:root{color:#666;font-synthesis:none;text-rendering:optimizelegibility;background:#fff;font-family:Arial,Microsoft YaHei,Helvetica,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:#fff;min-width:320px;margin:0}button,a{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}.container,.container-wide{width:min(1140px,100% - 48px);margin:0 auto}.site-header{z-index:20;background:#fff;position:relative}.topbar{color:#777;justify-content:space-between;align-items:center;height:30px;font-size:12px;display:flex}.topbar a{color:#557b99}.topbar i{color:#b4b4b4;margin:0 6px;font-style:normal}.navigation-shell{height:91px;box-shadow:0 3px 4px #0000001a}.navigation{justify-content:space-between;align-items:center;height:100%;display:flex}.brand{color:#285e9d;align-items:center;gap:11px;display:flex}.brand-mark{letter-spacing:-2px;border:3px solid #2f6da8;border-radius:50%;place-items:center;width:60px;height:60px;font-family:Georgia,serif;font-size:24px;font-weight:700;display:grid}.brand-text{gap:2px;display:grid}.brand-text strong{color:#245a9c;letter-spacing:2px;font-size:21px}.brand-text small{letter-spacing:1.5px;font-size:8px}nav{align-items:center;gap:0;height:100%;display:flex}nav a{color:#444;place-items:center;height:100%;padding:0 20px;font-size:15px;transition:color .2s;display:grid;position:relative}nav a:hover,nav a.active{color:#2a69a9}nav a.active:after{content:"";background:#55af7a;height:2px;position:absolute;bottom:23px;left:20px;right:20px}.mobile-menu{background:0 0;border:0;display:none}.mobile-menu span{background:#275e9d;width:25px;height:2px;margin:5px;display:block}.hero{height:500px;position:relative;overflow:hidden}.slide{visibility:hidden;opacity:0;transition:opacity .7s,visibility .7s;position:absolute;inset:0;overflow:hidden}.slide.active{visibility:visible;opacity:1}.slide>img{object-fit:cover;object-position:center;width:100%;height:100%;display:block;position:absolute;inset:0}.hero-overlay{background:linear-gradient(90deg,#f4f9f9 0%,#f4f9f9f7 46%,#f4f9f900 73%);position:absolute;inset:0}.hero-content{z-index:1;flex-direction:column;justify-content:center;align-items:flex-start;height:100%;display:flex;position:relative}.hero-eyebrow{color:#5b8e75;margin:0 0 13px;font-size:14px}.hero h1{white-space:pre-line;color:#5aaf78;margin:0 0 15px;font-size:clamp(31px,3.2vw,45px);font-weight:400;line-height:1.25}.hero-content>p:not(.hero-eyebrow){color:#444;margin:0;font-size:15px}.hero-content button{color:#fff;background:#69bd87;border:1px solid #6fc08b;border-radius:6px;margin-top:24px;padding:8px 18px;font-size:13px}.hero-content button b{margin-left:8px;font-size:18px;line-height:0}.slide-arrow{z-index:3;color:#fff;opacity:0;background:#233c4a33;border:0;width:38px;height:70px;font-size:42px;line-height:1;transition:opacity .2s;position:absolute;top:50%;transform:translateY(-50%)}.hero:hover .slide-arrow{opacity:1}.prev{left:0}.next{right:0}.slider-dots{z-index:3;gap:9px;display:flex;position:absolute;bottom:17px;left:50%;transform:translate(-50%)}.slider-dots button{background:#ffffffa8;border:0;border-radius:50%;width:14px;height:14px}.slider-dots button.active{background:#fff}.section{padding-top:50px}.about{grid-template-columns:1fr 1fr;gap:30px;padding-bottom:62px;display:grid}.about>img{object-fit:cover;width:100%;height:256px;margin-top:2px}.about-copy{color:#999;font-size:14px;line-height:1.95}.section-title{margin:0 0 18px}.section-title span{color:#555;font-size:25px;font-weight:700;line-height:1.2;display:block}.section-title span:before{vertical-align:-4px;content:"";background:linear-gradient(#2b6aa4 0 55%,#6fbd8a 55%);width:6px;height:24px;margin-right:7px;display:inline-block}.section-title small{color:#c9c9c9;letter-spacing:.5px;margin:5px 0 0 14px;font-family:Times New Roman,serif;font-size:15px;display:block}.about-copy .lead{color:#777;margin:0 0 5px}.about-copy p:not(.section-title){margin:0 0 18px}.outline-button{color:#59a678;background:0 0;border:1px solid #6bbe8c;border-radius:18px;min-width:110px;margin:23px auto 0;padding:7px 20px;font-size:13px;display:block}.advantages{color:#c6d8e8;text-align:center;background:#2e629f url(/assets/service-blue.jpg) 50%/cover no-repeat;padding:42px 0 50px;position:relative;overflow:hidden}.advantages:before{content:"";background:#255e9cf0;position:absolute;inset:0}.advantages .container{max-width:980px;position:relative}.inverse span{color:#fff}.inverse span:before{display:none}.advantages p:not(.section-title){margin:22px 0 25px;font-size:14px;line-height:1.9}.outline-button.light{color:#fff;border-color:#b8d5e8}.products{padding-bottom:18px}.centered{text-align:center}.centered span:before{display:none}.centered small{margin-left:0}.title-decoration{justify-content:center;align-items:center;gap:11px;margin:-6px 0 