:root{--navy:#102b43;--navy-deep:#0b2134;--blue:#276ba7;--orange:#d87328;--orange-hover:#ef8737;--ink:#173149;--muted:#61717d;--line:#dbe3e8;--paper:#f4f7f9;--white:#fff;--shadow:0 18px 46px rgba(16,43,67,.11)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--white);color:var(--ink);font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{max-width:100%}.container{width:min(1210px,calc(100% - 48px));margin:auto}.skip{position:absolute;left:-9999px;top:10px;z-index:50;padding:10px 14px;background:var(--white)}.skip:focus{left:10px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:.74rem;letter-spacing:.15em;text-transform:uppercase;font-weight:800}.eyebrow:before{content:"";display:block;width:20px;height:2px;background:currentColor}.eyebrow.light{color:#acd1f5}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.15}h1{font-size:clamp(2.7rem,5.4vw,5rem);letter-spacing:-.045em}h2{font-size:clamp(2rem,3.5vw,3.1rem);letter-spacing:-.035em}h3{font-size:1.2rem;letter-spacing:-.02em}.lead{font-size:1.07rem;line-height:1.75}.muted{color:var(--muted)}.small{font-size:.82rem}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:11px 22px;border:1px solid transparent;border-radius:7px;background:var(--orange);color:#fff;font-weight:800;font-size:.9rem;transition:background .18s,transform .18s}.button:hover{background:var(--orange-hover);transform:translateY(-2px)}.button-outline{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}.button-outline:hover{background:rgba(255,255,255,.1)}.button-blue{background:var(--navy)}.button-blue:hover{background:#1a486a}.button-quiet{background:#fff;border-color:var(--line);color:var(--navy)}.button-quiet:hover{background:#eff4f7}.text-link{display:inline-flex;gap:8px;align-items:center;color:var(--blue);font-size:.86rem;font-weight:800}.text-link:hover{text-decoration:underline;text-underline-offset:4px}
.site-header{position:sticky;top:0;z-index:40;background:var(--navy-deep);color:#fff;box-shadow:0 2px 15px rgba(4,21,37,.14)}.header-inner{height:74px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;flex:none;font-weight:800;font-size:1.05rem;letter-spacing:.02em}.brand-mark{width:39px;height:39px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--navy)}.brand-mark svg{width:23px;height:23px}.brand small{display:block;margin-top:2px;color:#a6bfd0;font-size:.57rem;letter-spacing:.16em}.primary-nav{display:flex;align-items:center;justify-content:center;gap:28px;flex:1;height:100%;font-size:.84rem;font-weight:700}.primary-nav>a,.nav-group>a{display:flex;align-items:center;height:100%;white-space:nowrap}.primary-nav>a:hover,.nav-group>a:hover{color:#f5a66d}.nav-group{position:relative;height:100%}.nav-group>a:after{content:"⌄";font-size:.9rem;margin-left:6px}.dropdown{position:absolute;top:100%;left:-18px;min-width:245px;display:none;padding:10px;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:0 0 9px 9px;box-shadow:var(--shadow)}.dropdown a{display:block;padding:10px 12px;border-radius:5px;white-space:nowrap}.dropdown a:hover{background:#eef4f8;color:var(--blue)}.nav-group:hover .dropdown,.nav-group:focus-within .dropdown{display:block}.header-actions{display:flex;align-items:center;gap:10px}.lang-switch{padding:8px 10px;border:1px solid #53718a;border-radius:20px;color:#d6e8f5;font-size:.73rem;font-weight:800}.header-actions .button{min-height:42px;padding:8px 17px}.menu-button{display:none;border:1px solid #547089;border-radius:6px;background:transparent;color:#fff;padding:8px 11px;font-weight:750}.mobile-nav{display:none;padding:8px 24px 22px;background:var(--navy-deep);border-top:1px solid #27445e}.mobile-nav a{display:block;padding:10px 0;border-bottom:1px solid #2c4860;font-size:.9rem}.mobile-nav .mobile-sub{padding-left:17px;color:#bbcfdf;font-size:.83rem}.mobile-nav .button{margin-top:14px;border:0;text-align:center}.mobile-nav.is-open{display:block}
.hero{position:relative;min-height:650px;display:flex;align-items:center;overflow:hidden;background:var(--navy-deep);color:#fff}.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 46%}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,30,48,.95) 0%,rgba(9,30,48,.82) 38%,rgba(9,30,48,.32) 100%)}.hero-content{position:relative;z-index:1;padding:85px 0 105px}.hero h1{max-width:760px;margin:19px 0 21px}.hero p{max-width:630px;color:#e3edf4}.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px}.hero-photo-label{position:absolute;z-index:1;right:max(24px,calc((100vw - 1210px)/2));bottom:22px;color:#ecf3f7;font-size:.72rem}.proof-strip{background:var(--navy);color:#fff}.proof-strip-inner{display:grid;grid-template-columns:repeat(4,1fr)}.proof-item{padding:22px 20px;border-left:1px solid #31516a;text-align:center}.proof-item:first-child{border-left:0}.proof-item strong{display:block;font-size:1.8rem;line-height:1.12;letter-spacing:-.03em}.proof-item span{display:block;margin-top:5px;color:#b8cfdf;font-size:.74rem;font-weight:650;text-transform:uppercase;letter-spacing:.06em}
