/* ==============================================
   HERO (lifeHero)
   ============================================== */
.lifeHero { position: relative; width: 100%; min-height: 520px; background: var(--navy-dark) center/cover no-repeat; display: flex; align-items:center; overflow: hidden; padding: 80px 60px; border-radius: 16px; margin-bottom: 80px; }
.lifeHero .heroBg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.lifeHero .heroOverlay { position: absolute; inset: 0; background: linear-gradient(120deg, rgba(15,23,42,.88) 40%, rgba(15,23,42,.3) 100%); }
.lifeHero .heroInner { position: relative; z-index: 2; display: flex; flex-direction: column; gap: 18px; color: #fff; }
.lifeHero .heroLabel { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; border: 1.5px solid var(--c_base1); border-radius: 100px; width: fit-content; }
.lifeHero .heroLabel span { font-size: var(--fs16); font-weight: 700; color: var(--c_base1); }
.lifeHero h2 { font-size: var(--fs50); font-weight: 900; line-height: 1.2; color: #fff; }
.lifeHero h2 em { display: block; font-style: normal; color: var(--c_base1); }
.lifeHero .heroDesc { font-size: var(--fs16); line-height: 1.85; max-width: 580px; color: rgba(255,255,255,.85); }
.heroBadgeRow { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px; }
.heroBadge { padding: 5px 14px; border-radius: 100px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25); font-size: var(--fs16); font-weight: 600; color: #fff; backdrop-filter: blur(4px); }

/* ============================================================
   채널 수에 따른 맞춤형 솔루션
   ============================================================ */
.chSec .secHead { text-align: center; margin-bottom:40px; }
.chSec .secHead em { font-style: normal; }
.chSec .secHead h3 { font-size: var(--fs40); font-weight: 900; line-height: 1.2; }
.chSec .secHead p { font-size: var(--fs16); margin-top: 14px; }

/* 3열 카드 그리드 */
.chCards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* 개별 카드 */
.chCard { border: 1px solid var(--border1); border-radius: 16px; overflow: hidden; background: #fff; transition: all .3s; display: flex; flex-direction: column; }
.chCard:hover { border-color: var(--c_base3); box-shadow: 0 8px 32px rgba(29,72,146,.13); }
.chCard:hover .chNum .val { color: var(--c_base2); }
.chCard-head { padding: 24px 28px 0; text-align: center; }
.chCard-head .cType { font-size: var(--fs13); font-weight: 700; color: var(--c_base3); background: rgba(29,72,146,.08); display: inline-block; padding: 4px 14px; border-radius: 100px; margin-bottom: 6px; }
.chCard-head h4 { font-size: var(--fs22); font-weight: 800; }
.chCard-head .cSub { font-size: var(--fs13); margin-top: 4px; }
.chCard-thumb { width: 100%; height: 180px; object-fit: cover; margin-top: 18px; }
.chCard-body { padding: 24px 28px; flex: 1; display: flex; flex-direction: column; gap:20px; }

/* 추천 채널 수 */
.chNum { display: flex; flex-direction:column; margin-bottom: 12px; }
.chNum .label { font-size: var(--fs16); font-weight: 600; }
.chNum .val { font-size: var(--fs36); font-weight: 900; color: var(--c_base3); line-height: 1; transition: all .3s; }

/* 체크리스트 */
.chCheck { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.chCheck li { font-size: var(--fs16); display: flex; align-items: flex-start; gap: 8px; }
.chCheck li::before { content: ''; flex-shrink: 0; width: 18px; height: 18px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ccircle cx='10' cy='10' r='9' fill='%231D4892'/%3E%3Cpath d='M5.5 10.5l3 3 6-6' stroke='white' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat; margin-top: 2px; }

/* 주요 활용 */
.chUse { margin: auto 0 0px; }
.chUse .uLabel { font-size: var(--fs18); font-weight: 700; margin-bottom: 10px; }
.chUseIcons { display: flex; flex-wrap: wrap; gap: 12px; min-height:132px; }
.chUseItem { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.chUseItem .ico { width: 60px; height: 60px; border-radius: 10px; background: #f4f6fb; display: flex; align-items: center; justify-content: center; }
.chUseItem .ico img { width: 40px; height: 36px; object-fit: contain; }
.chUseItem span { font-size: var(--fs14); font-weight: 500; text-align: center; word-break: keep-all; max-width: 56px; line-height:1.4; margin-top:8px; }

/* 추천 구성 예시 박스 */
.chConfig { background: #f4f6fb; border-radius: 10px; padding: 14px 18px; display: flex; gap: 14px; align-items: flex-start; }
.chConfig .cfIco { flex-shrink: 0; width: 34px; height: 34px; }
.chConfig .cfIco img { width: 100%; height: 100%; object-fit: contain; }
.chConfig .cfTxt .cfLabel { font-size: var(--fs13); font-weight: 700; color: var(--c_base3); margin-bottom: 4px; }
.chConfig .cfTxt .cfVal { font-size: var(--fs16); font-weight: 800; }
.chConfig .cfTxt .cfDesc { font-size: var(--fs13); margin-top: 2px; }

/* ============================================================
   하단 5열 특징 리스트
   ============================================================ */
.chFeatures { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 40px; }
.chFeat { border: 1.5px solid var(--border1); border-radius: 14px; padding: 24px 20px; display: flex; flex-direction: column; gap: 10px; background: #fff; transition: all 0.3s; }
.chFeat:hover { border-color: var(--c_base3); background: #f0f5ff; }
.chFeat .fIco { width: 46px; height: 46px; border-radius: 12px; background: #f4f6fb; display: flex; align-items: center; justify-content: center; transition: all 0.3s; }
.chFeat:hover .fIco { background: var(--c_base3); }
.chFeat .fIco img { width: 26px; height: 26px; object-fit: contain; transition: all 0.3s; }
.chFeat:hover .fIco img { filter: brightness(10); }
.chFeat .fTit { font-size: var(--fs16); font-weight: 800; transition: all 0.3s; }
.chFeat:hover .fTit { color: var(--c_base3); }
.chFeat .fDesc { font-size: var(--fs14); line-height: 1.65; }

/* ============================================================
   AI 영상 검색 (vsearchSec)
   ============================================================ */
.vsearchSec { margin-top: 80px; }
.vsearchSec .secHead { text-align: center; margin-bottom: 40px; }
.vsearchSec .secHead h3 { font-size: var(--fs40); font-weight: 900; line-height: 1.25; }
.vsearchSec .secHead h3 em { font-style: normal; }
.vsearchSec .secHead p { font-size: var(--fs16); margin-top: 14px; }

