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

body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    background: transparent;
}

.container {
    max-width: 600px;
    margin: 1rem auto;
    padding: 0 2rem;
}

.profile-section {
    background: rgba(25, 25, 35, 0.2);
    backdrop-filter: blur(8px);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.profile-image {
    width: 180px;
    height: 180px;
    border-radius: 20px;
    object-fit: cover;
    margin-bottom: 1rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-left: auto;
    margin-right: auto;
}

.profile-video {
    width: 100%;
    max-width: 500px;
    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: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.intro-text {
    max-width: 500px;
    margin: 0 auto;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
}

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

@media screen and (max-width: 1200px) {
    .container {
        padding-left: 0;
        max-width: 95%;
        margin-top: 2rem;
    }
    
    .profile-image {
        width: 180px;
        height: 180px;
    }
}

@media screen and (max-width: 992px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .profile-section {
        padding: 2rem;
    }
    
    .profile-header h1 {
        font-size: 1.8rem;
    }
    
    .intro-text {
        font-size: 1rem;
    }
}

@media screen and (max-width: 768px) {
    .container {
        padding: 0 1rem;
        margin-top: 1rem;
    }
    
    .profile-image {
        width: 150px;
        height: 150px;
    }
    
    .profile-section {
        padding: 1.5rem;
    }
}

@media screen and (max-width: 576px) {
    .profile-image {
        width: 120px;
        height: 120px;
    }
    
    .profile-header h1 {
        font-size: 1.6rem;
    }
    
    .profile-section {
        padding: 1rem;
    }
    
    .intro-text {
        font-size: 0.9rem;
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.back-to-home {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.back-to-home a {
    display: inline-block;
    padding: 10px 20px;
    background: rgba(25, 25, 35, 0.3);
    backdrop-filter: blur(8px);
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.back-to-home a:hover {
    background: rgba(45, 45, 55, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}