:root{
  --navy:#0f2742;--navy-2:#183b5f;--ink:#14202b;--muted:#66717d;--line:#dce2e8;
  --soft:#f5f7f9;--white:#fff;--accent:#f59e0b;--accent-2:#d97706;--green:#1f7a5b;
  --radius:18px;--shadow:0 18px 45px rgba(15,39,66,.12);--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(220,226,232,.85)}.nav-wrap{height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:12px;min-width:260px}.brand-logo-wrap{display:flex;align-items:center;justify-content:center;width:98px;height:58px;padding:0;background:transparent;border:0;border-radius:0;overflow:visible}.brand-logo{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}.brand-text{display:flex;flex-direction:column;line-height:1.15}.brand-text strong{font-size:17px}.brand-text small{margin-top:5px;color:var(--muted);font-size:11px;letter-spacing:1px}.main-nav{margin-left:auto;display:flex;gap:26px;font-size:14px;color:#36414c}.main-nav a:hover{color:var(--accent-2)}.header-cta{white-space:nowrap}.nav-toggle{display:none;border:0;background:transparent;font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:12px;border:1px solid transparent;font-weight:800;cursor:pointer;transition:.2s ease}.btn:hover{transform:translateY(-1px)}.btn-accent{background:var(--accent);color:#1d1605}.btn-accent:hover{background:#ffad1f}.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.06)}.btn-dark{background:var(--navy);color:#fff}.btn-small{min-height:42px;padding:0 17px;font-size:13px}.btn-full{width:100%}.text-link{font-weight:800;color:var(--navy)}.text-link:hover{color:var(--accent-2)}
.hero{background:radial-gradient(circle at 75% 10%,rgba(245,158,11,.16),transparent 28%),linear-gradient(135deg,#0b2038,#143655 58%,#0e2b45);color:#fff;padding:86px 0 78px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:54px;align-items:center}.eyebrow{display:inline-block;font-size:12px;font-weight:900;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin-bottom:14px}.hero h1{font-size:clamp(40px,5.6vw,72px);line-height:1.08;letter-spacing:-2px;margin:0 0 24px}.hero h1 span{font-size:.55em;color:#cbd8e3;letter-spacing:-1px}.hero-lead{font-size:18px;color:#dbe5ee;max-width:760px;margin:0}.hero-actions{display:flex;gap:14px;margin-top:32px}.hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:38px}.hero-points div{padding-top:15px;border-top:1px solid rgba(255,255,255,.18)}.hero-points b{display:block;color:var(--accent);font-size:12px;letter-spacing:1px}.hero-points span{display:block;margin-top:4px;color:#dbe5ee;font-size:13px}.hero-card{background:#fff;color:var(--ink);border-radius:24px;padding:30px;box-shadow:0 25px 70px rgba(0,0,0,.23);position:relative}.hero-card:before{content:"";position:absolute;right:-24px;bottom:-24px;width:120px;height:120px;border:22px solid rgba(245,158,11,.24);border-radius:50%;z-index:0}.hero-card>*{position:relative;z-index:1}.hero-card-top{font-size:12px;font-weight:900;color:var(--accent-2);letter-spacing:1.5px}.hero-card h2{font-size:27px;line-height:1.35;margin:9px 0 10px}.hero-card p{color:var(--muted);margin:0 0 16px}.check-list{list-style:none;padding:0;margin:18px 0}.check-list li{padding:10px 0 10px 28px;border-bottom:1px solid #edf0f3;position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}
.trust-strip{background:#fff;border-bottom:1px solid var(--line)}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.trust-grid>div{padding:22px 28px;border-right:1px solid var(--line)}.trust-grid>div:first-child{padding-left:0}.trust-grid>div:last-child{border-right:0}.trust-grid strong{display:block;font-size:15px}.trust-grid span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
.section{padding:90px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:60px;margin-bottom:34px}.section-head h2{font-size:clamp(30px,4vw,48px);line-height:1.12;margin:0}.section-head p{max-width:520px;color:var(--muted);margin:0}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.product-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:0 12px 32px rgba(21,35,49,.06)}.featured-product{border-color:#d6c39e}.product-visual{height:260px;position:relative;overflow:hidden;background:linear-gradient(140deg,#eef2f5,#dfe6eb)}.product-body{padding:28px}.tag{display:inline-flex;padding:5px 10px;background:#fff4d9;color:#8b5a00;border-radius:999px;font-size:12px;font-weight:900}.product-body h3{font-size:30px;margin:12px 0 10px}.product-body p{color:var(--muted);margin:0}.specs{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.specs span{font-size:12px;background:var(--soft);border:1px solid #e7ebef;padding:7px 10px;border-radius:8px}
