/* ========== BLOO POWER — clean energy theme ========== */
:root{
  --primary:#183A95;
  --primary-dark:#102a70;
  --accent:#f9b233;
  --dark:#0f1724;
  --text:#2a2a2a;
  --text-light:#555;
  --muted:#858b98;
  --border:#e5e8ee;
  --bg:#fff;
  --bg-soft:#f4f7ff;
  --bg-dark:#111;
  --radius:6px;
  --container:1200px;
  --shadow-sm:0 2px 8px rgba(0,0,0,.06);
  --shadow-md:0 8px 24px rgba(0,0,0,.09);
}
*,*:before,*:after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter','Helvetica Neue',Arial,sans-serif;
  color:var(--text);background:var(--bg);
  font-size:15px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:.2s}
a:hover{color:var(--primary)}
ul{list-style:none;margin:0;padding:0}
button{font-family:inherit;cursor:pointer;border:none;background:none}
#translate,
#translateSelectLanguage,
.translateSelectLanguage{display:none!important}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* === Buttons === */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 26px;background:var(--primary);color:#fff;
  border-radius:3px;font-weight:600;font-size:13px;
  letter-spacing:.8px;text-transform:uppercase;transition:.25s;
}
.btn:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 6px 16px rgba(24,58,149,.35)}
.btn--ghost{background:transparent;border:2px solid #fff;color:#fff}
.btn--ghost:hover{background:#fff;color:var(--primary)}
.btn--dark{background:var(--dark);color:#fff}
.btn--dark:hover{background:#000}
.btn--lg{padding:14px 34px;font-size:14px}

/* === Sections === */
.section{padding:70px 0}
.section--soft{background:var(--bg-soft)}
.section--dark{background:var(--bg-dark);color:#e6e6e6}
.section--dark .section-title{color:#fff}
.section-eyebrow{
  display:block;text-align:center;font-size:12px;letter-spacing:3px;
  text-transform:uppercase;color:var(--primary);font-weight:600;
  margin-bottom:10px;
}
.section-eyebrow:before,.section-eyebrow:after{
  content:"";display:inline-block;vertical-align:middle;
  width:30px;height:1px;background:var(--primary);margin:0 10px;
}
.section-title{
  text-align:center;font-size:34px;font-weight:700;color:#222;
  margin:0 0 12px;letter-spacing:.3px;
}
.section-subtitle{
  text-align:center;color:var(--text-light);
  max-width:760px;margin:0 auto 44px;font-size:14px;
}

/* === Header === */
.site-header{background:#fff;position:sticky;top:0;z-index:100}
.header-top{
  background:var(--primary);color:#fff;
  font-size:12px;letter-spacing:.5px;
}
.header-top .container{
  display:flex;justify-content:space-between;align-items:center;padding:7px 24px;
}
.header-top a{color:#fff}
.header-top a:hover{color:var(--accent)}
.header-top .contact-info{display:flex;gap:20px}
.header-top .contact-info span{display:inline-flex;align-items:center;gap:6px}
.header-top .socials{display:flex;align-items:center;gap:12px}
.header-top .socials a{opacity:.85;font-size:13px}
.header-top .socials a:hover{opacity:1}
.language-switch{position:relative;line-height:1}
.language-switch>a{display:inline-flex;align-items:center;gap:4px}
.language-menu{
  position:absolute;top:calc(100% + 8px);right:0;min-width:108px;
  background:#fff;color:var(--text);box-shadow:var(--shadow-md);
  padding:5px 0;border-top:2px solid var(--accent);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:.2s;z-index:120;
}
.language-switch:hover .language-menu{opacity:1;visibility:visible;transform:translateY(0)}
.header-top .language-menu a{
  display:block;color:var(--text);padding:5px 12px;font-size:12px;line-height:1.5;
  white-space:nowrap;opacity:1;
}
.header-top .language-menu a:hover{background:var(--bg-soft);color:var(--primary)}

.header-main{
  max-width:var(--container);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:92px;height:58px;flex-shrink:0;
  background:center/contain no-repeat;
  display:block;
}
.logo-mark:before{content:none}
.logo-text{display:none;font-weight:800;font-size:19px;color:#111827;line-height:1;letter-spacing:1px}
.logo-text small{
  display:block;font-size:10px;letter-spacing:2px;
  color:var(--primary);font-weight:600;margin-top:4px;
}

