:root{
  --navy-950:#071224; --navy-900:#0B1D38; --navy-850:#0F2547;
  --ink:#0E2036; --body:#51607A; --muted:#8391A8;
  --accent:#1F6BFF; --accent-deep:#0E56D0;
  --line:#E6EAF2; --bg-soft:#F2F5FA; --photo-bg:#EEF1F7;
  --radius:14px; --container:1120px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--body);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
section{padding:clamp(44px,5vw,68px) 0}
::selection{background:rgba(31,107,255,.18)}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.65,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .wave-track{animation:none!important}
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
}
/* Header */
.site-header{position:fixed;inset:0 0 auto 0;z-index:100;transition:background .35s ease,box-shadow .35s ease,border-color .35s ease;border-bottom:1px solid transparent}
.site-header.solid{background:rgba(7,17,34,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{max-width:var(--container);margin:0 auto;padding:0 24px;height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:baseline;gap:10px;color:#fff;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.logo .en{font-size:24px;letter-spacing:.04em}
.logo .zh{font-size:17px;font-weight:600;opacity:.92}
.main-nav{display:flex;align-items:center;gap:38px}
.main-nav a{position:relative;color:rgba(255,255,255,.82);font-size:15.5px;padding:6px 0;transition:color .25s}
.main-nav a:hover{color:#fff}
.main-nav a.active{color:#fff;font-weight:600}
.main-nav a.active::after{content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);width:18px;height:3px;border-radius:2px;background:var(--accent)}
.header-phone{display:flex;align-items:center;gap:9px;color:#fff;font-size:16px;font-weight:700;letter-spacing:.03em;transition:color .25s}
.header-phone svg{width:17px;height:17px;flex:none}
.header-phone:hover{color:#8FB6FF}
.nav-toggle{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;position:relative;z-index:120}
.nav-toggle span{position:absolute;left:11px;right:11px;height:2px;background:#fff;border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.nav-toggle span:nth-child(1){top:16px}
.nav-toggle span:nth-child(2){top:22px}
.nav-toggle span:nth-child(3){top:28px}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-nav{position:fixed;inset:0;z-index:110;background:linear-gradient(160deg,var(--navy-950),var(--navy-850));display:flex;flex-direction:column;justify-content:center;padding:0 40px;gap:8px;opacity:0;visibility:hidden;transition:opacity .35s ease,visibility .35s}
.mobile-nav.open{opacity:1;visibility:visible}
.mobile-nav a{color:#fff;font-size:26px;font-weight:600;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.mobile-nav .m-phone{display:inline-flex;align-items:center;gap:10px;margin-top:28px;padding:15px 30px;border-bottom:0;background:var(--accent);border-radius:999px;font-size:19px;justify-content:center}
/* Hero */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:0;background:var(--navy-950);overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.hero-shade{position:absolute;inset:0;background:linear-gradient(102deg,rgba(6,15,31,.94) 6%,rgba(8,22,45,.72) 48%,rgba(8,22,45,.42) 100%)}
.hero-shade::after{content:"";position:absolute;inset:auto 0 0 0;height:220px;background:linear-gradient(to top,var(--navy-950),transparent)}
.hero-content{position:relative;z-index:2;width:100%;padding-top:150px;padding-bottom:220px}
.hero h1{color:#fff;font-size:clamp(40px,6.2vw,78px);font-weight:800;line-height:1.22;letter-spacing:.015em;max-width:14em}
.hero-sub{margin-top:26px;color:rgba(255,255,255,.78);font-size:clamp(16px,1.8vw,21px);letter-spacing:.06em;font-weight:400}
.hero-actions{display:flex;gap:18px;margin-top:clamp(38px,6vh,72px);flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--font);font-size:17px;font-weight:600;letter-spacing:.04em;padding:16px 38px;border-radius:11px;border:1px solid transparent;cursor:pointer;transition:transform .25s ease,background .25s ease,border-color .25s ease,box-shadow .25s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep);box-shadow:0 12px 30px rgba(31,107,255,.35);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;background:transparent}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px)}
.hero-wave{position:absolute;left:0;right:0;bottom:-2px;height:clamp(140px,24vw,320px);z-index:1;overflow:hidden;pointer-events:none}
