/* 自定义样式：让 PC + 移动端体验更好 */
body {
    background: #f5f7fa;
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.card {
    border: none;
    border-radius: 10px;
}

.table thead th {
    white-space: nowrap;
    font-weight: 600;
}

.table td, .table th {
    vertical-align: middle;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .navbar-brand { font-size: 1rem; }
    .table { font-size: 0.875rem; }
    .table td, .table th { padding: 0.5rem 0.4rem; }
    .form-control-lg, .form-select-lg, .btn-lg {
        font-size: 1rem;
        padding: 0.625rem 0.75rem;
    }
    .container-fluid { padding-left: 0.75rem; padding-right: 0.75rem; }
}

/* 让 select / input 在移动端更易点击 */
input, select, textarea, button {
    -webkit-tap-highlight-color: transparent;
}

.badge {
    font-weight: 500;
}