:root{--navy:#0b2e5e;--blue:#0d47a1;--dark:#061b33;--light:#eef5fc;--text:#1a1a1a;--white:#fff;--line:#d9e2ec;--container:1200px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);font-family:Inter,Arial,sans-serif;font-size:16px;line-height:1.55;background:#fff}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible{outline:3px solid #75aaff;outline-offset:3px}.container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}.skip-link{position:fixed;left:16px;top:-100px;z-index:9999;background:#fff;padding:12px}.skip-link:focus{top:16px}.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.site-header{height:76px;background:#fff;border-bottom:1px solid #e7ecf1;position:relative;z-index:50}.site-header__inner{height:100%;width:min(1280px,calc(100% - 48px));margin:auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:32px}.wordmark{font-size:1.75rem;font-weight:700;letter-spacing:.02em;color:#111}.custom-logo{max-height:48px;width:auto}.primary-navigation{justify-self:center}.menu{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0}.menu a{font-size:.88rem;font-weight:600;color:#17202b}.menu-item-has-children{position:relative}.sub-menu{display:none;position:absolute;top:100%;left:-16px;min-width:220px;background:#fff;list-style:none;padding:14px 0;margin:12px 0 0;border:1px solid var(--line);box-shadow:0 8px 20px rgba(6,27,51,.09)}.sub-menu a{display:block;padding:9px 16px}.menu-item-has-children:hover>.sub-menu,.menu-item-has-children:focus-within>.sub-menu{display:block}.header-actions,.button-row{display:flex;align-items:center;gap:12px}.button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:0 20px;border:1px solid var(--blue);background:var(--blue);color:#fff;font-weight:700;font-size:.85rem;transition:background-color .2s,border-color .2s,transform .2s}.button:hover{background:var(--navy);border-color:var(--navy);transform:translateY(-1px)}.button--outline{background:#fff;color:var(--blue)}.button--light-outline{background:transparent;border-color:rgba(255,255,255,.75);color:#fff}.button--white{background:#fff;border-color:#fff;color:var(--navy)}.menu-toggle{display:none;border:0;background:transparent}.hero{height:clamp(500px,38vw,560px);display:flex;align-items:center;position:relative;overflow:hidden;color:#fff;background:#182738}.hero__media,.hero__media:after{position:absolute;inset:0}.hero__media:after{content:"";background:linear-gradient(90deg,rgba(3,20,38,.84) 0%,rgba(3,20,38,.56) 45%,rgba(3,20,38,.12) 78%)}.hero__image{width:100%;height:100%;max-width:none;object-fit:cover;object-position:center}.hero__content{position:relative;z-index:1;padding-block:80px}.hero h1{max-width:700px;margin:0 0 20px;font-size:clamp(2.5rem,5vw,4.5rem);line-height:1.05;letter-spacing:-.035em}.hero p{max-width:620px;margin:0 0 30px;font-size:1.08rem;color:#edf3f8}.section{padding:82px 0}.materials-section{background:#f8fafc}.eyebrow{margin:0 0 12px;color:var(--blue);font-size:.78rem;font-weight:700;letter-spacing:.16em;text-align:center}.materials-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;margin-top:28px}.material-card{display:flex;flex-direction:column;min-width:0;background:#fff;border:1px solid var(--line);border-radius:1px;transition:transform .2s,border-color .2s}.material-card:hover{transform:translateY(-3px);border-color:#adc3dc}.material-card__media{height:330px;overflow:hidden;background:#dce4eb}.material-card__image{width:100%;height:100%;object-fit:cover}.material-card__body{display:flex;flex:1;flex-direction:column;padding:22px 24px;min-height:180px}.material-card h3{margin:0 0 8px;color:var(--navy);font-size:1.25rem;line-height:1.25}.material-card p{display:-webkit-box;overflow:hidden;margin:0 0 14px;color:#4b5663;-webkit-line-clamp:3;-webkit-box-orient:vertical}.material-card a,.text-link{margin-top:auto;color:var(--blue);font-weight:700;font-size:.9rem}.why-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:500px;background:var(--light)}.why-section__image{min-height:500px}.why-section__photo{width:100%;height:100%;object-fit:cover}.why-section__content{max-width:680px;padding:70px 56px}.why-section__content>.eyebrow{text-align:left}.why-section h2{margin:0 0 12px;color:var(--dark);font-size:2.1rem;line-height:1.2}.why-section__content>p:not(.eyebrow){max-width:600px;color:#445160}.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:36px 0}.value svg{width:34px;height:34px;fill:none;stroke:var(--blue);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.value h3{margin:10px 0 0;font-size:.93rem;line-height:1.35}.cta-section{background:var(--blue);color:#fff;padding:40px 0}.cta-section__inner{display:flex;align-items:center;justify-content:space-between;gap:32px}.cta-section h2{margin:0 0 4px;font-size:1.75rem}.cta-section p{margin:0;color:#dfeaff}.site-footer{background:var(--dark);color:#c9d4df;padding:62px 0 20px}.footer-grid,.footer-bottom{width:min(var(--container),calc(100% - 48px));margin:auto}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(4,1fr);gap:38px}.wordmark--footer{color:#fff}.footer-grid p{max-width:260px;font-size:.86rem}.footer-grid h2{margin:0 0 16px;color:#fff;font-size:.92rem;text-transform:uppercase;letter-spacing:.05em}.footer-grid ul{list-style:none;margin:0;padding:0}.footer-grid li{margin:0 0 8px;font-size:.8rem}.footer-grid a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.13);margin-top:44px;padding-top:18px;font-size:.75rem}.footer-bottom .menu{gap:16px}.footer-bottom .menu a{color:#c9d4df}.content-area{min-height:60vh;padding-block:70px}.content-area>h1,.content-area article>h1{color:var(--navy);font-size:clamp(2rem,5vw,3.5rem)}