.section{padding:88px 0}.section.alt{background:var(--paper)}.section.dark{background:var(--navy-deep);color:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:31px}.section-head h2{margin:10px 0 0}.section-head p{max-width:440px;margin:0;color:var(--muted)}.section.dark .section-head p{color:#bed1de}.cards{display:grid;gap:18px}.cards.two{grid-template-columns:repeat(2,minmax(0,1fr))}.cards.three{grid-template-columns:repeat(3,minmax(0,1fr))}.cards.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 5px 22px rgba(16,43,67,.035)}.category-card{display:flex;flex-direction:column;min-height:320px;padding:17px}.category-art{height:145px;position:relative;overflow:hidden;border-radius:8px;background:#dceaf1}.category-art:before{content:"";position:absolute;width:240px;height:100px;left:25%;top:41%;border:17px solid rgba(255,255,255,.7);border-radius:100%;transform:rotate(-25deg);box-shadow:0 0 0 24px rgba(25,82,119,.12)}.category-art:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 45%,rgba(255,255,255,.28))}.category-art.bitumen{background:linear-gradient(130deg,#29343d,#7292a4)}.category-art.pepp{background:linear-gradient(130deg,#a0c9d8,#e7f3f2)}.category-art.coating{background:linear-gradient(130deg,#426e86,#a2c9d0)}.category-art.self{background:linear-gradient(130deg,#547a8c,#d2dde1)}.category-art.root{background:linear-gradient(130deg,#628076,#c7dcc2)}.category-art.other{background:linear-gradient(130deg,#6e8797,#e2ebf0)}.category-card h3{margin:17px 0 7px}.category-card p{color:var(--muted);font-size:.84rem;line-height:1.55}.category-card .text-link{margin-top:auto;padding-top:8px}.bullet-list{list-style:none;margin:0;padding:0}.bullet-list li{position:relative;padding-left:17px;margin:4px 0;color:var(--muted);font-size:.81rem}.bullet-list li:before{content:"•";position:absolute;left:0;color:var(--blue)}.category-card .bullet-list{margin-bottom:16px}.category-card .text-link{border-top:1px solid #ebeff1;width:100%;padding-top:13px}
.application-card{position:relative;display:flex;flex-direction:column;min-height:220px;padding:23px;background:#fff;border:1px solid var(--line);border-radius:11px}.application-icon{display:grid;place-items:center;width:48px;height:48px;margin-bottom:19px;border-radius:9px;background:#eaf2f8;color:var(--blue);font-size:1.5rem}.application-card h3{margin:0 0 9px}.application-card p{color:var(--muted);font-size:.85rem}.application-card .text-link{margin-top:auto}.why-grid{display:grid;grid-template-columns:1fr .94fr;gap:55px;align-items:center}.why-copy h2{margin:13px 0 19px}.why-copy p{color:var(--muted)}.why-photo{position:relative;margin:0}.why-photo img{display:block;width:100%;height:470px;object-fit:cover;border-radius:12px}.why-photo figcaption{position:absolute;left:16px;bottom:16px;padding:8px 12px;background:rgba(11,33,52,.9);border-radius:6px;color:#fff;font-size:.75rem}.why-points{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:22px 0 26px}.why-points span{padding:11px 12px;background:#eff4f6;border-radius:6px;font-size:.81rem;font-weight:700}.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.cert-card{padding:20px;border:1px solid #34516a;border-radius:10px;background:#17354f}.cert-card strong{display:block;color:#fff;font-size:1.12rem}.cert-card span{display:block;margin-top:6px;color:#b7cddd;font-size:.77rem}.cert-card small{display:block;margin-top:15px;color:#92b4cd;font-size:.7rem}.feature-card{padding:23px}.feature-card .feature-no{color:var(--orange);font-size:.72rem;font-weight:850;letter-spacing:.12em}.feature-card h3{margin:18px 0 8px}.feature-card p{min-height:65px;color:var(--muted);font-size:.84rem}.feature-card .text-link{margin-top:8px}.path-card{position:relative;min-height:250px;padding:27px;background:#18384f;border-radius:11px;overflow:hidden;color:#fff}.path-card:after{content:"";position:absolute;width:240px;height:240px;right:-100px;bottom:-130px;border:33px solid #2b526b;border-radius:50%}.path-card>*{position:relative;z-index:1}.path-card h3{margin:10px 0}.path-card p{max-width:430px;color:#c5d5df}.path-card .text-link{color:#f8b17d}.path-card .eyebrow{color:#99c5e6}.quick-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:65px;align-items:start}.quick-grid p{color:#b8d0df}.quick-contacts{display:grid;gap:12px;margin-top:22px}.quick-contacts a{color:#fff;font-weight:750}.form-panel{padding:30px;background:#fff;color:var(--ink);border-radius:12px;box-shadow:var(--shadow)}.form-panel h3{margin-bottom:7px}.form-panel p{color:var(--muted);font-size:.81rem}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.field{display:grid;gap:5px}.field.full{grid-column:1/-1}.field label{font-size:.74rem;font-weight:750}.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid #cbd7df;border-radius:6px;background:#fff;color:var(--ink);min-height:44px;font-size:.84rem}.field textarea{resize:vertical;min-height:86px}.form-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.form-note{margin:12px 0 0;color:#6d7d86;font-size:.73rem!important}.form-result{display:none;margin-top:12px;padding:12px;border-left:3px solid var(--blue);background:#eef5fa;white-space:pre-wrap;font-size:.77rem}.form-result.show{display:block}
