@charset "UTF-8";
:root{--navy:#07374d;--ink:#102d3c;--teal:#00a9b7;--muted:#52636b;--paper:#f2f5f6;--line:#dce4e7;--width:1260px;--gutter:40px;color-scheme:light}
*{box-sizing:border-box}html{scroll-padding-top:160px}body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);font-size:16px;line-height:1.8;background:#fff;-webkit-font-smoothing:antialiased}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-weight:600;line-height:1.45;text-wrap:balance}h2{font-size:34px}h3{font-size:23px}a{color:inherit;text-decoration:none}a,button{touch-action:manipulation}img{display:block;max-width:100%;height:auto}button,textarea{font:inherit}button{cursor:pointer}button,a,textarea{-webkit-tap-highlight-color:#00a9b722}ul,ol{padding:0;margin:0}::selection{background:#bfe9ec;color:var(--navy)}[hidden]{display:none!important}:where(a,button,textarea):focus-visible{outline:3px solid #007e8d;outline-offset:5px}main:focus{outline:none}.container{width:min(var(--width),calc(100% - var(--gutter)*2));margin-inline:auto}.section{padding-block:84px}.skip-link{position:fixed;top:12px;left:16px;z-index:100;padding:12px 20px;background:white;color:var(--navy);transform:translateY(-160%);border:2px solid var(--teal)}.skip-link:focus{transform:none}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 27px;border:1px solid transparent;border-radius:2px;font-size:15px;font-weight:500;line-height:1.6;transition:background-color .18s,color .18s,border-color .18s}.button-brand{color:white;background:var(--navy);border-color:var(--navy)}.button-brand:hover{background:#006474;border-color:#006474}.button-light{background:white;color:var(--navy);border-color:white}.button-light:hover{background:#dff2f4;border-color:#dff2f4}.button-outline{background:transparent;border-color:#ffffffb3;color:white}.button-outline:hover{background:white;color:var(--navy)}.text-link{display:inline-flex;align-items:center;min-height:44px;color:#006d7b;font-size:14px;font-weight:500;text-decoration:underline;text-underline-offset:7px;text-decoration-thickness:1px}.text-link:hover{color:var(--navy);text-decoration-thickness:2px}.section-title{display:flex;justify-content:space-between;align-items:flex-end;gap:35px;margin-bottom:38px}.section-title p,.section-description{font-size:16px;color:var(--muted);margin-top:14px;max-width:630px}.section-title>.text-link{flex-shrink:0}.lead{font-size:22px;font-weight:500}.service-icon{width:45px;height:45px;stroke:#007b88;stroke-width:1.5;stroke-linejoin:round;stroke-linecap:round;flex-shrink:0}
/* Clear company identification and conventional page navigation. */
.site-header{position:sticky;top:0;z-index:40;background:white}.brand-row{height:89px;display:flex;align-items:center;gap:27px}.brand{flex-shrink:0;display:block}.brand img{width:123px}.company-wordmark{padding-left:27px;border-left:1px solid var(--line);line-height:1.5}.company-wordmark strong{font-size:17px;font-weight:500;display:block}.company-wordmark span{display:block;font-size:12px;color:var(--muted);margin-top:6px;letter-spacing:.1em}.header-email{margin-left:auto;line-height:1.4;text-align:right}.header-email span{display:block;font-size:11px;color:var(--muted);margin-bottom:4px}.header-email strong{font-size:18px;font-weight:500;white-space:nowrap;font-variant-numeric:tabular-nums}.header-email:hover{color:#006d7b}.nav-shell{border-block:1px solid var(--line);background:#fff}.main-nav{display:flex;gap:0;align-items:stretch}.main-nav>a{display:flex;align-items:center;justify-content:center;font-size:15px;min-width:148px;padding:13px 28px;position:relative;border-right:1px solid #e8eef0}.main-nav>a:first-child{border-left:1px solid #e8eef0;min-width:106px}.main-nav>a[aria-current=page]{color:var(--navy);background:#f2f7f8;font-weight:600}.main-nav>a[aria-current=page]::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--teal)}.main-nav>a:hover{background:#edf5f6;color:#006d7b}.menu-toggle{display:none}
/* The industrial photograph is the main visual statement. */
