/* 智汇栈：保持各模块功能和主题切换，统一边框及可读性 */
:focus-visible{outline:3px solid #198dc3;outline-offset:3px}.signup-public .panel,.signup-admin .panel,.account-card{border-radius:20px;box-shadow:0 16px 42px rgba(29,92,128,.08)}.signup-public .topbar,.signup-admin .topbar{backdrop-filter:blur(16px)}.signup-public button,.signup-admin button{min-height:42px}.signup-public input,.signup-admin input,.signup-admin select{max-width:100%}.app-tile-icon img{width:25px;height:25px;object-fit:contain;filter:invert(42%) sepia(57%) saturate(1111%) hue-rotate(155deg)}@media(max-width:600px){.signup-public .panel,.signup-admin .panel,.account-card{border-radius:16px}}