.submenu-toggle{display:none;position:absolute;right:0;top:0;width:44px;height:44px;align-items:center;justify-content:center;border:0;background:transparent;color:var(--navy);font-size:1.25rem}.menu-item-mega-products{position:static!important}.products-mega-menu{display:none;position:absolute;top:100%;left:0;width:100%;z-index:100;background:#fff;border-top:1px solid #e5e7eb;border-bottom:1px solid #e5e7eb;box-shadow:0 8px 14px rgba(0,0,0,.05)}.menu-item-mega-products.mega-menu-open>.products-mega-menu,.menu-item-mega-products:hover>.products-mega-menu,.menu-item-mega-products:focus-within>.products-mega-menu{display:block}.products-mega-menu__inner{width:min(1200px,calc(100% - 48px));margin:0 auto;padding:30px 0 22px}.products-mega-menu__columns{position:static;display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr));gap:54px;width:100%;min-width:0;margin:0;padding:0 4px 26px;border:0;box-shadow:none}.products-mega-menu__columns>li{min-width:0}.products-mega-menu__columns>li>a{display:block;padding:0 0 10px;color:#222;font-size:1.08rem;font-weight:700}.products-mega-menu__columns .sub-menu{display:block;position:static;min-width:0;margin:0;padding:0;border:0;box-shadow:none}.products-mega-menu__columns .sub-menu a{display:block;padding:5px 0;color:#222;font-size:.91rem;font-weight:400;line-height:1.6;transition:color .15s,transform .15s}.products-mega-menu__columns .sub-menu a:hover,.products-mega-menu__columns .sub-menu a:focus{color:#123f35;text-decoration:underline;text-underline-offset:3px;transform:translateX(2px)}.products-mega-menu__guide{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 20px;background:#f1f5f3;color:#222}.products-mega-menu__guide strong{display:block;font-size:1rem}.products-mega-menu__guide span{font-size:.88rem;color:#4c5653}.products-mega-menu__guide a{color:#123f35;font-size:.9rem;font-weight:700;white-space:nowrap}.why-section{display:block;min-height:0;background:var(--light)}.why-section__inner{display:grid;grid-template-columns:41% 59%;width:min(1240px,100%);min-height:360px;margin:0 auto}.why-section__image{min-height:360px}.why-section__content{display:flex;flex-direction:column;justify-content:center;max-width:none;padding:40px 36px;background:var(--light)}.why-section__content>.eyebrow{margin-bottom:6px;text-align:left;font-size:.78rem;font-weight:600}.why-section h2{margin:0;color:#222;font-size:clamp(1.75rem,2.4vw,2.125rem);font-weight:700}.values-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;margin:34px 0 28px}.value{text-align:center}.value svg{width:44px;height:44px;margin:0 auto;stroke:var(--blue);stroke-width:1.7}.value h3{max-width:120px;margin:10px auto 0;font-size:.94rem;font-weight:600;line-height:1.35}.why-section__bar{width:100%;height:14px;background:var(--blue)}.why-section .text-link{align-self:flex-start;margin-top:0}.why-section .text-link:hover{text-decoration:underline;text-underline-offset:3px;color:var(--navy)}
@media(max-width:1150px) and (min-width:992px){.site-header__inner{gap:18px}.menu{gap:18px}.header-actions{gap:8px}.header-actions .button{padding-inline:12px}.products-mega-menu__columns{gap:34px}.why-section__content{padding-inline:30px}.values-grid{gap:18px}.value svg{width:40px;height:40px}}
@media(max-width:991px){.site-header__inner{grid-template-columns:auto auto 1fr}.menu-toggle{display:block;justify-self:end;font-weight:700}.menu-toggle span[aria-hidden]{display:inline-block;width:24px;height:2px;margin-left:8px;background:var(--navy);box-shadow:0 -7px var(--navy),0 7px var(--navy);vertical-align:middle}.primary-navigation{display:none;position:absolute;top:76px;left:0;width:100%;max-height:calc(100vh - 76px);overflow:auto;background:#fff;border-top:1px solid var(--line);padding:12px 24px}.primary-navigation.is-open{display:block}.primary-navigation .menu{display:block}.primary-navigation .menu li{position:relative}.primary-navigation .menu>li>a{display:flex;align-items:center;min-height:44px;padding:8px 48px 8px 0}.primary-navigation .sub-menu,.primary-navigation .products-mega-menu{display:none;position:static;width:100%;box-shadow:none;border:0;margin:0;padding:0 0 0 16px}.primary-navigation .submenu-open>.sub-menu,.primary-navigation .submenu-open>.products-mega-menu,.primary-navigation .mega-menu-open>.products-mega-menu{display:block}.primary-navigation .products-mega-menu__inner{width:100%;padding:0}.primary-navigation .products-mega-menu__columns{display:block!important;padding-left:12px}.primary-navigation .products-mega-menu__columns>li>a{display:flex;min-height:44px;align-items:center;padding-right:48px}.primary-navigation .products-mega-menu__columns .sub-menu{display:none;padding-left:14px}.primary-navigation .products-mega-menu__columns .submenu-open>.sub-menu{display:block}.products-mega-menu__guide{display:none}.submenu-toggle{display:flex}.header-actions{grid-row:1;grid-column:3;justify-self:end}.why-section__content{padding-inline:28px}.values-grid{gap:16px}.value svg{width:40px;height:40px}}
