* {
    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, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-top: 20px;
    margin-bottom: 20px;
}

header {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 2rem 0;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.header-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3); }
    to { text-shadow: 2px 2px 20px rgba(255, 255, 255, 0.5); }
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.university {
    font-size: 1.5rem;
    font-weight: 600;
    color: #ecf0f1;
}

.notice-banner {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    padding: 0;
    position: relative;
    overflow: hidden;
    animation: slideDown 0.5s ease-out;
    box-shadow: 0 2px 10px rgba(231, 76, 60, 0.3);
}

.notice-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.notice-content {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    position: relative;
    z-index: 1;
    gap: 0.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.notice-content i.fa-bell {
    font-size: 1.1rem;
    animation: ring 2s ease-in-out infinite;
}

@keyframes ring {
    0%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(-10deg); }
    20% { transform: rotate(10deg); }
}

.notice-text {
    font-weight: 500;
    font-size: 0.95rem;
    text-align: center;
    flex: 1;
    line-height: 1.4;
}

.notice-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.2rem;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    opacity: 0.8;
}

.notice-close:hover {
    background: rgba(255, 255, 255, 0.2);
    opacity: 1;
    transform: rotate(90deg);
}

.notice-banner.hidden {
    display: none;
}

nav {
    background: rgba(52, 73, 94, 0.9);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
}

nav a:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #ecf0f1;
}

main {
    padding: 2rem;
}

.section {
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.section:nth-child(2) { animation-delay: 0.2s; }
.section:nth-child(3) { animation-delay: 0.4s; }
.section:nth-child(4) { animation-delay: 0.6s; }

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

h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #2c3e50);
    border-radius: 2px;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.1), transparent);
    transition: left 0.8s;
}

.card:hover::before {
    left: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.research-item {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid #3498db;
    transition: all 0.3s ease;
}

.research-item:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.research-item h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.member-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.member-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.member-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2c3e50, #e74c3c);
}

.member-card:hover {
    transform: translateY(-10px) rotate(1deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.member-photo {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, #3498db, #2c3e50);
    padding: 3px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    background: white;
    display: block;
}

.member-avatar {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #3498db, #2c3e50);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    font-weight: bold;
    position: absolute;
    top: 0;
    left: 0;
}

.publication-item {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    border-left: 3px solid #3498db;
    transition: all 0.3s ease;
}

.publication-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.contact-info {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    margin-top: 2rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: #ecf0f1;
}

footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

.scroll-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.scroll-to-top.visible {
    opacity: 1;
}

.scroll-to-top:hover {
    background: #2980b9;
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .logo {
        font-size: 2rem;
    }
    
    .notice-content {
        flex-direction: column;
        gap: 0.5rem;
        padding: 1rem;
        text-align: center;
    }
    
    .notice-text {
        font-size: 0.85rem;
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    
    .research-grid,
    .member-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    main {
        padding: 1rem;
    }
}