.helian-auth{--auth-ink:#0d1117;--auth-blue:#2563eb;--auth-blue-700:#1e49c9;--auth-line:#e6ebf2;--auth-muted:#8994a5;--grid:74px;--grid-line:rgba(15,23,42,0.07);--deco-line:#d3dae3;flex-direction:column;background-color:#ffffff;background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:var(--grid) var(--grid);color:var(--auth-ink)}.helian-auth,.helian-auth .hero-stage{position:relative;min-height:100vh;display:flex}.helian-auth .hero-stage{flex:1;flex-direction:column}.helian-auth .hero-decor{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}.helian-auth .deco-icon{position:absolute;width:var(--grid);height:var(--grid);display:grid;place-items:center;color:var(--deco-line);opacity:0;transform:scale(.92);transition:opacity .8s ease-in-out,transform .8s ease-in-out}.helian-auth .deco-icon.on{opacity:1;transform:none}.helian-auth .deco-icon svg{display:block;width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round}@media (prefers-reduced-motion:reduce){.helian-auth .deco-icon{opacity:.85;transform:none;transition:none}}.helian-auth .auth-header{position:fixed;top:0;left:0;right:0;z-index:80;background:rgba(255,255,255,.55);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-bottom:1px solid rgba(230,235,242,.9)}.helian-auth .auth-nav-inner{max-width:1160px;margin:0 auto;padding:0 28px;height:68px;display:flex;align-items:center;justify-content:space-between}.helian-auth .auth-logo .wm{height:26px;width:auto;display:block}.helian-auth .auth-cta{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:.94rem;text-decoration:none;color:#fff;background:var(--auth-blue);padding:.62rem 1.15rem;border-radius:10px;box-shadow:0 1px 2px rgba(13,17,23,.1);transition:background .16s}.helian-auth .auth-cta:hover{background:var(--auth-blue-700)}.helian-auth .auth-main{position:relative;z-index:1;flex:1;display:flex;align-items:center;justify-content:center;padding:108px 20px 48px}.helian-auth .auth-foot{position:relative;z-index:1;text-align:center;padding:24px;font-size:.86rem;color:var(--auth-muted)}@media (max-width:560px){.helian-auth .auth-cta{padding:.55rem .9rem}}