.wave-track{display:flex;width:200%;height:100%;animation:waveDrift 26s linear infinite}
.wave-track svg{width:50%;height:100%;flex:none}
@keyframes waveDrift{from{transform:translateX(0)}to{transform:translateX(-50%)}}
/* Section header */
.sec-head{display:flex;align-items:flex-start;gap:22px;margin-bottom:clamp(30px,4vw,48px)}
.sec-head .sec-sub{margin-top:8px;color:var(--muted);font-size:clamp(15px,1.6vw,18px);letter-spacing:.05em}
.sec-head.split{width:100%;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.sec-bar{flex:none;width:7px;align-self:stretch;min-height:58px;background:linear-gradient(to bottom,var(--accent) 0 62%,rgba(31,107,255,.35) 62%);position:relative;border-radius:1px}
.sec-bar::before{content:"";position:absolute;left:-8px;top:0;bottom:0;width:3px;background:rgba(31,107,255,.35);border-radius:1px}
.more-link{display:inline-flex;align-items:center;gap:8px;color:var(--body);font-size:16px;transition:color .25s,gap .25s;white-space:nowrap;padding-bottom:6px}
.more-link svg{width:18px;height:18px}
.more-link:hover{color:var(--accent);gap:12px}
/* Products */
.products-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:26px}
.product-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .35s cubic-bezier(.2,.65,.3,1),box-shadow .35s ease,border-color .35s ease}
a.product-card:hover{transform:translateY(-7px);box-shadow:0 22px 44px rgba(14,32,54,.12);border-color:rgba(31,107,255,.45)}
.product-media{aspect-ratio:4/3;background:var(--photo-bg);overflow:hidden}
.product-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.65,.3,1)}
a.product-card:hover .product-media img,.pitem:hover .product-media img{transform:scale(1.05)}
.product-body{position:relative;padding:22px 24px 56px}
.product-body h3{color:var(--ink);font-size:21px;font-weight:700;letter-spacing:.02em}
.product-body .en{display:block;margin-top:6px;color:var(--muted);font-size:13.5px;letter-spacing:.02em}
.product-arrow{position:absolute;right:22px;bottom:20px;color:#B9C2D4;transition:color .3s,transform .3s}
.product-arrow svg{width:22px;height:22px;display:block}
a.product-card:hover .product-arrow{color:var(--accent);transform:translateX(4px)}
@media (min-width:1080px){.product-card{width:calc(25% - 19.5px)}}
@media (min-width:660px) and (max-width:1079px){.product-card{width:calc(50% - 13px)}}
@media (max-width:659px){.product-card{width:100%}}
/* About */
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(44px,6vw,88px);align-items:center}
.about-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:0 30px 60px rgba(14,32,54,.16)}
.about-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:10/9}
.about-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(11,29,56,.18),transparent 45%)}
.about-copy h2{color:var(--ink);font-size:clamp(42px,5.6vw,76px);font-weight:800;letter-spacing:.03em;line-height:1.15}
.about-lead{margin-top:clamp(20px,3vw,34px);color:var(--ink);font-size:clamp(17px,1.9vw,20px);font-weight:600;letter-spacing:.04em}
.about-copy p{margin-top:16px;font-size:clamp(15px,1.7vw,17px);color:var(--body)}
.about-stats{display:flex;margin-top:clamp(30px,4.5vw,52px);gap:clamp(28px,4vw,56px)}
.stat .num{color:var(--accent);font-size:clamp(42px,4.6vw,62px);font-weight:800;line-height:1.1;letter-spacing:.01em;font-variant-numeric:tabular-nums}
.stat .label{margin-top:6px;color:var(--body);font-size:15.5px;letter-spacing:.04em}
.about-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(26px,3.5vw,40px)}
.tag{padding:8px 20px;border:1px solid var(--line);border-radius:999px;color:var(--body);font-size:14.5px;letter-spacing:.08em;transition:color .25s,border-color .25s,background .25s}
.tag:hover{color:var(--accent);border-color:rgba(31,107,255,.5);background:rgba(31,107,255,.05)}
/* News */
.news{background:var(--bg-soft)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .35s cubic-bezier(.2,.65,.3,1),box-shadow .35s ease}
.news-card:hover{transform:translateY(-7px);box-shadow:0 22px 44px rgba(14,32,54,.1)}
.news-media{aspect-ratio:16/10;overflow:hidden;background:var(--photo-bg)}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.65,.3,1)}
.news-card:hover .news-media img{transform:scale(1.05)}
.news-body{display:flex;flex-direction:column;flex:1;padding:26px 28px 30px}
.news-date{color:var(--muted);font-size:14px;letter-spacing:.06em;font-variant-numeric:tabular-nums}
.news-body h3{margin-top:12px;color:var(--ink);font-size:20px;font-weight:700;line-height:1.55;letter-spacing:.01em}
