* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1a3e 100%);
    color: #fff;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar {
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo h1 {
    font-size: 24px;
    color: #00a8ff;
}

.logo span {
    background: #00a8ff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #00a8ff;
}

.hero {
    padding: 150px 0 100px;
    text-align: center;
    background: linear-gradient(135deg, #0a0e27 0%, #16213e 100%);
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-content p {
    font-size: 20px;
    color: #aaa;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    margin: 0 10px;
    transition: all 0.3s;
}

.btn-primary {
    background: #00a8ff;
    color: #fff;
}

.btn-primary:hover {
    background: #0097e6;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    border: 2px solid #00a8ff;
    color: #00a8ff;
}

.btn-secondary:hover {
    background: #00a8ff;
    color: #fff;
}

.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

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

.feature-card .icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
}

.feature-card p {
    color: #aaa;
}

footer {
    background: rgba(0,0,0,0.5);
    padding: 30px 0;
    text-align: center;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 32px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-img {
    height: 40px;
    width: auto;
}