/* 自定义动画 */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(22, 93, 255, 0.3); }
    50% { box-shadow: 0 0 40px rgba(22, 93, 255, 0.6); }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #165DFF;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0047CC;
}

/* 自定义表单样式 */
input[type="text"],
input[type="email"],
textarea {
    transition: all 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
    transform: translateY(-2px);
}

/* 按钮悬停效果 */
button:hover {
    transform: translateY(-2px);
}

/* 卡片悬停效果增强 */
.hover-lift {
    position: relative;
    overflow: hidden;
}

.hover-lift::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.hover-lift:hover::before {
    left: 100%;
}

/* 导航栏滚动效果 */
.navbar-scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
}

/* 响应式图片优化 */
img {
    image-rendering: optimizeQuality;
    loading: lazy;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(22, 93, 255, 0.3);
    border-radius: 50%;
    border-top-color: #165DFF;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 数字计数动画 */
.counter {
    font-variant-numeric: tabular-nums;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .hover-lift:hover {
        transform: translateY(-4px);
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #ffffff;
    }
    
    .bg-white {
        background-color: #2a2a2a;
    }
    
    .bg-gray-50 {
        background-color: #202020;
    }
    
    .text-gray-800 {
        color: #ffffff;
    }
    
    .text-gray-600 {
        color: #e0e0e0;
    }
    
    .text-gray-400 {
        color: #b0b0b0;
    }
    
    .border-gray-300 {
        border-color: #404040;
    }
    
    .shadow-lg {
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    }
}

/* 打印样式 */
@media print {
    nav, footer, .no-print {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    a[href]:after {
        content: " (" attr(href) ")";
    }
}