/* Shared chrome is namespaced. Legacy page-specific CSS remains read-only. */
:root{--header:80px;--ub-ink:#101416;--ub-paper:#faf9f2;--ub-green:#087565;--ub-mint:#81cbb6}
html{scroll-padding-top:160px}body{margin:0}body.ub-menu-open{overflow:hidden}[hidden]{display:none!important}
.ub-header,.ub-footer,.ub-container,.ub-text-link,.ub-button{box-sizing:border-box;font-family:Inter,'Microsoft YaHei','PingFang SC',sans-serif}
.ub-header *,.ub-footer *{box-sizing:border-box}.ub-header a,.ub-footer a,.ub-button,.ub-text-link{text-decoration:none;color:inherit}.ub-header button,.ub-header summary,.ub-footer summary{font:inherit;cursor:pointer}.ub-header a:focus-visible,.ub-header button:focus-visible,.ub-header summary:focus-visible,.ub-footer a:focus-visible,.ub-footer summary:focus-visible,.ub-button:focus-visible,.ub-text-link:focus-visible{outline:3px solid #20b999;outline-offset:4px}
.ub-container{width:min(1280px,calc(100% - 112px));margin:0 auto}.ub-button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-height:54px;padding:15px 23px;border-radius:4px;border:1px solid var(--ub-green);background:var(--ub-green);color:#fff;font-size:15px;font-weight:600;line-height:1.5}.ub-button:hover{background:#065f52}.ub-text-link{display:inline-flex;align-items:center;gap:22px;min-height:44px;padding:8px 0;font-size:15px;line-height:1.6;font-weight:500;color:var(--ub-green);text-decoration:none}.ub-text-link:hover>span:first-child{text-decoration:underline;text-underline-offset:5px}.ub-text-link>span:last-child,.ub-button>span:last-child{flex-shrink:0}
.ub-skip{position:fixed;top:-100px;left:20px;background:#fff;color:#101416;padding:16px;z-index:200;font:16px/1.5 sans-serif}.ub-skip:focus{top:12px}
header.ub-header{height:var(--header);position:sticky;top:0;z-index:70;width:100%;margin:0;padding:0;background:#191d1e;border-bottom:1px solid #ffffff20;color:var(--ub-paper);box-shadow:none;isolation:isolate}
.ub-header-inner{height:100%;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:22px}.ub-brand{display:inline-flex;flex-shrink:0}.ub-header .ub-brand img{width:182px;height:auto;display:block;max-width:100%;object-fit:contain}.ub-header #ub-navigation{display:flex;align-items:center;gap:18px;height:100%;margin:0;padding:0}
.ub-nav-item{height:100%;display:flex;align-items:center}.ub-header .ub-nav-trigger{border:0;background:none;box-shadow:none;padding:15px 0;font-size:13px;line-height:1.5;font-weight:600;display:flex;align-items:center;gap:7px;white-space:nowrap;border-radius:0;min-height:44px;color:inherit}.ub-nav-item[data-current]>.ub-nav-trigger{color:var(--ub-mint)}.ub-header .ub-nav-trigger[aria-expanded=true]{box-shadow:inset 0 -2px var(--ub-mint)}.ub-nav-trigger[aria-expanded=true]>span{transform:rotate(180deg)}
.ub-nav-aux{display:flex;align-items:center;gap:17px;font-size:12px}.ub-header .ub-small{min-height:44px;padding:11px 16px;gap:16px;font-size:13px;color:#fff}
.ub-mega{position:absolute;top:100%;left:0;width:100%;padding:38px max(40px,calc((100vw - 1280px)/2));margin:0;background:var(--ub-paper);color:var(--ub-ink);display:grid;grid-template-columns:255px 1fr;gap:60px;max-height:calc(100dvh - var(--header));overflow:auto;border-bottom:1px solid #d9ded8;box-shadow:0 20px 30px #0002}
.ub-mega-intro>p{font-size:12px;letter-spacing:.08em;font-weight:600;margin:0 0 20px;color:var(--ub-green);line-height:1.5}.ub-mega-intro h2{font-size:23px;font-weight:600;line-height:1.65;letter-spacing:0;margin:0 0 20px;max-width:none;text-align:left}.ub-mega-intro .ub-text-link{font-size:13px;color:var(--ub-green)}.ub-mega-groups{display:flex;gap:32px}.ub-mega-groups>div{flex:1;min-width:0}.ub-mega-groups h3{font-size:12px;font-weight:500;letter-spacing:0;color:#68726b;line-height:1.5;padding:0 0 15px;border-bottom:1px solid #d9ded8;margin:0 0 10px}