.home-hero{position:relative;min-height:555px;display:grid;align-items:center;isolation:isolate;overflow:hidden;background:var(--navy);color:white}.hero-photo{position:absolute;z-index:-2;width:100%;height:100%;object-fit:cover;object-position:center 51%}.hero-overlay{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#062b40ed 0%,#062b40b5 31%,#082e4a25 70%,#082e4a12)}.hero-content{padding-block:65px}.hero-content h1{font-size:52px;line-height:1.4;font-weight:500;letter-spacing:.025em;max-width:760px;color:white}.hero-content p{font-size:17px;line-height:2;margin-top:24px;color:#f2f6f7;max-width:650px}.hero-actions{display:flex;gap:16px;margin-top:34px}.hero-actions .button{min-width:156px}.hero-actions :focus-visible{outline-color:white}.scene-label{position:absolute;bottom:18px;right:max(var(--gutter),calc((100% - var(--width))/2));font-size:11px;color:#fff;background:#102d3c94;padding:2px 7px}.service-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.service-card{padding:35px 28px 28px 0;min-width:0}.service-card+.service-card{padding-left:28px;border-left:1px solid var(--line)}.service-card h3{font-size:24px;margin-top:23px}.service-card h3 a:hover{color:#006d7b}.service-card p{color:var(--muted);font-size:15px;margin-top:15px;min-height:54px;max-width:260px}.service-card .text-link{margin-top:16px;font-size:13px}.product-section{background:var(--paper);padding-block:80px}.home-products{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.product-photo{position:relative;overflow:hidden;min-height:480px;background:#e8e5df}.product-photo img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center}.product-photo figcaption{position:absolute;bottom:0;left:0;right:0;padding:11px 16px;color:#34444d;background:#ffffffeb;font-size:11px}.home-product-copy h2{font-size:34px}.home-product-copy .section-description{font-size:15px;margin-bottom:24px}.product-row{padding:25px 0;border-top:1px solid #ccd8dc}.product-row h3{font-size:24px}.product-row p{color:var(--muted);font-size:15px;margin-top:12px;line-height:1.9}.product-row .text-link{margin-top:10px}.company-overview{display:grid;grid-template-columns:1fr 1.5fr;gap:100px;align-items:start}.company-overview h2{font-size:37px;line-height:1.65}.company-overview>.text-link,.company-overview>div>.text-link{margin-top:23px}.company-overview>div>p+p{color:var(--muted);margin-top:17px;max-width:720px;font-size:16px;line-height:1.95}.business-cta{background:var(--navy);color:white;padding-block:40px}.business-cta>.container{display:flex;align-items:center;justify-content:space-between;gap:45px}.business-cta h2{font-size:28px}.business-cta p{font-size:14px;color:#d3e0e5;margin-top:8px}.business-cta .button{flex-shrink:0}.business-cta :focus-visible{outline-color:white}
/* Dedicated pages have a consistent title, hierarchy and local navigation. */
.page-head{background:var(--paper);border-bottom:1px solid var(--line)}.breadcrumb{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-block:19px;font-size:12px;color:#5b6d76}.breadcrumb a{min-height:26px;display:inline-flex;align-items:center}.breadcrumb a:hover{color:#006d7b;text-decoration:underline}.breadcrumb [aria-current]{color:var(--ink)}.page-heading{padding-top:24px;padding-bottom:52px;display:flex;justify-content:space-between;gap:40px;align-items:center}.page-heading h1{font-size:44px;letter-spacing:.025em;position:relative;padding-left:23px}.page-heading h1::before{content:"";position:absolute;left:0;top:.2em;bottom:.18em;width:4px;background:var(--teal)}.page-heading p{font-size:17px;color:var(--muted);margin-top:18px;max-width:820px}.service-catalog>article{display:grid;grid-template-columns:310px 1fr;gap:60px;padding-block:42px;border-bottom:1px solid var(--line)}.service-catalog>article:first-child{padding-top:0}.catalog-name{display:flex;gap:21px;align-items:flex-start}.catalog-name h2{font-size:28px}.catalog-copy h3{font-size:23px}.catalog-copy>p{margin-top:15px;color:var(--muted);max-width:740px}.inline-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:9px 30px;margin-block:22px 14px}.inline-list li{font-size:14px;color:#4c626d;padding-left:16px;position:relative}.inline-list li::before{content:"";position:absolute;left:0;top:.85em;width:5px;height:5px;background:#008695}.scope-note{font-size:13px;line-height:1.9;color:var(--muted);margin-top:30px}.detail-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:66px;padding-block:62px 78px;align-items:start}.detail-sidebar{position:sticky;top:174px;min-width:0}.detail-sidebar>h2{font-size:21px;margin-bottom:18px}.detail-sidebar nav{border-top:2px solid