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var(--line);border-radius:4px;padding:32px}@media (max-width:640px){.product-detail.long-detail .breadcrumb{margin-bottom:20px}.product-manual-nav{margin-bottom:32px}.manual-document-toolbar{flex-direction:column;align-items:stretch;gap:16px}.manual-document-toolbar a{flex:1;padding-inline:14px}.manual-empty{padding:24px}}:root{--orange:#ff7919;--ink:#000;--muted:#666;--soft:#f4f4f4;--line:#e8e8e8;--page:#fff;--header:#fffffff5;--footer:#141414;--content-card-bg-dark:#242424;--global-content-max:1160px;--global-content-gutter:14px;--listing-tabs-active:var(--ink);--listing-tabs-inactive:var(--muted);--scrollbar-track:#f2f2f2;--scrollbar-thumb:#b8b8b8;--scrollbar-thumb-hover:#8f8f8f}html.theme-light{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}html.theme-dark{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box;scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) 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14px;position:fixed;top:10px;left:10px;transform:translateY(-160%)}.skip-link:focus{transform:none}.theme-dark{--ink:#f2f2f2;--muted:#aaa;--soft:#242424;--line:#383838;--page:#181818;--header:#141414f5;--listing-tabs-active:var(--ink);--listing-tabs-inactive:var(--muted);--scrollbar-track:#090909;--scrollbar-thumb:#454545;--scrollbar-thumb-hover:#696969}html[data-theme-initializing] *,html[data-theme-initializing] :before,html[data-theme-initializing] :after{transition:none!important}main{background:var(--page);color:var(--ink);min-height:100vh;transition:background .3s,color .3s}.site-header{--header-accent:#f58220;--header-surface:#fff;--header-divider:#eee;z-index:50;height:86px;padding:0 var(--global-content-gutter);background:var(--header-surface);justify-content:space-between;align-items:center;font-family:Arial,Microsoft YaHei,sans-serif;transition:background .3s;display:flex;position:sticky;top:0;box-shadow:0 2px 8px #0000000d}.theme-dark .site-header{--header-surface:#090909;--header-divider:#383838}.brand{height:86px;color:inherit;flex:none;align-items:center;gap:18px;display:flex}.brand-logo-link{flex:none;display:flex}.brand-mark{aspect-ratio:124/32;object-fit:contain;flex:none;width:clamp(96px,3.4vw + 83px,124px);height:auto;display:block}.brand-copy{color:var(--muted);text-align:left;white-space:nowrap;border-left:1px solid #aaa;padding-left:18px;font-size:12px;line-height:1.45}.site-header nav{align-items:center;gap:28px;min-width:0;height:86px;display:flex}.site-header nav>a{color:var(--muted);white-space:nowrap;font-size:13px;line-height:86px;transition:color .25s;position:relative}.site-header nav>a.active{color:var(--ink)}.site-header nav>a:focus-visible{color:var(--ink);outline:2px solid 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