/* 自定义渐变背景 */
.hero-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    position: relative;
    overflow: hidden;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* 科技感卡片 */
.tech-card {
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
    border: 1px solid rgba(102, 126, 234, 0.3);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.tech-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(102, 126, 234, 0.6);
    box-shadow: 0 25px 50px rgba(102, 126, 234, 0.2);
}

/* 产品卡片 */
.product-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s;
}

.product-card:hover::before {
    left: 100%;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
}

/* 霓虹效果 */
.neon-text {
    text-shadow: 0 0 10px rgba(102, 126, 234, 0.5), 0 0 20px rgba(102, 126, 234, 0.3);
}

.neon-border {
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

/* 脉冲动画 */
.pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
    from { box-shadow: 0 0 20px rgba(102, 126, 234, 0.3); }
    to { box-shadow: 0 0 30px rgba(102, 126, 234, 0.6); }
}

/* 背景网格 */
.grid-bg {
    background-image: 
        linear-gradient(rgba(102, 126, 234, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(102, 126, 234, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
}

/* 玻璃态效果 */
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 科技感按钮 */
.tech-btn {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border: none;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.tech-btn::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;
}

.tech-btn:hover::before {
    left: 100%;
}

.tech-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

/* 浮动粒子 */
.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(102, 126, 234, 0.6);
    border-radius: 50%;
    animation: float-particle 6s ease-in-out infinite;
}

@keyframes float-particle {
    0%, 100% { transform: translateY(0px) translateX(0px); opacity: 0; }
    50% { transform: translateY(-100px) translateX(50px); opacity: 1; }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-gradient::before {
        background-size: 40px 40px;
    }
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a2e;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #764ba2, #f093fb);
}

/* 加载动画 */
.loading-fade-in {
    opacity: 0;
    animation: fadeIn 1s ease-in-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 悬停效果增强 */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* 文字渐变效果 */
.gradient-text {
    background: linear-gradient(45deg, #667eea, #764ba2, #f093fb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 边框发光效果 */
.glow-border {
    border: 1px solid rgba(102, 126, 234, 0.3);
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.2);
    transition: all 0.3s ease;
}

.glow-border:hover {
    border-color: rgba(102, 126, 234, 0.6);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.4);
}