.ub-header .ub-menu-link{display:flex;justify-content:space-between;gap:18px;padding:12px 0;font-size:15px;font-weight:500;line-height:1.5;color:var(--ub-ink)}.ub-menu-link small{display:block;font-size:12px;font-weight:400;line-height:1.65;color:#66726b;margin-top:5px}.ub-menu-link:hover>span:first-child{color:var(--ub-green)}.ub-menu-link>span:last-child{flex-shrink:0}.ub-nav-item:nth-child(4) .ub-mega-groups>div,.ub-nav-item:nth-child(5) .ub-mega-groups>div{display:grid;grid-template-columns:repeat(2,1fr);column-gap:35px}.ub-nav-item:nth-child(4) .ub-mega-groups h3,.ub-nav-item:nth-child(5) .ub-mega-groups h3{grid-column:1/-1}
.ub-backdrop{position:fixed;inset:var(--header) 0 0;background:#0008;z-index:65}.ub-header .ub-mobile-toggle{display:none}.ub-career{position:relative;white-space:nowrap;border:0;padding:0;margin:0}.ub-career>summary{min-height:44px;display:flex;align-items:center;list-style:none;margin:0;padding:0;border:0;font-size:12px;font-weight:500;color:inherit;line-height:1.5}.ub-career>summary::-webkit-details-marker{display:none}.ub-career>summary:after{content:'⌄';margin-left:5px}.ub-career>summary[aria-current]{color:var(--ub-mint)}.ub-career-links{position:absolute;top:48px;right:0;width:300px;max-height:70dvh;overflow:auto;background:var(--ub-paper);color:var(--ub-ink);padding:15px 24px;box-shadow:0 10px 30px #0003;border:1px solid #d9ded8}.ub-career-links .ub-text-link{display:flex;justify-content:space-between;gap:16px;padding:12px 0;white-space:normal;font-size:13px;font-weight:400;line-height:1.6;color:var(--ub-ink)}
.ub-footer{background:var(--ub-ink);color:#c5cec8;padding:65px 0 0;margin:0;letter-spacing:0;line-height:1.75}.ub-footer p{font-size:13px;line-height:1.85;margin:0}.ub-footer h3{font-size:15px;font-weight:600;line-height:1.6;letter-spacing:0;color:var(--ub-paper);margin:0 0 20px}.ub-footer h2{font-size:21px;line-height:1.6;letter-spacing:0;font-weight:600;color:var(--ub-paper);margin:0 0 12px}.ub-footer-brand{display:grid;grid-template-columns:240px 1fr auto;gap:48px;align-items:start;padding-bottom:55px;border-bottom:1px solid #ffffff20}.ub-footer-brand .ub-brand img{width:220px;height:auto;object-fit:contain}.ub-footer-brand p{max-width:620px}.ub-footer-brand>.ub-text-link{font-size:14px;color:var(--ub-mint)}.ub-footer-grid{display:grid;grid-template-columns:1.25fr 1.1fr 1fr 1fr 1fr;gap:35px;padding:48px 0}.ub-footer .ub-footer-link{font-size:12px;line-height:1.7;padding:7px 0;display:block;font-weight:400}.ub-footer a>span:last-child:not(:first-child){display:none}.ub-footer a:hover{color:var(--ub-mint);text-decoration:underline;text-underline-offset:4px}.ub-footer-contact{border-top:1px solid #ffffff20;padding:28px 0;display:flex;gap:22px 40px;flex-wrap:wrap;font-size:13px;align-items:center}.ub-footer-contact h3{margin:0}.ub-regions{border:0;border-top:1px solid #ffffff20;border-bottom:1px solid #ffffff20;padding:26px 0;margin:0}.ub-regions summary{font-size:15px;color:var(--ub-paper);font-weight:500;min-height:30px;margin:0;padding:0;display:list-item;line-height:1.65}.ub-regions summary>span{font-size:12px;color:#b1bbb4;margin-left:22px}.ub-regions>div{display:flex;gap:6px 28px;flex-wrap:wrap;margin-top:16px}.ub-regions a{font-size:13px;padding:7px 0}.ub-footer-secondary{display:grid;grid-template-columns:1.3fr 1fr 1.3fr;gap:40px;padding:35px 0}.ub-footer-secondary h3{font-size:13px;margin-bottom:8px}.ub-footer-secondary