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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(180deg, #00D6C9 0%, #00BFB3 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 500px;
    padding: 20px;
}

.profile-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    text-align: center;
}

.avatar {
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
    position: relative;
}

.avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #00BFB3;
}

.info {
    margin-bottom: 30px;
}

.info h2 {
    color: #333;
    font-size: 24px;
    margin-bottom: 8px;
}

.info .subtitle {
    color: #666;
    font-size: 16px;
}

.qr-code {
    margin-bottom: 30px;
}

.qr-code img {
    width: 200px;
    height: 200px;
    margin-bottom: 10px;
}

.qr-code p {
    color: #666;
    font-size: 14px;
}

.back-btn {
    margin-top: 20px;
}

.back-btn a {
    color: #00BFB3;
    text-decoration: none;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    transition: color 0.3s;
}

.back-btn a:hover {
    color: #008C83;
}

.back-btn i {
    margin-right: 8px;
}

/* 添加一些动画效果 */
.profile-card {
    animation: fadeIn 0.5s ease-out;
}

.avatar img {
    transition: transform 0.3s;
}

.avatar img:hover {
    transform: scale(1.05);
}

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