.section-dark{background:var(--navy);color:#fff}.section-head.light p{color:#cbd8e3}.advantage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.advantage-grid article{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:25px}.advantage-grid article span{color:var(--accent);font-weight:900;font-size:12px}.advantage-grid h3{font-size:20px;margin:12px 0 8px}.advantage-grid p{color:#cbd8e3;font-size:14px;margin:0}
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.industry-card{padding:22px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,#fff,#fafbfc)}.industry-card b{display:block;font-size:17px}.industry-card span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
.calculator-section{background:var(--soft)}.calculator-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.calculator-grid h2{font-size:clamp(30px,4vw,46px);line-height:1.2;margin:0 0 15px}.calculator-grid p{color:var(--muted)}.formula{margin-top:22px;padding:16px 18px;border-left:4px solid var(--accent);background:#fff;border-radius:10px;font-weight:800}.calc-card{background:#fff;border-radius:18px;padding:28px;box-shadow:var(--shadow)}.calc-card label,.quote-form label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:800;color:#3b4650;margin-bottom:14px}.calc-card input,.quote-form input,.quote-form select,.quote-form textarea{width:100%;border:1px solid #cfd6dc;border-radius:10px;padding:12px 13px;background:#fff;color:var(--ink);outline:none}.calc-card input:focus,.quote-form input:focus,.quote-form select:focus,.quote-form textarea:focus{border-color:#809bb4;box-shadow:0 0 0 3px rgba(24,59,95,.08)}.calc-result{margin-top:14px;padding:15px;background:#f2f6f9;border-radius:10px;font-weight:800;color:var(--navy)}
.quote-section{background:#fff}.quote-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start}.quote-copy h2{font-size:clamp(30px,4vw,48px);line-height:1.15;margin:0 0 16px}.quote-copy>p{color:var(--muted)}.contact-box{display:flex;flex-direction:column;gap:7px;margin-top:28px;padding:20px;border:1px solid var(--line);background:var(--soft);border-radius:14px}.contact-box span{color:var(--muted);font-size:14px}.quote-form{border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 15px 35px rgba(15,39,66,.07)}.form-row.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-note{font-size:12px;color:var(--muted);margin:10px 0 0}.generated-quote{margin-top:18px;padding-top:18px;border-top:1px dashed var(--line)}.generated-title{font-weight:900;margin-bottom:8px}.generated-quote textarea{margin-bottom:10px;background:#f8fafb}
.site-footer{background:#0a1c2f;color:#d5e0e8;padding:38px 0}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr 1fr;gap:30px;align-items:center}.footer-brand .brand-text strong{color:#fff}.footer-brand .brand-text small{color:#91a3b3}.site-footer p,.footer-meta{font-size:12px;color:#91a3b3}.footer-links{display:flex;gap:16px;font-size:13px}.footer-links a:hover{color:#fff}.footer-meta{text-align:right}
@media (max-width:900px){.main-nav,.header-cta{display:none}.nav-toggle{display:block;margin-left:auto}.main-nav.is-open{position:absolute;display:flex;flex-direction:column;left:20px;right:20px;top:76px;background:#fff;padding:18px;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.hero{padding-top:58px}.hero-grid,.calculator-grid,.quote-grid{grid-template-columns:1fr}.hero h1{font-size:48px}.hero-points,.trust-grid,.advantage-grid{grid-template-columns:repeat(2,1fr)}.trust-grid>div{border-right:0;border-bottom:1px solid var(--line);padding:18px 14px}.product-grid,.industry-grid{grid-template-columns:1fr 1fr}.section-head{align-items:start;flex-direction:column;gap:14px}.footer-grid{grid-template-columns:1fr}.footer-meta{text-align:left}}
@media (max-width:620px){.container{width:min(100% - 26px,var(--max))}.nav-wrap{height:68px}.brand{min-width:0}.brand-logo-wrap{width:78px;height:48px;border-radius:0}.brand-text strong{font-size:14px}.hero{padding:48px 0 54px}.hero h1{font-size:39px;letter-spacing:-1.4px}.hero h1 span{font-size:.55em}.hero-lead{font-size:16px}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.hero-points,.trust-grid,.advantage-grid,.product-grid,.industry-grid,.form-row.two{grid-template-columns:1fr}.hero-card{padding:24px}.section{padding:65px 0}.product-visual{height:220px}.product-body h3{font-size:26px}.footer-links{flex-wrap:wrap}}
.footer-brand .brand-logo-wrap{background:transparent;border:0}
@media (max-width:420px){.brand-text small{display:none}.brand-logo-wrap{width:70px;height:44px}.brand{gap:8px}}