35px;display:flex}.title-decoration i{background:#cfcfcf;width:38px;height:1px}.title-decoration b{background:#70bf8c;border-radius:50%;width:8px;height:8px}.product-grid{grid-template-columns:repeat(4,1fr);gap:28px 30px;display:grid}.product-grid-two{grid-template-columns:repeat(2,minmax(0,1fr));max-width:760px;margin:0 auto}.product-card{text-align:center;min-width:0}.chemical-card{background:linear-gradient(145deg,#fff,#f5f9fc);border:1px solid #d9e2eb;padding:36px 30px 30px}.chemical-code{color:#2e6aa6;letter-spacing:2px;font-family:Georgia,serif;font-size:54px;font-weight:700}.chemical-formula{color:#78a17d;min-height:22px;margin:3px 0 22px;font-family:Georgia,serif}.chemical-card h2{color:#535f6a;min-height:0;margin:0 0 6px;font-size:19px;font-weight:600}.chemical-card>p:not(.chemical-formula){color:#74808a;min-height:40px;margin:0;font-size:14px;line-height:1.5}.chemical-card small{color:#80909c;margin:14px 0 20px;display:block}.chemical-card button{color:#4f9c72;background:#fff;border:1px solid #6bbe8c;border-radius:18px;padding:7px 21px;font-size:13px}.product-details{padding-bottom:12px}.detail-card{background:#fff;border:1px solid #dce5eb;margin:0 0 28px;box-shadow:0 5px 20px #1944690f}.detail-card>header{color:#fff;background:linear-gradient(110deg,#285f9c,#3b79ad);justify-content:space-between;align-items:center;gap:28px;padding:24px 30px;display:flex}.product-tag{letter-spacing:1px;border:1px solid #ffffff8c;padding:4px 8px;font-size:12px;display:inline-block}.detail-card h2{margin:10px 0 3px;font-size:22px}.detail-card header p{margin:0;line-height:1.65}.detail-body{grid-template-columns:.95fr 1.25fr;gap:30px;padding:28px 30px 30px;display:grid}.detail-body dl{border:1px solid #e5eaee;grid-template-columns:minmax(126px,.75fr) 1.25fr;margin:0;font-size:13px;line-height:1.5;display:grid}.detail-body dt,.detail-body dd{border-bottom:1px solid #e5eaee;min-width:0;margin:0;padding:10px 12px}.detail-body dt:last-of-type,.detail-body dd:last-child{border-bottom:0}.detail-body dt{color:#426c8f;background:#f5f8fb;font-weight:700}.detail-copy{color:#68737c;font-size:14px;line-height:1.8}.detail-copy p{margin:0 0 17px}.detail-copy b,.contact-grid b{color:#2d659e;margin-bottom:5px;display:block}.safety-note{border-left:3px solid #cf9244;padding-left:13px}.contact-section{padding-bottom:20px}.contact-panel{background:#f7fafc;border-top:3px solid #5eab7c;padding:28px 32px;font-size:14px}.contact-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 35px;display:grid}.contact-grid p{color:#68727b;margin:0;line-height:1.75}.contact-grid a{color:#28679f}.english-copy{color:#81909b;font-size:13px}footer{color:#aaa;text-align:center;background:#333641;margin-top:38px;padding:30px 24px 20px;font-size:13px;line-height:1.55}footer p{margin:0 0 8px}.back-top{z-index:5;color:#fff;background:#2c629e;border:0;border-radius:50%;place-items:center;width:42px;height:42px;font-size:23px;display:grid;position:fixed;bottom:28px;right:25px;box-shadow:0 4px 14px #0000002e}@media (width<=860px){.container,.container-wide{width:min(100% - 32px,630px)}.topbar{height:34px;font-size:10px}.navigation-shell{height:70px}.brand-mark{border-width:2px;width:43px;height:43px;font-size:17px}.brand-text strong{font-size:17px}.brand-text small{font-size:6px}.mobile-menu{display:block}nav{background:#fff;flex-direction:column;align-items:stretch;height:auto;padding:8px;display:none;position:absolute;top:104px;left:16px;right:16px;box-shadow:0 12px 26px #00000024}nav.open{display:flex}nav a{justify-content:flex-start;height:auto;padding:13px 16px}nav a.active:after{width:34px;bottom:6px;left:16px;right:auto}.hero{height:420px}.hero-content{justify-content:flex-end;padding-bottom:61px}.hero-overlay{background:linear-gradient(90deg,#f4f9f9e6,#f4f9f947)}.hero h1{font-size:34px}.slide-arrow{display:none}.about{grid-template-columns:1fr;gap:25px;padding-bottom:50px}.about>img{height:auto;margin:0}.advantages{padding:42px 0}.product-grid{grid-template-columns:repeat(2,1fr);gap:20px 14px}.detail-card>header,.detail-body{grid-template-columns:1fr;display:grid}.detail-card>header{padding:22px}.detail-body{gap:20px;padding:22px}.contact-grid{grid-template-columns:1fr}.contact-panel{padding:24px}.back-top{width:38px;height:38px;bottom:18px;right:16px}}@media (width<=430px){.topbar>span:first-child{white-space:nowrap;text-overflow:ellipsis;max-width:55%;overflow:hidden}.hero{height:360px}.hero h1{font-size:29px}.hero-content>p:not(.hero-eyebrow){font-size:13px}.section{padding-top:38px}.section-title span{font-size:23px}.about-copy{font-size:13px}.product-image{height:158px}.product-card h2{font-size:12px}.news-panel li{gap:10px;font-size:13px}.news-panel li span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.news-panel time{flex:none}.contact-panel{font-size:13px}}