/* 盛鸿品牌层：桌面与移动端共用，无外部字体或 CDN 依赖。 */
:root{--c-primary:#1c3751;--c-primary-dark:#14283b;--c-primary-light:#375573;--c-accent:#597189;--c-accent-2:#9eb5cb;--c-ink:#1b2936;--c-text:#4c535a;--c-gray:#6e747a;--c-gray-light:#7c8287;--c-line:#dbdfe4;--c-bg:#eff2f5;--c-bg-2:#e3e8ec;--grad-primary:linear-gradient(120deg,#1c3751,#2b4763);--wrap:1380px;--radius:3px;--radius-lg:5px;--header-h:90px;--shadow:0 8px 30px #192b3d0c;--shadow-lg:0 16px 40px #192b3d18}
body{background:#f9fbfd;letter-spacing:.2px}
[hidden]{display:none!important}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #7590aa;outline-offset:5px}
.wrap{padding-left:40px;padding-right:40px}
.topbar{height:31px;line-height:31px;background:#192f46;font-size:10px;letter-spacing:2px;color:#d5dce2}
.header{background:#f9fbfdf5}.logo img{height:42px;width:44px}.logo__txt strong{font-size:22px;letter-spacing:2px}.logo__txt small{font-size:9px;letter-spacing:1px;margin-top:5px;color:#747a7f}
.nav__item>a{padding:0 13px;font-size:14px;font-weight:500}.nav__item>a::after{left:13px;right:13px;bottom:-8px;background:#1c3751}
.lang-link{font:12px Arial;border-right:1px solid var(--c-line);padding-right:18px}.header__actions{gap:18px}
.btn{box-shadow:none;border-radius:2px;font-size:14px;letter-spacing:.5px}.btn--primary:hover{box-shadow:0 8px 20px #1a314820}
.hero{height:650px;min-height:0;background:#e7ecf0}.hero__slide>img{object-position:center;transform:none!important}.hero__slide::after{background:linear-gradient(90deg,#e7ecf0 0%,#e7ecf0e8 23%,#e7ecf000 60%)}
.hero__box{max-width:620px;color:#1b2936}.hero__box .tagline{padding:0;border:0;border-radius:0;color:#44576a;font-size:10px;letter-spacing:2.5px;margin-bottom:25px}
.hero__box h1{font-size:clamp(36px,4.4vw,63px);line-height:1.35;letter-spacing:1px;font-weight:500;color:#192b3c;text-shadow:none}.hero__box .en{font:italic 15px Georgia,serif;letter-spacing:.8px;color:#616a72;margin-top:18px}
.hero__box p{font-size:14px;line-height:2;color:#62696f;max-width:430px;margin-top:24px}.hero__btns{margin-top:30px;gap:12px}.hero__btns .btn--ghost{color:#273a4d;border-color:transparent;background:transparent}
.hero__nav{bottom:27px}.hero__dots{align-items:center;gap:10px}.hero__dots button{background:#b3bdc7;height:3px;width:30px;position:relative}.hero__dots button::before{content:"";position:absolute;inset:-18px 0}.hero__dots button.is-active{background:#25394c;width:60px}
.hero__arrows button{border-color:#8698aa;color:#233649;border-radius:0;width:38px;height:38px}.hero__scroll{display:none}
.material-strip{background:#1d3349;color:#d2dde7;font-size:12px;letter-spacing:2px}.material-strip .wrap{display:flex;justify-content:space-between;align-items:center;gap:15px;padding-top:20px;padding-bottom:20px}.material-strip span:first-child{color:#fff}
.section{padding:94px 0}.sec-head{margin-bottom:28px}.sec-head .kicker,.kicker{font:10px Arial,sans-serif;letter-spacing:2px;color:#677481;display:inline-block;margin-bottom:18px}.sec-head h2{font-size:36px;line-height:1.5;font-weight:500;letter-spacing:1px}.sec-head h2 span{color:inherit}.sec-head .bar{height:2px;width:32px;margin-top:20px}
.section-heading{display:flex;justify-content:space-between;gap:35px;align-items:flex-end;margin-bottom:35px}.section-heading .sec-head{margin:0}.section-heading p{font-size:14px;max-width:680px}.section-heading>a{flex-shrink:0;margin-bottom:8px}