.news-more{display:inline-flex;align-items:center;gap:7px;margin-top:auto;padding-top:20px;color:var(--accent);font-size:15px;font-weight:600;letter-spacing:.03em}
.news-more svg{width:16px;height:16px;transition:transform .3s}
.news-card:hover .news-more svg{transform:translateX(4px)}
@media (max-width:980px){.news-grid{grid-template-columns:1fr;max-width:560px}}
/* Contact / Footer */
.contact{background:linear-gradient(175deg,var(--navy-900) 0%,var(--navy-850) 100%);position:relative;overflow:hidden;padding-bottom:0}
.contact-wave{position:absolute;left:0;right:0;top:0;height:200px;opacity:.07;pointer-events:none}
.contact-wave svg{width:100%;height:100%}
.contact .container{position:relative;z-index:2}
.contact-top{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.contact-top h2{color:#fff;font-size:clamp(34px,4.6vw,58px);font-weight:800;letter-spacing:.03em}
.contact-top .contact-sub{margin-top:8px;color:rgba(255,255,255,.66);font-size:clamp(15px,1.7vw,18px);letter-spacing:.05em}
.btn-call{border-radius:999px;padding:19px 46px;font-size:clamp(16px,1.8vw,20px);font-weight:700;letter-spacing:.05em;background:var(--accent);color:#fff;display:inline-flex;align-items:center;gap:12px;transition:background .25s,transform .25s,box-shadow .25s}
.btn-call svg{width:20px;height:20px}
.btn-call:hover{background:var(--accent-deep);transform:translateY(-2px);box-shadow:0 14px 34px rgba(31,107,255,.4)}
.contact-cols{display:grid;grid-template-columns:1.2fr 1.2fr 1fr;gap:clamp(28px,3.5vw,52px);margin-top:clamp(26px,3.5vw,42px);padding-bottom:clamp(26px,3.5vw,42px)}
.contact-col{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.contact-body{display:flex;flex-direction:column;gap:4px}
.contact-col + .contact-col{border-left:1px solid rgba(255,255,255,.14);padding-left:clamp(28px,3.5vw,52px)}
.contact-icon{width:36px;height:36px;color:#fff}
.contact-icon svg{width:100%;height:100%}
.contact-col h4{color:#fff;font-size:17px;font-weight:700;letter-spacing:.1em}
.contact-col p, .contact-col a{color:rgba(255,255,255,.74);font-size:15px;line-height:1.75;letter-spacing:.02em}
.contact-col a{transition:color .25s}
.contact-col a:hover{color:#8FB6FF}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:18px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-logo{display:flex;flex-direction:column;line-height:1.3;color:#fff}
.footer-logo .en{font-size:21px;font-weight:800;letter-spacing:.05em}
.footer-logo .zh{font-size:14px;font-weight:600;opacity:.85;letter-spacing:.14em}
.footer-nav{display:flex;gap:30px;flex-wrap:wrap}
.footer-nav a{color:rgba(255,255,255,.66);font-size:15px;transition:color .25s}
.footer-nav a:hover{color:#fff}
.copyright{color:rgba(255,255,255,.5);font-size:14px;letter-spacing:.02em}
/* Inner pages */
.page-hero{position:relative;background:linear-gradient(160deg,var(--navy-950) 0%,var(--navy-850) 68%,#123061 100%);padding:clamp(104px,12vw,136px) 0 clamp(48px,6vw,68px);overflow:hidden}
.page-hero h1{color:#fff;font-size:clamp(32px,4.4vw,52px);font-weight:800;letter-spacing:.03em;line-height:1.25}
.count-badge{display:inline-block;margin-left:16px;vertical-align:middle;padding:6px 16px;border:1px solid rgba(255,255,255,.28);border-radius:999px;color:#8FB6FF;font-size:15px;font-weight:600;letter-spacing:.08em;white-space:nowrap}
.page-intro{margin-top:18px;color:rgba(255,255,255,.72);font-size:clamp(15px,1.7vw,17.5px);max-width:860px;letter-spacing:.02em}
.crumbs{margin-top:14px;color:rgba(255,255,255,.55);font-size:15px;letter-spacing:.05em}
.crumbs a{color:rgba(255,255,255,.75);transition:color .25s}
.crumbs a:hover{color:#fff}
.page-hero .hero-wave{height:clamp(80px,10vw,130px)}
.pitem .product-body{padding:20px 22px 30px}
.pitem .product-body h3{font-size:18.5px;line-height:1.55}
.pitem .product-body .en{font-size:12.5px}
.pitem:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(14,32,54,.12);border-color:rgba(31,107,255,.4)}
.cta-band{background:linear-gradient(135deg,var(--navy-900),var(--navy-850));border-radius:20px;padding:clamp(30px,4vw,48px) clamp(28px,5vw,64px);display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band h3{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:.03em}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.65);font-size:15.5px;letter-spacing:.03em}
.news-list{border-top:1px solid var(--line)}
