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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background-color: #fff;
    padding: 40px 30px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    border-right: 1px solid #e9ecef;
}

.profile {
    text-align: center;
    margin-bottom: 30px;
}

.profile-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 20px;
    display: block;
    object-fit: cover;
}

.profile h1 {
    font-size: 1.6em;
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
}

.profile .title {
    color: #666;
    font-size: 1em;
    margin-bottom: 15px;
}

.contact-links {
    list-style: none;
    margin-top: 25px;
}

.contact-links li {
    margin-bottom: 12px;
}

.contact-links a {
    color: #333;
    text-decoration: none;
    font-size: 0.95em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-links a:hover {
    text-decoration: underline;
}

.icon {
    width: 16px;
    height: 16px;
    fill: #333;
}

.main-content {
    margin-left: 280px;
    padding: 40px 50px;
    max-width: 800px;
}

.intro {
    font-size: 1.1em;
    margin-bottom: 40px;
    color: #555;
}

.intro a {
    color: #0066cc;
    text-decoration: none;
}

.intro a:hover {
    text-decoration: underline;
}

.section {
    margin-bottom: 50px;
}

.section h2 {
    font-size: 1.3em;
    font-weight: 600;
    margin-bottom: 20px;
    color: #333;
}

.experience-item, .project-item {
    margin-bottom: 25px;
}

.item-title {
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.item-meta {
    color: #666;
    font-size: 0.95em;
    margin-bottom: 8px;
}

.item-description {
    color: #555;
    margin-bottom: 10px;
}

.item-links a {
    color: #0066cc;
    text-decoration: none;
    margin-right: 15px;
    font-size: 0.95em;
}

.item-links a:hover {
    text-decoration: underline;
}

.news-item {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

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

.news-date {
    color: #666;
    font-size: 0.9em;
    margin-bottom: 5px;
}

.news-content {
    color: #555;
}

.skills-list {
    color: #555;
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        max-width: 100%;
        margin: 0;
    }
    
    .sidebar {
        position: static;
        width: 100%;
        height: auto;
        padding: 20px;
        border-right: none;
        border-bottom: 1px solid #e9ecef;
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .profile {
        display: flex;
        align-items: center;
        text-align: left;
        gap: 20px;
    }
    
    .profile-img {
        width: 80px;
        height: 80px;
        margin: 0;
    }
    
    .profile h1 {
        margin-bottom: 5px;
    }
    
    .contact-links {
        margin-top: 15px;
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .contact-links li {
        margin-bottom: 0;
    }
}

@media (min-width: 1200px) {
    .container {
        margin: 0 auto;
    }
}