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.section-description{margin-top:15px}.document-grid{grid-template-columns:1fr;gap:20px}.data-sheet{padding:12px}.related-grid{grid-template-columns:1fr 1fr;gap:13px}.related-grid .catalog-card:last-child{display:none}.about-lead{grid-template-columns:1fr;gap:30px;padding-bottom:45px}.about-image{height:330px}.about-lead h2{font-size:31px}.about-lead p:not(.eyebrow){font-size:14px}.about-values{padding-block:15px}.about-values>.wrap{gap:12px}.about-values .wrap>div{display:block}.about-values span{font-size:11px}.about-values h3{font-size:18px;margin:10px 0}.about-links{grid-template-columns:1fr;padding-top:40px;gap:18px}.about-links>a{padding:27px}.about-links h2{font-size:25px}.technology-page{grid-template-columns:1fr;gap:30px;padding-bottom:35px}.tech-index{position:static;display:grid;grid-template-columns:1fr 1fr;border-top:0;gap:0 20px}.tech-index a{padding:12px 0;gap:10px}.tech-index span{font-size:13px}.tech-detail{grid-template-columns:30px 1fr;gap:16px;padding:28px 0}.tech-number{font-size:23px}.tech-body h2{font-size:26px}.tech-body>.eyebrow{font-size:11px;line-height:1.8;margin-bottom:12px}.tech-intro{font-size:14px}.technology-items{grid-template-columns:1fr;gap:10px;margin-block:20px}.technology-items li{font-size:13px}.tags>span{font-size:12px}.certificate-page .certificate-grid{grid-template-columns:1fr 1fr;gap:25px 15px}.certificate-page .certificate-image{height:220px;padding:16px}.certificate-page .certificate h3{font-size:13px}.certificate-page .certificate small{font-size:11px}.certificate-page .certificate>div>span{font-size:16px;top:19px}.contact-layout{grid-template-columns:1fr;gap:35px;padding-bottom:55px}.contact-information{position:static}.contact-information h2{font-size:31px;margin-bottom:25px}.contact-method>a{font-size:26px}.contact-method .email{font-size:22px}.contact-tip{font-size:13px}.contact-form-panel{padding:25px 20px}.contact-form-panel>h2{font-size:26px}.contact-form-panel form{gap:18px 14px}.form-field>span{font-size:13px}.form-field input,.form-field select,.form-field textarea{font-size:13px;padding:10px}.form-submit .button{font-size:14px}.result-actions .button{font-size:12px}.is-english .hero-copy h1{font-size:40px}.is-english .hero-actions{gap:18px;flex-wrap:wrap}.is-english .technology-copy h2{font-size:31px}.is-english .technology-list p{font-size:12px}.is-english .inquiry h2{font-size:32px}.is-english .tabs>button{font-size:12px;line-height:1.7}.is-english .catalog-card h3{font-size:14px}.is-english .chemical-card h2{font-size:24px}.is-english .tech-body h2{font-size:25px}}
@media(max-width:390px){.catalog-photo{height:170px}.catalog-card-copy{padding:14px 11px}.catalog-card h3{font-size:14px}.contact-form-panel form{grid-template-columns:1fr}.form-field{grid-column:1/-1}.category-overview-card{grid-template-columns:34% 1fr}.category-overview-copy h2{font-size:20px}}

.catalog-photo{grid-template-rows:minmax(0,1fr)}.catalog-photo img{min-height:0;max-height:100%;min-width:0}

.material-photo{position:relative}.category-photo-note{position:absolute;left:16px;bottom:12px;font-size:12px;color:#74818e}.material-photo:has(.category-photo-note){padding-bottom:34px}

.about-values>.wrap{gap:0}.about-values .wrap>div{justify-content:center;text-align:center;padding-inline:16px}
@media(max-width:760px){.about-values .wrap>div{padding-inline:8px}}

.wechat-footer{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:10px;color:var(--muted);font-size:15px}.wechat-copy{display:inline-flex;align-items:center;gap:8px;border:0;padding:2px 0;background:transparent;color:inherit;font:inherit;cursor:pointer;line-height:1.6}.wechat-icon{width:21px;height:21px;flex-shrink:0;color:#20a565}.wechat-copy-hint{font-size:12px;color:#8796a4;margin-left:3px}.wechat-copy:hover{color:var(--blue)}.wechat-copy:focus-visible{outline:2px solid #5289ff;outline-offset:4px;border-radius:2px}.wechat-copy-status{font-size:12px;color:#20a565;line-height:1.6}.wechat-copy-status:empty{display:none}.wechat-id-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:8px 0 0}.wechat-contact .wechat-copy{font-size:20px}.wechat-contact .wechat-icon{width:24px;height:24px}