.page-hero{position:relative;overflow:hidden;background:var(--navy-deep);color:#fff;padding:73px 0 78px}.page-hero.has-image>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.26}.page-hero>.container{position:relative;z-index:1}.breadcrumbs{font-size:.75rem;color:#b7cfe0;margin-bottom:17px}.breadcrumbs a{text-decoration:underline;text-underline-offset:3px}.page-hero h1{font-size:clamp(2.5rem,4vw,4rem);max-width:820px;margin:10px 0 14px}.page-hero p{max-width:720px;color:#cfdfeb}.page-hero .hero-actions{margin-top:23px}.content-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:start}.content-grid p{color:var(--muted)}.content-grid img{display:block;width:100%;height:430px;object-fit:cover;border-radius:12px}.data-row{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.data-box{padding:20px;background:#fff;border:1px solid var(--line);border-radius:9px}.data-box strong{display:block;font-size:1.7rem;color:var(--navy)}.data-box span{font-size:.77rem;color:var(--muted)}.list-panel{padding:24px;background:#fff;border:1px solid var(--line);border-radius:10px}.list-panel h3{margin-bottom:10px}.list-panel ul{margin:0;padding-left:20px;color:var(--muted);font-size:.89rem}.list-panel li{margin:9px 0}.doc-card{padding:20px;background:#fff;border:1px solid var(--line);border-radius:10px}.doc-card h3{margin:0 0 8px}.doc-card p{font-size:.84rem;color:var(--muted)}.doc-card .tag{display:inline-block;margin:8px 0;padding:4px 8px;border-radius:4px;background:#e9f2f8;color:#2e648c;font-size:.67rem;font-weight:800}.notice{padding:17px 20px;background:#edf4f8;border-left:3px solid var(--blue);color:#3f6075;font-size:.82rem}.callout{padding:30px;background:var(--navy);border-radius:11px;color:#fff}.callout p{color:#c4d8e6}.callout .button{margin-top:7px}.checklist{display:grid;gap:11px;padding:0;margin:0;list-style:none}.checklist li{padding:12px 15px 12px 42px;position:relative;border:1px solid var(--line);border-radius:7px;background:#fff;color:#526b7b;font-size:.85rem}.checklist li:before{content:"✓";position:absolute;left:15px;color:var(--blue);font-weight:900}.faq details{padding:17px 0;border-bottom:1px solid var(--line)}.faq summary{font-weight:750;cursor:pointer}.faq p{margin:10px 0 0;color:var(--muted);font-size:.86rem}.split-image-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.split-image-grid figure{margin:0}.split-image-grid img{display:block;width:100%;height:270px;object-fit:cover;border-radius:9px}.split-image-grid figcaption{margin-top:8px;color:var(--muted);font-size:.76rem}.product-filter{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:23px}.product-filter button{padding:8px 14px;border:1px solid #cad7df;background:#fff;border-radius:20px;color:#496579;font-size:.77rem;font-weight:750}.product-filter button[aria-pressed="true"]{background:var(--navy);color:#fff;border-color:var(--navy)}[hidden]{display:none!important}
.site-footer{padding:55px 0 20px;background:#081b2c;color:#d7e4ed}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px}.footer-grid h3{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.09em}.footer-grid p{max-width:330px;color:#a9c1d0;font-size:.83rem}.footer-grid a{display:block;margin:8px 0;color:#c6d8e4;font-size:.8rem}.footer-grid a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:40px;padding-top:17px;border-top:1px solid #25445c;color:#8eabba;font-size:.72rem}
@media(max-width:1030px){.primary-nav{gap:16px;font-size:.78rem}.header-inner{gap:15px}.cards.four{grid-template-columns:repeat(2,1fr)}.why-grid{gap:28px}}
@media(max-width:800px){.primary-nav,.header-actions .button{display:none}.header-inner{justify-content:space-between}.header-actions{margin-left:auto}.menu-button{display:block}.hero{min-height:560px}.hero:after{background:linear-gradient(90deg,rgba(9,30,48,.93),rgba(9,30,48,.54))}.proof-strip-inner{grid-template-columns:repeat(2,1fr)}.proof-item:nth-child(3){border-left:0;border-top:1px solid #31516a}.proof-item:nth-child(4){border-top:1px solid #31516a}.cards.three,.cert-grid{grid-template-columns:repeat(2,1fr)}.why-grid,.quick-grid,.content-grid{grid-template-columns:1fr}.why-photo img,.content-grid img{height:370px}.data-row{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:580px){.container{width:calc(100% - 32px)}.header-inner{height:65px}.brand{font-size:.9rem}.brand-mark{width:34px;height:34px}.brand small{font-size:.49rem}.hero{min-height:520px}.hero-content{padding:65px 0 82px}.hero h1{font-size:clamp(2.55rem,11vw,3.6rem)}.hero-photo-label{left:16px;right:auto;font-size:.63rem}.hero-actions .button{flex:1}.proof-item{padding:18px 8px}.proof-item strong{font-size:1.35rem}.proof-item span{font-size:.59rem}.section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:13px}.cards.three,.cards.four,.cert-grid,.split-image-grid{grid-template-columns:1fr}.category-card{min-height:0}.category-art{height:130px}.application-card{min-height:0}.why-photo img,.content-grid img{height:300px}.why-points{grid-template-columns:1fr 1fr}.quick-grid{gap:30px}.form-panel{padding:19px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}.page-hero{padding:55px 0 62px}}