/* 3단계 검색 프로세스 */
.vsSteps { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 20px; }
.vsStep { border: 1px solid var(--border1); border-radius: 16px; background: #fff; padding: 20px; transition: all .3s; }
.vsStep:hover { border-color: var(--c_base3); box-shadow: 0 8px 32px rgba(29,72,146,.13); }
.vsStep-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.vsStep-no { flex-shrink: 0; width: 32px; height: 32px; border-radius: 8px; background: var(--c_base3); color: #fff; font-size: var(--fs16); font-weight: 800; display: flex; align-items: center; justify-content: center; }
.vsStep-tit { font-size: var(--fs18); font-weight: 800; }
.vsStep-img { border-radius: 10px; background: #f4f6fb; overflow: hidden; aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center; max-height:300px;
    margin: 0 auto; }
.vsStep-img img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode:multiply;}
.vsArrow { display: flex; align-items: center; justify-content: center; color: var(--c_base2); }
.vsArrow svg { width: 28px; height: 28px; }

/* 하단 4단계 흐름 */
.vsFlow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: start; gap: 16px; margin-top: 40px; padding: 32px; background: #f4f6fb; border-radius: 16px; }
.vsFlow-item { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.vsFlow-step { font-size: var(--fs14); font-weight: 800; color: var(--c_base3); letter-spacing: .3px; margin-bottom: 2px; }
.vsFlow-ico { width: 64px; height: 64px; border-radius: 14px; background: #fff; border: 1.5px solid var(--border1); display: flex; align-items: center; justify-content: center; }
.vsFlow-ico img { width: 34px; height: 34px; object-fit: contain; }
.vsFlow-tit { font-size: var(--fs16); font-weight: 800; margin-top: 4px; }
.vsFlow-desc { font-size: var(--fs14); line-height: 1.6; color: #555; }
.vsFlow-arrow { display: flex; align-items: center; color: var(--c_base3); padding-top: 55px; }
.vsFlow-arrow svg { width:28px; height:28px; }

@media screen and (max-width: 1199px) {
  .vsearchSec { margin-top: 60px; }

 
}
@media screen and (max-width: 991px) { 
  .vsSteps { grid-template-columns: 1fr; gap: 16px; }
  .vsSteps .vsArrow { transform: rotate(90deg); margin: 0 auto; }

}

@media screen and (max-width: 768px) {
  .vsearchSec .secHead { margin-bottom: 24px; }
 
  .vsFlow-desc br { display: none; }
   .vsFlow { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; }
  .vsFlow .vsFlow-arrow { display: none; }
}
@media screen and (max-width: 500px) { 
    .vsFlow { grid-template-columns: 1fr; padding: 24px; }

}
/* ==============================================
   반응형 1199
   ============================================== */
@media screen and (max-width: 1199px) {
   	
  .lifeHero { min-height: 440px; padding: 60px 40px; margin-bottom: 60px; }
  .lifeHero h2 { font-size: var(--fs40); }
  .chCards { gap: 16px; }
  .chCards { grid-template-columns: 1fr; }
  .chCard-body {display: grid;
    grid-template-columns: repeat(2, 1fr);}
  .chConfig {grid-column:1/3;}
  .chUse {margin:0;}
  .chCard-head h4 { font-size: var(--fs20); }
  .chNum .val { font-size: var(--fs30); }
  .chFeatures { grid-template-columns: repeat(3, 1fr); }
}

/* ==============================================
   반응형 768
   ============================================== */
@media screen and (max-width: 768px) {
  .lifeHero { min-height: 380px; padding: 40px 24px; border-radius: 12px; margin-bottom: 48px; }
  .lifeHero h2 { font-size: var(--fs28); }
  .lifeHero .heroDesc br { display: none; }
  .heroBadge { padding: 4px 12px; }
  
  .chCard-thumb { height: 200px; }
  .chFeatures { grid-template-columns: repeat(2, 1fr); }
  .chFeat:last-child { grid-column: span 2; }
 
	.chSec .secHead {margin-bottom:20px;}
	.chCard-body {grid-template-columns: 1fr; gap:0;}
	.chConfig {grid-column:auto;}
	.chUse {margin:16px 0;}
}

@media screen and (max-width: 500px) {
  .ai-life .pageTabsInner { flex-direction: column; }
  .ai-life .pageTabsInner a { padding: 4px 12px; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: .3; }
}

/* ============================================================
   왜 AI 안전 솔루션이 필요할까요?
   ============================================================ */
.whySec { margin-top:80px;}
.whySec .secHead { text-align: center; margin-bottom: 60px; }
.whySec .secHead h3 { font-size: var(--fs40); font-weight: 900; line-height: 1.3; }
.whySec .secHead h3 em { font-style: normal; color: var(--c_base2); }
.whySec .secHead p { font-size: var(--fs18); margin-top: 14px; }
 
/* 비교 레이아웃 */
.whyCompare { display: grid; grid-template-columns: 1fr 60px 1fr; gap: 0; align-items: center; }
 
/* 공통 패널 */
.whyPanel { border-radius: 16px; overflow: hidden; }
 
/* 헤더 */
.whyPanel-hd { padding: 20px 28px; text-align: center; }
.whyPanel-hd h4 { font-size: var(--fs20); font-weight: 800; }
 
/* 기존 방식 */
.whyPanel.before { border: 1.5px solid #e0e0e0; background: #fff; }
.whyPanel.before .whyPanel-hd { background: #f2f2f2; }
.whyPanel.before .whyPanel-hd h4 { color: #444; }
 
/* AI 적용 후 */
.whyPanel.after { border: 2px solid var(--c_base3); background: #fff; box-shadow: 0 8px 40px rgba(29,72,146,.12); }
.whyPanel.after .whyPanel-hd { background: var(--c_base3); }
.whyPanel.after .whyPanel-hd h4 { color: #fff; }
 
/* 아이템 목록 */
.whyList { padding: 12px 0; }
.whyItem { display: flex; align-items: center; gap: 18px; padding: 18px 28px; border-bottom: 1px solid #f0f0f0; }
.whyItem:last-child { border-bottom: none; }
 
/* 아이콘 원 */
.whyItem .wIco { flex-shrink: 0; width: 80px; height: 80px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.whyPanel.before .whyItem .wIco { background: #f0f0f0; }
.whyPanel.after .whyItem .wIco { background: rgba(29,72,146,.1); }
 
.whyItem .wIco img { width: 45px; height: 45px; object-fit: contain; }
.whyItem .wIco.small img {width:32px; height:32px;}
.whyItem .wTxt { display: flex; flex-direction: column; gap: 4px; }
.whyItem .wTit { font-size: var(--fs18); font-weight: 800; line-height: 1.2; }
.whyPanel.before .whyItem .wTit { color: var(--c_base4); }
.whyPanel.after .whyItem .wTit { color: var(--c_base3); }
.whyItem .wDesc { font-size: var(--fs14); line-height: 1.5; }
 
/* 가운데 화살표 */
.whyArrow { display: flex; align-items: center; justify-content: center; }
.whyArrow svg { width: 44px; height: 44px; }
 
