.zh-header__inner{grid-template-columns:150px 1fr auto;gap:18px}.zh-brand img{width:150px;height:auto}.zh-nav>ul{gap:18px}.zh-nav a[aria-current]{color:var(--zh-red)}.zh-section{padding:48px 0}.zh-section h2{font:500 clamp(30px,3vw,46px)/1.15 Georgia,serif;margin:0 0 24px}.zh-card{min-height:180px}.zh-card h3{margin:0 0 16px;font-size:21px}.zh-page-hero{padding:38px 0}.zh-page-hero h1{font-size:clamp(38px,5vw,68px);max-width:1080px}.zh-page-hero p{font-size:20px;max-width:800px}.zh-breadcrumb{padding-top:22px;font-size:14px}.zh-reading{max-width:800px;font-size:18px;line-height:1.7}.zh-reading h2{font-size:28px;margin:32px 0 12px}.zh-reading-layout{display:grid;grid-template-columns:220px minmax(0,800px);gap:48px}.zh-toc{align-self:start;position:sticky;top:110px;font-size:14px}.zh-toc ol{padding-left:20px}.zh-toc li{margin:10px 0}.zh-reading img{max-width:100%;height:auto}.zh-table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{padding:12px;border:1px solid #d5d8d4;text-align:left}.zh-process{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding-left:24px}.zh-contact-layout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,1fr);gap:40px}.zh-contact-aside{align-self:start;background:#ebe7db;color:#18343e;padding:28px;border-radius:20px}.zh-contact-aside h2{color:inherit}.zh-footer a{overflow-wrap:anywhere}.zh-tool{padding:24px;border:1px solid #ccc;border-radius:16px}.zh-tool label,form[data-tool] label{display:block;margin:14px 0}input,select,textarea{font:inherit;max-width:100%;padding:10px;border:1px solid #89958c;border-radius:5px}input[type=number]{display:block;width:100%}button{cursor:pointer}form[data-tool] button{padding:12px 20px;background:#173f42;color:white;border:0;border-radius:8px}form[data-tool] output{display:block;white-space:pre-line;padding:18px;background:#e6eee8;margin-top:20px}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #a64420;outline-offset:3px}.zh-reading figcaption{font-size:14px;color:#526365}.zh-search{margin:22px 0}.zh-search input{width:min(100%,720px)}
@media(max-width:1200px){.zh-header__inner{grid-template-columns:150px 1fr auto}.zh-lang{justify-self:end}.zh-nav{display:none}.zh-menu-button{display:inline-flex}.zh-nav.is-open{display:block;position:absolute;left:14px;right:14px;top:78px;background:#fff;padding:18px;border:1px solid #ccc;border-radius:12px;max-height:75vh;overflow:auto}.zh-nav.is-open>ul{display:grid;justify-content:stretch;gap:0}.zh-nav.is-open a{display:block;padding:10px}.zh-reading-layout{grid-template-columns:180px minmax(0,1fr);gap:28px}}
@media(max-width:760px){.zh-hero-media{min-height:300px;margin:0}.zh-section{padding:32px 0}.zh-header__inner{grid-template-columns:1fr auto auto}.zh-reading-layout{display:block}.zh-toc{position:static;margin-bottom:26px}.zh-contact-layout{grid-template-columns:1fr}.zh-process{grid-template-columns:1fr;gap:15px}.zh-footer__grid{grid-template-columns:1fr}.zh-tool{padding:14px}.zh-page-hero{padding:26px 0}.zh-hero h1{font-size:46px}}
