateY(-6px); }
.mt-equip-img { width: auto; aspect-ratio: 1 / 1; margin: 0; display: flex; align-items: center; justify-content: center; }
.mt-equip-img img { width: auto; height: 300px; display: block; mix-blend-mode: multiply; }
.mt-equip-name { margin-top: 24px; font-size: 20px; font-weight: 600; color: var(--color-dark); text-align: center; word-break: keep-all; }
/* 냉각 배관공사 냉각탑 — 사진이 연회색 배경이라 이미지 영역을 같은 색 박스로 */
.cp-tower .mt-equip-img { width: 100%; overflow: hidden; border-radius: 40px; }
.cp-tower .mt-equip-img img { width: 100%; height: 100%; object-fit: cover; mix-blend-mode: normal; }
/* 냉각탑 섹션 — 고정 배경 + 네이비 오버레이(.ch-feat), 카드는 주요 특징 카드와 같은 반투명 박스 */
.cp-feat { background-image: url(/assets/images/product/piping/bg_coolingPiping.jpg); }
/* 에어배관공사 (product/piping/airPiping.html) — 시공 포인트 섹션 고정 배경 */
.ap-feat { background-image: url(/assets/images/product/piping/bg_airPiping.jpg); }
/* 펌프설비공사 (product/piping/pumpSystem.html) — 시공 포인트 섹션 고정 배경 */
.pu-feat { background-image: url(/assets/images/product/piping/bg_pumpSystem.jpg); }
.ap-system { margin-top: 8rem; padding: 40px; }
.ap-system img { max-width: 100%; }
.cp-feat .mt-equip > li { border-color: rgba(255, 255, 255, 0.2); background: rgba(255, 255, 255, 0.15); backdrop-filter: blur(8px); }
.cp-feat .mt-equip > li.animated:hover { border-color: rgba(255, 255, 255, 0.6); box-shadow: 0 16px 32px rgba(0, 0, 0, 0.2); }
.cp-feat .mt-equip-name { color: #fff; }
.dw-feat-swiper .swiper-slide img { border-radius: 24px; filter: none; }
/* 작동 원리 단계 라벨 (STEP 01) */
.dw-step { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 600; letter-spacing: 0.08em; color: #7fd0ff; }
/* 특징 및 장점 5종 — 5열 */
.dw-points { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.th-spec-table thead th {border-left: 1px solid rgba(255,255,255,0.2)}
.th-spec-table tbody td {border-left: 1px solid var(--border-color)}

/* 화면④ 적용 분야 8종(좌, 4열×2줄) + 시공사례 슬라이더(우) */
.area-sub-width {max-width: var(--area-sub-width); margin: 0 auto;}
.ch-apps-wrap { display: grid; grid-template-columns: 1fr; gap: 80px; align-items: stretch; margin-top: 8rem; }
.ch-apps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: 1fr; gap: 24px; list-style: none; margin: 0; padding: 0; }
.ch-apps > li { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 32px 16px; background: #fff; border-radius: 32px; transition: transform .3s, box-shadow .3s; }
.ch-apps > li.animated:hover { transform: translateY(-8px); box-shadow: 0 16px 32px rgba(0, 56, 148, 0.12); }
.ch-app-icon { display: flex; align-items: center; justify-content: center; width: 80px; height: 80px; margin-bottom: 24px; border-radius: 50%; background: var(--main-rgb10); color: var(--main-color); }
.ch-app-icon svg { width: 36px; height: 36px; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; }
.ch-apps h6 { font-size: 18px; font-weight: 600; color: var(--color-dark); word-break: keep-all; }
.ch-apps p { margin-top: 8px; font-size: 15px; color: var(--gray-700); }
/* 시공사례 보기 — 흰 카드 안에 제목·이전/다음 버튼, 사진 슬라이더(하단 캡션), 더보기 링크 */
.ch-case {min-height: 800px; display: flex; flex-direction: column; min-width: 0; padding: 40px; background: #fff; border-radius: 40px; box-sizing: border-box; }
.ch-case-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.ch-case-head h4 { font-size: 22px; font-weight: 700; color: var(--color-dark); }
.ch-case-nav { display: flex; gap: 8px; }
.ch-case-nav button { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 0; border: 1px solid var(--border-color); border-radius: 50%; background: #fff; color: var(--color-dark); font-size: 20px; cursor: pointer; transition: background .3s, border-color .3s, color .3s; }
.ch-case-nav button:hover { background: var(--main-color); border-color: var(--main-color); color: #fff; }
.ch-case-swiper { flex: 1; width: 100%; min-height: 320px; border-radius: 24px; overflow: hidden; }
.ch-case-swiper .swiper-slide { position: relative; height: auto; }
.ch-case-swiper .swiper-slide img { position: absolute; inset: 0; width: 100%; height: 100%; display: block; object-fit: cover; }
.ch-case-caption { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: 64px 28px 48px; background: linear-gradient(to top, rgba(12, 38, 77, 0.92) 0%, rgba(12, 38, 77, 0.7) 55%, rgba(12, 38, 77, 0) 100%); color: #fff; }