.news-row{display:flex;align-items:center;gap:26px;padding:24px 10px;border-bottom:1px solid var(--line);transition:background .25s}
.news-row:hover{background:var(--bg-soft)}
.news-row .n-date{flex:none;color:var(--muted);font-size:14.5px;font-variant-numeric:tabular-nums;letter-spacing:.04em;width:110px}
.news-row .n-title{flex:1;color:var(--ink);font-size:17.5px;font-weight:600;letter-spacing:.01em;line-height:1.6}
.news-row .n-arrow{flex:none;color:#B9C2D4;width:20px;height:20px;transition:color .25s,transform .25s}
.news-row:hover .n-arrow{color:var(--accent);transform:translateX(4px)}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 32px;display:flex;flex-direction:column;gap:14px;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.info-card:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(14,32,54,.1);border-color:rgba(31,107,255,.4)}
.info-card .contact-icon{color:var(--accent);width:40px;height:40px}
.info-card h4{color:var(--ink);font-size:18px;font-weight:700;letter-spacing:.06em}
.info-card p,.info-card a{color:var(--body);font-size:16px;line-height:1.9;letter-spacing:.02em}
.info-card a:hover{color:var(--accent)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card-grid .span-all{grid-column:1/-1}
@media (max-width:980px){.card-grid{grid-template-columns:1fr}}
.values-band{background:var(--bg-soft);border-radius:20px;padding:clamp(28px,4vw,44px);text-align:center}
.values-band .v-title{color:var(--ink);font-size:clamp(20px,2.4vw,26px);font-weight:800;letter-spacing:.12em}
.values-band .v-items{margin-top:18px;display:flex;justify-content:center;flex-wrap:wrap;gap:14px 34px;color:var(--body);font-size:16.5px;letter-spacing:.06em;font-weight:600}
/* Responsive */
@media (max-width:960px){
  .main-nav,.header-phone{display:none}
  .nav-toggle{display:block}
  .header-inner{padding:0 20px;height:66px}
  .hero-content{padding-top:130px;padding-bottom:190px}
  .page-hero{padding-top:110px}
  .about-grid{grid-template-columns:1fr}
  .contact-cols{grid-template-columns:1fr;gap:0;margin-top:22px;padding-bottom:26px}
  .contact-col{flex-direction:row;align-items:flex-start;gap:12px;padding:12px 0}
  .contact-col + .contact-col{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.12);padding-top:12px}
  .contact-icon{width:24px;height:24px;flex:none;margin-top:2px}
  .contact-body{gap:3px}
  .contact-col h4{font-size:15px;letter-spacing:.08em}
  .contact-col p, .contact-col a{font-size:14.5px;line-height:1.7}
  .contact-top{gap:20px}
  .btn-call{padding:14px 30px;font-size:16px}
  .footer-inner{flex-direction:column;text-align:center;gap:14px}
  .footer-logo{align-items:center}
  .news-row{flex-wrap:wrap;gap:10px 18px;padding:20px 6px}
  .news-row .n-title{flex-basis:100%;order:3}
  .news-row .n-date{width:auto}
}
/* Product detail modal */
button.product-card{appearance:none;-webkit-appearance:none;font:inherit;color:inherit;text-align:left;cursor:pointer;padding:0}
.pmodal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:24px}
.pmodal.open{display:flex}
.pmodal-backdrop{position:absolute;inset:0;background:rgba(7,18,36,.8);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.pmodal-panel{position:relative;z-index:1;width:min(1080px,100%);max-height:min(88vh,900px);background:#fff;border-radius:20px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 40px 90px rgba(0,0,0,.35);animation:pmIn .32s cubic-bezier(.2,.65,.3,1)}
@keyframes pmIn{from{opacity:0;transform:translateY(26px) scale(.98)}to{opacity:1;transform:none}}
.pmodal-close{position:absolute;top:14px;right:14px;z-index:6;width:42px;height:42px;border:0;border-radius:50%;background:rgba(11,29,56,.5);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .25s}
.pmodal-close:hover{background:var(--navy-900)}
.pmodal-close svg{width:20px;height:20px}
.pmodal-body{overflow:auto;display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr)}
.pm-gallery{background:var(--navy-950);padding:26px;display:flex;flex-direction:column;gap:14px;position:sticky;top:0;align-self:start}
.pm-main{position:relative;min-height:300px;background:#fff;border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center;cursor:zoom-in}
.pm-main img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.pm-count{position:absolute;right:12px;bottom:10px;padding:4px 12px;border-radius:999px;background:rgba(7,18,36,.55);color:#fff;font-size:12.5px;letter-spacing:.08em;pointer-events:none}
.pm-thumbs{display:flex;gap:10px;flex-wrap:wrap}
