:root{--ink:#15334c;--navy:#102c46;--muted:#60707a;--line:#dce2e5;--pale:#f2f5f6;--accent:#bc7e4d}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--ink);background:#fff;font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #bc7e4d;outline-offset:5px}.skip{position:absolute;top:-100px}.skip:focus{top:0;background:#fff;z-index:100;padding:15px}.topbar{background:var(--navy);color:#d0dbe3;font-size:12px;letter-spacing:1px}.topbar>div{max-width:1440px;margin:auto;padding:7px 5%;display:flex;justify-content:space-between}header{min-height:98px;padding:18px 5%;display:flex;align-items:center;justify-content:space-between;gap:25px;border-bottom:1px solid var(--line);background:#fff;position:relative;z-index:10}.brand{display:flex;align-items:center;gap:17px}.brand>strong{font-family:Arial,sans-serif;font-size:47px;line-height:1;font-weight:900;letter-spacing:-4px;position:relative}.brand strong span{font-size:10px;letter-spacing:0;position:absolute;top:-4px;right:-10px}.brand>span{font-weight:700;font-size:18px;border-left:1px solid #cbd4dc;padding-left:17px;line-height:1.6}.brand small{display:block;font-size:11px;letter-spacing:2px;font-weight:400;color:var(--muted)}nav{display:flex;gap:29px;align-items:center;font-size:14px}nav a:hover,.text-link:hover{color:var(--accent)}.nav-cta{background:var(--navy);color:#fff;padding:12px 22px}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:1.06fr 1fr;min-height:610px;background:#f4f6f6}.hero-copy{padding:78px 8% 25px 9.5%;display:flex;flex-direction:column}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:600;display:block;color:var(--muted);line-height:1.6}.hero .eyebrow{display:flex;align-items:center;gap:13px}.line{height:1px;width:28px;background:var(--accent)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(36px,3.7vw,58px);font-weight:600;letter-spacing:-2px;line-height:1.45;margin:30px 0 22px}h1 span{color:#597286}.hero p{color:var(--muted);font-size:16px;line-height:2}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:18px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:34px;background:var(--navy);color:white;padding:15px 24px;border:1px solid transparent;font-size:14px}.button:hover{background:#254962}.button span{font-size:19px}.text-link{font-size:14px;border-bottom:1px solid #9eacb6;padding-bottom:6px;display:inline-block}.hero-foot{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #d6dfe3;margin-top:auto;padding-top:24px;font-size:11px;letter-spacing:1px;color:#75838c}.hero-media{background:#dce4e8;position:relative;margin:28px 28px 28px 0;min-height:500px;display:flex;flex-direction:column}.photo-slot{background:#e9eef0;min-height:210px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#7b8e9a;position:relative;border:1px solid #dce3e7;text-align:center;padding:25px;font-size:14px}.photo-slot:before,.photo-slot:after{content:"";position:absolute;width:18px;height:18px;border-color:#a9b7c1;border-style:solid}.photo-slot:before{left:18px;top:18px;border-width:1px 0 0 1px}.photo-slot:after{right:18px;bottom:18px;border-width:0 1px 1px 0}.photo-slot small{font-size:11px;letter-spacing:2px;margin-top:5px;color:#7c8c97}.slot-cross{font-size:28px;line-height:1;margin-bottom:16px;font-weight:200}.hero-photo{flex:1;background:#dce4e8;border:0;min-height:400px}.media-caption{background:var(--navy);color:#ecf1f4;padding:23px 27px;font-size:14px;display:flex;flex-direction:column;gap:2px}.media-caption small{font-size:10px;letter-spacing:2px;color:#99acba}.capabilities{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line);padding:23px 5%;gap:25px}.capabilities