/* 共用頁內導覽：層級 35，位於主選單下方。 */
:root{--section-header:88px;--section-nav-height:62px}
.studio :is(.intel-topic-nav,.about-nav,.tr-nav,.service-rail){display:flex;align-items:center;justify-content:flex-start;gap:28px;flex-wrap:nowrap;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;position:sticky;top:var(--section-header);z-index:35;background:var(--paper);backdrop-filter:none;-webkit-backdrop-filter:none;border-block:1px solid var(--line);padding:0 4px;margin:0;max-width:100%;font-size:14px}
.studio :is(.intel-topic-nav,.about-nav,.tr-nav,.service-rail) a{display:inline-flex;align-items:center;flex-shrink:0;white-space:nowrap;min-height:60px;padding:16px 0;border:0;border-bottom:2px solid transparent;color:var(--muted);font-size:14px;font-weight:400;text-decoration:none;line-height:1.8}
.studio :is(.intel-topic-nav,.about-nav,.tr-nav,.service-rail) a[aria-current="location"]{color:var(--ink);border-bottom-color:var(--ink)}
.studio :is(.intel-topic-nav,.about-nav,.tr-nav,.service-rail) a:hover{color:var(--ink)}
.studio :is(.intel-topic-nav,.about-nav,.tr-nav,.service-rail) a:focus-visible{outline:2px solid var(--ink);outline-offset:-3px}
.studio .service-rail{position:fixed;left:0;right:0;padding-inline:max(var(--gutter),calc((100vw - 1256px)/2));max-width:none}
.studio .service-rail[hidden]{display:none}
.studio .section-destination{scroll-margin-top:calc(var(--section-header) + var(--section-nav-height) + 24px - var(--section-scroll-padding,112px))}
@media(max-width:760px){.studio :is(.intel-topic-nav,.about-nav,.tr-nav,.service-rail){gap:24px}.studio :is(.intel-topic-nav,.about-nav,.tr-nav,.service-rail) a{min-height:54px;font-size:13px;padding:14px 0}}