:root{
  --navy:#0b2f6b;--blue:#0d4e9b;--red:#e31b23;--ink:#142033;
  --muted:#667085;--line:#e7ebf0;--soft:#f6f8fb;--white:#fff;
}
*{box-sizing:border-box} html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
a{text-decoration:none;color:inherit}.container{width:min(1160px,92%);margin:auto}
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{height:82px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:flex;align-items:center;gap:14px;font-weight:800;letter-spacing:.4px}
.brand img{height:58px;width:58px;object-fit:contain}.brand span{font-size:20px}
nav{display:flex;align-items:center;gap:26px;font-size:15px} nav a:hover{color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:8px;font-weight:700;transition:.2s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--red);color:#fff}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(227,27,35,.22)}
.btn-secondary{border-color:var(--navy);color:var(--navy);background:#fff}
.hero{padding:86px 0 70px;background:linear-gradient(135deg,#fff 0%,#f7f9fc 62%,#eef3f9 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:54px}
.kicker{color:var(--red);font-weight:800;letter-spacing:1.6px;text-transform:uppercase;font-size:13px}
.hero .kicker{font-size:clamp(20px,2vw,26px);line-height:1.5;letter-spacing:1px}
h1{font-size:56px;line-height:1.08;margin:14px 0 22px;letter-spacing:-1.5px}
.hero p{font-size:19px;color:var(--muted);max-width:640px}.actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 18px 50px rgba(14,42,84,.10)}
.hero-card img{width:100%;height:420px;object-fit:cover;border-radius:12px}
.hero-note{display:flex;justify-content:space-between;gap:12px;margin-top:14px;font-size:14px;color:var(--muted)}
section{padding:82px 0}.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:38px;margin:0 0 12px;letter-spacing:-.6px}.section-head p{color:var(--muted);margin:0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{border:1px solid var(--line);border-radius:14px;padding:26px;background:#fff}
.card h3{margin:10px 0 8px;font-size:21px}.card p{color:var(--muted);margin:0}
.num{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#eef3fb;color:var(--blue);font-weight:800}
.soft{background:var(--soft)}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.product-grid img{display:block;width:100%;height:auto;border-radius:14px;border:1px solid var(--line)}
.list{padding:0;margin:18px 0 0;list-style:none}.list li{padding:8px 0 8px 28px;position:relative}
.list li:before{content:"✓";position:absolute;left:0;color:var(--red);font-weight:800}
.cta{background:var(--navy);color:#fff;border-radius:18px;padding:42px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta p{color:#dfe8f7;margin:8px 0 0}.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px}
.info-block{padding:24px;border:1px solid var(--line);border-radius:14px}.info-block strong{display:block;margin-bottom:6px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form input,.form textarea{width:100%;padding:14px 15px;border:1px solid #d7dce3;border-radius:8px;font:inherit}
.form textarea{grid-column:1/-1;min-height:140px;resize:vertical}.form .full{grid-column:1/-1}
footer{background:#0b1830;color:#d8e0ed;padding:34px 0;margin-top:30px}
.footer-flex{display:flex;justify-content:space-between;gap:30px;align-items:center}.small{font-size:13px;color:#8fa1bb}
.page-hero{padding:68px 0;background:var(--soft)}.page-hero h1{font-size:44px;margin-bottom:10px}.page-hero .container>p{font-size:19px}.breadcrumb{color:var(--muted);font-size:14px}
.table{width:100%;border-collapse:collapse;margin-top:18px}.table td{border-bottom:1px solid var(--line);padding:14px 10px;vertical-align:top}
.table td:first-child{font-weight:700;width:34%}
.whatsapp{position:fixed;right:22px;bottom:22px;background:#25D366;color:white;padding:13px 18px;border-radius:999px;font-weight:800;box-shadow:0 12px 30px rgba(0,0,0,.16);z-index:60}
@media(max-width:900px){
  nav{display:none}.hero-grid,.product-grid,.contact-grid{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr}
  h1{font-size:42px}.hero-card img{height:320px}.cta,.footer-flex{align-items:flex-start;flex-direction:column}
}

