:root{
  --accent:#2A3048;
  --accent-soft:#E9ECF4;
  --ink:#000000;
  --line:#E5E5E5;
  --serif:'Noto Serif KR',serif;
  --sans:'Pretendard',-apple-system,BlinkMacSystemFont,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--sans);color:#22262B;background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased;}
h1,h2,h3{font-family:var(--serif);font-weight:600;margin:0;color:#101215;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:var(--sans);}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;}
.logo{display:flex;align-items:center;gap:8px;}
.logo-icon{width:32px;height:32px;color:var(--accent);}
.logo-icon svg{width:100%;height:100%;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-brand{font-family:var(--serif);font-size:19px;font-weight:700;letter-spacing:-0.02em;color:#000;}
.logo-keyword{font-size:.7rem;font-weight:400;color:var(--accent);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:30px;}
.main-nav>a{font-size:14.5px;font-weight:600;color:#22262B;}
.main-nav>a.active{color:var(--accent);}
.nav-drop{position:relative;}
.nav-drop-toggle{font-size:14.5px;font-weight:600;cursor:pointer;}
.nav-drop-panel{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);min-width:220px;padding:8px 0;box-shadow:0 12px 28px rgba(0,0,0,.08);}
.nav-drop:hover .nav-drop-panel,.nav-drop:focus-within .nav-drop-panel{display:flex;flex-direction:column;}
.nav-drop-panel a{padding:10px 20px;font-size:14px;font-weight:500;}
.nav-drop-panel a:hover{background:var(--accent-soft);color:var(--accent);}
.btn-cta{background:var(--accent);color:#fff!important;padding:11px 22px;border-radius:0;font-weight:700;}
.mobile-nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;}
.mobile-nav-toggle span{width:22px;height:2px;background:#000;}
.mobile-nav-panel{display:none;}

/* ---------- section shell ---------- */
.section{padding:96px 0;}
.section-head{margin-bottom:44px;}
.section-label{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--accent);margin-bottom:10px;}
.section-title{font-size:30px;line-height:1.4;}
.section-desc{margin-top:12px;font-size:15.5px;color:#5B6169;max-width:620px;}

/* ---------- champions-city hover border ---------- */
.hl{position:relative;}
.hl::before,.hl::after{content:'';position:absolute;pointer-events:none;}
.hl-box{position:relative;overflow:hidden;}
.hl-box .hl-top,.hl-box .hl-bottom,.hl-box .hl-left,.hl-box .hl-right{position:absolute;background:#000;transition:all .6s ease;}
.hl-box .hl-top,.hl-box .hl-bottom{height:1px;width:0;left:0;}
.hl-box .hl-left,.hl-box .hl-right{width:1px;height:0;top:0;}
.hl-box .hl-top{top:0;} .hl-box .hl-bottom{bottom:0;}
.hl-box .hl-left{left:0;} .hl-box .hl-right{right:0;}
.hl-box:hover .hl-top,.hl-box:hover .hl-bottom{width:100%;}
.hl-box:hover .hl-left,.hl-box:hover .hl-right{height:100%;}

/* ---------- hero (hero_id = 1, card panel) ---------- */
.hero{padding:56px 0 40px;background:#fff;}
.hero__inner{max-width:1280px;margin:0 auto;background:#F5F4F2;border-radius:26px;padding:52px;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.hero-eyebrow{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--accent);margin-bottom:16px;}
.hero h1{font-size:38px;line-height:1.35;margin-bottom:18px;}
.hero-sub{font-size:16px;color:#4B5563;margin-bottom:28px;max-width:480px;}
.hero-cta{display:flex;gap:12px;margin-bottom:26px;}
.hero-cta .btn-fill{background:var(--accent);color:#fff;padding:14px 26px;border-radius:0;font-weight:700;font-size:15px;}
.hero-cta .btn-line{border:1px solid var(--accent);color:var(--accent);padding:14px 26px;border-radius:0;font-weight:700;font-size:15px;}
.hero-checks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:14px;color:#4B5563;}
.hero-checks li::before{content:'+ ';color:var(--accent);font-weight:700;}