var(--navy);background:var(--paper)}.detail-sidebar nav a{display:block;padding:16px 20px;border-bottom:1px solid var(--line);font-size:15px}.detail-sidebar nav a[aria-current]{background:var(--navy);color:white}.detail-sidebar nav a:not([aria-current]):hover{background:#e2edf0}.sidebar-contact{margin-top:31px;padding:23px 0;border-top:1px solid var(--line)}.sidebar-contact p{font-size:13px;color:var(--muted)}.sidebar-contact>a:not(.text-link){display:block;margin-top:8px;font-size:16px;overflow-wrap:anywhere}.sidebar-contact .text-link{margin-top:9px}.detail-section{margin-bottom:40px}.detail-section>h2{font-size:27px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:23px}.detail-lead{font-size:17px;line-height:2;color:#405b68;max-width:800px}.scope-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}.scope-grid article{padding-block:18px 23px}.scope-grid h3{font-size:20px}.scope-grid p{font-size:15px;color:var(--muted);margin-top:12px;line-height:1.95}.requirements{padding:30px 34px;background:var(--paper);border-left:3px solid var(--teal)}.requirements h2{font-size:22px}.requirements ul{padding-left:21px;margin-block:18px;color:var(--muted)}.requirements li{margin-block:7px;font-size:15px}.requirements>p{font-size:15px;margin-top:15px;color:var(--muted)}.requirements .button{margin-top:17px}.related-section{padding-block:38px;background:var(--paper);border-top:1px solid var(--line)}.related-section h2{font-size:24px}.related-links{display:flex;gap:24px;flex-wrap:wrap;margin-top:20px}.related-link{display:inline-flex;align-items:center;padding:9px 22px;border:1px solid #b6cbd2;color:var(--navy);background:white;font-size:15px;min-height:45px}.related-link:hover{background:var(--navy);color:white;border-color:var(--navy)}.products-overview{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.products-overview .product-row:first-child{border-top:0;padding-top:0}.field-tags{display:flex;gap:25px;flex-wrap:wrap;list-style:none;margin-top:27px}.field-tags li{padding-bottom:6px;border-bottom:2px solid var(--teal);font-size:15px}.product-service-list article{padding-block:25px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:150px 1fr auto;align-items:center;gap:25px}.product-service-list h3{font-size:19px}.product-service-list h3 a:hover{color:#006d7b}.product-service-list p{font-size:14px;color:var(--muted)}.product-service-list .text-link{font-size:13px;white-space:nowrap}.about-intro{display:grid;grid-template-columns:1.3fr 1fr;gap:80px}.about-intro h2{font-size:28px;margin-bottom:24px}.about-intro>div>p{color:var(--muted);margin-top:17px;line-height:2;font-size:16px}.company-info{background:var(--paper);padding:30px 34px}.company-info h3{font-size:22px}.company-info dl{margin:20px 0 0}.company-info dt{font-size:12px;color:var(--muted);margin-top:17px}.company-info dd{margin:5px 0 0;font-size:15px}.values-section{padding-block:56px;background:var(--navy);color:#fff}.values-section h2{font-size:30px}.values-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:45px;margin-top:34px}.values-grid article{padding-top:22px;border-top:1px solid #60808d}.values-grid h3{font-size:23px}.values-grid p{color:#d5e4e9;font-size:15px;margin-top:12px}.process-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:35px;list-style:none}.process-list li{border-top:2px solid #b9d1d8;padding-top:20px}.process-list span{display:block;font-size:25px;font-variant-numeric:tabular-nums;color:#007b88;margin-bottom:18px}.process-list h3{font-size:22px}.process-list p{font-size:15px;color:var(--muted);margin-top:12px}.contact-layout{display:grid;grid-template-columns:1.3fr 1fr;gap:100px;align-items:start}.contact-information h2{font-size:30px}.contact-company{font-size:20px;margin-top:14px}.contact-item{border-top:1px solid var(--line);padding-top:21px;margin-top:24px}.contact-item h3{font-size:13px;font-weight:400;color:var(--muted)}.contact-item p{font-size:17px;margin-top:9px}.contact-email{max-width:100%;overflow-wrap:anywhere;font-size:28px;line-height:1.6;display:inline-block;min-height:44px;margin-top:5px;font-variant-numeric:tabular-nums;letter-spacing:.015em}.contact-email:hover{color:#007b88}.wechat-card{padding:33px;background:var(--paper);text-align:center}.wechat-card h2{font-size:26px}.wechat-card>p{font-size:14px;color:var(--muted);margin-top:5px}.wechat-card