@media(max-width:767px){.container,.site-header__inner,.footer-grid,.footer-bottom{width:min(100% - 32px,var(--container))}.site-header{height:68px}.site-header__inner{grid-template-columns:1fr auto}.primary-navigation{top:68px;max-height:calc(100vh - 68px)}.header-actions{display:none}.menu-toggle{grid-column:2}.wordmark{font-size:1.45rem}.hero{min-height:500px;background-position:62% center}.hero__content{padding-block:72px}.hero h1{font-size:clamp(2.35rem,11vw,3.6rem)}.hero p{font-size:1rem}.section{padding:60px 0}.materials-grid{grid-template-columns:1fr;gap:22px}.material-card__media{height:260px}.material-card__body{min-height:170px;padding:20px}.why-section__inner{grid-template-columns:1fr;min-height:0}.why-section__image{height:250px;min-height:250px}.why-section__content{padding:38px 24px 36px}.why-section h2{font-size:1.8rem}.values-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px;margin:30px 0 28px}.value svg{width:42px;height:42px}.why-section__bar{height:12px}.cta-section__inner{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{align-items:flex-start;flex-direction:column}.footer-bottom .menu{flex-wrap:wrap}}
@media(max-width:479px){.button-row{align-items:stretch;flex-direction:column}.button{width:100%}.hero{min-height:540px}.material-card__media{height:240px}.values-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}
.site-footer .footer-grid a,.site-footer .footer-grid .menu a{color:#c9d4df}.site-footer .footer-grid a:hover,.site-footer .footer-grid .menu a:hover{color:#fff}
.yishu-email-link{text-decoration:none}.site-footer .yishu-email-link:hover,.site-footer .yishu-email-link:focus-visible,.contact-page .yishu-email-link:hover,.contact-page .yishu-email-link:focus-visible{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.footer-social{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.site-footer .footer-social a{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.24);color:#c9d4df;transition:border-color .2s,color .2s,background-color .2s}.site-footer .footer-social a:hover,.site-footer .footer-social a:focus-visible{border-color:#fff;background:rgba(255,255,255,.08);color:#fff}.footer-social svg{width:18px;height:18px;fill:currentColor}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.material-card,.button{transition:none}}

/* Product System V1 */
.product-breadcrumb{display:flex;flex-wrap:wrap;gap:8px;padding-block:18px;color:#66717d;font-size:.8rem}.product-breadcrumb a:hover{color:var(--blue)}.product-hero{padding:54px 0 64px;background:#f7f9fb}.product-hero__grid{display:grid;grid-template-columns:46% 54%;align-items:stretch;min-height:470px}.product-hero__copy{display:flex;flex-direction:column;justify-content:center;padding:40px 54px 40px 0}.product-id{margin:0 0 10px;color:var(--blue);font-size:.8rem;font-weight:700;letter-spacing:.1em}.product-hero h1{margin:0 0 20px;color:var(--dark);font-size:clamp(2.5rem,4.5vw,4rem);line-height:1.08;letter-spacing:-.035em}.product-intro{max-width:570px;margin:0 0 28px;color:#4b5663;font-size:1.05rem}.product-benefits{display:flex;flex-wrap:wrap;gap:10px 26px;margin:28px 0 0;padding:20px 0 0;border-top:1px solid var(--line);list-style:none}.product-benefits li:before{content:"✓";margin-right:8px;color:var(--blue);font-weight:700}.product-hero__media{min-height:430px;background:#e5ebf0}.product-hero__media img{width:100%;height:100%;object-fit:cover}.quick-specs{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.quick-specs__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.quick-specs__grid>div{padding:20px;border-right:1px solid var(--line)}.quick-specs span,.quick-specs strong{display:block}.quick-specs span{margin-bottom:4px;color:#71808e;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em}.quick-specs strong{color:var(--dark);font-size:.92rem}.product-nav{position:sticky;top:0;z-index:30;border-bottom:1px solid var(--line);background:#fff}.product-nav .container{display:flex;gap:30px;overflow-x:auto}.product-nav a{flex:none;padding:17px 0;border-bottom:2px solid transparent;color:#4b5663;font-size:.86rem;font-weight:600}.product-nav a:hover{border-color:var(--blue);color:var(--blue)}.product-content{max-width:1060px}.product-section{padding:76px 0;border-bottom:1px solid var(--line);scroll-margin-top:60px}.product-section>.eyebrow,.related-products .eyebrow{text-align:left}.product-section h2,.related-products h2{margin:0 0 28px;color:var(--dark);font-size:2rem}.table-scroll{overflow-x:auto}.spec-table{width:100%;border-collapse:collapse}.spec-table th,.spec-table td{padding:15px 18px;border:1px solid var(--line);text-align:left}.spec-table th{width:36%;background:#f6f8fa;color:#283747;font-weight:600}.compatibility-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}.compatibility-grid article{padding:22px;background:#fff}.compatibility-grid h3{margin:0 0 9px;font-size:1rem}.compatibility-grid