.dao-header{position:sticky;top:0;z-index:1000;height:76px;background:rgba(5,5,5,.86);border-bottom:1px solid var(--dao-line);backdrop-filter:blur(14px);transition:.22s ease}.admin-bar .dao-header{top:32px}.dao-header.is-scrolled{height:64px;background:rgba(5,5,5,.96)}.dao-header__inner{height:100%;display:flex;align-items:center;gap:38px}.dao-brand{display:flex;align-items:center;flex:0 0 auto}.dao-brand img{display:block;width:176px;max-height:50px;object-fit:contain}.dao-nav{display:flex;align-items:center;justify-content:center;gap:30px;margin-left:auto}.dao-nav a{font-size:12px;font-weight:700;letter-spacing:.08em;color:#d8d3cf;position:relative}.dao-nav a:hover{color:#fff}.dao-header__actions{display:flex;align-items:center;gap:12px}.dao-header__book{min-height:42px;padding-inline:20px}.dao-language{position:relative}.dao-language__button{height:42px;min-width:64px;padding:0 12px;border:1px solid rgba(255,255,255,.17);background:#0b0b0c;color:#fff;display:flex;align-items:center;gap:8px;justify-content:center;cursor:pointer}.dao-language__menu{position:absolute;right:0;top:50px;width:180px;padding:8px;background:#0a0a0b;border:1px solid rgba(255,255,255,.12);box-shadow:0 20px 60px rgba(0,0,0,.55);display:none}.dao-language.is-open .dao-language__menu{display:grid}.dao-language__menu a{padding:9px 10px;font-size:12px;color:#cac5c1}.dao-language__menu a:hover{background:#151517;color:#fff}.dao-menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.15);color:#fff;width:42px;height:42px;font-size:19px}.dao-header.is-scrolled .dao-brand img{width:156px}
@media(max-width:960px){.dao-header{height:66px}.dao-header__inner{gap:12px}.dao-brand img{width:148px}.dao-nav{position:absolute;top:66px;left:0;right:0;margin:0;padding:14px 18px 22px;background:#080809;border-bottom:1px solid var(--dao-line);display:none;flex-direction:column;align-items:stretch;gap:0}.dao-header.is-menu-open .dao-nav{display:flex}.dao-nav a{padding:13px 2px;border-bottom:1px solid rgba(255,255,255,.07)}.dao-menu-toggle{display:block}.dao-header__book{display:none}.dao-header__actions{margin-left:auto}.dao-language__button{height:40px}.admin-bar .dao-header{top:46px}}

@media(max-width:960px){
  .dao-nav{top:100%}
  .dao-language__menu{max-height:min(70vh,520px);overflow-y:auto}
}
@media(max-width:520px){
  .dao-header,.dao-header.is-scrolled{height:62px}
  .dao-brand img,.dao-header.is-scrolled .dao-brand img{width:126px;max-height:40px}
  .dao-header__inner{gap:8px}
  .dao-header__actions{gap:7px}
  .dao-language__button{height:38px;min-width:52px;padding-inline:9px;font-size:11px}
  .dao-language__menu{width:min(210px,calc(100vw - 28px));top:45px}
  .dao-menu-toggle{width:38px;height:38px;font-size:17px}
  .dao-nav{padding:10px 14px 18px}
  .dao-nav a{font-size:12px;padding:13px 4px}
}


/* v2.0.3 mobile header polish */
@media(max-width:760px){
  .dao-header,.dao-header.is-scrolled{height:64px}
  .dao-header__inner{gap:8px}
  .dao-brand img,.dao-header.is-scrolled .dao-brand img{width:132px;max-height:42px}
  .dao-header__actions{gap:7px}
  .dao-language__button{height:40px;min-width:54px;padding-inline:9px}
  .dao-menu-toggle{width:40px;height:40px}
  .dao-nav{top:100%;padding:6px 16px 16px;max-height:calc(100vh - 64px);overflow:auto;background:rgba(7,7,8,.985)}
  .dao-nav a{padding:15px 4px;font-size:12px;letter-spacing:.04em}
}
@media(max-width:380px){
  .dao-brand img,.dao-header.is-scrolled .dao-brand img{width:116px}
  .dao-language__button{min-width:48px}
}

/* v2.1.0: keep six-item desktop navigation stable after Magazine is added. */
@media (min-width:961px) and (max-width:1180px){
  .dao-header__inner{gap:20px}
  .dao-brand img,.dao-header.is-scrolled .dao-brand img{width:150px}
  .dao-nav{gap:17px}
  .dao-nav a{font-size:11px;letter-spacing:.055em;white-space:nowrap}
  .dao-header__book{padding-inline:14px}
}