/* full-bleed video hero: same copy/font rules above, video fills edge-to-edge behind text */
.hero--video{position:relative;padding:0;min-height:640px;display:flex;align-items:center;overflow:hidden;background:#101215;}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
.hero-scrim{position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,15,17,.78) 0%,rgba(15,15,17,.5) 55%,rgba(15,15,17,.22) 100%);z-index:1;}
.hero--video .hero__inner{position:relative;z-index:2;background:none;border-radius:0;padding:52px;display:block;width:100%;}
.hero--video .hero-copy{max-width:640px;}
.hero--video .hero-eyebrow{color:#fff;}
.hero--video h1{color:#fff;}
.hero--video .hero-sub{color:rgba(255,255,255,.85);}
.hero--video .hero-cta .btn-line{border-color:#fff;color:#fff;}
.hero--video .hero-checks{color:rgba(255,255,255,.85);}
.hero--video .hero-checks li::before{color:#fff;}

/* ---------- why cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.why-card{background:#fff;border:1px solid var(--line);padding:32px 26px;}
.why-card .why-icon{width:38px;height:38px;color:var(--accent);margin-bottom:18px;}
.why-card h3{font-size:17px;margin-bottom:10px;}
.why-card p{font-size:14px;color:#5B6169;margin:0;line-height:1.65;}

/* ---------- why-us zigzag ---------- */
.zigzag-item{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:64px;}
.zigzag-item:last-child{margin-bottom:0;}
.zigzag-item.rev .zz-text{order:2;}
.zigzag-item.rev .zz-photo{order:1;}
.zz-photo{border-radius:16px;overflow:hidden;aspect-ratio:4/3;}
.zz-photo img{width:100%;height:100%;object-fit:cover;}
.zz-text .num{font-family:var(--serif);font-size:14px;color:var(--accent);font-weight:700;margin-bottom:12px;display:block;}
.zz-text h3{font-size:22px;margin-bottom:14px;}
.zz-text p{font-size:15px;color:#4B5563;line-height:1.75;}

/* ---------- courses (svg icon cards, no photo) ---------- */
.course-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
.course-card{background:#fff;border:1px solid var(--line);padding:28px 22px;}
.course-card .c-icon{width:9px;height:9px;color:var(--accent);margin-bottom:16px;}
.course-card h3{font-size:16px;margin-bottom:8px;}
.course-card p{font-size:13.5px;color:#5B6169;margin:0;line-height:1.6;}

/* ---------- after-support cards ---------- */
.after-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.after-card{background:#fff;border:1px solid var(--line);padding:30px 24px;}
.after-card h3{font-size:16.5px;margin-bottom:10px;}
.after-card p{font-size:14px;color:#5B6169;margin:0;line-height:1.65;}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.about-text p{font-size:15.5px;color:#4B5563;line-height:1.8;margin:0 0 16px;}
.about-photo{border-radius:16px;overflow:hidden;aspect-ratio:4/3;}
.about-photo img{width:100%;height:100%;object-fit:cover;}
.about-facts{margin-top:20px;font-size:14px;color:#5B6169;}
.about-facts strong{color:#101215;}

/* ---------- home cases 3-col ---------- */
.cases-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.case-card{display:block;position:relative;}
.case-card .thumb{aspect-ratio:1/1;overflow:hidden;border-radius:12px;}
.case-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.case-card:hover .thumb img{transform:scale(1.05);}
.case-card .cap{padding:14px 4px;font-size:14.5px;font-weight:600;}
.section-more{margin-top:32px;text-align:center;}
.section-more a{display:inline-block;border:1px solid var(--accent);color:var(--accent);padding:12px 26px;font-weight:700;font-size:14px;}

/* ---------- process (shared: home / category / case) ---------- */
.process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #E0E0DC;}
.process-item{padding:28px 20px 28px 24px;border-right:1px solid #E0E0DC;}
.process-item:first-child{padding-left:0;}
.process-item:last-child{border-right:none;}
.pnum{display:block;font-size:13px;font-weight:700;color:var(--accent);margin-bottom:10px;}
.process-item h3{font-size:16px;font-weight:800;color:#22262B;margin:0 0 8px;}
.process-item p{font-size:13.5px;color:#5B6169;line-height:1.65;margin:0;}

