/* RaoClaw 统一样式表 */

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #00d9ff;
    --dark-bg: #0f0f1a;
    --card-bg: #1a1a2e;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --success: #00ff88;
    --warning: #ffc107;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

body {
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

.navbar {
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 217, 255, 0.1);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar .logo {
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.hero {
    padding: 150px 30px 100px;
    text-align: center;
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 100%);
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero .subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 30px;
}

.section-title {
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 35px;
    border: 1px solid rgba(0, 217, 255, 0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
}

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

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer {
    background: var(--card-bg);
    padding: 60px 30px;
    text-align: center;
    border-top: 1px solid rgba(0, 217, 255, 0.1);
}

.footer p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }
    
    .nav-links {
        display: none;
    }
}