:root{
  --navy:#0B1F3A;
  --navy-2:#132C52;
  --navy-3:#08182E;
  --accent:#FF4D2E;
  --accent-d:#E03A1E;
  --wa:#25D366;
  --wa-d:#1EBE5A;
  --bg:#FFFFFF;
  --bg-alt:#F5F7FA;
  --line:#E3E8EF;
  --txt:#0B1F3A;
  --mut:#5A6B80;
  --r:14px;
  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  margin:0;background:var(--bg);color:var(--txt);line-height:1.65;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Hiragino Sans","Yu Gothic UI","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.hdr{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.93);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.hdr-in{display:flex;align-items:center;gap:18px;height:68px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-logo{height:58px;width:auto;display:block}
.ftr-logo{height:30px;width:auto;vertical-align:middle;margin-right:6px}
.ftr-brand{display:inline-flex;align-items:center}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:var(--navy);
  display:grid;place-items:center;flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.brand-txt strong{display:block;font-size:16px;letter-spacing:-.01em;line-height:1.25}
.brand-txt small{display:block;font-size:10.5px;color:var(--mut);letter-spacing:.08em;text-transform:uppercase;line-height:1.3}
.nav{display:flex;gap:24px;margin-left:auto}
.nav a{font-size:14px;color:var(--mut);font-weight:500;padding:6px 0;border-bottom:2px solid transparent;transition:.16s}
.nav a:hover{color:var(--navy);border-bottom-color:var(--accent)}
.hdr-right{display:flex;align-items:center;gap:12px}

.lang{
  display:flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;
  padding:6px 10px;background:#fff;transition:.16s;
}
.lang:hover{border-color:#CFD9E6}
.lang svg{width:15px;height:15px;flex-shrink:0;stroke:var(--mut);fill:none;stroke-width:1.7}
.lang select{
  border:0;background:transparent;font:inherit;font-size:13px;font-weight:500;color:var(--navy);
  outline:none;cursor:pointer;padding:0 2px 0 0;max-width:118px;
}
.burger{
  display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:#fff;
  flex-direction:column;gap:4px;align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.burger span{display:block;width:16px;height:2px;background:var(--navy);border-radius:2px;transition:.18s}
.burger.on span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;font-weight:600;font-size:14px;padding:10px 20px;
  border:1px solid transparent;cursor:pointer;transition:.18s;white-space:nowrap;
  font-family:inherit;text-align:center;
}
.btn svg{width:17px;height:17px;flex-shrink:0}
.btn-lg{padding:14px 28px;font-size:15px}
.btn-sm{padding:8px 16px;font-size:13px}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-d)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--navy)}
.btn-ghost:hover{border-color:var(--navy)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{background:var(--wa-d)}
.btn-wa svg{fill:#fff;stroke:none}

/* ---------- hero ---------- */
.hero{background:var(--navy);color:#fff;overflow:hidden;position:relative}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(900px 480px at 8% -10%,rgba(255,77,46,.18),transparent 62%);
}
.hero-in{
  display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
  padding:74px 22px 78px;position:relative;z-index:1;
}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.badges span{
  font-size:12px;font-weight:600;letter-spacing:.02em;padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#DCE6F5;
}
.hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.12;letter-spacing:-.022em;margin:0 0 18px;font-weight:700}
.hero .lead{font-size:clamp(15px,1.6vw,17.5px);color:#B7C6DC;margin:0 0 30px;max-width:570px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:42px}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.28)}
.hero .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.07)}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  border-top:1px solid rgba(255,255,255,.14);padding-top:26px;
}
.hero-stats b{display:block;font-size:clamp(19px,2.3vw,27px);letter-spacing:-.02em;line-height:1.2}
.hero-stats span{display:block;font-size:11.5px;color:#8FA3C0;line-height:1.45;margin-top:5px}
.hero-img{border-radius:20px;overflow:hidden;box-shadow:0 34px 74px rgba(0,0,0,.4);aspect-ratio:1/1}
.hero-img img{width:100%;height:100%;object-fit:cover}

/* ---------- sections ---------- */
.sec{padding:86px 0}
.sec-alt{background:var(--bg-alt)}
.sec-dark{background:var(--navy);color:#fff}
.sec-head{max-width:740px;margin-bottom:46px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 12px}
.sec h2{font-size:clamp(24px,3vw,36px);letter-spacing:-.022em;line-height:1.2;margin:0 0 14px;font-weight:700}
.sec .sub{font-size:16px;color:var(--mut);margin:0}
.sec-dark .sub{color:#9FB2CC}
.note{font-size:13px;color:var(--mut);margin-top:24px}
.sec-dark .note{color:#8296B3}

