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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 600px;
    width: 100%;
}

.avatar {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    margin: 0 auto 20px;
    overflow: hidden;
    border: 3px solid #eee;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

h1 {
    color: #333;
    margin-bottom: 10px;
    font-size: 2.2em;
    font-weight: 300;
}

.subtitle {
    color: #666;
    margin-bottom: 15px;
    font-size: 1.1em;
}

.description {
    color: #777;
    margin-bottom: 30px;
    font-style: italic;
}

.contact-section {
    margin-top: 30px;
}

.contact-title {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.3em;
    font-weight: 500;
}

.wechat-section {
    margin-bottom: 30px;
}

.wechat-qr {
    width: 150px;
    height: 150px;
    border-radius: 8px;
    margin: 10px auto;
    display: block;
    border: 2px solid #07c160;
}

.contact-info {
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 10px;
    color: #555;
}

.contact-info strong {
    color: #333;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    background: #333;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9em;
    transition: background 0.2s ease;
    width: 100px;
    text-align: center;
}

.contact-btn img {
    width: 16px;
    height: 16px;
    filter: brightness(0) invert(1);
}

.contact-btn:hover {
    background: #555;
}

.github-btn {
    background: #333;
}

.twitter-btn {
    background: #333;
}

.github-btn:hover {
    background: #555;
}

.twitter-btn:hover {
    background: #555;
}

.footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    color: #888;
    font-size: 0.9em;
}

@media (max-width: 480px) {
    .container {
        padding: 30px 20px;
        margin: 10px;
    }
    
    h1 {
        font-size: 1.8em;
    }
    
    .contact-grid {
        gap: 20px;
    }
}