.about-home{gap:90px;grid-template-columns:1fr 1fr}.about-home__txt .p{font-size:14px;line-height:2.1}.about-home__vals{border-top:1px solid var(--c-line);padding-top:22px;margin-top:26px;margin-bottom:28px}.about-home__vals div{background:none;padding:0;text-align:left}.about-home__vals b{font-size:15px;font-weight:500}.about-home__vals span{font-size:9px;letter-spacing:1px}
.material-study{background:#e8ecf1;margin:0;align-self:stretch;display:flex;flex-direction:column;justify-content:center;overflow:hidden}.material-study>img{width:100%;height:auto}.material-study figcaption{display:flex;justify-content:space-between;padding:20px 25px;border-top:1px solid #d4dce3;font-size:10px;letter-spacing:1px;color:#5c6874}
.stats{background:#f9fbfd;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:0}.stats .grid{gap:0}.stat{padding:32px 15px;color:var(--c-ink);border-color:var(--c-line)!important}.stat b{color:var(--c-primary);font:48px Georgia,serif;letter-spacing:-1px}.stat b i{font:12px Arial;margin-left:8px;color:#616e7b}.stat>span{color:#5b6269;font-size:12px;margin-top:10px}.stat small{color:#7f8891;font:9px Arial;letter-spacing:1.5px;margin-top:8px}
.category-links{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #ced4da;border-bottom:1px solid #ced4da;margin:0 0 32px}.category-links a{padding:17px 18px;font-size:12px;border-right:1px solid #ced4da}.category-links a:last-child{border:0}.category-links a:hover{background:#e0e6eb}
.pcard{border:0;border-radius:0;background:#fff;box-shadow:none}.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.pcard__media{background:#e1e6eb}.pcard__body{padding:22px 20px}.pcard__body h3{font-size:17px;font-weight:500}.pcard__body .en{font-size:10px;letter-spacing:.4px;color:#787f86}.pcard__body p{font-size:12px;line-height:1.9;color:#787d82}.pcard__meta{font-size:10px}.pcard__tag{font-size:10px;border-radius:0;background:#263a4d}.pcard__ov{background:#14283b30}
.section--dark{background:#182b3d}.dark-strip::before{background:none}.sec-head--light .kicker{color:#8ea4bb}.eqcard{border:0;background:#25384a;border-radius:0}.eqcard__media{aspect-ratio:16/10}.eqcard__body{padding:24px}.eqcard__body h3{font-weight:500}.eqcard__body .en{color:#a7b6c4;font-size:10px}.eqcard__body p{font-size:12px}.manufacturing-note{display:flex;justify-content:space-between;margin-top:28px;padding-top:22px;border-top:1px solid #ffffff20;font-size:10px;letter-spacing:1px;color:#afb7c0}
.acard{aspect-ratio:4/3;border-radius:0}.acard::after{background:linear-gradient(0deg,#12202de0,#12202d00 75%)}.acard__body .en{color:#c3d1df;font-size:9px;letter-spacing:1px}.acard__body h3{font-size:21px;font-weight:500}.acard__body p{font-size:12px}
.ncard{border:0;border-bottom:1px solid var(--c-line);border-radius:0;background:transparent;box-shadow:none;padding:25px 0}.ncard__date{background:transparent;width:60px;color:#45596c}.ncard__date b{font-size:32px;font-weight:400;color:#45596c}.ncard__date span{font-size:8px;letter-spacing:1px}.ncard__body h3{font-size:17px;font-weight:500}.ncard__body p{font-size:12px}