.zh-hero h1{font-size:clamp(44px,5vw,72px)}.cms4-contact-form{background:#fff;padding:28px;border:1px solid #d3d7cf;border-radius:18px}.cms4-field{display:flex;flex-direction:column;gap:8px;margin:16px 0}.cms4-field textarea{min-height:150px;width:100%}.cms4-field--checkbox{flex-direction:row;align-items:flex-start;gap:10px}.cms4-field--checkbox input{flex:0 0 auto;margin-top:5px}.cms4-field--checkbox span{display:block;line-height:1.5}.cms4-contact-form button{padding:12px 22px;background:#183b42;border:0;border-radius:8px;color:#fff;font:inherit}.cms4-contact-form button:disabled{opacity:.65}.form-status{overflow-wrap:anywhere}
[hidden]{display:none!important}.zh-contact-layout{padding-bottom:48px}.zh-meta{font-size:14px;color:#526365;margin-top:28px}
/* September correction: compact rhythm and explicit navigation hierarchy. */
.zh-brand img{mix-blend-mode:multiply}.zh-hero{padding:40px 0}.zh-section{padding:30px 0}.zh-section h2{margin-bottom:18px}.zh-page-hero{padding:24px 0 28px;margin-bottom:24px}.zh-page-hero h1{margin:12px 0 18px;font-size:clamp(34px,4.2vw,58px)}.zh-page-hero p{margin-bottom:0}.zh-card{min-height:0;padding:20px}.zh-card h3{font-size:20px;margin-bottom:10px}.zh-card p{margin:0}.zh-cards+.zh-cards{margin-top:16px}.zh-solution-group,.zh-scope{margin:26px 0}.zh-search{margin:0 0 22px}.zh-search label{display:block;margin-bottom:9px}.zh-search input{display:block;width:100%}.cms4-field{display:block;margin:13px 0}.cms4-field>input,.cms4-field>select,.cms4-field>textarea{display:block;width:100%;margin-top:7px}.cms4-field--checkbox{display:flex;flex-direction:row}.cms4-field--checkbox>input{width:auto}.zh-hero-media__note{background:rgba(247,245,239,.76);color:#132f37;padding:12px 16px;backdrop-filter:blur(2px)}.zh-network-form{max-width:820px;margin-top:28px;scroll-margin-top:110px}.zh-breadcrumb{line-height:1.6}.zh-nav>ul{gap:14px}.zh-nav>ul>li{position:relative;display:flex;align-items:center;gap:2px}.zh-nav>ul>li>a{padding:12px 2px}.zh-nav a.zh-active{color:var(--zh-red)}.zh-sub-toggle{border:0;background:transparent;color:inherit;padding:10px 5px;font:inherit}.zh-nav .zh-submenu{display:none;position:absolute;top:100%;left:0;width:310px;max-height:65vh;overflow:auto;background:#f7f5ef;border:1px solid #d2d8d6;border-radius:10px;padding:8px;box-shadow:0 12px 26px #132f3720;z-index:20;list-style:none}.zh-nav .zh-submenu a{display:block;padding:9px 10px;font-size:14px;white-space:normal;line-height:1.4}.zh-nav .zh-submenu a:hover{background:#ebe7db}.zh-nav li.is-expanded>.zh-submenu{display:block}.zh-nav li.is-expanded>.zh-sub-toggle{transform:rotate(180deg)}
@media(min-width:1201px) and (hover:hover){.zh-nav li:hover>.zh-submenu{display:block}}
@media(max-width:1200px){.zh-nav>ul>li{display:grid;grid-template-columns:1fr 44px}.zh-nav .zh-submenu{position:static;width:auto;max-height:none;grid-column:1/-1;box-shadow:none;margin:0 0 8px 12px}.zh-sub-toggle{min-height:44px}.zh-nav>ul>li>a{padding:10px}.zh-nav>ul{gap:0}}
@media(max-width:760px){.zh-hero{padding:26px 0}.zh-section{padding:24px 0}.zh-card{padding:18px}.zh-page-hero{padding:20px 0;margin-bottom:20px}.cms4-contact-form{padding:20px}.zh-hero-media__note{font-size:12px;left:12px;right:12px;bottom:12px}}
@media(max-width:1200px){.zh-nav.is-open ul.zh-submenu{display:none;min-width:0}.zh-nav.is-open li.is-expanded>ul.zh-submenu{display:block}}
.cms4-field--checkbox span[aria-hidden="true"]{display:inline}