body {
    background-color: #f8f9fa;
}

h2 {
    color: #007bff;
}

.navbar {
    margin-bottom: 20px;
}

.table th, .table td {
    text-align: center;
}
/* 卡片自定义样式 */
.card-custom {
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-custom:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

/* 按钮样式 */
.btn-custom {
    background: linear-gradient(135deg, #ff6f61, #ff4a3f);
    color: white;
    border-radius: 30px;
    padding: 12px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-custom:hover {
    background: linear-gradient(135deg, #ff4a3f, #ff6f61);
    box-shadow: 0 4px 12px rgba(255, 111, 97, 0.5);
}

/* 使标题更显眼 */
h2 {
    font-family: 'Roboto', sans-serif;
    font-weight: 600;
    font-size: 32px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}