strong{color:var(--blue);font-size:.82rem}.compatibility-grid p{margin:10px 0 0;color:#596674;font-size:.82rem}.application-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.application-grid a{padding:22px;border:1px solid var(--line)}.application-grid strong,.application-grid span{display:block}.application-grid strong{color:var(--navy)}.application-grid span{margin-top:8px;color:#596674;font-size:.84rem}.supply-list{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;list-style:none}.supply-list li{padding:11px 16px;border:1px solid var(--line);font-weight:600}.resource-links{display:flex;gap:16px}.resource-links a{padding:14px 18px;border:1px solid var(--blue);color:var(--blue);font-weight:700}.faq-list details{border-top:1px solid var(--line);padding:18px 0}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;color:var(--dark);font-weight:700}.faq-list p{color:#52606d}.related-products{padding:76px 0;background:#f5f8fb}.product-archive-header{padding:70px 0;background:var(--light);text-align:center}.product-archive-header h1{margin:0;color:var(--dark);font-size:clamp(2.4rem,5vw,4rem)}.term-description{max-width:700px;margin:16px auto 0}.product-archive-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding-block:64px}.product-card{display:flex;flex-direction:column;border:1px solid var(--line);background:#fff}.product-card__image{height:230px;overflow:hidden;background:#e8edf1}.product-card__image img{width:100%;height:100%;object-fit:cover}.product-card__body{display:flex;flex:1;flex-direction:column;padding:22px}.product-card h2{margin:0 0 10px;color:var(--navy);font-size:1.18rem}.product-card p{color:#596674;font-size:.9rem}.product-bottom-cta{padding:44px 0;background:var(--blue);color:#fff}.product-bottom-cta>.container{display:flex;align-items:center;justify-content:space-between;gap:30px}.product-bottom-cta h2{margin:0 0 4px;font-size:1.8rem}.product-bottom-cta p{margin:0;color:#dce8f7}
@media(max-width:991px){.product-hero__grid{grid-template-columns:1fr}.product-hero__copy{padding:24px 0 38px}.product-hero__media{min-height:380px}.compatibility-grid{grid-template-columns:repeat(2,1fr)}.application-grid,.product-archive-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:767px){.product-hero{padding:26px 0 42px}.product-hero__media{min-height:280px}.quick-specs__grid{grid-template-columns:repeat(2,1fr)}.product-nav .container{gap:22px}.product-section{padding:54px 0}.compatibility-grid,.application-grid,.product-archive-grid{grid-template-columns:1fr}.spec-table th,.spec-table td{min-width:150px;padding:12px}.product-bottom-cta>.container{align-items:flex-start;flex-direction:column}.product-bottom-cta .button-row{width:100%}}

.section-intro{max-width:680px;margin:-14px 0 30px;color:#596674}.product-printing{background:#f5f8fb;margin-inline:calc(50% - 50vw);padding-inline:max(24px,calc((100vw - 1060px)/2))}.printing-recommended{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.printing-recommended article{min-height:140px;padding:28px;border-top:4px solid var(--blue);background:#fff}.printing-recommended span{color:var(--blue);font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.printing-recommended h3{margin:24px 0 0;color:var(--dark);font-size:1.3rem}.printing-conditional{display:grid;grid-template-columns:220px 1fr;gap:28px;margin-top:34px;padding-top:28px;border-top:1px solid var(--line)}.printing-conditional>h3{margin:0;color:var(--dark);font-size:1rem}.printing-conditional>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px}.printing-conditional p{display:flex;justify-content:space-between;gap:16px;margin:0;padding:12px 0;border-bottom:1px solid var(--line);font-size:.88rem}.printing-conditional p span{color:#6c7885}.technical-note{margin-top:26px;padding:18px 20px;border-left:3px solid var(--navy);background:#e9eef3}.technical-note strong{color:var(--navy)}.technical-note p{margin:5px 0 0;color:#4c5967;font-size:.9rem}.product-applications{max-width:none}.product-applications .application-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.application-card{display:flex;min-width:0;flex-direction:column;border:1px solid var(--line);background:#fff;overflow:hidden}.application-card__media{display:block;height:240px;overflow:hidden;background:#e6ebef}.application-card__media img{width:100%;height:100%;object-fit:cover}.application-card__placeholder{display:flex;width:100%;height:100%;align-items:center;justify-content:center;color:#71808e;font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;background:linear-gradient(135deg,#eef2f5,#dfe6eb)}.application-card__body{display:flex;flex:1;flex-direction:column;padding:20px}.application-card__body>strong{color:var(--navy);font-size:1.08rem}.application-card__body>span{margin:8px 0 18px;color:#596674;font-size:.9rem}.application-card__body>a{margin-top:auto;color:var(--blue);font-size:.84rem;font-weight:700}.product-trust{display:grid;grid-template-columns:43% 57%;margin:76px 0;border:1px solid var(--line);background:var(--light)}.product-trust__media{min-height:500px}.product-trust__image{width:100%;height:100%;object-fit:cover}.product-trust__content{padding:50px 42px}.product-trust__content>.eyebrow{text-align:left}.product-trust h2{margin:0 0 30px;color:var(--dark);font-size:1.9rem;line-height:1.2}.product-trust ol{margin:0;padding:0;counter-reset:trust;list-style:none}.product-trust li{display:grid;grid-template-columns:42px 1fr;gap:0 14px;padding:15px 0;border-top:1px solid #cfdae5;counter-increment:trust}.product-trust li:before{content:"0" counter(trust);grid-row:1/3;color:var(--blue);font-size:.78rem;font-weight:700;letter-spacing:.06em}.product-trust li strong,.product-trust li span{display:block}.product-trust li strong{color:var(--dark);font-size:.96rem}.product-trust li span{margin-top:4px;color:#556372;font-size:.84rem;line-height:1.45}.product-bottom-cta{background:var(--dark)}