.privacy-content{max-width:900px;margin:auto}
.privacy-content h2{margin:36px 0 12px;font-size:clamp(1.35rem,2.5vw,1.8rem);letter-spacing:-.025em}
.privacy-content p,.privacy-content li{color:var(--muted)}
.privacy-content ul{padding-left:24px}
.privacy-content li{margin:9px 0}
.privacy-content a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.privacy-content .notice{margin-top:28px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
.photo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.photo-grid figure{margin:0}.photo-grid img{display:block;width:100%;height:290px;object-fit:cover;border-radius:10px}.photo-grid figcaption{margin-top:8px;color:var(--muted);font-size:.8rem}.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:start}.contact-detail{display:grid;gap:3px;margin:25px 0;color:var(--navy)}.contact-detail span{font-size:.76rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.contact-detail a{font-weight:750;overflow-wrap:anywhere}.section-note{margin:20px 0 0;color:var(--muted);font-size:.82rem}section[id],article[id]{scroll-margin-top:90px}
.footer-grid .brand{display:flex;margin:0 0 12px}
.credential-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.credential-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.credential-card{overflow:hidden;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 5px 22px rgba(16,43,67,.035)}.credential-scan{position:relative;display:grid;place-items:center;padding:12px;background:#edf2f5;border-bottom:1px solid var(--line)}.credential-scan img{display:block;width:100%;height:300px;object-fit:contain}.credential-scan span{position:absolute;right:18px;bottom:17px;padding:5px 9px;border-radius:5px;background:rgba(11,33,52,.9);color:#fff;font-size:.68rem;font-weight:750}.credential-body{display:flex;flex:1;flex-direction:column;padding:17px}.credential-body h3{margin:0 0 8px;font-size:1.03rem}.credential-body p{margin:0 0 12px;color:var(--muted);font-size:.8rem;line-height:1.6}.credential-body small{margin-top:auto;padding-top:10px;border-top:1px solid #e9eef1;color:#496579;font-size:.72rem;font-weight:700;line-height:1.5}
@media(max-width:1000px){.credential-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:580px){.credential-grid,.credential-grid.three{grid-template-columns:1fr}.credential-scan img{height:340px}}
.credential-grid,.credential-grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}.credential-scan{min-height:544px}.credential-scan img{height:520px}.why-photo img,.content-grid img{height:auto;max-height:none;object-fit:contain;background:#edf2f5}
@media(max-width:580px){.credential-grid,.credential-grid.three{grid-template-columns:1fr}.credential-scan{min-height:unset}.credential-scan img{height:520px}}
@media(max-width:800px){.contact-grid{grid-template-columns:1fr;gap:25px}.photo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:580px){.cards.two,.photo-grid{grid-template-columns:1fr}.photo-grid img{height:250px}}
.hero.panoramic{aspect-ratio:1701/925;min-height:0}
.hero.panoramic>img{object-fit:contain;object-position:center;background:var(--navy-deep)}
.hero.panoramic:after{background:linear-gradient(90deg,rgba(9,30,48,.78) 0%,rgba(9,30,48,.52) 42%,rgba(9,30,48,.12) 100%)}
.page-hero.panoramic{aspect-ratio:1701/925;display:flex;align-items:center;padding:0}
.page-hero.panoramic>img{opacity:1;object-fit:contain;object-position:center;background:var(--navy-deep)}
.page-hero.panoramic:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,30,48,.78) 0%,rgba(9,30,48,.48) 46%,rgba(9,30,48,.08) 100%)}
.page-hero.panoramic>.container{padding-top:55px;padding-bottom:60px}
@media(max-width:800px){.hero.panoramic{display:block;aspect-ratio:auto;min-height:0}.hero.panoramic>img{position:relative;inset:auto;display:block;width:100%;height:auto;object-fit:contain}.hero.panoramic:after{background:linear-gradient(180deg,rgba(9,30,48,.02) 0%,rgba(9,30,48,.18) 42%,rgba(9,30,48,.96) 62%,rgba(9,30,48,1) 100%)}.hero.panoramic .hero-content{padding:38px 0 58px}.hero.panoramic .hero-photo-label{top:calc(54.38vw - 32px);right:16px;bottom:auto}.page-hero.panoramic{display:block;aspect-ratio:auto;padding:0}.page-hero.panoramic>img{position:relative;inset:auto;display:block;width:100%;height:auto}.page-hero.panoramic:after{background:linear-gradient(180deg,rgba(9,30,48,.02) 0%,rgba(9,30,48,.12) 38%,rgba(9,30,48,.97) 60%,rgba(9,30,48,1) 100%)}.page-hero.panoramic>.container{padding-top:34px;padding-bottom:42px}}
.hero h1{max-width:1050px}

/* Mobile layout refinements */
@media(max-width:800px){
  .container{width:min(1210px,calc(100% - 40px))}
  .header-inner{min-height:68px}
  .lang-switch,.menu-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center}
  .mobile-nav{max-height:calc(100vh - 68px);max-height:calc(100dvh - 68px);overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:8px 20px calc(24px + env(safe-area-inset-bottom))}
  .mobile-nav a{min-height:44px;display:flex;align-items:center}
