/* 全局基础设置 */
body { 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; 
    background-color: #f5f6f8; 
}

/* 按钮渐变色 */
.btn-gradient { 
    background: linear-gradient(90deg, #ff8a00, #e52e71); 
}

/* 弹窗弹出的微小动画效果 */
.scale-up {
    animation: scaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes scaleUp {
    0% { transform: scale(0.95); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}