.pm-thumb{width:72px;height:54px;border-radius:8px;overflow:hidden;border:2px solid transparent;background:#fff;padding:0;cursor:pointer;opacity:.7;transition:border-color .25s,opacity .25s}
.pm-thumb img{width:100%;height:100%;object-fit:cover}
.pm-thumb.on{border-color:var(--accent);opacity:1}
.pm-info{padding:34px 36px 40px}
.pm-cat{color:var(--accent);font-size:13.5px;font-weight:700;letter-spacing:.16em}
.pm-info h3{margin-top:8px;color:var(--ink);font-size:clamp(21px,2.3vw,26px);font-weight:800;line-height:1.45;letter-spacing:.02em}
.pm-spec{margin-top:8px;color:var(--muted);font-size:14.5px;letter-spacing:.03em}
.pm-table{margin-top:22px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.pm-table table{width:100%;border-collapse:collapse;font-size:15px}
.pm-table td{padding:11px 18px;border-top:1px solid var(--line);vertical-align:top;line-height:1.7}
.pm-table tr:first-child td{border-top:0}
.pm-table td:first-child{width:34%;background:var(--bg-soft);color:var(--ink);font-weight:600;letter-spacing:.03em}
.pm-desc{margin-top:26px}
.pm-desc h4{color:var(--ink);font-size:17px;font-weight:700;letter-spacing:.1em}
.pm-desc p{margin-top:12px;font-size:15.5px;line-height:1.95;color:var(--body)}
.pm-cta{margin-top:30px;padding-top:24px;border-top:1px solid var(--line);display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.pm-note{color:var(--muted);font-size:14px;letter-spacing:.03em}
.pm-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:6;width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.94);color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.2);transition:background .25s,color .25s}
.pm-nav:hover{background:var(--accent);color:#fff}
.pm-nav svg{width:20px;height:20px}
.pm-nav.prev{left:14px}
.pm-nav.next{right:14px}
.pm-lightbox{position:fixed;inset:0;z-index:300;background:rgba(7,18,36,.94);display:none;align-items:center;justify-content:center;padding:32px;cursor:zoom-out}
.pm-lightbox.open{display:flex}
.pm-lightbox img{max-width:100%;max-height:100%;object-fit:contain}
@media (max-width:860px){
  .pmodal{padding:12px}
  .pmodal-panel{max-height:92vh;border-radius:16px}
  .pmodal-body{grid-template-columns:1fr}
  .pm-gallery{position:static;padding:18px}
  .pm-main{min-height:240px}
  .pm-info{padding:24px 22px 30px}
  .pm-nav{display:none}
}

/* ===== search ===== */
.s-btn{width:38px;height:38px;border-radius:10px;border:1px solid rgba(11,29,56,.14);background:#fff;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex:none;padding:0}
.s-btn:hover{border-color:var(--accent);color:var(--accent)}
.s-btn svg{width:18px;height:18px}
.soverlay{position:fixed;inset:0;z-index:150;display:none}
.soverlay.open{display:block}
.soverlay-backdrop{position:absolute;inset:0;background:rgba(7,18,36,.6);backdrop-filter:blur(3px)}
.spanel{position:relative;max-width:620px;margin:11vh auto 0;background:#fff;border-radius:16px;box-shadow:0 30px 80px rgba(7,18,36,.35);display:flex;flex-direction:column;max-height:76vh;overflow:hidden}
.shead{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid rgba(11,29,56,.08)}
.shead>svg{width:20px;height:20px;color:var(--accent);flex:none}
#sInput{flex:1;min-width:0;border:0;outline:0;font:inherit;font-size:16px;color:var(--ink);background:transparent}
#sInput::placeholder{color:#9aa7bd}
.shead .s-btn{border:0;background:var(--bg-soft);border-radius:10px}
.sresults{overflow:auto;padding:8px 10px 12px}
.s-note{padding:16px;text-align:center;color:var(--muted);font-size:14px;margin:0}
.s-item{display:flex;align-items:center;gap:12px;width:100%;padding:9px 10px;border:0;border-radius:12px;background:none;cursor:pointer;text-align:left;font:inherit}
.s-item:hover{background:var(--bg-soft)}
.s-item img{width:56px;height:42px;object-fit:cover;border-radius:8px;flex:none;background:var(--bg-soft)}
.s-main{min-width:0;flex:1;display:flex;flex-direction:column;gap:2px}
.s-name{font-weight:600;color:var(--ink);font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.s-name mark,.s-meta mark{background:none;color:var(--accent);font-weight:700}
.s-meta{color:var(--muted);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.s-cat{flex:none;margin-left:auto;font-size:12px;color:var(--accent);background:rgba(31,107,255,.08);border-radius:99px;padding:4px 10px}
@media (max-width:640px){.spanel{margin:8vh 14px 0;max-height:80vh}.s-cat{display:none}.s-btn{width:40px;height:40px}}

