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

body {
    min-height: 100vh;
    font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: #0d0d0d;
}

.card {
    position: relative;
    z-index: 1;
    max-width: 640px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    padding: 50px 40px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.avatar {
    font-size: 72px;
    margin-bottom: 12px;
}

h1 {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: 2px;
}

.bio {
    margin: 16px 0 24px;
    color: #555;
    font-size: 17px;
    line-height: 1.8;
}

.links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin: 24px 0 30px;
}

.links a {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 40px;
    background: rgba(0, 0, 0, 0.05);
    color: #1a1a1a;
    text-decoration: none;
    font-size: 15px;
    transition: all 0.2s;
    backdrop-filter: blur(4px);
}

.links a:hover {
    background: #1a1a1a;
    color: #fff;
    transform: translateY(-2px);
}

.footer-note {
    font-size: 14px;
    color: #aaa;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    padding-top: 24px;
    margin-top: 8px;
}

.footer-note a {
    color: #1a1a1a;
    text-decoration: none;
    border-bottom: 1px dotted #ccc;
}

.footer-note a:hover {
    border-bottom-color: #1a1a1a;
}