:root{--navy:#092e42;--teal:#008979;--mint:#79e1d1;--muted:#5a6c74;--line:#dae3e6;--pale:#f2f6f7;--white:#fff;--font:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--navy);font:16px/1.7 var(--font);background:#fff}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #008979;outline-offset:4px}h1,h2,h3,p{margin:0}button{color:inherit}.skip{position:fixed;top:-100px;left:12px;background:#fff;z-index:20;padding:8px}.skip:focus{top:12px}.topbar{height:36px;background:var(--navy);color:#c7dce4;display:flex;justify-content:space-between;align-items:center;padding:0 5%;font-size:12px;letter-spacing:.04em}.topbar a{font-size:12px}.header{height:92px;display:flex;align-items:center;justify-content:space-between;padding:0 5%;background:#fffffff5;position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:12px;font-size:30px;font-weight:700;line-height:1;letter-spacing:.07em}.brand-mark{display:grid;place-items:center;background:var(--teal);color:#fff;width:43px;height:46px;font-size:31px;font-weight:500;clip-path:polygon(24% 0,100% 0,100% 100%,0 100%,0 23%)}.brand small{display:block;font-size:10px;letter-spacing:.13em;margin-top:8px}.header nav{display:flex;gap:36px;font-size:14px;font-weight:500}.header nav a:hover,.text-link:hover{color:var(--teal)}.lang{border:0;border-left:1px solid var(--line);padding:4px 0 4px 24px;background:transparent;font-weight:600;font-size:14px}.lang span{color:#687b84;font-weight:400}.hero{display:grid;grid-template-columns:1.02fr 1fr;min-height:580px}.hero-copy{padding:68px 9.8% 26px}.eyebrow{font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--teal);margin-bottom:22px}h1{font-size:clamp(36px,4.1vw,66px);font-weight:500;line-height:1.3;letter-spacing:-.055em}.hero-intro{color:var(--muted);margin-top:28px;max-width:440px;font-size:16px;line-height:1.9}.actions{display:flex;align-items:center;gap:28px;margin-top:34px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:36px;padding:14px 24px;font-weight:500;font-size:14px;border:0}.primary{background:var(--teal);color:#fff}.primary:hover{background:#007468}.text-link{font-size:14px;font-weight:500}.hero-foot{border-top:1px solid var(--line);margin-top:57px;padding-top:18px;display:flex;justify-content:space-between;gap:10px;color:#647982;font-size:11px;letter-spacing:.08em}.hero-visual{background:var(--navy);position:relative;overflow:hidden;color:#fff;min-height:520px;background-position:center;background-size:cover}.hero-visual::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,#032a3c33 40%,#032a3cbb)}.visual-top{position:absolute;top:30px;left:36px;right:36px;font-size:11px;letter-spacing:.14em;display:flex;justify-content:space-between;color:#d0e5ed}.visual-copy{position:absolute;left:44px;bottom:48px}.visual-copy p{font-size:34px;line-height:1.45;font-weight:400;letter-spacing:.04em;margin:16px 0}.visual-copy>span:last-child{font-size:10px;letter-spacing:.17em;color:#bdced4}.visual-line{display:block;height:2px;width:40px;background:var(--mint)}.image-note{position:absolute;right:24px;bottom:18px;color:#d0e5ed;font-size:10px}.facts{display:flex;align-items:center;gap:5%;border-bottom:1px solid var(--line);padding:30px 5%}.facts>div{display:flex;align-items:center;gap:16px;padding-right:5%;border-right:1px solid var(--line)}.facts strong{font-size:36px;font-weight:500;letter-spacing:-.06em;line-height:1}.facts span{font-size:13px;color:var(--muted)}.facts p{font-size:13px;color:var(--muted)}.section{padding:90px 5%}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:34px}.section-heading .eyebrow{margin-bottom:16px}h2{font-size:36px;font-weight:500;line-height:1.45;letter-spacing:-.03em}.section-heading>p{font-size:14px;max-width:340px;color:var(--muted);padding-bottom:6px}.preview-products{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.preview-products article{border:1px solid var(--line);padding:28px}.preview-products span{font-size:11px;color:var(--teal)}.preview-products h3{font-size:22px;margin:20px 0 12px}.preview-products p{font-size:14px;color:var(--muted)}.services{background:var(--pale)}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:38px;margin-top:46px}.service-grid article{border-top:1px solid #b9cacd;padding-top:20px}.service-grid article>span{font-size:13px;color:var(--teal)}.service-grid h3{font-size:21px;font-weight:500;margin:23px 0 16px}.service-grid p{font-size:14px;color:var(--muted);max-width:280px}.about{display:grid;grid-template-columns:1fr 1fr;gap:80px}.about-lead{font-size:24px;line-height:1.65;margin-bottom:24px}.about>div>p:not(.eyebrow):not(.about-lead){font-size:15px;color:var(--muted);margin-bottom:24px}.contact{background:var(--navy);color:white;padding:70px 8%;display:grid;grid-template-columns:1.1fr 1fr;gap:80px}.contact .eyebrow{color:var(--mint)}.contact h2{font-size:42px;line-height:1.5;margin-bottom:30px}.light{background:var(--mint);color:var(--navy)}.contact-details{display:grid;grid-template-columns:1fr 1fr;align-content:center;gap:30px}.contact-details>div{border-top:1px solid #456270;padding-top:14px}.contact-details span{display:block;color:#93b0be;font-size:12px;margin-bottom:6px}.contact-details strong,.contact-details a{font-size:16px;font-weight:400;overflow-wrap:anywhere}footer{display:flex;align-items:center;justify-content:space-between;padding:34px 5%;gap:24px}footer p{font-size:11px;color:#70838c;max-width:430px}footer>a:last-child{font-size:12px}.footer-brand{font-size:22px;font-weight:700;letter-spacing:.07em}.footer-brand span{display:block;font-size:10px;font-weight:400;letter-spacing:0}