p{font-size:12px;color:#9ea9a2;margin-bottom:10px}.ub-footer-secondary section>div{display:flex;gap:2px 18px;flex-wrap:wrap}.ub-footer-secondary a{font-size:12px;padding:8px 0}.ub-footer-bottom{font-size:12px;color:#9eaaa2;border-top:1px solid #ffffff20;padding:22px 0;display:flex;gap:12px 32px;justify-content:space-between;align-items:center;flex-wrap:wrap}.ub-footer-bottom p{font-size:12px;line-height:1.8}.ub-footer-bottom p>span{margin-right:.45em}.ub-footer-bottom>div{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:4px 24px;margin-left:auto}.ub-footer-bottom .ub-footer-link{font-size:inherit;line-height:1.8;padding:4px 0}
@media(min-width:1181px) and (max-width:1360px){.ub-header-inner{padding:0 24px;gap:16px}.ub-header .ub-brand img{width:160px}.ub-header #ub-navigation{gap:13px}.ub-nav-aux{gap:12px}.ub-header .ub-nav-trigger{font-size:12px}}
.ub-friendlinks{display:flex;align-items:baseline;gap:12px 28px;flex-wrap:wrap;border-top:1px solid #ffffff20;padding:24px 0}.ub-footer .ub-friendlinks h3{font-size:13px;margin:0;flex-shrink:0}.ub-friendlinks-items{display:flex;flex:1 1 240px;flex-wrap:wrap;gap:6px 22px;list-style:none;padding:0;margin:0;min-width:0}.ub-friendlinks-items li{list-style:none;margin:0;padding:0;max-width:100%}.ub-friendlinks-items a{display:inline-block;font-size:12px;line-height:1.8;padding:4px 0;overflow-wrap:anywhere}.ub-friendlinks-items img{max-width:140px;max-height:48px;width:auto;height:auto;vertical-align:middle}
@media(max-width:767px){.ub-friendlinks[data-mobile="hide"]{display:none}}
@media(max-width:1180px){:root{--header:72px}.ub-header-inner{padding:0 32px}.ub-header .ub-mobile-toggle{display:flex;background:none;border:1px solid #ffffff40;border-radius:3px;width:44px;height:44px;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:7px;box-shadow:none;color:#fff}.ub-mobile-toggle span{display:block;width:20px;height:1px;background:#fff;transition:transform .15s}.ub-mobile-toggle[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}.ub-mobile-toggle[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}.ub-header #ub-navigation{display:none;position:absolute;top:100%;left:0;width:100%;height:calc(100dvh - var(--header));overflow:auto;overscroll-behavior:contain;background:var(--ub-paper);color:var(--ub-ink);padding:20px 40px 40px}.ub-header #ub-navigation.is-open{display:block}.ub-nav-item{display:block;height:auto;border-bottom:1px solid #d9ded8}.ub-header .ub-nav-trigger{width:100%;font-size:18px;justify-content:space-between;padding:19px 0}.ub-nav-item[data-current]>.ub-nav-trigger{color:var(--ub-green)}.ub-header .ub-nav-trigger[aria-expanded=true]{box-shadow:none}.ub-mega{position:static;display:block;max-height:none;padding:8px 0 24px;box-shadow:none;border:none;overflow:visible}.ub-mega-intro{display:block;margin-bottom:18px}.ub-mega-intro>p,.ub-mega-intro>h2{display:none}.ub-mega-intro>.ub-text-link{border-bottom:1px solid var(--ub-green);min-height:40px;padding:3px 0}.ub-mega-groups{gap:30px}.ub-nav-aux{align-items:flex-start;flex-wrap:wrap;font-size:14px;padding-top:24px;gap:22px}.ub-career-links{position:static;box-shadow:none;width:auto;max-height:none;padding:8px 0;border:0}.ub-career{width:100%;border-bottom:1px solid #d9ded8;padding-bottom:12px}.ub-career>summary{justify-content:space-between;font-size:15px}.ub-career>summary[aria-current]{color:var(--ub-green)}.ub-career-links{display:grid;grid-template-columns:1fr 1fr;column-gap:32px}.ub-nav-aux>.ub-button{margin-left:auto}.ub-backdrop{display:none}.ub-container{width:calc(100% - 80px)}.ub-footer-brand{grid-template-columns:200px 1fr;gap:35px}.ub-footer-brand>.ub-text-link{grid-column:2}.ub-footer-brand .ub-brand img{width:190px}.ub-footer-grid{gap:20px}.ub-footer-contact{gap:16px 30px}}