.main-nav>ul{display:flex;align-items:center;gap:0}
.main-nav>ul>li{position:relative}
.main-nav>ul>li+li:before{
  content:"";position:absolute;left:0;top:50%;
  width:1px;height:16px;background:rgba(17,24,39,.32);
  transform:translateY(-50%);
}
.main-nav a{
  display:block;padding:14px 14px;
  font-size:13px;font-weight:600;color:#333;
  letter-spacing:.8px;text-transform:uppercase;position:relative;
}
.main-nav a:hover{color:var(--primary)}
.main-nav li.active>a,
.main-nav a.active{color:var(--primary)}
.main-nav li.active>a:after,
.main-nav a.active:after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;
  height:2px;background:var(--primary);
}
.main-nav .sub-caret{
  font-size:9px;color:var(--muted);
  margin-left:5px;transition:transform .2s;
}
.main-nav li.has-sub:hover>a .sub-caret{transform:rotate(180deg);color:var(--primary)}
.main-nav li.has-sub{position:relative}
.main-nav .sub-menu{
  position:absolute;top:100%;left:0;min-width:260px;
  background:#fff;border-top:2px solid var(--primary);
  box-shadow:var(--shadow-md);padding:10px 0;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:.2s;z-index:50;
}
.main-nav li.has-sub:hover .sub-menu{opacity:1;visibility:visible;transform:translateY(0)}
.main-nav .sub-menu a{padding:8px 20px;font-size:12px;text-transform:none;letter-spacing:.3px;font-weight:500}
.main-nav .sub-menu a:hover{background:var(--bg-soft);color:var(--primary)}

.header-actions{display:flex;align-items:center;gap:12px}
.search-box{position:relative}
.search-box input{
  width:190px;padding:9px 36px 9px 14px;
  border:1px solid var(--border);border-radius:22px;
  font-size:13px;font-family:inherit;outline:none;transition:.2s;
}
.search-box input:focus{border-color:var(--primary);width:230px}
.search-box .search-btn{
  position:absolute;right:4px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;color:var(--text-light);
  display:grid;place-items:center;
}
.mobile-toggle{display:none}

/* === Hero === */
.hero{
  position:relative;min-height:620px;color:#fff;overflow:hidden;
  background:linear-gradient(135deg,#183A95,#102a70) center/cover no-repeat;
}
.hero:before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,.15) 70%);
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:url('../../img/dongneng-hero-generated.png') center/cover no-repeat;
}
.hero .container{position:relative;z-index:2;padding:110px 24px;min-height:620px;display:flex;align-items:center}
.hero-content{max-width:640px}
.hero .eyebrow{
  display:inline-block;padding:6px 18px;
  background:rgba(24,58,149,.25);
  border:1px solid var(--primary);
  color:#dce6ff;border-radius:30px;
  font-size:12px;letter-spacing:2px;text-transform:uppercase;
  margin-bottom:22px;
}
.hero h1{
  font-size:62px;font-weight:800;line-height:1.08;
  margin:0 0 20px;letter-spacing:-.5px;
}
.hero h1 span{color:var(--primary);display:block}
.hero p.lead{font-size:17px;max-width:560px;color:#dce3f5;margin:0 0 36px;line-height:1.75}
.hero .hero-ctas{display:flex;gap:14px;flex-wrap:wrap}

.hero-stats{
  position:absolute;left:0;right:0;bottom:0;z-index:3;
  background:rgba(0,0,0,.55);backdrop-filter:blur(6px);
  border-top:1px solid rgba(255,255,255,.1);
}
.hero-stats .row{
  max-width:var(--container);margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
}
.hero-stats .item{
  padding:22px 24px;color:#fff;border-right:1px solid rgba(255,255,255,.15);
  display:flex;align-items:center;gap:14px;
}
.hero-stats .item:last-child{border-right:none}
.hero-stats .ico{
  width:48px;height:48px;border-radius:50%;
  background:var(--primary);display:grid;place-items:center;
  font-size:18px;flex-shrink:0;
}
.hero-stats .num{font-size:22px;font-weight:800;line-height:1}
.hero-stats .lbl{font-size:12px;color:#c6d1e6;margin-top:3px;letter-spacing:.3px}