@media(min-width:1600px){body{max-width:1800px;margin:auto}}@media(max-width:1050px){.header nav{gap:22px}.hero-copy{padding-top:48px}h1{font-size:43px}.hero{min-height:540px}.hero-foot{margin-top:38px}.actions{gap:18px}.contact{gap:40px}.facts{gap:3%}.facts>div{padding-right:3%}.service-grid{gap:22px}}@media(max-width:760px){.topbar{height:30px;font-size:10px}.topbar a{font-size:10px}.header{height:auto;min-height:78px;flex-wrap:wrap;padding-top:17px;padding-bottom:12px;gap:18px}.brand{font-size:24px}.brand small{font-size:9px}.brand-mark{width:34px;height:38px;font-size:25px}.header nav{order:3;width:100%;justify-content:space-between;gap:10px;font-size:13px;border-top:1px solid var(--line);padding-top:11px}.lang{font-size:13px}.hero{grid-template-columns:1fr}.hero-copy{padding:44px 6% 26px}h1{font-size:43px}.hero-intro{margin-top:20px}.hero-foot{margin-top:30px}.hero-visual{min-height:360px}.visual-copy{left:26px;bottom:36px}.visual-copy p{font-size:28px}.visual-top{left:26px;right:26px}.facts{flex-wrap:wrap;gap:20px;padding:26px 6%}.facts>div{flex:1;padding-right:0}.facts>div:nth-child(2){border:0}.facts p{width:100%;font-size:12px}.facts strong{font-size:32px}.section{padding:55px 6%}.section-heading{display:block;margin-bottom:24px}h2{font-size:29px}.section-heading>p{margin-top:14px}.eyebrow{font-size:11px;margin-bottom:15px}.preview-products{grid-template-columns:1fr}.service-grid{grid-template-columns:1fr 1fr;gap:32px 20px;margin-top:30px}.service-grid h3{font-size:19px;margin:17px 0 10px}.about{grid-template-columns:1fr;gap:26px}.about-lead{font-size:21px}.contact{grid-template-columns:1fr;padding:48px 6%;gap:42px}.contact h2{font-size:33px}.contact-details{gap:24px}.contact-details a{font-size:14px}footer{align-items:flex-start;flex-wrap:wrap;padding:28px 6%}footer p{order:3;width:100%}.hero-visual{background-position:center 48%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.hero-visual{background-image:url('/assets/materials-hero.webp')}.hero-visual::before{background:linear-gradient(180deg,#062e3e00 40%,#052c41a6)}.visual-copy{bottom:40px}.visual-copy p{font-size:30px}.catalog-tools{display:flex;align-items:center;justify-content:space-between;gap:26px;margin-bottom:28px}.search-field{height:54px;border:1px solid #bdccd1;display:flex;align-items:center;gap:14px;padding:0 18px;max-width:600px;width:60%;background:#fff}.search-field:focus-within{border-color:var(--teal);box-shadow:0 0 0 1px var(--teal)}.search-field input{border:0;background:transparent;outline:none;width:100%;font-size:14px;min-width:0;color:var(--navy)}.search-field input::-webkit-search-cancel-button{-webkit-appearance:none}.search-icon{width:15px;height:15px;border:1.5px solid #60767f;border-radius:50%;position:relative;flex-shrink:0;margin-right:4px}.search-icon::after{content:'';position:absolute;right:-5px;bottom:-3px;width:6px;height:1.5px;background:#60767f;transform:rotate(45deg)}.search-field button{border:0;background:transparent;font-size:25px;line-height:1;padding:0 4px;color:var(--muted)}.catalog-contact{font-size:13px;color:var(--teal);font-weight:500}.catalog-layout{display:grid;grid-template-columns:238px minmax(0,1fr);gap:34px}.category-panel>p{font-size:12px;letter-spacing:.08em;color:#6e828c;margin-bottom:15px}.category-panel>button{display:flex;gap:10px;align-items:center;justify-content:space-between;width:100%;text-align:left;background:#fff;border:0;border-bottom:1px solid var(--line);padding:15px 12px;font-size:13px;line-height:1.7;transition:background .15s}.category-panel>button small{font-size:11px;color:#8298a1;font-weight:400}.category-panel>button:hover{background:var(--pale)}.category-panel>button.active{background:var(--navy);color:#fff}.category-panel>button.active small{color:#a3dfd7}.category-help{padding:26px 17px;background:#edf5f4;margin-top:28px}.category-help>span{font-size:10px;letter-spacing:.15em;color:var(--teal)}.category-help p{font-size:16px;line-height:1.9;margin:10px 0 16px}.category-help a{font-size:12px;color:var(--teal)}.result-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:27px;margin-bottom:15px;scroll-margin-top:115px}.result-heading h3{font-size:16px;font-weight:500}.result-heading>span{font-size:12px;color:var(--muted);white-space:nowrap}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.product-card{padding:22px 18px 0;border:1px solid var(--line);display:flex;flex-direction:column;min-width:0;transition:border-color .2s,box-shadow .2s;background:#fff}.product-card:hover{border-color:#8baeb4;box-shadow:0 8px 22px #143b4809}.card-top{font-size:10px;line-height:1.6;color:var(--teal);display:flex;flex-wrap:wrap;gap:4px 12px;justify-content:space-between;margin-bottom:17px}.product-number{font-size:10px;color:#879ca4;white-space:nowrap}.product-card h3{font-size:18px;font-weight:500;line-height:1.55}.product-card h3 button{font:inherit;background:none;border:0;padding:0;text-align:left;overflow-wrap:anywhere}.product-secondary{font-size:11px;line-height:1.6;color:#7a8c95;min-height:40px;margin:9px 0 20px;overflow-wrap:anywhere}.product-card dl{font-size:12px;margin:0 0 18px;display:grid;gap:6px;margin-top:auto}.product-card dl>div{display:flex;justify-content:space-between;gap:10px}.product-card dt{color:#7a8c95;flex-shrink:0}.product-card