.unistudy-platform-header{display:flex!important;align-items:center!important;justify-content:space-between!important;gap:18px!important;min-height:70px!important;height:auto!important;margin:0!important;padding:14px 30px!important;box-sizing:border-box;background:rgba(255,255,255,.94)!important;border:0!important;border-bottom:1px solid #d3e1e3!important;box-shadow:0 2px 14px #17383f05!important;color:#17383f!important;flex-wrap:wrap;flex-shrink:0}.unistudy-platform-brand{display:flex!important;align-items:center!important;gap:12px!important;margin:0!important;padding:0!important;color:#17383f!important;text-decoration:none!important;font:600 18px/1.4 system-ui,-apple-system,'Microsoft YaHei',sans-serif!important;letter-spacing:0!important;white-space:normal!important;min-width:0}.unistudy-platform-brand img{display:block;width:34px;height:34px;object-fit:contain;flex-shrink:0}.unistudy-platform-brand .platform-brand-copy{display:flex;flex-direction:column;gap:1px}.unistudy-platform-brand strong{font-size:17px;font-weight:650;line-height:1.35;color:#17383f}.unistudy-platform-brand small{font-size:10px;line-height:1.4;font-weight:400;letter-spacing:.7px;color:#667e84}.unistudy-platform-header .header-actions,.unistudy-platform-header .nav-meta,.unistudy-platform-header nav{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.unistudy-platform-header .top-label,.unistudy-platform-header .brand-mark{display:none!important}.unistudy-platform-header .back{color:#31535b!important;font-size:13px!important;text-decoration:none}.unistudy-platform-header .connection{margin-left:auto}.unistudy-platform-header :focus-visible{outline:3px solid #177f76;outline-offset:4px}.unistudy-platform-header b.unistudy-platform-brand{display:flex!important}.unistudy-platform-header .platform-header-spacer{flex:1}@media(max-width:760px){.unistudy-platform-header{padding:12px 18px!important;gap:10px!important;min-height:66px!important}.unistudy-platform-brand strong{font-size:15px}.unistudy-platform-brand small{font-size:9px}.unistudy-platform-brand img{width:30px;height:30px}.unistudy-platform-header .strategy-pill{display:none}.unistudy-platform-header .nav-meta{gap:8px}.unistudy-platform-header .connection{font-size:11px}.unistudy-platform-header.topbar{max-height:none!important;overflow:visible!important}}
.unistudy-platform-brand{position:static!important;transform:none!important}
.unistudy-platform-header .unistudy-platform-brand{flex-direction:row!important;flex-shrink:0!important;text-align:left!important;border:0!important;background:transparent!important}