  .mobile-nav .button{display:flex;width:100%;min-height:48px}
  .section{padding:68px 0}
  .section-head{gap:18px;margin-bottom:25px}
  .hero{min-height:560px}
  .hero-content{padding:70px 0 92px}
  .hero-photo-label{font-size:.72rem}
  .page-hero{padding:60px 0 66px}
  .page-hero h1{font-size:clamp(2.25rem,6vw,3.25rem)}
  .proof-item{padding:19px 12px}
  .proof-item span{font-size:.7rem;letter-spacing:.03em}
  .why-grid,.quick-grid,.content-grid,.contact-grid{gap:32px}
  .why-photo img{height:auto;aspect-ratio:16/9;object-fit:cover}
  .credential-body{padding:16px}
  .photo-grid{gap:14px}
}

@media(max-width:580px){
  .container{width:calc(100% - 32px)}
  .header-inner{height:66px;min-height:66px;gap:10px}
  .brand{font-size:.88rem;gap:8px}
  .brand-mark{width:34px;height:34px}
  .brand small{font-size:.48rem}
  .header-actions{gap:8px}
  .lang-switch{padding:7px 10px;font-size:.72rem}
  .menu-button{padding:8px 12px;font-size:.82rem}
  .mobile-nav{max-height:calc(100vh - 66px);max-height:calc(100dvh - 66px);padding-left:16px;padding-right:16px}
  .mobile-nav a{font-size:.92rem}
  .section{padding:54px 0}
  .section-head{margin-bottom:22px}
  .section-head h2{font-size:clamp(1.8rem,8vw,2.35rem);line-height:1.16}
  .hero{min-height:unset;align-items:stretch}
  .hero:after{background:linear-gradient(180deg,rgba(9,30,48,.45) 0%,rgba(9,30,48,.76) 28%,rgba(9,30,48,.94) 100%)}
  .hero-content{padding:60px 0 84px}
  .hero h1{font-size:clamp(2.15rem,9.5vw,3rem);line-height:1.08;letter-spacing:-.04em;margin:0 0 17px}
  .hero p,.page-hero p,.lead{font-size:1rem;line-height:1.65}
  .hero p{max-width:none}
  .hero-actions{display:grid;grid-template-columns:1fr;gap:10px;margin-top:22px}
  .hero-actions .button{width:100%;min-height:50px}
  .hero-photo-label{right:16px;bottom:15px;left:auto;font-size:.68rem}
  .proof-item{padding:16px 8px}
  .proof-item strong{font-size:1.42rem}
  .proof-item span{font-size:.66rem;line-height:1.35}
  .cards.three,.cards.four,.cert-grid,.split-image-grid{grid-template-columns:1fr}
  .category-card{padding:16px}
  .category-card h3{font-size:1.12rem}
  .application-card{padding:19px}
  .why-grid,.quick-grid,.content-grid,.contact-grid{gap:26px}
  .why-grid>*,.quick-grid>*,.content-grid>*,.contact-grid>*{min-width:0}
  .why-copy h2{font-size:clamp(1.9rem,8vw,2.5rem)}
  .why-photo img{height:auto;aspect-ratio:16/9;object-fit:cover}
  .why-points{grid-template-columns:1fr 1fr;gap:8px}
  .why-points span{padding:10px;font-size:.8rem}
  .photo-grid{grid-template-columns:1fr;gap:19px}
  .photo-grid img{width:100%;height:auto;max-height:none;aspect-ratio:auto;object-fit:contain;background:#edf2f5}
  .photo-grid figcaption{margin-top:7px;font-size:.86rem}
  .page-hero{padding:45px 0 50px}
  .page-hero h1{font-size:clamp(2.15rem,9vw,2.8rem);line-height:1.1;margin:9px 0 13px}
  .page-hero .hero-actions{display:grid;grid-template-columns:1fr}
  .page-hero .hero-actions .button{width:100%}
  .page-hero.panoramic>.container{padding:30px 0 38px}
  .page-hero.panoramic h1{font-size:clamp(2rem,8vw,2.7rem)}
  .data-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .data-box{padding:15px}
  .data-box strong{font-size:1.4rem}
  .credential-grid,.credential-grid.three{grid-template-columns:1fr}
  .credential-scan{padding:8px;min-height:0}
  .credential-scan img{width:100%;height:clamp(300px,100vw,410px);object-fit:contain}
  .credential-scan span{right:14px;bottom:13px}
  .credential-body h3{font-size:1.05rem}
  .form-panel{padding:18px}
  .form-grid{grid-template-columns:1fr;gap:12px}
  .field.full{grid-column:auto}
  .field input,.field select,.field textarea{min-height:48px;font-size:16px;touch-action:manipulation}
  .field textarea{min-height:110px}
  .form-actions{display:grid;grid-template-columns:1fr}
  .form-actions .button{width:100%;min-height:48px}
  .text-link{min-height:42px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:22px}
  .footer-grid>div:first-child{grid-column:1/-1}
  .footer-grid a{overflow-wrap:anywhere;line-height:1.45}
  .footer-bottom{font-size:.74rem;line-height:1.55}
  .faq summary{min-height:44px;display:flex;align-items:center}
  section[id],article[id]{scroll-margin-top:76px}
}

@media(max-width:380px){
  .container{width:calc(100% - 28px)}
  .hero h1{font-size:2.12rem}
  .hero-content{padding-top:52px}
  .why-points{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid>div:first-child{grid-column:auto}
  .proof-item span{font-size:.62rem}
}

@media(hover:none){.button:hover{transform:none}}

/* Six-language selector and non-blocking locale recommendation */
.language-picker{position:relative;display:inline-block;flex:none}
.language-picker>summary{display:inline-flex;align-items:center;gap:7px;list-style:none;cursor:pointer;user-select:none}
.language-picker>summary::-webkit-details-marker{display:none}
.language-picker>summary:after{content:none}
.language-picker[open] .language-menu{display:grid}