dd{margin:0;text-align:right;overflow-wrap:anywhere}.product-link{border:0;border-top:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:space-between;width:100%;padding:13px 0;font-size:12px;color:var(--teal)}.pagination{display:flex;align-items:center;justify-content:center;gap:24px;margin-top:28px;font-size:12px}.pagination button{border:1px solid var(--line);padding:7px 14px;background:white;font-size:12px}.pagination button:disabled{opacity:.4;cursor:default}.catalog-note{font-size:11px;color:#7b8d96;margin-top:24px}.empty-state{grid-column:1/-1;padding:60px 20px;text-align:center;background:var(--pale);min-height:340px}.empty-state h3{font-size:23px;font-weight:500}.empty-state p{font-size:14px;color:var(--muted);margin:15px auto 24px;max-width:380px}dialog{border:0;width:min(720px,calc(100% - 32px));max-height:90vh;max-height:90dvh;padding:42px;color:var(--navy);box-shadow:0 20px 90px #00233340;background:#fff;overflow:auto}dialog::backdrop{background:#031d32a6;backdrop-filter:blur(3px)}.close-dialog{position:absolute;right:14px;top:9px;border:0;background:white;font-size:30px;line-height:1;padding:9px}.dialog-open{overflow:hidden}dialog .eyebrow{padding-right:20px;font-size:11px}dialog h2{font-size:28px;overflow-wrap:anywhere;line-height:1.5}.detail-secondary{color:var(--muted);margin:10px 0 23px;overflow-wrap:anywhere;font-size:14px}.detail-specs{border-top:1px solid var(--line);margin:26px 0}.detail-specs>div{display:grid;grid-template-columns:105px 1fr;gap:20px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}.detail-specs dt{color:#768b94}.detail-specs dd{margin:0;overflow-wrap:anywhere}.detail-note,.mail-note{font-size:12px;color:var(--muted);line-height:1.8}.inquiry-link{margin-top:24px;min-width:225px}.mail-note{margin-top:10px}.review-note{padding:10px 14px;background:#f1f5f5;font-size:13px}.preview-products{display:none}html[lang=en] .hero-copy h1{letter-spacing:-.055em;font-size:clamp(40px,4.4vw,66px);line-height:1.14}html[lang=en] .category-panel>button{font-size:12px}html[lang=en] .service-grid h3{font-size:19px}html[lang=en] .card-top{min-height:33px}html[lang=en] .product-card h3{font-size:16px}html[lang=en] .facts p{max-width:570px}
@media(max-width:1150px){.catalog-layout{grid-template-columns:210px minmax(0,1fr);gap:24px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.product-card h3{font-size:18px}.category-panel>button{padding:13px 10px}.category-help p{font-size:14px}.hero-visual{background-position:57% center}}@media(max-width:760px){.catalog-tools{display:block}.search-field{width:100%;height:50px}.catalog-contact{display:inline-block;margin-top:12px;font-size:12px}.catalog-layout{grid-template-columns:1fr;gap:23px}.category-panel{display:flex;gap:8px;overflow-x:auto;padding-bottom:9px;overscroll-behavior-x:contain}.category-panel>p,.category-help{display:none}.category-panel>button{width:auto;flex-shrink:0;border:1px solid var(--line);padding:8px 12px;max-width:220px;font-size:12px;white-space:normal}.category-panel>button.active{border-color:var(--navy)}.product-grid{gap:12px}.product-card{padding:17px 13px 0}.product-card h3{font-size:16px}.product-secondary{font-size:10px;margin-bottom:15px}.card-top{font-size:10px;min-height:31px}.product-number{font-size:9px}.product-card dl{font-size:11px}.product-card dl>div{display:block}.product-card dd{text-align:left}.product-card dt{font-size:10px}.result-heading{gap:10px}.result-heading h3{font-size:14px;max-width:70%}.result-heading>span{font-size:11px}.catalog-note{font-size:11px}.pagination{gap:18px}.pagination button{font-size:12px;padding:8px 12px}.visual-copy p{font-size:27px}dialog{padding:32px 24px}dialog h2{font-size:24px}.detail-specs>div{grid-template-columns:85px 1fr;gap:14px;font-size:13px}html[lang=en] .product-card h3{font-size:14px}html[lang=en] .hero-copy h1{font-size:49px}html[lang=en] .contact h2{font-size:35px}html[lang=en] .facts p{font-size:11px}.result-heading{scroll-margin-top:150px}}
/* Readable type across both languages. */
.topbar,.topbar a{font-size:12px}.brand small{font-size:12px;letter-spacing:.03em}.hero-foot,.visual-top,.visual-copy>span:last-child,.image-note{font-size:12px}.facts span,.facts p{font-size:14px}.section-heading>p,.service-grid p,.about>div>p:not(.eyebrow):not(.about-lead){font-size:16px}.header nav,.lang,.text-link,.button,.catalog-contact,.category-panel>button,.category-help a,.product-card dl,.product-link,.pagination,.pagination button,.result-heading>span{font-size:14px}.eyebrow,.category-panel>p,.category-panel>button small,.category-help>span,.card-top,.product-number,.product-secondary,.catalog-note,.detail-note,.mail-note,.contact-details span,footer p,footer>a:last-child,.footer-brand span{font-size:12px}.contact-details strong,.contact-details a{font-size:16px}html[lang=en] .category-panel>button{font-size:14px}html[lang=en] .product-card h3{font-size:16px}.card-top{min-height:40px}.product-secondary{min-height:44px}.product-card dl>div{flex-wrap:wrap}.product-card dl dt{font-size:12px}html[lang=en] .facts p{font-size:14px}.product-number{color:#526b76}.product-secondary{color:#536e79}.card-top{color:#007568}.catalog-note{color:#586f79}.contact-details span{color:#b2c8d2}footer p{color:#546d78}