/* ===== wechat qr ===== */
.contact-cols.has-wechat{grid-template-columns:1.1fr 1.15fr 1fr .95fr}
.qr-btn{display:flex;flex-direction:column;align-items:flex-start;gap:6px;background:none;border:0;padding:0;cursor:pointer;font:inherit;text-align:left}
.qr-btn img{width:88px;height:88px;object-fit:cover;border-radius:10px;border:2px solid rgba(255,255,255,.25);transition:border-color .25s,transform .25s}
.qr-btn:hover img{border-color:var(--accent);transform:translateY(-2px)}
.qr-btn span{color:rgba(255,255,255,.6);font-size:12.5px;letter-spacing:.05em}
.qr-view{position:fixed;inset:0;z-index:320;display:none;align-items:center;justify-content:center;padding:24px}
.qr-view.open{display:flex}
.qr-view-backdrop{position:absolute;inset:0;background:rgba(7,18,36,.82);backdrop-filter:blur(4px)}
.qr-view-box{position:relative;z-index:1;background:#fff;border-radius:16px;padding:18px;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.4);animation:pmIn .3s cubic-bezier(.2,.65,.3,1)}
.qr-view-box img{width:min(300px,64vw);height:auto;border-radius:10px;display:block}
.qr-view-box p{margin:12px 0 2px;color:var(--ink);font-size:14.5px;line-height:1.7;letter-spacing:.03em}
.qr-view-close{position:absolute;top:-14px;right:-14px;width:34px;height:34px;border:0;border-radius:50%;background:var(--navy-850);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.3)}
.qr-view-close svg{width:16px;height:16px}
@media (max-width:960px){.contact-cols.has-wechat{grid-template-columns:1fr}}

/* ===== dropdown nav ===== */
.main-nav .dd{position:relative;display:flex;align-items:center;padding:21px 0;margin:-21px 0}
.main-nav .dd>a::after{content:'';display:inline-block;width:0;height:0;border:4px solid transparent;border-top-color:currentColor;margin-left:7px;transform:translateY(2px);opacity:.7}
.dd-menu{position:absolute;top:100%;left:50%;transform:translate(-50%,12px);min-width:216px;background:#fff;border-radius:12px;box-shadow:0 18px 50px rgba(7,18,36,.2);padding:8px;opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s,transform .25s;z-index:130}
.dd-menu::before{content:'';position:absolute;top:-18px;left:0;right:0;height:18px}
.main-nav .dd.open .dd-menu{opacity:1;visibility:visible;transform:translate(-50%,0)}
.main-nav .dd>a{cursor:pointer}
.main-nav .dd-menu a.dd-all{color:var(--accent);font-weight:600;border-bottom:1px solid var(--line);border-radius:8px 8px 0 0;margin-bottom:4px}
.main-nav .dd-menu a{display:block;padding:9px 14px;border-radius:8px;color:var(--ink);font-size:14.5px;font-weight:500;white-space:nowrap;transition:background .2s,color .2s}
.main-nav .dd-menu a:hover{background:var(--bg-soft);color:var(--accent)}
.main-nav .dd-menu a.active{color:var(--accent)}
.mobile-nav{overflow-y:auto}
.mobile-nav .m-dd{display:flex;flex-direction:column}
.mobile-nav .m-toggle{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;background:none;border:0;color:#fff;font-size:26px;font-weight:600;font-family:inherit;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);cursor:pointer}
.mobile-nav .m-toggle svg{width:20px;height:20px;opacity:.6;transition:transform .3s}
.mobile-nav .m-dd.open .m-toggle svg{transform:rotate(180deg)}
.mobile-nav .m-sub{display:flex;flex-direction:column;padding-left:16px;margin:0;max-height:0;opacity:0;overflow:hidden;transition:max-height .4s ease,margin .4s ease,opacity .4s ease}
.mobile-nav .m-dd.open .m-sub{max-height:360px;margin:2px 0 10px;opacity:1}
.mobile-nav .m-sub a{color:rgba(255,255,255,.72);font-size:15px;font-weight:500;padding:7px 0;border-bottom:0}
/* about v2 */
.av-hero{background:linear-gradient(135deg,#0B1D38 0%,#071224 100%);color:#fff;position:relative;overflow:hidden}
.av-hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-top:clamp(44px,6vw,76px);padding-bottom:clamp(44px,6vw,76px)}
.av-eyebrow{font-size:13px;letter-spacing:.35em;color:rgba(255,255,255,.55);text-transform:uppercase}
.av-hero h1{font-size:clamp(30px,4.2vw,50px);font-weight:800;letter-spacing:.02em;line-height:1.25;margin:12px 0 16px}
.av-sub{color:rgba(255,255,255,.72);font-size:16px;line-height:1.8;max-width:520px}
.av-hero-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.av-hero-media img{width:100%;height:100%;min-height:320px;max-height:420px;object-fit:cover;display:block}
.av-wave{position:absolute;left:0;bottom:-4px;width:100%;height:90px;opacity:.07;pointer-events:none}
.av-wave path{fill:#fff}
