/* 本地补充：给 .ng-motion-ambient 里的 canvas 定位（线上这份样式可能来自 vanta-background.js） */
.ng-motion-ambient { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.ng-motion-ambient__canvas { position: absolute; inset: 0; display: block; opacity: .9; }
body > #app, body > .ng-brand-header, body > main { position: relative; z-index: 1; }