.cta{background:#d8e0e8;color:var(--c-primary)}.cta::after{width:460px;height:460px;border:1px solid #9aaab938;right:22%;top:-40px}.cta .wrap{padding-top:65px;padding-bottom:65px}.cta h2{color:#223445;font-size:38px;font-weight:500;line-height:1.5}.cta p{color:#5f6a74;font-size:13px;margin-top:18px}.cta .btn--ghost{background:#1e354b;color:#fff;border-color:#1e354b;min-width:175px}
.footer{background:#111e2c;color:#b2b8be;padding-top:65px}.footer-wordmark{font:25px Arial;letter-spacing:2px;color:#dbe3eb;margin-bottom:20px}.footer-wordmark span{display:block;font-size:13px;letter-spacing:5px;margin-top:8px}.footer__brand p{font-size:11px;margin-bottom:12px;color:#a8afb5}.footer h4{font-size:13px;font-weight:500}.footer__links a,.footer p{font-size:12px}.footer__links li{margin-bottom:8px}.footer__top{grid-template-columns:1.6fr .8fr 1fr 1.2fr}.footer-inquiry{display:inline-block;border-bottom:1px solid #6d8093;padding-bottom:8px;margin-top:25px;font-size:12px}.footer__bottom{font-size:10px;color:#939ba3}
.sidebar-float a{border-radius:4px;box-shadow:var(--shadow)}.totop{bottom:90px;border-radius:4px}.totop svg{width:21px;height:21px}.pagebanner{height:300px}.pagebanner::after{background:linear-gradient(90deg,#122639f0,#192f45c0 50%,#192f4530)}.pagebanner .en{color:#afc2d4;font-size:11px}.pagebanner h1{font-weight:500}.pagebanner p{font-size:14px}
.product-search{max-width:700px;margin:0 auto 25px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}.product-search label{font-size:13px}.product-search input{min-width:180px;flex:1;background:white;border:1px solid var(--c-line);padding:12px 15px;border-radius:2px;font-size:13px}.product-search span{font-size:12px;color:#66717c}.filter button{border-radius:2px;font-size:13px}.filter button.is-active{box-shadow:none}
.contact-note{margin-top:28px;border-top:1px solid var(--c-line);padding-top:25px}.contact-note>span{font:10px Arial;letter-spacing:2px;color:#7c8995}.contact-note h3{font-size:25px;font-weight:500;margin:15px 0}.contact-note p{font-size:13px;color:#747d85;margin:16px 0}.cinfo__item{padding:18px 20px;border-radius:2px}.cinfo__item b{font-size:15px;font-weight:500}#inquiryOutput{width:100%;margin:18px 0;min-height:200px;border:1px solid var(--c-line);padding:18px;background:#f2f5f8;font-size:13px;line-height:1.8}.inquiry-actions{display:flex;gap:10px;flex-wrap:wrap}
.reveal{opacity:1;transform:none}.section--dark .card h3{color:var(--c-ink)}.section--dark .card p{color:var(--c-gray)}section[id]{scroll-margin-top:100px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:50px;align-items:start}.article-layout>*{min-width:0}
@media(max-width:992px){.article-layout{grid-template-columns:minmax(0,1fr);gap:35px}.article-layout>aside{position:static!important}}
@media(min-width:993px) and (max-width:1200px){.wrap{padding-left:26px;padding-right:26px}.nav__item>a{font-size:12px;padding:0 8px}.logo__txt strong{font-size:18px}.header__actions .btn{padding:0 12px}.logo img{height:36px;width:36px}.header__actions{gap:10px}}
@media(max-width:992px){.wrap{padding-left:26px;padding-right:26px}.about-home{grid-template-columns:1fr;gap:35px}.section{padding:65px 0}.section-heading{align-items:flex-start}.hero{height:620px}.hero__box h1{font-size:48px}.hero__slide>img{object-position:60% center}.hero__slide::after{background:linear-gradient(90deg,#e7ecf0f0,#e7ecf0bb 45%,#e7ecf010)}.stats .grid{grid-template-columns:repeat(2,1fr)}.footer__top{grid-template-columns:repeat(2,1fr)}.category-links{grid-template-columns:repeat(2,1fr)}.category-links a{border-bottom:1px solid #ced4da}.section-heading .btn{white-space:normal;text-align:center}.topbar .wrap>span:last-child{font-size:8px;letter-spacing:.8px}.material-study{max-width:650px;width:100%;justify-self:center}}