span{font-family:Arial,sans-serif;font-size:12px;color:#a1adb5;border-right:1px solid var(--line);display:flex;gap:23px;align-items:center}.capabilities span:last-child{border:0}.capabilities b{font-family:"Microsoft YaHei",sans-serif;font-size:15px;color:#324c60;font-weight:500;letter-spacing:2px}.section{padding:85px 5%;max-width:1600px;margin:auto}h2{font-size:clamp(26px,2.3vw,36px);font-weight:500;line-height:1.5;margin:13px 0 23px;letter-spacing:-1px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:33px}.section-heading h2{margin-bottom:0}.section-heading p{font-size:14px;color:var(--muted);margin:0}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.product-card{border:1px solid var(--line);transition:transform .2s,border-color .2s}.product-card:hover{transform:translateY(-5px);border-color:#7c929f}.product-card .photo-slot{border:0;border-bottom:1px solid var(--line);min-height:230px}.card-copy{padding:25px 21px}.card-copy .eyebrow{font-size:9px;letter-spacing:1px;min-height:30px}.card-copy h3{font-size:19px;font-weight:500;display:flex;justify-content:space-between;gap:10px;margin:8px 0 14px;line-height:1.5}.card-copy h3 span{color:#8a9aa4}.card-copy p{font-size:14px;color:var(--muted);line-height:1.9;min-height:80px}.card-copy small{font-size:11px;color:#7b8791}.solutions{background:var(--navy);color:#fff;max-width:none}.solutions .eyebrow{color:#92aabd}.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:50px}.scene-grid article{border-top:1px solid #466075;padding-top:26px}.scene-grid article>span{font-size:11px;color:#a0b4c3;letter-spacing:2px}.scene-grid h3{font-size:23px;margin:22px 0 15px;font-weight:500}.scene-grid p{color:#bdcbd6;font-size:15px;max-width:345px}.scene-grid a{font-size:14px;display:inline-block;margin-top:12px}.project-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.project-grid .photo-slot{min-height:300px}.project-info{padding:23px 0}.project-info>span{color:var(--muted);font-size:12px;letter-spacing:1px}.project-info h3{font-size:23px;font-weight:500;margin:7px 0}.project-info p{font-size:14px;color:var(--muted);margin-bottom:0}.project-note{border-top:1px solid var(--line);display:flex;gap:45px;padding-top:24px;font-size:14px}.project-note span{color:var(--muted)}.about-band{display:grid;grid-template-columns:1fr 1.4fr;gap:70px;padding:65px 10%;background:var(--pale);align-items:center}.about-band h2{font-size:44px;margin-bottom:0}.about-band h3{font-size:22px;font-weight:500}.about-band p{color:var(--muted);font-size:16px}.faq-section{display:grid;grid-template-columns:1fr 1.8fr;gap:70px}.faq-section>div>p{color:var(--muted);font-size:14px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;display:flex;gap:19px;align-items:center;padding:22px 0;font-size:16px;line-height:1.7}summary::-webkit-details-marker{display:none}.q-number{font-size:11px;color:#8395a0}.plus{margin-left:auto;font-size:22px;font-weight:300}details[open] .plus{transform:rotate(45deg)}details p{padding:0 34px;margin-bottom:24px;font-size:15px;color:var(--muted);line-height:1.95}.contact{background:var(--navy);color:white;max-width:none;display:grid;grid-template-columns:1.4fr 1fr;gap:65px}.contact .eyebrow{color:#9cb3c4}.contact h2{font-size:42px}.contact p{color:#b9cbd8;font-size:15px}.light{background:#fff;color:var(--navy);margin-top:15px}.light:hover{background:#dde7ee}.contact-details{align-self:center}.contact-details>div{border-bottom:1px solid #3b556b;padding:16px 0}.contact-details span{color:#a3bacb;font-size:12px}.contact-details p{font-size:16px;color:white;margin:7px 0 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caption{text-align:left;font-size:13px;color:var(--muted);margin-bottom:10px}.detail