/* ============================================================
   반응형 1199
   ============================================================ */
@media screen and (max-width: 1199px) {
  .whyItem { padding: 16px 22px; gap: 14px; }
  .whyItem .wIco { width: 46px; height: 46px; }
  .whyItem .wIco img { width: 24px; height: 24px; }
 .whySec { margin-top:60px;}
}
 
/* ============================================================
   반응형 768
   ============================================================ */
@media screen and (max-width: 768px) {
  .whySec { margin-top:50px;}	
  .whySec .secHead { margin-bottom: 30px; }
  .whyCompare { grid-template-columns: 1fr; gap: 0; }
  .whyArrow { padding: 16px 0; transform: rotate(90deg); }
  .whyPanel { border-radius: 12px; }
}

/* ============================================================
   AI Safety Solution
   ============================================================ */
.aiSolSec { padding-top:80px; }
.aiSolSec .secHead { text-align: center; margin-bottom: 50px; }
.aiSolSec .secHead h3 { font-size: var(--fs48); font-weight: 900; line-height: 1.2; font-family: 'Inter', sans-serif; }
.aiSolSec .secHead h3 em { font-style:normal; color: var(--c_base2); }
.aiSolSec .secHead p { font-size: var(--fs18); margin-top: 16px; line-height: 1.7; }
 
/* 4열 카드 그리드 */
.aiSolCards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
 
/* 개별 카드 */
.aiSolCard { border-radius: 16px; overflow: hidden; position: relative; border:1px solid var(--border1); }
.aiSolCard-thumb { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; transition: opacity .4s, transform .4s; }
.aiSolCard:hover .aiSolCard-thumb { opacity: .55; transform: scale(1.04); }
 
/* 하단 텍스트 오버레이 */
.aiSolCard-body { bottom: 0; left: 0; right: 0; padding:28px 24px 26px; background:#f4f6fb; height:100%; }
.aiSolCard-body h4 { font-size: var(--fs22); font-weight: 800; color: var(--c_base3); margin-bottom: 10px; }
.aiSolCard-body p { font-size: var(--fs16); line-height: 1.65; word-break: keep-all; }
 
/* ============================================================
   반응형 1199
   ============================================================ */
@media screen and (max-width: 1199px) {
  .aiSolCards { gap: 14px; }
  .aiSolCard-body { padding: 22px 18px 20px; }
  .aiSolCard-body h4 { font-size: var(--fs20); }
  .aiSolSec { padding-top:60px; }
}
 
/* ============================================================
   반응형 768
   ============================================================ */
@media screen and (max-width: 768px) {
	.aiSolSec { padding-top:50px; }
  .aiSolSec .secHead p br { display: none; }
  .aiSolCards { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .aiSolSec .secHead {margin-bottom:30px;}
}
 
@media screen and (max-width: 500px) {
  .aiSolCards { grid-template-columns: 1fr; }
  .aiSolCard-thumb { aspect-ratio: 16/9; }
}


/* ============================================================
   시스템 구성도 & 핵심 기술
   ============================================================ */
.sysSec { padding-top:80px; }
.sysSec .secHead { text-align: center; margin-bottom: 50px; }
.sysSec .secHead h3 { font-size: var(--fs40); font-weight: 900; line-height: 1.2; }
.sysSec .secHead p { font-size: var(--fs16); margin-top: 14px; }
 
/* ── 시스템 흐름도 패널 ── */
.sysFlow { background: #fff; border: 1.5px solid var(--border1); border-radius: 20px; padding: 50px 40px; }
.sysFlowList { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; }
.sysFlowItem { display: flex; flex-direction: column; align-items: center; gap: 14px; position: relative; }
 
/* step 뱃지 */
.sysFlowItem .sfStep { font-size: var(--fs14); font-weight: 700; font-family: 'Inter', sans-serif; color: #fff; background: var(--c_base3); padding: 3px 10px; border-radius: 100px; }
 
/* 아이콘 */
.sysFlowItem .sfIco { width: 80px; height: 80px; display: flex; align-items: center; justify-content: center; }
.sysFlowItem .sfIco img { width: 100%; height: 100%; object-fit: contain; }

.life-school .sysSec {padding-top:40px;}
.life-school .sysFlowItem .sfIco { width:120px; height:120px; display: flex; align-items: center; justify-content: center; }
 
/* 텍스트 */
.sysFlowItem .sfTxt { text-align: center; }
.sysFlowItem .sfTit { font-size: var(--fs18); font-weight: 800; display: block; }
.sysFlowItem .sfDesc { font-size: var(--fs16); margin-top: 4px; display: block; }
 

 
/* ── 핵심 기술 ── */
.coreTech { margin-top: 60px; }
.coreTech .coreHd { text-align: center; margin-bottom: 30px; }
.coreTech .coreHd h4 { font-size: var(--fs32); font-weight: 900; }
.coreTechList { background: #fff; border-radius: 20px; display: grid; grid-template-columns: repeat(6, 1fr); gap:40px; }
.coreTechItem { display: flex; flex-direction: column; align-items: center; gap: 14px;}
.coreTechItem:last-child { border-right: none; }
.coreTechItem .ctIco { display: flex; align-items: center; justify-content: center; }
.coreTechItem .ctIco img { width: 100%; height: 100%; border-radius:20px; }
.coreTechItem .ctTxt { text-align: center; }
.coreTechItem .ctTit { font-size: var(--fs18); font-weight: 800; color: var(--c_base3); display: block; font-family: 'Inter', sans-serif; }
.coreTechItem .ctDesc { font-size: var(--fs16); margin-top: 5px; display: block; line-height: 1.5; word-break: keep-all; }
 
/* ============================================================
   반응형 1199
   ============================================================ */
@media screen and (max-width: 1199px) {
  .sysSec { padding-top:60px; }
  .sysFlow { padding: 36px 24px; }
  .sysFlowItem .sfIco { width: 60px; height: 60px; }
  .sysFlowItem:not(:last-child)::after { top: 26px; width: calc(100% - 60px - 12px); transform: translateX(calc(30px + 6px)); }

  .coreTechItem .ctIco {  }
  .coreTechItem { }
  .coreTechList { grid-template-columns: repeat(3, 1fr); border-radius: 14px; row-gap: 28px; }
}
 
/* ============================================================
   반응형 768
   ============================================================ */
@media screen and (max-width: 768px) {
  .sysSec { padding-top:50px; }
  .sysFlow { padding: 28px 20px; border-radius: 14px; }
  .sysFlowList { grid-template-columns: repeat(3, 1fr); row-gap: 32px; }
  .sysFlowItem:not(:last-child)::after { display: none; }
  .sysSec .secHead {margin-bottom:30px;}
  .coreTechItem { border-right: none; }
  .coreTechList { grid-template-columns: repeat(2, 1fr); border-radius: 14px; }
  .coreTechItem:nth-last-child(-n+3) { border-bottom: none; }
  .coreTech { margin-top: 40px; }
}
 