/* === Page banner === */
.page-banner{
  min-height:300px;color:#fff;position:relative;
  background:linear-gradient(135deg,#183A95,#102a70) center/cover;
  display:flex;align-items:center;
}
.page-banner:before{
  content:"";position:absolute;inset:0;
  background:rgba(16,42,112,.55) url('../image/dongneng-products-resin-banner.png') center/cover no-repeat;
  background-blend-mode:multiply;opacity:.6;z-index:0;
}
.page-banner .container{position:relative;z-index:1;padding:50px 24px}
.page-banner h1{font-size:42px;margin:0 0 10px;font-weight:800;letter-spacing:.3px}
.page-banner .crumb{font-size:13px;color:#c6d1e6;letter-spacing:.5px}
.page-banner .crumb a{color:#fff}
.page-banner .crumb a:hover{color:var(--accent)}

/* === Feature strip (certifications, OEM etc) === */
.feature-strip{background:#fff;padding:30px 0;border-bottom:1px solid var(--border)}
.feature-strip .row{
  display:grid;grid-template-columns:repeat(6,1fr);gap:20px;
}
.feature-strip .item{
  display:flex;gap:12px;align-items:center;
  font-size:12px;line-height:1.4;color:var(--text-light);
  padding:10px;border-right:1px dashed var(--border);
}
.feature-strip .item:last-child{border-right:none}
.feature-strip .ico{
  width:44px;height:44px;border-radius:8px;
  background:var(--bg-soft);color:var(--primary);
  display:grid;place-items:center;font-size:18px;flex-shrink:0;
}
.feature-strip b{display:block;color:#222;font-size:13px;margin-bottom:2px}

/* === Why Choose Us === */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.why-card{
  padding:38px 24px 30px;background:#fff;border-radius:12px;
  text-align:center;border:1px solid var(--border);
  transition:.25s;position:relative;overflow:hidden;
}
.why-card:before{
  content:"";position:absolute;top:-30px;right:-30px;
  width:120px;height:120px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),transparent);opacity:.08;
  transition:.3s;
}
.why-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--primary)}
.why-card:hover:before{opacity:.15;transform:scale(1.3)}
.why-icon{
  width:72px;height:72px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),#102a70);
  color:#fff;font-size:28px;display:grid;place-items:center;
  margin:0 auto 20px;box-shadow:0 6px 16px rgba(24,58,149,.3);
}
.why-card h3{font-size:17px;margin:0 0 12px;color:#111827;font-weight:700}
.why-card p{font-size:13px;color:var(--text-light);margin:0 0 16px;line-height:1.7}
.why-card .num{
  position:absolute;left:24px;bottom:12px;
  font-size:48px;font-weight:900;color:var(--primary);opacity:.08;line-height:1;
}

/* === About block === */
.about-block{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about-block .eyebrow{color:var(--primary);letter-spacing:2px;font-size:12px;font-weight:700;text-transform:uppercase}
.about-block h2{font-size:36px;font-weight:800;margin:8px 0 20px;color:#111827;line-height:1.2}
.about-block p{color:var(--text-light);line-height:1.9;margin:0 0 16px}
.about-block .media{
  position:relative;border-radius:12px;overflow:hidden;
  aspect-ratio:4/3;
  background:url('../../img/dongneng-factory.jpg') center/cover no-repeat,#183A95;
  box-shadow:var(--shadow-md);
}
.about-block .media .play{
  position:absolute;inset:0;display:grid;place-items:center;
}
.about-block .play-btn{
  width:72px;height:72px;border-radius:50%;
  background:rgba(24,58,149,.95);color:#fff;
  display:grid;place-items:center;font-size:22px;
  box-shadow:0 0 0 10px rgba(24,58,149,.2);
  animation:pulse 2s ease-in-out infinite;
  cursor:pointer;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 10px rgba(24,58,149,.2)}
  50%{box-shadow:0 0 0 18px rgba(24,58,149,.05)}
}

/* === Stats band === */
.stats-band{
  padding:44px 0;background:#f9f9f9;
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.stats-band .row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats-band .num{font-size:42px;font-weight:900;color:var(--primary);line-height:1;margin-bottom:6px}
.stats-band .lbl{font-size:12px;color:var(--text-light);letter-spacing:.6px;text-transform:uppercase}

