*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100%}html{scroll-behavior:smooth}body{font-family:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";font-size:16px;line-height:1.5;color:#333;background:#fff;--old-page-width: 1000px;--old-brand: #4a7bf7;--old-blue: #0177de;--old-title-blue: #0275d8;--old-border: #eaeaea;--old-bg: #f8f8f8;--old-bg-hover: #fbfcf8}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}ul,ol{list-style:none;margin:0;padding:0}.site-root{min-height:100vh;display:flex;flex-direction:column}.site-main{flex:1;width:100%}.old-header-brand{max-width:var(--old-page-width);margin:0 auto;overflow:hidden}.old-brand-link{float:left;padding:20px 0 30px;color:inherit}.old-brand-link:hover{text-decoration:none}.old-brand-logo{float:left;width:60px;height:60px;margin-right:10px;object-fit:contain}.old-brand-detail{float:left;line-height:1}.old-brand-name{color:#15293d;font-size:48px}.old-brand-name span:nth-child(2){color:#2199e2}.old-brand-intro{display:block;color:#adadad;font-size:16px}.old-header-nav{background-color:#0177de;overflow:hidden}.old-nav-content{max-width:var(--old-page-width);margin:0 auto}.old-nav-list{overflow:hidden}.old-nav-item{float:left;padding:0 30px;border-right:1px solid #eaeaea}.old-nav-item:first-child{border-left:1px solid #eaeaea}.old-nav-link{height:58px;line-height:58px;color:#fff;font-size:24px;font-weight:700}.old-nav-link:focus,.old-nav-link:hover,.old-nav-link:active,.old-nav-link.router-link-active{color:#f5ff93;text-decoration:none}.old-nav-contact{float:left;height:58px;line-height:58px;padding-left:10px;color:#fff;font-size:20px}.old-search-box{padding:10px 0 10px 30px;overflow:hidden}.old-search-field{float:left;width:57%;max-width:700px;margin-right:20px}.old-search-input{width:100%;height:40px;padding:0 16px;border:1px solid #d1d5db;border-radius:4px;background-color:#fcfdf9;color:#1f2937;font-size:16px}.old-search-input::placeholder{color:#bbb}.old-search-input:hover{background-color:var(--old-bg-hover)}.old-search-input:focus{outline:none;background-color:#fff;box-shadow:0 0 0 2px #2196f347}.old-search-button,.old-view-more{height:40px;padding:0 20px;border:0;border-radius:4px;background:#007bff;color:#fff;cursor:pointer;font-size:16px;font-weight:500}.old-search-button:hover,.old-view-more:hover{background:#0056b3}.old-home-search,.old-product-search-container,.old-service-search,.old-contact-search,.old-product-detail-search{max-width:var(--old-page-width);margin:0 auto;padding:20px 0}.old-about-section{padding:80px 0;background-color:#f8f8f8}.old-about{max-width:var(--old-page-width);margin:0 auto;overflow:hidden}.old-about-content{float:left;width:60%;padding:0 30px 0 0}.old-section-title,.old-product-list-title,.old-detail-title{margin:0 0 30px;color:#000;font-size:26px;font-weight:700;line-height:1.5}.old-section-title span{color:#0076df}.old-product-list-title span{color:#0074d9}.old-about-detail{margin:0 0 30px;color:#333;font-size:18px;line-height:2;text-indent:40px;white-space:pre-line}.old-about-warning{margin:0;color:#000;font-size:18px;font-weight:700}.old-about-img-container{float:left;width:40%}.old-about-img{width:400px;max-width:100%;height:auto;padding:10px;border:10px solid #cecece}.old-featured-products{max-width:var(--old-page-width);margin:20px auto}.old-product-list-title{margin:20px 0 20px 20px;text-align:left}.old-product-list-page{max-width:var(--old-page-width);margin:0 auto;overflow:hidden}.old-product-list-layout{overflow:hidden}.old-product-list-main{float:left;width:70%;padding-right:10px}.old-product-sidebar{float:left;width:30%;padding-left:10px}.old-panel-title{width:200px;height:40px;margin-bottom:20px;background-color:#0275d8;color:#fff;font-size:20px;font-weight:700;line-height:40px;text-align:center}.old-initial-panel{border:1px solid var(--old-border);margin-bottom:20px}.old-initial-panel .old-panel-title,.old-target-panel .old-panel-title{width:100%;margin-bottom:0}.old-initials{overflow:hidden;text-align:center}.old-initial{display:inline-block;width:28px;height:28px;margin:10px;border:1px solid var(--old-border);background-color:var(--old-bg);color:#666;line-height:28px;text-align:center;text-transform:capitalize}.old-initial:hover,.old-initial:focus,.old-initial:active{background-color:var(--old-bg-hover);color:var(--old-brand);text-decoration:none}.old-targets{border:1px solid var(--old-border);border-bottom:0}.old-target{position:relative;display:block;height:30px;padding-left:40px;overflow:hidden;border-bottom:1px