.skip-link {
position: fixed;
top: -80px;
left: 16px;
z-index: 1000;
padding: 10px 14px;
border-radius: 6px;
background: #0f172a;
color: #ffffff !important;
font-size: 13px;
font-weight: 800;
text-decoration: none !important;
box-shadow: 0 4px 14px rgba(15, 23, 42, 0.22);
}
.skip-link:focus { top: 12px; }
#main-content { scroll-margin-top: 20px; }
.intl-article-site-header .site-header-inner { align-items: center; }
.intl-article-site-header .site-logo { gap: 14px; align-items: baseline; }
.intl-article-site-header .site-logo-text { font-size: 23px; font-weight: 800; letter-spacing: -0.04em; }
.site-logo-description { color: var(--reading-muted, #526176); font-size: 12px; font-weight: 400; letter-spacing: 0; }
.site-header-tools { display: flex; align-items: center; justify-content: flex-end; gap: 10px; min-width: 0; }
.site-about-link { display: inline-flex; align-items: center; min-height: 38px; padding: 0 10px; border-radius: 6px; color: var(--reading-muted, #475569); font-size: 13px; font-weight: 700; text-decoration: none !important; }
.site-about-link:hover, .site-about-link:focus-visible { background: var(--reading-soft, #f1f5f9); color: var(--reading-link, #0f4c5c); }
.site-region-switcher { position: relative; color: var(--reading-text, #334155); font-size: 13px; }
.site-region-switcher summary { display: inline-flex; align-items: center; gap: 7px; min-height: 38px; padding: 0 11px; border: 1px solid var(--reading-border, #d7dee7); border-radius: 7px; background: var(--reading-surface, #ffffff); font-weight: 750; cursor: pointer; list-style: none; user-select: none; }
.site-region-switcher summary::-webkit-details-marker { display: none; }
.site-region-switcher summary::after { content: "▾"; color: var(--reading-muted, #94a3b8); font-size: 10px; }
.site-region-switcher[open] summary { border-color: var(--reading-border, #94a3b8); box-shadow: 0 0 0 3px rgba(14, 116, 144, 0.08); }
.site-region-menu { position: absolute; top: calc(100% + 8px); right: 0; z-index: 80; width: 210px; padding: 7px; border: 1px solid var(--reading-border, #dbe2ea); border-radius: 9px; background: var(--reading-surface, #ffffff); box-shadow: 0 12px 28px rgba(15, 23, 42, 0.14); }
.site-region-menu-label { margin: 3px 7px 6px; color: var(--reading-muted, #64748b); font-size: 10.5px; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; }
.site-region-menu a, .site-region-menu .site-region-current { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 36px; padding: 7px 9px; border-radius: 6px; color: var(--reading-text, #334155); font-size: 13px; font-weight: 650; text-decoration: none !important; }
.site-region-menu a:hover, .site-region-menu a:focus-visible { background: var(--reading-soft, #f1f5f9); color: var(--reading-link, #0f4c5c); }
.site-region-menu .site-region-current { background: var(--reading-note-bg, #eef7f8); color: var(--reading-link, #0f4c5c); font-weight: 800; }
.site-region-menu .site-region-current::after { content: "✓"; color: #0f766e; }
.intl-global-nav { background: var(--reading-surface, #fff); border-bottom: 1px solid var(--reading-border, #cbd5e1); box-shadow: none; }
.intl-global-nav .global-nav-inner { justify-content: flex-start; flex-wrap: wrap; overflow: visible; gap: 0 20px; padding-inline: 16px; }
.intl-global-nav .nav-item { color: var(--reading-muted, #526176); padding: 10px 4px; min-height: 48px; border: 0; border-bottom: 2px solid transparent; align-items: flex-start; }
.intl-global-nav .nav-item:hover, .intl-global-nav .nav-item.active { background: transparent; color: var(--reading-link, #0b57d0); border-bottom-color: var(--reading-selected, #0b57d0); }
.intl-global-nav .nav-sub { color: #e3f3f4; opacity: 1; }
.intl-article-breadcrumbs .intl-breadcrumb-current { overflow-wrap: anywhere; }