/* ---------- product grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:22px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(11,31,58,.1);border-color:#CFD9E6}
.card-img{position:relative;aspect-ratio:1/1;background:#EEF2F7;cursor:zoom-in;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .card-img img{transform:scale(1.045)}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.card h3{font-size:15.5px;margin:0 0 6px;font-weight:600;letter-spacing:-.01em;line-height:1.4}
.card p{font-size:13px;color:var(--mut);margin:0 0 14px;flex:1;line-height:1.55}
.card .btn{align-self:flex-start}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 20px 22px}
.step b{
  display:grid;place-items:center;width:32px;height:32px;border-radius:50%;
  background:var(--navy);color:#fff;font-size:13.5px;margin-bottom:15px;font-weight:600;
}
.step h4{margin:0 0 8px;font-size:15px;font-weight:600;line-height:1.4}
.step p{margin:0;font-size:13px;color:var(--mut);line-height:1.55}

/* ---------- factory ---------- */
.fac-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-bottom:50px}
.fac-item{border-top:2px solid var(--accent);padding-top:20px}
.fac-item h4{margin:0 0 9px;font-size:16px;font-weight:600}
.fac-item p{margin:0;font-size:14px;color:#9FB2CC;line-height:1.62}
.photo-title{font-size:14px;font-weight:600;color:#fff;margin:0 0 7px}
.photo-note{font-size:13px;color:#8296B3;margin:0 0 20px;max-width:680px;line-height:1.6}
.photo-slots{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.photo-slot{
  margin:0;border:1px solid rgba(255,255,255,.14);border-radius:10px;overflow:hidden;
  background:rgba(255,255,255,.045);
}
.photo-slot img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}
.photo-slot figcaption{
  font-size:12px;color:#AFC2DC;text-align:center;padding:9px 10px;line-height:1.35;
}
/* ---------- factory video / certificates / partners ---------- */
.video-wrap{max-width:880px;margin:0 auto}
.video-wrap video{width:100%;display:block;border-radius:14px;background:#000;box-shadow:0 18px 50px rgba(11,31,58,.16)}
.video-ph{
  aspect-ratio:16/9;border:2px dashed #C4D0E0;border-radius:14px;background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  color:var(--mut);text-align:center;padding:24px;
}
.video-ph svg{width:62px;height:62px;color:#9AAAC0}
.video-ph p{margin:0;font-size:.95rem;max-width:440px;line-height:1.6}
.cert-fig{margin:0;text-align:center}
.cert-fig img{
  width:100%;max-width:1080px;margin:0 auto;border-radius:14px;cursor:zoom-in;
  box-shadow:0 18px 50px rgba(11,31,58,.14);
}
.part-fig{margin:0;text-align:center}
.part-fig img{
  width:100%;max-width:820px;margin:0 auto;border-radius:14px;background:#fff;
  border:1px solid var(--line);padding:34px 26px;
  box-shadow:0 14px 40px rgba(11,31,58,.07);
}

/* ---------- cases ---------- */
.cases{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.case{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:0;overflow:hidden;display:flex;flex-direction:column}
.case>img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;border-bottom:1px solid var(--line)}
.case-bd{padding:20px 22px 24px}
.case h4{margin:0 0 11px;font-size:16px;font-weight:600;line-height:1.4}
.case p{margin:0;font-size:14px;color:var(--mut);line-height:1.62}