@media(max-width:991px){.printing-conditional{grid-template-columns:1fr}.product-trust{grid-template-columns:1fr}.product-trust__media{height:340px;min-height:0}.product-trust__content{padding:42px 32px}}
@media(max-width:767px){.printing-recommended,.printing-conditional>div{grid-template-columns:1fr}.printing-recommended article{min-height:115px}.product-printing{padding-inline:24px}.product-applications .application-grid{grid-template-columns:1fr}.application-card__media{height:240px}.product-trust{margin:54px 0}.product-trust__media{height:260px}.product-trust__content{padding:34px 22px}.product-trust h2{font-size:1.6rem}.product-bottom-cta h2{font-size:1.55rem}}
.application-card__placeholder{background:#e7edf2}
.printing-conditional p{flex-wrap:wrap}.printing-conditional small{flex-basis:100%;color:#647080;font-size:.82rem}
.specifications-image img,.product-card__image img{width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;background:#fff}.specification-groups{grid-template-columns:repeat(4,minmax(0,1fr))}.label-configurations article{border:1px solid #dce4ec;padding:18px}.label-configurations p+p:before{content:"↓";display:block;color:#0d47a1;margin-bottom:12px}.product-card__category{font-size:.75rem;text-transform:uppercase;color:#647080}.product-card__highlights{font-size:.82rem;padding-left:18px;color:#556372}
@media(max-width:991px){.specification-groups{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:767px){.specification-groups{grid-template-columns:1fr}}
.specification-selection{margin-top:34px;padding-top:28px;border-top:1px solid #dce4ec}.specification-selection h3,.specification-assistance h3{margin:0 0 10px;color:var(--navy);font-size:1.25rem}.specification-selection>p,.specification-assistance>p{max-width:800px;color:#556372}.specification-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:22px 0}.specification-groups article{padding:24px;background:#f3f7fb;border-top:3px solid var(--blue)}.specification-groups h4{margin:0 0 14px;color:var(--navy);font-size:1rem}.specification-groups strong{font-size:1.45rem;color:var(--blue)}.specification-groups p{margin:14px 0 0;font-size:.9rem;color:#556372}.specification-guidance{font-size:.85rem}.specification-assistance{margin:28px 0;padding:26px;border:1px solid #dce4ec}.specification-assistance .button-row{margin-top:20px}.full-specifications{border-top:1px solid #dce4ec;border-bottom:1px solid #dce4ec}.full-specifications>summary{display:list-item;min-height:44px;padding:18px 6px;cursor:pointer;color:var(--blue);font-weight:600}.full-specifications>summary:focus-visible{outline:2px solid var(--blue)}.full-specifications .table-scroll{padding-bottom:20px}
@media(max-width:767px){.specification-groups{grid-template-columns:1fr;gap:14px}.specification-groups article{padding:20px}.specification-assistance{padding:20px}.specification-assistance .button-row{flex-direction:column;align-items:stretch}}
.specifications-tables{min-width:0}.available-specifications-heading{margin:30px 0 14px;color:var(--navy);font-size:1.1rem}.sku-table thead th{background:#eef3f8}.sku-table td{min-width:0}.sku-table th{min-width:0}.specifications-layout{align-items:start}
.product-faq{width:100%;padding:52px 0;background:#f5f8fb}.product-faq>.container{max-width:1200px}.faq-item{border-bottom:1px solid #dce4ec}.faq-item h3{margin:0}.faq-question{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;min-height:56px;padding:18px 0;border:0;background:transparent;color:var(--navy);font:600 16px/1.5 Arial,sans-serif;text-align:left;cursor:pointer}.faq-question:after{content:"+";font-size:22px;flex:none}.faq-question[aria-expanded="true"]:after{content:"−"}.faq-question:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.faq-answer{padding:0 32px 18px 0;color:#556372;line-height:1.65}.faq-answer p{margin:0}.faq-answer[hidden]{display:none!important}.product-image-placeholder{width:100%;height:340px;background:#e7edf2}.product-card__image .product-image-placeholder{height:100%}
@media(max-width:767px){.product-faq{padding:36px 0}.product-image-placeholder{height:240px}.faq-question{font-size:15px}.faq-answer{padding-right:0}}
