:root {
    --primary-color: #8e1b1b;
    --secondary-color: #1a1a1a;
}

.hero-section {
    padding: 7rem 0;
    background: linear-gradient(135deg, #f5f5f5 0%, #e9e9e9 100%);
    min-height: 100vh;
}

.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    &:hover {
        background-color: darken(var(--primary-color), 10%);
    }
}

.card {
    transition: transform 0.3s;
}
.card:hover {
    transform: translateY(-5px);
}

.bg-light {
    background-color: #f8f9fa!important;
}

.shadow-sm {
    box-shadow: 0 .125rem .25rem rgba(0,0,0,.075)!important;
}

.text-muted {
    color: #6c757d!important;
}

.display-5 {
    font-size: 2.5rem;
    font-weight: 300;
    line-height: 1.2;
}

/* 新增卡片交互样式 */
.accordion-button:not(.collapsed) {
    background-color: #f8f9fa;
    box-shadow: inset 0 -1px 0 rgba(0,0,0,.125);
}
.table-hover tbody tr:hover {
    background-color: rgba(0, 123, 255, 0.05);
}