@media(max-width:768px){:root{--header-h:74px}.wrap{padding-left:20px;padding-right:20px}.logo img{height:34px;width:34px}.logo__txt strong{font-size:19px}.logo__txt small{font-size:8px}.header__actions{gap:10px}.lang-link{padding-right:10px}.hero{height:650px;min-height:0}.hero__inner{position:absolute;display:block;padding:52px 0 0}.hero__box h1{font-size:37px;line-height:1.4}.hero__box .tagline{font-size:8px;letter-spacing:1.4px;margin-bottom:17px}.hero__box .en{font-size:12px}.hero__box p{font-size:12px;max-width:330px;margin-top:18px}.hero__btns{margin-top:20px}.hero__slide>img{object-position:73% center;opacity:.56}.hero__slide::after{background:linear-gradient(180deg,#e7ecf0f5 0%,#e7ecf0d0 43%,#e7ecf010 100%)}.hero__nav{bottom:24px}.hero__arrows button{background:#e7ecf0aa}.material-strip .wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;font-size:10px;letter-spacing:1px}.material-strip span:first-child{grid-column:1/-1;border-bottom:1px solid #ffffff25;padding-bottom:12px}.section{padding:50px 0}.section-heading{display:block}.section-heading>a{margin:20px 0 0}.sec-head h2{font-size:28px}.sec-head p{font-size:13px}.grid{gap:22px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.pcard__body{padding:15px 12px}.pcard__body h3{font-size:15px}.pcard__body .en{font-size:9px;min-height:30px}.pcard__body p{font-size:11px}.pcard__meta{display:block;font-size:9px}.pcard__meta span{display:block}.stat b{font-size:36px}.stat{padding:23px 8px}.stat>span{font-size:11px}.stat small{font-size:8px}.cta h2{font-size:29px}.cta .wrap{padding-top:45px;padding-bottom:45px}.footer__top{grid-template-columns:1fr 1fr;gap:30px 20px}.footer__brand{grid-column:1/-1}.footer__top>div:last-child{grid-column:1/-1}.pagebanner{height:245px}.pagebanner p{font-size:12px}.pagebanner .en{font-size:9px}.pagebanner h1{font-size:29px}.category-links a{font-size:10px;padding:14px 8px}.manufacturing-note{display:block}.manufacturing-note span{display:block;margin-bottom:8px}.ncard{flex-direction:row;gap:15px}.ncard__date{width:35px;flex-direction:column;justify-content:flex-start}.ncard__body h3{font-size:16px}.material-study figcaption{padding:16px;font-size:9px}.product-search input{flex-basis:65%}.filter{gap:8px}.filter button{padding:8px 12px;font-size:12px}.eq-grid .card{min-width:0}}
@media(max-width:370px){.wrap{padding-left:15px;padding-right:15px}.logo__txt strong{font-size:16px}.logo__txt small{font-size:7px}.logo{gap:6px}.hero__box h1{font-size:33px}.hero__btns .btn{padding:0 14px}.hero{height:665px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* 2026-10-09 hero photo slides: keep the supplied cover artwork intact. */
.hero__slide--photo .hero__inner{display:none}
.hero__slide--photo>img{object-fit:cover;object-position:center;transform:none!important}
.hero__slide--photo::after{background:transparent}
@media (max-width: 768px){.hero__slide--photo>img{object-position:center center}}