@media screen and (max-width: 500px) {
  .sysFlowList { grid-template-columns: repeat(2, 1fr); }
  .coreTechList { grid-template-columns: repeat(2, 1fr); gap:28px 16px }
  .coreTechItem:nth-last-child(-n+3) { }
  .coreTechItem:nth-last-child(-n+2) { border-bottom: none; }
}

/* ============================================================
   다양한 분야에 적용됩니다 & AI가 만드는 안전한 변화
   ============================================================ */
.applySec { padding-top: 80px; }
 
/* ── 다양한 분야 ── */
.applyHead { text-align: center; margin-bottom: 36px; }
.applyHead h3 { font-size: var(--fs32); font-weight: 900; }
.applyList { display: grid; grid-template-columns: repeat(8, 1fr); gap: 8px; }
.applyItem { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 20px 10px; border: 1.5px solid var(--border1); border-radius: 14px; background: #fff; transition: all .25s; }
.applyItem:hover { border-color: var(--c_base3); background: #f0f5ff; }
.applyItem .aIco { width: 80px; height: 45px; display: flex; align-items: center; justify-content: center; }
.applyItem .aIco img { width: 100%; height: 100%; object-fit: contain; }
.applyItem span { font-size: var(--fs16); font-weight: 600; text-align: center; word-break: keep-all; line-height:1.4; }
 
/* ── AI가 만드는 안전한 변화 ── */
.aiChange { margin-top: 60px; }
.aiChangeHead { text-align: center; margin-bottom: 28px; }
.aiChangeHead h3 { font-size: var(--fs32); font-weight: 900; }
.aiChangeList { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.aiChangeItem { border: 1.5px solid var(--border1); border-radius: 16px; padding: 28px 24px; background: #fff; display: flex; align-items: center; gap: 32px; }
.aiChangeItem .cIco { flex-shrink: 0; width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; }
.aiChangeItem .cIco img { width: 100%; height: 100%; object-fit: contain; }
.aiChangeItem .cTxt { display: flex; flex-direction: column; gap: 4px; }
.aiChangeItem .cNum { font-size: var(--fs40); font-weight: 900; color: var(--c_base2); line-height: 1; font-family: 'Inter', sans-serif; }
.aiChangeItem .cTit { font-size: var(--fs18); font-weight: 800; margin-top: 4px; }
.aiChangeItem .cDesc { font-size: var(--fs16); line-height: 1.5; margin-top: 2px; }
 
/* ============================================================
   반응형 1199
   ============================================================ */
@media screen and (max-width: 1199px) {
  .applySec { padding-top: 60px; }
  .applyList { grid-template-columns: repeat(4, 1fr); gap: 10px; }
  .aiChangeList { grid-template-columns: repeat(2, 1fr); }
  .aiChangeItem .cNum { font-size: var(--fs36); }
}
 
/* ============================================================
   반응형 768
   ============================================================ */
@media screen and (max-width: 768px) {
  .applySec { padding-top: 60px; }
  .applyList { grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .applyItem { padding: 16px 8px; }
  .applyItem .aIco { width: 40px; height: 40px; }
  .aiChange { margin-top: 44px; }
  .aiChangeList { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .aiChangeItem { padding: 20px 16px; gap: 20px; }
  .aiChangeItem .cIco { width: 44px; height: 44px; }
  .applyHead {margin-bottom:24px;}
}
 
@media screen and (max-width: 500px) {
  .applyList { grid-template-columns: repeat(3, 1fr); }
  .aiChangeList { grid-template-columns: 1fr; }
}

/* ============================================================
   직관적인 통합 관제 화면
   ============================================================ */
.dashSec { padding-top: 80px; }
.dashSec .secHead { text-align: center; margin-bottom: 44px; }
.dashSec .secHead h3 { font-size: var(--fs40); font-weight: 900; line-height: 1.2; }
 
/* 이미지 행 */
.dashImgs { display: grid; grid-template-columns: 1fr; gap: 24px; align-items:center; }
.dashImgs .dImg { border-radius: 16px; overflow: hidden; }
.dashImgs .dImg img { width: 100%; height: auto; display: block; max-width:1200px; margin:0 auto; }
 
/* 텍스트 행 */
.dashFeats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 36px; border: 1.5px solid var(--border1); border-radius: 16px; background: #fff; overflow: hidden; }
.dashFeat { padding: 28px 30px; display: flex; align-items: center; gap: 12px; border-right: 1px solid var(--border1); }
.dashFeat:last-child { border-right: none; }
.dashFeat .dPoint { flex-shrink: 0; font-size: var(--fs12); font-weight: 700; font-family: 'Inter', sans-serif; color: #fff; background: var(--c_base3); padding: 3px 10px; border-radius: 100px; }
.dashFeat span { font-size: var(--fs16); font-weight: 700; }
 
/* ============================================================
   반응형 1199
   ============================================================ */
@media screen and (max-width: 1199px) {
  .dashSec { padding-top: 60px; }
  .dashImgs { grid-template-columns: 1fr 260px; gap: 16px; }
  .dashFeat { padding: 22px 20px; }
  
}
 
/* ============================================================
   반응형 768
   ============================================================ */
@media screen and (max-width: 768px) {
  .dashSec { padding-top: 60px; }
  .dashImgs { grid-template-columns: 1fr; gap: 12px; }
  .dashImgs .dImg.phone { max-width: 280px; margin: 0 auto; }
  .dashImgs .dImg.phone img { max-height:200px;;}
  .dashFeats { grid-template-columns: repeat(2, 1fr); }
  .dashFeat:nth-child(2) { border-right: none; }
  .dashFeat:nth-child(3) { border-top: 1px solid var(--border1); }
  .dashFeat:nth-child(4) { border-top: 1px solid var(--border1); border-right: none; }
  .dashFeat { padding: 18px 20px; }
  .dashFeats {margin-top:20px;}
  .dashSec .secHead {margin-bottom:24px;} 
}
 
@media screen and (max-width: 500px) {
  .dashFeats { grid-template-columns: 1fr; }
  .dashFeat { border-right: none; border-top: 1px solid var(--border1); }
  .dashFeat:first-child { border-top: none; }
}

/* ============================================================
   산업 현장 맞춤형 CCTV 솔루션
   기존 chSec / chCard / chFeatures 스타일 그대로 재사용
   추가 오버라이드만 작성
   ============================================================ */
 
/* 하단 특징 타이틀 */
.indFeatHead { text-align: center; margin-bottom: 24px; margin-top: 60px; }
.indFeatHead h4 { font-size: var(--fs28); font-weight: 900; }
 
