/* 全站顶部与底部：后续页面复用此样式及相同 HTML */
*{box-sizing:border-box}body{margin:0;background:#f8f9ff;color:#0b1c30;font:16px/1.65 Arial,sans-serif}a{text-decoration:none;color:inherit}button{font:inherit;cursor:pointer}img{max-width:100%;display:block}html{scroll-behavior:smooth;scroll-padding-top:88px}.home-topbar{background:#111827;color:#e8edf5;font-size:13px}.home-topbar-inner{max-width:1320px;min-height:34px;margin:auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center;gap:20px}.topbar-contact{display:flex;gap:24px}.site-header{position:sticky;top:0;z-index:1000;background:#fff;border-bottom:1px solid #e5e7eb}.site-header-inner{max-width:1320px;margin:auto;min-height:80px;padding:12px 24px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;white-space:nowrap}.brand-mark{width:40px;height:40px;border-radius:8px;background:#111;color:white;display:grid;place-items:center}.brand-text{font-size:16px;letter-spacing:.05em}.main-nav{display:flex;align-items:center;margin-left:auto;gap:6px}.main-nav a{padding:10px 12px;font-size:17px;font-weight:600;color:#344054;border-radius:8px}.main-nav a:hover,.main-nav a.active{background:#f2f4f7;color:#111}.mobile-menu-btn{display:none;margin-left:auto;background:#f2f4f7;border:0;border-radius:8px;padding:8px 12px;font-size:22px}.site-footer{background:#101214;color:#d0d5dd;padding:52px 24px 24px;margin-top:64px}.footer-grid{max-width:1280px;margin:auto;display:grid;grid-template-columns:1.7fr 1fr 1.5fr;gap:48px}.footer-grid p{max-width:390px}.footer-brand{font-size:20px;font-weight:700;color:white}.site-footer h3{color:white;margin:0 0 16px;font-size:17px}.site-footer a{display:block;margin:9px 0;overflow-wrap:anywhere}.footer-social-row{max-width:1280px;margin:24px auto 0;display:flex;justify-content:flex-end}.social-links{display:flex;gap:12px;flex-wrap:wrap}.social-icon-link{display:grid!important;place-items:center;border:1px solid #3c424a;border-radius:50%;width:44px;height:44px;margin:0!important}.social-icon-link:hover{background:#252a31}.social-icon-link svg{width:22px;height:22px}.footer-bottom{max-width:1280px;margin:24px auto 0;padding-top:22px;border-top:1px solid #292d32;display:flex;justify-content:space-between;gap:24px;color:#98a2b3;font-size:13px}.footer-bottom a{display:inline}.back-to-top{position:fixed;right:20px;bottom:20px;z-index:1100;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#111;color:white;font-size:24px;opacity:0;pointer-events:none}.back-to-top.visible{opacity:1;pointer-events:auto}:focus-visible{outline:3px solid #a50034;outline-offset:3px}
@media(max-width:1100px){.mobile-menu-btn{display:block}.site-header-inner{position:relative}.main-nav{display:none;position:absolute;top:100%;left:0;right:0;padding:12px 16px;background:white;border-bottom:1px solid #e5e7eb;flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{width:100%}.footer-grid{gap:24px}}@media(max-width:600px){.home-topbar-inner{padding:6px 16px;font-size:12px}.topbar-contact{gap:8px}.site-header-inner{padding:12px 16px;min-height:72px}.brand-text{font-size:14px}.footer-grid{grid-template-columns:1fr;gap:26px}.site-footer{padding:36px 18px 20px}.footer-bottom{flex-direction:column;gap:12px}.footer-social-row{justify-content:flex-start}.social-links{gap:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Unified viewport, typography and navigation across every route */