.language-menu{position:absolute;top:calc(100% + 9px);right:0;z-index:60;display:none;grid-template-columns:1fr;min-width:190px;padding:7px;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:9px;box-shadow:var(--shadow)}
.language-menu a{display:block;padding:9px 11px;border-radius:5px;font-size:.83rem;font-weight:650;white-space:nowrap}
.language-menu a:hover,.language-menu a:focus-visible{background:#eef4f8;color:var(--blue);outline:none}
.language-recommendation{position:relative;z-index:30;display:flex;align-items:center;justify-content:center;gap:15px;padding:11px 20px;background:#edf4f8;border-bottom:1px solid #d6e3eb;color:var(--ink);font-size:.9rem}
.language-recommendation p{margin:0;font-weight:650}
.language-recommendation-actions{display:flex;align-items:center;gap:12px}
.language-recommendation .button{min-height:38px;padding:7px 14px;font-size:.82rem}
.language-recommendation-dismiss{padding:6px 2px;border:0;background:transparent;color:var(--muted);font-size:.8rem;text-decoration:underline;text-underline-offset:3px}
@media(max-width:800px){.language-recommendation{justify-content:space-between;gap:10px;padding:10px 20px;font-size:.84rem}.language-recommendation-actions{flex:none;gap:9px}.language-recommendation .button{min-height:40px;padding:7px 11px}}
@media(max-width:580px){.language-recommendation{display:block;padding:12px 16px}.language-recommendation p{margin-bottom:9px}.language-recommendation-actions{justify-content:space-between}.language-menu{right:0;min-width:178px;max-width:calc(100vw - 24px)}}

/* Compact mobile navigation and homepage, with every category still available. */
@media(max-width:800px){
  .mobile-nav details{border-bottom:1px solid #2c4860}
  .mobile-nav summary{display:flex;align-items:center;justify-content:space-between;min-height:48px;cursor:pointer;font-size:.92rem;font-weight:700;list-style:none}
  .mobile-nav summary::-webkit-details-marker{display:none}
  .mobile-nav summary:after{content:"+";font-size:1.3rem;font-weight:400;color:#bbcfdf}
  .mobile-nav details[open] summary:after{content:"−"}
  .mobile-nav details a{padding-left:18px;min-height:42px;color:#bbcfdf;font-size:.85rem}
  .mobile-nav details a:last-child{border-bottom:0}
  .mobile-nav>a:not(.button){font-weight:700}
}
@media(max-width:580px){
  .hero-content{padding:43px 0 62px}
  .hero h1{font-size:clamp(2.05rem,9vw,2.65rem);margin-bottom:13px}
  .hero p{font-size:.94rem;line-height:1.55}
  .hero-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:18px}
  .hero-actions .button{padding:10px 8px;font-size:.85rem}
  .hero-photo-label{bottom:9px}
  #categories .category-art{display:none}
  #categories .category-card{padding:15px;gap:0}
  #categories .category-card h3{margin:0 0 6px}
  #categories .category-card p{margin-bottom:8px}
  #categories .category-card .bullet-list{margin-bottom:8px}
  #featured .cards.four{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-inline:16px;padding:2px 16px 14px;margin:0 -16px;overscroll-behavior-inline:contain;-webkit-overflow-scrolling:touch}
  #featured .feature-card{flex:0 0 min(78vw,290px);scroll-snap-align:start;padding:18px}
  #featured .feature-card h3{margin:11px 0 6px}
  #featured .feature-card p{min-height:0;margin-bottom:7px}
  .application-card{padding:16px}
  .application-icon{margin-bottom:11px}
}
@media(max-width:380px){
  .hero-actions{grid-template-columns:1fr}
}

/* Site-wide direct contact access */
.site-quick-contact{position:fixed;right:22px;bottom:22px;z-index:95;display:flex;flex-direction:column;gap:10px}
.quick-contact-link{display:flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 17px;border-radius:999px;color:#fff;font-size:.82rem;font-weight:800;box-shadow:0 8px 24px rgba(8,27,44,.24);transition:transform .18s,filter .18s}
.quick-contact-link:hover{transform:translateY(-2px);filter:brightness(1.06)}
.quick-contact-whatsapp{background:#168b56}
.quick-contact-email{background:#123957}
.quick-contact-icon{display:inline-grid;place-items:center;width:25px;height:25px;border:1px solid rgba(255,255,255,.72);border-radius:50%;font-size:.64rem;font-weight:900;line-height:1}
.site-footer [data-business-contact]{overflow-wrap:anywhere}
@media(max-width:800px){
  body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}
  .site-quick-contact{right:0;bottom:0;left:0;display:grid;grid-template-columns:1fr 1fr;gap:9px;padding:9px 16px calc(9px + env(safe-area-inset-bottom));border-top:1px solid #dce5eb;background:rgba(255,255,255,.97);box-shadow:0 -5px 22px rgba(16,43,67,.12);backdrop-filter:blur(12px)}
  .quick-contact-link{min-height:49px;padding:0 8px;border-radius:7px;font-size:.82rem;box-shadow:none}
  .quick-contact-link:hover{transform:none}
}
@media(max-width:360px){.quick-contact-link{gap:6px;font-size:.75rem}.quick-contact-icon{width:22px;height:22px}}
@media(prefers-reduced-motion:reduce){.quick-contact-link{transition:none}}

/* Contact page banner uses the supplied Langkun growth artwork without covering its message. */
.page-hero.contact-hero{display:flex;align-items:stretch;aspect-ratio:1672/941;min-height:0;padding:0}