/* Real product photography */
.product-photo-wrap{background:#eef2f4}
.product-photo-main{width:100%;height:100%;object-fit:cover;display:block}
.product-photo-thumb{position:absolute;right:14px;bottom:14px;width:30%;aspect-ratio:1/1;object-fit:cover;border:4px solid #fff;border-radius:12px;box-shadow:0 10px 24px rgba(15,39,66,.2)}
.photo-badge{position:absolute;left:14px;top:14px;background:rgba(15,39,66,.88);color:#fff;font-size:12px;font-weight:800;padding:7px 10px;border-radius:999px;backdrop-filter:blur(4px)}
@media (max-width:620px){.product-photo-thumb{width:28%;right:12px;bottom:12px;border-width:3px}}

/* Real product photo treatment */
.tape-photo-wrap{background:linear-gradient(145deg,#f6f8f8,#e9efec)}
.contain-photo{object-fit:contain;padding:10px}

/* BOPP tape sub-series gallery */
.subseries-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin:48px 0 18px;padding-top:30px;border-top:1px solid var(--line)}
.subseries-head h3{font-size:28px;margin:2px 0 0}.subseries-head p{max-width:520px;color:var(--muted);margin:0}
.tape-series-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.series-card{overflow:hidden;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 10px 26px rgba(21,35,49,.05)}
.series-card img{display:block;width:100%;height:210px;object-fit:contain;background:linear-gradient(145deg,#fafbfb,#eef3f0);padding:8px}
.series-card div{padding:16px 18px}.series-card strong{display:block;font-size:17px}.series-card span{display:block;color:var(--muted);font-size:13px;margin-top:5px;line-height:1.55}
@media (max-width:900px){.tape-series-grid{grid-template-columns:1fr 1fr}.subseries-head{align-items:start;flex-direction:column;gap:8px}}
@media (max-width:620px){.tape-series-grid{grid-template-columns:1fr}.series-card img{height:230px}.subseries-head{margin-top:36px}}

/* Shared gallery cards */
.gallery-card{overflow:hidden;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 10px 26px rgba(21,35,49,.05)}
.gallery-card img{display:block;width:100%;height:250px;object-fit:cover;background:#f6f8f8}
.gallery-card div{padding:16px 18px}.gallery-card strong{display:block;font-size:17px}.gallery-card span{display:block;color:var(--muted);font-size:13px;margin-top:5px;line-height:1.55}
.gallery-card-large{grid-row:span 2}.gallery-card-large img{height:100%}
.gallery-card-wide{grid-column:span 2}

/* Stretch film gallery */
.film-gallery-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin:52px 0 18px;padding-top:30px;border-top:1px solid var(--line)}
.film-gallery-head h3{font-size:28px;margin:2px 0 0}.film-gallery-head p{max-width:560px;color:var(--muted);margin:0}
.film-gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}

/* Automotive camouflage tape gallery */
.auto-gallery-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin:52px 0 18px;padding-top:30px;border-top:1px solid var(--line)}
.auto-gallery-head h3{font-size:28px;margin:2px 0 0}.auto-gallery-head p{max-width:560px;color:var(--muted);margin:0}
.auto-gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}

@media (max-width:900px){
  .film-gallery-head,.auto-gallery-head{align-items:start;flex-direction:column;gap:8px}
  .film-gallery-grid,.auto-gallery-grid{grid-template-columns:1fr 1fr}
  .gallery-card-large,.gallery-card-wide{grid-row:auto;grid-column:auto}
  .gallery-card img{height:230px}
}
@media (max-width:620px){
  .film-gallery-grid,.auto-gallery-grid{grid-template-columns:1fr}
  .gallery-card img{height:230px}
  .film-gallery-head,.auto-gallery-head{margin-top:36px}
}

/* Production video */
.production-video{display:grid;grid-template-columns:.8fr 1.2fr;gap:36px;align-items:center;margin:48px 0 10px;padding:30px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(135deg,#f8fafb,#eef3f6);overflow:hidden}
.production-video-copy h3{font-size:30px;margin:2px 0 12px}.production-video-copy p{color:var(--muted);margin:0;max-width:500px}.video-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.video-points span{font-size:12px;font-weight:800;background:#fff;border:1px solid var(--line);padding:7px 10px;border-radius:999px}
.production-video-frame{display:flex;justify-content:center}.production-video-frame video{display:block;width:min(100%,430px);max-height:660px;aspect-ratio:9/16;object-fit:cover;background:#0b1620;border-radius:18px;box-shadow:0 18px 42px rgba(15,39,66,.18)}
@media (max-width:900px){.production-video{grid-template-columns:1fr}.production-video-frame{justify-content:flex-start}.production-video-frame video{width:min(100%,390px)}}
@media (max-width:620px){.production-video{margin-top:36px;padding:20px}.production-video-copy h3{font-size:26px}.production-video-frame{justify-content:center}.production-video-frame video{width:100%;max-height:none}}