.intl-layout-container { gap: 36px; }
.intl-article-breadcrumbs .intl-breadcrumb-category { color: var(--reading-link, #0f4c5c); font-weight: 700; }
.intl-article-sidebar { width: 280px; gap: 26px; padding-top: 24px; }
.intl-article-sidebar .sidebar-widget { border: 0; border-top: 1px solid var(--reading-border, #dbe2ea); border-radius: 0; box-shadow: none; background: transparent; overflow: visible; }
.intl-article-sidebar .sidebar-widget-title { margin: 0; padding: 14px 0 10px; border: 0; background: transparent; color: var(--reading-text, #18212f); font-size: 14px; font-weight: 800; line-height: 1.4; box-shadow: none; }
.intl-article-sidebar .sidebar-widget-body { padding: 0; }
.intl-article-sidebar .sidebar-widget--next { border-top: 1px solid var(--reading-border, #dbe2ea); }
.sidebar-widget--next .sidebar-widget-title { padding-bottom: 8px; }
.sidebar-next-title { margin: 0 0 7px; color: var(--reading-text, #0f172a); font-size: 16px; font-weight: 850; line-height: 1.45; }
.sidebar-next-copy { margin: 0; color: var(--reading-muted, #556274); font-size: 12.5px; line-height: 1.65; }
.intl-article-sidebar .sidebar-next-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%; min-height: 44px; margin-top: 12px; padding: 9px 11px; border: 1px solid var(--reading-action, #166534); border-radius: 4px; background: transparent; color: var(--reading-action, #166534) !important; font-size: 13px; font-weight: 700; line-height: 1.5; text-decoration: none !important; }
.sidebar-next-link::after { content: "→"; flex: 0 0 auto; }
.intl-article-sidebar .sidebar-next-link:hover, .intl-article-sidebar .sidebar-next-link:focus-visible { background: var(--reading-soft, #f1f5f9); }
.sidebar-widget-note { margin: 0 0 10px; color: var(--reading-muted, #526176); font-size: 12px; line-height: 1.5; }
.sidebar-popular-list, .sidebar-related-list { list-style: none; margin: 0; padding: 0; }
.sidebar-popular-item { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 9px; align-items: start; padding: 10px 0; border-bottom: 1px solid var(--reading-border, #cbd5e1); }
.sidebar-popular-item:first-child { padding-top: 2px; }
.sidebar-popular-item:last-child { padding-bottom: 2px; border-bottom: 0; }
.sidebar-popular-rank { color: var(--reading-muted, #526176); font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1.5; }
.sidebar-popular-link, .sidebar-popular-current-title { color: var(--reading-text, #233044); font-size: 13px; font-weight: 600; line-height: 1.65; text-decoration: none !important; overflow-wrap: anywhere; }
.sidebar-popular-link:hover, .sidebar-popular-link:focus-visible { color: var(--reading-link, #0369a1); text-decoration: underline !important; text-underline-offset: 0.16em; }
.sidebar-popular-item.is-current { background: transparent; }
.sidebar-popular-reading { display: block; margin-top: 4px; color: var(--reading-muted, #526176); font-size: 11px; font-weight: 400; }
.sidebar-related-item { position: relative; padding: 9px 0 9px 16px; border-bottom: 1px solid var(--reading-border, #cbd5e1); }
.sidebar-related-item::before { content: "↳"; position: absolute; left: 0; top: 9px; color: var(--reading-muted, #94a3b8); font-size: 12px; }
.sidebar-related-item:first-child { padding-top: 2px; }
.sidebar-related-item:first-child::before { top: 2px; }
.sidebar-related-item:last-child { padding-bottom: 2px; border-bottom: 0; }
.sidebar-related-link { display: inline-block; padding-block: 4px; color: var(--reading-link, #0b57d0); font-size: 14px; font-weight: 600; line-height: 1.65; text-decoration: none !important; overflow-wrap: anywhere; }
.sidebar-related-link:hover, .sidebar-related-link:focus-visible { text-decoration: underline !important; text-underline-offset: 0.16em; }