.ch-case-date { display: block; font-size: 13px; opacity: .8; }
.ch-case-caption strong { display: block; margin-top: 6px; font-size: 20px; font-weight: 600; }
.ch-case-caption p { margin-top: 4px; font-size: 15px; opacity: .85; }
.ch-case-pagination.swiper-pagination-bullets { left: 28px; bottom: 24px; width: auto; text-align: left; }
.ch-case-pagination .swiper-pagination-bullet { width: 8px; height: 8px; margin: 0 4px 0 0 !important; background: #fff; opacity: .5; transition: width .3s, opacity .3s; }
.ch-case-pagination .swiper-pagination-bullet-active { width: 24px; border-radius: 4px; opacity: 1; }
.ch-case-more { display: inline-flex; align-items: center; gap: 6px; align-self: flex-end; margin-top: 20px; font-size: 16px; font-weight: 600; color: var(--main-color); }
.ch-case-more i { transition: transform .3s; }
.ch-case-more:hover i { transform: translateX(4px); }
.ch-feat-img.th-feat-img {width: 100%; background: rgba(255, 255, 255, 0.15); border-radius: 40px; backdrop-filter: blur(8px);}

@media all and (max-width: 1280px) {
	.ch-feat { background-attachment: scroll; }
	.ch-feat-wrap { grid-template-columns: minmax(0, 1fr); gap: 5rem; }
	.ch-feat-swiper .swiper-slide img { max-width: 440px; }
	.wc-intro { grid-template-columns: minmax(0, 1fr); }
	.wc-product { max-width: 640px; }
	.th-product img { max-height: 380px; }
	.th-apps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.mt-equip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
	.mt-feat-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.dw-points { grid-template-columns: repeat(3, minmax(0, 1fr)); }
	.area-sub-width { padding: 0 var(--area-padding); }
	.ch-apps-wrap { grid-template-columns: minmax(0, 1fr); }
	.ch-case-swiper { flex: none; aspect-ratio: 4 / 3; min-height: 0; }
	.ch-case { min-height: 0; }
}
@media all and (max-width: 640px) {
	.ch-why-media { border-radius: 16px; }
	.ch-why-copy { min-height: 112px; margin-top: 26px; }
	.ch-why-copy h3 { font-size: 19px; }
	.ch-why-copy p { font-size: 14px; }
	.ch-why-prev { left: 20px; }
	.ch-why-next { right: 20px; }
	.ch-feat-list > li { flex-direction: column; align-items: flex-start; gap: 20px; padding: 28px 24px; border-radius: 24px; }
	.ch-feat-icon { width: 64px; height: 64px; }
	.ch-feat-icon svg { width: 30px; height: 30px; }
	.ch-feat-text h3 { font-size: 19px; }
	.ch-feat-text p { font-size: 15px; }
	.ch-spec-tabs { margin-bottom: 24px; }
	.ch-spec-tab { padding: 10px 20px; font-size: 15px; }
	.ch-spec-table thead th { padding: 16px 10px; font-size: 14px; }
	.ch-spec-table thead th span { font-size: 12px; }
	.ch-spec-table thead th:first-child { border-radius: 16px 0 0 0; }
	.ch-spec-table thead th:last-child { border-radius: 0 16px 0 0; }
	.ch-spec-table tbody th, .ch-spec-table tbody td { padding: 14px 10px; font-size: 14px; }
	.ch-apps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
	.th-apps { gap: 12px; }
	.mt-equip { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
	.mt-process { gap: 8px; }
	.mt-feat-list { grid-template-columns: minmax(0, 1fr); gap: 16px; }
	.mt-process > li { padding: 8px 14px; font-size: 14px; }
	.mt-process > li + li::before, .mt-process > li + li::after { display: none; }
	.mt-flow { padding: 16px; overflow-x: auto; }
	.ap-system { padding: 20px 16px; }
	.mt-diagram { width: 900px; }
	.cp-diagram { width: 1100px; }
	.mt-equip > li { padding: 20px 12px; border-radius: 20px; }
	.mt-equip-name { font-size: 15px; }
	.dw-points { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.th-apps > li { border-radius: 16px; }
	.th-app-name { padding: 14px 10px; font-size: 16px; }
	.ch-case { padding: 20px; border-radius: 24px; }
	.wc-intro-text h3 { font-size: 26px; }
	.wc-intro-text > p { font-size: 16px; }
	.ch-case-head h4 { font-size: 19px; }
	.ch-case-swiper { border-radius: 16px; }
	.ch-case-caption { padding: 48px 20px 40px; }
	.ch-case-caption strong { font-size: 17px; }
	.ch-case-pagination.swiper-pagination-bullets { left: 20px; bottom: 18px; }
	.ch-apps > li { padding: 24px 12px; border-radius: 20px; }
	.ch-app-icon { width: 64px; height: 64px; margin-bottom: 16px; }
	.ch-app-icon svg { width: 30px; height: 30px; }
	.ch-apps h6 { font-size: 16px; }
	.ch-apps p { font-size: 14px; }
}