/* === Product grid === */
.product-grid{
  display:grid;gap:22px;
  grid-template-columns:repeat(4,1fr);
}
.product-card{
  background:#fff;border:1px solid var(--border);border-radius:12px;
  overflow:hidden;transition:.25s;text-align:center;
  display:flex;flex-direction:column;
}
.product-card:hover{
  box-shadow:var(--shadow-md);transform:translateY(-4px);
  border-color:var(--primary);
}
.product-card .thumb{
  aspect-ratio:4/3;overflow:hidden;background:#f2f5f2;
}
.product-card .thumb img{
  width:100%;height:100%;object-fit:cover;transition:transform .4s;
}
.product-card:hover .thumb img{transform:scale(1.06)}
.product-card h3{
  font-size:14px;font-weight:600;margin:0;padding:16px 16px 6px;
  color:#111827;line-height:1.5;min-height:60px;
}
.product-card .tag{
  display:inline-block;padding:3px 10px;font-size:10px;
  background:var(--bg-soft);color:var(--primary);border-radius:3px;
  letter-spacing:.8px;text-transform:uppercase;font-weight:600;
  margin:6px 0 0;
}
.product-card .more{
  padding:10px 16px 18px;font-size:12px;color:var(--primary);
  font-weight:600;letter-spacing:.5px;text-transform:uppercase;
}
.product-card .more:after{content:" →"}

/* === Tabs (product categories) === */
.cat-tabs{
  display:flex;justify-content:center;gap:4px;flex-wrap:wrap;
  margin-bottom:32px;
}
.cat-tabs .tab{
  padding:10px 22px;font-size:12px;font-weight:600;
  color:var(--text-light);letter-spacing:.8px;text-transform:uppercase;
  border:1px solid var(--border);background:#fff;border-radius:24px;
  cursor:pointer;transition:.2s;
}
.cat-tabs .tab.active,.cat-tabs .tab:hover{
  background:var(--primary);border-color:var(--primary);color:#fff;
}

/* === Exhibition banner === */
.banner-exhibition{
  padding:50px 0;color:#fff;position:relative;
  background:linear-gradient(90deg,#102a70 0%,#183A95 60%,#f9b233 100%);
  overflow:hidden;
}
.banner-exhibition:before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% 50%,rgba(249,178,51,.4),transparent 60%);
}
.banner-exhibition .row{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  display:flex;justify-content:space-between;align-items:center;gap:30px;
  position:relative;z-index:1;flex-wrap:wrap;
}
.banner-exhibition .tag{
  display:inline-block;padding:4px 14px;background:var(--accent);
  color:#111;font-size:11px;letter-spacing:2px;font-weight:700;
  text-transform:uppercase;border-radius:3px;margin-bottom:10px;
}
.banner-exhibition h3{font-size:28px;margin:0 0 4px;font-weight:800;letter-spacing:.3px}
.banner-exhibition p{margin:0;font-size:14px;opacity:.92}

/* === Video section === */
.video-section{
  padding:80px 0;position:relative;color:#fff;overflow:hidden;
  background:#0f1724;
  min-height:440px;
}
.video-section:before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(15,23,36,.85),rgba(16,42,112,.65)),url('../../img/dongneng-factory.jpg') center/cover no-repeat;
  background-blend-mode:multiply;
}
.video-section .container{position:relative;z-index:1;text-align:center;padding:60px 24px}
.video-section h2{font-size:38px;font-weight:800;margin:0 0 14px;letter-spacing:.3px}
.video-section p{font-size:15px;color:#c6d1e6;max-width:620px;margin:0 auto 34px}
.video-play{
  width:84px;height:84px;border-radius:50%;
  background:var(--primary);color:#fff;display:grid;place-items:center;
  font-size:26px;margin:0 auto;cursor:pointer;
  box-shadow:0 0 0 12px rgba(24,58,149,.2);animation:pulse 2s ease-in-out infinite;
}

/* === News === */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.news-card{
  background:#fff;border-radius:12px;overflow:hidden;
  border:1px solid var(--border);transition:.25s;
  display:flex;flex-direction:column;
}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:var(--primary)}
.news-card .thumb{aspect-ratio:16/10;background:#f0f0f0;overflow:hidden;position:relative}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:.3s}
.news-card:hover .thumb img{transform:scale(1.05)}
.news-card .date{
  position:absolute;top:14px;left:14px;z-index:2;
  background:var(--primary);color:#fff;border-radius:4px;
  padding:8px 12px;text-align:center;line-height:1;
  box-shadow:0 4px 10px rgba(0,0,0,.2);
}
.news-card .date .d{font-size:20px;font-weight:800;display:block}
.news-card .date .m{font-size:11px;letter-spacing:.8px;margin-top:3px;text-transform:uppercase}
.news-card .body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.news-card h3{
  font-size:15px;font-weight:700;margin:0 0 10px;color:#111827;
  line-height:1.5;
}
.news-card p{font-size:13px;color:var(--text-light);margin:0 0 16px;flex:1;line-height:1.65}
.news-card .read-more{color:var(--primary);font-weight:600;font-size:12px;letter-spacing:.5px;text-transform:uppercase}
.news-card .read-more:after{content:" →"}