/* ---------- faq ---------- */
.faq-list{max-width:820px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;background:none;border:0;padding:20px 4px;display:flex;justify-content:space-between;align-items:center;text-align:left;font-size:15.5px;font-weight:600;cursor:pointer;color:#101215;}
.faq-toggle{font-size:20px;color:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{font-size:14.5px;color:#4B5563;padding:0 4px 20px;margin:0;line-height:1.7;}
.faq-item.open .faq-a{max-height:400px;}
.faq-item.open .faq-toggle{transform:rotate(45deg);}

/* ---------- closing ---------- */
.closing{position:relative;height:650px;background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center;}
.closing-overlay{position:absolute;inset:0;background:rgba(19,19,19,.55);}
.closing-inner{position:relative;text-align:center;color:#fff;max-width:640px;padding:0 20px;}
.closing-inner h2{font-size:32px;color:#fff;margin-bottom:14px;line-height:1.4;}
.closing-inner p{font-size:15.5px;color:#EDEDED;margin-bottom:26px;}
.btn-outline{display:inline-block;border:1px solid #fff;color:#fff;padding:14px 30px;border-radius:0;font-weight:700;}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 0;}
.footer-inner{display:grid;grid-template-columns:1.1fr 1.3fr 1fr 0.9fr;gap:32px;padding-bottom:36px;}
.footer-brand strong{font-family:var(--serif);font-size:17px;}
.footer-brand p,.footer-addr p{font-size:13.5px;color:#5B6169;line-height:1.7;margin:8px 0 0;}
.footer-addr strong{color:#101215;}
.footer-area{color:var(--accent)!important;font-weight:600;}
.footer-nav,.footer-courses{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-col-label{font-size:12.5px;font-weight:700;color:#101215;margin-bottom:2px;}
.footer-guide{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;padding:14px 0;border-top:1px solid var(--line);font-size:12.5px;}
.footer-guide-label{font-weight:700;color:#101215;}
.footer-guide a{color:#5B6169;}
.footer-copy{border-top:1px solid var(--line);padding:18px 0;font-size:12.5px;color:#9AA0A6;}

/* ---------- mobile bar ---------- */
.mobile-bar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:60;}
.mobile-bar-btn{flex:1;text-align:center;padding:16px 0;font-weight:700;font-size:15px;}
.mobile-bar-consult{background:var(--accent);color:#fff;}
.mobile-bar-call{background:#101215;color:#fff;}

/* ---------- page hero (inner pages) ---------- */
.page-hero{background:#F5F4F2;padding:70px 0 56px;}
.page-hero .section-label{margin-bottom:14px;}
.page-hero h1{font-size:32px;}
.page-hero p{margin-top:14px;font-size:15px;color:#5B6169;max-width:600px;}
.page-hero.photo{background-size:cover;background-position:center;color:#fff;position:relative;padding:110px 0;}
.page-hero.photo::before{content:'';position:absolute;inset:0;background:rgba(15,15,17,.5);}
.page-hero.photo .wrap{position:relative;}
.page-hero.photo h1,.page-hero.photo .page-hero-title,.page-hero.photo .section-label{color:#fff;}
.page-hero-title{font-family:var(--serif);font-weight:600;font-size:32px;line-height:1.35;margin:0;color:#101215;}

/* ---------- sitemap page ---------- */
.sitemap-page{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;max-width:1000px;}
.sitemap-group h2{font-size:16px;margin-bottom:14px;}
.sitemap-group ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;}
.sitemap-group a{font-size:14px;color:#4B5563;}

/* ---------- category related-cases ---------- */
.related-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}

/* ---------- category body ---------- */
.cat-body{max-width:820px;font-size:15.5px;color:#4B5563;line-height:1.85;}
.cat-body p{margin:0 0 18px;}
.cat-body-img{width:100%;height:auto;aspect-ratio:820/500;object-fit:cover;border-radius:12px;margin:0 0 24px;}