.page-hero.contact-hero>img{z-index:0;opacity:1;object-fit:cover;object-position:center top}
.page-hero.contact-hero:after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(7,31,54,.02) 0%,rgba(7,31,54,0) 48%,rgba(7,31,54,.42) 72%,rgba(7,31,54,.65) 100%)}
.page-hero.contact-hero>.contact-hero-wrap{z-index:2;display:flex;align-items:flex-end;justify-content:flex-end;padding-top:38px;padding-bottom:38px}
.contact-hero-copy{width:min(490px,47%);padding:25px 27px;border:1px solid rgba(226,239,248,.24);border-top:3px solid var(--orange);border-radius:10px;background:rgba(8,29,48,.83);box-shadow:0 18px 48px rgba(2,16,29,.2);backdrop-filter:blur(6px)}
.contact-hero-copy .breadcrumbs{margin-bottom:13px;color:#d3e2ed}
.contact-hero-copy h1{max-width:100%;font-size:clamp(2.2rem,3.2vw,3.35rem)}
.contact-hero-copy p{max-width:100%;margin-bottom:0}
.contact-hero-copy .hero-actions{margin-top:18px}
.footer-bottom .footer-privacy{display:inline-block;margin:0;color:#b7cee0;text-decoration:underline;text-underline-offset:3px;white-space:nowrap}
.footer-bottom .footer-privacy:hover{color:#fff}
.privacy-section{margin-top:28px}
.privacy-section h2{margin-bottom:9px}
@media(max-width:800px){
  .page-hero.contact-hero{display:block;aspect-ratio:auto;min-height:0;padding:0}
  .page-hero.contact-hero>img{position:relative;inset:auto;display:block;width:100%;height:auto;opacity:1;object-fit:contain}
  .page-hero.contact-hero:after{display:none}
  .page-hero.contact-hero>.contact-hero-wrap{display:block;width:100%;max-width:none;padding:23px 20px 30px;background:var(--navy-deep)}
  .contact-hero-copy{width:100%;max-width:none;padding:0;border:0;border-radius:0;background:none;box-shadow:none;backdrop-filter:none}
  .contact-hero-copy h1{font-size:clamp(2.15rem,8vw,2.9rem)}
}
@media(max-width:580px){.page-hero.contact-hero>.contact-hero-wrap{padding:22px 16px 27px}.contact-hero-copy .breadcrumbs{font-size:.72rem}.contact-hero-copy h1{margin:10px 0 12px}}

/* Langkun product-page catalogue structure */
.catalog-hero{position:relative;overflow:hidden;background:linear-gradient(112deg,#0b2134 0%,#102b43 54%,#18385b 100%);color:#fff;padding:72px 0 42px}
.catalog-hero:after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 88% 20%,rgba(72,132,185,.2),transparent 38%)}
.catalog-hero>.container{position:relative;z-index:1}
.catalog-hero .breadcrumbs{color:#b7cfe0}
.catalog-hero h1{max-width:970px;margin:13px 0 18px;font-size:clamp(2.6rem,4.5vw,4.2rem)}
.catalog-hero .lead{max-width:865px;color:#d1deea}
.catalog-hero .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}
.catalog-hero .hero-actions .button{min-width:190px}
.catalog-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));max-width:1020px;margin-top:45px;border-top:1px solid rgba(220,235,247,.24)}
.catalog-fact{display:flex;flex-direction:column;gap:5px;padding:18px 18px 0;border-right:1px solid rgba(220,235,247,.2)}
.catalog-fact:first-child{padding-left:0}.catalog-fact:last-child{border-right:0}
.catalog-fact strong{font-size:1.45rem;line-height:1.15;color:#fff}.catalog-fact span{font-size:.78rem;color:#b8ccdc}
.catalog-section{scroll-margin-top:88px}
.catalog-layout{display:grid;grid-template-columns:minmax(220px,260px) minmax(0,1fr);gap:34px;align-items:start}
.catalog-sidebar{position:sticky;top:94px;padding:23px 20px;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:0 10px 30px rgba(16,43,67,.06)}
.catalog-sidebar h2{margin:8px 0 20px;font-size:1.34rem;letter-spacing:-.025em}
.catalog-sidebar .product-filter{display:grid;grid-template-columns:1fr;gap:7px;margin:0 0 17px}
.catalog-sidebar .product-filter button{width:100%;min-height:45px;padding:10px 12px;text-align:left;border-radius:8px}
.catalog-sidebar .product-filter button[aria-pressed="true"]{background:#eaf2f8;border-color:#dceaf4;color:var(--navy)}
.catalog-sidebar-note{margin:0 0 12px;color:var(--muted);font-size:.82rem;line-height:1.55}
.catalog-main{min-width:0}.catalog-head{align-items:end;gap:24px;margin-bottom:23px}
.catalog-head h2{margin:8px 0 0;font-size:clamp(1.9rem,3.1vw,2.6rem)}
.catalog-head>p{max-width:440px;margin:0;color:var(--muted);font-size:.9rem}
.catalog-main .cards.three{grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}
.catalog-main .category-card{min-width:0}
@media(max-width:1050px){.catalog-layout{grid-template-columns:minmax(205px,230px) minmax(0,1fr);gap:22px}.catalog-main .cards.three{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:800px){.catalog-layout{grid-template-columns:1fr;gap:25px}.catalog-sidebar{position:static}.catalog-sidebar .product-filter{display:flex;gap:8px;overflow-x:auto;padding:0 1px 7px;overscroll-behavior-inline:contain;-webkit-overflow-scrolling:touch}.catalog-sidebar .product-filter button{flex:0 0 auto;width:auto;min-width:118px;white-space:nowrap;text-align:center}.catalog-sidebar-note{margin-top:2px}.catalog-head{align-items:start}}
@media(max-width:580px){
.catalog-hero{padding:46px 0 31px}.catalog-hero h1{font-size:clamp(2.05rem,9vw,2.8rem);line-height:1.08}.catalog-hero .lead{font-size:.96rem;line-height:1.6}