.av-stats{background:#071224;color:#fff;border-top:1px solid rgba(255,255,255,.06)}
.av-stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;padding-top:clamp(28px,4vw,44px);padding-bottom:clamp(28px,4vw,44px)}
.av-stat .num{font-size:clamp(28px,3.4vw,42px);font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.av-stat .num i{font-style:normal;color:var(--accent)}
.av-stat .label{margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.6);letter-spacing:.14em}
.av-line{width:44px;height:3px;background:var(--accent);border-radius:2px}
.av-sec-title{text-align:center;margin-bottom:clamp(28px,4vw,44px)}
.av-sec-title h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:.06em}
.av-sec-title .av-line{margin:14px auto 0}
.av-sec-title p{color:var(--muted);margin-top:12px;font-size:15.5px}
.av-tl{position:relative;max-width:800px;margin:0 auto}
.av-tl::before{content:'';position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--accent),rgba(31,107,255,.12))}
.av-tl-item{position:relative;padding:0 0 30px 42px}
.av-tl-item:last-child{padding-bottom:0}
.av-tl-item::before{content:'';position:absolute;left:0;top:5px;width:16px;height:16px;border-radius:50%;background:#fff;border:4px solid var(--accent)}
.av-tl-year{font-size:15px;font-weight:800;color:var(--accent);letter-spacing:.18em;text-transform:uppercase}
.av-tl-item h3{font-size:17.5px;margin:5px 0 7px;font-weight:700}
.av-tl-item p{color:var(--muted);font-size:15.5px;line-height:1.8;max-width:620px}
.av-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.av-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:transform .3s,box-shadow .3s,border-color .3s}
.av-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(31,107,255,.4)}
.av-card .no{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.25em}
.av-card h3{font-size:17px;font-weight:700;margin:10px 0 8px}
.av-card p{font-size:14.5px;color:var(--muted);line-height:1.75}
.av-gal{display:grid;grid-template-columns:2fr 1fr 1fr;grid-auto-rows:minmax(150px,1fr);gap:14px}
.av-gal a{display:block;overflow:hidden;border-radius:var(--radius);height:100%}
.av-gal img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .45s}
.av-gal a:hover img{transform:scale(1.05)}
.av-gal .g1{grid-row:1/3}
.av-lines{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.av-line-item{display:flex;align-items:center;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:15px 20px;color:inherit;text-decoration:none;transition:transform .3s,box-shadow .3s,border-color .3s}
.av-line-item:hover{transform:translateX(5px);border-color:rgba(31,107,255,.45);box-shadow:var(--shadow)}
.av-line-item .n{font-size:14px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums}
.av-line-item b{font-size:16px;font-weight:700}
.av-line-item .d{font-size:13.5px;color:var(--muted);margin-left:auto;white-space:nowrap}
@media(max-width:900px){
  .av-hero .container{grid-template-columns:1fr;gap:32px}
  .av-hero-media img{min-height:220px;max-height:300px}
  .av-stats .container{grid-template-columns:repeat(2,1fr)}
  .av-cards{grid-template-columns:repeat(2,1fr)}
  .av-gal{grid-template-columns:1fr 1fr;grid-auto-rows:minmax(120px,auto)}
  .av-gal .g1{grid-row:auto;grid-column:1/3}
  .av-lines{grid-template-columns:1fr}
}
@media(max-width:560px){
  .av-cards{grid-template-columns:1fr}
  .av-stat .label{font-size:12px;letter-spacing:.08em}
}
/* article detail */
.art-hero{background:linear-gradient(135deg,#0B1D38 0%,#071224 100%);color:#fff;padding-top:clamp(34px,4.5vw,56px);padding-bottom:clamp(34px,4.5vw,56px)}
.art-hero .crumbs{font-size:13.5px;color:rgba(255,255,255,.55)}
.art-hero .crumbs a{color:rgba(255,255,255,.65);text-decoration:none}
.art-hero .crumbs a:hover{color:#fff}
.art-hero h1{font-size:clamp(21px,2.8vw,32px);font-weight:800;line-height:1.45;margin:14px 0 0;max-width:880px}
.art-meta{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:16px;color:rgba(255,255,255,.6);font-size:14px}
.art-meta .tag2{background:rgba(31,107,255,.18);color:#9FC0FF;padding:4px 12px;border-radius:99px;font-size:13px;font-weight:600}
.art-content{margin-top:clamp(26px,4vw,38px);font-size:16px;line-height:1.95;color:var(--ink)}
.art-content p{margin:0 0 16px}
.art-content span{font-size:inherit!important}
.art-content img{max-width:100%!important;width:auto;height:auto;border-radius:var(--radius);display:block;margin:18px auto}