/* === Footer === */
.site-footer{background:var(--dark);color:#a9b2c3;padding:70px 0 0;margin-top:0}
.site-footer a{color:#a9b2c3}
.site-footer a:hover{color:var(--primary)}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid #253047;
}
.footer-col h4{
  font-size:14px;color:#fff;margin:0 0 20px;font-weight:700;
  letter-spacing:1.5px;text-transform:uppercase;position:relative;padding-bottom:10px;
}
.footer-col h4:after{content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;background:var(--primary)}
.footer-col p{font-size:13px;line-height:1.8;color:#8c96a8;margin:0 0 14px}
.footer-col ul li{margin-bottom:8px;font-size:13px}
.footer-col .social{display:flex;gap:10px;margin-top:18px}
.footer-col .social a{
  width:34px;height:34px;border-radius:50%;background:#253047;
  display:grid;place-items:center;color:#a9b2c3;font-size:13px;transition:.2s;
}
.footer-col .social a:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start}
.footer-contact .ico{color:var(--primary);flex-shrink:0;margin-top:4px}
.footer-contact a{color:#a9b2c3}
.footer-contact a:hover{color:#fff}
.site-footer .bottom{
  padding:18px 0;text-align:center;font-size:12px;color:#5a665c;
}

/* === Floating contact === */
.floating-contact{
  display:none;
}
.floating-contact a{
  width:44px;height:44px;border-radius:50%;
  background:var(--primary);color:#fff;display:grid;place-items:center;
  font-size:16px;box-shadow:var(--shadow-md);transition:.2s;
}
.floating-contact a:hover{background:var(--primary-dark);transform:scale(1.08);color:#fff}

/* === Contact / Forms === */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;margin-top:40px}
.contact-info-box{
  background:linear-gradient(135deg,#183A95,#102a70);
  color:#fff;padding:40px;border-radius:12px;
}
.contact-info-box h3{margin:0 0 24px;font-size:22px;color:#fff}
.contact-info-box ul li{
  display:flex;gap:14px;padding:14px 0;
  border-bottom:1px solid rgba(255,255,255,.1);align-items:flex-start;
}
.contact-info-box ul li:last-child{border-bottom:none}
.contact-info-box .ico{
  width:42px;height:42px;border-radius:50%;background:var(--primary);
  color:#fff;display:grid;place-items:center;flex-shrink:0;font-size:15px;
}
.contact-info-box .label{font-size:11px;color:#c6d1e6;text-transform:uppercase;letter-spacing:1px}
.contact-info-box .val{font-size:15px;color:#fff;margin-top:3px;font-weight:500}
.contact-info-box .val a{color:#fff}
.contact-info-box .val a:hover{color:#dce6ff}
.form-wrap{background:#fff;padding:36px;border-radius:12px;box-shadow:var(--shadow-sm);border:1px solid var(--border)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:12px;color:var(--text-light);font-weight:600;letter-spacing:.5px;text-transform:uppercase}
.form-group input,.form-group textarea,.form-group select{
  padding:12px 14px;border:1px solid var(--border);border-radius:4px;
  font-family:inherit;font-size:14px;color:#333;background:#fff;
  outline:none;transition:.2s;
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(24,58,149,.15);
}
.form-group textarea{min-height:110px;resize:vertical}
.form-actions{text-align:center;margin-top:20px}

/* === Map === */
.map-embed{
  aspect-ratio:16/9;position:relative;
  border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm);
  background:#e8eefc;margin-top:40px;
}
.map-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.map-fallback{
  position:absolute;inset:0;z-index:1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:18px;text-align:center;padding:24px;
  background:#e8eefc url('../image/map.svg') center/cover no-repeat;
}
.map-fallback i.fa-location-dot{
  font-size:32px;color:var(--primary);
  background:#fff;width:68px;height:68px;border-radius:50%;
  display:grid;place-items:center;box-shadow:var(--shadow-sm);
}
.map-fallback b{color:#111827;font-size:15px}