td,.detail th{padding:15px 10px;border-bottom:1px solid var(--line);text-align:left}.detail th{font-weight:500;min-width:110px;background:var(--pale)}.quote-box{background:var(--pale);padding:36px 40px}.quote-box p{max-width:900px}.source{font-size:13px;color:var(--muted);margin:30px 0 50px}.related{display:flex;gap:25px;flex-wrap:wrap}.related a{border-bottom:1px solid var(--line);padding:10px 0}.standalone{max-width:950px;margin-top:50px}.company-info dt{font-size:13px;color:var(--muted);margin-top:18px}.company-info dd{margin:4px 0;border-bottom:1px solid var(--line);padding-bottom:13px}
@media(min-width:1600px){header,.hero,.capabilities,.about-band,.contact,.solutions,footer{padding-left:max(5%,calc((100vw - 1440px)/2));padding-right:max(5%,calc((100vw - 1440px)/2))}.hero{padding:0 max(0px,calc((100vw - 1600px)/2))}}@media(max-width:1100px){header{padding:18px 4%;gap:18px}nav{gap:18px;font-size:13px}.brand>span{font-size:16px}.brand>strong{font-size:40px}.nav-cta{padding:10px 14px}.hero{min-height:560px}.hero-copy{padding-top:60px}.hero-actions{gap:20px;flex-wrap:wrap}.hero-foot{margin-top:40px}.product-grid{grid-template-columns:1fr 1fr}.card-copy p{min-height:0}.scene-grid{gap:30px}.hero-media{min-height:450px}.hero-photo{min-height:340px}}@media(max-width:800px){.topbar span{display:none}.topbar{font-size:10px}header{min-height:80px}.brand>strong{font-size:36px}.brand>span{font-size:15px}.brand small{font-size:10px}.menu-toggle{display:flex;border:1px solid var(--line);background:white;padding:7px 12px;gap:15px;font-size:13px}header nav{display:none;position:absolute;top:100%;left:0;right:0;background:white;padding:24px 5%;box-shadow:0 14px 18px #102c4610;align-items:stretch}header nav.is-open{display:flex;flex-direction:column}.hero{grid-template-columns:1fr}.hero-copy{padding:46px 6% 28px}.hero h1{font-size:42px}.hero-media{margin:0 6% 28px;min-height:310px}.hero-photo{min-height:270px}.hero-foot{margin-top:38px;padding-top:18px}.hero-actions{margin-top:8px}.capabilities{grid-template-columns:1fr 1fr;gap:18px;padding:22px 6%}.capabilities span:nth-child(2){border:0}.capabilities b{font-size:13px;letter-spacing:1px}.section{padding:55px 6%}.section-heading{display:block}.section-heading p,.section-heading>a{margin-top:20px}.product-grid{gap:16px}.product-card .photo-slot{min-height:180px}.card-copy{padding:20px 16px}.card-copy h3{font-size:18px}.card-copy small{font-size:11px}.scene-grid{grid-template-columns:1fr;gap:28px}.scene-grid article{padding-top:22px}.scene-grid h3{margin-top:14px}.scene-grid p{max-width:none}.project-grid{grid-template-columns:1fr}.project-grid .photo-slot{min-height:250px}.project-note{display:block}.project-note span{display:block;margin-top:10px}.about-band{grid-template-columns:1fr;gap:30px;padding:50px 6%}.about-band h2{font-size:36px}.faq-section{grid-template-columns:1fr;gap:30px}.faq-section h2 br{display:none}.faq-section>div>p br{display:none}.contact{grid-template-columns:1fr;gap:25px}.contact h2{font-size:36px}.footer-top,.footer-bottom{align-items:flex-start;flex-direction:column}.footer-top>div{gap:22px}.footer-bottom{gap:10px}.detail-grid{grid-template-columns:1fr;gap:30px}.detail h1{font-size:34px;letter-spacing:-1px}.detail-grid .photo-slot{min-height:290px}.lead{font-size:17px}.quote-box{padding:25px}.breadcrumbs{margin-bottom:35px}.detail table{font-size:14px}summary{font-size:15px;gap:12px}details p{padding:0 25px}.eyebrow{font-size:10px}.hero .eyebrow{letter-spacing:1px}}@media(max-width:480px){.product-grid{grid-template-columns:1fr}.product-card .photo-slot{min-height:230px}.card-copy p{margin-bottom:12px}.card-copy .eyebrow{min-height:0}.hero h1{font-size:35px}.hero .eyebrow{font-size:9px}.hero-actions{gap:18px}.button{padding:13px 18px;gap:20px}.hero-foot{font-size:10px}.brand{gap:12px}.brand>span{padding-left:12px}.card-copy h3{font-size:21px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Crop the supplied square logo to its SBK symbol without modifying the original asset. */