solid var(--old-border);background-color:var(--old-bg);color:#333;line-height:30px;text-overflow:ellipsis;white-space:nowrap}.old-target:before{content:"";position:absolute;left:16px;top:9px;display:block;width:12px;height:12px;background-color:#ddd}.old-target:hover{background-color:var(--old-bg-hover);color:var(--old-brand);text-decoration:none}.old-view-more{display:block;width:100%;height:42px;margin-top:10px;padding:8px 16px;border:1px solid #2563eb;border-radius:999px;background:#fff;color:#2563eb;font-weight:400;line-height:24px}.old-view-more:hover{background:#eff6ff;color:#2563eb}.old-products{width:100%}.old-product{display:block;padding:10px 10px 10px 20px;overflow:hidden;border:4px solid transparent}.old-product:hover{border-color:#0076df;text-decoration:none}.old-product:nth-child(odd){background-color:var(--old-bg)}.old-product-line{display:block;max-height:60px;margin-bottom:8px;overflow:hidden;color:#999;font-size:16px}.old-product-summary{display:block;max-height:50px;margin-bottom:8px;overflow:hidden;color:#999;font-size:16px}.old-product-name{margin-right:10px;color:var(--old-brand);font-size:22px}.old-product-field{margin-right:10px;color:#0076df}.old-product-field-name{margin-right:10px;color:#666}.old-pagination-wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin:0 0 20px}.old-pagination-bottom{padding-top:20px;padding-bottom:20px}.old-pagination{display:flex;flex-wrap:wrap;gap:4px}.old-page-btn{min-width:34px;height:32px;padding:0 10px;border:1px solid #d1d5db;border-radius:4px;background:#fff;color:#333;cursor:pointer}.old-page-btn:hover:not(:disabled){border-color:#3b82f6;color:#2563eb}.old-page-btn.active{border-color:#3b82f6;background:#3b82f6;color:#fff}.old-page-btn:disabled{opacity:.5;cursor:not-allowed}.old-page-btn.ellipsis{border-color:transparent;background:transparent}.old-page-size{width:118px;height:36px;border:1px solid #d1d5db;border-radius:4px;background:#fff;color:#333}.old-service-page,.old-contact-page,.old-product-detail-page{max-width:var(--old-page-width);margin:20px auto 0}.old-service-search,.old-contact-search,.old-product-detail-search{padding-top:0}.old-service-section{margin-bottom:30px;padding-top:10px}.old-service-title{font-size:20px;font-weight:700}.old-service-content{font-size:18px}.old-service-content a,.old-link,.old-contact-container a{color:#2563eb}.old-contact-content{max-width:var(--old-page-width);margin:0 auto;padding:18px 0 24px;overflow:hidden}.old-contact-form-container{float:left;width:50%;padding-right:18px}.old-contact-container{float:left;width:50%;padding-top:36px;padding-left:22px}.old-contact-container article{margin-bottom:10px;padding:10px 20px 0}.old-contact-container section{margin-bottom:20px}.old-contact-container div{margin-bottom:5px;color:#333;font-size:20px;font-weight:700}.old-contact-container p{margin:0 0 5px;color:var(--old-brand);font-size:18px}.old-order-form{width:100%;margin:0;padding:18px 20px;background:#fff;border:1px solid #f1f5f9;border-radius:6px;box-shadow:0 8px 22px #0f25440d}.old-form-row{margin-bottom:13px}.old-form-label{display:block;margin-bottom:5px;color:#374151;font-size:14px;font-weight:500}.old-required{margin-right:4px;color:#ef4444}.old-form-input,.old-form-textarea{width:100%;border:1px solid #d1d5db;border-radius:6px;background:#fff;color:#1f2937}.old-form-input{height:40px;padding:0 10px}.old-form-input:focus,.old-form-textarea:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 2px #3b82f62e}.old-form-textarea{height:112px;min-height:112px;padding:8px 10px;resize:vertical}.old-captcha-row{display:flex;align-items:center;gap:12px}.old-captcha-box{display:inline-flex;align-items:center;justify-content:center;width:124px;height:40px;padding:0;overflow:hidden;border:1px solid var(--old-border);border-radius:6px;background:#fff;cursor:pointer;-webkit-user-select:none;user-select:none}.old-captcha-svg{display:block;width:100%;height:100%}.old-captcha-wave{fill:none;stroke:#0177de66;stroke-width:1.4;stroke-linecap:round}.old-captcha-line{stroke-linecap:round}.old-captcha-char{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-weight:900;letter-spacing:0;paint-order:stroke;stroke:#ffffffbf;stroke-width:.9px}.old-captcha-input{flex:1}.old-error-text{margin-top:6px;color:#ef4444;font-size:14px}.old-form-submit{text-align:right}.old-submit-button,.old-modal-close{border:0;border-radius:6px;background:#2563eb;color:#fff;cursor:pointer;font-size:14px;font-weight:500}.old-submit-button{min-width:94px;height:40px;padding:0 