/* ---------- case detail ---------- */
.kh-single__index{font-size:13px;color:#888;letter-spacing:.04em;margin-bottom:14px;display:block;}
.kh-single__title{font-size:28px;font-weight:800;line-height:1.35;margin:0 0 36px;}
.case-related-links{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px;}
.case-related-links a{font-size:13px;font-weight:600;color:var(--accent);background:var(--accent-soft);padding:7px 14px;}
.kh-single__body{max-width:760px;margin:0 auto;font-size:15.5px;color:#4B5563;line-height:1.85;}
.kh-single__body h2{font-size:20px;color:#101215;margin-top:48px;margin-bottom:16px;}
.kh-single__body p{margin:0;}
.kh-gallery{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:760px;margin:44px auto;}
.kh-gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center;border-radius:8px;cursor:pointer;background:#fff;}

/* ---------- cases list (variable width) ---------- */
.cases-list-grid{display:flex;flex-wrap:wrap;gap:26px 2%;}
.cases-list-grid .lc-card{flex-basis:49%;}
.cases-list-grid .lc-card .thumb{aspect-ratio:7/6;}
.cases-list-grid .lc-card:nth-child(10n+1) .thumb,
.cases-list-grid .lc-card:nth-child(10n+6) .thumb,
.cases-list-grid .lc-card:nth-child(10n+9) .thumb{aspect-ratio:5/6;}
.cases-list-grid .lc-card:nth-child(10n+1),
.cases-list-grid .lc-card:nth-child(10n+6),
.cases-list-grid .lc-card:nth-child(10n+9){flex-basis:30%;}
.cases-list-grid .lc-card:nth-child(10n+2) .thumb,
.cases-list-grid .lc-card:nth-child(10n+5) .thumb,
.cases-list-grid .lc-card:nth-child(10n) .thumb{aspect-ratio:9.45/5;}
.cases-list-grid .lc-card:nth-child(10n+2),
.cases-list-grid .lc-card:nth-child(10n+5),
.cases-list-grid .lc-card:nth-child(10n){flex-basis:68%;}
.lc-card .thumb{overflow:hidden;border-radius:0;}
.lc-card .thumb img{width:100%;height:100%;object-fit:cover;}
.lc-card .cap{padding:12px 2px;font-size:14.5px;font-weight:600;}

.pagination{display:flex;gap:10px;justify-content:center;margin-top:56px;}
.pagination a,.pagination span{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:#22262B;}
.pagination .current{background:#000;color:#fff;}

/* ---------- lightbox ---------- */
.lightbox{display:none;position:fixed;inset:0;background:rgba(0,0,0,.88);z-index:200;align-items:center;justify-content:center;}
.lightbox.open{display:flex;}
.lightbox img{max-width:92vw;max-height:88vh;object-fit:contain;}
.lightbox .lb-close{position:absolute;top:24px;right:32px;color:#fff;font-size:32px;cursor:pointer;background:none;border:0;}
.lightbox .lb-arrow{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:36px;cursor:pointer;background:none;border:0;padding:12px;}
.lightbox .lb-prev{left:16px;} .lightbox .lb-next{right:16px;}

.bg-1{background:#DCD8CF;} .bg-2{background:#E0E0DE;} .bg-3{background:#F3F3F1;} .bg-4{background:#F9F7F3;}
.bg-5{background:#F4F8FC;} .bg-6{background:#F4F3EC;} .bg-7{background:#FDFDFD;} .bg-8{background:#F8FAFC;}