.brand > .brand-logo{position:relative;display:block;flex:0 0 112px;width:112px;height:43px;overflow:hidden;border:0;padding:0;line-height:0}
.brand-logo img{position:absolute;display:block;width:143.283582%;max-width:none;height:auto;left:-21.641791%;top:-123.529412%}
@media(max-width:800px){.brand > .brand-logo{flex-basis:82px;width:82px;height:31.36px}}


#phone-consult:disabled{cursor:default;background:#fff;color:var(--navy)}

.knowledge-body{max-width:900px}.knowledge-body section{margin:32px 0}.knowledge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.knowledge-grid>a{border:1px solid var(--line);padding:28px}.knowledge-grid>a:hover{border-color:var(--ink)}.knowledge-grid h2{font-size:23px}.knowledge-grid p{color:var(--muted)}.knowledge-grid span{font-size:14px}.glossary{max-width:950px}.glossary>div{padding:24px 0;border-bottom:1px solid var(--line)}.glossary dt{font-weight:600;font-size:20px}.glossary dd{margin:12px 0;color:var(--muted)}.quote-box>.text-link{margin-left:20px}.project-info>.text-link{margin-top:16px}@media(max-width:800px){.knowledge-grid{grid-template-columns:1fr}.quote-box>.text-link{margin:18px 0 0;display:block}}

.footer-bottom{flex-wrap:wrap}.icp-link{white-space:nowrap}.icp-link:hover{text-decoration:underline;color:var(--ink)}

.contact-page{padding-top:36px}.contact-layout{display:grid;grid-template-columns:minmax(260px,.85fr) minmax(0,1.4fr);gap:7%}.find-us{background:var(--pale);padding:38px;align-self:start}.find-us h1{font-size:36px;margin:20px 0 26px;letter-spacing:0}.find-us>p{font-size:16px}.find-us dl{margin-bottom:0}.find-us dt{font-size:14px;color:var(--muted);margin-top:24px}.find-us dd{margin:8px 0 0;border-bottom:1px solid var(--line);padding-bottom:22px;overflow-wrap:anywhere}.enquiry h2{margin-top:0;font-size:34px}.enquiry-intro{color:var(--muted)}.form-notice{background:#eef3f7;border-left:3px solid #6c869b;padding:18px 22px;margin:26px 0}.form-notice p{margin:5px 0 0;font-size:14px}.enquiry-fields{display:grid;grid-template-columns:1fr 1fr;gap:25px}.field-wide{grid-column:1/-1}.field label{display:flex;justify-content:space-between;gap:15px;margin-bottom:10px;font-size:16px}.field label span{font-size:13px;color:var(--muted)}.field input,.field select,.field textarea{box-sizing:border-box;width:100%;border:1px solid #bbc7ce;background:#fff;color:var(--ink);padding:15px;font:inherit;font-size:16px;border-radius:0;min-height:54px}.field textarea{resize:vertical;line-height:1.8}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid #6c869b;outline-offset:2px}.field input::placeholder,.field textarea::placeholder{color:#75818a}.field-hint{font-size:13px;color:var(--muted);display:block;text-align:right}.enquiry-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:22px}.enquiry-actions>span{font-size:13px;color:var(--muted)}.enquiry-status{font-size:14px;margin-top:18px}.footer-top>div{flex-wrap:wrap}@media(max-width:900px){.contact-layout{grid-template-columns:1fr;gap:38px}.find-us{padding:28px}.enquiry h2{font-size:28px}}@media(max-width:520px){.enquiry-fields{grid-template-columns:1fr}.field-wide{grid-column:auto}.form-notice{padding:15px}.find-us h1{font-size:30px}}