/* ---------- global exhibitions ---------- */
.expo-sec{background:#E3F1FC}
.expo-box{position:relative;max-width:980px;margin:0 auto}
.expo-ph{
  aspect-ratio:16/8;border:2px dashed #AECFEB;border-radius:14px;background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  color:var(--mut);text-align:center;padding:24px;
}
.expo-ph svg{width:60px;height:60px;color:#8FB3D9}
.expo-ph p{margin:0;font-size:.95rem;max-width:460px;line-height:1.6}
.expo-slide{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 16px 42px rgba(11,31,58,.1)}
.expo-slide img{width:100%;display:block}
.expo-cap{
  text-align:center;font-weight:600;font-size:15px;color:var(--txt);
  padding:14px 16px 18px;margin:0;
}
.expo-nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:2;
  width:42px;height:42px;border-radius:50%;background:#fff;border:1px solid var(--line);
  box-shadow:0 8px 20px rgba(11,31,58,.14);color:var(--navy);font-size:16px;
  display:grid;place-items:center;cursor:pointer;transition:.16s;
}
.expo-nav:hover{color:var(--accent);box-shadow:0 10px 24px rgba(11,31,58,.2)}
.expo-prev{left:-14px}
.expo-next{right:-14px}
.expo-dots{display:flex;justify-content:center;gap:10px;margin-top:22px}
.expo-dot{
  width:10px;height:10px;border-radius:50%;border:0;padding:0;cursor:pointer;
  background:#B9CFE4;transition:.2s;
}
.expo-dot.on{background:var(--accent);transform:scale(1.25)}

/* ---------- chamois pad options (inside process section) ---------- */
.pad-block{
  margin-top:52px;background:#E3F1FC;border-radius:16px;padding:36px 34px 30px;
}
.pad-heading{font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--navy);margin:0 0 8px;text-align:center}
.pad-sub{text-align:center;color:#4A6785;font-size:14.5px;line-height:1.6;margin:0 auto 24px;max-width:640px}
.pad-carousel{position:relative;max-width:980px;margin:0 auto}
.pad-page{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pad-page.acc{grid-template-columns:1fr}
.pad-card.acc img{aspect-ratio:auto;width:100%}
.pad-card{
  background:#fff;border-radius:10px;overflow:hidden;margin:0;
  box-shadow:0 8px 22px rgba(11,31,58,.08);display:flex;flex-direction:column;
}
.pad-card img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.pad-card figcaption{
  font-size:11.5px;font-weight:600;color:#33475C;letter-spacing:.02em;
  padding:10px 12px 12px;line-height:1.45;text-align:center;min-height:44px;
  display:flex;align-items:center;justify-content:center;
}
.pad-nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:2;
  width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--line);
  box-shadow:0 8px 20px rgba(11,31,58,.14);color:var(--navy);font-size:15px;
  display:grid;place-items:center;cursor:pointer;transition:.16s;
}
.pad-nav:hover{color:var(--accent);box-shadow:0 10px 24px rgba(11,31,58,.2)}
.pad-prev{left:-16px}
.pad-next{right:-16px}
.pad-dots{display:flex;justify-content:center;gap:10px;margin-top:22px}
.pad-dot{
  width:10px;height:10px;border-radius:50%;border:0;padding:0;cursor:pointer;
  background:#B9CFE4;transition:.2s;
}
.pad-dot.on{background:var(--accent);transform:scale(1.25)}
@media (max-width:720px){
  .pad-page{grid-template-columns:repeat(2,1fr)}
  .pad-block{padding:26px 18px 24px}
  .pad-prev{left:-6px}.pad-next{right:-6px}
}

/* ---------- contact ---------- */
.contact-in{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:start}
.ct-txt h2{font-size:clamp(24px,3vw,34px);letter-spacing:-.022em;line-height:1.2;margin:0 0 14px;font-weight:700}
.ct-txt .sub{font-size:16px;color:var(--mut);margin:0 0 30px}
.ct-act{margin-bottom:6px}
.ct-act .btn{width:100%}
@media(min-width:641px){.ct-act .btn{width:auto;min-width:270px}}
.hint{font-size:12.5px;color:var(--mut);margin:8px 0 22px}
.ct-meta{margin-top:28px;display:grid;gap:9px;padding-top:24px;border-top:1px solid var(--line)}
.ct-meta div{font-size:13.5px;color:var(--mut)}
.ct-meta b{color:var(--navy);font-weight:600}
.ct-form{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 28px;
  display:flex;flex-direction:column;gap:16px;box-shadow:0 14px 40px rgba(11,31,58,.06);
}
.ct-form label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:600;color:var(--navy)}
.ct-form input,.ct-form textarea{
  font-family:inherit;font-size:14px;padding:11px 14px;border:1px solid var(--line);
  border-radius:10px;background:#FBFCFE;outline:none;color:var(--txt);resize:vertical;transition:.16s;
}
.ct-form input:focus,.ct-form textarea:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(255,77,46,.1)}
.ct-form .note{margin:0}

