.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.97);transition:transform .25s ease;box-shadow:0 1px 0 rgba(45,37,27,.08),0 8px 24px rgba(45,37,27,.04);backdrop-filter:blur(10px)}.site-header.header-hidden{transform:translateY(-100%)}.header-container{max-width:1400px;margin:0 auto;min-height:92px;padding:10px 16px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px}.logo{text-decoration:none;color:inherit}.logo img{display:block;max-width:170px;height:auto}.subtitle{margin:4px 0 0;font-size:13px;color:#666}.header-title{text-align:center}.header-title h1{margin:0;font-size:clamp(20px,2.2vw,30px)}.translate-box{justify-self:end}.link-bar{max-width:1400px;margin:0 auto;padding:8px 12px;display:flex;gap:8px;overflow-x:auto;scrollbar-width:thin;background:#fff}.link-btn{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 14px;border:1px solid #ddd;border-radius:6px;background:#fff;color:#222;text-decoration:none;white-space:nowrap}.link-btn:hover,.link-btn:focus-visible{background:#f5f5f5}.home-btn{width:42px;padding:0}@media(max-width:700px){.header-container{grid-template-columns:1fr;text-align:center}.logo img{margin:0 auto}.translate-box{justify-self:center}.link-bar{display:flex}}