.catalog-hero .hero-actions{display:grid;grid-template-columns:1fr;gap:9px}.catalog-hero .hero-actions .button{width:100%;min-width:0;min-height:48px}
.catalog-facts{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:29px}.catalog-fact{min-height:78px;padding:13px 10px 8px;border-bottom:1px solid rgba(220,235,247,.2)}
.catalog-fact:nth-child(odd){padding-left:0;border-right:1px solid rgba(220,235,247,.2)}.catalog-fact:nth-child(even){border-right:0}.catalog-fact:nth-last-child(-n+2){border-bottom:0}
.catalog-fact strong{font-size:1.2rem}.catalog-fact span{font-size:.7rem;line-height:1.35}.catalog-sidebar{padding:19px 16px}
.catalog-main .section-head{display:block}.catalog-head>p{margin-top:12px}.catalog-main .cards.three{grid-template-columns:1fr}
}


/* Langkun solution index adapted to Tianyuan's application-first page structure. */
.solution-landing-hero{padding-top:48px;padding-bottom:48px}
.solution-hero-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(245px,.42fr);gap:64px;align-items:end;margin-top:20px}
.solution-hero-copy h1{max-width:850px;margin:13px 0 16px;font-size:clamp(2.55rem,4.2vw,4rem)}
.solution-hero-copy .lead{max-width:830px;margin-bottom:0}
.solution-hero-copy .hero-actions{margin-top:24px}
.solution-hero-note{padding:22px 23px 20px;border:1px solid rgba(216,232,244,.22);border-left:3px solid var(--orange);border-radius:9px;background:rgba(255,255,255,.055)}
.solution-hero-note>span{display:block;margin-bottom:10px;color:#acd1f5;font-size:.7rem;font-weight:800;letter-spacing:.12em}
.solution-hero-note strong{display:block;color:#fff;font-size:1.1rem;line-height:1.35}
.solution-hero-note p{margin:10px 0 0;color:#c6d7e4;font-size:.84rem;line-height:1.65}
.solution-index-section{background:var(--paper);scroll-margin-top:88px}
.solution-index-head{align-items:end}
.solution-index-head>p{max-width:455px}
.solution-index-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}
.solution-index-card{display:flex;min-width:0;min-height:238px;flex-direction:column;padding:23px 25px 20px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 7px 24px rgba(16,43,67,.045);transition:transform .18s,box-shadow .18s,border-color .18s}
.solution-index-card:hover{transform:translateY(-3px);border-color:#c4d8e6;box-shadow:0 12px 28px rgba(16,43,67,.09)}
.solution-card-top{display:flex;align-items:center;justify-content:space-between}
.solution-card-number{color:#7890a2;font-size:.74rem;font-weight:850;letter-spacing:.13em}
.solution-card-top .application-icon{width:44px;height:44px;margin:0;border-radius:10px}
.solution-index-card h3{margin:20px 0 8px;font-size:1.24rem}
.solution-index-card p{max-width:540px;margin:0 0 17px;color:var(--muted);font-size:.88rem;line-height:1.65}
.solution-index-card .text-link{margin-top:auto;min-height:36px}
.solution-brief-section{padding-top:16px}
.solution-brief{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:48px;align-items:center;padding:38px 42px;border-radius:14px;background:linear-gradient(120deg,#0b2134,#163a57);color:#fff}
.solution-brief-copy h2{margin:12px 0 13px;font-size:clamp(1.8rem,3vw,2.55rem)}
.solution-brief-copy>p{max-width:520px;margin:0;color:#c2d5e3;font-size:.91rem}
.solution-brief-actions{display:flex;align-items:center;flex-wrap:wrap;gap:20px;margin-top:22px}
.solution-brief-whatsapp{color:#dceaf3;font-size:.86rem;font-weight:750}
.solution-brief-whatsapp:hover{text-decoration:underline;text-underline-offset:4px}
.solution-brief-list{display:grid;grid-template-columns:1fr 1fr;gap:11px 18px;margin:0;padding:0;list-style:none}
.solution-brief-list li{display:flex;align-items:flex-start;gap:10px;min-width:0;color:#e0eaf1;font-size:.82rem;line-height:1.5}
.solution-brief-list li span{flex:none;color:#8dbbe0;font-size:.68rem;font-weight:850;letter-spacing:.08em}
@media(max-width:980px){.solution-hero-layout{grid-template-columns:minmax(0,1fr) minmax(220px,.52fr);gap:30px}.solution-brief{gap:30px;padding:32px}}
@media(max-width:800px){.solution-hero-layout{grid-template-columns:1fr;gap:24px}.solution-hero-note{max-width:640px}.solution-index-head{align-items:start}.solution-brief{grid-template-columns:1fr}}
@media(max-width:580px){
.solution-landing-hero{padding:39px 0 32px}
.solution-hero-layout{gap:20px;margin-top:13px}
.solution-hero-copy h1{font-size:clamp(2.05rem,9vw,2.8rem);line-height:1.08}
.solution-hero-copy .lead{font-size:.96rem;line-height:1.6}
.solution-hero-note{padding:17px 18px}
.solution-index-section{padding:51px 0 56px}
.solution-index-grid{grid-template-columns:1fr;gap:12px}
.solution-index-card{min-height:0;padding:19px 18px 16px}
.solution-index-card h3{margin:15px 0 7px;font-size:1.14rem}
.solution-index-card p{font-size:.86rem}
.solution-brief-section{padding-top:0}
.solution-brief{gap:23px;padding:25px 20px;border-radius:11px}
.solution-brief-copy h2{font-size:clamp(1.8rem,8vw,2.2rem)}
.solution-brief-actions{display:grid;grid-template-columns:1fr;gap:13px}
.solution-brief-actions .button{width:100%}
.solution-brief-list{grid-template-columns:1fr;gap:10px}
}