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

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
    color: #fff;
    overflow-x: hidden;
}

/* 背景样式 */
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

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

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.3) 100%);
}

/* 主容器 */
.main-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 40px 20px 100px;
}

/* 个人卡片 */
.profile-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 50px 40px;
    max-width: 480px;
    width: 100%;
    text-align: center;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease-out;
}

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

/* 头像 */
.avatar-container {
    width: 140px;
    height: 140px;
    margin: 0 auto 25px;
    border-radius: 50%;
    padding: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.avatar-container img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.9);
    transition: transform 0.3s ease;
}

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

/* 姓名和标题 */
.name {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.title {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
    margin-bottom: 20px;
}

/* 分隔线 */
.divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    margin: 0 auto 25px;
    border-radius: 2px;
}

/* 个人简介 */
.bio {
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 30px;
}

/* 联系方式 */
.contact-section {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 25px;
    text-align: left;
}

.contact-section h3 {
    font-size: 1rem;
    margin-bottom: 18px;
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-section h3 i {
    color: #667eea;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item i {
    width: 36px;
    height: 36px;
    background: rgba(102, 126, 234, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #667eea;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.contact-item .label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 2px;
}

.contact-item .value {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.95);
    word-break: break-all;
}

/* 社交链接 */
.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.social-link {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background: rgba(102, 126, 234, 0.3);
    transform: translateY(-3px);
    border-color: rgba(102, 126, 234, 0.5);
}

/* 页脚 */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    text-align: center;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
}

.footer p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 3px 0;
}

.footer .copyright {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
}

.icp-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s;
}

.icp-link:hover {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: underline;
}

/* 响应式 */
@media (max-width: 600px) {
    .profile-card {
        padding: 35px 25px;
    }
    
    .name {
        font-size: 1.8rem;
    }
    
    .avatar-container {
        width: 120px;
        height: 120px;
    }
    
    .contact-section {
        padding: 20px;
    }
    
    .main-container {
        padding: 20px 15px 80px;
    }
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.5);
}