/* DELIFRE — B2B corporate site */
:root{
  --ink:#0f2433;
  --ink-2:#3d5262;
  --muted:#6b7f8d;
  --line:#e3eaee;
  --bg:#ffffff;
  --bg-soft:#f3f8f8;
  --bg-deep:#0e2a3b;
  --blue:#1670c4;
  --blue-d:#0f5aa3;
  --teal:#1fae9d;
  --teal-l:#e3f5f2;
  --radius:18px;
  --wrap:1200px;
  --shadow:0 18px 40px -22px rgba(15,36,51,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;word-break:keep-all;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal)}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor}
h1,h2,h3{line-height:1.25;letter-spacing:-.02em}
.sec{padding:120px 0}
.sec-head{max-width:720px;margin-bottom:56px}
.sec-head h2{font-size:clamp(28px,3.4vw,42px);font-weight:800;margin:14px 0 16px}
.sec-head p{color:var(--ink-2);font-size:17px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 26px;border-radius:999px;font-weight:700;font-size:15px;transition:.2s;border:1.5px solid transparent;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-d);transform:translateY(-1px)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--ink)}
.btn .arr{transition:.2s}.btn:hover .arr{transform:translateX(3px)}

/* header */
.hd{position:fixed;inset:0 0 auto;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid transparent;transition:.25s}
.hd.scrolled{border-bottom-color:var(--line)}
.hd .wrap{display:flex;align-items:center;height:76px;gap:36px}
.hd .logo img{height:34px;width:auto}
.nav{display:flex;gap:30px;margin-left:auto;font-size:15px;font-weight:600;color:var(--ink-2)}
.nav a:hover{color:var(--blue)}
.hd-cta{display:flex;align-items:center;gap:14px}
.hd-cta .lang{font-size:13px;font-weight:700;color:var(--muted);padding:6px 10px;border:1px solid var(--line);border-radius:8px}
.hd-cta .btn{padding:11px 20px;font-size:14px}
.menu-btn{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer}
.menu-btn span{display:block;width:22px;height:2px;background:var(--ink);margin:5px auto;transition:.2s}

/* hero */
.hero{padding:150px 0 90px;background:linear-gradient(180deg,#fff 0%,var(--bg-soft) 100%);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(36px,4.6vw,60px);font-weight:800;margin:20px 0 22px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--blue),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:18px;color:var(--ink-2);max-width:520px}
.hero .actions{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero .wrap.wrap-facts{display:block}
.hero-visual .ph{border-radius:28px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3;background:#eef1f2}
.hero-visual .ph img{width:100%;height:100%;object-fit:cover}
.hero-badge{position:absolute;left:-26px;bottom:34px;background:#fff;border-radius:16px;padding:16px 20px;box-shadow:var(--shadow);display:flex;align-items:center;gap:14px}
.hero-badge img{width:46px;height:46px;object-fit:contain}
.hero-badge b{display:block;font-size:15px}
.hero-badge small{color:var(--muted);font-size:13px}
.facts{display:grid;grid-template-columns:repeat(4,1fr);margin-top:72px;border-top:1px solid var(--line)}
.facts div{padding:26px 24px 0 0}
.facts b{display:block;font-size:26px;font-weight:800;color:var(--ink)}
.facts span{font-size:14px;color:var(--muted)}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.about-copy p{font-size:17px;color:var(--ink-2);margin-bottom:18px}
.about-copy .quote{font-size:24px;font-weight:700;color:var(--ink);line-height:1.5;margin-bottom:26px}
.about-copy .quote span{color:var(--teal)}
.info-table{border-top:2px solid var(--ink);margin-top:30px}
.info-table div{display:grid;grid-template-columns:110px 1fr;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px}
.info-table dt{color:var(--muted);font-weight:600}
.pillars{display:grid;gap:14px}
.pillar{display:flex;gap:18px;padding:24px;border-radius:var(--radius);background:var(--bg-soft)}
.pillar .n{flex:none;width:42px;height:42px;border-radius:12px;background:#fff;display:grid;place-items:center;font-weight:800;color:var(--teal)}
.pillar h3{font-size:18px;margin-bottom:4px}
.pillar p{font-size:15px;color:var(--ink-2)}
.timeline{margin-top:90px;display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}
.timeline::before{content:"";position:absolute;left:0;right:0;top:9px;height:2px;background:linear-gradient(90deg,var(--teal),var(--blue))}
.tl{position:relative;padding:36px 18px 0 0}
.tl::before{content:"";position:absolute;top:2px;left:0;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--teal)}
.tl.now::before{border-color:var(--blue);background:var(--blue)}
.tl .y{font-size:22px;font-weight:800}
.tl .s{font-size:13px;font-weight:700;color:var(--teal);margin:2px 0 10px}
.tl ul{list-style:none;font-size:14px;color:var(--ink-2)}
.tl li{padding:2px 0}