.quick-specs__grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:24px}.quick-specs__grid>div{min-width:0}.quick-specs__grid strong{overflow-wrap:anywhere}.product-tabs .product-applications .application-card__media{height:350px}.product-tabs .printing-recommended article{min-height:145px;border-top:4px solid var(--blue);background:white;padding:26px}.product-tabs .printing-recommended h3{font-size:1.5rem}.product-tabs .printing-conditional>div{display:block}.product-tabs .printing-conditional p{padding:10px 0}.printing-group-title{color:var(--navy);font-size:1rem;margin:0 0 18px}.product-trust.container{max-width:1200px;padding:0;margin:32px auto 64px}.product-trust__media{min-height:420px}
@media(max-width:991px){.quick-specs__grid{grid-template-columns:repeat(3,minmax(0,1fr))}.product-trust.container{margin-inline:24px}.product-trust__media{min-height:0}}
@media(max-width:767px){.quick-specs__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.product-tabs .product-applications .application-card__media{height:260px}.product-trust.container{margin:20px 24px 42px}}
.product-tabs .product-nav{position:static}.product-tabs .product-nav .container{display:flex;overflow-x:auto;gap:0}.product-tabs .product-nav a{flex:none;padding:18px 26px;border-bottom:3px solid transparent}.product-tabs .product-nav a[aria-selected="true"]{color:var(--blue);border-bottom-color:var(--blue)}.product-tabs a:focus-visible,.product-tabs [role="tabpanel"]:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.product-tabs [hidden]{display:none!important}.product-tabs .product-content{max-width:1200px}.product-tabs .product-section{padding:38px 0 48px;margin:0}.product-tabs .product-printing{padding:38px 28px 48px;margin:0;background:#f5f8fb}.specifications-layout{display:grid;grid-template-columns:55% 45%;align-items:start}.specifications-layout .table-scroll{min-width:0}.specifications-image{padding:0 0 0 32px}.specifications-image img{display:block;width:100%;height:340px;object-fit:cover}.product-tabs .application-card__media{height:300px}.product-tabs .application-card__body{padding:18px 20px}.product-tabs .printing-recommended article{min-height:0;padding:22px 26px}.product-tabs .printing-recommended h3{margin:10px 0 0}.related-products .product-archive-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:991px){.related-products .product-archive-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:767px){.specifications-layout{grid-template-columns:1fr}.specifications-image{padding:24px 0 0}.specifications-image img{height:240px}.product-tabs .product-nav a{padding:15px 18px}.product-tabs .product-section{padding:28px 0 36px}.product-tabs .product-printing{padding:28px 18px 36px}.product-tabs .application-card__media{height:250px}.related-products .product-archive-grid{grid-template-columns:1fr}.spec-table th,.spec-table td{min-width:0;overflow-wrap:anywhere}}
.product-tabs .application-card__media{height:auto;aspect-ratio:3/2}.product-tabs .application-card__media img{width:100%;height:100%;object-fit:cover}
.product-trademark-notice{padding:20px 0 28px;color:#687583;font-size:.78rem;line-height:1.55}.product-trademark-notice p{margin:0;border-top:1px solid var(--line);padding-top:18px}
.grade-selection-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:24px 0 16px}.grade-selection-cards article{position:relative;min-height:205px;padding:22px 18px;border:1px solid #d7e2ee;background:#fff;text-align:center}.grade-selection-number{position:absolute;top:12px;left:14px;color:#9db7d2;font-size:.68rem;font-weight:700;letter-spacing:.08em}.grade-selection-icon{display:block;width:34px;height:34px;margin:0 auto 14px;color:var(--blue)}.grade-selection-icon svg{display:block;width:100%;height:100%}.grade-selection-cards h4{margin:0 0 9px;color:var(--navy);font-size:.98rem}.grade-selection-cards p{margin:0;color:#5d6a78;font-size:.82rem;line-height:1.5}.grade-secondary{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid #dfe7ef;background:#f8fafc;color:#657382;font-size:.8rem}.grade-secondary strong{margin-right:4px;color:var(--navy)}.grade-secondary span{padding:7px 11px;border:1px solid #d7e2ee;background:#fff;color:#536272}.specification-assistance--compact{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:20px 22px;background:#eaf3fb}.specification-assistance--compact .specification-assistance__copy{min-width:0}.specification-assistance--compact .specification-assistance__copy p{max-width:680px;margin:4px 0 0}.specification-assistance--compact .button-row{flex:none;margin:0}
@media(max-width:991px){.grade-selection-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.specification-assistance--compact{align-items:flex-start;flex-direction:column}.specification-assistance--compact .button-row{margin-top:4px}}
@media(max-width:767px){.grade-selection-cards{grid-template-columns:1fr}.grade-selection-cards article{min-height:0}.grade-secondary{align-items:flex-start;flex-wrap:wrap}.grade-secondary strong{width:100%}.specification-assistance--compact .button-row{width:100%}}

/* Technical Data Sheets */
