.bridge-header{position:sticky;top:0;z-index:200;min-height:70px;padding:10px clamp(16px,4vw,54px);display:flex;align-items:center;justify-content:space-between;gap:22px;background:rgba(5,13,29,.94);backdrop-filter:blur(18px);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}.bridge-back,.bridge-header nav a{color:rgba(255,255,255,.72);text-decoration:none;font:600 12px/1.2 system-ui,sans-serif}.bridge-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}.bridge-brand>span{width:36px}.bridge-brand strong{display:grid;font-family:Georgia,serif}.bridge-brand small{font:600 7px system-ui;text-transform:uppercase;letter-spacing:.18em;opacity:.58}.bridge-header nav{display:flex;gap:22px}.bridge-shell{padding-top:22px}@media(max-width:760px){.bridge-brand{order:-1;width:100%;justify-content:center}.bridge-header nav{display:none}.bridge-back{position:absolute;left:16px;top:29px}}