/* Factory gallery */
.factory-gallery-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin:52px 0 18px;padding-top:30px;border-top:1px solid var(--line)}
.factory-gallery-head h3{font-size:28px;margin:2px 0 0}
.factory-gallery-head p{max-width:560px;color:var(--muted);margin:0}
.factory-gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){.factory-gallery-head{align-items:start;flex-direction:column;gap:8px}.factory-gallery-grid{grid-template-columns:1fr 1fr}.factory-gallery-grid .gallery-card-wide{grid-column:auto}}
@media (max-width:620px){.factory-gallery-grid{grid-template-columns:1fr}.factory-gallery-head{margin-top:36px}}

/* PE stretch film specifications */
.film-spec-panel{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:0 0 22px}
.film-spec-card{border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,#fff,#f8fafb);padding:22px;box-shadow:0 8px 22px rgba(21,35,49,.045)}
.film-spec-card .spec-type{display:inline-block;font-size:12px;font-weight:900;color:var(--green);background:#edf7f3;padding:5px 9px;border-radius:999px;margin-bottom:10px}
.film-spec-card>strong{display:block;font-size:21px;color:var(--navy);margin-bottom:12px}
.spec-detail{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-top:1px solid #e9edf0;font-size:13px}
.spec-detail span{color:var(--muted)}.spec-detail b{font-size:13px;color:var(--ink)}
.custom-spec-card{border-color:#d8c496;background:linear-gradient(160deg,#fffdf6,#fff)}
.custom-spec-card p{color:var(--muted);font-size:13px;margin:0 0 14px}
@media (max-width:900px){.film-spec-panel{grid-template-columns:1fr 1fr}.custom-spec-card{grid-column:1/-1}}
@media (max-width:620px){.film-spec-panel{grid-template-columns:1fr}.custom-spec-card{grid-column:auto}}

/* BOPP sealing tape workshop */
.bopp-factory-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin:52px 0 18px;padding-top:30px;border-top:1px solid var(--line)}
.bopp-factory-head h3{font-size:28px;margin:2px 0 0}
.bopp-factory-head p{max-width:560px;color:var(--muted);margin:0}
.bopp-factory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.bopp-factory-grid .gallery-card img{height:300px;object-fit:cover}
@media (max-width:900px){.bopp-factory-head{align-items:start;flex-direction:column;gap:8px}.bopp-factory-grid{grid-template-columns:1fr 1fr}.bopp-factory-grid .gallery-card-wide{grid-column:auto}}
@media (max-width:620px){.bopp-factory-grid{grid-template-columns:1fr}.bopp-factory-grid .gallery-card img{height:260px}.bopp-factory-head{margin-top:36px}}


/* Warehouse gallery */
.warehouse-gallery-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin:52px 0 18px;padding-top:30px;border-top:1px solid var(--line)}
.warehouse-gallery-head h3{font-size:28px;margin:2px 0 0}
.warehouse-gallery-head p{max-width:560px;color:var(--muted);margin:0}
.warehouse-gallery-grid{display:grid;grid-template-columns:2fr 1fr;gap:16px}
.warehouse-gallery-grid .gallery-card-wide{grid-column:auto}
@media (max-width:900px){.warehouse-gallery-head{align-items:start;flex-direction:column;gap:8px}.warehouse-gallery-grid{grid-template-columns:1fr}}
@media (max-width:620px){.warehouse-gallery-head{margin-top:36px}}

/* BOPP spec panel */
.bopp-spec-panel{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:22px 0 28px}
@media (max-width:900px){.bopp-spec-panel{grid-template-columns:1fr 1fr}.bopp-spec-panel .custom-spec-card{grid-column:1/-1}}
@media (max-width:620px){.bopp-spec-panel{grid-template-columns:1fr}.bopp-spec-panel .custom-spec-card{grid-column:auto}}

/* ICP filing display (site filing number, not the main entity filing number). */
.footer-filing{margin-top:26px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);text-align:center;font-size:13px}
.footer-filing a{color:#d5e0e8;text-decoration:underline;text-underline-offset:3px}
.footer-filing a:hover,.footer-filing a:focus-visible{color:#fff}