.tds-heading{padding:26px 0 42px;background:var(--light);border-bottom:1px solid var(--line)}.tds-heading .product-breadcrumb{padding:0 0 22px}.tds-heading h1{margin:0;color:var(--navy);font-size:clamp(2.35rem,4vw,3.6rem);line-height:1.08}.tds-heading p{max-width:760px;margin:16px 0 0;color:#536273}.tds-content{padding-block:54px 80px}.tds-filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;padding-bottom:22px;border-bottom:1px solid var(--line)}.tds-filters a{padding:9px 14px;border:1px solid var(--line);color:#465565;font-size:.84rem;font-weight:700}.tds-filters a:hover,.tds-filters a[aria-current="page"]{border-color:var(--blue);background:var(--blue);color:#fff}.tds-list>section{scroll-margin-top:24px}.tds-list>section+section{margin-top:46px}.tds-list h2{margin:0 0 14px;color:var(--navy);font-size:1.15rem}.tds-row{display:grid;grid-template-columns:1.15fr .65fr 1.4fr .55fr auto;align-items:center;gap:20px;padding:18px 20px;border-top:1px solid var(--line)}.tds-row:last-child{border-bottom:1px solid var(--line)}.tds-row div{min-width:0}.tds-row span,.tds-row strong{display:block}.tds-row span{margin-bottom:3px;color:#71808e;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase}.tds-row strong{overflow-wrap:anywhere;color:var(--dark);font-size:.88rem}.tds-row .button{white-space:nowrap}.tds-empty{max-width:820px;padding:36px;border:1px solid var(--line);background:#fbfcfd}.tds-empty h2{margin:0 0 10px;color:var(--navy);font-size:1.35rem}.tds-empty p{margin:0 0 24px;color:#596674}
@media(max-width:900px){.tds-row{grid-template-columns:repeat(2,minmax(0,1fr))}.tds-row .button{justify-self:start}}
@media(max-width:600px){.tds-heading{padding:20px 0 32px}.tds-content{padding-block:36px 54px}.tds-row{grid-template-columns:1fr;gap:14px;padding:18px 0}.tds-row .button{width:100%}.tds-empty{padding:24px}}
.product-construction-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:32px;align-items:center}.product-construction-image{aspect-ratio:4/3;overflow:hidden;background:#eef2f6}.product-construction-image img{width:100%;height:100%;object-fit:cover;display:block}.product-construction-layout .product-prose{margin:0}@media(max-width:767px){.product-construction-layout{grid-template-columns:1fr;gap:20px}}
.page-title-band{background:#edf5fc;padding:54px 0}.page-title-band h1{margin:6px 0 10px;font-size:clamp(2.25rem,5vw,4rem);color:#09264d}.page-title-band p{max-width:760px}.contact-layout,.about-intro{padding-top:64px;padding-bottom:64px}.contact-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:18px}.contact-form label{display:grid;gap:7px;font-weight:600;color:#0b2a55}.contact-form input,.contact-form textarea{width:100%;padding:12px;border:1px solid #cbd8e7;background:#fff;font:inherit}.contact-wide{grid-column:1/-1}.yishu-v2-honeypot{position:absolute!important;left:-10000px!important}.contact-form__notice{margin:0 0 20px;padding:14px 16px;border:1px solid #b8cce3;background:#edf5fc;color:#09264d}.contact-form__notice.is-error{border-color:#d8a9a9;background:#fff3f3;color:#761c1c}.about-intro>div{max-width:850px}.about-why{background:#f3f7fb;padding:70px 0}.about-why>.container{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px}.about-why-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.about-why-grid article,.resource-hub article{background:#fff;border:1px solid #d7e2ee;padding:24px}.about-market{padding-top:64px;padding-bottom:64px}.resource-hub{padding-top:60px;padding-bottom:60px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}@media(max-width:767px){.contact-layout,.about-why>.container{grid-template-columns:1fr;gap:30px}.contact-form,.about-why-grid,.resource-hub{grid-template-columns:1fr}.contact-wide{grid-column:auto}.page-title-band{padding:38px 0}}
.product-family-section{padding:56px 0;border-bottom:1px solid #e0e8f1}.product-family-section:nth-of-type(even){background:#f6f9fc}.product-family-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:26px}.product-family-heading h2{margin:.3rem 0;font-size:clamp(1.8rem,3vw,2.5rem)}@media(max-width:767px){.product-family-section{padding:38px 0}.product-family-heading{align-items:flex-start;flex-direction:column;gap:10px}}

/* Products mega menu ends directly after the three product columns. */
.products-mega-menu__inner{padding-bottom:12px}
.products-mega-menu__columns{padding-bottom:18px}
.contact-form select{width:100%;padding:12px;border:1px solid #cbd8e7;background:#fff;font:inherit}

/* Release candidate 1.6.0: clickable material cards, compact footer, inquiry feedback. */
.material-card__link{display:flex;flex:1;min-width:0;flex-direction:column;color:inherit}
.material-card__link:focus-visible{outline:3px solid #75aaff;outline-offset:3px}
.material-card__link .text-link{margin-top:auto;color:var(--blue);font-weight:700;font-size:.9rem}
.material-card:hover .text-link,.material-card:focus-within .text-link{text-decoration:underline;text-underline-offset:3px}
.footer-grid{grid-template-columns:minmax(210px,1.3fr) repeat(4,minmax(145px,1fr));gap:32px}
.footer-grid li{overflow-wrap:anywhere}
.footer-grid a{display:inline-block;line-height:1.45}
.footer-grid .menu{display:block}
.footer-grid .menu li{display:block;margin:0 0 8px}
.contact-form__notice.is-success{border-color:#78b79a;background:#eef9f3;color:#075d36;font-weight:700}
.contact-form__notice[tabindex="-1"]:focus{outline:3px solid #75aaff;outline-offset:2px}
.contact-form button[disabled],.why-v2-form button[disabled]{cursor:wait;opacity:.68;transform:none}