/* business */
.biz{background:var(--bg-deep);color:#fff}
.biz .sec-head p{color:#b6c8d3}
.biz .eyebrow{color:#5fd6c6}
.biz-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.biz-card{padding:30px 24px;border-radius:var(--radius);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);transition:.25s}
.biz-card:hover{background:rgba(255,255,255,.09);transform:translateY(-4px)}
.biz-card .ic{width:46px;height:46px;border-radius:12px;background:rgba(95,214,198,.15);display:grid;place-items:center;margin-bottom:22px}
.biz-card .ic svg{width:24px;height:24px;stroke:#5fd6c6}
.biz-card h3{font-size:19px;margin-bottom:10px}
.biz-card p{font-size:14.5px;color:#b6c8d3}
.biz-card .tag{display:inline-block;margin-top:14px;font-size:12px;font-weight:700;color:#5fd6c6;letter-spacing:.04em}

/* oem */
.oem-types{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.oem-type{padding:34px;border:1px solid var(--line);border-radius:var(--radius);position:relative;overflow:hidden}
.oem-type .k{font-size:34px;font-weight:800;color:var(--blue);letter-spacing:-.02em}
.oem-type h3{font-size:18px;margin:6px 0 12px}
.oem-type p{font-size:15px;color:var(--ink-2)}
.oem-type ul{list-style:none;margin-top:18px;font-size:14px;color:var(--ink-2)}
.oem-type li{padding:6px 0 6px 22px;position:relative;border-top:1px dashed var(--line)}
.oem-type li::before{content:"";position:absolute;left:2px;top:13px;width:10px;height:6px;border-left:2px solid var(--teal);border-bottom:2px solid var(--teal);transform:rotate(-45deg)}
.cats{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 70px}
.cats span{padding:10px 18px;border-radius:999px;background:var(--teal-l);color:#0d7a6e;font-weight:700;font-size:14px}
.process{display:grid;grid-template-columns:repeat(6,1fr);counter-reset:p;gap:12px}
.step{counter-increment:p;padding:26px 20px;border-radius:var(--radius);background:var(--bg-soft);position:relative}
.step::before{content:"0" counter(p);font-size:13px;font-weight:800;color:var(--teal);letter-spacing:.08em}
.step h4{font-size:17px;margin:10px 0 6px}
.step p{font-size:13.5px;color:var(--ink-2)}
.process-title{font-size:20px;font-weight:800;margin-bottom:20px}

/* brand */
.brand{background:linear-gradient(180deg,#f2f8fd 0%,#fff 100%)}
.brand-top{display:grid;grid-template-columns:auto 1fr auto;gap:40px;align-items:center;margin-bottom:56px}
.brand-top .bl{width:132px;height:132px;border-radius:28px;background:#fff;box-shadow:var(--shadow);display:grid;place-items:center}
.brand-top .bl img{width:92px}
.brand-top h2{font-size:clamp(28px,3.4vw,42px);font-weight:800;margin:10px 0}
.brand-top p{color:var(--ink-2);font-size:17px;max-width:620px}
.brand-top .slogan{font-size:15px;font-weight:700;color:var(--blue);margin-bottom:4px}
.products{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column;transition:.25s}
.prod:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.prod .im{aspect-ratio:1/1;background:#fff;display:grid;place-items:center;overflow:hidden;border-bottom:1px solid var(--line)}
.prod .im img{width:100%;height:100%;object-fit:contain}
.prod .im.cover img{object-fit:cover}
.prod .bd{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.prod .cat{font-size:12px;font-weight:700;color:var(--teal);letter-spacing:.06em}
.prod h3{font-size:18px;margin:6px 0 8px}
.prod p{font-size:14px;color:var(--ink-2);flex:1}
.prod .chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.prod .chips span{font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--bg-soft);color:var(--ink-2)}
.prod.wide{grid-column:span 2}
.prod.wide .row{display:grid;grid-template-columns:1fr 1fr;height:100%}
.prod.wide .im{aspect-ratio:auto;border-bottom:0;border-right:1px solid var(--line)}
.uses{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}
.uses figure{border-radius:var(--radius);overflow:hidden;position:relative;aspect-ratio:1/1}
.uses img{width:100%;height:100%;object-fit:cover}
.uses figcaption{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.92);font-size:13px;font-weight:700;padding:6px 12px;border-radius:999px}