/* Mainland company page and navigation for all screen sizes. */
nav{gap:18px;flex-wrap:wrap}
.nav{height:auto;min-height:82px;padding-top:12px;padding-bottom:12px;gap:20px}
.brand{flex-shrink:0}
nav a[aria-current="page"]{color:var(--blue);font-weight:700}
.mainland-title{max-width:960px;line-height:1.35!important;letter-spacing:0;overflow-wrap:anywhere}
.company-facts{margin:0}
.company-facts dt{color:var(--muted);font-size:14px;margin-top:20px}
.company-facts dd{margin:4px 0 0;overflow-wrap:anywhere}
@media(max-width:1100px){
  .nav{flex-direction:column;align-items:flex-start;gap:12px}
  nav{display:flex;width:100%;gap:10px 18px}
}
@media(max-width:600px){
  header{position:relative}
  nav{font-size:14px}
  nav .btn{padding:8px 12px}
  .page-hero .mainland-title{font-size:30px}
  .cta{padding:26px}
}
/* Whole-site language selection and responsive navigation. */
body{font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif}
.navigation-area{display:flex;flex-direction:column;align-items:flex-end;gap:10px;min-width:0}
.language-control{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.language-control select{font:inherit;color:var(--ink);background:white;border:1px solid #aeb8c8;border-radius:6px;padding:7px 10px}
nav{gap:12px 18px}nav a{white-space:nowrap}
a:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.brand span{white-space:nowrap}.hero h1{font-size:clamp(34px,4vw,54px);line-height:1.15}
.company-name{overflow-wrap:anywhere;line-height:1.5}
.table th{text-align:left;font-weight:700;width:34%;border-bottom:1px solid var(--line);padding:14px 10px;vertical-align:top}
.form{margin-top:22px}.form label{display:block;font-size:14px}.form label>span{display:block;margin-bottom:6px}
.info-block+.info-block{margin-top:14px}.info-block p{margin-bottom:0}
.cta{flex-wrap:wrap}.cta>div:first-child{flex:1 1 320px}.cta .actions{margin-top:0}
.footer-flex>div{min-width:0}.small a{overflow-wrap:anywhere}footer{padding-bottom:90px}
html[lang="zh-CN"] h1{letter-spacing:0;line-height:1.35}
@media(max-width:1100px){.navigation-area{align-items:flex-start;width:100%}.nav{gap:14px}.language-control{align-self:flex-end}}
@media(max-width:600px){section{padding:48px 0}.hero{padding:48px 0}.page-hero{padding:40px 0}.page-hero h1{font-size:32px}.brand span{font-size:18px}.brand img{height:44px;width:44px}.language-control{align-self:flex-start}.hero-note{flex-wrap:wrap}.hero-grid{gap:28px}.hero-card img{height:260px}.form{grid-template-columns:1fr}.section-head h2{font-size:30px}.cta>div:first-child{flex-basis:100%}}

/* Display the original WEISHILONG logo clearly without altering the artwork. */
.brand img{width:104px;height:104px;object-fit:contain;flex-shrink:0}
@media(max-width:600px){.brand img{width:80px;height:80px}}
/* British technical heritage story. */
.heritage-story{border-top:1px solid var(--line);scroll-margin-top:150px}
.story-heading{max-width:820px;margin:0 auto 38px}.story-heading .kicker{font-size:clamp(22px,2vw,28px);line-height:1.5;letter-spacing:1px}.story-heading h2{font-size:clamp(27px,3vw,40px);line-height:1.45;color:var(--navy);margin:14px 0 22px;overflow-wrap:anywhere}.story-lead{font-size:20px;color:var(--muted)}
.story-reading{max-width:820px;margin:auto}.heritage-story p{line-height:1.95}.story-reading>p,.story-development p{font-size:17px;margin:0 0 28px}.story-photo{margin:30px 0}.story-photo img{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--line)}.story-photo figcaption{font-size:14px;color:var(--muted);margin-top:10px}.story-memory{border-left:3px solid var(--navy);padding:18px 24px;background:var(--soft)}
.story-development{display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:48px;margin:48px auto;max-width:980px}.story-development .story-photo{margin:0}.story-closing{max-width:980px;margin:0 auto;padding:28px;background:var(--navy);color:white;border-radius:12px;font-size:20px;font-weight:700}
@media(max-width:700px){.heritage-story{scroll-margin-top:20px}.story-development{grid-template-columns:1fr;gap:10px}.story-development .story-photo{max-width:420px;margin:auto}.story-closing{font-size:18px}.story-lead{font-size:18px}}