/* 하단 5열 특징: 아이콘 + 제목 + 설명 세로 배치로 변경 */
.indFeatures { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.indFeat { border: 1.5px solid var(--border1); border-radius: 14px; padding: 28px 20px; display: flex; flex-direction: column; gap: 10px; background: #fff; transition: all 0.3s; }
.indFeat:hover { border-color: var(--c_base3); background: #f0f5ff; }
.indFeat .fIco { width: 46px; height: 46px; border-radius: 12px; background: #f4f6fb; display: flex; align-items: center; justify-content: center; transition: all 0.3s; }
.indFeat:hover .fIco { background: var(--c_base3); }
.indFeat .fIco img { width: 26px; height: 26px; object-fit: contain; transition: all 0.3s; }
.indFeat:hover .fIco img { filter: brightness(10); }
.indFeat .fTit { font-size: var(--fs16); font-weight: 800; transition: all 0.3s; }
.indFeat:hover .fTit { color: var(--c_base3); }
.indFeat .fDesc { font-size: var(--fs14); line-height: 1.65; }
 
/* ============================================================
   반응형 1199
   ============================================================ */
@media screen and (max-width: 1199px) {
  .indFeatHead { margin-top: 40px; }
  .indFeatures { grid-template-columns: repeat(3, 1fr); }
}
 
/* ============================================================
   반응형 768
   ============================================================ */
@media screen and (max-width: 768px) {
  .indFeatHead h4 { font-size: var(--fs24); }
  .indFeatures { grid-template-columns: repeat(2, 1fr); }
  .indFeat:last-child { grid-column: span 2; }
}
 
@media screen and (max-width: 500px) {
  .indFeatures { grid-template-columns: 1fr; }
  .indFeat:last-child { grid-column: auto; }
}

/* ============================================================
   AI 스쿨버스 안전 관리 시스템
   ============================================================ */

.busSec .secHead { text-align: center; margin-bottom: 50px; }
.busSec .secHead h3 { font-size: var(--fs40); font-weight: 900; line-height: 1.3; }
.busSec .secHead h3 em { font-style:normal; color: var(--c_base2); }
.busSec .secHead p { font-size: var(--fs18); margin-top: 14px; line-height: 1.7; }
 
/* ── 버스 비주얼 영역 ── */
.busVisual { position: relative; border: 1.5px solid var(--border1); border-radius: 20px; background: #f8f9fc; overflow: hidden; padding: 50px 40px; display: grid; grid-template-columns: 280px 1fr 280px; gap: 20px; align-items: center; }
 
/* 좌우 카메라 패널 */
.busCamPanel { display: flex; flex-direction: column; gap: 14px; }
.busCamPanel .camLabel { display: inline-flex; align-items: center; gap: 8px; font-size: var(--fs16); font-weight: 700; color: var(--c_base3); background: #fff; border: 1.5px solid var(--c_base3); padding: 5px 14px; border-radius: 100px; width: fit-content; }
.busCamPanel .camImg { border-radius: 12px; overflow: hidden; border: 1px solid var(--border1); padding:16px; }
.busCamPanel .camImg img { width: 100%; object-fit: cover; display: block; }
.busCamPanel .camDesc { font-size: var(--fs16); line-height: 1.65; word-break: keep-all; }
.busCamPanel .camDesc strong { display: block; font-weight: 800; font-size: var(--fs18); margin-bottom: 4px; }
 
/* 버스 중앙 이미지 */
.busCenterImg { text-align: center; }
.busCenterImg img { width: 100%; max-width: 670px; height: auto; object-fit: contain; display: block; margin: 0 auto; }
 
/* 우측 패널 정렬 */
.busCamPanel.right { align-items: flex-end; text-align: right; }
.busCamPanel.right .camLabel { align-self: flex-end; }
.busCamPanel.right .camDesc { text-align: right; }
 
/* ── 6단계 프로세스 ── */
.busProcess { margin-top: 40px; background: var(--c_base3); border-radius: 20px; padding: 36px 40px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; align-items: center; }
.busStep { display: flex; flex-direction: column; align-items: center; gap: 12px; position: relative; }
.busStep:not(:last-child)::after { content: ''; position: absolute; right: -1px; top:40px; width: 28px; height: 2px; background: rgba(255,255,255,.35); transform: translateX(50%); }
 
/* AI 중앙 강조 스텝 */
.busStep .bsIco { width: 80px; height: 80px; border-radius: 50%; background: rgba(255,255,255,.15); display: flex; align-items: center; justify-content: center; border: 1.5px solid rgba(255,255,255,.3); }
.busStep.highlight .bsIco { background: #fff; border-color: #fff; width: 68px; height: 68px; }
.busStep .bsIco img { width: 45px; height: 30px; object-fit: contain; filter: brightness(10); }
.busStep.highlight .bsIco img { filter: none; }
.busStep .bsTxt { text-align: center; }
.busStep .bsTit { font-size: var(--fs16); font-weight: 800; color: #fff; display: block; line-height: 1.3; }
.busStep.highlight .bsTit { color: var(--c_base1); font-size: var(--fs16); }
 
/* ============================================================
   반응형 1199
   ============================================================ */
@media screen and (max-width: 1199px) {
  .busVisual { grid-template-columns: 180px 1fr 180px; padding: 36px 28px; gap: 16px; }
  .busCamPanel .camImg img {}
  .busProcess { padding: 28px 24px; gap: 0; }
  .busStep .bsIco { width: 52px; height: 52px; }
  .busStep.highlight .bsIco { width: 60px; height: 60px; }
  .busStep .bsIco img { width: 26px; height: 26px; }
}
 
/* ============================================================
   반응형 768
   ============================================================ */
@media screen and (max-width: 768px) {
  .busVisual { grid-template-columns: 1fr; padding: 28px 20px; gap: 30px; }
  .busCamPanel.right { align-items: flex-start; text-align: left; }
  .busCamPanel.right .camLabel { align-self: flex-start; }
  .busCamPanel.right .camDesc { text-align: left; }
  .busCenterImg { order: -1; }
  .busProcess { grid-template-columns: repeat(3, 1fr); gap: 20px; border-radius: 14px; padding: 28px 20px; }
  .busStep:not(:last-child)::after { display: none; }
}
 
@media screen and (max-width: 500px) {
  .busProcess { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   life-school 전용 추가 CSS
   ============================================================ */
 