@media(max-width:760px){.brand small{font-size:10px}.hero-foot{font-size:12px}.facts p{font-size:14px}.service-grid p{font-size:16px}.product-grid{grid-template-columns:1fr}.product-card{padding:23px 22px 0}.product-card h3{font-size:20px}html[lang=en] .product-card h3{font-size:18px}.product-secondary{min-height:0;margin-bottom:23px}.card-top{min-height:0;font-size:12px}.product-number{font-size:12px}.product-card dl{font-size:14px}.product-card dl>div{display:flex}.product-card dd{text-align:right}.product-card dl dt{font-size:14px}.product-link{font-size:14px;padding:15px 0}.category-panel>button{font-size:14px}.result-heading>span{font-size:12px}.catalog-note{font-size:12px}.contact-details{grid-template-columns:1fr}.contact-details a{font-size:16px}.pagination,.pagination button{font-size:14px}.detail-specs>div{font-size:14px}.catalog-contact{font-size:14px}html[lang=en] .facts p{font-size:14px}.topbar>span{max-width:44%;white-space:nowrap;overflow:hidden}.topbar,.topbar a{font-size:10px}.header nav{font-size:14px}.hero-foot>span:last-child{font-size:11px}.brand small{font-size:10px}}
.contact-actions,.inquiry-actions,.dialog-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.contact-actions{margin-top:8px}.inquiry-actions{margin-top:24px}.secondary{border:1px solid #b7cdd2;background:#fff;color:var(--navy)}.outline-light{border:1px solid #769eae;background:transparent;color:#fff}.inline-contact{border:0;padding:0;background:transparent;color:inherit;font-size:16px;line-height:1.7;text-align:left;cursor:pointer}.inline-contact:hover{text-decoration:underline;text-underline-offset:4px}.contact-details .inline-contact{overflow-wrap:anywhere}.wechat-image{display:block;width:min(100%,320px);height:auto;margin:16px auto;object-fit:contain}.contact-instructions{font-size:14px;line-height:1.8;color:var(--muted);margin:20px 0}.contact-account{font-size:14px;color:var(--muted);margin-top:15px}.copy-feedback{font-size:14px;color:var(--teal);min-height:24px;margin-top:12px}.copy-fallback{position:fixed;opacity:0;pointer-events:none;left:0;top:0}.contact-product{background:var(--pale);padding:15px 18px;margin-top:18px;font-size:14px}.contact-product>span{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.contact-product strong{display:block;font-weight:500;line-height:1.7;overflow-wrap:anywhere}.copy-button{font-size:13px;background:transparent;border:0;padding:8px 0 0;color:var(--teal);text-decoration:underline;text-underline-offset:3px}.qq-number{padding:32px 0}.qq-number span{display:block;color:var(--muted);font-size:14px}.qq-number strong{font-size:45px;font-weight:500;letter-spacing:.03em}#contact-dialog{width:min(560px,calc(100% - 32px));padding:34px}#contact-dialog .eyebrow{margin-bottom:12px}#contact-dialog h2{font-size:28px}.dialog-actions .button{gap:15px;padding:12px 18px}
@media(max-width:760px){#contact-dialog{padding:28px 23px}.wechat-image{width:min(100%,290px)}.dialog-actions .button{font-size:14px;padding:12px 14px}.contact-actions .button{gap:20px}.qq-number strong{font-size:39px}}
/* Original approved logo: preserve the 300 × 100 artwork proportions. */
.brand-identity{display:block;width:216px}.brand .trademark-original,.footer-brand .trademark-original{display:block;position:static;width:216px;height:auto;overflow:visible;font-size:0;line-height:0}.trademark-original img{display:block;position:static;width:100%;height:auto;max-width:100%;object-fit:contain;transform:none}.brand small{display:block;font-size:12px;font-weight:400;letter-spacing:.05em;text-align:center;margin-top:4px;line-height:1.3}.footer-brand>span:last-child{display:block;font-size:12px;font-weight:400;text-align:center;margin-top:4px;line-height:1.3;letter-spacing:.05em}.brand{letter-spacing:0}.footer-brand{display:block;width:216px}.brand-mark{display:none}.header{min-height:100px}
@media(max-width:760px){.brand-identity,.brand .trademark-original{width:204px}.brand small{font-size:11px;margin-top:4px;letter-spacing:.04em}.header{padding-top:5px}}

/* Product families and inquiry status. */
.header nav{gap:26px}#portfolio,#products{scroll-margin-top:110px}
.portfolio{background:#f2f7f8;border-bottom:1px solid var(--line)}
.family-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.family-card{display:flex;flex-direction:column;padding:27px 28px 24px;background:#fff;border:1px solid #d5e1e4;border-top:3px solid var(--teal);min-width:0;transition:border-color .15s,background .15s}
.family-card:hover{border-color:var(--teal);background:#fafffe}.family-card:focus-visible,.additional-families a:focus-visible{outline:3px solid var(--teal);outline-offset:3px}
.family-meta{display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:12px;color:#536e79;margin-bottom:26px}.family-meta>span:first-child{font-size:22px;font-weight:500;color:var(--teal)}
.family-card h3{font-size:25px;font-weight:500;line-height:1.4;margin-bottom:15px;overflow-wrap:anywhere}.family-card p{font-size:16px;color:var(--muted);line-height:1.8;margin-bottom:24px}.family-browse{font-size:14px;color:var(--teal);margin-top:auto;border-top:1px solid var(--line);padding-top:16px}
.additional-families{margin-top:38px}.additional-families h3{font-size:17px;font-weight:500;margin-bottom:17px}.additional-families>div{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px 24px}.additional-families a{display:flex;justify-content:space-between;gap:12px;font-size:14px;line-height:1.65;border-bottom:1px solid #cddde1;padding:8px 0 12px}.additional-families a:hover{color:var(--teal)}.additional-families a span{color:#5c7783;font-size:12px}