.story-heading h1{font-size:clamp(27px,3vw,40px);line-height:1.45;letter-spacing:0;color:var(--navy);margin:14px 0 22px;overflow-wrap:anywhere}

#contact{scroll-margin-top:150px}#contact>.section-head{width:min(1160px,92%);max-width:none}@media(max-width:600px){#contact{scroll-margin-top:20px}}

.factory-map-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}.factory-map-links .btn{padding:9px 14px;font-size:14px}

/* Larger company identity in the shared site header. */
.brand{gap:18px;max-width:100%}
.brand img{width:144px;height:144px}
.brand span{font-size:28px;font-weight:800;line-height:1.2;letter-spacing:.3px}
.nav{flex-wrap:wrap}
.navigation-area{flex:1 1 560px}
@media(max-width:1100px){.navigation-area{flex:0 1 auto}}
@media(max-width:600px){
  .brand{gap:12px}
  .brand img{width:104px;height:104px}
  .brand span{font-size:24px;white-space:normal}
}

.service-markets{max-width:960px;margin-top:24px;padding-left:18px;border-left:3px solid var(--red);color:var(--navy);font-size:18px;line-height:1.8}

/* Shared layout refinements: readable navigation and comfortable touch targets. */
img{max-width:100%}
.hero-grid>*,.product-grid>*,.contact-grid>*{min-width:0}
.brand img{width:96px;height:96px}
.brand span{font-size:24px}
.navigation-area{flex:1 1 520px}
nav a{padding:8px 0;border-bottom:2px solid transparent}
nav a[aria-current="page"]{border-bottom-color:var(--red)}
.card{box-shadow:0 6px 24px rgba(14,42,84,.035)}
.card h3{color:var(--navy)}
.info-block a{color:var(--blue);overflow-wrap:anywhere}
.info-block a:hover,.small a:hover{text-decoration:underline}
.small{color:#b5c2d5}
.whatsapp{background:#137c40;min-height:48px;bottom:max(18px,env(safe-area-inset-bottom))}
.form input,.form textarea{font-size:16px}
.form input:focus,.form textarea:focus{border-color:var(--blue)}
.btn{min-height:46px}
@media(max-width:600px){
  .brand img{width:72px;height:72px}
  .brand span{font-size:22px}
  .nav{gap:8px;padding-top:8px;padding-bottom:10px}
  .navigation-area{flex:0 1 auto;gap:8px}
  nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px 10px}
  nav a{white-space:normal;text-align:center;display:flex;align-items:center;justify-content:center;min-height:44px;line-height:1.4;font-size:13px}
  .language-control{align-self:flex-end}
  .language-control select{min-height:40px}
  .hero .kicker{font-size:16px;letter-spacing:.5px}
  .hero-card{padding:14px}
  .actions>.btn{flex:1 1 150px;text-align:center}
  .table th,.table td{padding:12px 6px;overflow-wrap:anywhere}
  .whatsapp{right:14px;font-size:14px;padding:10px 16px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn{transition:none}
  .btn-primary:hover{transform:none}
}