/* ── 히어로 ── */
.schoolHero { position: relative; width: 100%; border-radius: 16px; overflow: hidden; margin-bottom: 60px; }
.schoolHero img.heroBg { width: 100%; height: auto; display: block; }
.schoolHero .heroOverlay { position: absolute; inset: 0; background: linear-gradient(to right, rgba(15,23,42,.85) 30%, rgba(15,23,42,.3) 70%, transparent 100%); }
.schoolHero .heroInner { position: absolute; inset: 0; display: flex; flex-direction: column; padding: 60px; gap: 16px; }
.schoolHero .heroLabel { display: inline-flex; align-items: center; gap: 8px; padding: 5px 16px; border: 1.5px solid var(--c_base1); border-radius: 100px; width: fit-content; }
.schoolHero .heroLabel span { font-size: var(--fs14); font-weight: 700; color: var(--c_base1); }
.schoolHero h2 { font-size: var(--fs48); font-weight: 900; line-height: 1.2; color: #fff; word-break: keep-all; }
.schoolHero h2 em {color:var(--c_base1); font-style:normal;}
.schoolHero .heroSub { font-size: var(--fs20); font-weight: 700; color: var(--c_base1); line-height: 1.4; word-break: keep-all; }
.schoolHero .heroDesc { font-size: var(--fs15); line-height: 1.8; color: rgba(255,255,255,.85); word-break: keep-all; max-width: 520px; }
 
/* 시스템 구성 오버레이 패널 */
.heroSysPanel { position:static; bottom: 0; left: 0; right: 0; background: rgba(15,23,42,.6); backdrop-filter: blur(6px); padding: 20px 60px; display: flex; gap: 0; }
.heroSysPanel .spTitle { font-size: var(--fs18); font-weight: 800; color: var(--c_base1); display: flex; align-items: center; gap: 8px; flex-shrink: 0; margin-right:80px; white-space: nowrap; }
.heroSysPanel .spTitle::before { content: ''; display: inline-block; width: 4px; height: 18px; background: var(--c_base1); border-radius: 2px; }
.heroSysItems { display:grid; gap: 32px; flex: 1; grid-template-columns: repeat(3, 1fr);
 }
.heroSysItem { display: flex; align-items: flex-start; gap:20px; }
.heroSysItem .siIco { flex-shrink: 0; width:60px; height:60px; display: flex; align-items: center; justify-content: center; }
.heroSysItem .siIco img { width: 100%; height: 100%; object-fit: contain; filter: brightness(1); }
.heroSysItem .siTxt { display: flex; flex-direction: column; gap: 3px; }
.heroSysItem .siTit { font-size: var(--fs16); font-weight: 800; color: #fff; }
.heroSysItem .siDesc {  font-size: var(--fs14); color: rgba(255,255,255,.65); line-height: 1.5; word-break: keep-all; }
.heroSysItem .siDesc span { display: block; position:relative; padding-left:8px;}
.heroSysItem .siDesc span:before {content:""; display:block; width:3px; height:3px; border-radius:50%; background-color:rgba(255,255,255,.65); position:absolute; left:0; top:8px;}

/* ── 핵심 프로세스 ── */
.coreProc { margin-bottom: 60px; }
.coreProcInner { background: #fff; border: 1.5px solid var(--border1); border-radius: 20px; padding: 40px 50px; display: grid; grid-template-columns: 1fr 60px 1fr 60px 1fr; gap: 0;}
.cpStep { border: 2px solid var(--border1); border-radius: 14px; padding: 28px 24px; display: flex; flex-direction: column; gap: 14px; }
.cpStep.highlight { border-color: var(--c_base2); }
.cpStep .cpNum { font-size: var(--fs15); font-weight: 800; color: var(--c_base3); }
.cpStep.highlight .cpNum { color: var(--c_base2); }
.cpStep h4 { font-size: var(--fs20); font-weight: 900; }
.cpIconRow { display: flex; gap:32px; flex-wrap: wrap; }
.cpIcon { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.cpIcon .ciIco { width: 52px; height: 52px; border-radius: 50%; background: #f4f6fb; display: flex; align-items: center; justify-content: center; }
.cpIcon .ciIco img { width: 30px; height: 30px; object-fit: contain; }
.cpIcon span { font-size: var(--fs13); font-weight: 600; text-align: center; }
.cpStep .cpDesc { font-size: var(--fs15); line-height: 1.7; word-break: keep-all; }
.cpStep.highlight .cpDesc { color: var(--c_base2); font-weight: 600; }
.cpStep .cpDescSub { font-size: var(--fs14); line-height: 1.65; word-break: keep-all; }
.cpArrow { display: flex; align-items: center; justify-content: center; }
.cpArrow svg { width: 40px; height: 40px; }
 
/* ── 동작 흐름 공통 (7단계) ── */
.flowSec { margin-bottom: 40px; }
.flowSec .flowHd { background: var(--c_base3); border-radius: 14px 14px 0 0; padding: 14px 30px; display: flex; align-items: center; gap: 10px; }
.flowSec.board .flowHd { background: #2d7a3a; }
.flowSec .flowHd h4 { font-size: var(--fs18); font-weight: 800; color: #fff; }
.flowSec .flowBody { background: #f4f8ff; border: 1.5px solid var(--border1); border-radius:16px; padding: 32px 28px; }
.flowSec.board .flowBody { background: #f4fbf5; }
.flow7 { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0; align-items: start; }
.f7Item { display: flex; flex-direction: column; align-items: center; gap: 10px; position: relative; padding: 0 8px; }
.f7Item:not(:last-child)::after { content: ''; position: absolute; right: -10px; top:60px; width: 20px; height: 20px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12h14M14 6l6 6-6 6' stroke='%231D4892' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat; z-index: 1; }
.flowSec.board .f7Item:not(:last-child)::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12h14M14 6l6 6-6 6' stroke='%232d7a3a' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.f7Item .f7Num { width: 24px; height: 24px; border-radius: 50%; background: var(--c_base3); display: flex; align-items: center; justify-content: center; font-size: var(--fs12); font-weight: 800; color: #fff; flex-shrink: 0; }
.flowSec.board .f7Item .f7Num { background: #2d7a3a; }
.f7Item .f7Ico { width: 72px; height: 72px; border-radius: 12px; background: #fff; border: 1.5px solid var(--border1); display: flex; align-items: center; justify-content: center; }
.f7Item .f7Ico img { width: 46px; height: 46px; object-fit: contain; }
.f7Item .f7Tit { font-size: var(--fs16); font-weight: 800; text-align: center; line-height: 1.3; word-break: keep-all; }
.f7Item .f7Desc { font-size: var(--fs14); line-height: 1.55; text-align: center; word-break: keep-all; }
.f7Item .f7Desc.accent { color: var(--c_base2); font-weight: 700; }
 