.category-panel .category-group-label{font-size:12px;margin:25px 0 8px;letter-spacing:.06em;color:#526b76}.category-panel>button{font-size:14px;padding:13px 12px;line-height:1.6}.category-panel>button small{font-size:12px}.category-panel{align-self:start}.catalog-layout{grid-template-columns:246px minmax(0,1fr);gap:30px}
.category-overview{background:#edf5f5;padding:26px;margin-bottom:22px;border-left:3px solid var(--teal)}.category-overview .eyebrow{font-size:12px;margin-bottom:10px}.category-overview h3{font-size:27px;font-weight:500;line-height:1.4;margin-bottom:12px}.category-overview>p:last-child{font-size:16px;color:var(--muted)}
.subcategory-filter{display:flex;align-items:center;gap:18px;margin-bottom:26px}.subcategory-filter label,.mobile-category label{font-size:14px;flex-shrink:0}.subcategory-filter select,.mobile-category select{font:inherit;font-size:14px;line-height:1.5;padding:11px 35px 11px 13px;background:#fff;border:1px solid #b8cdd3;color:var(--navy);max-width:100%;min-width:0}.subcategory-filter select{max-width:calc(100% - 92px);width:420px}.mobile-category{display:none}.result-heading{align-items:flex-start}.result-heading h3{line-height:1.7}
.specialty-note{border:1px solid #b6d7d3;background:#f4fbf9;padding:23px 26px;margin-bottom:24px}.specialty-note h4{font-size:18px;font-weight:500;margin-bottom:10px}.specialty-note p{font-size:16px;color:var(--muted);margin-bottom:14px}.specialty-note a{font-size:14px;color:var(--teal);text-decoration:underline;text-underline-offset:4px}
html[lang=en] .family-card h3{font-size:23px}html[lang=en] .family-meta{font-size:12px}.product-card h3 button:focus-visible,.product-link:focus-visible,.category-panel button:focus-visible,select:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
@media(max-width:1100px){.header nav{gap:16px}.family-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.additional-families>div{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-layout{grid-template-columns:224px minmax(0,1fr);gap:24px}}
@media(max-width:760px){#portfolio,#products{scroll-margin-top:156px}.header nav{gap:8px;font-size:13px}.header nav a{white-space:nowrap}.family-grid{grid-template-columns:1fr;gap:15px}.family-card{padding:23px 24px}.family-meta{margin-bottom:18px}.family-card h3,html[lang=en] .family-card h3{font-size:23px}.family-card p{margin-bottom:20px}.additional-families>div{grid-template-columns:1fr}.additional-families{margin-top:28px}.catalog-layout{grid-template-columns:1fr}.category-panel{display:none}.mobile-category{display:flex;flex-direction:column;gap:8px;margin-bottom:23px}.mobile-category select{width:100%}.category-overview{padding:22px}.category-overview h3{font-size:24px}.subcategory-filter{display:flex;flex-direction:column;align-items:stretch;gap:8px}.subcategory-filter select{max-width:100%;width:100%}.specialty-note{padding:21px}.catalog-tools{margin-bottom:22px}.result-heading h3{max-width:70%;font-size:15px}}
.product-statuses{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 13px;font-size:12px;line-height:1.5}.product-status,.identity-status{padding:4px 8px;border:1px solid #cbdde1;color:#3b626e;background:#f4f8f9}.product-status.development,.product-status.research,.identity-status{border-color:#dfd2b6;background:#faf6ed;color:#74603b}.product-status.trial{border-color:#bad6cc;background:#edf8f2;color:#2b6550}.product-status.brand{border-color:#c6cde2;background:#f2f4fa;color:#485978}.catalog-status-filter{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin-bottom:28px;padding:16px 18px;background:#f2f7f8}.catalog-status-filter label{font-size:14px}.catalog-status-filter select{font:inherit;font-size:14px;padding:9px 28px 9px 12px;border:1px solid #b8cdd3;background:#fff;color:var(--navy)}.catalog-status-filter>span{font-size:13px;color:#526c77;flex:1;min-width:220px}.product-card dd{white-space:pre-line}.detail-specs dd{white-space:pre-line}.detail-status{margin:14px 0}.detail-public-note{padding:14px 17px;background:#f2f7f8;font-size:14px;line-height:1.8;margin-top:15px}.catalog-edition{font-size:12px;letter-spacing:.08em;color:#5a737e;margin-top:10px}
@media(max-width:760px){.catalog-status-filter{align-items:flex-start;gap:10px}.catalog-status-filter select{flex:1;min-width:0}.catalog-status-filter>span{flex-basis:100%;min-width:0}.product-statuses{font-size:12px}.hero h1{font-size:39px}html[lang=en] .hero-copy h1{font-size:42px;line-height:1.2}}

.contact-details .business-email{grid-column:1/-1}

/* Crawlable product and category pages retain the AKKO visual system. */
a.lang{text-decoration:none;white-space:nowrap}
.product-card h3 a{font:inherit;color:inherit;text-decoration:none;display:block;overflow-wrap:anywhere}
.product-card h3 a:hover{color:var(--accent,#07859a)}
.product-card h3 a:focus-visible,.lang:focus-visible{outline:2px solid #087b90;outline-offset:5px}
a.product-link{display:inline-block;text-decoration:none}
.directory-link{margin-top:30px}
.seo-main{max-width:1440px;margin:auto;padding:35px 5vw 80px}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;color:#62747e;font-size:13px;line-height:1.7;margin-bottom:38px;overflow-wrap:anywhere}
.breadcrumbs a{color:inherit;text-decoration:none}.breadcrumbs a:hover{text-decoration:underline}
.seo-intro{max-width:880px;margin:0 0 42px}.seo-intro h1,.seo-product h1{font-size:clamp(30px,3.4vw,52px);line-height:1.25;letter-spacing:-.035em;margin:14px 0 22px;overflow-wrap:anywhere}
.seo-intro>p:not(.eyebrow){font-size:17px;line-height:1.8;color:#546b77}
