body {
    font-family: 'Arial', sans-serif;
    background-color: #ffffff;
    color: #333333;
}

.bg-gradient-radial {
    background: radial-gradient(circle, rgba(16,24,39,1) 0%, rgba(17,24,39,1) 100%);
}

.text-gradient {
    background: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    color: #4a5568;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #48bb78;
}

.btn-primary {
    color: white;
    font-weight: bold;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* 直接下载按钮特殊样式 */
.btn-primary.bg-gradient-to-r.from-purple-400 {
    position: relative;
    overflow: hidden;
}

.btn-primary.bg-gradient-to-r.from-purple-400::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(30deg);
    transition: transform 0.5s ease;
}

.btn-primary.bg-gradient-to-r.from-purple-400:hover::after {
    transform: rotate(30deg) translate(10%, 10%);
}

.feature-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 0.5rem;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(79, 172, 254, 0.2);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(79, 172, 254, 0.2);
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

.delay-400 {
    animation-delay: 0.4s;
}

.animate-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.animate-fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.tech-glow {
    text-shadow: 0 0 10px rgba(79, 172, 254, 0.5), 0 0 20px rgba(79, 172, 254, 0.3);
}

.neon-border {
    border: 2px solid transparent;
    border-image: linear-gradient(to right, #4facfe, #00f2fe);
    border-image-slice: 1;
}

/* 移动端菜单样式 */
.mobile-menu {
    transition: all 0.3s ease;
}

.mobile-menu.active {
    display: block;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .btn-primary {
        width: 100%;
        justify-content: center;
        margin-bottom: 0.5rem;
    }
    
    .flex.flex-col.sm\\:flex-row {
        gap: 0.5rem;
    }

    .feature-card {
        margin-bottom: 1rem;
    }
}

/* 确保容器在小屏幕上有适当的边距 */
.container {
    padding-left: 1rem;
    padding-right: 1rem;
}

/* 图片响应式 */
img {
    max-width: 100%;
    height: auto;
}