@media(max-width:991px){.footer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:767px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 22px}.footer-grid>div:first-child{grid-column:1/-1}.site-footer{padding-top:44px}.footer-bottom{margin-top:32px}}
@media(max-width:479px){.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}

/* Hierarchical TDS document center. */
.tds-library .tds-content{max-width:1040px}
.tds-primary{margin-bottom:16px;border:1px solid var(--line);background:#fff}
.tds-primary>h2,.tds-secondary>h3{margin:0}
.tds-primary button[data-tds-toggle],.tds-secondary button[data-tds-toggle]{display:flex;width:100%;align-items:center;justify-content:space-between;border:0;background:transparent;color:var(--navy);font:inherit;font-weight:700;text-align:left;cursor:pointer}
.tds-primary>h2>button{padding:22px 24px;font-size:1.15rem}
.tds-primary button[aria-expanded="true"]>span:last-child,.tds-secondary button[aria-expanded="true"]>span:last-child{transform:rotate(45deg)}
.tds-primary button>span:last-child,.tds-secondary button>span:last-child{color:var(--blue);font-size:1.5rem;line-height:1;transition:transform .18s}
.tds-primary__panel{padding:0 24px 24px;border-top:1px solid var(--line);background:#f8fafc}
.tds-primary__panel[hidden],.tds-secondary__panel[hidden]{display:none}
.tds-secondary{margin-top:16px;border:1px solid #d6e1ed;background:#fff}
.tds-secondary>h3>button{padding:17px 18px;font-size:.98rem}
.tds-secondary__panel{border-top:1px solid #d6e1ed}
.tds-document{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:17px 18px;border-bottom:1px solid #e4eaf1}
.tds-document:last-child{border-bottom:0}
.tds-document h4{margin:0;color:var(--dark);font-size:.94rem}
.tds-document p{margin:5px 0 0;color:#657180;font-size:.82rem}
.tds-download{flex:none;color:var(--blue);font-size:.86rem;font-weight:700}
.tds-download:hover{text-decoration:underline;text-underline-offset:3px}
@media(max-width:600px){.tds-primary>h2>button{padding:18px}.tds-primary__panel{padding:0 14px 16px}.tds-document{align-items:flex-start;flex-direction:column;gap:10px;padding:16px}.tds-download{width:100%;padding-top:10px;border-top:1px solid #edf1f5}}
.printing-guides-list{padding-top:64px;padding-bottom:80px}.printing-guides-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.printing-guide-card{display:flex;min-width:0;flex-direction:column;overflow:hidden;border:1px solid #dce5f0;background:#fff}.printing-guide-card__image{display:block;aspect-ratio:3/2;overflow:hidden;background:#f1f5f9}.printing-guide-card__image img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}.printing-guide-card:hover .printing-guide-card__image img{transform:scale(1.025)}.printing-guide-card__body{display:flex;flex:1;flex-direction:column;padding:24px}.printing-guide-card time{margin-bottom:10px;color:#64748b;font-size:13px}.printing-guide-card h2{margin:0 0 12px;color:#08275b;font-size:22px;line-height:1.25}.printing-guide-card h2 a{color:inherit;text-decoration:none}.printing-guide-card p{margin:0 0 20px;color:#475569;line-height:1.65}.printing-guide-card .text-link{margin-top:auto}.printing-guides-empty{padding:48px;border:1px solid #dce5f0;background:#f7faff;text-align:center}.printing-guides-empty h2{margin-top:0;color:#08275b}.printing-guides-empty p{margin-bottom:0;color:#475569}@media(max-width:960px){.printing-guides-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.printing-guides-list{padding-top:40px;padding-bottom:56px}.printing-guides-grid{grid-template-columns:1fr;gap:18px}.printing-guide-card__body{padding:20px}.printing-guide-card h2{font-size:20px}}

/* Blog index: responsive horizontal article rows. */
.yishu-blog{padding-top:48px;padding-bottom:72px}
.yishu-blog__header{margin-bottom:28px}
.yishu-blog__header h1{margin:0;color:var(--navy);font-size:clamp(2rem,4vw,3rem)}
.yishu-blog__grid{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}
.yishu-blog-card{display:flex;flex-direction:row;min-width:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}
.yishu-blog-card__image{display:block;flex:0 0 34%;align-self:flex-start;aspect-ratio:3/2;overflow:hidden;background:var(--light)}
.yishu-blog-card__image img{width:100%;height:100%;object-fit:cover}
.yishu-blog-card__body{padding:28px 32px;display:flex;flex-direction:column;justify-content:center;flex:1;min-width:0}
.yishu-blog-card time{font-size:.85rem;color:#536579}
.yishu-blog-card h2{font-size:clamp(1.3rem,2vw,1.65rem);line-height:1.35;margin:10px 0 12px;color:var(--navy);overflow-wrap:anywhere}
.yishu-blog-card p{margin:0 0 18px;color:#44566a;line-height:1.65}
.yishu-blog-card__more{align-self:flex-start;color:var(--blue);font-weight:600}
.yishu-blog-card a:hover{text-decoration:underline;text-underline-offset:3px}
.yishu-blog .navigation.pagination{margin-top:36px}
.yishu-blog .page-numbers{display:inline-block;padding:8px 12px}
.yishu-blog .page-numbers.current{background:var(--blue);color:#fff}
@media(max-width:767px){.yishu-blog{padding-top:32px;padding-bottom:48px}.yishu-blog__grid{gap:20px}.yishu-blog-card{flex-direction:column}.yishu-blog-card__image{flex:none;width:100%}.yishu-blog-card__body{padding:22px}.yishu-blog-card h2{font-size:1.3rem}}