/* === Catalog (products page) === */
.catalog{display:grid;grid-template-columns:260px 1fr;gap:36px;margin-top:40px}
.filter-box{
  background:#fff;border:1px solid var(--border);border-radius:12px;
  padding:22px;height:fit-content;position:sticky;top:100px;
}
.filter-box h4{
  font-size:13px;letter-spacing:1px;margin:0 0 14px;color:#111827;
  text-transform:uppercase;font-weight:700;
  padding-bottom:10px;border-bottom:2px solid var(--primary);
}
.filter-box ul{margin-bottom:18px}
.filter-box li a{
  display:block;padding:8px 12px;font-size:13px;color:var(--text-light);
  border-radius:4px;transition:.15s;margin-bottom:2px;
}
.filter-box li a:hover,.filter-box li a.active{color:var(--primary);background:var(--bg-soft)}
.filter-box li.sub a{padding-left:28px;font-size:12px}

.products-catalog-section .catalog{align-items:start}
.product-catalog-content{min-width:0}
.catalog-intro .section-eyebrow,.catalog-intro .section-title,.catalog-intro .section-subtitle{text-align:left}
.catalog-intro .section-eyebrow:before{display:none}
.catalog-intro .section-eyebrow:after{margin-left:12px}
.catalog-intro .section-subtitle{margin-left:0;max-width:820px}
.business-scope-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:0 0 30px;
}
.business-card{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:10px;
  padding:24px 20px 22px;min-height:220px;overflow:hidden;
}
.business-card .num{
  position:absolute;right:16px;top:12px;color:#e2e9e3;font-size:34px;
  font-weight:900;line-height:1;
}
.business-card .ico{
  width:48px;height:48px;border-radius:8px;background:var(--bg-soft);
  color:var(--primary);display:grid;place-items:center;font-size:18px;margin-bottom:18px;
}
.business-card h3{position:relative;font-size:17px;margin:0 0 9px;color:#111827;font-weight:800}
.business-card p{position:relative;margin:0;color:var(--text-light);font-size:13px;line-height:1.65}
.catalog-note{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:linear-gradient(135deg,#183A95,#102a70);color:#fff;border-radius:10px;
  padding:18px 22px;margin:0 0 22px;
}
.catalog-note b{font-size:18px}
.catalog-note span{color:#dce3f5;font-size:13px}
.product-table-block{
  background:#fff;border:1px solid var(--border);border-radius:10px;
  overflow:hidden;margin-bottom:24px;scroll-margin-top:110px;
}
.table-heading{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  padding:22px 24px;border-bottom:1px solid var(--border);background:#fbfcff;
}
.table-kicker{
  display:block;color:var(--primary);font-size:11px;letter-spacing:1.8px;
  text-transform:uppercase;font-weight:800;margin-bottom:4px;
}
.table-heading h3{font-size:24px;margin:0;color:#111827;line-height:1.2}
.table-count{
  flex-shrink:0;background:var(--bg-soft);color:var(--primary);border-radius:20px;
  padding:6px 12px;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.6px;
}
.product-table-wrap{width:100%;overflow-x:auto}
.product-spec-table{width:100%;min-width:760px;border-collapse:collapse;font-size:13px}
.product-spec-table th,.product-spec-table td{
  padding:12px 14px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top;
}
.product-spec-table th{
  background:#f4f7ff;color:#111827;font-weight:800;white-space:nowrap;
}
.product-spec-table tbody tr:hover{background:#fbfcff}
.product-spec-table td:nth-child(1),.product-spec-table td:nth-child(3){font-weight:700;color:#111827}
.product-spec-table tr:last-child td{border-bottom:none}

/* === Product detail === */
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-top:40px}
.gallery{
  background:#f7f9f7;border-radius:12px;overflow:hidden;
  aspect-ratio:1/1;display:grid;place-items:center;
}
.gallery img{width:100%;height:100%;object-fit:cover}
.product-detail .info .tag{
  display:inline-block;padding:4px 12px;background:var(--bg-soft);
  color:var(--primary);border-radius:3px;font-size:11px;
  letter-spacing:1.2px;text-transform:uppercase;font-weight:700;
}
.product-detail .info h1{font-size:30px;margin:12px 0 16px;color:#111827;line-height:1.3;font-weight:800}
.product-detail .info .lead{color:var(--text-light);line-height:1.8;margin:0 0 24px}
.spec-table{width:100%;border-collapse:collapse;font-size:14px;margin-bottom:28px}
.spec-table th,.spec-table td{padding:11px 14px;border:1px solid var(--border);text-align:left}
.spec-table th{background:var(--bg-soft);color:#111827;font-weight:600;width:170px}

