@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;600;700;800&display=swap');

:root{
  --navy:#0b2b3d;
  --blue:#1769aa;
  --cyan:#2b9bc4;
  --ink:#15232d;
  --muted:#62727c;
  --paper:#f6f8f9;
  --line:#dbe3e7;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}
main[id],section[id]{scroll-margin-top:76px}
body{margin:0;font-family:"Noto Sans TC",system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.8}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
.skip-link{position:fixed;left:16px;top:-100px;z-index:100;background:var(--navy);color:#fff;padding:10px 18px;border-radius:7px;font-weight:700}
.skip-link:focus{top:12px}
main:focus{outline:none}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.04em}
.brand img{width:auto;height:46px;object-fit:contain}
nav{display:flex;align-items:center;gap:28px;font-size:15px;font-weight:600}
nav a{padding:24px 0}
.nav-cta{background:var(--navy);color:#fff!important;padding:9px 17px!important;border-radius:7px}
.menu-btn{display:none;border:0;background:none;font-size:25px}
.lang-switch{position:relative}
.lang-toggle{display:flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;padding:8px 12px;border-radius:7px;font:inherit;font-size:14px;font-weight:700;color:var(--ink);cursor:pointer}
.lang-toggle:hover{border-color:var(--cyan)}
.lang-flag{font-size:16px;line-height:1}
.lang-caret{font-size:10px;color:var(--muted)}
.lang-menu{list-style:none;margin:8px 0 0;padding:6px;position:absolute;right:0;top:100%;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 30px rgba(11,43,61,.16);min-width:190px;z-index:30}
.lang-menu[hidden]{display:none}
.lang-menu li{margin:0}
.lang-menu button{display:flex;align-items:center;gap:10px;width:100%;border:0;background:none;padding:10px 12px;border-radius:7px;font:inherit;font-size:14px;font-weight:600;color:var(--ink);text-align:left;cursor:pointer}
.lang-menu button:hover{background:var(--paper)}
.lang-menu li[aria-selected="true"] button{color:var(--blue);background:var(--paper)}
.hero{position:relative;min-height:690px;display:flex;align-items:center;background:linear-gradient(120deg,#071e2b 0%,#0c3448 55%,#1b6b89 100%);overflow:hidden}
.hero:after{content:"";position:absolute;inset:0;background-image:url("assets/hero-desktop.jpg");background-size:cover;background-position:center;opacity:.3}
@media(max-width:850px){.hero:after{opacity:.12}}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,23,34,.94),rgba(5,23,34,.55),rgba(5,23,34,.2));z-index:1}
.hero-content{position:relative;z-index:2;color:#fff;padding:90px 0}
.eyebrow{font-size:12px;letter-spacing:.22em;font-weight:800;margin:0 0 14px;text-transform:uppercase}
.eyebrow.dark{color:var(--blue)}
.hero h1{font-size:clamp(38px,5.3vw,68px);line-height:1.2;margin:0 0 24px;letter-spacing:-.03em}
.hero h1 strong{font-weight:800}
.hero-text{max-width:680px;color:#e4eef2;font-size:18px}
.hero-actions{display:flex;gap:12px;margin:30px 0 48px}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:7px;padding:12px 23px;font-weight:700;transition:.2s}
.btn.primary{background:#fff;color:var(--navy)}
.btn.ghost{border:1px solid rgba(255,255,255,.55);color:#fff}
.btn.light{background:#eef4f7;color:var(--navy)}
.btn:hover{transform:translateY(-2px)}
.hero-facts{display:flex;gap:45px}
.hero-facts div{display:flex;flex-direction:column;border-left:2px solid rgba(255,255,255,.35);padding-left:15px}
.hero-facts b{font-size:22px}.hero-facts span{font-size:12px;color:#bfd0d8}
.section{padding:105px 0}
.two-col{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px}
h2{font-size:clamp(31px,4vw,46px);line-height:1.3;margin:0 0 25px;letter-spacing:-.025em}
.prose{color:#52636d;font-size:16px}
.prose p{margin:0 0 20px}
.products-section{background:var(--paper)}
.section-head{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px;align-items:end;margin-bottom:42px}
.section-head>p{color:var(--muted);margin:0;justify-self:start}
@media(min-width:851px){
  :lang(zh-Hant) .section-head>p,:lang(zh-Hans) .section-head>p{white-space:nowrap}
}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.product-card{background:#fff;border:1px solid var(--line);padding:30px;min-height:290px}
.product-card .number{color:var(--cyan);font-weight:800;font-size:13px;letter-spacing:.1em}
.product-card h3{font-size:22px;margin:20px 0 10px}