/* Updated photography: preserve full product artwork and readable source sheets. */
.hero-card img{height:auto;aspect-ratio:1200/694;object-fit:contain;background:#fff}
.image-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}
.image-card{margin:0;min-width:0;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.image-card a{display:block;background:#fff}
.image-card a:focus-visible{outline-offset:-4px}
.image-card img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain}
.image-card figcaption{padding:16px 18px;color:var(--navy);font-size:16px;font-weight:700;overflow-wrap:anywhere}
.image-card--scene img{aspect-ratio:auto}
.image-card--document img{aspect-ratio:auto;max-height:520px;object-fit:contain}
.document-section .image-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
.team-section .image-gallery{grid-template-columns:minmax(0,760px);justify-content:center}
.story-reading>.image-card{margin:30px 0}
/* Keep standard page titles at the same scale as the home-page title. */
.page-hero h1{font-size:clamp(34px,4vw,54px);line-height:1.15}
@media(max-width:900px){.image-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.image-gallery,.document-section .image-gallery{grid-template-columns:1fr}.image-card figcaption{font-size:15px}}
.content-faq { max-width: 900px; }
/* Homepage product overview and photographic evidence. */
.home-product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.home-product-card{display:block;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.home-product-card img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;background:#fff;padding:12px}
.home-product-card>div{padding:18px 22px 24px}
.home-product-card h3{margin:0 0 8px;color:var(--navy);font-size:20px;line-height:1.5}
.home-product-card p{margin:0;color:var(--muted)}
.home-product-card--finishing img{object-fit:cover;object-position:center top;padding:0}
.home-four-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.home-two-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.home-customer-heading{margin:52px 0 24px;padding-top:36px;border-top:1px solid var(--line)}
.home-customer-heading h3{margin:0 0 8px;color:var(--navy);font-size:28px;line-height:1.35}
.home-customer-heading p{max-width:760px;margin:0;color:var(--muted)}
.home-scene img{aspect-ratio:4/3;object-fit:contain;background:var(--soft)}
.home-page .section-head{max-width:820px}
.home-page h2{line-height:1.35}
.home-page section[id]{scroll-margin-top:160px}
#home-story .story-photo{margin:0}
#home-story [data-i18n="storyLabel"]{color:var(--red);font-weight:700}
#home-story h2{font-size:clamp(28px,3vw,38px);margin:12px 0 18px}
#home-story p{color:var(--muted)}
@media(max-width:1000px){.home-four-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){.home-product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.home-product-grid,.home-four-grid,.home-two-grid{grid-template-columns:1fr}.home-page section[id]{scroll-margin-top:20px}.home-product-card img{max-height:240px}}
.content-faq details { border-bottom: 1px solid #d5dfe7; padding: 18px 0; }
.content-faq summary { cursor: pointer; font-weight: 600; color: #16364b; padding: 8px 0; }
.content-faq summary:focus-visible { outline: 3px solid #2383b8; outline-offset: 4px; }
#selection-guide .card h3 { line-height: 1.5; }

/* Keep the company identity consistent across every page. */
.brand{gap:20px}
.brand img{width:152px;height:152px}
.brand .company-identity{display:block;min-width:0;font-size:28px}
.brand .company-registration{display:block;margin-top:8px;font-size:14px;font-weight:400;line-height:1.5;letter-spacing:0;color:var(--muted);white-space:normal}
.china-location-kicker{font-size:17px}
@media(max-width:600px){
  .brand{gap:12px}
  .brand img{width:112px;height:112px}
  .brand .company-identity{font-size:24px;white-space:normal}
  .brand .company-registration{font-size:13px}
}

/* Give the homepage trademark a stronger presence. */
.home-site .brand img{width:152px;height:152px}
.home-site .brand{gap:20px}
.home-site .company-identity{display:block;min-width:0;font-size:28px}
.home-site .company-registration{display:block;margin-top:8px;font-size:14px;font-weight:400;line-height:1.5;letter-spacing:0;color:var(--muted);white-space:normal}
.home-site .hero h1{font-size:clamp(30px,3.1vw,44px);margin-bottom:10px}
.hero .hero-benefits{margin:0 0 16px;color:var(--navy);font-size:clamp(18px,1.7vw,22px);font-weight:700;line-height:1.55}
@media(max-width:600px){
  .home-site .brand img{width:112px;height:112px}
  .home-site .brand{gap:12px}
  .home-site .brand span{white-space:normal;font-size:24px}
  .home-site .company-registration{font-size:13px}
}