img{width:210px;height:210px;margin:23px auto 26px}.wechat-card .button{font-size:14px;min-width:210px}.wechat-card small{display:block;font-size:11px;color:var(--muted);margin-top:15px}.contact-preparation{background:var(--paper);padding-block:50px}.preparation-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:100px;align-items:center}.preparation-grid h2{font-size:27px}.preparation-grid p{color:var(--muted);font-size:15px;margin-top:13px}.preparation-grid .button{margin-top:25px}.preparation-grid ul{list-style:none}.preparation-grid li{font-size:16px;padding:11px 0;border-bottom:1px solid #d2dfe4}.preparation-grid li:first-child{border-top:1px solid #d2dfe4}.copy-status:empty{display:none}.copy-status{max-width:460px}dialog{width:min(560px,calc(100% - 32px));max-height:calc(100dvh - 40px);padding:28px;border:1px solid #c2d4dc;border-radius:3px;color:var(--ink);overscroll-behavior:contain}dialog::backdrop{background:#052b3eb3}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}.dialog-heading h2{font-size:24px}.dialog-heading button{min-height:44px;padding:8px 16px;border:1px solid var(--line);background:var(--paper);color:var(--ink)}dialog>p{font-size:14px;margin-top:15px;color:var(--muted)}dialog textarea{width:100%;font-size:16px;line-height:1.9;padding:14px;margin-block:20px;resize:vertical;border:1px solid #a8c2cd;background:#f7fafb;color:var(--ink)}
.site-footer{background:#092e40;color:#dce7eb;padding-block:50px 24px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:50px}.footer-company strong{font-size:18px;font-weight:500;color:white;line-height:1.8;display:block;max-width:350px}.footer-company p{margin-top:13px;font-size:14px;color:#b7ccd5}.footer-company>span{font-size:12px;color:#b7ccd5;display:block;margin-top:20px}.footer-column h2{font-size:14px;color:#fff;font-weight:500;margin-bottom:14px}.footer-column a{display:block;font-size:13px;min-height:32px;color:#bed1d9}.footer-column a:hover{text-decoration:underline;color:white}.footer-contact>span{font-size:12px;color:#bed1d9}.footer-contact>a{display:block;font-size:16px;overflow-wrap:anywhere;margin-top:7px;min-height:40px;color:white}.footer-contact>p{font-size:12px;color:#bed1d9;margin-top:13px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:21px;margin-top:38px;border-top:1px solid #2c4b5d;font-size:11px;color:#b7cbd5}.site-footer :focus-visible{outline-color:#76e6ed}
@media(min-width:1800px){.home-hero{min-height:590px}.hero-photo{object-position:center 53%}}
@media(max-width:1100px){:root{--gutter:30px}.company-wordmark strong{font-size:15px}.header-email strong{font-size:17px}.main-nav>a{min-width:130px}.hero-content h1{font-size:46px}.home-hero{min-height:520px}.service-card{padding-right:21px}.service-card+.service-card{padding-left:21px}.service-card h3{font-size:21px}.service-card p{font-size:14px;min-height:76px}.home-products,.products-overview{gap:43px}.product-photo{min-height:460px}.company-overview{gap:55px;grid-template-columns:1fr 1.3fr}.company-overview h2{font-size:32px}.detail-layout{grid-template-columns:210px minmax(0,1fr);gap:40px}.service-catalog>article{grid-template-columns:230px 1fr;gap:40px}.catalog-name{gap:17px}.catalog-name h2{font-size:24px}.catalog-name .service-icon{width:37px}.product-service-list article{grid-template-columns:125px 1fr;gap:10px 20px}.product-service-list .text-link{grid-column:2}.about-intro{gap:45px}.contact-layout,.preparation-grid{gap:55px}.footer-grid{gap:32px;grid-template-columns:1.6fr 1fr 1fr 1.2fr}.footer-contact>a{font-size:15px}.footer-company strong{font-size:16px}}
@media(max-width:800px){html{scroll-padding-top:94px}:root{--gutter:26px}.site-header{border-bottom:1px solid var(--line)}.brand-row{height:78px;gap:22px}.brand img{width:109px}.company-wordmark{padding-left:22px}.company-wordmark strong{font-size:13px;max-width:230px}.company-wordmark span{font-size:10px}.header-email{display:none}.menu-toggle{display:flex;width:44px;height:44px;padding:10px;align-items:center;justify-content:center;flex-direction:column;gap:5px;background:#f0f5f6;border:1px solid #d8e4e8;margin-left:auto;flex-shrink:0}.menu-toggle span{width:20px;height:2px;background:var(--navy)}.nav-shell{display:none;position:absolute;top:78px;left:0;right:0;max-height:calc(100dvh - 78px);overflow:auto;background:white;border-top:1px solid var(--line);box-shadow:0 14px 28px #092e4017;overscroll-behavior:contain}.site-header.menu-open .nav-shell{display:block}.main-nav{display:block;padding-block:8px 18px}.main-nav>a,.main-nav>a:first-child{border:0;min-width:0;justify-content:flex-start;padding:13px 16px;min-height:49px;font-size:16px}.main-nav>a[aria-current=page]::after{left:0;right:auto;top:12px;bottom:12px;height:auto;width:3px}.main-nav>a[aria-current=page]{background:#eef5f7}.section{padding-block:60px}h2{font-size:29px}.home-hero{min-height:490px}.hero-content{padding-block:54px}.hero-content h1{font-size:43px}.hero-content p{font-size:15px;max-width:530px}.hero-photo{object-position:63% center}.hero-overlay{background:linear-gradient(90deg,#062b40ed,#062b4099 60%,#082e4a35)}.section-title{gap:25px;margin-bottom:27px}.section-title p{font-size:14px}.service-grid{grid-template-columns:1fr 1fr}.service-card{padding:27px 25px 25px 0}.service-card+.service-card{padding-left:25px}.service-card:nth-child(3){border-left:0;padding-left:0}.service-card:nth-child(n+3){border-top:1px solid var(--line)}.service-card p{min-height:auto;max-width:100%;font-size:14px}.service-card h3{margin-top:18px;font-size:23px}.service-card .text-link{margin-top:12px}.home-products,.products-overview{gap:35px;grid-template-columns:1fr}.product-section{padding-block:60px}.product-photo{min-height:390px}.home-product-copy h2{font-size:30px}.home-product-copy .section-description{max-width:100%}.product-row{padding-block:23px}.company-overview{grid-template-columns:1fr;gap:28px}.company-overview h2{font-size:30px;line-height:1.5}.company-overview h2 br{display:none}.company-overview>div>.text-link{margin-top:13px}.business-cta>.container{gap:30px}.business-cta h2{font-size:25px}.business-cta p{font-size:13px}.business-cta .button{font-size:14px;padding-inline:19px}.page-heading{padding-block:22px 38px}.page-heading h1{font-size:36px}.page-heading p{font-size:15px}.breadcrumb{padding-block:14px;font-size:11px;gap:9px}.service-catalog>article{grid-template-columns:1fr;gap:23px;padding-block:31px}.catalog-name{align-items:center}.catalog-name .service-icon{width:36px;height:36px}.catalog-name h2{font-size:25px}.catalog-copy h3{font-size:22px}.catalog-copy>p{font-size:15px}.detail-layout{grid-template-columns:1fr;gap:33px;padding-block:32px 55px}.detail-sidebar{position:static}.detail-sidebar>h2{font-size:18px;margin-bottom:14px}.detail-sidebar nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:0;gap:1px}.detail-sidebar nav a{padding:13px 9px;text-align:center;font-size:14px;border:0;display:flex;align-items:center;justify-content:center;min-height:48px}.sidebar-contact{display:none}.detail-section>h2{font-size:25px}.scope-grid{gap:0 32px}.scope-grid h3{font-size:19px}.requirements{padding:27px}.requirements h2{font-size:21px}.product-service-list article{grid-template-columns:135px 1fr auto}.product-service-list .text-link{grid-column:auto}.about-intro{grid-template-columns:1fr;gap:33px}.about-intro h2{font-size:26px}.company-info{padding:27px}.values-section{padding-block:40px}.values-section h2{font-size:27px}.values-grid{gap:25px}.values-grid h3{font-size:21px}.values-grid p{font-size:13px}.process-list{grid-template-columns:1fr 1fr;gap:27px 33px}.process-list h3{font-size:21px}.contact-layout{grid-template-columns:1.2fr 1fr;gap:35px}.contact-company{font-size:17px}.contact-information h2{font-size:27px}.contact-email{font-size:21px}.contact-item p{font-size:15px}.wechat-card{padding:25px 20px}.wechat-card img{width:180px;height:180px}.wechat-card .button{min-width:0;width:100%;padding-inline:12px}.wechat-card h2{font-size:23px}.preparation-grid{gap:40px;grid-template-columns:1fr 1fr}.preparation-grid h2{font-size:24px}.preparation-grid p{font-size:14px}.preparation-grid li{font-size:14px}.footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:30px}.footer-contact{grid-column:1/-1;border-top:1px solid #2c4b5d;padding-top:23px;display:grid;grid-template-columns:auto 1fr;gap:4px 30px;align-items:center}.footer-contact>a{font-size:17px;margin-top:0}.footer-contact>p{grid-column:2;margin-top:0}.footer-contact>p br{display:none}.footer-bottom{font-size:10px}}
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