@media(max-width:1024px){
  .card-grid,.course-grid,.after-grid,.cases-3,.related-row,.sitemap-page{grid-template-columns:repeat(2,1fr);}
  .hero__inner{grid-template-columns:1fr;padding:36px;}
  .hero--video{min-height:520px;}
  .hero--video .hero__inner{padding:36px;}
  .zigzag-item{grid-template-columns:1fr;}
  .zigzag-item.rev .zz-text,.zigzag-item.rev .zz-photo{order:0;}
  .about-grid{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media(max-width:767px){
  .main-nav{display:none;}
  .mobile-nav-toggle{display:flex;}
  .mobile-nav-panel.open{display:flex;flex-direction:column;padding:12px 24px 24px;border-top:1px solid var(--line);}
  .mobile-nav-panel a{padding:12px 0;font-size:15px;font-weight:600;border-bottom:1px solid var(--line);}
  .mobile-courses-list{display:none;flex-direction:column;padding-left:12px;}
  .mobile-courses-list.open{display:flex;}
  .card-grid,.course-grid,.after-grid,.cases-3,.related-row,.footer-inner,.sitemap-page{grid-template-columns:1fr;}
  .cases-list-grid .lc-card,
  .cases-list-grid .lc-card:nth-child(10n+1),
  .cases-list-grid .lc-card:nth-child(10n+2),
  .cases-list-grid .lc-card:nth-child(10n+5),
  .cases-list-grid .lc-card:nth-child(10n+6),
  .cases-list-grid .lc-card:nth-child(10n+9),
  .cases-list-grid .lc-card:nth-child(10n){flex-basis:100%;}
  .cases-list-grid .lc-card .thumb{aspect-ratio:4/3!important;}
  .process-list{grid-template-columns:1fr 1fr;}
  .process-item{padding:22px 16px;}
  .process-item:first-child{padding-left:16px;}
  .kh-gallery{grid-template-columns:1fr;}
  .kh-single__title{font-size:22px;}
  .section{padding:64px 0;}
  .hero h1{font-size:28px;}
  .closing{height:520px;}
  .closing-inner h2{font-size:24px;}
  .mobile-bar{display:flex;}
  body{padding-bottom:56px;}
  .site-header{position:relative;}
}

/* ---------- guide hub / guide related cases ---------- */
.g-hub{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1160px;margin:0 auto;}
.g-card{display:block;}
.g-card .thumb{aspect-ratio:4/3;overflow:hidden;border-radius:12px;}
.g-card .thumb img{width:100%;height:100%;object-fit:cover;}
.g-card h2{font-size:19px;margin:14px 0 6px;}
.g-card p{font-size:14px;color:#5B6169;line-height:1.6;margin:0 0 8px;}
.g-card span{font-size:13.5px;font-weight:600;color:var(--accent);}
.g-rel{display:grid;grid-template-columns:repeat(var(--n,3),1fr);gap:20px;}
.g-rel .case-card .thumb{aspect-ratio:auto;height:170px;}
@media(max-width:1024px){.g-hub{grid-template-columns:repeat(2,1fr);}}
@media(max-width:767px){
  .g-hub,.g-rel{grid-template-columns:1fr;}
  h1,h2,h3,.cap,.btn-fill,.btn-cta,.btn-outline,.mobile-nav-panel a{word-break:keep-all;}
  .mobile-nav-panel.open{display:grid;grid-template-columns:repeat(4,1fr);gap:0 8px;}
  .mobile-nav-panel a{font-size:13px;padding:12px 2px;text-align:center;white-space:nowrap;}
  .mobile-nav-panel .btn-cta{grid-column:auto;padding:12px 2px;}
  .mobile-courses-list{grid-column:1/-1;}
  .mobile-courses-list.open{display:grid;grid-template-columns:repeat(4,1fr);gap:0 8px;padding-left:0;}
  .mobile-courses-list a{font-size:12px;white-space:normal;}
  .footer-nav a,.footer-courses a{word-break:keep-all;}
}