.thumb-row{display:flex;gap:10px;margin-top:14px}
.thumb-row div{
  flex:1;aspect-ratio:1/1;background:#f7f9f7;border-radius:6px;overflow:hidden;
  cursor:pointer;border:2px solid transparent;
}
.thumb-row div.active{border-color:var(--primary)}

.tabs{border-bottom:1px solid var(--border);display:flex;gap:4px;margin:40px 0 20px;overflow-x:auto}
.tabs .tab{
  padding:12px 22px;font-size:13px;font-weight:600;color:var(--text-light);
  border-bottom:3px solid transparent;cursor:pointer;transition:.2s;
  white-space:nowrap;letter-spacing:.5px;text-transform:uppercase;
}
.tabs .tab.active{color:var(--primary);border-color:var(--primary)}
.tab-content{display:none;padding:24px 0;color:var(--text-light);line-height:1.85}
.tab-content.active{display:block}

.pagination{display:flex;justify-content:center;gap:6px;margin-top:40px}
.pagination a{
  width:38px;height:38px;border-radius:4px;
  border:1px solid var(--border);display:grid;place-items:center;
  font-size:13px;color:var(--text-light);transition:.15s;
}
.pagination a:hover,.pagination a.active{background:var(--primary);border-color:var(--primary);color:#fff}

/* === Article === */
.article{max-width:820px;margin:40px auto}
.article h1{font-size:34px;color:#111827;margin:0 0 14px;font-weight:800}
.article .meta{color:var(--muted);font-size:13px;margin-bottom:28px;padding-bottom:18px;border-bottom:1px solid var(--border)}
.article p{line-height:1.9;margin:0 0 18px;color:#444}
.article h2,.article h3{color:#111827;margin:30px 0 14px;font-weight:700}
.article img{margin:24px 0;border-radius:8px}
.article blockquote{
  border-left:4px solid var(--primary);background:var(--bg-soft);
  padding:18px 24px;margin:24px 0;color:#333;font-style:italic;border-radius:0 6px 6px 0;
}

/* === Cases grid === */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{
  position:relative;border-radius:12px;overflow:hidden;
  aspect-ratio:4/3;cursor:pointer;background:#0f1724;
}
.case-card img{width:100%;height:100%;object-fit:cover;transition:.3s}
.case-card:hover img{transform:scale(1.05);opacity:.85}
.case-card .overlay{
  position:absolute;inset:0;padding:22px;z-index:1;color:#fff;
  background:linear-gradient(to top,rgba(0,0,0,.85) 0%,transparent 50%);
  display:flex;flex-direction:column;justify-content:flex-end;
}
.case-card .tag{
  display:inline-block;padding:3px 10px;background:var(--primary);
  font-size:10px;letter-spacing:1px;text-transform:uppercase;
  border-radius:3px;margin-bottom:10px;align-self:flex-start;font-weight:700;
}
.case-card h3{font-size:18px;font-weight:700;margin:0 0 6px;line-height:1.35}
.case-card p{font-size:13px;opacity:.9;margin:0}

/* === Video gallery === */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.video-card{
  border-radius:12px;overflow:hidden;position:relative;
  aspect-ratio:16/9;cursor:pointer;background:#0f1724;
}
.video-card img{width:100%;height:100%;object-fit:cover;opacity:.7;transition:.3s}
.video-card:hover img{opacity:.9;transform:scale(1.03)}
.video-card .ico{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:60px;height:60px;border-radius:50%;
  background:rgba(24,58,149,.95);color:#fff;font-size:18px;
  display:grid;place-items:center;
}
.video-card .title{
  position:absolute;left:0;right:0;bottom:0;padding:16px 20px;
  color:#fff;background:linear-gradient(to top,rgba(0,0,0,.85),transparent);
  font-weight:600;font-size:14px;
}