/* quality */
.q-claims{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:46px}
.claim{padding:26px;border-radius:var(--radius);background:var(--bg-soft)}
.claim b{display:block;font-size:28px;font-weight:800;color:var(--blue);letter-spacing:-.02em}
.claim span{font-size:14px;color:var(--ink-2)}
.certs{display:grid;grid-template-columns:repeat(7,1fr);gap:14px}
.cert{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.cert .th{aspect-ratio:3/4;overflow:hidden;background:#f6f7f8;border-bottom:1px solid var(--line)}
.cert .th img{width:100%;height:100%;object-fit:cover;object-position:top;filter:blur(.4px)}
.cert .tx{padding:12px 14px 14px}
.cert .org{font-size:11.5px;font-weight:700;color:var(--teal)}
.cert h4{font-size:13.5px;line-height:1.4;margin:3px 0}
.cert p{font-size:12px;color:var(--muted)}
.q-note{margin-top:20px;font-size:14px;color:var(--muted)}

/* partners */
.partners{background:var(--bg-soft)}
.logos{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.logos div{background:#fff;border-radius:14px;height:110px;display:grid;place-items:center;padding:22px}
.logos img{max-height:56px;max-width:80%;object-fit:contain;filter:grayscale(1);opacity:.7;transition:.2s}
.logos div:hover img{filter:none;opacity:1}
.logos img.tall{max-height:80px}

/* contact */
.contact .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px}
.c-info dl div{display:grid;grid-template-columns:88px 1fr;padding:16px 0;border-bottom:1px solid var(--line);font-size:15.5px}
.c-info dt{color:var(--muted);font-weight:600}
.c-info dd a:hover{color:var(--blue)}
.c-info .mascot{margin-top:36px;display:flex;gap:16px;align-items:center;padding:20px;border-radius:var(--radius);background:var(--teal-l)}
.c-info .mascot img{width:70px}
.c-info .mascot p{font-size:15px;color:#0d6a60;font-weight:600}
form.inq{background:#fff;border:1px solid var(--line);border-radius:24px;padding:38px;box-shadow:var(--shadow)}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.f{margin-bottom:16px;display:flex;flex-direction:column}
.f label{font-size:13.5px;font-weight:700;margin-bottom:7px}
.f label i{color:var(--blue);font-style:normal}
.f input,.f select,.f textarea{font-family:inherit;font-size:15px;padding:13px 15px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);transition:.15s}
.f input:focus,.f select:focus,.f textarea:focus{outline:0;border-color:var(--blue)}
.f textarea{min-height:130px;resize:vertical}
.chk{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);margin:6px 0 22px}
.chk input{margin-top:4px;width:16px;height:16px;accent-color:var(--blue)}
form.inq .btn{width:100%;justify-content:center}
.f-note{font-size:12.5px;color:var(--muted);margin-top:12px;text-align:center}

/* footer */
.ft{background:var(--bg-deep);color:#b6c8d3;padding:60px 0 40px;font-size:14px}
.ft .top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.ft .logos-ft{display:flex;align-items:center;gap:22px}
.ft .logos-ft img{height:30px;width:auto}
.ft .logos-ft img.sg{height:44px}
.ft .info{line-height:1.9}
.ft .info span{margin-right:16px;display:inline-block}
.ft .copy{margin-top:24px;font-size:13px;color:#7f97a6}

/* reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}

/* responsive */
@media (max-width:1100px){
  .biz-grid{grid-template-columns:repeat(3,1fr)}
  .products{grid-template-columns:repeat(3,1fr)}
  .prod.wide{grid-column:span 3}
  .certs{grid-template-columns:repeat(4,1fr)}
  .process{grid-template-columns:repeat(3,1fr)}
  .timeline{grid-template-columns:repeat(3,1fr);row-gap:40px}
  .timeline::before{display:none}
}
@media (max-width:900px){
  .nav,.hd-cta .btn{display:none}
  .menu-btn{display:block}
  .hd-cta{margin-left:auto}
  .nav.open{display:flex;position:absolute;top:76px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 28px 20px}
  .nav.open a{padding:14px 0;border-bottom:1px solid var(--line)}
  .hero .wrap,.about-grid,.contact .wrap{grid-template-columns:1fr}
  .hero{padding-top:120px}
  .hero-badge{left:12px;bottom:12px}
  .facts{grid-template-columns:repeat(2,1fr)}
  .oem-types,.q-claims{grid-template-columns:1fr 1fr}
  .brand-top{grid-template-columns:auto 1fr}
  .brand-top .btn{grid-column:1/-1;justify-self:start}
  .uses{grid-template-columns:repeat(2,1fr)}
  .logos{grid-template-columns:repeat(3,1fr)}
  .sec{padding:84px 0}
}
@media (max-width:620px){
  .wrap{padding:0 20px}
  .biz-grid,.oem-types,.q-claims{grid-template-columns:1fr}
  .process{grid-template-columns:1fr 1fr}
  .products{grid-template-columns:1fr 1fr}
  .prod.wide{grid-column:span 2}
  .prod.wide .row{grid-template-columns:1fr}
  .prod.wide .im{border-right:0;border-bottom:1px solid var(--line);aspect-ratio:1/1}
  .certs{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:1fr 1fr}
  .f-row{grid-template-columns:1fr}
  form.inq{padding:26px}
  .logos{grid-template-columns:repeat(2,1fr)}
  .brand-top{grid-template-columns:1fr}
}