@media(max-width:800px){.ub-container{width:calc(100% - 56px)}.ub-header-inner{padding:0 28px}.ub-footer-grid{grid-template-columns:repeat(3,1fr);gap:28px}.ub-footer-secondary{grid-template-columns:1fr 1fr}.ub-footer-secondary section:last-child{grid-column:1/-1}.ub-footer-brand{grid-template-columns:1fr;gap:25px}.ub-footer-brand>.ub-text-link{grid-column:auto}}
@media(max-width:600px){:root{--header:68px}html{scroll-padding-top:140px}.ub-container{width:calc(100% - 40px)}.ub-header-inner{padding:0 20px}.ub-header .ub-brand img{width:162px}.ub-footer{padding-top:46px}.ub-footer-brand{padding-bottom:30px}.ub-footer-brand h2{font-size:19px}.ub-footer-brand p{font-size:12px}.ub-footer-grid{grid-template-columns:1fr 1fr;padding:30px 0;gap:26px 20px}.ub-footer-grid a{font-size:12px;padding:8px 0}.ub-footer-grid h3{font-size:14px;margin-bottom:12px}.ub-footer-contact{align-items:flex-start;flex-direction:column;gap:14px;font-size:12px}.ub-regions summary>span{display:block;margin:8px 0 0}.ub-regions>div{gap:5px 24px}.ub-footer-secondary{grid-template-columns:1fr;gap:26px}.ub-footer-secondary section:last-child{grid-column:auto}.ub-footer-bottom{align-items:flex-start;flex-direction:column;gap:10px;padding:20px 64px 20px 0}.ub-footer-bottom>div{justify-content:flex-start;gap:4px 20px;margin-left:0}.ub-footer-bottom p{line-height:1.9}.ub-header #ub-navigation{padding:12px 20px 30px}.ub-mega-groups{display:block}.ub-mega-groups>div+div{margin-top:20px}.ub-header .ub-menu-link{font-size:14px;padding:12px 0}.ub-mega-groups h3{margin-bottom:5px;padding-bottom:10px}.ub-header .ub-nav-trigger{font-size:16px}.ub-nav-item:nth-child(4) .ub-mega-groups>div,.ub-nav-item:nth-child(5) .ub-mega-groups>div{display:block}.ub-career-links{grid-template-columns:1fr}.ub-career-links a{font-size:14px}.ub-nav-aux{gap:18px}.ub-nav-aux>.ub-button{font-size:13px}.ub-nav-aux summary{font-size:16px}.ub-button{font-size:14px;padding:14px 18px}.ub-text-link{font-size:14px}}
@media(max-width:350px){.ub-header .ub-brand img{width:150px}.ub-footer-grid{gap:25px 16px}.ub-footer-grid a{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.ub-header *{transition:none!important}}
.ub-header .ub-nav-item[data-current]>.ub-nav-trigger{color:var(--ub-mint)}@media(max-width:1180px){.ub-header .ub-nav-item[data-current]>.ub-nav-trigger{color:var(--ub-green)}}

/* Navigation refinement: preserve the complete information architecture. */
:root{--header:88px}
header.ub-header{background:#111918;border-bottom-color:#ffffff16}
.ub-header{font-family:Inter,'Noto Sans SC','Microsoft YaHei','PingFang SC',sans-serif}
.ub-header-inner{max-width:1792px;margin-inline:auto;padding-inline:56px;gap:32px}
.ub-header .ub-brand img{width:176px}
.ub-header #ub-navigation{gap:24px}
.ub-header .ub-nav-trigger{font-size:14px;font-weight:500;gap:9px;padding:22px 0;transition:color .18s ease}
/* Current-page color is independent of hover and panel expansion. */
.ub-header .ub-nav-trigger>span{font-size:0;width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);margin-top:-3px;opacity:.65}
.ub-header .ub-nav-trigger[aria-expanded=true]>span{transform:rotate(225deg);margin-top:3px}
.ub-nav-aux{gap:22px}
.ub-career>summary{font-size:14px;font-weight:500}
.ub-language{position:relative;margin:0;padding:0 0 0 20px;border:0;border-left:1px solid #ffffff26;white-space:nowrap;color:#dce5df}