.sidebar-author-card { display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 11px; align-items: center; }
.sidebar-author-avatar { width: 46px; height: 46px; border: 1px solid var(--reading-border, #cbd5e1); border-radius: 50%; background: var(--reading-soft, #f1f5f9); color: var(--reading-text, #233044); display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; }
.sidebar-author-name { margin: 0; color: var(--reading-text, #0f172a); font-size: 14px; font-weight: 700; line-height: 1.35; }
.sidebar-author-role { margin: 2px 0 0; color: var(--reading-muted, #526176); font-size: 12px; line-height: 1.5; }
.sidebar-author-trust { grid-column: 1 / -1; margin: 1px 0 0; padding: 0; color: var(--reading-muted, #526176); font-size: 12px; line-height: 1.65; }
.sidebar-author-links { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2px; }
.sidebar-author-links a { display: inline-flex; align-items: center; min-height: 32px; padding: 6px 9px; border: 1px solid var(--reading-border, #dbe2ea); border-radius: 6px; color: var(--reading-link, #0f5f83); font-size: 11px; font-weight: 750; text-decoration: none !important; }
.sidebar-author-links a:hover, .sidebar-author-links a:focus-visible { background: var(--reading-soft, #f8fafc); border-color: #aebac7; }
.sidebar-browse-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
.sidebar-browse-link { display: flex; align-items: center; min-height: 44px; padding: 7px 0; border: 0; border-radius: 0; background: transparent; color: var(--reading-link, #0b57d0); font-size: 13px; font-weight: 600; line-height: 1.5; text-decoration: none !important; }
.sidebar-browse-link:hover, .sidebar-browse-link:focus-visible, .sidebar-browse-link.is-current { border-color: #9ab7bf; background: var(--reading-note-bg, #eff7f8); color: var(--reading-link, #0f4c5c); }
.author-box-links { display: flex !important; flex-wrap: wrap; gap: 8px 12px; margin-top: 10px !important; }
.author-box-links a { color: var(--reading-link, #0f5f83); font-weight: 700; text-decoration: none; }
.author-box-links a:hover, .author-box-links a:focus-visible { text-decoration: underline; text-underline-offset: 0.16em; }
@media (max-width: 860px) {
.intl-layout-container { gap: 24px; }
.intl-article-sidebar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; gap: 12px; }
.intl-article-sidebar .sidebar-widget { margin: 0; }
}
@media (max-width: 760px) {
html[lang] body .intl-article-site-header .guide-brand-short { display: block; }
}
@media (max-width: 700px) {
.site-logo-description { display: none; }
.intl-article-site-header .site-header-inner { justify-content: space-between; }
.site-header-tools { width: 100%; justify-content: space-between; }
.intl-global-nav .global-nav-inner { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 8px; }
.intl-global-nav .nav-item { white-space: normal; padding: 8px 2px; line-height: 1.45; font-size: 12px; }
.intl-global-nav .nav-sub { display: none; }
.site-region-menu { right: 50%; transform: translateX(50%); }
.intl-article-sidebar { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
.site-header-tools { display: flex; flex-wrap: wrap; width: 100%; gap: 8px; align-items: center; }
.site-about-link, .site-region-switcher, .site-region-switcher summary { min-width: 0; }
.site-about-link, .site-region-switcher summary { justify-content: center; padding-left: 8px; padding-right: 8px; }
.site-about-link, .site-region-switcher summary > span:last-of-type { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.site-region-menu { width: min(280px, calc(100vw - 28px)); }
}
@media (max-width: 340px) {
.site-header-tools { grid-template-columns: 1fr; }
}