.seo-main>.family-grid{margin-top:35px}.seo-subcategory{margin:42px 0 60px}.seo-subcategory h2,.seo-related h2{font-size:25px;margin-bottom:26px}
.seo-product{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:60px;align-items:start}
.seo-product-content{min-width:0}.seo-product .detail-specs{margin-top:35px}.seo-product .detail-specs dd{overflow-wrap:anywhere}
.seo-inquiry{background:#eaf1f3;padding:28px;border-top:3px solid #148296;position:sticky;top:125px;overflow-wrap:anywhere}
.seo-inquiry h2{font-size:24px;line-height:1.4;margin:15px 0}.seo-inquiry p{line-height:1.8;color:#546b77}.seo-inquiry>strong{display:block;margin-top:24px;font-size:20px}.seo-inquiry .inquiry-actions{display:flex;flex-direction:column;gap:12px;margin:20px 0}.seo-inquiry .button{justify-content:center}.seo-inquiry>a{font-size:14px;color:#092e42}
.seo-related{margin-top:70px;padding-top:40px;border-top:1px solid #d8e1e5}
@media(max-width:900px){.seo-product{grid-template-columns:1fr;gap:25px}.seo-inquiry{position:static}.seo-inquiry .inquiry-actions{flex-direction:row;flex-wrap:wrap}.seo-main{padding-top:24px}.breadcrumbs{margin-bottom:28px}}
@media(max-width:540px){.seo-main{padding:22px 6vw 55px}.seo-product h1{font-size:31px}.seo-inquiry .inquiry-actions{flex-direction:column}.seo-inquiry{padding:24px}.seo-subcategory h2{font-size:21px}}

/* Keep contact actions within reach on phones without covering dialogs or typing. */
.mobile-contact-bar{display:none}
.copy-feedback{white-space:pre-line;overflow-wrap:anywhere}
.copy-feedback:empty{display:none}
.seo-inquiry .inquiry-actions>[data-inquiry-feedback]{width:100%;margin-top:0}
@media(max-width:760px){
 html{scroll-padding-bottom:calc(84px + env(safe-area-inset-bottom,0px))}
 body{padding-bottom:calc(76px + env(safe-area-inset-bottom,0px))}
 .mobile-contact-bar{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:10px;position:fixed;z-index:12;left:0;right:0;bottom:0;padding:10px max(16px,env(safe-area-inset-right,0px)) calc(10px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));border-top:1px solid var(--line);background:#fff;box-shadow:0 -5px 22px #092e4212}
 .mobile-contact-bar .button{justify-content:center;gap:8px;min-width:0;min-height:48px;padding:10px 12px;font-size:15px;font-weight:600;line-height:1.6}
 .mobile-contact-bar .copy-feedback{position:absolute;bottom:100%;left:0;right:0;margin:0;padding:13px 20px;background:#f0faf8;border-top:1px solid #c8e4dd;max-height:40dvh;overflow:auto;font-size:14px;box-shadow:0 -5px 18px #092e4212}
 body.dialog-open .mobile-contact-bar,body.contact-keyboard-open .mobile-contact-bar,body:has(dialog[open]) .mobile-contact-bar{display:none}
}
@media print{.mobile-contact-bar{display:none!important}}

/* Buyer resources and catalog navigation */
.resource-home{background:#edf4f2;border-block:1px solid #d8e1e5}.resource-home .actions{flex-wrap:wrap;gap:22px}
.category-subcategory-nav h2{font-size:25px;margin-bottom:15px}.category-nav-summary{color:#526b76;margin:0 0 22px;line-height:1.8;max-width:900px}
.category-inquiry-guide .detail-specs>div{grid-template-columns:180px minmax(0,1fr)}.category-inquiry-guide{margin-top:55px}.related-catalog-note{margin-bottom:22px;color:#526b76;line-height:1.8}
.product-family-navigation{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}.product-family-navigation a{display:block;border:1px solid #d8e1e5;padding:20px;overflow-wrap:anywhere}.product-family-navigation span{display:block;font-size:12px;color:#526b76;margin-bottom:10px}.product-family-navigation strong{display:block;font-size:16px;font-weight:500}.seo-subcategory[id]{scroll-margin-top:120px}
@media(max-width:760px){.header nav{overflow-x:auto;justify-content:flex-start;gap:20px;padding-bottom:6px}.header nav a{flex-shrink:0}.category-subcategory-nav h2{font-size:22px}.category-inquiry-guide .detail-specs>div{grid-template-columns:1fr;gap:8px}.product-family-navigation{grid-template-columns:1fr}.seo-subcategory[id]{scroll-margin-top:175px}.resource-home .actions{align-items:flex-start;flex-direction:column}.resource-home .button{white-space:normal;line-height:1.6}}

/* Direct product search and helpful search recovery. */
.quick-product-search{margin-top:28px;max-width:720px;text-align:left}
.quick-product-search>label{display:block;font-size:14px;font-weight:500;margin-bottom:10px;color:var(--navy)}
.quick-search-row{display:flex;align-items:stretch;border:1px solid #bdccd1;background:#fff;min-height:52px}
.quick-search-row:focus-within{outline:2px solid var(--teal);outline-offset:2px}
.quick-search-row input{font:inherit;font-size:14px;color:var(--navy);border:0;border-radius:0;background:transparent;min-width:0;width:100%;padding:14px 16px;outline:none}
.quick-search-row .button{flex-shrink:0;padding:12px 18px;gap:12px;justify-content:center;border:0;min-height:52px}
.quick-product-search>p{font-size:12px;color:var(--muted);line-height:1.7;margin-top:9px}
.hero-copy .hero-browse{margin-top:23px;gap:26px;flex-wrap:wrap}
.hero-copy .hero-foot{margin-top:30px}
.result-heading{flex-wrap:wrap;gap:12px}
.search-share{margin-bottom:16px;font:inherit;font-size:13px;color:var(--teal);background:#fff;border:1px solid #bdccd1;padding:8px 12px;min-height:40px;cursor:pointer}
.search-share:hover{background:#edf5f4}.search-share:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
.search-share-feedback{font-size:13px;color:var(--teal);white-space:pre-wrap;overflow-wrap:anywhere;margin:0 0 16px}.search-share-feedback:empty{display:none}