/* ---------- footer ---------- */
.ftr{background:var(--navy-3);color:#7C90AD;padding:36px 0;font-size:13px}
.ftr-in{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center}
.ftr a:hover{color:#fff}

/* ---------- floating whatsapp ---------- */
.wa-float{
  position:fixed;right:20px;bottom:20px;z-index:70;width:56px;height:56px;border-radius:50%;
  background:var(--wa);display:grid;place-items:center;
  box-shadow:0 12px 28px rgba(37,211,102,.44);transition:.2s;
}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:29px;height:29px;fill:#fff}

/* ---------- lightbox ---------- */
.lb{position:fixed;inset:0;z-index:100;background:rgba(6,14,26,.93);display:none;place-items:center;padding:24px}
.lb.on{display:grid}
.lb img{max-width:min(92vw,900px);max-height:86vh;border-radius:14px}
.lb-x{
  position:absolute;top:16px;right:22px;color:#fff;font-size:32px;line-height:1;
  cursor:pointer;background:none;border:0;font-family:inherit;opacity:.8;
}
.lb-x:hover{opacity:1}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .hero-in{grid-template-columns:1fr;gap:36px;padding:52px 22px 60px}
  .hero-img{aspect-ratio:16/10;order:-1}
  .steps{grid-template-columns:repeat(2,1fr)}
  .fac-grid{grid-template-columns:1fr;gap:24px}
  .cases{grid-template-columns:repeat(2,1fr);gap:14px}
  .contact-in{grid-template-columns:1fr;gap:38px}
  .photo-slots{grid-template-columns:repeat(3,1fr)}
  .nav{
    display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;
    background:#fff;padding:6px 22px 18px;border-bottom:1px solid var(--line);
    box-shadow:0 18px 34px rgba(11,31,58,.09);
  }
  .nav.open{display:flex}
  .nav a{padding:13px 0;border-bottom:1px solid var(--line);font-size:15px}
  .burger{display:flex}
}
@media(max-width:640px){
  .sec{padding:62px 0}
  .wrap{padding:0 18px}
  .hdr-in{gap:10px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:16px}
  .steps{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(2,1fr);gap:13px}
  .card-body{padding:12px 13px 14px}
  .card h3{font-size:13.5px}
  .card p{font-size:12px;margin-bottom:11px}
  .card .btn{font-size:12px;padding:7px 13px}
  .photo-slots{grid-template-columns:repeat(2,1fr)}
  .brand-txt small{display:none}
  .hdr-right .btn-sm{display:none}
  .lang{padding:5px 8px}
  .lang select{max-width:78px}
  .ct-form{padding:24px 20px}
}

/* ---------- hero banner (v27) ---------- */
.hero::after{display:none}
.hero-banner{display:block;width:100%;height:auto;position:relative;z-index:1}
.hero-strip{position:relative;z-index:1;padding:24px 0 34px}
.hero-strip-in{display:flex;flex-wrap:wrap;gap:24px 40px;align-items:center;justify-content:space-between}
.strip-left .badges{margin-bottom:14px}
.hero-strip .hero-cta{margin-bottom:0}
.hero-strip .hero-stats{flex:1 1 420px;max-width:660px}

/* ---------- hero band rebuilt (v28, crisp text) ---------- */
.hero-banner{display:none}
.hero-band{position:relative;z-index:1;display:grid;grid-template-columns:44% 56%;min-height:460px}
.band-txt{background:var(--navy);color:#fff;display:flex;flex-direction:column;justify-content:center;padding:56px 52px}
.band-eyebrow{font-size:13px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
.band-title{font-size:clamp(26px,3.4vw,44px);line-height:1.14;letter-spacing:-.02em;font-weight:500;margin:0 0 26px}
.band-points{list-style:none;margin:0;padding:0}
.band-points li{font-size:clamp(14px,1.5vw,17px);color:#C7D4E8;padding:9px 0 9px 30px;position:relative;line-height:1.45}
.band-points li::before{content://////;position:absolute;left:2px;top:16px;width:12px;height:7px;border-left:2.5px solid var(--accent);border-bottom:2.5px solid var(--accent);transform:rotate(-45deg)}
.band-img{position:relative;overflow:hidden;min-height:300px}
.band-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
@media (max-width:980px){
  .hero-band{grid-template-columns:1fr;min-height:0}
  .band-img{order:-1;min-height:220px;height:34vh}
  .band-txt{padding:34px 22px 38px}
}