/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #e2e8f0;
    background: #0f172a;
    overflow-x: hidden;
}

.container {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    position: relative;
}

/* 背景装饰 */
.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(74, 158, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 126, 216, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(233, 30, 99, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* 主要内容区域 */
.main {
    position: relative;
    z-index: 1;
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

/* Logo样式 */
.logo-container {
    margin-bottom: 2rem;
    animation: float 6s ease-in-out infinite;
}

.logo {
    display: inline-block;
    padding: 1rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease;
}

.logo img {
    display: block;
    border-radius: 12px;
}

.logo:hover {
    transform: scale(1.05);
}

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

/* 标题和文本 */
.title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #4a9eff, #8b7ed8, #e91e63);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.description {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto 1rem;
    color: #cbd5e1;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.subtitle {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 3rem;
    color: #94a3b8;
    animation: fadeInUp 1s ease-out 0.4s both;
}

/* 按钮样式 */
.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, #4a9eff, #8b7ed8);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(74, 158, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #cbd5e1;
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .title {
        font-size: 2.5rem;
    }
    
    .description {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .hero {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2rem;
    }
    
    .hero {
        padding: 1rem;
    }
    
    .logo img {
        width: 80px;
        height: 80px;
    }
}