22px}.old-submit-button:hover,.old-modal-close:hover{background:#1d4ed8}.old-submit-button:disabled{opacity:.55;cursor:not-allowed}.old-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;background:#0f172a75}.old-modal-content{width:min(420px,calc(100% - 32px));overflow:hidden;border-radius:8px;background:#fff;box-shadow:0 20px 60px #0f254438}.old-modal-header,.old-modal-footer{padding:14px 18px;border-bottom:1px solid #e5e7eb}.old-modal-header h2{margin:0;color:#1f2937;font-size:18px;font-weight:600}.old-modal-body{padding:18px;color:#374151}.old-modal-body p{margin:0}.old-modal-footer{border-top:1px solid #e5e7eb;border-bottom:0;text-align:right}.old-modal-close{padding:8px 16px}.old-product-detail-page{padding-top:20px;color:#333;font-size:18px}.old-product-detail-section{overflow:hidden;border-top:1px solid var(--old-border);color:#666}.old-product-panel{float:left;width:50%}.old-product-left-panel{padding:20px 20px 20px 0;border-right:1px solid var(--old-border)}.old-product-right-panel{position:relative;left:-1px;padding:20px 0 20px 20px;border-left:1px solid var(--old-border)}.old-detail-title{margin-bottom:10px;color:var(--old-brand)}.old-detail-name{color:var(--old-brand);font-size:22px}.old-detail-line{margin-bottom:10px;word-break:break-all}.old-detail-line span{margin-left:10px;color:#4a7bf7}.old-chemical-structure{width:350px;max-width:100%;height:auto;margin:20px 0;border:1px solid var(--old-border)}.old-description-container{padding-top:20px}.old-detail-description{margin:0;white-space:pre-line}.old-detail-description.bold{font-weight:700}.old-price-list{border-top:1px solid var(--old-border)}.old-price-row{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--old-border)}.old-loading,.old-empty{padding:40px 20px;color:#666;text-align:center}.old-site-footer{margin-top:20px}.old-site-footer a{color:#fff}.old-site-footer a:hover,.old-site-footer a:active{color:#fff;text-decoration:none}.old-site-footer-detail{background-color:#35414a;padding:20px 0}.old-footer-detail{max-width:var(--old-page-width);margin:0 auto;overflow:hidden}.old-footer-address{float:left;width:60%}.old-footer-address .title{font-size:16px}.old-footer-address .line{margin-bottom:5px;color:#fff}.old-footer-address .label{color:#9e9e9e}.old-footer-brand{float:left;display:block;width:40%;margin-top:20px;color:inherit;text-align:left}.old-footer-logo{display:block;width:60px;height:60px;margin:0 0 10px 64px;object-fit:contain}.old-footer-brand-name{display:block;color:#15293d;font-size:34px;line-height:1}.old-footer-brand-name span:nth-child(2){color:#2199e2}.old-site-footer-copyright{height:60px;background-color:#2b353d;color:#fff;font-size:14px;line-height:60px;text-align:center}@media(max-width:768px){.old-header-brand,.old-nav-content,.old-home-search,.old-product-search-container,.old-service-search,.old-contact-search,.old-product-detail-search,.old-featured-products,.old-product-list-page,.old-service-page,.old-contact-page,.old-product-detail-page,.old-footer-detail{width:auto;max-width:none}.old-brand-link{float:none;display:block;overflow:hidden;padding-left:10px}.old-nav-list{padding-left:20px}.old-nav-item{padding:0 14px}.old-nav-link{font-size:20px}.old-nav-contact{height:auto;line-height:1.5;padding:10px 20px;font-size:16px}.old-search-box{padding:10px 20px}.old-search-field{float:none;width:100%;max-width:none;margin:0 0 10px}.old-search-button{width:100%}.old-about-section{padding:20px 0}.old-about-content,.old-about-img-container,.old-product-list-main,.old-product-sidebar,.old-contact-form-container,.old-contact-container,.old-product-panel,.old-footer-address,.old-footer-brand{float:none;width:auto}.old-about-content{padding:20px;overflow:hidden}.old-about-img-container{margin:20px}.old-product-list-main,.old-product-sidebar{padding:0}.old-panel-title{width:auto;padding-left:20px;text-align:left}.old-service-section,.old-contact-form-container,.old-contact-container,.old-product-left-panel,.old-product-right-panel,.old-description-container{padding:20px}.old-captcha-row{align-items:stretch;flex-direction:column}.old-captcha-input{flex:none}.old-product-left-panel,.old-product-right-panel{border-right:0;border-left:0;border-bottom:1px solid var(--old-border);left:0}.old-footer-address,.old-footer-brand{padding:20px}}