/* === FAQ === */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;padding:0;border-radius:8px;
  border:1px solid var(--border);overflow:hidden;transition:.2s;
}
.faq-item summary{
  padding:20px 26px;font-weight:600;color:#111827;cursor:pointer;
  list-style:none;display:flex;justify-content:space-between;align-items:center;
  font-size:15px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";font-size:22px;color:var(--primary);transition:.2s}
.faq-item[open] summary:after{transform:rotate(45deg)}
.faq-item[open]{border-color:var(--primary)}
.faq-item p{padding:0 26px 20px;margin:0;color:var(--text-light);line-height:1.8}

/* === Utilities === */
.center-cta{text-align:center;margin-top:30px}
.text-center{text-align:center}

/* === Responsive === */
@media(max-width:1024px){
  .mobile-toggle{
    display:grid;place-items:center;width:42px;height:42px;
    font-size:20px;color:#333;margin-left:auto;
  }
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:300px;max-width:88vw;
    background:#fff;box-shadow:-6px 0 24px rgba(0,0,0,.12);
    transform:translateX(100%);transition:.25s;padding:60px 16px 24px;
    z-index:200;overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav:before{
    content:"";position:fixed;inset:0;z-index:-1;background:rgba(0,0,0,.4);
    opacity:0;pointer-events:none;transition:.25s;
  }
  .main-nav.open:before{opacity:1;pointer-events:auto}
  .main-nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .main-nav>ul>li+li:before{display:none}
  .main-nav>ul>li{border-bottom:1px solid var(--border)}
  .main-nav a{padding:14px 12px;font-size:14px}
  .main-nav a.active:after,.main-nav li.active>a:after{display:none}
  .main-nav .sub-menu{position:static;box-shadow:none;border:none;padding:0 0 10px 12px;opacity:1;visibility:visible;transform:none;min-width:0}
  .main-nav li.has-sub>a{display:flex;justify-content:space-between;align-items:center}
  .main-nav .sub-caret{margin-left:auto;font-size:11px}

  .feature-strip .row{grid-template-columns:repeat(3,1fr)}
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid,.case-grid,.video-grid{grid-template-columns:repeat(2,1fr)}
  .hero-stats .row{grid-template-columns:repeat(2,1fr)}
  .hero-stats .item{border-right:none;border-bottom:1px solid rgba(255,255,255,.12)}
  .about-block,.contact-grid,.product-detail{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:48px}
  .catalog{grid-template-columns:1fr}
  .filter-box{position:static}
  .business-scope-grid{grid-template-columns:repeat(2,1fr)}
  .page-banner h1{font-size:34px}
}
@media(max-width:768px){
  .header-top{display:none}
  .header-main{padding:12px 16px;gap:10px}
  .container{padding:0 16px}
  .search-box{display:none}
  .logo-mark{width:84px;height:52px}

  .section{padding:50px 0}
  .section-title{font-size:26px}

  .hero{min-height:520px}
  .hero .container{padding:60px 16px;min-height:520px}
  .hero h1{font-size:36px}
  .hero p.lead{font-size:15px}
  .hero-ctas{flex-direction:column}
  .hero-ctas .btn{width:100%}
  .hero-stats .row{grid-template-columns:1fr}

  .page-banner{min-height:220px}
  .page-banner h1{font-size:28px}

  .feature-strip .row{grid-template-columns:repeat(2,1fr);gap:12px}
  .feature-strip .item{border-right:none;border-bottom:1px dashed var(--border);padding:10px 4px}

  .product-grid,.why-grid,.news-grid,.case-grid,.video-grid,.stats-band .row{grid-template-columns:repeat(2,1fr)}
  .stats-band .num{font-size:30px}

  .about-block h2{font-size:28px}

  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .site-footer{padding:40px 0 0}

  .banner-exhibition h3{font-size:22px}
  .video-section h2{font-size:28px}

  .contact-info-box{padding:28px}
  .product-detail .info h1{font-size:22px}
  .catalog-note{align-items:flex-start;flex-direction:column;gap:4px}
  .table-heading{align-items:flex-start;flex-direction:column}

  .floating-contact{right:10px}
  .floating-contact a{width:40px;height:40px;font-size:14px}
}
@media(max-width:480px){
  .product-grid,.why-grid,.case-grid,.video-grid{grid-template-columns:1fr}
  .business-scope-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .hero h1{font-size:28px}
  .section-title{font-size:22px}
  .page-banner h1{font-size:24px}
  .stats-band .row{grid-template-columns:1fr 1fr}
}