:root{--site-max:1280px;--accent:#a50034;--border:#e5e7eb;--muted:#667085}html{font-size:16px;overflow-y:scroll;-webkit-text-size-adjust:100%;text-size-adjust:100%;scrollbar-gutter:stable}body{min-width:320px;overflow-x:clip;font:16px/1.65 Arial,sans-serif}main{width:100%}button,input,textarea,select{font:inherit}[hidden]{display:none!important}.home-topbar-inner,.site-header-inner,.footer-grid,.footer-social-row,.footer-bottom{max-width:var(--site-max)}.home-topbar-inner{justify-content:flex-end;min-height:36px}.topbar-contact{gap:26px;flex-wrap:wrap}.topbar-contact a{white-space:nowrap}.site-header-inner{min-height:84px;gap:22px}.brand{gap:11px}.brand-mark{width:46px;height:46px;background:#0b1c30;flex-shrink:0;border-radius:9px}.brand-mark svg{width:35px;height:35px}.brand-text{display:flex;flex-direction:column;letter-spacing:.07em;font-size:17px;line-height:1.4}.brand-text small{font-weight:400;letter-spacing:.02em;font-size:11px;color:#5b6879}.main-nav a{font-size:17px}.footer-company-name{color:white;font-size:16px;line-height:1.5;max-width:380px}.footer-address{font-size:13px;color:#9eabbc;font-style:normal;max-width:410px}.footer-grid{grid-template-columns:1.6fr .9fr 1.25fr}.site-footer{margin-top:0}.footer-bottom span{max-width:680px}.wrap,.section-inner{max-width:var(--site-max)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.contact-address{grid-column:1/-1}.certification-section{padding:70px 24px;background:#fff}.certification-layout{max-width:var(--site-max);margin:auto;display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center}.certification-copy h2{font-size:clamp(28px,3vw,40px);line-height:1.2;margin:0 0 24px}.certification-copy h2 span{color:#a50034}.certification-copy p{color:#657286;max-width:570px}.certification-copy .certificate-scope{font-size:13px;line-height:1.7}.cert-gallery{min-width:0}.cert-view{overflow:hidden;touch-action:pan-y;mask-image:linear-gradient(90deg,transparent,#000 2%,#000 98%,transparent)}.cert-strip{display:flex;gap:18px;will-change:transform}.cert-item{flex:0 0 calc((100% - 18px)/2);min-width:0;background:#f6f8fb;border:1px solid #dce3ed;border-radius:7px;overflow:hidden}.cert-open{border:0;background:#fff;width:100%;padding:12px;display:block;cursor:zoom-in}.cert-open img{width:100%;height:260px;object-fit:contain}.cert-label{padding:12px 16px 16px}.cert-label h3{font-size:16px;line-height:1.4;margin:0 0 7px}.cert-label p{font-size:12px;color:#687587;line-height:1.5;margin:0 0 8px}.cert-label a{font-size:12px;color:#a50034;font-weight:700}.cert-buttons{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.cert-buttons button{border:1px solid #dce3ed;padding:7px 14px;background:white;border-radius:5px;color:#102238}.cert-buttons button:hover{background:#f1f5fb}.cert-modal{border:0;border-radius:8px;padding:20px;max-width:min(94vw,1000px);width:1000px;max-height:92vh;background:#f5f7fa}.cert-modal::backdrop{background:#06101dde}.cert-modal-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:16px}.cert-modal-bar strong{font-size:16px}.cert-close{border:0;border-radius:4px;padding:8px 15px;background:#0b1c30;color:#fff}.cert-modal img{width:100%;height:auto;max-height:calc(90vh - 110px);object-fit:contain}.cert-modal-link{color:#a50034;font-size:14px;font-weight:700}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0)}.image-attribution{font-size:11px;color:#748194;margin:15px 0 0}.image-attribution a{text-decoration:underline}
@media(max-width:1100px){.footer-grid{grid-template-columns:1.4fr .8fr 1fr;gap:24px}}@media(max-width:900px){.certification-layout{grid-template-columns:1fr;gap:30px}.certification-copy{order:-1}.cert-open img{height:290px}}@media(max-width:600px){.home-topbar-inner{justify-content:center;padding:7px 16px}.topbar-contact{gap:2px 16px;justify-content:center;font-size:11px}.site-header-inner{min-height:78px}.brand-text{font-size:15px}.brand-text small{font-size:10px}.brand-mark{width:42px;height:42px}.footer-grid{grid-template-columns:1fr}.certification-section{padding:46px 18px}.cert-item{flex-basis:calc((100% - 18px)/2)}.cert-open{padding:7px}.cert-open img{height:200px}.cert-label{padding:10px}.cert-label h3{font-size:14px}.cert-modal-bar{flex-wrap:wrap}.cert-modal-bar strong{max-width:70%}}@media(max-width:380px){.cert-item{flex-basis:82%}}