.ub-language>summary{display:flex;align-items:center;gap:8px;min-height:44px;padding:8px 0;list-style:none;font-size:13px;font-weight:500;line-height:1.5;color:inherit;cursor:pointer}
.ub-language>summary::-webkit-details-marker{display:none}.ub-language>summary:hover,.ub-language[open]>summary{color:var(--ub-mint)}.ub-language-globe{display:block;flex-shrink:0}.ub-language-chevron{width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);margin:0 2px 3px;opacity:.7}.ub-language[open] .ub-language-chevron{transform:rotate(225deg);margin-top:4px;margin-bottom:0}
.ub-language-panel{position:absolute;right:0;top:calc(100% + 10px);width:280px;max-width:calc(100vw - 40px);max-height:calc(100dvh - var(--header) - 24px);overflow:auto;padding:14px;background:var(--ub-paper);color:var(--ub-ink);border:1px solid #dce3da;border-radius:5px;box-shadow:0 18px 45px #0003;white-space:normal;z-index:5}
.ub-language-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 4px 9px;padding:0 0 12px;border-bottom:1px solid #dde4da;font-size:12px;font-weight:600;line-height:1.5}.ub-language-heading>span{font-size:10px;font-weight:400;color:#7e8c80;letter-spacing:.06em}
.ub-language-options{list-style:none;margin:0;padding:0;display:grid;gap:3px}.ub-language-options>li{margin:0;padding:0;list-style:none}.ub-language-option{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:10px 12px;border-radius:4px;font-size:13px;line-height:1.5}.ub-language-name{display:grid;gap:2px;min-width:0;overflow-wrap:anywhere}.ub-language-name>small{font-size:10px;color:#7a867d}.ub-language-state{flex-shrink:0;font-size:11px;color:#88938b}.ub-language-option.is-current{background:#e5efe7;color:#075f4f}.ub-language-option.is-current .ub-language-state{color:#087565;font-size:15px}.ub-header a.ub-language-option:hover{background:#edf3ea;color:#075f4f}.ub-language-option.is-unavailable{color:#7d887f}.ub-language-option.is-unavailable .ub-language-state{font-size:10px;color:#959e96}.ub-language-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.ub-header .ub-small{min-height:48px;padding:13px 20px;gap:24px;font-size:14px;border-radius:3px}
.ub-mega{padding-top:42px;padding-bottom:42px;box-shadow:0 24px 40px #0002}
.ub-mega-intro h2{font-size:25px;line-height:1.55}
@media(min-width:1181px) and (max-width:1360px){
 .ub-header-inner{padding-inline:32px;gap:24px}
 .ub-header #ub-navigation{gap:18px}
 .ub-nav-aux{gap:16px}
 .ub-header .ub-brand img{width:166px}
 .ub-header .ub-nav-trigger,.ub-career>summary{font-size:13px}
 .ub-header .ub-small{font-size:13px;padding-inline:17px;gap:18px}
 .ub-language{padding-left:12px}.ub-language-label{display:none}.ub-language>summary{gap:7px}
}
@media(max-width:1180px){
 :root{--header:76px}
 .ub-header-inner{padding-inline:40px}
 .ub-header .ub-nav-trigger{font-size:18px;padding:22px 0}
 
 .ub-header .ub-mobile-toggle{border-color:#ffffff30;border-radius:50%;width:44px;height:44px}
 .ub-mega{padding:8px 0 24px;box-shadow:none}
 .ub-career>summary{font-size:17px}
 .ub-language{width:100%;padding:0;border:0;border-bottom:1px solid #d9ded8;color:var(--ub-ink)}.ub-language>summary{font-size:15px;min-height:50px;padding:8px 0 16px}.ub-language-label{display:inline}.ub-language-chevron{margin-left:auto}.ub-language>summary:hover,.ub-language[open]>summary{color:var(--ub-green)}.ub-language-panel{position:static;width:100%;max-width:none;max-height:none;margin:0 0 18px;padding:12px;background:#f5f8f2;box-shadow:none}
}
@media(max-width:600px){
 :root{--header:72px}
 .ub-header-inner{padding-inline:20px;gap:20px}
 .ub-header .ub-brand img{width:154px}
 .ub-header .ub-nav-trigger{font-size:16px;padding:20px 0}
 .ub-header .ub-small{font-size:13px;gap:18px}
}