/* Shared case-study header: cream surface, chef mark and chapter pills. */
:root{--admin-nav-height:64px}
body{padding-top:var(--admin-nav-height)}
body>main>section[id]{scroll-margin-top:calc(var(--admin-nav-height) + 12px)}
.admin-case-nav{position:fixed;z-index:30;inset:0 0 auto;height:var(--admin-nav-height);background:#fff9f5;border-bottom:1px solid #eee4db;color:#132a3a;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif}
.admin-case-nav__inner{width:calc(100% - 2 * clamp(24px,3vw,60px));height:100%;margin-inline:auto;display:flex;align-items:center;gap:24px}
.admin-case-nav__brand{display:flex;align-items:center;gap:14px;flex:none;white-space:nowrap;color:#132a3a;text-decoration:none}
.admin-case-nav__mark{position:relative;display:block;width:48px;height:46px;overflow:hidden;flex:none}
.admin-case-nav__mark img{position:absolute;left:50%;top:50%;width:58px;max-width:none;height:auto;transform:translate(-50%,-50%)}
.admin-case-nav__brand strong{font-size:clamp(18px,1.05vw,22px);font-weight:800;line-height:1.25;letter-spacing:.025em}
.admin-case-nav__links{display:flex;align-items:center;gap:clamp(10px,.9vw,18px);margin-left:auto;min-width:0;overflow-x:auto;scrollbar-width:none;overscroll-behavior-x:contain}
.admin-case-nav__links::-webkit-scrollbar{display:none}
.admin-case-nav__links a{display:inline-flex;align-items:center;justify-content:center;flex:none;min-height:40px;min-width:80px;padding:8px 20px;border-radius:999px;color:#585a5e;font-size:clamp(14px,.83vw,16px);font-weight:500;line-height:1.25;text-decoration:none;white-space:nowrap;transition:background-color .16s ease,color .16s ease}
.admin-case-nav__links a:hover{color:#c74614;background:#fff2e9}
.admin-case-nav__links a.active{color:#c74614;background:#fff;font-weight:700;box-shadow:0 2px 8px #64300804}
.admin-case-nav a:focus-visible{outline:2px solid #c74614;outline-offset:-3px}
@media(max-width:1100px){
  .admin-case-nav__inner{width:93%;gap:15px}
  .admin-case-nav__brand{gap:10px}
  .admin-case-nav__brand strong{font-size:18px}
  .admin-case-nav__links{gap:4px}
  .admin-case-nav__links a{min-width:56px;min-height:39px;padding:8px 13px;font-size:14px}
}
@media(max-width:760px){
  :root{--admin-nav-height:84px}
  .admin-case-nav__inner{width:90%;flex-wrap:wrap;align-content:center;gap:3px}
  .admin-case-nav__brand{gap:9px}
  .admin-case-nav__brand strong{font-size:16px}
  .admin-case-nav__mark{width:36px;height:34px}
  .admin-case-nav__mark img{width:45px}
  .admin-case-nav__links{flex-basis:100%;margin-left:0;gap:3px;padding:2px 0}
  .admin-case-nav__links a{min-width:48px;min-height:30px;padding:6px 11px;font-size:12px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .admin-case-nav__links a{transition:none}
}