body {font-family: -apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;}
.card {border-radius: 1rem;}
.stat-card {border:0; box-shadow:0 8px 24px rgba(15,23,42,.06);}
.stat-number {font-size:2rem; font-weight:700; margin-top:6px;}
.card-header {background:#fff; font-weight:600;}

/* shumai-brand-styles */
.navbar-brand img { transition: transform 0.2s; }
.navbar-brand:hover img { transform: scale(1.05); }