.intl-article-site-header .intl-search-trigger { display:inline-flex; align-items:center; justify-content:center; flex:0 0 44px; width:44px; min-width:44px; height:44px; padding:0; margin:0; border:0; background:transparent; color:var(--reading-text); cursor:pointer; }
.intl-article-site-header .intl-search-trigger:focus-visible { outline:3px solid var(--reading-link); outline-offset:2px; }
.intl-article-site-header .guide-brand-short { white-space:nowrap; }
.intl-mobile-menu { display:none; }
@media (max-width:760px) {
html[lang] body .site-header.intl-article-site-header { position:sticky; top:0; z-index:100; padding:0 12px; background:var(--reading-surface,#fff); }
html[lang] body .intl-layout-container :is(h1,h2,h3,section,details)[id],html[lang] body #main-content { scroll-margin-top:80px; }
.intl-layout-container:has(main .author-box) .sidebar-widget--author { display:none; }
html[lang] body .intl-article-site-header .site-header-inner { min-height:60px; flex-direction:row; flex-wrap:nowrap; gap:8px; }
html[lang] body .intl-article-site-header .site-header-tools { width:auto; flex-wrap:nowrap; gap:6px; }
html[lang] body .intl-article-site-header .site-about-link { display:none; }
html[lang] body .intl-article-site-header .guide-brand-full { display:none; }
html[lang] body .intl-article-site-header .guide-brand-short { display:block; font-size:16px; }
html[lang] body .intl-article-site-header .guide-brand-short > span { display:none; }
html[lang] body .intl-article-site-header .site-region-switcher summary { min-height:44px; padding:0 8px; gap:4px; }
html[lang] body .intl-article-site-header .site-region-switcher summary > span { display:none; }
html[lang] body .intl-article-site-header .site-region-switcher summary::before { content:attr(data-region-code); }
html[lang] body .intl-article-site-header .site-region-menu { right:0; transform:none; width:min(280px,calc(100vw - 24px)); }
html[lang] body .intl-article-site-header .reading-theme-toggle { flex-basis:40px; width:40px; height:44px; border-radius:8px; }
html[lang] body .intl-mobile-menu { display:block; position:relative; }
html[lang] body .intl-mobile-menu > summary { display:flex; align-items:center; min-height:44px; padding:0 8px; border:1px solid var(--reading-border); border-radius:8px; color:var(--reading-text); cursor:pointer; font-size:13px; font-weight:700; list-style:none; }
.intl-mobile-menu > summary::-webkit-details-marker { display:none; }
html[lang] body .intl-mobile-menu[open] > summary { background:var(--reading-soft); }
html[lang] body .intl-mobile-menu nav { position:absolute; right:0; top:calc(100% + 8px); z-index:100; width:min(280px,calc(100vw - 24px)); padding:8px; border:1px solid var(--reading-border); border-radius:10px; background:var(--reading-surface); box-shadow:0 8px 24px #0002; }
html[lang] body .intl-mobile-menu nav,html[lang] body .intl-article-site-header .site-region-menu { max-height:calc(100dvh - 84px); overflow-y:auto; }
html[lang] body .intl-mobile-menu nav a { display:flex; align-items:center; min-height:44px; padding:8px 12px; color:var(--reading-link); font-size:15px; }
html[lang] body .intl-global-nav { display:none; }
html[lang] body .intl-article-breadcrumbs { width:calc(100% - 24px); margin:10px auto; }
html[lang] body .intl-article-breadcrumbs .intl-breadcrumb-current { display:none; }
html[lang] body .intl-article-breadcrumbs nav > span:nth-last-child(2) { display:none; }
html[lang] body .intl-layout-container { width:calc(100% - 24px); margin:12px auto; gap:20px; }
html[lang] body .intl-layout-container .main-card { padding:18px 12px; border-radius:10px; }
html[lang] body .intl-layout-container .hero { padding:0; margin-bottom:16px; }
html[lang] body .intl-layout-container .hero h1 { font-size:26px; line-height:1.5; margin:8px 0 12px; }
