/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'system-ui', 'sans-serif';
}

/* 自定义工具类 */
.text-shadow-soft {
    text-shadow: 0 2px 10px rgba(79, 70, 229, 0.15);
}

.bg-gradient-subtle {
    background: linear-gradient(135deg, #F5F7FF 0%, #EEF2FF 100%);
}

.transition-gentle {
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.shield-pulse {
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* 加载动画 */
.loader-spinner {
    width: 48px;
    height: 48px;
    border: 5px solid #E0E7FF;
    border-bottom-color: #4F46E5;
    border-radius: 50%;
    animation: rotation 1s linear infinite;
}

@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 功能卡片样式 */
.feature-card {
    background: white;
    border: 1px solid rgba(79, 70, 229, 0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .feature-card {
        padding: 4px;
    }
    
    h1 {
        font-size: 4rem !important;
    }
}