/* ── 주요 기능 (시안 스타일) ── */
.busFuncGrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.busFuncCard { border: 1.5px solid var(--border1); border-radius: 14px; padding: 28px 24px; background: #fff; display: flex; flex-direction: column; gap: 14px; transition: all .25s; }
.busFuncCard:hover { border-color: var(--c_base3); background: #f0f5ff; }
.busFuncCard .bfcIco { width: 80px; height: 80px; border-radius: 50%; background:#f0f5ff; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.busFuncCard .bfcIco img { width: 50px; height: 50px; object-fit: contain; }
.busFuncCard .bfcTit { font-size: var(--fs18); font-weight: 900; word-break: keep-all; }
.busFuncCard:hover .bfcTit { color: var(--c_base3); }
.busFuncCard .bfcList { display: flex; flex-direction: column; gap: 4px; padding: 0; margin: 0; list-style: none; }
.busFuncCard .bfcList li { font-size: var(--fs15); display: flex; align-items: flex-start; gap: 6px; }
.busFuncCard .bfcList li::before { content: '•'; color: var(--c_base3); font-weight: 700; flex-shrink: 0; }
.busFuncCard .bfcSub { font-size: var(--fs14); font-weight: 700; }
 
/* ── 하단 4열 특징 바 ── */
.schoolFeatBar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1.5px solid var(--border1); border-radius: 16px; background:#f4f6fb; overflow: hidden; margin-top: 60px; }
.sfBar { display: flex; align-items: center; gap: 14px; padding: 22px 24px; border-right:1px solid var(--border1); transition: background .25s; }
.sfBar:last-child { border-right: none; }
.sfBar:hover { background: rgba(255,255,255,.06); }
.sfBar .sbIco { flex-shrink: 0; width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; }
.sfBar .sbIco img { width: 100%; height: 100%; object-fit: contain; }
.sfBar .sbTxt { display: flex; flex-direction: column; gap: 3px; }
.sfBar .sbTit { font-size: var(--fs16); font-weight: 800; color:var(--c_base3); }
.sfBar .sbDesc { font-size: var(--fs14); color:#000; }
 
/* ============================================================
   반응형 1199
   ============================================================ */
@media screen and (max-width: 1199px) {
  .schoolHero { border-radius: 12px; margin-bottom: 50px; }
  .schoolHero .heroInner { padding:36px; }
  .schoolHero h2 { font-size: var(--fs36); }
  .schoolHero .heroSub { font-size: var(--fs18); }
  .heroSysPanel { padding: 16px 28px; flex-wrap: wrap; gap: 12px; }
  .heroSysPanel .spTitle { margin-right: 0; width: 100%; }
  .heroSysItems { flex-wrap: wrap; gap: 16px; }
  .coreProcInner { grid-template-columns: 1fr; gap: 20px; padding: 28px 24px; }
  .cpArrow { transform: rotate(90deg); }
  .flow7 { grid-template-columns: repeat(4, 1fr); gap: 20px 0; }
  .f7Item:not(:last-child)::after { display: none; }
  .f7Item:nth-child(4):not(:last-child)::after { display: none; }
  .busFuncGrid { grid-template-columns: repeat(2, 1fr); }
  .schoolFeatBar { grid-template-columns: repeat(2, 1fr); }
  .sfBar:nth-child(2) { border-right: none; }
  .sfBar:nth-child(3) { border-top: 1px solid rgba(255,255,255,.1); }
  .sfBar:nth-child(4) { border-top: 1px solid rgba(255,255,255,.1); border-right: none; }
}
 
/* ============================================================
   반응형 768
   ============================================================ */
@media screen and (max-width: 768px) {
  .schoolHero { margin-bottom: 40px; }
  .schoolHero .heroInner { padding: 28px 20px 180px; }
  .schoolHero h2 { font-size: var(--fs28); }
  .schoolHero .heroSub { font-size: var(--fs16); }
  .schoolHero .heroDesc { font-size: var(--fs14); }
  .heroSysPanel { padding: 24px 20px; }
  .heroSysItems { gap:16px; grid-template-columns: 1fr;}
  .heroSysItem .siIco { width: 34px; height: 34px; }
  .coreProc { margin-bottom:0; }
  .coreProcInner { padding: 24px 20px; border-radius: 14px; }
  .flow7 { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .flowSec .flowBody { padding: 24px 16px; }
  .busFuncGrid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .schoolFeatBar { grid-template-columns: 1fr; border-radius: 12px; }
  .sfBar { border-right: none; border-top: 1px solid rgba(255,255,255,.1); }
  .sfBar:first-child { border-top: none; }
  .sfBar:nth-child(2) { border-right: none; border-top: 1px solid rgba(255,255,255,.1); }
  .sfBar:nth-child(3) { border-top: 1px solid rgba(255,255,255,.1); }
  .schoolFeatBar { margin-top: 40px; }
  .schoolHero img.heroBg {min-height:350px; object-fit:cover; object-position: right;}
  .schoolHero {}
}
 
@media screen and (max-width: 500px) {
  .flow7 { grid-template-columns: 1fr; }
  .busFuncGrid { grid-template-columns: 1fr; }
  .cpIconRow { gap: 12px; }
}



/* ============================================================
   시스템 동작 흐름 / 주요 기능 / 기대 효과
   ============================================================ */
.busDetailSec { padding-top: 80px; }
 
/* ── 공통 섹션 타이틀 뱃지 ── */
.bdgTitle { display: flex; justify-content: center; margin-bottom: 30px; }
.bdgTitle span { display: inline-block; background: var(--c_base3); font-size: var(--fs16); font-weight: 800; padding: 8px 28px; border-radius: 100px; color: #fff; }
 
/* ============================================================
   시스템 동작 흐름 5단계
   ============================================================ */
.sysFlow5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; align-items: stretch; }
.sf5Item { display: flex; flex-direction: column; gap: 14px; padding: 0 20px; position: relative; }
.sf5Item:first-child {padding-left:0;}
.sf5Item:last-child {padding-right:0;}
.sf5Item:not(:last-child) ::after { content: ''; position: absolute; right: -12px; top:34%; width: 24px; height: 24px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12h14M14 6l6 6-6 6' stroke='%231D4892' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat; z-index: 1; }
 
/* 단계 번호 + 제목 */
.sf5Item .sf5Hd { display: flex; align-items: center; gap: 8px; }
.sf5Item .sf5Num { flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; background: var(--c_base3); display: flex; align-items: center; justify-content: center; font-size: var(--fs13); font-weight: 800; color: #fff; font-family: 'Inter', sans-serif; }
.sf5Item .sf5Tit { font-size: var(--fs18); font-weight: 800; }
 
/* 썸네일 */
.sf5Item .sf5Img { border-radius: 10px; overflow: hidden; border: 1px solid var(--border1); }
.sf5Item .sf5Img img { width: 100%; height: 170px; object-fit: cover; display: block; }
 
/* 설명 */
.sf5Item .sf5Desc { font-size: var(--fs16); line-height: 1.65; word-break: keep-all; background:#f4f6fb; min-height:73px; padding:10px 20px; border-radius:12px; color:#000}
 