.empty-state .empty-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:20px}
.empty-state .empty-actions .button{white-space:normal;min-height:46px;line-height:1.6}
@media(max-width:760px){.quick-product-search{margin-top:24px}.quick-search-row input{font-size:16px;padding:12px;min-width:0}.quick-search-row .button{padding:12px;gap:6px;font-size:14px}.hero-copy .hero-browse{gap:22px}.empty-state{padding:36px 18px}.empty-state .empty-actions{flex-direction:column;align-items:stretch}.search-share{min-height:44px}}

/* Contextual product selection and document links. */
.seo-intro .category-selection-note{font-size:15px;line-height:1.85;max-width:900px;margin-top:18px;padding-left:18px;border-left:2px solid var(--teal);color:var(--muted)}
.helpful-resources{margin-top:26px;padding-top:20px;border-top:1px solid var(--line);font-size:14px;line-height:1.8}
.helpful-resources p{margin:0 0 12px;color:var(--muted)}
.helpful-resources a{display:block;width:fit-content;color:var(--teal);text-decoration:underline;text-underline-offset:4px;margin-top:9px}
.helpful-resources a:focus-visible{outline:2px solid var(--teal);outline-offset:4px}

/* A focused ester collection with readable, catalog-derived comparison rows. */
.collection-page{min-width:0}
.collection-hero{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:64px;align-items:start;margin-bottom:34px}
.collection-hero .seo-intro{margin-bottom:0}.collection-hero .seo-intro h1{max-width:920px}
.collection-parent-link{display:inline-block;margin-top:22px;font-size:14px}
.collection-summary{padding:25px;background:#edf4f2;border-top:3px solid var(--teal)}
.collection-summary>span{font-size:12px;letter-spacing:.06em;color:var(--teal)}
.collection-summary strong{display:block;font-size:64px;font-weight:400;line-height:1.2;margin:16px 0 8px;letter-spacing:-.05em}
.collection-summary p{font-size:14px;line-height:1.8}.collection-summary .collection-summary-note{font-size:12px;color:var(--muted);margin-top:18px}
.collection-group-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0 0 22px}
.collection-group-nav a{display:flex;flex-direction:column;justify-content:space-between;gap:14px;padding:20px;border:1px solid var(--line);background:#fff}
.collection-group-nav a>span:first-child{font-size:18px;line-height:1.5}.collection-group-nav a>span:last-child{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--teal)}
.collection-group-nav a:hover{border-color:var(--teal);background:#f6faf9}
.collection-page a:focus-visible{outline:2px solid var(--teal);outline-offset:4px}
.collection-reading-note{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;padding:20px 0 28px;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px;line-height:1.8}
.collection-reading-note p{max-width:790px}.collection-reading-note a{color:var(--teal);max-width:250px;flex-shrink:0;text-decoration:underline;text-underline-offset:4px}
.collection-group{margin-top:44px;scroll-margin-top:124px}.collection-group-heading{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:17px}
.collection-group-heading h2{font-size:28px;line-height:1.4}.collection-group-heading p{font-size:13px;color:var(--muted);white-space:nowrap}
.collection-table-wrap{border:1px solid var(--line);background:#fff}.collection-table{border-collapse:collapse;width:100%;text-align:left;font-size:14px;line-height:1.65}
.collection-table caption{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.collection-table thead th{padding:16px 22px;background:#f2f6f7;font-size:12px;font-weight:500;color:#526b76;border-bottom:1px solid var(--line)}
.collection-table tbody th,.collection-table tbody td{padding:20px 22px;vertical-align:top;border-bottom:1px solid var(--line)}
.collection-table tbody tr:last-child th,.collection-table tbody tr:last-child td{border-bottom:0}
.collection-table .collection-product-cell{width:58%;font-weight:400}.collection-product-cell>a{display:block;font-size:17px;font-weight:500;line-height:1.65;overflow-wrap:anywhere}.collection-product-cell>a:hover{color:var(--teal)}
.collection-code{display:block;font-size:11px;letter-spacing:.04em;color:var(--teal);margin-bottom:6px}
.collection-other-name{display:block;margin-top:5px;font-size:13px;font-weight:400;color:var(--muted);overflow-wrap:anywhere}
.collection-table .collection-cas{white-space:nowrap;font-variant-numeric:tabular-nums}.collection-spec-label{display:block;color:var(--muted);font-size:12px;margin-bottom:5px}
.collection-spec-value{display:block;font-size:15px;white-space:pre-line;overflow-wrap:anywhere}.collection-spec[data-specification-kind=target] .collection-spec-label{color:#74603b}
.collection-next{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:45px;align-items:center;margin-top:55px;padding:32px;background:#edf4f2;border-top:3px solid var(--teal)}
.collection-next h2{font-size:27px;line-height:1.45;margin-bottom:14px}.collection-next p:not(.eyebrow){font-size:15px;line-height:1.85;color:var(--muted)}
.collection-next-actions{display:flex;flex-direction:column;align-items:stretch;gap:18px}.collection-next-actions .button{justify-content:center}.collection-next-actions .text-link{font-size:14px;line-height:1.7}
@media(max-width:1000px){.collection-hero{grid-template-columns:minmax(0,1fr) 180px;gap:30px}.collection-summary{padding:22px}.collection-reading-note{display:block}.collection-reading-note a{display:inline-block;max-width:none;margin-top:12px}.collection-table thead th,.collection-table tbody th,.collection-table tbody td{padding-left:17px;padding-right:17px}}
