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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    background: white;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    border-radius: 12px;
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px;
    display: flex;
    align-items: flex-start;
    gap: 30px;
}

.header img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: 4px solid rgba(255,255,255,0.3);
    object-fit: cover;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    flex-shrink: 0;
}

.header-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.header h1 {
    font-size: 2.5em;
    margin: 0;
    font-weight: 600;
    line-height: 1.2;
}

.header-main-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.header-position {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.position-title {
    font-size: 1.2em;
    font-weight: 500;
    opacity: 0.95;
}

.position-institution {
    font-size: 1.05em;
    opacity: 0.9;
}

.position-institution a {
    color: #E8E3FF;
    text-decoration: underline;
    transition: all 0.2s;
    font-weight: 500;
}

.position-institution a:hover {
    color: #FFE082;
    text-shadow: 0 0 8px rgba(255, 224, 130, 0.5);
}

.header-contact {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 0.95em;
}

.contact-item {
    display: flex;
    gap: 8px;
    opacity: 0.9;
}

.contact-label {
    font-weight: 500;
    opacity: 0.95;
}

.header-background {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.9em;
    opacity: 0.85;
    padding-top: 10px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.background-item {
    line-height: 1.5;
}

.background-item a {
    color: #E8E3FF;
    text-decoration: underline;
    transition: all 0.2s;
    font-weight: 500;
}

.background-item a:hover {
    color: #FFE082;
    text-shadow: 0 0 8px rgba(255, 224, 130, 0.5);
}

.header .update-date {
    font-size: 0.9em;
    opacity: 0.85;
    margin-bottom: 10px;
}

.content {
    padding: 40px;
    margin-right: 80px;
}

.navbar {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px 12px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 1000;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    backdrop-filter: blur(10px);
}

.navbar a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 10px 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 0.9em;
    text-align: center;
    white-space: nowrap;
    position: relative;
}

.navbar a:hover {
    background-color: rgba(255,255,255,0.25);
    transform: translateX(-5px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.navbar a:active {
    transform: translateX(-3px);
}

@media (max-width: 1024px) {
    .navbar {
        right: 10px;
        padding: 15px 8px;
    }
    
    .navbar a {
        padding: 8px 10px;
        font-size: 0.85em;
    }
    
    .content {
        margin-right: 0;
    }
}

@media (max-width: 768px) {
    .navbar {
        position: fixed;
        bottom: 20px;
        top: auto;
        transform: none;
        right: 50%;
        transform: translateX(50%);
        flex-direction: row;
        padding: 12px 15px;
        border-radius: 25px;
        max-width: calc(100% - 40px);
        overflow-x: auto;
        gap: 5px;
    }
    
    .navbar a {
        padding: 8px 12px;
        font-size: 0.8em;
        white-space: nowrap;
    }
    
    .navbar a:hover {
        transform: translateY(-3px);
    }
}

.section {
    margin-bottom: 40px;
}

.section-title {
    font-size: 1.8em;
    color: #667eea;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid #667eea;
    font-weight: 600;
}

.section-content {
    font-size: 1.05em;
    line-height: 1.8;
    color: #555;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
    margin-right: 8px;
    margin-bottom: 8px;
}

.journal {
    background-color: #D5E8D4;
    color: #2d5016;
}

.conf {
    background-color: #DAE8FC;
    color: #1a4480;
}

.arxiv {
    background-color: #E1D5E7;
    color: #5a2d6e;
}

.pub {
    margin: 10px 0;
    padding: 10px;
    background: #f8f9fa;
    border-left: 4px solid #667eea;
    border-radius: 4px;
    transition: all 0.3s ease;
    line-height: 1.5;
}

.pub:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
    border-left-color: #764ba2;
    border-left-width: 5px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
    /* transform: translateX(2px); */
}

.pub label {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
    margin-right: 8px;
    margin-bottom: 4px;
}

.pub-header {
    margin-bottom: 3px;
    line-height: 1.4;
}

.pub-header label {
    margin-right: 12px;
}

.pub-header a {
    margin-right: 15px;
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 2px 6px;
    border-radius: 4px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.pub-header a:hover {
    color: #764ba2;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.pub-authors {
    margin-bottom: 3px;
    color: #333;
    line-height: 1.4;
}

.pub-title {
    margin-bottom: 3px;
    font-weight: 600;
    color: #333;
    line-height: 1.4;
}

.pub-venue {
    margin-bottom: 0;
    color: #666;
    font-style: italic;
    line-height: 1.4;
}

.pub a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-right: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.pub a:hover {
    color: #764ba2;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.info-item {
    margin: 12px 0;
    padding-left: 20px;
    position: relative;
}

.info-item:before {
    content: "▸";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

.highlight {
    background: linear-gradient(120deg, #84fab0 0%, #8fd3f4 100%);
    padding: 2px 6px;
    border-radius: 3px;
    font-weight: 500;
}

.section-content b {
    color: #333;
}

.section-content i {
    color: #666;
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        text-align: center;
    }
    
    .header h1 {
        font-size: 2em;
    }
    
    .content {
        padding: 20px;
    }
}