html[lang] body .intl-layout-container .content { padding:0; }
html[lang] body .intl-layout-container .content > :is(.answer-box,.editorial-answer) { padding:14px 12px; }
html[lang] body .intl-layout-container .content > :is(.answer-box,.editorial-answer)::before { display:none; }
}
@media(max-width:760px) {
html[lang][data-reading-theme] body .intl-layout-container .content > section.section.answer-box { padding:14px 10px; }
html[lang][data-reading-theme] body .intl-layout-container .hero .hero-badge { margin:0 0 4px; padding:0; background:none; border:0; color:var(--reading-muted); font-size:12px; }
html[lang][data-reading-theme] body .intl-layout-container .article-region-scope { margin:6px 0; font-size:12px; line-height:1.6; }
html[lang][data-reading-theme] body .intl-layout-container .reading-tools { display:flex; flex-wrap:wrap; align-items:center; gap:0 8px; margin:0 0 8px; }
html[lang][data-reading-theme] body .intl-layout-container .reading-tools > :is(a,button) { font-size:12px; min-height:36px; padding:4px 0; }
html[lang][data-reading-theme] body .intl-layout-container .reading-tools > [role="status"]:empty { display:none; }
}
@media(max-width:760px) {
html[lang] body .intl-article-site-header .site-header-tools { position:relative; }
html[lang] body .intl-article-site-header :is(.intl-mobile-menu,.site-region-switcher) { position:static; }
html[lang] body .intl-article-site-header .site-header-tools .intl-mobile-menu nav a { display:flex; }
html[lang] body .intl-article-site-header .site-header-tools .site-region-menu a { display:flex; }
}
@media(max-width:760px) {
html[lang][data-reading-theme] body .intl-layout-container .content > section.section.answer-box { padding:14px 10px !important; }
}
.intl-article-toc > summary { box-sizing:border-box; min-height:44px; padding:10px 0; line-height:24px; cursor:pointer; color:var(--reading-link); }
body .intl-layout-container .intl-article-toc > summary > h2 { display:inline !important; margin:0 !important; padding:0 !important; border:0 !important; background:none !important; box-shadow:none !important; font-size:1rem !important; }
@media(max-width:760px) {
.intl-layout-container .reading-tools [data-reading-library-link] { display:none; }
}
body .intl-layout-container details.intl-article-toc { padding:0 !important; border:0 !important; background:transparent !important; }
html[lang] body .intl-layout-container .article-header-meta { display:grid; grid-template-columns:minmax(0,1fr) auto; gap:4px 12px; align-items:start; margin:4px 0 10px; }
html[lang] body .intl-layout-container .article-header-meta .reading-metadata { min-width:0; margin:0 !important; }
html[lang] body .intl-layout-container .article-header-meta .reading-metadata > summary { box-sizing:border-box; min-height:44px; padding:11px 0; line-height:22px; font-size:12px; }
html[lang] body .intl-layout-container .article-header-meta .reading-metadata > summary > span { display:none; }
html[lang] body .intl-layout-container .article-header-meta .reading-tools { margin:0 !important; max-width:none; justify-content:flex-end; }
html[lang] body .intl-layout-container .article-header-meta .reading-tools button { min-height:44px; }
@media(max-width:760px) {
html[lang] body .intl-layout-container .article-header-meta .reading-tools { max-width:112px; }
html[lang] body .intl-layout-container .article-header-meta .reading-tools > [data-reading-library-link] { display:none; }
html[lang] body .intl-layout-container .main-card.intl-article-hub { padding:8px 0; border:0; background:transparent; box-shadow:none; }
html[lang] body .intl-layout-container .hero h1 { text-wrap:balance; }
html:lang(zh-TW) body .intl-layout-container .hero h1 { word-break:normal; overflow-wrap:normal; }
}