/* 登录 / 注册专属视觉层 */
.auth-visual .scan{position:absolute;left:0;right:0;height:120px;top:-140px;z-index:1;
  background:linear-gradient(180deg,transparent,rgba(62,199,216,.055),transparent);
  animation:scanMove 9s linear infinite}
@keyframes scanMove{0%{top:-140px}100%{top:110%}}
.auth-visual .vignette{position:absolute;inset:0;z-index:3;pointer-events:none;
  background:radial-gradient(ellipse at center,transparent 45%,rgba(4,7,10,.55) 100%)}
.roll-anim .ring{transform-origin:210px 210px;animation:spinSlow 26s linear infinite}
.roll-anim .ring2{transform-origin:210px 210px;animation:spinSlow 18s linear infinite reverse}
.roll-anim .pulse{animation:glowPulse 4s ease-in-out infinite}
@keyframes spinSlow{to{transform:rotate(360deg)}}
@keyframes glowPulse{0%,100%{opacity:.25}50%{opacity:.7}}
.auth-visual .corner{position:absolute;width:64px;height:64px;border-color:rgba(240,166,60,.25);border-style:solid;z-index:2}
.auth-visual .corner.tl{left:20px;top:20px;border-width:1px 0 0 1px}
.auth-visual .corner.tr{right:20px;top:20px;border-width:1px 1px 0 0}
.auth-visual .corner.bl{left:20px;bottom:20px;border-width:0 0 1px 1px}
.auth-visual .corner.br{right:20px;bottom:20px;border-width:0 1px 1px 0}
.auth-visual .coord{position:absolute;right:44px;top:50%;font-family:var(--mono);font-size:9px;color:#3f5566;letter-spacing:1.5px;writing-mode:vertical-rl;z-index:2}
@media(max-width:1180px){
  .av-hero h1{font-size:27px}
  .av-inner{padding:30px 34px}
}