/* ===== multi-page additions ===== */
.nav a.on{color:var(--blue)}
.soft{background:var(--bg-soft)}
.sec-row{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:48px}
.sec-row .sec-head{margin-bottom:0}
.link-more{font-weight:700;font-size:15px;color:var(--blue);white-space:nowrap}
.link-more:hover{text-decoration:underline}
.biz .link-more{color:#5fd6c6}
a.biz-card{display:block}
.phero{padding:150px 0 70px;background:linear-gradient(180deg,#fff 0%,var(--bg-soft) 100%);border-bottom:1px solid var(--line)}
.phero h1{font-size:clamp(32px,4.2vw,52px);font-weight:800;margin:14px 0 18px}
.phero p{font-size:18px;color:var(--ink-2);max-width:680px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:26px}
.crumb a:hover{color:var(--blue)}.crumb span{margin:0 6px;color:#c3ced5}
.cta-band{background:linear-gradient(110deg,var(--blue) 0%,#1590b8 55%,var(--teal) 100%);color:#fff;padding:70px 0}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);font-weight:800;margin-bottom:8px}
.cta-band p{opacity:.88}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--blue)}.btn-white:hover{transform:translateY(-1px)}
.btn-line{border-color:rgba(255,255,255,.55);color:#fff}.btn-line:hover{background:rgba(255,255,255,.12)}
.ft-nav{display:flex;gap:20px;flex-wrap:wrap;margin-top:22px;font-weight:600;color:#d6e2e9}
.ft-nav a:hover{color:#fff}
.ft .bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-top:22px}
.ft .bottom .copy{margin:0}
.ft .pv{font-weight:700;color:#fff;font-size:13px}
/* product cards as links */
a.prod{color:inherit}
.prod .more{margin-top:14px;font-size:13px;font-weight:700;color:var(--blue)}
.prod.hide{display:none}
/* about */
.vision-t{font-size:22px;font-weight:800;margin:14px 0 22px}
.timeline{margin-top:0}
.org{display:flex;flex-direction:column;align-items:center}
.ceo{background:var(--ink);color:#fff;font-weight:800;padding:14px 46px;border-radius:999px;letter-spacing:.1em;position:relative}
.ceo::after{content:"";position:absolute;left:50%;top:100%;width:2px;height:30px;background:#c9d6dd}
.depts{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:30px;width:100%;padding-top:30px;border-top:2px solid #c9d6dd}
.dept{background:var(--bg-soft);border-radius:var(--radius);padding:22px 18px}
.dept h4{font-size:16px;margin-bottom:10px;color:var(--blue)}
.dept ul{list-style:none;font-size:14px;color:var(--ink-2)}
.dept li{padding:4px 0;border-top:1px dashed var(--line)}
.dept li:first-child{border-top:0}
.map-wrap{display:grid;grid-template-columns:1.5fr 1fr;gap:28px;align-items:stretch}
.map-wrap iframe{width:100%;min-height:380px;border:0;border-radius:var(--radius);background:#e8eef1}
.map-info div{display:grid;grid-template-columns:70px 1fr;padding:16px 0;border-bottom:1px solid var(--line);font-size:15.5px}
.map-info dt{color:var(--muted);font-weight:600}
/* business */
.channels{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px}
.channels span{padding:8px 16px;border-radius:999px;border:1.5px solid var(--line);font-weight:700;font-size:13px;color:var(--ink-2)}
.biz-row{display:grid;grid-template-columns:90px 1.3fr 1fr;gap:40px;padding:44px 0;border-top:1px solid var(--line);align-items:start}
.biz-row:last-child{border-bottom:1px solid var(--line)}
.biz-num{font-size:44px;font-weight:800;color:var(--teal);line-height:1}
.biz-main h3{font-size:26px;margin:10px 0 12px}
.biz-main p{color:var(--ink-2);margin-bottom:16px}
.biz-list{list-style:none;background:var(--bg-soft);border-radius:var(--radius);padding:18px 22px}
.biz-list li{padding:9px 0 9px 24px;position:relative;font-size:15px;border-top:1px dashed var(--line)}
.biz-list li:first-child{border-top:0}
.biz-list li::before{content:"";position:absolute;left:2px;top:16px;width:10px;height:6px;border-left:2px solid var(--teal);border-bottom:2px solid var(--teal);transform:rotate(-45deg)}
/* oem */
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cap{background:#fff;border-radius:var(--radius);padding:26px;border:1px solid var(--line)}
.cap h4{font-size:16px;margin-bottom:8px}
.cap p{font-size:14.5px;color:var(--ink-2)}
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px}
.faq{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font-weight:700;font-size:16.5px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:18px;font-size:24px;font-weight:400;color:var(--blue);transition:.2s}
.faq[open] summary::after{transform:rotate(45deg)}
.faq p{padding:0 0 22px;color:var(--ink-2)}
/* brand */
.story{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center}
.story-img{border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.story-logo{width:80px;margin-bottom:20px}