.wechat-qr-trigger{padding:2px 0;border:0;border-bottom:1px solid #cad5df;background:transparent;color:inherit;font:inherit;font-size:15px;line-height:1.7;cursor:pointer}.wechat-qr-trigger:hover{color:var(--blue);border-color:var(--blue)}.wechat-qr-trigger:focus-visible{outline:2px solid var(--blue);outline-offset:4px}.wechat-contact .wechat-qr-trigger{font-size:18px;color:var(--navy)}dialog:has(.wechat-qr-viewer){width:min(450px,calc(100% - 32px));max-height:92dvh;border-radius:8px}.wechat-qr-viewer{padding:38px 18px 18px;text-align:center;background:#fff}.wechat-qr-viewer>img{display:block;max-width:100%;width:auto;height:auto;max-height:calc(92dvh - 125px);margin:0 auto;object-fit:contain}.wechat-qr-viewer p{margin:12px 0 6px;font-size:14px;line-height:1.7;color:var(--muted)}.wechat-qr-viewer>a{font-size:13px;color:var(--blue)}

/* Compact WeChat entry and an anchored QR card. */
.wechat-widget{position:relative;display:inline-flex;isolation:isolate}
.wechat-social-button{display:grid;place-items:center;width:54px;height:54px;padding:14px;border:0;border-radius:50%;background:#edf0f3;color:#7b8791;cursor:pointer;transition:background-color .18s,color .18s}
.wechat-social-button svg{display:block;width:100%;height:100%}
.wechat-widget.is-open .wechat-social-button,.wechat-social-button:hover{background:var(--blue);color:#fff}
.wechat-social-button:focus-visible{outline:2px solid var(--blue);outline-offset:4px}
.wechat-popover{position:absolute;left:-16px;bottom:calc(100% + 14px);z-index:20;width:232px;padding:14px 14px 12px;border:1px solid #e5e9ef;background:#fff;box-shadow:0 8px 30px #0b233d18;text-align:center;color:var(--navy)}
.wechat-popover[hidden]{display:none}
.wechat-popover::after{content:"";position:absolute;left:35px;bottom:-7px;width:12px;height:12px;background:#fff;border-right:1px solid #e5e9ef;border-bottom:1px solid #e5e9ef;transform:rotate(45deg)}
.wechat-popover::before{content:"";position:absolute;left:0;right:0;bottom:-16px;height:16px}
.wechat-qr-code{position:relative;width:202px;height:202px;overflow:hidden;background:#fff}
.wechat-qr-code img{position:absolute;left:-26.57%;top:-60.86%;width:153.15%;max-width:none;height:auto}
.wechat-popover p{margin:10px 0 4px;font-size:12px;line-height:1.6;color:var(--muted)}
.wechat-popover>a{font-size:11px;color:var(--blue);line-height:1.6}
.wechat-footer{margin-top:14px}
@media(max-width:760px){.wechat-social-button{width:50px;height:50px;padding:13px}.wechat-popover{left:-10px}.wechat-popover::after{left:28px}}
@media(prefers-reduced-motion:reduce){.wechat-social-button{transition:none}}

/* Draw dropdown chevrons in CSS so they align consistently across fonts. */
.header .submenu-toggle{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:28px;height:32px;padding:0;font-size:0;line-height:1;color:#657b90;border-radius:4px}
.header .submenu-toggle::before{content:"";width:7px;height:7px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .22s ease,color .22s ease}
.header .submenu-toggle:hover,.header .submenu-toggle:focus-visible{color:var(--blue);background:#245de608}
.header .nav-group.open>.submenu-toggle::before{transform:translateY(2px) rotate(225deg)}
@media(min-width:761px){.header .nav-group:focus-within>.submenu-toggle::before{transform:translateY(2px) rotate(225deg)}}
@media(hover:hover) and (min-width:761px){.header .nav-group:hover>.submenu-toggle::before{transform:translateY(2px) rotate(225deg)}}
@media(max-width:760px){.header .submenu-toggle{width:36px;height:36px}}