.art-content h2,.art-content h3{font-size:20px;font-weight:800;margin:28px 0 14px}
.art-content ul,.art-content ol{margin:0 0 16px;padding-left:22px}
.art-content li{margin-bottom:6px}
.art-content table{width:100%;border-collapse:collapse;margin:16px 0}
.art-content td,.art-content th{border:1px solid var(--line);padding:8px 10px;font-size:14.5px}
.art-content blockquote{border-left:3px solid var(--accent);background:#F4F7FB;padding:12px 16px;margin:0 0 16px;color:var(--muted)}
.art-content strong{color:inherit}
.art-narrow{max-width:780px;margin:0 auto}
.art-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:clamp(30px,4vw,48px)}
.art-nav a{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;color:inherit;text-decoration:none;transition:border-color .3s,box-shadow .3s}
.art-nav a:hover{border-color:rgba(31,107,255,.45);box-shadow:var(--shadow)}
.art-nav .dir{font-size:12.5px;color:var(--muted);letter-spacing:.12em}
.art-nav b{display:block;margin-top:6px;font-size:15px;font-weight:600;line-height:1.5}
.art-rel{margin-top:clamp(30px,4vw,48px)}
.art-rel h3{font-size:19px;font-weight:800;margin-bottom:16px}
.art-rel-list{display:grid;gap:10px}
.art-rel-list a{display:flex;justify-content:space-between;gap:16px;color:inherit;text-decoration:none;padding:13px 16px;background:var(--card);border:1px solid var(--line);border-radius:12px;transition:border-color .3s}
.art-rel-list a:hover{border-color:rgba(31,107,255,.45)}
.art-rel-list .t{font-size:14.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.art-rel-list .d{color:var(--muted);font-size:13px;flex-shrink:0}
@media(max-width:640px){.art-nav{grid-template-columns:1fr}.art-nav a:last-child{text-align:right}}
/* product detail */
.pd-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,44px);align-items:start;margin-top:clamp(26px,4vw,40px)}
.pd-main{position:relative;border-radius:var(--radius);overflow:hidden;background:#F4F7FB;border:1px solid var(--line);cursor:zoom-in}
.pd-main img{width:100%;height:100%;max-height:460px;object-fit:cover;display:block}
.pd-count{position:absolute;right:12px;bottom:12px;background:rgba(7,18,36,.72);color:#fff;font-size:12.5px;padding:4px 10px;border-radius:99px;pointer-events:none}
.pd-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:12px}
.pd-thumb{padding:0;border:2px solid var(--line);border-radius:10px;overflow:hidden;background:none;cursor:pointer;transition:border-color .25s;height:74px}
.pd-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.pd-thumb.on,.pd-thumb:hover{border-color:var(--accent)}
.pd-info h2{font-size:19px;font-weight:800;margin:26px 0 14px;padding-left:12px;border-left:3px solid var(--accent)}
.pd-info h2:first-child{margin-top:0}
.pd-params{width:100%;border-collapse:collapse}
.pd-params th,.pd-params td{border:1px solid var(--line);padding:10px 14px;font-size:14.5px;text-align:left;vertical-align:top}
.pd-params th{width:120px;background:#F4F7FB;color:var(--muted);font-weight:600;white-space:nowrap}
.pd-desc p{color:var(--ink);font-size:15.5px;line-height:1.9;margin:0 0 12px}
.pd-info .btn-call{margin-top:26px;width:100%}
.pd-rel{margin-top:clamp(34px,5vw,56px)}
.pd-rel h2{font-size:clamp(20px,2.6vw,26px);font-weight:800;margin-bottom:20px}
.pd-lightbox{position:fixed;inset:0;z-index:320;display:none;align-items:center;justify-content:center;background:rgba(7,18,36,.9);padding:30px;cursor:zoom-out}
.pd-lightbox.open{display:flex}
.pd-lightbox img{max-width:92vw;max-height:88vh;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.pd-lightbox .x{position:absolute;top:18px;right:20px;width:40px;height:40px;border:0;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;font-size:22px;line-height:1;cursor:pointer}
@media(max-width:900px){.pd-grid{grid-template-columns:1fr}.pd-thumb{height:60px}}
/* ===== news tabs ===== */
.news-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.nt-btn{padding:9px 22px;border-radius:99px;border:1px solid rgba(11,29,56,.14);background:#fff;color:var(--muted);font:inherit;font-size:14.5px;cursor:pointer;transition:.25s}
.nt-btn.on{background:var(--navy-850);border-color:var(--navy-850);color:#fff}
.nt-btn:not(.on):hover{border-color:var(--accent);color:var(--accent)}
.news-row.hidden{display:none}
.news-row .n-cat{flex:none;font-size:12px;color:var(--accent);background:rgba(31,107,255,.08);border-radius:99px;padding:4px 10px;letter-spacing:.04em}
@media (max-width:640px){.nt-btn{padding:8px 16px;font-size:14px}}