/* 상태 뱃지 */
.sf5Item .sf5Badge { display: inline-block; padding: 5px 16px; border-radius: 100px; font-size: var(--fs16); font-weight: 700; border: 1.5px solid var(--border1); width: fit-content; }
.sf5Item .sf5Badge.wait { border-color: #aaa; }
.sf5Item .sf5Badge.check { border-color: var(--c_base3); color: var(--c_base3); }
.sf5Item .sf5Badge.done { border-color: var(--c_base3); background: var(--c_base3); color: #fff; }
.sf5Item .sf5Badge.go { border-color: #16a34a; background: #dcfce7; color: #16a34a; }
 
/* ============================================================
   주요 기능 4개
   ============================================================ */
.busFunc { margin-top: 60px; }
.busFuncList { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.busFuncItem { border: 1.5px solid var(--border1); border-radius: 14px; padding: 26px 22px; background: #fff; display: flex; flex-direction:column; gap: 16px; align-items: flex-start; transition: all .25s; }
.busFuncItem:hover { border-color: var(--c_base3); background: #f0f5ff; }
.busFuncItem .bfIco { flex-shrink: 0; width: 100px; height: 100px; border-radius: 12px; background: #f4f6fb; display: flex; align-items: center; justify-content: center; transition: all .25s; }
.busFuncItem:hover .bfIco { background: var(--c_base3); }
.busFuncItem .bfIco img { width: 80px; height: 80px; object-fit: contain; transition: all .25s; }
.busFuncItem:hover .bfIco img { filter: brightness(10); }
.busFuncItem .bfTxt { display: flex; flex-direction: column; gap: 6px; }
.busFuncItem .bfTit { font-size: var(--fs16); font-weight: 800; }
.busFuncItem:hover .bfTit { color: var(--c_base3); }
.busFuncItem .bfDesc { font-size: var(--fs14); line-height: 1.65; word-break: keep-all; }
 
/* ============================================================
   기대 효과 3개
   ============================================================ */
.busEffect { margin-top: 60px; }
.busEffectList { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.busEffItem { border: 1.5px solid var(--border1); border-radius: 14px; padding: 28px 24px; background: #fff; display: flex; gap: 18px; align-items: center; transition: all .25s; }
.busEffItem:hover { border-color: var(--c_base3); background: #f0f5ff; }
.busEffItem .beIco { flex-shrink: 0; width: 70px; height: 70px; border-radius: 12px; background: #f4f6fb; display: flex; align-items: center; justify-content: center; transition: all .25s; }
.busEffItem:hover .beIco { background: var(--c_base3); }
.busEffItem .beIco img { width: 36px; height: 36px; object-fit: contain; transition: all .25s; }
.busEffItem:hover .beIco img { filter: brightness(10); }
.busEffItem .beTxt { display: flex; flex-direction: column; gap: 5px; }
.busEffItem .beTit { font-size: var(--fs17); font-weight: 800; }
.busEffItem:hover .beTit { color: var(--c_base3); }


/* ============================================================
   생활 안전 솔루션 전체소개 영상 - 버튼 & 레이어팝업
   ============================================================ */
/* 히어로 내 영상 보기 버튼 */
.heroVideoBtn { display: inline-flex; align-items: center; gap: 10px; margin-top: 14px; padding: 13px 26px; border: none; border-radius: 100px; background: var(--c_base1); color: #0f172a; font-size: var(--fs16); font-weight: 800; cursor: pointer; width: fit-content; box-shadow: 0 6px 20px rgba(0,0,0,.25); transition: transform .2s, box-shadow .2s, background .2s; }
.heroVideoBtn:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0,0,0,.32); }
.heroVideoBtn .vbIco { flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; background: #0f172a; display: flex; align-items: center; justify-content: center; }
.heroVideoBtn .vbIco svg { width: 12px; height: 12px; margin-left: 2px; }

/* 스쿨버스 히어로는 heroInner가 absolute라 버튼을 흐름에 자연스럽게 노출 */
.schoolHero .heroVideoBtn { margin-top: 18px; }

/* 레이어 팝업 */
.videoModal { position: fixed; inset: 0; z-index: 9999; display: none; align-items: center; justify-content: center; padding: 24px; }
.videoModal.on { display: flex; }
.videoModal__dim { position: absolute; inset: 0; background: rgba(0,0,0,.78); backdrop-filter: blur(2px); }
.videoModal__box { position: relative; z-index: 2; width: min(92vw, 1280px); max-width: calc(88vh * 16 / 9); }
.videoModal__frame { position: relative; width: 100%; aspect-ratio: 16 / 9; background: #000; border-radius: 12px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.videoModal__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.videoModal__close { position: absolute; top: -46px; right: 0; width: 38px; height: 38px; border: none; border-radius: 50%; background: rgba(255,255,255,.14); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background .2s; }
.videoModal__close:hover { background: rgba(255,255,255,.28); }
.videoModal__close svg { width: 18px; height: 18px; }

/* 구형 브라우저(aspect-ratio 미지원) 대비 */
@supports not (aspect-ratio: 16 / 9) {
  .videoModal__frame { height: 0; padding-bottom: 56.25%; }
}

@media screen and (max-width: 768px) {
  .heroVideoBtn { padding: 11px 22px; }
  .videoModal { padding: 16px; }
  .videoModal__box { width: 100%; }
  .videoModal__close { top: -42px; }
}
.busEffItem .beDesc { font-size: var(--fs14); line-height: 1.65; word-break: keep-all; }
 
/* ============================================================
   반응형 1199
   ============================================================ */
@media screen and (max-width: 1199px) {
  .busEffect {margin-top:50px;}
  .busDetailSec { padding-top: 60px; }
  .sysFlow5 { grid-template-columns: repeat(3, 1fr); gap:60px 20px; }
  .sf5Item:not(:last-child)::after { display: none; }
  .sf5Item:nth-child(3n):not(:last-child)::after { display: none; }
  .busFuncList { grid-template-columns: repeat(2, 1fr); }
  .busEffectList { grid-template-columns: repeat(3, 1fr); }
  .sf5Item:not(:last-child) ::after {right:-22px;}
  .sf5Item {padding:0 12px;}
}
 
/* ============================================================
   반응형 768
   ============================================================ */
@media screen and (max-width: 768px) {
  .busDetailSec { padding-top: 50px; }
  .sysFlow5 { grid-template-columns: repeat(2, 1fr); }
  .busFuncList { grid-template-columns: repeat(2, 1fr); }
  .busEffectList { grid-template-columns: 1fr; }
  .sf5Item .sf5Img img { height:170px; }
  .sysFlow5 {gap:30px 20px;}
  .sf5Item .sf5Desc {min-height:auto;}
}
 
@media screen and (max-width: 500px) {
  .sysFlow5 { grid-template-columns: 1fr; }
  
  .busFuncList { grid-template-columns: 1fr; }
  .sf5Item:not(:last-child) ::after {display:none;}
}