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

body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    background-color: #E0FFFF;
    color: #333;
}

nav {
    background-color: rgba(255, 255, 255, 0.95);
    padding: 1.5rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 3rem;
}

nav a {
    color: #333;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 0.5rem 0;
}

.container {
    max-width: 800px;
    margin: 7rem auto 2rem;
    padding: 0 2rem;
}

.profile-section {
    background: rgba(232, 245, 233, 0.7);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.profile-image {
    width: 250px;
    height: 250px;
    border-radius: 20px;
    object-fit: cover;
    margin-bottom: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.profile-video {
    width: 100%;
    max-width: 600px;
    border-radius: 20px;
    margin: 2rem auto;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.profile-header h1 {
    font-size: 2rem;
    margin: 1rem 0;
    color: #2d3436;
}

.intro-text {
    max-width: 600px;
    margin: 0 auto;
    color: #636e72;
    font-size: 1.1rem;
}

.intro-text p {
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .profile-section {
        padding: 2rem;
    }

    .profile-image {
        width: 200px;
        height: 200px;
    }

    .profile-video {
        width: 100%;
    }
}