/* ---------- 교육사례 상세 (DUI급 컴포넌트) ---------- */
html{scroll-behavior:smooth;}
.cs{max-width:780px;margin:0 auto;font-size:17.5px;line-height:1.75;color:#3A4048;word-break:keep-all;}
.cs [id]{scroll-margin-top:96px;}
.cs h1{font-size:34px;}
.cs h2{font-size:25px;line-height:1.4;color:#101215;margin:64px 0 20px;}
.cs h3{font-size:18.5px;line-height:1.45;color:#101215;margin:0 0 8px;}
.cs p{margin:0 0 16px;}
.cs .kh-single__title{margin-bottom:20px;}
.cs-fig{margin:32px 0 0;}
.cs-fig img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:center 35%;border-radius:12px;}
.cs-summary{margin:48px 0 0;background:#EEF1F5;border-radius:14px;border-left:5px solid var(--accent);padding:30px 32px;box-shadow:0 6px 20px rgba(42,48,72,.07);}
.cs .cs-summary h2{margin:0 0 14px;font-size:21px;}
.cs-summary ul{margin:0;padding-left:20px;display:grid;gap:10px;}
.cs-toc{margin:48px 0 0;background:#fff;border:1px solid #DDE1E8;border-radius:14px;padding:28px 32px;}
.cs .cs-toc h2{margin:0 0 16px;font-size:21px;}
.cs-toc ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:4px 28px;}
.cs-toc a{display:flex;gap:12px;align-items:baseline;padding:9px 0;border-bottom:1px solid #EEF0F3;color:#101215;font-size:16px;line-height:1.5;}
.cs-toc a:hover{color:var(--accent);text-decoration:underline;}
.cs-toc .n{font-family:var(--serif);font-weight:700;color:#C2A378;font-size:18px;min-width:26px;}
.cs-nums{margin:48px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.cs-num{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:#fff;border:1px solid #DDE1E8;border-radius:14px;padding:24px 10px;box-shadow:0 4px 14px rgba(42,48,72,.06);cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s;}
.cs-num:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 10px 24px rgba(42,48,72,.14);}
.cs-num strong{font-size:44px;line-height:1.1;font-weight:800;color:var(--accent);}
.cs-num small{font-size:16px;font-weight:700;margin-left:2px;}
.cs-num span{margin-top:8px;font-size:15px;color:#5B6169;}
.cs .cs-intro{margin-top:48px;}
.cs-learn{margin:0;padding-left:22px;display:grid;gap:8px;}
.cs-steps{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.cs-step{border:1px solid #DDE1E8;border-radius:14px;padding:26px 24px;background:#fff;}
.cs-step-n{display:block;font-family:var(--serif);font-size:38px;font-weight:700;line-height:1;color:#C2A378;margin-bottom:12px;}
.cs-step p{margin:0;font-size:16px;line-height:1.7;}
.cs-table-wrap{overflow-x:auto;}
.cs-table{width:100%;border-collapse:collapse;font-size:16px;min-width:480px;}
.cs-table th,.cs-table td{padding:14px 16px;border:1px solid #DDE1E8;text-align:left;vertical-align:top;}
.cs-table thead th{background:#EEF1F5;color:#101215;}
.cs-cta{margin:56px 0;background:var(--accent);color:#fff;border-radius:14px;padding:38px 36px;text-align:center;}
.cs-cta-eyebrow{font-size:13px;font-weight:700;letter-spacing:.12em;opacity:.8;margin-bottom:10px;}
.cs-cta p{font-size:21px;font-weight:700;line-height:1.5;margin:0 0 22px;color:#fff;}
.cs-cta-btn{display:inline-block;background:#fff;color:var(--accent);font-weight:800;padding:14px 34px;border-radius:8px;}
.cs-mistakes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.cs-mistake{border:1px solid #E6D9C4;background:#FBF8F2;border-radius:14px;padding:22px 20px;}
.cs-mistake svg{display:block;color:#B7791F;margin-bottom:12px;}
.cs-mistake p{margin:0;font-size:15.5px;line-height:1.65;}
.cs-safety{display:flex;gap:18px;align-items:flex-start;background:#EEF1F5;border:1px solid #DDE1E8;border-radius:14px;padding:26px 28px;}
.cs-safety svg{flex:none;color:var(--accent);}
.cs-safety ul{margin:0;padding-left:20px;display:grid;gap:8px;}
.cs-prep{list-style:none;margin:0;padding:22px 26px;border:1px solid #DDE1E8;background:#fff;border-radius:14px;display:grid;gap:12px;}
.cs-prep li{display:flex;gap:12px;align-items:center;}
.cs-prep svg{flex:none;color:var(--accent);}
.cs-fit{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.cs-fit>div{border:1px solid #DDE1E8;background:#fff;border-radius:14px;padding:24px;}
.cs-fit p{margin:0;font-size:16px;line-height:1.7;}
.cs .kh-gallery{margin:48px 0 0;max-width:none;}
@media(max-width:767px){
  .cs{font-size:16.5px;}
  .cs h1{font-size:25px;}
  .cs h2{font-size:21px;margin-top:52px;}
  .cs-summary,.cs-toc{padding:24px 22px;}
  .cs-toc ol,.cs-steps,.cs-fit,.cs-mistakes{grid-template-columns:1fr;}
  .cs-nums{grid-template-columns:1fr 1fr;}
  .cs-cta{padding:32px 22px;}
  .cs-safety{flex-direction:column;}
}