@media(max-width:760px){.collection-hero{display:block;margin-bottom:26px}.collection-summary{display:none}.collection-group-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.collection-group-nav a{padding:16px;gap:12px}.collection-group-nav a>span:first-child{font-size:17px}.collection-reading-note{font-size:14px;padding-bottom:23px}.collection-group{margin-top:32px;scroll-margin-top:180px}.collection-group-heading{gap:14px}.collection-group-heading h2{font-size:24px}.collection-group-heading p{font-size:12px}.collection-table{display:block}.collection-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.collection-table tbody{display:block}.collection-table tbody tr{display:block;padding:21px;border-bottom:1px solid var(--line)}.collection-table tbody tr:last-child{border-bottom:0}.collection-table tbody th,.collection-table tbody td{display:block;padding:0;border-bottom:0}.collection-table .collection-product-cell{width:auto;margin-bottom:17px}.collection-product-cell>a{font-size:18px}.collection-other-name{font-size:13px;margin-top:6px}.collection-table tbody td{display:grid;grid-template-columns:minmax(100px,.8fr) minmax(0,1fr);gap:16px;margin-top:10px;white-space:normal}.collection-table tbody td::before{content:attr(data-label);font-size:13px;color:var(--muted)}.collection-table .collection-cas{font-size:14px}.collection-spec-label{display:none}.collection-spec-value{font-size:14px}.collection-next{grid-template-columns:1fr;gap:24px;margin-top:35px;padding:26px}.collection-next h2{font-size:24px}.collection-next-actions{align-items:flex-start}.collection-next-actions .button{min-width:200px}}

/* Focused catalog entry points shared by the home, directory and resources. */
.focused-collections .service-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:24px;gap:24px}
.focused-collections .service-grid article{padding:24px;border:1px solid var(--line);background:var(--pale);min-width:0}
.focused-collections .service-grid h3{margin:0 0 12px;font-size:21px;line-height:1.5}
.focused-collections .service-grid h3 a{font:inherit;overflow-wrap:anywhere}
.focused-collections .service-grid p{margin:0;line-height:1.8}
@media(max-width:760px){.focused-collections .service-grid{grid-template-columns:1fr}.focused-collections .service-grid article{padding:22px}}
.amine-oxide-page .family-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin:24px 0}
.amine-oxide-page .collection-group>p{margin:18px 0;line-height:1.85;color:var(--muted)}
.amine-oxide-page .collection-table .collection-cas{white-space:normal;min-width:145px}
.collection-page .resource-faq details{border-bottom:1px solid var(--line);padding:22px 0}
.collection-page .resource-faq summary{font-weight:500;cursor:pointer;line-height:1.7}
.collection-page .resource-faq details p{margin:14px 0 0;color:var(--muted);line-height:1.85}
.about-page #about-questions+.detail-specs>div{grid-template-columns:minmax(180px,1fr) 2fr}
@media(max-width:760px){.amine-oxide-page .family-grid{grid-template-columns:1fr}.amine-oxide-page .collection-table .collection-cas{min-width:0}.about-page #about-questions+.detail-specs>div{grid-template-columns:1fr;gap:8px}}
.resource-template-copy textarea{display:block;width:100%;min-width:0;max-width:100%;box-sizing:border-box;resize:vertical;font:inherit;line-height:1.7;padding:12px;border:1px solid #b8cdd3}
.resource-actions [hidden]{display:none!important}

/* Reviewed quality standards, separated by the applicable product grade. */
.quality-specifications{padding:42px 0;margin:20px 0 40px;border-top:1px solid var(--line,#d6e1e4);scroll-margin-top:120px;min-width:0}
.quality-specifications h2{margin:8px 0 16px;font-size:clamp(25px,3vw,36px)}
.quality-intro{max-width:850px;line-height:1.8;color:var(--muted,#52646d)}
.quality-grades{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:24px;margin-top:24px;align-items:start}
.quality-grade{min-width:0;max-width:100%}
.quality-table{width:100%;table-layout:fixed;border-collapse:collapse;text-align:left;font-size:15px;line-height:1.75}
.quality-table caption{text-align:left;padding:15px 18px;background:#edf4f3;color:#173c48;font-size:18px;font-weight:700;overflow-wrap:anywhere}
.quality-table th,.quality-table td{padding:13px 18px;border-bottom:1px solid #d7e2e5;vertical-align:top;overflow-wrap:anywhere;white-space:pre-line}
.quality-table thead th{background:#173c48;color:#fff;font-weight:600}
.quality-table th:first-child{width:43%}
.quality-table tbody th{font-weight:500;color:#294955;background:#f6f9fa}
@media(max-width:600px){.quality-specifications{padding-top:28px;scroll-margin-top:98px}.quality-grades{gap:20px}.quality-table{font-size:14px}.quality-table th,.quality-table td{padding:11px 12px}.quality-table th:first-child{width:40%}}
.quickview-page-link{margin:-10px 0 24px;font-size:14px}
.quickview-quality{padding:24px 0 0;margin:24px 0}
.quickview-quality h3{font-size:22px;line-height:1.4;margin-bottom:12px}
.quickview-quality .quality-intro{font-size:14px}
.quickview-quality .quality-grades{grid-template-columns:minmax(0,1fr);gap:18px;margin-top:18px}
.quickview-quality .quality-table{font-size:14px}
.quickview-quality .quality-table caption{font-size:16px;padding:12px}
.quickview-quality .quality-table th,.quickview-quality .quality-table td{padding:11px 12px}