.story-tx h2{font-size:clamp(26px,3vw,36px);font-weight:800;margin-bottom:20px}
.story-tx p{color:var(--ink-2);margin-bottom:14px;font-size:16.5px}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.ft-btn{font-family:inherit;font-size:14px;font-weight:700;padding:10px 18px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer}
.ft-btn.on{background:var(--ink);border-color:var(--ink);color:#fff}
.grid-list{grid-template-columns:repeat(4,1fr)}
/* product detail */
.pd-hero{padding:120px 0 80px;background:linear-gradient(180deg,#fff 0%,var(--bg-soft) 100%)}
.pd-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.pd-img{background:#fff;border-radius:28px;aspect-ratio:1/1;display:grid;place-items:center;overflow:hidden;box-shadow:var(--shadow)}
.pd-img img{width:100%;height:100%;object-fit:contain}
.pd-img.cover img{object-fit:cover}
.pd-tx .cat{font-size:13px;font-weight:700;color:var(--teal);letter-spacing:.06em}
.pd-tx h1{font-size:clamp(30px,3.6vw,44px);font-weight:800;margin:8px 0 16px}
.pd-lead{font-size:17px;color:var(--ink-2)}
.pd-tx .chips{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 6px}
.pd-tx .chips span{font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;background:var(--teal-l);color:#0d7a6e}
.pd-tx .info-table{margin-top:24px}
.pd-tx .actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.feats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}
.feat{padding:28px 24px;border-radius:var(--radius);border:1px solid var(--line)}
.feat .fn{font-size:13px;font-weight:800;color:var(--teal)}
.feat h4{font-size:18px;margin:8px 0 8px}
.feat p{font-size:14.5px;color:var(--ink-2)}
.uses-1{grid-template-columns:1fr}.uses-2{grid-template-columns:repeat(2,1fr)}.uses-3{grid-template-columns:repeat(3,1fr)}
.uses-1 figure{aspect-ratio:16/7}
.certs-sm{grid-template-columns:repeat(4,1fr);max-width:860px}
/* quality */
.q-process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.qp{padding:26px;border:1px solid var(--line);border-radius:var(--radius)}
.qp i{font-style:normal;font-weight:800;font-size:13px;color:var(--teal)}
.qp h4{font-size:17px;margin:8px 0 6px}.qp p{font-size:14px;color:var(--ink-2)}
.certs{grid-template-columns:repeat(4,1fr);gap:18px}
/* legal */
.legal{max-width:820px}
.legal h3{font-size:18px;margin:34px 0 10px}
.legal p{color:var(--ink-2);font-size:15.5px}
.chk a{color:var(--blue);text-decoration:underline}
@media (max-width:1100px){
  .depts{grid-template-columns:repeat(3,1fr)}
  .grid-list,.feats,.cap-grid,.q-process{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .sec-row{flex-direction:column;align-items:flex-start}
  .phero{padding:120px 0 50px}
  .pd-hero{padding:100px 0 60px}
  .pd-grid,.story,.map-wrap,.cat-grid,.faq-wrap{grid-template-columns:1fr;gap:34px}
  .biz-row{grid-template-columns:60px 1fr;gap:20px}
  .biz-list{grid-column:2}
  .certs-sm{grid-template-columns:repeat(2,1fr)}
  .uses-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:620px){
  .depts{grid-template-columns:1fr 1fr}
  .grid-list{grid-template-columns:1fr 1fr}
  .feats,.cap-grid,.q-process{grid-template-columns:1fr}
  .biz-row{grid-template-columns:1fr}.biz-list{grid-column:auto}
  .biz-num{font-size:32px}
  .certs{grid-template-columns:repeat(2,1fr)}
  .uses-2,.uses-3{grid-template-columns:1fr 1fr}
  .cta-band{padding:54px 0}
}
.terms{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.terms span{padding:12px 20px;border-radius:12px;background:#fff;border:1.5px solid var(--blue);color:var(--blue-d);font-size:15px}
.terms b{font-weight:800;margin-right:8px}
.cap-key{border:1.5px solid var(--blue)}
.cap .big{font-size:24px;font-weight:800;color:var(--blue);margin-bottom:4px}
.phero-img{margin-top:44px;border-radius:24px;overflow:hidden;aspect-ratio:21/8;box-shadow:var(--shadow)}
.phero-img img{width:100%;height:100%;object-fit:cover}
.capa{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.capa-card{display:block;border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);transition:.25s}
.capa-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.capa-card .ci{aspect-ratio:16/10;overflow:hidden}
.capa-card .ci img{width:100%;height:100%;object-fit:cover;transition:.4s}
.capa-card:hover .ci img{transform:scale(1.04)}
.capa-card .ct{padding:24px 24px 28px}
.capa-card h3{font-size:20px;margin:8px 0}
.capa-card p{font-size:14.5px;color:var(--ink-2)}
.biz-side{display:flex;flex-direction:column;gap:14px}
.biz-img{border-radius:var(--radius);overflow:hidden;aspect-ratio:16/9}
.biz-img img{width:100%;height:100%;object-fit:cover}
@media (max-width:900px){.capa{grid-template-columns:1fr}.biz-side{grid-column:2}.phero-img{aspect-ratio:16/9}}
@media (max-width:620px){.biz-side{grid-column:auto}}