.product-card p{color:var(--muted);font-size:14px}
.product-card ul{padding-left:18px;color:#42545f;font-size:14px}
.visual-break{background:var(--navy);color:#fff;padding:100px 0}
.visual-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}
.visual-grid h2{font-size:42px}
.visual-grid p{color:#c5d4db}
.visual-grid img{width:100%;height:auto;border-radius:5px}
.text-link{display:inline-block;margin-top:18px;font-weight:800;color:#fff;border-bottom:1px solid rgba(255,255,255,.5)}
.strength-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.strength-grid>div{border-top:3px solid var(--navy);padding-top:22px}
.strength-grid span{font-size:12px;color:var(--blue);font-weight:800}
.strength-grid h3{font-size:19px;margin:12px 0}
.strength-grid p{color:var(--muted);font-size:14px}
.process-band{position:relative;overflow:hidden;color:#fff;padding:90px 0;background:linear-gradient(120deg,#071e2b 0%,#0c3448 55%,#1b6b89 100%)}
.process-band:after{content:"";position:absolute;inset:0;background-image:url("assets/process-flow.jpg");background-size:cover;background-position:center;opacity:.12}
.process-band:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,23,34,.94),rgba(5,23,34,.55),rgba(5,23,34,.2));z-index:1}
.process-band .container{position:relative;z-index:2}
.process-band h2{margin:0 0 12px}
.process-band p{margin:0;color:#e4eef2;font-size:18px}
.quality-section{background:var(--paper)}
.quality-link{display:block;align-self:center;justify-self:center;width:100%;max-width:460px}
.quality-img{width:100%;border-radius:5px;border:1px solid var(--line)}
.timeline{border-top:1px solid var(--line)}
.timeline-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:50px}
.timeline-row>div{padding:25px;border-left:1px solid var(--line)}
.timeline-row b{display:block;font-size:22px;color:var(--blue);margin-bottom:8px}
.timeline-row span{font-size:14px;color:var(--muted)}
.contact{background:linear-gradient(125deg,#0b2b3d,#174c65);color:#fff;padding:95px 0}
.contact-grid{display:grid;grid-template-columns:1fr .85fr;gap:80px;align-items:center}
.contact h2{font-size:45px}.contact-grid>div>p:last-child{color:#c7d8df;max-width:620px}
.contact-card{background:#fff;color:var(--ink);padding:32px;border-radius:8px}
.contact-card>div{padding:15px 0;border-bottom:1px solid var(--line)}
.contact-card small{display:block;color:var(--muted);font-size:12px;margin-bottom:3px}
.contact-card strong,.contact-card a,.contact-card span{font-size:17px;font-weight:700}
.contact-actions{display:flex!important;gap:10px!important;border:0!important;padding-bottom:0!important}
footer{background:#071d29;color:#9fb2bc;padding:25px 0}
.footer-wrap{display:flex;justify-content:space-between;gap:20px;font-size:12px}
.footer-wrap div{display:flex;gap:18px}.footer-wrap strong{color:#fff}
@media(max-width:850px){
  nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;padding:10px 20px 20px;flex-direction:column;gap:0;box-shadow:0 8px 20px rgba(0,0,0,.08)}
  nav.open{display:flex}nav a{padding:11px 0;width:100%}.menu-btn{display:block}
  .lang-switch{width:100%;margin-top:6px;padding-top:14px;border-top:1px solid var(--line)}
  .lang-toggle{width:100%;justify-content:space-between}
  .lang-menu{position:static;box-shadow:none;border:0;padding:4px 0 0;margin-top:8px;width:100%;min-width:0}
  .hero:after{background-image:url("assets/hero-mobile.jpg")}
    .hero{min-height:650px}.hero-content{padding:70px 0}.hero-facts{gap:20px}
  .two-col,.visual-grid,.contact-grid{grid-template-columns:1fr;gap:35px}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .strength-grid{grid-template-columns:repeat(2,1fr)}
  .section-head{display:block}.section-head>p{margin-top:15px}
  .timeline-row{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .container{width:min(100% - 28px,1160px)}
  .brand span{font-size:14px}.brand img{width:auto;height:40px}
  .hero h1{font-size:38px}.hero-text{font-size:16px}.hero-facts{gap:12px;justify-content:space-between}.hero-facts b{font-size:18px}
  .product-grid,.strength-grid,.timeline-row{grid-template-columns:1fr}
  .section{padding:75px 0}.visual-break{padding:70px 0}.process-band{padding:65px 0}
  .visual-grid h2,.contact h2{font-size:33px}
  .contact-actions{flex-direction:column}
  .footer-wrap,.footer-wrap div{flex-direction:column;gap:5px}
}